diff --git a/vm/squeak.js b/vm/squeak.js
index 008113a..e526708 100644
--- a/vm/squeak.js
+++ b/vm/squeak.js
@@ -1 +1 @@
-!function(){"use strict";if(self.Squeak||(self.Squeak={}),!Squeak.Settings){var settings;try{if(settings=self.localStorage,settings["squeak-foo:"]="bar","bar"!==settings["squeak-foo:"])throw Error();delete settings["squeak-foo:"]}catch(e){settings={}}Squeak.Settings=settings}function CroquetPlugin(){return{getModuleName:function(){return"CroquetPlugin"},interpreterProxy:null,setInterpreter:function(e){return this.interpreterProxy=e,!0},primitiveGatherEntropy:function(e){var t=this.interpreterProxy.stackObjectValue(0);return this.interpreterProxy.failed()?null:t.isBytes()?(window.crypto.getRandomValues(t.bytes),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0):this.interpreterProxy.primitiveFail()}}}function registerCroquetPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("CroquetPlugin",CroquetPlugin()):self.setTimeout(registerCroquetPlugin,100)}function SocketPlugin(){return{getModuleName:function(){return"SocketPlugin (http-only)"},interpreterProxy:null,primHandler:null,handleCounter:0,needProxy:new Set,status:0,lookupCache:{localhost:{address:[127,0,0,1],validUntil:Number.MAX_SAFE_INTEGER}},lastLookup:null,lookupSemaIdx:0,TCP_Socket_Type:0,Resolver_Uninitialized:0,Resolver_Ready:1,Resolver_Busy:2,Resolver_Error:3,Socket_InvalidSocket:-1,Socket_Unconnected:0,Socket_WaitingForConnection:1,Socket_Connected:2,Socket_OtherEndClosed:3,Socket_ThisEndClosed:4,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},_signalSemaphore:function(e){e<=0||this.primHandler.signalSemaphoreWithIndex(e)},_signalLookupSemaphore:function(){this._signalSemaphore(this.lookupSemaIdx)},_getAddressFromLookupCache:function(e,t){if(e){if(e.match(/^\d+\.\d+\.\d+\.\d+$/)){var i=e.split(".").map(function(e){return+e});if(i.every(function(e){return e<=255}))return new Uint8Array(i)}i=this.lookupCache[e];if(i&&(t||i.validUntil>=Date.now()))return new Uint8Array(i.address)}return null},_addAddressFromResponseToLookupCache:function(e){var t,i,r,s,n;e&&0===e.Status&&e.Question&&e.Answer&&(i=e.Question[0],(t=function(e,t){e[t]&&e[t].replace&&(e[t]=e[t].replace(/\.$/,""))})(i,"name"),e.Answer.forEach(function(e){t(e,"name"),t(e,"data")}),r=i.name,s=null,n=86400,e.Answer.some(function(e){if(e.name===r){if(e.TTL&&(n=Math.min(n,e.TTL)),1===e.type)return s=e.data.split(".").map(function(e){return+e}),!0;5===e.type&&(r=e.data)}return!1}))&&(this.lookupCache[i.name]={address:s,validUntil:Date.now()+1e3*n})},_compareAddresses:function(e,i){return e.every(function(e,t){return i[t]===e})},_reverseLookupNameForAddress:function(t){var i=this,r=null;return Object.keys(this.lookupCache).some(function(e){return!!i._compareAddresses(t,i.lookupCache[e].address)&&(r=e,!0)}),r||t.join(".")},_newSocketHandle:function(e,t,i,r){var l=this;return{hostAddress:null,host:null,port:null,connSemaIndex:t,readSemaIndex:i,writeSemaIndex:r,webSocket:null,sendBuffer:null,sendTimeout:null,response:null,responseReadUntil:0,responseReceived:!1,status:l.Socket_Unconnected,_signalConnSemaphore:function(){l._signalSemaphore(this.connSemaIndex)},_signalReadSemaphore:function(){l._signalSemaphore(this.readSemaIndex)},_signalWriteSemaphore:function(){l._signalSemaphore(this.writeSemaIndex)},_otherEndClosed:function(){this.status=l.Socket_OtherEndClosed,this.webSocket=null,this._signalConnSemaphore()},_hostAndPort:function(){return this.host+":"+this.port},_requestNeedsProxy:function(){return l.needProxy.has(this._hostAndPort())},_getURL:function(e,t){var i="";return(t||this._requestNeedsProxy())&&(i="object"==typeof SqueakJS&&SqueakJS.options.proxy||"https://corsproxy.io/?"),443!==this.port?i+="http://"+this._hostAndPort()+e:i+="https://"+this.host+e,i},_performRequest:function(){if(this.webSocket)this._performWebSocketSend();else{var e=new TextDecoder("utf-8").decode(this.sendBuffer),t=this.sendBuffer.findIndex(function(e,t,i){return"\r"===i[t]&&"\r"===i[t+2]&&"\n"===i[t+1]&&"\n"===i[t+3]}),i=(this.sendBuffer=0<=t?this.sendBuffer.subarray(t+4):null,e.split("\r\n\r\n")[0].split("\n")),t=i[0].split(" "),e=t[0];if("GET"!==e&&"PUT"!==e&&"POST"!==e)return this._otherEndClosed(),-1;for(var t=t[1],r=!1,s=!1,n=null,a=1;a<i.length;a++){var o,u,l,c=i[a];c.match(/Content-Length:/i)?(o=parseInt(c.substr(16)),u=this.sendBuffer.byteLength,n=this.sendBuffer.subarray(u-o,u)):c.match(/Host:/i)&&(u=(o=c.substr(6).trim()).split(":")[0],l=parseInt(o.split(":")[1])||this.port,this.host!==u&&(console.warn("Host for "+this.hostAddress+" was "+this.host+" but from HTTP request now "+u),this.host=u),this.port!==l)&&(console.warn("Port for "+this.hostAddress+" was "+this.port+" but from HTTP request now "+l),this.port=l),c.match(/Connection: Upgrade/i)?r=!0:c.match(/Upgrade: WebSocket/i)&&(s=!0)}"GET"===e&&r&&s?this._performWebSocketRequest(t,e,n,i):self.fetch?this._performFetchAPIRequest(t,e,n,i):this._performXMLHTTPRequest(t,e,n,i)}},_performFetchAPIRequest:function(i,r,s,n){for(var a=this,e={},t=1;t<n.length;t++){var o=n[t].split(":");2===o.length&&(e[o[0]]=o[1].trim())}"object"==typeof SqueakJS&&SqueakJS.options.ajax&&(e["X-Requested-With"]="XMLHttpRequest");var u={method:r,headers:e,body:s,mode:"cors"};fetch(this._getURL(i),u).then(a._handleFetchAPIResponse.bind(a)).catch(function(e){var t=a._getURL(i,!0);console.warn("Retrying with CORS proxy: "+t),fetch(t,u).then(function(e){console.log("Success: "+t),a._handleFetchAPIResponse(e),l.needProxy.add(a._hostAndPort())}).catch(function(e){console.warn("Fetch API failed, retrying with XMLHttpRequest"),a._performXMLHTTPRequest(i,r,s,n)})})},_handleFetchAPIResponse:function(e){var r;null===this.response&&(r=["HTTP/1.0 ",e.status," ",e.statusText,"\r\n"],e.headers.forEach(function(e,t,i){r=r.concat([t,": ",e,"\r\n"])}),r.push("\r\n"),this.response=[new TextEncoder("utf-8").encode(r.join(""))]),this._readIncremental(e.body.getReader())},_readIncremental:function(t){var i=this;return t.read().then(function(e){if(!e.done)return i.response.push(e.value),i._signalReadSemaphore(),i._readIncremental(t);i.responseReceived=!0})},_performXMLHTTPRequest:function(r,s,n,e){for(var t,a=this,i=1;i<e.length;i++){var o=e[i];if(o.match(/Content-Type:/i)){t=encodeURIComponent(o.substr(14));break}}var u=new XMLHttpRequest;u.open(s,this._getURL(r)),void 0!==t&&u.setRequestHeader("Content-type",t),"object"==typeof SqueakJS&&SqueakJS.options.ajax&&u.setRequestHeader("X-Requested-With","XMLHttpRequest"),u.responseType="arraybuffer",u.onload=function(e){a._handleXMLHTTPResponse(this)},u.onerror=function(e){var t=a._getURL(r,!0),i=(console.warn("Retrying with CORS proxy: "+t),new XMLHttpRequest);i.open(s,t),i.responseType=u.responseType,"object"==typeof SqueakJS&&SqueakJS.options.ajaxx&&i.setRequestHeader("X-Requested-With","XMLHttpRequest"),i.onload=function(e){console.log("Success: "+t),a._handleXMLHTTPResponse(this),l.needProxy.add(a._hostAndPort())},i.onerror=function(){a._otherEndClosed(),console.error("Failed to download:\n"+t)},i.send(n)},u.send(n)},_handleXMLHTTPResponse:function(e){this.responseReceived=!0;var t,i=e.response;i?(e=new TextEncoder("utf-8").encode("HTTP/1.0 "+e.status+" "+e.statusText+"\r\n"+e.getAllResponseHeaders()+"\r\n"),(t=new Uint8Array(e.byteLength+i.byteLength)).set(e,0),t.set(new Uint8Array(i),e.byteLength),this.response=[t],this._signalReadSemaphore()):this._otherEndClosed()},_performWebSocketRequest:function(e,t,i,r){for(var s,n,e=this._getURL(e),a=1;a<r.length;a++){var o=r[a].split(":");if("Sec-WebSocket-Protocol"===o[0]){if(s=o[1].trim(),n)break}else if("Sec-WebSocket-Key"===o[0]&&(n=o[1].trim(),s))break}this.webSocket=new WebSocket(e.replace(/^http/,"ws"),s);var u=this;this.webSocket.onopen=function(){u.status!==l.Socket_Connected&&(u.status=l.Socket_Connected,u._signalConnSemaphore(),u._signalWriteSemaphore());var e=new Uint8Array(sha1.array(n+"258EAFA5-E914-47DA-95CA-C5AB0DC85B11")),e=Squeak.bytesAsString(e);u._performWebSocketReceive("HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "+btoa(e)+"\r\n\r\n",!0)},this.webSocket.onmessage=function(e){u._performWebSocketReceive(e.data)},this.webSocket.onerror=function(e){u._otherEndClosed(),console.error("Error in WebSocket:",e)},this.webSocket.onclose=function(){u._otherEndClosed()}},_performWebSocketReceive:function(e,t){var i,r=!e.substr;r||(e=new TextEncoder("utf-8").encode(e)),t||(t=2+e.length+4,i=e.byteLength<126?e.length:e.byteLength<65535?(t+=2,126):(t+=8,127),(t=new Uint8Array(t))[0]=r?130:129,t[1]=128|i,r=126===i?(t[2]=e.length>>>8,t[3]=255&e.length,4):127===i?(t[2]=e.length>>>56,t[3]=e.length>>>48&255,t[4]=e.length>>>40&255,t[5]=e.length>>>32&255,t[6]=e.length>>>24&255,t[7]=e.length>>>16&255,t[8]=e.length>>>8&255,t[9]=255&e.length,10):2,i=new Uint8Array(4),t.set(i,r),i=e,t.set(i,r+=4),e=t),this.response&&this.response.length?this.response.push(e):this.response=[e],this.responseReceived=!0,this._signalReadSemaphore()},_performWebSocketSend:function(){var e,t=this.sendBuffer[0],t=15&t;if(0==t)return console.error("No support for WebSocket frame continuation yet!"),!0;if(1==t)e=!1;else{if(2!=t)return 8==t?(this.webSocket.close(),void(this.webSocket=null)):9==t||10==t?void 0:void console.error("Unsupported WebSocket frame opcode "+t);e=!0}var i,t=this.sendBuffer[1],r=t>>>7,t=127&t,s=126===t?(t=this.sendBuffer[2]<<8|this.sendBuffer[3],4):127===t?(t=this.sendBuffer[2]<<56|this.sendBuffer[3]<<48|this.sendBuffer[4]<<40|this.sendBuffer[5]<<32|this.sendBuffer[6]<<24|this.sendBuffer[7]<<16|this.sendBuffer[8]<<8|this.sendBuffer[9],10):2,n=(r&&(i=this.sendBuffer.subarray(s,s+4),s+=4),this.sendBuffer.subarray(s,s+t));s+=t,r&&(n=n.map(function(e,t){return e^i[3&t]})),t=e?n:Squeak.bytesAsString(n),this.sendBuffer=this.sendBuffer.subarray(s),this.webSocket.send(t),0<this.sendBuffer.byteLength&&this._performWebSocketSend()},connect:function(e,t){this.hostAddress=e,this.host=l._reverseLookupNameForAddress(e),this.port=t,this.status=l.Socket_Connected,this._signalConnSemaphore(),this._signalWriteSemaphore()},close:function(){this.status!=l.Socket_Connected&&this.status!=l.Socket_OtherEndClosed&&this.status!=l.Socket_WaitingForConnection||(this.webSocket&&(this.webSocket.close(),this.webSocket=null),this.status=l.Socket_Unconnected,this._signalConnSemaphore())},destroy:function(){this.status=l.Socket_InvalidSocket},dataAvailable:function(){if(this.status!=l.Socket_InvalidSocket&&this.status==l.Socket_Connected){if(this.webSocket)return this.response&&0<this.response.length;if(this.response&&0<this.response.length)return this._signalReadSemaphore(),!0;this.responseSentCompletly&&(this.status=l.Socket_OtherEndClosed,this._signalConnSemaphore())}return!1},recv:function(e){var t,i;return null===this.response?[]:((t=this.response[0]).length>e?((i=t.subarray(e))?this.response[0]=i:this.response.shift(),t=t.subarray(0,e)):this.response.shift(),this.responseReceived&&0===this.response.length&&!this.webSocket&&(this.responseSentCompletly=!0),t)},send:function(e,t,i){null!==this.sendTimeout&&self.clearTimeout(this.sendTimeout),this.lastSend=Date.now();e=e.bytes.subarray(t,i);return null===this.sendBuffer?this.sendBuffer=e.slice():(t=this.sendBuffer.byteLength+e.byteLength,(i=new Uint8Array(t)).set(this.sendBuffer,0),i.set(e,this.sendBuffer.byteLength),this.sendBuffer=i),this.sendTimeout=self.setTimeout(this._performRequest.bind(this),50),e.byteLength}}},primitiveHasSocketAccess:function(e){return this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0},primitiveInitializeNetwork:function(e){return 1===e&&(this.lookupSemaIdx=this.interpreterProxy.stackIntegerValue(0),this.status=this.Resolver_Ready,this.interpreterProxy.pop(e),!0)},primitiveResolverNameLookupResult:function(e){var t;return 0===e&&(this.lastLookup&&this.lastLookup.substr?(t=this._getAddressFromLookupCache(this.lastLookup,!0),this.interpreterProxy.popthenPush(e+1,t?this.primHandler.makeStByteArray(t):this.interpreterProxy.nilObject())):this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverStartNameLookup:function(e){var t,i,r,s,n;return 1===e&&(t=this.lastLookup=this.interpreterProxy.stackValue(0).bytesAsString(),this._getAddressFromLookupCache(t,!1)?(this.status=this.Resolver_Ready,this._signalLookupSemaphore()):(i="https://9.9.9.9:5053/dns-query?name="+encodeURIComponent(this.lastLookup)+"&type=A",self.fetch?(r=this,self.fetch(i,{method:"GET",mode:"cors",credentials:"omit",cache:"no-store",referrer:"no-referrer",referrerPolicy:"no-referrer"}).then(function(e){return e.json()}).then(function(e){r._addAddressFromResponseToLookupCache(e)}).catch(function(e){console.error("Name lookup failed",e)}).then(function(){t===r.lastLookup&&(r.status=r.Resolver_Ready,r._signalLookupSemaphore())})):(r=this,s=function(){t===r.lastLookup&&(r.status=r.Resolver_Ready,r._signalLookupSemaphore())},(n=new XMLHttpRequest).open("GET",i,!0),n.timeout=2e3,n.responseType="json",n.onload=function(e){r._addAddressFromResponseToLookupCache(this.response),s()},n.onerror=function(){console.error("Name lookup failed",n.statusText),s()},n.send()),!0&&(this.status=this.Resolver_Busy,this._signalLookupSemaphore())),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverAddressLookupResult:function(e){var t;return 0===e&&(this.lastLookup&&this.lastLookup.every?(t=this._reverseLookupNameForAddress(this.lastLookup),t=this.primHandler.makeStString(t),this.interpreterProxy.popthenPush(e+1,t)):this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverStartAddressLookup:function(e){return 1===e&&(this.lastLookup=this.interpreterProxy.stackBytes(0),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),this.status=this.Resolver_Ready,this._signalLookupSemaphore(),!0)},primitiveResolverStatus:function(e){return 0===e&&(this.interpreterProxy.popthenPush(e+1,this.status),!0)},primitiveResolverAbortLookup:function(e){return 0===e&&(this.lastLookup=null,this.status=this.Resolver_Ready,this._signalLookupSemaphore(),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketRemoteAddress:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(this.interpreterProxy.popthenPush(e+1,t.hostAddress?this.primHandler.makeStByteArray(t.hostAddress):this.interpreterProxy.nilObject()),!0)},primitiveSocketRemotePort:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(this.interpreterProxy.popthenPush(e+1,t.port),!0)},primitiveSocketConnectionStatus:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(void 0===(t=t.status)&&(t=this.Socket_InvalidSocket),this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveSocketConnectToPort:function(e){var t,i,r;return 3===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(2).handle)&&(i=this.interpreterProxy.stackBytes(1),r=this.interpreterProxy.stackIntegerValue(0),t.connect(i,r),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketCloseConnection:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(t.close(),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketCreate3Semaphores:function(e){var t,i,r,s,n;return 7===e&&(t=this.interpreterProxy.stackIntegerValue(0),i=this.interpreterProxy.stackIntegerValue(1),r=this.interpreterProxy.stackIntegerValue(2),s=this.interpreterProxy.stackIntegerValue(3),this.interpreterProxy.stackIntegerValue(5)===this.TCP_Socket_Type)&&(n="{SqueakJS Socket #"+ ++this.handleCounter+"}",(n=this.primHandler.makeStString(n)).handle=this._newSocketHandle(s,r,i,t),this.interpreterProxy.popthenPush(e+1,n),!0)},primitiveSocketDestroy:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(t.destroy(),this.interpreterProxy.popthenPush(e+1,t.status),!0)},primitiveSocketReceiveDataAvailable:function(e){var t,i;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(i=this.interpreterProxy.falseObject(),t.dataAvailable()&&(i=this.interpreterProxy.trueObject()),this.interpreterProxy.popthenPush(e+1,i),!0)},primitiveSocketReceiveDataBufCount:function(e){var t,i,r,s;return 4===e&&void 0!==(s=this.interpreterProxy.stackObjectValue(3).handle)&&(t=this.interpreterProxy.stackObjectValue(2),!((i=this.interpreterProxy.stackIntegerValue(1)-1)+(r=this.interpreterProxy.stackIntegerValue(0))>t.bytes.length||(s=s.recv(r),t.bytes.set(s,i),this.interpreterProxy.popthenPush(e+1,s.length),0)))},primitiveSocketSendDataBufCount:function(e){var t,i,r,s;return 4===e&&void 0!==(s=this.interpreterProxy.stackObjectValue(3).handle)&&(t=this.interpreterProxy.stackObjectValue(2),!((i=this.interpreterProxy.stackIntegerValue(1)-1)<0||(r=i+this.interpreterProxy.stackIntegerValue(0))>t.length||(s=s.send(t,i,r),this.interpreterProxy.popthenPush(e+1,s),0)))},primitiveSocketSendDone:function(e){return 1===e&&(this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0)},primitiveSocketListenWithOrWithoutBacklog:function(e){return!(e<2||(this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),0))}}}function registerSocketPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("SocketPlugin",SocketPlugin()):self.setTimeout(registerSocketPlugin,100)}function SpeechPlugin(){return{getModuleName:function(){return"SpeechPlugin"},interpreterProxy:null,primHandler:null,voiceInput:null,semaphoreIndex:null,shouldListen:!1,recognition:null,synth:self.speechSynthesis,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},primitiveSpeak:function(e){if(1===e)t=this.interpreterProxy.stackValue(0).bytesAsString();else{if(2!==e)return!1;var t=this.interpreterProxy.stackValue(1).bytesAsString(),i=this.interpreterProxy.stackValue(0).bytesAsString(),r=this.synth.getVoices().filter(function(e){return e.name===i})}t=new SpeechSynthesisUtterance(t);return r&&0<r.length&&(t.voice=r[0]),this.synth.speak(t),this.interpreterProxy.pop(e),!0},primitiveRegisterSemaphore:function(e){return 1===e&&(this.semaphoreIndex=this.interpreterProxy.stackIntegerValue(0),this.interpreterProxy.pop(e),!0)},primitiveUnregisterSemaphore:function(e){return 0===e&&!(this.semaphoreIndex=null)},primitiveGetLastRecognitionResult:function(e){return 0===e&&null!==this.semaphoreIndex&&null!==this.voiceInput&&(e=this.primHandler.makeStArray(this.voiceInput),this.voiceInput=[],this.interpreterProxy.popthenPush(1,e),!0)},primitiveStartListening:function(e){return 0===e&&(this.recognition=new webkitSpeechRecognition,this.recognition.lang="en-US",this.recognition.interimResults=!0,this.recognition.onresult=this._onRecognitionResult.bind(this),this.recognition.onerror=function(e){console.log(e)},this.recognition.onend=function(e){this.shouldListen&&this.recognition.start()}.bind(this),this.shouldListen=!0,this.recognition.start(),!0)},_onRecognitionResult:function(e){this.voiceInput=[];for(var t=e.resultIndex;t<e.results.length;t++){for(var i=e.results[t],r=[i.isFinal,[]],s=0;s<i.length;s++){var n=i[s].transcript;Date.now();r[1].push([n,i[s].confidence])}0<r[1].length&&this.voiceInput.push(r)}null!==this.semaphoreIndex&&0<this.voiceInput.length&&this.primHandler.signalSemaphoreWithIndex(this.semaphoreIndex)},primitiveStopListening:function(e){return 0===e&&(this.voiceInput=[],this.recognition.stop(),!(this.shouldListen=!1))}}}function registerSpeechPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?"webkitSpeechRecognition"in self?Squeak.registerExternalModule("SpeechPlugin",SpeechPlugin()):console.warn("SpeechPlugin: Web Speech API is not supported by this browser."):self.setTimeout(registerSpeechPlugin,100)}function SqueakSSL(){return{getModuleName:function(){return"SqueakSSL (fake)"},interpreterProxy:null,primHandler:null,handleCounter:0,SQSSL_OK:0,SQSSL_NEED_MORE_DATA:-1,SQSSL_INVALID_STATE:-2,SQSSL_BUFFER_TOO_SMALL:-3,SQSSL_INPUT_TOO_LARGE:-4,SQSSL_GENERIC_ERROR:-5,SQSSL_OUT_OF_MEMORY:-6,SQSSL_PROP_VERSION:0,SQSSL_PROP_LOGLEVEL:1,SQSSL_PROP_SSLSTATE:2,SQSSL_PROP_CERTSTATE:3,SQSSL_PROP_PEERNAME:0,SQSSL_PROP_CERTNAME:1,SQSSL_PROP_SERVERNAME:2,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},primitiveCreate:function(e){var t="{SqueakJS SSL #"+ ++this.handleCounter+"}",t=this.primHandler.makeStString(t);return t.handle=!0,this.interpreterProxy.popthenPush(e+1,t),!0},primitiveConnect:function(e){return 5===e&&(this.interpreterProxy.popthenPush(e+1,0),!0)},primitiveDestroy:function(e){return 1===e&&(this.interpreterProxy.popthenPush(e+1,1),!0)},primitiveGetIntProperty:function(e){var t;return 2===e&&void 0!==this.interpreterProxy.stackObjectValue(1).handle&&(t=this.interpreterProxy.stackIntegerValue(0)===this.SQSSL_PROP_CERTSTATE?this.SQSSL_OK:0,this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveSetStringProperty:function(e){return 3===e&&void 0!==this.interpreterProxy.stackObjectValue(2).handle&&(this.interpreterProxy.pop(e),!0)},primitiveGetStringProperty:function(e){var t;return 2===e&&void 0!==this.interpreterProxy.stackObjectValue(1).handle&&(t=this.interpreterProxy.stackIntegerValue(0)===this.SQSSL_PROP_PEERNAME?this.primHandler.makeStString("*"):this.interpreterProxy.nilObject(),this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveEncrypt:function(e){var t,i;return 5===e&&void 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e&&8<=e._format&&e._format<12?(t=t[e.oop],t=e.decodeBytes(t.length,t,0,3&e._format),Squeak.bytesAsString(t)):"Class"},renameFromImage:function(e,t,i){var i=this.sqClass<32?e[i[this.sqClass-1]]:e[this.sqClass];return(i=i&&(i.instProto||i.classInstProto(i.classNameFromImage(e,t))))?((e=new i).oop=this.oop,e.sqClass=this.sqClass,e._format=this._format,e.hash=this.hash,e):this},installFromImage:function(e,t,i,r,s,n){var a,o=this.sqClass,i=(this.sqClass=0<o&&o<32?e[i[o-1]]:e[o],t[this.oop]),o=i.length;this._format<5?0<o&&(this.pointers=this.decodePointers(o,a=i,e)):12<=this._format?(t=this.decodeWords(1,i,s)[0]>>10&255,a=this.decodeWords(1+t,i,s),this.pointers=this.decodePointers(1+t,a,e),this.bytes=this.decodeBytes(o-(1+t),i,1+t,3&this._format)):8<=this._format?0<o&&(this.bytes=this.decodeBytes(o,i,0,3&this._format)):this.sqClass==r?(this.isFloat=!0,this.float=this.decodeFloat(i,s,n)):0<o&&(this.words=this.decodeWords(o,i,s)),this.mark=!1},decodePointers:function(e,t,i){for(var r=new Array(e),s=0;s<e;s++){var n=t[s];r[s]=1==(1&n)?n>>1:i[n]||42424242}return r},decodeWords:function(e,t,i){for(var r=new DataView(t.buffer,t.byteOffset),s=new Uint32Array(e),n=0;n<e;n++)s[n]=r.getUint32(4*n,i);return s},decodeBytes:function(e,t,i,r){e=4*e-r,r=new Uint8Array(t.buffer,t.byteOffset+4*i,e),t=new Uint8Array(e);return t.set(r),t},decodeFloat:function(e,t,i){e=new DataView(e.buffer,e.byteOffset);return t?(i?e:(t=new ArrayBuffer(8),(i=new DataView(t)).setUint32(0,e.getUint32(4)),i.setUint32(4,e.getUint32(0)),i)).getFloat64(0,!0):e.getFloat64(0,!1)},fillArray:function(e,t){for(var i=[],r=0;r<e;r++)i[r]=t;return i}},"testing",{isWords:function(){return 6===this._format},isBytes:function(){var e=this._format;return 8<=e&&e<=11},isWordsOrBytes:function(){var e=this._format;return 6==e||8<=e&&e<=11},isPointers:function(){return this._format<=4},isWeak:function(){return 4===this._format},isMethod:function(){return 12<=this._format},sameFormats:function(e,t){return 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4<e||2===e?0:e<2?this.pointersSize():this.sqClass.classInstSize()},indexableSize:function(e){var t=this._format;return t<2?-1:3===t&&e.vm.isContext(this)&&!e.allowAccessBeyondSP?this.pointers[Squeak.Context_stackPointer]:t<6?this.pointersSize()-this.instSize():t<8?this.wordsSize():t<12?this.bytesSize():this.bytesSize()+4*this.pointersSize()},floatData:function(){var e=new ArrayBuffer(8),e=new DataView(e);return e.setFloat64(0,this.float,!1),e},wordsAsFloat32Array:function(){return this.float32Array||this.words&&(this.float32Array=new Float32Array(this.words.buffer))},wordsAsFloat64Array:function(){return this.float64Array||this.words&&(this.float64Array=new Float64Array(this.words.buffer))},wordsAsInt32Array:function(){return this.int32Array||this.words&&(this.int32Array=new Int32Array(this.words.buffer))},wordsAsInt16Array:function(){return this.int16Array||this.words&&(this.int16Array=new Int16Array(this.words.buffer))},wordsAsUint16Array:function(){return this.uint16Array||this.words&&(this.uint16Array=new Uint16Array(this.words.buffer))},wordsAsUint8Array:function(){return this.uint8Array||this.words&&(this.uint8Array=new Uint8Array(this.words.buffer))},wordsOrBytes:function(){return this.words||this.uint32Array||(this.bytes?this.uint32Array=new Uint32Array(this.bytes.buffer,0,this.bytes.length>>>2):null)},setAddr:function(e){var t=this.snapshotSize();return this.oop=e+4*t.header,e+4*(t.header+t.body)},snapshotSize:function(){var e=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0;return this.bytes&&(e+=this.bytes.length+3>>>2),{header:63<++e?2:this.sqClass.isCompact?0:1,body:e}},addr:function(){return this.oop-4*this.snapshotSize().header},totalBytes:function(){var e=this.snapshotSize();return 4*(e.header+e.body)},writeTo:function(e,t,i){this.bytes&&(this._format|=3&-this.bytes.length);var r=t,s=this.snapshotSize(),n=(15&this._format)<<8|(4095&this.hash)<<17;switch(s.header){case 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e=this.pointers[Squeak.Class_format];return(e>>10&192)+(e>>1&63)-1},classInstIsBytes:function(){var e=this.classInstFormat();return 8<=e&&e<=11},classInstIsPointers:function(){return this.classInstFormat()<=4},instVarNames:function(){for(var e=3;e<=4;e++){var t=this.pointers[e].pointers;if(t&&t.length&&t[0].bytes)return t.map(function(e){return e.bytesAsString()})}return[]},allInstVarNames:function(){var e=this.superclass();return e.isNil?this.instVarNames():e.allInstVarNames().concat(this.instVarNames())},superclass:function(){return this.pointers[0]},className:function(){if(!this.pointers)return"_NOTACLASS_";for(var e=6;e<=7;e++)if((r=this.pointers[e])&&r.bytes)return r.bytesAsString();for(var t=5;t<=6;t++){var i=this.pointers[t];if(i&&i.pointers)for(var r,e=6;e<=7;e++)if((r=i.pointers[e])&&r.bytes)return r.bytesAsString()+" class"}return"_SOMECLASS_"},defaultInst:function(){return Squeak.Object},classInstProto:function(e){if(this.instProto)return this.instProto;var 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this.pointers[1+e]},methodAsString:function(){return"aCompiledMethod"}},"as context",{contextHome:function(){return this.contextIsBlock()?this.pointers[Squeak.BlockContext_home]:this},contextIsBlock:function(){return"number"==typeof this.pointers[Squeak.BlockContext_argumentCount]},contextMethod:function(){return this.contextHome().pointers[Squeak.Context_method]},contextSender:function(){return this.pointers[Squeak.Context_sender]},contextSizeWithStack:function(e){return e&&e.activeContext===this?e.sp+1:(e=this.pointers[Squeak.Context_stackPointer],Squeak.Context_tempFrameStart+("number"==typeof e?e:0))}}),Squeak.Object.subclass("Squeak.ObjectSpur","initialization",{initInstanceOf:function(e,t,i,r){this.sqClass=e,this.hash=i;var i=e.pointers[Squeak.Class_format],s=65535&i,i=i>>16&31;(this._format=i)<12?i<10?0<s+t&&(this.pointers=this.fillArray(s+t,r)):0<t&&(e.isFloatClass?(this.isFloat=!0,this.float=0):this.words=new Uint32Array(t)):0<t&&(this.bytes=new Uint8Array(t))},installFromImage:function(e,t,i,r,s,n,a){var o=this.sqClass;if(o<32)throw Error("Invalid class ID: "+o);if(this.sqClass=i[o],!this.sqClass)throw Error("Class ID not in class table: "+o);var u=t[this.oop],l=u.length;switch(this._format){case 0:case 1:case 2:case 3:case 4:case 5:0<l&&(this.pointers=this.decodePointers(l,f=u,e,n,a));break;case 11:l--,this._format=10;case 10:this.sqClass===r?(this.isFloat=!0,this.float=this.decodeFloat(u,s,!0)):0<l&&(this.words=this.decodeWords(l,u,s));break;case 12:case 13:throw Error("16 bit arrays not supported yet");case 20:case 21:case 22:case 23:l--,this._format-=4;case 16:case 17:case 18:case 19:0<l&&(this.bytes=this.decodeBytes(l,u,0,3&this._format));break;case 28:case 29:case 30:case 31:l--,this._format-=4;case 24:case 25:case 26:case 27:var c=this.decodeWords(1,u,s)[0]>>(a?3:1),h=32767&c,f=a?this.decodeWords64(1+h,u,s):this.decodeWords(1+h,u,s),p=a?2*(1+h):1+h;this.pointers=this.decodePointers(1+h,f,e,n,a),this.bytes=this.decodeBytes(l-p,u,p,3&this._format),a&&(this.pointers[0]=2147483648&u[1]|c);break;default:throw Error("Unknown object format: "+this._format)}this.mark=!1},decodeWords64:function(e,t,i){for(var r=new Array(e),s=0;s<e;s++){var n=t[2*s],a=t[2*s+1];r[s]=Squeak.word64FromUint32(a,n)}return r},decodePointers:function(e,t,i,r,s){for(var n=new Array(e),a=0;a<e;a++){var o=t[a];if("number"!=typeof o)if(4==(7&o[1]))n[a]=this.decodeSmallFloat(o[0],o[1],s);else{if(1!=(7&o[1]))throw 2==(7&o[1])?Error("Large Immediate Characters not implemented yet"):Error("Large OOPs not implemented yet");n[a]=s.makeLargeFromSmall(o[0],o[1])}else if(1==(1&o))n[a]=s?(0<=o?o<=8589934591:-8589934592<=o)?o/4>>1:s.makeLargeFromSmall((o-(o>>>0))/4294967296>>>0,o>>>0):o>>1;else if(2==(3&o)){if(o<0||8589934591<o)throw Error("Large Immediate Characters not implemented yet");n[a]=r(o>>>(s?3:2))}else s&&4==(7&o)?n[a]=this.decodeSmallFloat((o-(o>>>0))/4294967296>>>0,o>>>0,s):(n[a]=i[o]||42424242,n[a])}return n},decodeSmallFloat:function(e,t,i){var r=0,s=0,n=(8&t)<<28;return 0==(e|4294967280&t)?r=n:(r=939524096+(e>>>4)|n,s=t>>>4|(15&e)<<28),i.makeFloat(new Uint32Array([s,r]))},overhead64:function(e){var t,i=0,r=0,s=0;return this._format<=5?i=-2&e.length:24<=this._format?(i=1+(e[0]>>3&32767),t=28<=this._format,1==(1&i)&&(i+=t?1:-1),s=e.length/2,r=e.length-i):s=(r=e.length)/2,{bytes:4*i,sizeHeader:255<=r&&s<255}},initInstanceOfChar:function(e,t){this.oop=t<<2|2,this.sqClass=e,this.hash=t,this._format=7,this.mark=!0},initInstanceOfFloat:function(e,t){this.sqClass=e,this.hash=0,this._format=10,this.isFloat=!0,this.float=this.decodeFloat(t,!0,!0)},initInstanceOfLargeInt:function(e,t){this.sqClass=e,this.hash=0,this._format=16,this.bytes=new Uint8Array(t)},classNameFromImage:function(e,t){e=e[t[this.oop][Squeak.Class_name]];return e&&16<=e._format&&e._format<24?(t=t[e.oop],t=e.decodeBytes(t.length,t,0,7&e._format),Squeak.bytesAsString(t)):"Class"},renameFromImage:function(e,t,i){var i=i[this.sqClass];return(i=i&&(i.instProto||i.classInstProto(i.classNameFromImage(e,t))))?((e=new i).oop=this.oop,e.sqClass=this.sqClass,e._format=this._format,e.hash=this.hash,e):this}},"accessing",{instSize:function(){return this._format<2?this.pointersSize():this.sqClass.classInstSize()},indexableSize:function(e){var t=this._format;return t<2?-1:3===t&&e.vm.isContext(this)?this.pointers[Squeak.Context_stackPointer]:t<6?this.pointersSize()-this.instSize():t<12?this.wordsSize():t<16?this.shortsSize():t<24?this.bytesSize():4*this.pointersSize()+this.bytesSize()},snapshotSize:function(){var e=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0;return this.bytes&&(e+=this.bytes.length+3>>>2),{header:255<=e?2:0,body:e=(e=e+(1&e)+2)<4?4:e}},writeTo:function(e,t,i,r){var s=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0,n=(this.bytes&&(s+=this.bytes.length+3>>>2,this._format|=3&-this.bytes.length),t),a=this._format<<24|4194303&this.sqClass.hash,o=s<<24|4194303&this.hash;if(255<=s&&(e.setUint32(t,s,i),o=255<<24|4194303&this.hash,e.setUint32(t+=4,o,i),t+=4),e.setUint32(t,a,i),e.setUint32(t+=4,o,i),t+=4,this.isFloat)e.setFloat64(t,this.float,i),t+=8;else if(this.words)for(var u=0;u<this.words.length;u++)e.setUint32(t,this.words[u],i),t+=4;else if(this.pointers){a=0;24<=this._format&&(o=this.methodSignFlag()?2147483648:0,o=this.pointers[0]<<1|1|o,e.setUint32(t,o,i),t+=4,a=1);for(u=a;u<this.pointers.length;u++)e.setUint32(t,r(this.pointers[u]),i),t+=4}if(this.bytes){for(u=0;u<this.bytes.length;u++)e.setUint8(t++,this.bytes[u]);t+=3&-this.bytes.length}if((t+=0===s?8:4*(1&s))!==n+this.totalBytes())throw Error("written size does not match");return t}},"testing",{isBytes:function(){var e=this._format;return 16<=e&&e<=23},isPointers:function(){return this._format<=6},isWords:function(){return 10===this._format},isWordsOrBytes:function(){var e=this._format;return 10===e||16<=e&&e<=23},isWeak:function(){return 4===this._format},isMethod:function(){return 24<=this._format},sameFormats:function(e,t){return e<16?e===t:(248&e)==(248&t)}},"as class",{defaultInst:function(){return Squeak.ObjectSpur},classInstFormat:function(){return this.pointers[Squeak.Class_format]>>16&31},classInstSize:function(){return 65535&this.pointers[Squeak.Class_format]},classInstIsBytes:function(){var e=this.classInstFormat();return 16<=e&&e<=23},classInstIsPointers:function(){return this.classInstFormat()<=6},classByteSizeOfInstance:function(e){var t=this.classInstFormat(),i=this.classInstSize();return 4*(i=(i=(i=(i+=t<9?e:16<=t?(e+3)/4|0:12<=t?(e+1)/2|0:10<=t?e:2*e)+(1&i))+(255<=i?4:2))<4?4:i)}},"as compiled block",{blockOuterCode:function(){return this.pointers[this.pointers.length-1]}},"as method",{methodSignFlag:function(){return this.pointers[0]<0},methodNumLits:function(){return 32767&this.pointers[0]},methodPrimitiveIndex:function(){return 0==(65536&this.pointers[0])?0:this.bytes[1]+256*this.bytes[2]},methodAsString:function(){var e=this.pointers[this.pointers.length-1].pointers[Squeak.ClassBinding_value],t=this.pointers[this.pointers.length-2];return t.pointers&&(t=t.pointers[Squeak.AdditionalMethodState_selector]),e.className()+">>"+t.bytesAsString()}}),Object.subclass("Squeak.Image","about",{about:function(){}},"initializing",{initialize:function(e){this.headRoom=1e8,this.totalMemory=0,this.name=e,this.gcCount=0,this.gcMilliseconds=0,this.pgcCount=0,this.pgcMilliseconds=0,this.gcTenured=0,this.allocationCount=0,this.oldSpaceCount=0,this.youngSpaceCount=0,this.newSpaceCount=0,this.hasNewInstances={}},readFromBuffer:function(r,t,i){console.log("squeak: reading "+this.name+" ("+r.byteLength+" bytes)"),this.startupTime=Date.now();for(var s=new DataView(r),n=!1,a=0,e=function(){var e=s.getUint32(a,n);return a+=4,e},o=e,u=4,N=function(e,t){if(t){for(var i=[];i.length<e;)i.push(o());return i}return t=new Uint32Array(r,a,e*u/4),a+=e*u,t},T=[6501,6502,6504,68e3,68002,68004],l=0,c=0;n=!n,a=c,l=o(),!(0<=T.indexOf(72174&l));)if(n||(c+=512),512<c)throw Error("bad image version");var E=0!=(1&(this.version=l)),h=(this.hasClosures=!(0<=[6501,6502,68e3].indexOf(l)),this.isSpur=0!=(16&l),68e3<=l);if(h&&!this.isSpur)throw Error("64 bit non-spur images not supported yet");h&&(o=function(){var e=s.getUint32(a,!0),t=s.getUint32(a+4,!0);return a+=8,Squeak.word64FromUint32(t,e)},u=8);var L=e(),R=o(),f=o(),D=o();this.savedHeaderWords=[];for(var W=0;W<7;W++)this.savedHeaderWords.push(e()),h&&W<3&&e();var p,z=o(),d={},m={},v=c+L,a=v;if(this.isSpur){this.oldSpaceBytes=z-16;for(var g=a+z,U=0,k=null,b=0,K={};a<g;){for(;a<g-16;){var H=a,y=e(),S=e(),F=S>>>24,O=(255===F&&(F=y,y=e(),S=e()),U+a-8-v),I=4194303&y,G=4194303&S,w=N(F,(x=y>>>24&31)<10&&0<I);a+=h?8*(F<1?1-F:0):4*(F<2?2-F:1&F),32<=I?((V=new Squeak.ObjectSpur).initFromImage(O,I,x,G),p&&(p.nextObject=V),this.oldSpaceCount++,p=V,d[f+O]=V,m[O]=w,K[O]=b,h&&(b+=(S=V.overhead64(w)).bytes,S.sizeHeader)&&(K[O]-=8,b-=8)):(b+=a-H,16==I&&(k=k||w),I&&(d[f+O]=w))}if(a!==g-16)throw Error("invalid segment");var X=e(),A=e(),Z=e();e();0!==Z&&(g+=Z,U+=A=4278190080&A?4*(16777215&X):0,b+=16+A,this.oldSpaceBytes+=A+Z)}this.oldSpaceBytes-=b,this.firstOldObject=d[f],this.lastOldObject=V,this.lastOldObject.nextObject=null}else{for(;a<v+R;){var C=0,P=0,_=o();switch(_&Squeak.HeaderTypeMask){case Squeak.HeaderTypeSizeAndClass:C=_>>>2,P=o(),_=o();break;case Squeak.HeaderTypeClass:P=_-Squeak.HeaderTypeClass,C=(_=o())>>>2&63;break;case Squeak.HeaderTypeShort:C=_>>>2&63,P=_>>>12&31;break;case Squeak.HeaderTypeFree:throw Error("Unexpected free block")}var x,V,O=a-4-v,G=_>>>17&4095,w=N(--C,(x=_>>>8&15)<5);(V=new Squeak.Object).initFromImage(O,P,x,G),P<32&&(V.hash|=268435456),p&&(p.nextObject=V),this.oldSpaceCount++,p=V,d[f+O]=V,m[O]=w}this.firstOldObject=d[f+4],this.lastOldObject=V,this.lastOldObject.nextObject=null,this.oldSpaceBytes=R}this.totalMemory=this.oldSpaceBytes+this.headRoom,this.totalMemory=1e6*Math.ceil(this.totalMemory/1e6);var L=d[D],J=this.isSpur?this.spurClassTable(d,m,k,L):m[d[m[L.oop][Squeak.splOb_CompactClasses]].oop],j=null;for(V=this.firstOldObject,p=null;V;)p=j,j=V.renameFromImage(d,m,J),p?p.nextObject=j:this.firstOldObject=j,d[f+V.oop]=j,V=V.nextObject;this.lastOldObject=j,this.lastOldObject.nextObject=null;var q=d[D],Y=m[d[m[q.oop][Squeak.splOb_CompactClasses]].oop],Q=d[m[q.oop][Squeak.splOb_ClassFloat]],B=(this.isSpur&&(this.initImmediateClasses(d,m,q),Y=this.spurClassTable(d,m,k,q),E=this.getCharacter.bind(this),this.initSpurOverrides()),this.firstOldObject),M=0,$=function(){if(B){for(var e=M+(this.oldSpaceCount/20|0);B&&M<e;)B.installFromImage(d,m,Y,Q,n,E,h&&{makeFloat:function(e){return this.instantiateFloat(e)}.bind(this),makeLargeFromSmall:function(e,t){return this.instantiateLargeFromSmall(e,t)}.bind(this)}),B=B.nextObject,M++;return i&&i(M/this.oldSpaceCount),!0}return this.specialObjectsArray=q,this.decorateKnownObjects(),this.isSpur?(this.fixSkippedOops(K),h&&this.fixPCs(),this.ensureFullBlockClosureClass(this.specialObjectsArray,Y)):(this.fixCompiledMethods(),this.fixCompactOops()),!1}.bind(this);if(i)self.setTimeout(function e(){$()?self.setTimeout(e,0):t&&t()},0);else{for(;$(););t&&t()}},decorateKnownObjects:function(){var e=this.specialObjectsArray.pointers;if(e[Squeak.splOb_NilObject].isNil=!0,e[Squeak.splOb_TrueObject].isTrue=!0,e[Squeak.splOb_FalseObject].isFalse=!0,e[Squeak.splOb_ClassFloat].isFloatClass=!0,!this.isSpur){this.compactClasses=this.specialObjectsArray.pointers[Squeak.splOb_CompactClasses].pointers;for(var t=0;t<this.compactClasses.length;t++)this.compactClasses[t].isNil||(this.compactClasses[t].isCompact=!0)}Number.prototype.sqInstName||Object.defineProperty(Number.prototype,"sqInstName",{enumerable:!1,value:function(){return this.toString()}})},fixCompactOops:function(){if(!this.isSpur){for(var e=this.firstOldObject,t=0;e;){var i=268435455<e.hash;i!=!!e.sqClass.isCompact&&i!=(i=0===e.snapshotSize().header)&&(t+=i?-4:4),e.hash&=268435455,e.oop+=t,e=e.nextObject}this.oldSpaceBytes+=t}},fixCompiledMethods:function(){if(!(6502<=this.version))for(var e=this.firstOldObject,t=this.specialObjectsArray.pointers[Squeak.splOb_ClassCompiledMethod];e;)e.isMethod()&&(e.sqClass=t),e=e.nextObject},fixSkippedOops:function(e){for(var t=this.firstOldObject;t;)t.oop-=e[t.oop],t=t.nextObject;if((t=this.lastOldObject).addr()+t.totalBytes()!==this.oldSpaceBytes)throw Error("image size doesn't match object sizes")},fixPCs:function(){for(var e=this.specialObjectsArray.pointers[Squeak.splOb_ClassMethodContext],t=Squeak.Context_instructionPointer,i=Squeak.Context_method,r=this.specialObjectsArray.pointers[Squeak.splOb_ClassBlockClosure],s=Squeak.Closure_startpc,n=Squeak.Closure_outerContext,a=this.firstOldObject;a;)a.sqClass===e?a.pointers[t]-=4*a.pointers[i].pointers.length:a.sqClass===r&&(a.pointers[s]-=4*a.pointers[n].pointers[i].pointers.length),a=a.nextObject},ensureFullBlockClosureClass:function(e,t){e.pointers[Squeak.splOb_ClassFullBlockClosure].isNil&&t[38]&&(e.pointers[Squeak.splOb_ClassFullBlockClosure]=t[38])}},"garbage collection - full",{fullGC:function(e){this.vm.addMessage("fullGC: "+e);var t=Date.now(),i=this.newSpaceCount,r=this.youngSpaceCount,s=this.oldSpaceCount,n=this.markReachableObjects(),s=(this.removeUnmarkedOldObjects(),this.appendToOldObjects(n),this.finalizeWeakReferences(),this.allocationCount+=this.newSpaceCount,this.newSpaceCount=0,this.youngSpaceCount=0,this.hasNewInstances={},this.gcCount++,this.gcMilliseconds+=Date.now()-t,s-this.oldSpaceCount);return console.log("Full GC ("+e+"): "+(Date.now()-t)+" ms, surviving objects: "+this.oldSpaceCount+" ("+this.oldSpaceBytes+" bytes), tenured "+n.length+" (total "+(0<s?"+":"")+s+"), gc'ed "+r+" young and "+(i-r)+" new objects"),0<n.length?n[0]:null},gcRoots:function(){return this.vm.storeContextRegisters(),[this.specialObjectsArray,this.vm.activeContext]},markReachableObjects:function(){var e=this.gcRoots(),t=[];for(this.weakObjects=[];0<e.length;){var i=e.pop();if(!i.mark){i.oop<0&&t.push(i),i.mark=!0,i.sqClass.mark||e.push(i.sqClass);var r=i.pointers;if(r){var s=r.length;if(i.isWeak()&&(s=i.sqClass.classInstSize(),this.weakObjects.push(i)),this.vm.isContext(i))for(var n=s=i.contextSizeWithStack();n<r.length;n++)r[n]=this.vm.nilObj;for(n=0;n<s;n++)"object"!=typeof r[n]||r[n].mark||e.push(r[n])}}}return this.isSpur?t:t.sort(function(e,t){return t.oop-e.oop})},removeUnmarkedOldObjects:function(){var e=0,t=0,i=this.firstOldObject;for(i.mark=!1;;){var r=i.nextObject;if(!r)return this.lastOldObject=i,this.lastOldObject.nextObject=null,this.oldSpaceBytes-=t,void(this.oldSpaceCount-=e);r.dirty&&(r.dirty=!1),r.mark?((i=r).mark=!1,i.oop-=t):(i.nextObject=(r=r).nextObject,r.oop=-++this.newSpaceCount,t+=r.totalBytes(),e++)}},appendToOldObjects:function(e){for(var t=this.lastOldObject,i=0;i<e.length;i++){var r=e[i];r.mark=!1,this.oldSpaceBytes=r.setAddr(this.oldSpaceBytes),t.nextObject=r,t=r}t.nextObject=null,this.lastOldObject=t,this.lastOldObject.nextObject=null,this.oldSpaceCount+=e.length,this.gcTenured+=e.length,this.vm.signalLowSpaceIfNecessary(this.bytesLeft())},tenureIfYoung:function(e){e.oop<0&&this.appendToOldObjects([e])},finalizeWeakReferences:function(){var e=this.weakObjects;this.weakObjects=null;for(var t=0;t<e.length;t++){for(var i,r=e[t],s=r.pointers,n=r.sqClass.classInstSize(),a=!1,o=n;o<s.length;o++)s[o].oop<0&&(s[o]=this.vm.nilObj,a=!0);a&&(this.vm.pendingFinalizationSignals++,2<=n)&&(n=r.pointers[Squeak.WeakFinalizerItem_list]).sqClass==this.vm.specialObjects[Squeak.splOb_ClassWeakFinalizer]&&(i=n.pointers[Squeak.WeakFinalizationList_first],r.pointers[Squeak.WeakFinalizerItem_next]=i,n.pointers[Squeak.WeakFinalizationList_first]=r)}0<this.vm.pendingFinalizationSignals&&this.vm.forceInterruptCheck()}},"garbage collection - partial",{partialGC:function(e){this.vm.addMessage("partialGC: "+e);var t=Date.now(),i=this.newSpaceCount,r=this.findYoungObjects();return this.appendToYoungSpace(r),this.finalizeWeakReferences(),this.cleanupYoungSpace(r),this.allocationCount+=this.newSpaceCount-r.length,this.youngSpaceCount=r.length,this.newSpaceCount=this.youngSpaceCount,this.pgcCount++,this.pgcMilliseconds+=Date.now()-t,console.log("Partial GC ("+e+"): "+(Date.now()-t)+" ms, found "+this.youngRootsCount+" roots in "+this.oldSpaceCount+" old, kept "+this.youngSpaceCount+" young ("+(i-this.youngSpaceCount)+" gc'ed)"),r[0]},youngRoots:function(){for(var e=this.gcRoots().filter(function(e){return e.oop<0}),t=this.firstOldObject;t;){if(t.dirty){for(var i=t.pointers,r=!1,s=0;s<i.length;s++){var n=i[s];"object"==typeof n&&n.oop<0&&(e.push(n),r=!0)}t.dirty=r}t=t.nextObject}return e},findYoungObjects:function(){var e=this.youngRoots(),t=[];for(this.youngRootsCount=e.length,this.weakObjects=[];0<e.length;){var i=e.pop();if(!i.mark){t.push(i),i.mark=!0,i.sqClass.oop<0&&e.push(i.sqClass);var r=i.pointers;if(r){var s=r.length;if(i.isWeak()&&(s=i.sqClass.classInstSize(),this.weakObjects.push(i)),this.vm.isContext(i))for(var n=s=i.contextSizeWithStack();n<r.length;n++)r[n]=this.vm.nilObj;for(n=0;n<s;n++){var a=r[n];"object"==typeof a&&a.oop<0&&e.push(a)}}}}return this.isSpur?t:t.sort(function(e,t){return t.oop-e.oop})},appendToYoungSpace:function(e){for(var t=this.lastOldObject.oop+1,i=0;i<e.length;i++){var r=e[i];this.hasNewInstances[r.oop]&&(delete this.hasNewInstances[r.oop],this.hasNewInstances[t]=!0),r.oop=t,r.nextObject=e[i+1],t++}},cleanupYoungSpace:function(e){for(var t=e[0],i=-1;t;)this.hasNewInstances[t.oop]&&(delete this.hasNewInstances[t.oop],this.hasNewInstances[i]=!0),t.oop=i,t.mark=!1,t=t.nextObject,i--}},"creating",{registerObject:function(e){return e.oop=-++this.newSpaceCount,this.lastHash=13849+27181*this.lastHash&4294967295,4095&this.lastHash},registerObjectSpur:function(e){return e.oop=-++this.newSpaceCount,0},instantiateClass:function(e,t,i){var r=new(e.classInstProto()),s=this.registerObject(r);return r.initInstanceOf(e,t,s,i),this.hasNewInstances[e.oop]=!0,r},clone:function(e){var t=new(e.sqClass.classInstProto()),i=this.registerObject(t);return t.initAsClone(e,i),this.hasNewInstances[t.sqClass.oop]=!0,t}},"operations",{bulkBecome:function(e,t,i,r){if(!e)return!t;var s=e.length;if(s!==t.length)return!1;for(var n=null,a=(0<this.newSpaceCount?n=this.partialGC("become"):this.vm.storeContextRegisters(),{}),o=0;o<s;o++){if(!(l=e[o]).sqClass)return!1;if(a[l.oop])return!1;a[l.oop]=t[o]}if(i)for(o=0;o<s;o++){if(!(l=t[o]).sqClass)return!1;if(a[l.oop])return!1;a[l.oop]=e[o]}if(r)for(o=0;o<s;o++){if(!t[o].sqClass)return!1;var u=e[o].hash;e[o].hash=t[o].hash,t[o].hash=u,this.isSpur&&this.classTable[u]===e[o]&&(this.classTable[u]=t[o])}this.lastOldObject.nextObject=n;for(var l=this.firstOldObject;l;){var c=a[l.sqClass.oop],h=(c&&(l.sqClass=c).oop<0&&(l.dirty=!0),l.pointers);if(h)for(var f=0;f<h.length;f++)(c=a[h[f].oop])&&(h[f]=c).oop<0&&(l.dirty=!0);l=l.nextObject}return this.lastOldObject.nextObject=null,this.vm.flushMethodCacheAfterBecome(a),!0},objectAfter:function(e){return e.nextObject||this.nextObjectWithGC("nextObject",e)},someInstanceOf:function(e){for(var t=this.firstOldObject;t;){if(t.sqClass===e)return t;t=t.nextObject||this.nextObjectWithGCFor(t,e)}return null},nextInstanceAfter:function(e){for(var t=e.sqClass;;){if(!(e=e.nextObject||this.nextObjectWithGCFor(e,t)))return null;if(e.sqClass===t)return e}},nextObjectWithGC:function(e,t){var i=0<t.oop?0:this.youngSpaceCount;return this.newSpaceCount<=i?null:(t.oop<0&&this.fullGC(e),this.partialGC(e))},nextObjectWithGCFor:function(e,t){return this.hasNewInstances[t.oop]?this.nextObjectWithGC("instance of "+t.className(),e):null},allInstancesOf:function(e){for(var t=this.firstOldObject,i=[];t;)t.sqClass===e&&i.push(t),t=t.nextObject||this.nextObjectWithGCFor(t,e);return i},writeToBuffer:function(){function e(e){t.setUint32(i,e),i+=4}var t=new DataView(new ArrayBuffer(64+this.oldSpaceBytes)),i=0;for(e(this.formatVersion()),e(64),e(this.oldSpaceBytes),e(this.firstOldObject.addr()),e(this.objectToOop(this.specialObjectsArray)),e(this.lastHash),e(52429400);i<64;)e(0);for(var r=this.firstOldObject,s=0;r;)i=r.writeTo(t,i,this),r=r.nextObject,s++;if(i!==t.byteLength)throw Error("wrong image size");if(s!==this.oldSpaceCount)throw Error("wrong object count");return t.buffer},objectToOop:function(e){if("number"==typeof e)return e<<1|1;if(e.oop<0)throw Error("temporary oop");return e.oop},bytesLeft:function(){return this.totalMemory-this.oldSpaceBytes},formatVersion:function(){return this.isSpur?6521:this.hasClosures?6504:6502},segmentVersion:function(){var e=this.isSpur?"seod":"does";return this.formatVersion()|e.charCodeAt(0)<<24},storeImageSegment:function(e,t,i){var r=new DataView(e.words.buffer),s=0,n=t.pointers,a=0;r.setUint32(s,this.segmentVersion()),s+=4,this.fullGC("storeImageSegment"),i.mark=!0;for(var o=0;o<i.pointers.length;o++)"object"==typeof i.pointers[o]&&(i.pointers[o].mark=!0);this.markReachableObjects(),i.mark=!1;for(o=0;o<i.pointers.length;o++)"object"==typeof i.pointers[o]&&(i.pointers[o].mark=!1);var u={},l=[];function c(e){var t=u[e.oop];if(!t){if(e.mark){if(a>=n.length)return 0;t=2147483652+4*a,n[a++]=e}else{if(s+e.totalBytes()>r.byteLength)return 0;t=s+4*(e.snapshotSize().header+1),s=e.writeTo(r,s,this),l.push(e)}u[e.oop]=t}return t}function h(){for(var e=this.firstOldObject;e;)e.mark=!1,e=e.nextObject;return this.weakObjects=null,!1}for(c=c.bind(this),h=h.bind(this),c(i);0<l.length;){var f=l.shift(),p=u[f.oop],d=f.snapshotSize().header,m=f.pointers;if(0<d){var v=c(f.sqClass);if(!v)return h();d=1===d?Squeak.HeaderTypeClass:Squeak.HeaderTypeSizeAndClass;r.setUint32(p-8,v|d)}if(m)for(o=0;o<m.length;o++){var g=m[o];if("object"==typeof g){g=c(g);if(!g)return h();r.setUint32(p+4*o,g)}}}for(var f=e.oop<t.oop?e:t,k=0;f;)f.oop-=k,f===e?(k+=4*f.words.length-s,f.words=new Uint32Array(f.words.buffer.slice(0,s))):f===t&&(k+=4*(f.pointers.length-a),f.pointers.length=a),f=f.nextObject;return this.oldSpaceBytes-=k,h(),!0},loadImageSegment:function(e,t){if(1===e.words.length)return e.nextObject;var r=new DataView(e.words.buffer),i=!1,s=0,n=function(){var e=r.getUint32(s,i);return s+=4,e},a=n();if(!0&a&&(i=!0,!(s=0)&n()))return console.error("image segment format not supported"),null;this.tenureIfYoung(e);for(var o=e,u=o.nextObject,l=e.oop,c={},h={};s<r.byteLength;){var f=0,p=0,d=n();switch(d&Squeak.HeaderTypeMask){case Squeak.HeaderTypeSizeAndClass:f=d>>>2,p=n(),d=n();break;case Squeak.HeaderTypeClass:p=d-Squeak.HeaderTypeClass,f=(d=n())>>>2&63;break;case Squeak.HeaderTypeShort:f=d>>>2&63,p=d>>>12&31;break;case Squeak.HeaderTypeFree:throw Error("Unexpected free block")}var m=s,v=d>>>8&15,g=d>>>17&4095,k=function(e,t){if(t<5){for(var i=[];i.length<e;)i.push(n());return i}return t=new Uint32Array(r.buffer,s,e),s+=4*e,t}(--f,v),b=new Squeak.Object;b.initFromImage(m+l,p,v,g),o.nextObject=b,this.oldSpaceCount++,c[m]=o=b,h[m+l]=k}b.nextObject=u;for(var y=0;y<t.pointers.length;y++)c[2147483652+4*y]=t.pointers[y];for(var a=this.specialObjectsArray.pointers[Squeak.splOb_CompactClasses].pointers,S=0,F=a.map(function(e){return c[--S]=e,S}),a=(e.words=new Uint32Array([e.words[0]]),delete e.uint8Array,e.nextObject),O=this.specialObjectsArray.pointers[Squeak.splOb_ClassFloat],I=a;I.installFromImage(c,h,F,O,i,!1),(I=I.nextObject)!==u;);return a}},"spur support",{initSpurOverrides:function(){this.registerObject=this.registerObjectSpur,this.writeToBuffer=this.writeToBufferSpur,this.storeImageSegment=this.storeImageSegmentSpur,this.loadImageSegment=this.loadImageSegmentSpur},spurClassTable:function(e,t,i,r){for(var s,n,a={},o=this.firstOldObject,u=0;u<4096;u++){var l=e[i[u]];if(1024===(l=l.oop?t[l.oop]:l).length)for(var c=0;c<1024;c++){var h,f=e[l[c]];if(!f)throw Error("Invalid class table entry (oop "+l[c]+")");f!==o&&(a[h=1024*u+c]=f)}}for(s in Squeak)/^splOb_Class/.test(s)&&(n=e[t[r.oop][Squeak[s]]])!==o&&0<(h=n.hash)&&h<1024&&(a[h]=n);return a[3]=a[1],this.classTable=a,this.classTableIndex=1024,a},enterIntoClassTable:function(e){for(var t=this.classTableIndex,i=this.classTable;t<=4194303;){if(!i[t])return(i[t]=e).hash=t,this.classTableIndex=t;t++}return console.error("class table full?"),null},initImmediateClasses:function(e,t,i){t=t[i.oop];this.characterClass=e[t[Squeak.splOb_ClassCharacter]],this.floatClass=e[t[Squeak.splOb_ClassFloat]],this.largePosIntClass=e[t[Squeak.splOb_ClassLargePositiveInteger]],this.largeNegIntClass=e[t[Squeak.splOb_ClassLargeNegativeInteger]],this.characterClass.classInstProto("Character"),this.floatClass.classInstProto("BoxedFloat64"),this.largePosIntClass.classInstProto("LargePositiveInteger"),this.largeNegIntClass.classInstProto("LargeNegativeInteger"),this.characterTable={}},getCharacter:function(e){var t=this.characterTable[e];return t||((t=new this.characterClass.instProto).initInstanceOfChar(this.characterClass,e),this.characterTable[e]=t),t},instantiateFloat:function(e){var t=new this.floatClass.instProto;return this.registerObjectSpur(t),this.hasNewInstances[this.floatClass.oop]=!0,t.initInstanceOfFloat(this.floatClass,e),t},instantiateLargeFromSmall:function(e,t){t=e<<29|t>>>3;for(var i=(e>>=3)<0,r=(i&&(e=-e,0!==(t=-t))&&e--,0===e?4:e<=255?5:e<=65535?6:e<=16777215?7:8),i=i?this.largeNegIntClass:this.largePosIntClass,s=new i.instProto,n=(this.registerObjectSpur(s),this.hasNewInstances[i.oop]=!0,s.initInstanceOfLargeInt(i,r),s.bytes),a=0;a<4;a++)n[a]=255&t,t>>=8;for(a=4;a<r;a++)n[a]=255&e,e>>=8;return s},ensureClassesInTable:function(){for(var e=this.firstOldObject,t=1024;e;){var i=e.sqClass;if(0===i.hash&&this.enterIntoClassTable(i),i.hash>t&&(t=i.hash),this.classTable[i.hash]!==i)throw Error("Class not in class table");e=e.nextObject}return 1+(t>>10)},classTableBytes:function(e){return 4*(4108+1028*e)},writeFreeLists:function(e,t,i,r){return e.setUint32(t,167772178,i),e.setUint32(t+=4,536870912,i),t=t+4+128},writeClassTable:function(e,t,i,r,s){e.setUint32(t,4104,i),e.setUint32(t+=4,4278190080,i),e.setUint32(t+=4,33554448,i),e.setUint32(t+=4,4278190080,i),t+=4;for(var n=0;n<s;n++)e.setUint32(t,16624+4112*n,i),t+=4;t+=4*(4104-s);for(var a=0,n=0;n<s;n++){e.setUint32(t,1024,i),t+=4,e.setUint32(t,4278190080,i),t+=4,e.setUint32(t,33554448,i),t+=4,e.setUint32(t,4278190080,i),t+=4;for(var o=0;o<1024;o++){var u=this.classTable[a];if(u&&u.pointers){if(!u.hash)throw Error("class without id");(u.hash!==a&&32<=a||u.oop<0)&&(console.warn("freeing class index "+a+" "+u.className()),u=null,delete this.classTable[a])}u&&e.setUint32(t,r(u),i),t+=4,a++}}return t},writeToBufferSpur:function(){var e=this.ensureClassesInTable(),t=136+this.classTableBytes(e),i=new DataView(new ArrayBuffer(64+t+this.oldSpaceBytes+16)),r=!0,s=Date.now(),n=0;function a(e){i.setUint32(n,e,r),n+=4}function o(e){if("number"==typeof e)return e<<1|1;if(7===e._format){if(e.hash!==e.oop>>2||2!=(3&e.oop))throw Error("Bad immediate char");return e.oop}if(e.oop<0)throw Error("temporary oop");return e.oop<48?e.oop:e.oop+t}for(a(this.formatVersion()),a(64),a(t+this.oldSpaceBytes+16),a(this.firstOldObject.addr()),a(o(this.specialObjectsArray)),this.savedHeaderWords.forEach(a),a(t+this.oldSpaceBytes+16);n<64;)a(0);var u=0,n=(l=this.firstOldObject).writeTo(i,n,r,o),l=l.nextObject;for(u++,n=l.writeTo(i,n,r,o),l=l.nextObject,u++,n=l.writeTo(i,n,r,o),l=l.nextObject,u++,n=this.writeFreeLists(i,n,r,o),n=this.writeClassTable(i,n,r,o,e);l;)n=l.writeTo(i,n,r,o),l=l.nextObject,u++;if(a(1241513987),a(8388608),a(0),a(0),n!==i.byteLength)throw Error("wrong image size");if(u!==this.oldSpaceCount)throw Error("wrong object count");e=Date.now()-s;return console.log("Wrote "+u+" objects in "+e+" ms, image size "+n+" bytes"),i.buffer},storeImageSegmentSpur:function(e,t,i){return this.vm.warnOnce("not implemented for Spur yet: primitive 98 (primitiveStoreImageSegment)"),!1},loadImageSegmentSpur:function(e,t){return this.vm.warnOnce("not implemented for Spur yet: primitive 99 (primitiveLoadImageSegment)"),null}}),Object.subclass("Squeak.Interpreter","initialization",{initialize:function(e,t){console.log("squeak: initializing interpreter "+Squeak.vmVersion+" ("+Squeak.vmDate+")"),this.Squeak=Squeak,this.image=e,(this.image.vm=this).primHandler=new Squeak.Primitives(this,t),this.loadImageState(),this.hackImage(),this.initVMState(),this.loadInitialContext(),this.initCompiler(),console.log("squeak: ready")},loadImageState:function(){this.specialObjects=this.image.specialObjectsArray.pointers,this.specialSelectors=this.specialObjects[Squeak.splOb_SpecialSelectors].pointers,this.nilObj=this.specialObjects[Squeak.splOb_NilObject],this.falseObj=this.specialObjects[Squeak.splOb_FalseObject],this.trueObj=this.specialObjects[Squeak.splOb_TrueObject],this.hasClosures=this.image.hasClosures,this.getGlobals=this.globalsGetter(),this.hasClosures||this.findMethod("UnixFileDirectory class>>pathNameDelimiter")||(this.primHandler.emulateMac=!0),6501==this.image.version&&(this.primHandler.reverseDisplay=!0)},initVMState:function(){this.byteCodeCount=0,this.sendCount=0,this.interruptCheckCounter=0,this.interruptCheckCounterFeedBackReset=1e3,this.interruptChecksEveryNms=3,this.lowSpaceThreshold=1e6,this.signalLowSpace=!1,this.nextPollTick=0,this.nextWakeupTick=0,this.lastTick=0,this.interruptKeycode=2094,this.interruptPending=!1,this.pendingFinalizationSignals=0,this.freeContexts=this.nilObj,this.freeLargeContexts=this.nilObj,this.reclaimableContextCount=0,this.nRecycledContexts=0,this.nAllocatedContexts=0,this.methodCacheSize=1024,this.methodCacheMask=this.methodCacheSize-1,this.methodCacheRandomish=0,this.methodCache=[];for(var e=0;e<this.methodCacheSize;e++)this.methodCache[e]={lkupClass:null,selector:null,method:null,primIndex:0,argCount:0,mClass:null};this.breakOutOfInterpreter=!1,this.breakOutTick=0,this.breakOnMethod=null,this.breakOnNewMethod=!1,this.breakOnMessageNotUnderstood=!1,this.breakOnContextChanged=!1,this.breakOnContextReturned=null,this.messages={},this.startupTime=Date.now()},loadInitialContext:function(){var e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value].pointers[Squeak.ProcSched_activeProcess];this.activeContext=e.pointers[Squeak.Proc_suspendedContext],this.activeContext.dirty=!0,this.fetchContextRegisters(this.activeContext),this.reclaimableContextCount=0},globalsGetter:function(){var e=this.specialObjects[Squeak.splOb_SmalltalkDictionary],t=e.sqClass.className();if("SystemDictionary"===(t="Association"===t?(e=e.pointers[1]).sqClass.className():t))return function(){return e.pointers[1].pointers};if("SmalltalkImage"===t){var i=e.pointers[0],t=i.sqClass.className();if("SystemDictionary"===t)return function(){return i.pointers[1].pointers};if("Environment"===t)return function(){return i.pointers[2].pointers[1].pointers}}return console.warn("cannot find global dict"),function(){return[]}},initCompiler:function(){if(!Squeak.Compiler)return console.warn("Squeak.Compiler not loaded, using interpreter only");try{if(42!==new Function("return 42")())return console.warn("function constructor not working, disabling JIT")}catch(e){return console.warn("disabling JIT: "+e)}var e=this.image.oldSpaceCount/(this.startupTime-this.image.startupTime);if(e<10)return console.warn("Slow machine detected (loaded "+(1e3*e|0)+" objects/sec), using interpreter only");try{console.log("squeak: initializing JIT compiler");var t=new Squeak.Compiler(this);t.compile&&(this.compiler=t)}catch(e){console.warn("Compiler: "+e)}this.compiler||console.warn("SqueakJS will be running in interpreter mode only (slow)")},hackImage:function(){[{method:"SmalltalkImage>>wordSize",literal:{index:1,old:8,hack:4},enabled:!0},{method:"ReleaseBuilder class>>prepareEnvironment",bytecode:{pc:28,old:216,hack:135},enabled:("object"==typeof location?location.hash:"").includes("wizard=false")}].forEach(function(t){try{var e,i,r,s,n=t.enabled&&this.findMethod(t.method);n&&(e=t.primitive,i=t.bytecode,r=t.literal,s=!0,e?n.pointers[0]|=e:i&&n.bytes[i.pc]===i.old?n.bytes[i.pc]=i.hack:i&&n.bytes[i.pc]===i.hack?s=!1:r&&n.pointers[r.index].pointers[1]===r.old?n.pointers[r.index].pointers[1]=r.hack:r&&n.pointers[r.index].pointers[1]===r.hack?s=!1:(s=!1,console.warn("Not hacking "+t.method)),s)&&console.warn("Hacking "+t.method)}catch(e){console.error("Failed to hack "+t.method+" with error "+e)}},this)}},"interpreting",{interpretOne:function(e){if(this.method.methodSignFlag())return this.interpretOneSistaWithExtensions(e,0,0);if(!this.method.compiled){var t,i,r=this.Squeak;switch(this.byteCodeCount++,t=this.nextByte()){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return void this.push(this.receiver.pointers[15&t]);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return void this.push(this.homeContext.pointers[r.Context_tempFrameStart+(15&t)]);case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return void this.push(this.method.methodGetLiteral(31&t));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:case 72:case 73:case 74:case 75:case 76:case 77:case 78:case 79:case 80:case 81:case 82:case 83:case 84:case 85:case 86:case 87:case 88:case 89:case 90:case 91:case 92:case 93:case 94:case 95:return void this.push(this.method.methodGetLiteral(31&t).pointers[r.Assn_value]);case 96:case 97:case 98:case 99:case 100:case 101:case 102:case 103:return this.receiver.dirty=!0,void(this.receiver.pointers[7&t]=this.pop());case 104:case 105:case 106:case 107:case 108:case 109:case 110:case 111:return void(this.homeContext.pointers[r.Context_tempFrameStart+(7&t)]=this.pop());case 112:return void this.push(this.receiver);case 113:return void this.push(this.trueObj);case 114:return void this.push(this.falseObj);case 115:return void this.push(this.nilObj);case 116:return void this.push(-1);case 117:return void this.push(0);case 118:return void this.push(1);case 119:return void this.push(2);case 120:return void this.doReturn(this.receiver);case 121:return void this.doReturn(this.trueObj);case 122:return void this.doReturn(this.falseObj);case 123:return void this.doReturn(this.nilObj);case 124:return void this.doReturn(this.pop());case 125:return void this.doReturn(this.pop(),this.activeContext.pointers[r.BlockContext_caller]);case 126:case 127:return void this.nono();case 128:return void this.extendedPush(this.nextByte());case 129:return void this.extendedStore(this.nextByte());case 130:return void this.extendedStorePop(this.nextByte());case 131:return i=this.nextByte(),void this.send(this.method.methodGetSelector(31&i),i>>5,!1);case 132:return void this.doubleExtendedDoAnything(this.nextByte());case 133:return i=this.nextByte(),void this.send(this.method.methodGetSelector(31&i),i>>5,!0);case 134:return i=this.nextByte(),void this.send(this.method.methodGetSelector(63&i),i>>6,!1);case 135:return void this.pop();case 136:return void this.push(this.top());case 137:return void this.push(this.exportThisContext());case 138:return void this.pushNewArray(this.nextByte());case 139:return void this.callPrimBytecode(129);case 140:return i=this.nextByte(),void this.push(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]);case 141:return i=this.nextByte(),void(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]=this.top());case 142:return i=this.nextByte(),void(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]=this.pop());case 143:return void this.pushClosureCopy();case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:return void(this.pc+=1+(7&t));case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return void this.jumpIfFalse(1+(7&t));case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:return i=this.nextByte(),this.pc+=256*((7&t)-4)+i,void((7&t)<4&&this.interruptCheckCounter--<=0&&this.checkForInterrupts());case 168:case 169:case 170:case 171:return void this.jumpIfTrue(256*(3&t)+this.nextByte());case 172:case 173:case 174:case 175:return void this.jumpIfFalse(256*(3&t)+this.nextByte());case 176:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)+this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 177:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)-this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 178:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 179:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 180:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<=this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 181:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>=this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 182:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)===this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 183:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)!==this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 184:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)*this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 185:return this.success=!0,void(this.pop2AndPushIntResult(this.quickDivide(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 186:return this.success=!0,void(this.pop2AndPushIntResult(this.mod(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 187:return this.success=!0,void(this.primHandler.primitiveMakePoint(1,!0)||this.sendSpecial(15&t));case 188:return this.success=!0,void(this.pop2AndPushIntResult(this.safeShift(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 189:return this.success=!0,void(this.pop2AndPushIntResult(this.div(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 190:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)&this.stackInteger(0))||this.sendSpecial(15&t));case 191:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)|this.stackInteger(0))||this.sendSpecial(15&t));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return void(this.primHandler.quickSendOther(this.receiver,15&t)||this.sendSpecial(16+(15&t)));case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:case 216:case 217:case 218:case 219:case 220:case 221:case 222:case 223:return void this.send(this.method.methodGetSelector(15&t),0,!1);case 224:case 225:case 226:case 227:case 228:case 229:case 230:case 231:case 232:case 233:case 234:case 235:case 236:case 237:case 238:case 239:return void this.send(this.method.methodGetSelector(15&t),1,!1);case 240:case 241:case 242:case 243:case 244:case 245:case 246:case 247:case 248:case 249:case 250:case 251:case 252:case 253:case 254:case 255:return void this.send(this.method.methodGetSelector(15&t),2,!1)}throw Error("not a bytecode: "+t)}if(e){if(!this.compiler.enableSingleStepping(this.method))return this.method.compiled=null,this.interpretOne(e);this.breakNow()}this.method.compiled(this)},interpretOneSistaWithExtensions:function(e,t,i){var r,s,n=this.Squeak;switch(this.byteCodeCount++,r=this.nextByte()){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return void this.push(this.receiver.pointers[15&r]);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return void this.push(this.method.methodGetLiteral(15&r).pointers[n.Assn_value]);case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return void this.push(this.method.methodGetLiteral(31&r));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:return void this.push(this.homeContext.pointers[n.Context_tempFrameStart+(7&r)]);case 72:case 73:case 74:case 75:return void this.push(this.homeContext.pointers[n.Context_tempFrameStart+(3&r)+8]);case 76:return void this.push(this.receiver);case 77:return void this.push(this.trueObj);case 78:return void this.push(this.falseObj);case 79:return void this.push(this.nilObj);case 80:return void this.push(0);case 81:return void this.push(1);case 82:return 0==i?void this.push(this.exportThisContext()):void this.nono();case 83:return void this.push(this.top());case 84:case 85:case 86:case 87:return void this.nono();case 88:return void this.doReturn(this.receiver);case 89:return void this.doReturn(this.trueObj);case 90:return void this.doReturn(this.falseObj);case 91:return void this.doReturn(this.nilObj);case 92:return void this.doReturn(this.pop());case 93:return void this.doReturn(this.nilObj,this.activeContext.pointers[n.BlockContext_caller]);case 94:return 0==t?void this.doReturn(this.pop(),this.activeContext.pointers[n.BlockContext_caller]):void this.nono();case 95:return;case 96:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)+this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 97:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)-this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 98:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 99:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 100:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<=this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 101:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>=this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 102:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)===this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 103:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)!==this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 104:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)*this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 105:return this.success=!0,void(this.pop2AndPushIntResult(this.quickDivide(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 106:return this.success=!0,void(this.pop2AndPushIntResult(this.mod(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 107:return this.success=!0,void(this.primHandler.primitiveMakePoint(1,!0)||this.sendSpecial(15&r));case 108:return this.success=!0,void(this.pop2AndPushIntResult(this.safeShift(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 109:return this.success=!0,void(this.pop2AndPushIntResult(this.div(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 110:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)&this.stackInteger(0))||this.sendSpecial(15&r));case 111:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)|this.stackInteger(0))||this.sendSpecial(15&r));case 112:case 113:case 114:case 115:case 116:case 117:case 118:case 119:case 120:case 121:case 122:case 123:case 124:case 125:case 126:case 127:return void(this.primHandler.quickSendOther(this.receiver,15&r)||this.sendSpecial(16+(15&r)));case 128:case 129:case 130:case 131:case 132:case 133:case 134:case 135:case 136:case 137:case 138:case 139:case 140:case 141:case 142:case 143:return void this.send(this.method.methodGetSelector(15&r),0,!1);case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return void this.send(this.method.methodGetSelector(15&r),1,!1);case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:case 168:case 169:case 170:case 171:case 172:case 173:case 174:case 175:return void this.send(this.method.methodGetSelector(15&r),2,!1);case 176:case 177:case 178:case 179:case 180:case 181:case 182:case 183:return void(this.pc+=1+(7&r));case 184:case 185:case 186:case 187:case 188:case 189:case 190:case 191:return void this.jumpIfTrue(1+(7&r));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:return void this.jumpIfFalse(1+(7&r));case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return this.receiver.dirty=!0,void(this.receiver.pointers[7&r]=this.pop());case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:return void(this.homeContext.pointers[n.Context_tempFrameStart+(7&r)]=this.pop());case 216:return void this.pop();case 217:return void this.nono();case 218:case 219:case 220:case 221:case 222:case 223:return void this.nono();case 224:return a=this.nextByte(),void this.interpretOneSistaWithExtensions(e,(t<<8)+a,i);case 225:return a=this.nextByte(),void this.interpretOneSistaWithExtensions(e,t,(i<<8)+(a<128?a:a-256));case 226:return a=this.nextByte(),void this.push(this.receiver.pointers[a+(t<<8)]);case 227:return a=this.nextByte(),void this.push(this.method.methodGetLiteral(a+(t<<8)).pointers[n.Assn_value]);case 228:return a=this.nextByte(),void this.push(this.method.methodGetLiteral(a+(t<<8)));case 229:return a=this.nextByte(),void this.push(this.homeContext.pointers[n.Context_tempFrameStart+a]);case 230:return void this.nono();case 231:return void this.pushNewArray(this.nextByte());case 232:return a=this.nextByte(),void this.push(a+(i<<8));case 233:return a=this.nextByte(),void this.push(this.image.getCharacter(a+(i<<8)));case 234:return a=this.nextByte(),void this.send(this.method.methodGetSelector((a>>3)+(t<<5)),(7&a)+(i<<3),!1);case 235:var a=this.nextByte(),o=this.method.methodGetSelector((a>>3)+(t<<5));return 64<=i?void this.sendSuperDirected(o,(7&a)+((63&i)<<3)):void this.send(o,(7&a)+(i<<3),!0);case 236:return void this.nono();case 237:o=this.nextByte()+(i<<8);return this.pc+=o,void(o<0&&this.interruptCheckCounter--<=0&&this.checkForInterrupts());case 238:return void this.jumpIfTrue(this.nextByte()+(i<<8));case 239:return void this.jumpIfFalse(this.nextByte()+(i<<8));case 240:return this.receiver.dirty=!0,void(this.receiver.pointers[this.nextByte()+(t<<8)]=this.pop());case 241:return(s=this.method.methodGetLiteral(this.nextByte()+(t<<8))).dirty=!0,void(s.pointers[n.Assn_value]=this.pop());case 242:return void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()]=this.pop());case 243:return this.receiver.dirty=!0,void(this.receiver.pointers[this.nextByte()+(t<<8)]=this.top());case 244:return(s=this.method.methodGetLiteral(this.nextByte()+(t<<8))).dirty=!0,void(s.pointers[n.Assn_value]=this.top());case 245:return void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()]=this.top());case 246:case 247:return void this.nono();case 248:return void this.callPrimBytecode(245);case 249:return void this.pushFullClosure(t);case 250:return void this.pushClosureCopyExtended(t,i);case 251:return a=this.nextByte(),void this.push(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]);case 252:return a=this.nextByte(),void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]=this.top());case 253:return a=this.nextByte(),void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]=this.pop());case 254:case 255:return void this.nono()}throw Error("not a bytecode: "+r)},interpret:function(e,t){if(this.frozen)return"frozen";for(this.isIdle=!1,this.breakOutOfInterpreter=!1,this.breakAfter(e||500);!1===this.breakOutOfInterpreter;)this.method.compiled?this.method.compiled(this):this.interpretOne();return"function"==typeof this.breakOutOfInterpreter?this.breakOutOfInterpreter(t):(e="break"==this.breakOutOfInterpreter?"break":this.isIdle?this.nextWakeupTick?Math.max(1,this.nextWakeupTick-this.primHandler.millisecondClockValue()):"sleep":0,t&&t(e),e)},goIdle:function(){var e=0!==this.nextWakeupTick,t=(this.forceInterruptCheck(),this.checkForInterrupts(),0!==this.nextWakeupTick);this.isIdle=t||!e,this.breakOut()},freeze:function(e){this.frozen=!0,this.breakOutOfInterpreter=function(e){if(e)return t=e,"frozen";throw Error("need function to restart interpreter")}.bind(this);var t,i=function(){if(this.frozen=!1,!t)throw Error("no continue function");t(0)}.bind(this);return e&&self.setTimeout(function(){e(i)},0),i},breakOut:function(){this.breakOutOfInterpreter=this.breakOutOfInterpreter||!0},nextByte:function(){return this.method.bytes[this.pc++]},nono:function(){throw Error("Oh No!")},forceInterruptCheck:function(){this.interruptCheckCounter=-1e3},checkForInterrupts:function(){var e,t=this.primHandler.millisecondClockValue();t<this.lastTick&&(this.nextPollTick=t+(this.nextPollTick-this.lastTick),this.breakOutTick=t+(this.breakOutTick-this.lastTick),0!==this.nextWakeupTick)&&(this.nextWakeupTick=t+(this.nextWakeupTick-this.lastTick)),-100<this.interruptCheckCounter&&(t-this.lastTick<this.interruptChecksEveryNms?this.interruptCheckCounterFeedBackReset+=10:this.interruptCheckCounterFeedBackReset<=1e3?this.interruptCheckCounterFeedBackReset=1e3:this.interruptCheckCounterFeedBackReset-=12),this.interruptCheckCounter=this.interruptCheckCounterFeedBackReset,this.lastTick=t,this.signalLowSpace&&(this.signalLowSpace=!1,(e=this.specialObjects[Squeak.splOb_TheLowSpaceSemaphore]).isNil||this.primHandler.synchronousSignal(e)),this.interruptPending&&(this.interruptPending=!1,(e=this.specialObjects[Squeak.splOb_TheInterruptSemaphore]).isNil||this.primHandler.synchronousSignal(e)),0!==this.nextWakeupTick&&t>=this.nextWakeupTick&&(this.nextWakeupTick=0,(e=this.specialObjects[Squeak.splOb_TheTimerSemaphore]).isNil||this.primHandler.synchronousSignal(e)),0<this.pendingFinalizationSignals&&(e=this.specialObjects[Squeak.splOb_TheFinalizationSemaphore],this.pendingFinalizationSignals=0,e.isNil||this.primHandler.synchronousSignal(e)),0<this.primHandler.semaphoresToSignal.length&&this.primHandler.signalExternalSemaphores(),!this.method.compiled&&this.compiler&&this.compiler.compile(this.method),t>=this.breakOutTick&&this.breakOut()},extendedPush:function(e){var t=63&e;switch(e>>6){case 0:this.push(this.receiver.pointers[t]);break;case 1:this.push(this.homeContext.pointers[Squeak.Context_tempFrameStart+t]);break;case 2:this.push(this.method.methodGetLiteral(t));break;case 3:this.push(this.method.methodGetLiteral(t).pointers[Squeak.Assn_value])}},extendedStore:function(e){var t=63&e;switch(e>>6){case 0:this.receiver.dirty=!0,this.receiver.pointers[t]=this.top();break;case 1:this.homeContext.pointers[Squeak.Context_tempFrameStart+t]=this.top();break;case 2:this.nono();break;case 3:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.top()}},extendedStorePop:function(e){var t=63&e;switch(e>>6){case 0:this.receiver.dirty=!0,this.receiver.pointers[t]=this.pop();break;case 1:this.homeContext.pointers[Squeak.Context_tempFrameStart+t]=this.pop();break;case 2:this.nono();break;case 3:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.pop()}},doubleExtendedDoAnything:function(e){var t=this.nextByte();switch(e>>5){case 0:this.send(this.method.methodGetSelector(t),31&e,!1);break;case 1:this.send(this.method.methodGetSelector(t),31&e,!0);break;case 2:this.push(this.receiver.pointers[t]);break;case 3:this.push(this.method.methodGetLiteral(t));break;case 4:this.push(this.method.methodGetLiteral(t).pointers[Squeak.Assn_value]);break;case 5:this.receiver.dirty=!0,this.receiver.pointers[t]=this.top();break;case 6:this.receiver.dirty=!0,this.receiver.pointers[t]=this.pop();break;case 7:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.top()}},jumpIfTrue:function(e){var t=this.pop();t.isTrue?this.pc+=e:t.isFalse||(this.push(t),this.send(this.specialObjects[Squeak.splOb_SelectorMustBeBoolean],0,!1))},jumpIfFalse:function(e){var t=this.pop();t.isFalse?this.pc+=e:t.isTrue||(this.push(t),this.send(this.specialObjects[Squeak.splOb_SelectorMustBeBoolean],0,!1))},sendSpecial:function(e){this.send(this.specialSelectors[2*e],this.specialSelectors[2*e+1],!1)},callPrimBytecode:function(e){this.pc+=2,this.primFailCode&&(this.method.bytes[this.pc]===e&&this.stackTopPut(this.getErrorObjectFromPrimFailCode()),this.primFailCode=0)},getErrorObjectFromPrimFailCode:function(){var e=this.specialObjects[Squeak.splOb_PrimErrTableIndex];if(e&&e.pointers){e=e.pointers[this.primFailCode-1];if(e)return e}return this.primFailCode}},"closures",{pushNewArray:function(e){var t=127<e,i=127&e,r=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],i);if(t){for(var s=0;s<i;s++)r.pointers[s]=this.stackValue(i-s-1);this.popN(i)}this.push(r)},pushClosureCopy:function(){var e=this.nextByte(),t=15&e,i=e>>4,e=256*this.nextByte()+this.nextByte(),r=this.encodeSqueakPC(this.pc,this.method),s=this.newClosure(t,r,i);if(s.pointers[Squeak.Closure_outerContext]=this.activeContext,(this.reclaimableContextCount=0)<i){for(var n=0;n<i;n++)s.pointers[Squeak.Closure_firstCopiedValue+n]=this.stackValue(i-n-1);this.popN(i)}this.pc+=e,this.push(s)},pushClosureCopyExtended:function(e,t){var i=this.nextByte(),r=this.nextByte(),s=(7&i)+8*this.mod(e,16),n=(i>>3&7)+8*this.div(e,16),i=r+(t<<8),e=this.encodeSqueakPC(this.pc,this.method),a=this.newClosure(s,e,n);if(a.pointers[Squeak.Closure_outerContext]=this.activeContext,(this.reclaimableContextCount=0)<n){for(var o=0;o<n;o++)a.pointers[Squeak.Closure_firstCopiedValue+o]=this.stackValue(n-o-1);this.popN(n)}this.pc+=i,this.push(a)},pushFullClosure:function(e){var t=this.nextByte(),i=this.nextByte(),r=63&i,s=1==(i>>6&1)?this.vm.nilObj:this.activeContext,t=this.method.methodGetLiteral(t+(e<<8)),n=this.newFullClosure(s,r,t);if(1==(i>>7&1))throw Error("on-stack receiver not yet supported");if(n.pointers[Squeak.ClosureFull_receiver]=this.receiver,(this.reclaimableContextCount=0)<r){for(var a=0;a<r;a++)n.pointers[Squeak.ClosureFull_firstCopiedValue+a]=this.stackValue(r-a-1);this.popN(r)}this.push(n)},newClosure:function(e,t,i){i=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassBlockClosure],i);return i.pointers[Squeak.Closure_startpc]=t,i.pointers[Squeak.Closure_numArgs]=e,i},newFullClosure:function(e,t,i){t=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassFullBlockClosure],t);return t.pointers[Squeak.Closure_outerContext]=e,t.pointers[Squeak.ClosureFull_method]=i,t.pointers[Squeak.Closure_numArgs]=i.methodNumArgs(),t}},"sending",{send:function(e,t,i){var r=this.stackValue(t),s=i?(s=this.method.methodClassForSuper()).pointers[Squeak.Class_superclass]:this.getClass(r),i=this.findSelectorInClass(e,t,s);i.primIndex&&(this.verifyAtSelector=e,this.verifyAtClass=s),this.executeNewMethod(r,i.method,i.argCount,i.primIndex,i.mClass,e)},sendSuperDirected:function(e,t){var i=this.pop().pointers[Squeak.Class_superclass],r=this.stackValue(t),t=this.findSelectorInClass(e,t,i);t.primIndex&&(this.verifyAtSelector=e,this.verifyAtClass=i),this.executeNewMethod(r,t.method,t.argCount,t.primIndex,t.mClass,e)},sendAsPrimitiveFailure:function(e,t,i){this.executeNewMethod(e,t,i,0)},findSelectorInClass:function(e,t,i){this.currentSelector=e;var r=this.findMethodCacheEntry(e,i);if(r.method)return r;for(var s,n,a=i;!a.isNil;){if((n=a.pointers[Squeak.Class_mdict]).isNil)return s=this.specialObjects[Squeak.splOb_SelectorCannotInterpret],o=this.createActualMessage(e,t,i),this.popNandPush(t,o),this.findSelectorInClass(s,1,a.superclass());var o=this.lookupSelectorInDict(n,e);if(!o.isNil)return r.method=o,r.primIndex=o.isMethod()?o.methodPrimitiveIndex():576,r.argCount=t,r.mClass=a,r;a=a.superclass()}var u=this.specialObjects[Squeak.splOb_SelectorDoesNotUnderstand];if(e===u)throw Error("Recursive not understood error encountered");var l,c=this.createActualMessage(e,t,i);return this.breakOnMessageNotUnderstood&&(l=this.stackValue(t),this.breakNow("Message not understood: "+l+" "+i.className()+">>"+e.bytesAsString())),this.popNandPush(t,c),this.findSelectorInClass(u,1,i)},lookupSelectorInDict:function(e,t){for(var i=e.pointersSize(),r=(i-Squeak.MethodDict_selectorStart-1&t.hash)+Squeak.MethodDict_selectorStart,s=!1;;){var n=e.pointers[r];if(n===t)return e.pointers[Squeak.MethodDict_array].pointers[r-Squeak.MethodDict_selectorStart];if(n.isNil)return this.nilObj;if(++r===i){if(s)return this.nilObj;r=Squeak.MethodDict_selectorStart,s=!0}}},executeNewMethod:function(e,t,i,r,s,n){if(this.sendCount++,t===this.breakOnMethod&&this.breakNow("executing method "+this.printMethod(t,s,n)),this.logSends){for(var a=" ",o=this.activeContext;!o.isNil;)a+="| ",o=o.pointers[Squeak.Context_sender];var u=this.activeContext.pointers.slice(this.sp+1-i,this.sp+1);console.log(this.sendCount+a+this.printMethod(t,s,n,u))}if(this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow()),!(0<r&&this.tryPrimitive(r,i,t))){var u=this.allocateOrRecycleContext(t.methodNeedsLargeFrame()),r=t.methodTempCount(),l=Squeak.Context_tempFrameStart+r-1;if(u.pointers[Squeak.Context_method]=t,u.pointers[Squeak.BlockContext_initialIP]=this.nilObj,u.pointers[Squeak.Context_sender]=this.activeContext,this.arrayCopy(this.activeContext.pointers,this.sp-i,u.pointers,Squeak.Context_tempFrameStart-1,i+1),this.arrayFill(u.pointers,Squeak.Context_tempFrameStart+i,Squeak.Context_tempFrameStart+r,this.nilObj),this.popN(i+1),this.reclaimableContextCount++,this.storeContextRegisters(),this.activeContext=u,this.activeContext.dirty=!0,this.homeContext=u,this.method=t,this.pc=0,this.sp=l,this.receiver=u.pointers[Squeak.Context_receiver],this.receiver!==e)throw Error("receivers don't match");!t.compiled&&this.compiler&&this.compiler.compile(t,s,n),this.interruptCheckCounter--<=0&&this.checkForInterrupts()}},doReturn:function(e,t){if(!t){var i,r=this.homeContext;if(this.hasClosures)for(;!(i=r.pointers[Squeak.Context_closure]).isNil;)r=i.pointers[Squeak.Closure_outerContext];t=r.pointers[Squeak.Context_sender]}if(t.isNil||t.pointers[Squeak.Context_instructionPointer].isNil)return this.cannotReturn(e);for(var s,n=this.activeContext.pointers[Squeak.Context_sender];n!==t;){if(n.isNil)return this.cannotReturn(e);if(this.isUnwindMarked(n))return this.aboutToReturnThrough(e,n);n=n.pointers[Squeak.Context_sender]}for(n=this.activeContext;n!==t;)this.breakOnContextReturned===n&&(this.breakOnContextReturned=null,this.breakNow()),s=n.pointers[Squeak.Context_sender],n.pointers[Squeak.Context_sender]=this.nilObj,n.pointers[Squeak.Context_instructionPointer]=this.nilObj,0<this.reclaimableContextCount&&(this.reclaimableContextCount--,this.recycleIfPossible(n)),n=s;this.activeContext=n,this.activeContext.dirty=!0,this.fetchContextRegisters(this.activeContext),this.push(e),this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow())},aboutToReturnThrough:function(e,t){this.push(this.exportThisContext()),this.push(e),this.push(t);e=this.specialObjects[Squeak.splOb_SelectorAboutToReturn];this.send(e,2)},cannotReturn:function(e){this.push(this.exportThisContext()),this.push(e);e=this.specialObjects[Squeak.splOb_SelectorCannotReturn];this.send(e,1)},tryPrimitive:function(e,t,i){if(255<e&&e<520){if(264<=e)this.popNandPush(1,this.top().pointers[e-264]);else{switch(e){case 256:return!0;case 257:return this.popNandPush(1,this.trueObj),!0;case 258:return this.popNandPush(1,this.falseObj),!0;case 259:return this.popNandPush(1,this.nilObj),!0}this.popNandPush(1,e-261)}return!0}var r=this.sp,s=this.activeContext,i=this.primHandler.doPrimitive(e,t,i);return i&&this.sp!==r-t&&s===this.activeContext&&117!==e&&!this.frozen&&this.warnOnce("stack unbalanced after primitive "+e,"error"),i},createActualMessage:function(e,t,i){var r=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMessage],0),s=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],t);return this.arrayCopy(this.activeContext.pointers,this.sp-t+1,s.pointers,0,t),r.pointers[Squeak.Message_selector]=e,r.pointers[Squeak.Message_arguments]=s,r.pointers.length>Squeak.Message_lookupClass&&(r.pointers[Squeak.Message_lookupClass]=i),r},primitivePerform:function(e){var t=this.stackValue(e-1),i=this.stackValue(e),e=e-1,r=this.sp-e,s=this.activeContext.pointers,s=(this.arrayCopy(s,1+r,s,r,e),this.sp--,this.findSelectorInClass(t,e,this.getClass(i)));return this.executeNewMethod(i,s.method,s.argCount,s.primIndex,s.mClass,t),!0},primitivePerformWithArgs:function(e,t){var i=t?3:2,r=this.stackValue(i),s=this.stackValue(i-1),n=this.stackValue(i-2);if(n.sqClass!==this.specialObjects[Squeak.splOb_ClassArray])return!1;var a=t?this.top():this.getClass(r);if(t)for(var o=this.getClass(r);o!==a;)if((o=o.pointers[Squeak.Class_superclass]).isNil)return!1;var t=n.pointersSize(),i=this.sp-(i-1),u=this.activeContext.pointers,n=(this.arrayCopy(n.pointers,0,u,i,t),this.sp+=t-e,this.findSelectorInClass(s,t,a));return this.executeNewMethod(r,n.method,n.argCount,n.primIndex,n.mClass,s),!0},primitiveInvokeObjectAsMethod:function(e,t){for(var i=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],e),r=0;r<e;r++)i.pointers[e-r-1]=this.pop();var s=this.pop(),n=this.currentSelector,a=this.specialObjects[Squeak.splOb_SelectorRunWithIn];return this.push(t),this.push(n),this.push(i),this.push(s),this.send(a,3,!1),!0},findMethodCacheEntry:function(e,t){this.methodCacheRandomish=this.methodCacheRandomish+1&3;for(var i,r=(e.hash^t.hash)&this.methodCacheMask,s=r,n=0;n<4;n++){if((i=this.methodCache[s]).selector===e&&i.lkupClass===t)return i;n===this.methodCacheRandomish&&(r=s),s=s+e.hash&this.methodCacheMask}return(i=this.methodCache[r]).lkupClass=t,i.selector=e,i.method=null,i},flushMethodCache:function(){for(var e=0;e<this.methodCacheSize;e++)this.methodCache[e].selector=null,this.methodCache[e].method=null;return!0},flushMethodCacheForSelector:function(e){for(var t=0;t<this.methodCacheSize;t++)this.methodCache[t].selector===e&&(this.methodCache[t].selector=null,this.methodCache[t].method=null);return!0},flushMethodCacheForMethod:function(e){for(var t=0;t<this.methodCacheSize;t++)this.methodCache[t].method===e&&(this.methodCache[t].selector=null,this.methodCache[t].method=null);return!0},flushMethodCacheAfterBecome:function(e){this.flushMethodCache()}},"contexts",{isUnwindMarked:function(e){return!!this.isMethodContext(e)&&198==e.pointers[Squeak.Context_method].methodPrimitiveIndex()},newActiveContext:function(e){this.storeContextRegisters(),this.activeContext=e,this.activeContext.dirty=!0,this.fetchContextRegisters(e),this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow())},exportThisContext:function(){return this.storeContextRegisters(),this.reclaimableContextCount=0,this.activeContext},fetchContextRegisters:function(e){var t=e.pointers[Squeak.Context_method];this.isSmallInt(t)?(this.homeContext=e.pointers[Squeak.BlockContext_home],t=this.homeContext.pointers[Squeak.Context_method]):this.homeContext=e,this.receiver=this.homeContext.pointers[Squeak.Context_receiver],this.method=t,this.pc=this.decodeSqueakPC(e.pointers[Squeak.Context_instructionPointer],t),this.sp=this.decodeSqueakSP(e.pointers[Squeak.Context_stackPointer])},storeContextRegisters:function(){this.activeContext.pointers[Squeak.Context_instructionPointer]=this.encodeSqueakPC(this.pc,this.method),this.activeContext.pointers[Squeak.Context_stackPointer]=this.encodeSqueakSP(this.sp)},encodeSqueakPC:function(e,t){return e+4*t.pointers.length+1},decodeSqueakPC:function(e,t){return e-4*t.pointers.length-1},encodeSqueakSP:function(e){return e-(Squeak.Context_tempFrameStart-1)},decodeSqueakSP:function(e){return e+(Squeak.Context_tempFrameStart-1)},recycleIfPossible:function(e){this.isMethodContext(e)&&(e.pointersSize()===Squeak.Context_tempFrameStart+Squeak.Context_smallFrameSize?(e.pointers[0]=this.freeContexts,this.freeContexts=e):e.pointersSize()===Squeak.Context_tempFrameStart+Squeak.Context_largeFrameSize&&(e.pointers[0]=this.freeLargeContexts,this.freeLargeContexts=e))},allocateOrRecycleContext:function(e){var t;return e?this.freeLargeContexts.isNil?(this.nAllocatedContexts++,this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMethodContext],Squeak.Context_largeFrameSize)):(t=this.freeLargeContexts,this.freeLargeContexts=t.pointers[0],this.nRecycledContexts++,t):this.freeContexts.isNil?(this.nAllocatedContexts++,this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMethodContext],Squeak.Context_smallFrameSize)):(t=this.freeContexts,this.freeContexts=t.pointers[0],this.nRecycledContexts++,t)}},"stack access",{pop:function(){return this.activeContext.pointers[this.sp--]},popN:function(e){this.sp-=e},push:function(e){this.activeContext.pointers[++this.sp]=e},popNandPush:function(e,t){this.activeContext.pointers[this.sp-=e-1]=t},top:function(){return this.activeContext.pointers[this.sp]},stackTopPut:function(e){this.activeContext.pointers[this.sp]=e},stackValue:function(e){return this.activeContext.pointers[this.sp-e]},stackInteger:function(e){return this.checkSmallInt(this.stackValue(e))},stackIntOrFloat:function(e){e=this.stackValue(e);if("number"==typeof e)return e;if(void 0!==e){if(e.isFloat)return this.resultIsFloat=!0,e.float;var t=e.bytes;if(t&&4==t.length){for(var i=0,r=3;0<=r;r--)i=256*i+t[r];if(e.sqClass===this.specialObjects[Squeak.splOb_ClassLargePositiveInteger])return i;if(e.sqClass===this.specialObjects[Squeak.splOb_ClassLargeNegativeInteger])return-i}}return this.success=!1,0},pop2AndPushIntResult:function(e){return!(!this.success||!this.canBeSmallInt(e)||(this.popNandPush(2,e),0))},pop2AndPushNumResult:function(e){if(this.success){if(this.resultIsFloat)return this.popNandPush(2,this.primHandler.makeFloat(e)),!0;if(e>=Squeak.MinSmallInt&&e<=Squeak.MaxSmallInt)return this.popNandPush(2,e),!0;var t,i;if(-4294967295<=e&&e<=4294967295)return e=(t=e<0)?-e:e,t=t?Squeak.splOb_ClassLargeNegativeInteger:Squeak.splOb_ClassLargePositiveInteger,(i=(t=this.instantiateClass(this.specialObjects[t],4)).bytes)[0]=255&e,i[1]=e>>8&255,i[2]=e>>16&255,i[3]=e>>24&255,this.popNandPush(2,t),!0}return!1},pop2AndPushBoolResult:function(e){return!!this.success&&(this.popNandPush(2,e?this.trueObj:this.falseObj),!0)}},"numbers",{getClass:function(e){return this.isSmallInt(e)?this.specialObjects[Squeak.splOb_ClassInteger]:e.sqClass},canBeSmallInt:function(e){return e>=Squeak.MinSmallInt&&e<=Squeak.MaxSmallInt},isSmallInt:function(e){return"number"==typeof e},checkSmallInt:function(e){return"number"==typeof e?e:(this.success=!1,1)},quickDivide:function(e,t){var i;return 0!==t&&(i=e/t|0)*t===e?i:Squeak.NonSmallInt},div:function(e,t){return 0===t?Squeak.NonSmallInt:Math.floor(e/t)},mod:function(e,t){return 0===t?Squeak.NonSmallInt:e-Math.floor(e/t)*t},safeShift:function(e,t){var i;return t<0?t<-31?e<0?-1:0:e>>-t:31<t?0==e?0:Squeak.NonSmallInt:(i=e<<t)>>t===e?i:Squeak.NonSmallInt}},"utils",{isContext:function(e){return e.sqClass===this.specialObjects[Squeak.splOb_ClassMethodContext]||e.sqClass===this.specialObjects[Squeak.splOb_ClassBlockContext]},isMethodContext:function(e){return e.sqClass===this.specialObjects[Squeak.splOb_ClassMethodContext]},instantiateClass:function(e,t){return this.image.instantiateClass(e,t,this.nilObj)},arrayFill:function(e,t,i,r){for(var s=t;s<i;s++)e[s]=r},arrayCopy:function(e,t,i,r,s){if(e===i&&t<r)for(var n=s-1;0<=n;n--)i[r+n]=e[t+n];else for(n=0;n<s;n++)i[r+n]=e[t+n]},signalLowSpaceIfNecessary:function(e){var t;e<this.lowSpaceThreshold&&0<this.lowSpaceThreshold&&((t=prompt&&prompt("Out of memory, "+Math.ceil(this.image.totalMemory/1e6)+" MB used.\nEnter additional MB, or 0 to signal low space in image","0"))?(t=1e6*parseInt(t,10),this.image.totalMemory+=t,this.signalLowSpaceIfNecessary(this.image.bytesLeft())):(console.warn("squeak: low memory ("+e+"/"+this.image.totalMemory+" bytes left), signaling low space"),this.signalLowSpace=!0,this.lowSpaceThreshold=0,this.specialObjects[Squeak.splOb_ProcessSignalingLowSpace].isNil&&(this.specialObjects[Squeak.splOb_ProcessSignalingLowSpace]=this.primHandler.activeProcess()),this.forceInterruptCheck()))}},"debugging",{addMessage:function(e){return this.messages[e]?++this.messages[e]:this.messages[e]=1},warnOnce:function(e,t){if(1==this.addMessage(e))return console[t||"warn"](e),!0},printMethod:function(r,e,t,i){if(r.sqClass!=this.specialObjects[Squeak.splOb_ClassCompiledMethod])return this.printMethod(r.blockOuterCode(),e,t,i);var s;if(t){var n=e.className()+">>",t=t.bytesAsString();if(i&&i.length)for(var a=t.split(/(?<=:)/),o=0;o<i.length;o++)0<o&&(n+=" "),n+=a[o]+" "+i[o];else n+=t;return n}return r=r||this.activeContext.contextMethod(),this.allMethodsDo(function(e,t,i){if(t===r)return s=e.className()+">>"+i.bytesAsString()}),s||(e?"("+e.pointers[Squeak.Context_receiver]+")>>?":"?>>?")},allInstancesOf:function(e,t){"string"==typeof e&&(e=this.globalNamed(e));for(var i=[],r=this.image.someInstanceOf(e);r;)t?t(r):i.push(r),r=this.image.nextInstanceAfter(r);return i},globalNamed:function(i){return this.allGlobalsDo(function(e,t){if(e.bytesAsString()===i)return t})},allGlobalsDo:function(e){for(var t=this.getGlobals(),i=0;i<t.length;i++){var r=t[i];if(!r.isNil){r=e(r.pointers[0],r.pointers[1]);if(r)return r}}},allMethodsDo:function(h){this.allGlobalsDo(function(e,t){if(t.pointers&&9<=t.pointers.length)for(var i=[t,t.sqClass],r=0;r<i.length;r++){var s=i[r],n=s.pointers[1];if(n.pointers&&n.pointers[1]){var a=n.pointers[1].pointers;if(a){var o=n.pointers;if(a.length+2===o.length)for(var u=0;u<a.length;u++){var l=a[u],c=o[2+u];if(l.isMethod&&l.isMethod())if(c.bytesSize&&c.bytesSize())if(h.call(null,s,l,c))return!0}}}}})},printStack:function(e,t,i){"number"==typeof e&&(t=e,e=null),e=e||this.activeContext,t=t||100;for(var r=[],s=Math.max(t,1e6);!e.isNil&&0<s--;)r.push(e),e=e.pointers[Squeak.Context_sender];r.length>t+200&&(e.isNil||r.push("..."),r=r.slice(0,t).concat(["..."]).concat(r.slice(-200)));var n,a,o=[],u=r.length,l="";for(i&&this.logSends&&(l=Array((""+this.sendCount).length+2).join(" "));0<u--;)(e=r[u]).pointers?(a="","number"==typeof(n=e.pointers[Squeak.Context_method])?(n=e.pointers[Squeak.BlockContext_home].pointers[Squeak.Context_method],a="[] in "):e.pointers[Squeak.Context_closure].isNil||(a="[] in "),a=a+this.printMethod(n,e),o.push((a=i?l+a:a)+"\n"),i&&(l+=i)):o.push("...\n");return o.join("")},findMethod:function(e){var r,s=e.split(">>")[0],n=e.split(">>")[1];return this.allMethodsDo(function(e,t,i){if(n.length==i.bytesSize()&&n==i.bytesAsString()&&s==e.className())return r=t}),r},breakAfter:function(e){this.breakOutTick=this.primHandler.millisecondClockValue()+e},breakNow:function(e){e&&console.log("Break: "+e),this.breakOutOfInterpreter="break"},breakOn:function(e){return this.breakOnMethod=e&&this.findMethod(e)},breakOnReturnFromThisContext:function(){this.breakOnContextChanged=!1,this.breakOnContextReturned=this.activeContext},breakOnSendOrReturn:function(){this.breakOnContextChanged=!0,this.breakOnContextReturned=null},printContext:function(e,t){if(!this.isContext(e))return"NOT A CONTEXT: "+i(e);function i(e){e="number"==typeof e||"object"==typeof e?e.sqInstName():"<"+e+">";return e=(e=JSON.stringify(e).slice(1,-1)).length>t-3?e.slice(0,t-3)+"...":e}t=t||72;for(var r="number"==typeof e.pointers[Squeak.BlockContext_argumentCount],s=e.pointers[Squeak.Context_closure],n=!r&&!s.isNil,a=r?e.pointers[Squeak.BlockContext_home]:e,n=n?s.pointers[Squeak.Closure_numArgs]:a.pointers[Squeak.Context_method].methodTempCount(),o=this.decodeSqueakSP(0),u=a.contextSizeWithStack(this)-1,l=o+1,c=l+n-1,h=l+a.pointers[Squeak.Context_method].methodNumArgs()-1,f="",p=o;p<=u;p++){var d="";p===o?d="=rcvr":(p<=c&&(d="=tmp"+(p-l)),p<=h&&(d+="/arg"+(p-l))),f+="\nctx["+p+"]"+d+": "+i(a.pointers[p])}if(r){f+="\n";var s=e.pointers[Squeak.BlockContext_argumentCount],m=this.decodeSqueakSP(1),h=m+s,v=e===this.activeContext?this.sp:e.pointers[Squeak.Context_stackPointer];v<m&&(f+="\nblk <stack empty>");for(p=m;p<=v;p++)f+="\nblk["+p+"]"+(d=p<h?"=arg"+(p-m):"")+": "+i(e.pointers[p])}return f},printActiveContext:function(e){return this.printContext(this.activeContext,e)},printAllProcesses:function(){for(var e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value],t=e.pointers[Squeak.ProcSched_activeProcess],i="Active: "+this.printProcess(t,!0),r=e.pointers[Squeak.ProcSched_processLists].pointers,s=r.length-1;0<=s;s--)for(var n=r[s].pointers[Squeak.LinkedList_firstLink];!n.isNil;)i=(i+="\n------------------------------------------")+"\nRunnable: "+this.printProcess(n),n=n.pointers[Squeak.Link_nextLink];for(var t=this.specialObjects[Squeak.splOb_ClassSemaphore],a=this.image.someInstanceOf(t),o=[];a;){for(n=a.pointers[Squeak.LinkedList_firstLink];!n.isNil;)o.push(n),n=n.pointers[Squeak.Link_nextLink];a=this.image.nextInstanceAfter(a)}o.sort(function(e,t){return t.pointers[Squeak.Proc_priority]-e.pointers[Squeak.Proc_priority]});for(var u=0;u<o.length;u++)i=(i+="\n------------------------------------------")+"\nWaiting: "+this.printProcess(o[u]);return i},printProcess:function(e,t,i){e||(e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value].pointers[Squeak.ProcSched_activeProcess],t=!0);var t=t?this.activeContext:e.pointers[Squeak.Proc_suspendedContext],r=e.pointers[Squeak.Proc_priority],s=this.printStack(t,20,i),i=i&&this.logSends?"":this.printContext(t)+"\n";return e.toString()+" at priority "+r+"\n"+s+i},printByteCodes:function(e,t,i,r){return e=e||this.method,new Squeak.InstructionPrinter(e,this).printInstructions(t,i,r)},logStack:function(){console.log(this.printStack()+this.printActiveContext()+"\n\n"+this.printByteCodes(this.method,"   ","=> ",this.pc),this.activeContext.pointers.slice(0,this.sp+1))},willSendOrReturn:function(){var e,t=this.method.bytes[this.pc];if(this.method.methodSignFlag()){if(96<=t&&t<=127)i=this.specialSelectors[2*(t-96)];else if(128<=t&&t<=175)i=this.method.methodGetSelector(15&t);else if(234==t||235==t)this.method.methodGetSelector(this.method.bytes[this.pc+1]>>3);else if(88<=t&&t<=94)return!0}else{if(120<=t&&t<=125)return!0;if(t<131||200==t)return!1;if(176<=t)return!0;if(t<=134){if(132===t){if(1<this.method.bytes[this.pc+1]>>5)return!1;e=this.method.bytes[this.pc+2]}else e=this.method.bytes[this.pc+1]&(134===t?63:31);var i=this.method.methodGetLiteral(e);if("blockCopy:"!==i.bytesAsString())return!0}}return!1},nextSendSelector:function(){var e,t,i=this.method.bytes[this.pc];if(this.method.methodSignFlag())if(96<=i&&i<=127)e=this.specialSelectors[2*(i-96)];else if(128<=i&&i<=175)e=this.method.methodGetSelector(15&i);else{if(234!=i&&235!=i)return null;this.method.methodGetSelector(this.method.bytes[this.pc+1]>>3)}else{if(i<131||200==i)return null;if(208<=i)e=this.method.methodGetLiteral(15&i);else if(176<=i)e=this.specialSelectors[2*(i-176)];else if(i<=134){if(132===i){if(1<this.method.bytes[this.pc+1]>>5)return null;t=this.method.bytes[this.pc+2]}else t=this.method.bytes[this.pc+1]&(134===i?63:31);e=this.method.methodGetLiteral(t)}}if(e){i=e.bytesAsString();if("blockCopy:"!==i)return i}}}),Object.subclass("Squeak.InterpreterProxy","initialization",{VM_PROXY_MAJOR:1,VM_PROXY_MINOR:11,initialize:function(t){this.vm=t,this.remappableOops=[],Object.defineProperty(this,"successFlag",{get:function(){return t.primHandler.success},set:function(e){t.primHandler.success=e}})},majorVersion:function(){return this.VM_PROXY_MAJOR},minorVersion:function(){return this.VM_PROXY_MINOR}},"success",{failed:function(){return!this.successFlag},primitiveFail:function(){this.successFlag=!1},primitiveFailFor:function(e){this.successFlag=!1},success:function(e){e||(this.successFlag=!1)}},"stack access",{pop:function(e){this.vm.popN(e)},popthenPush:function(e,t){this.vm.popNandPush(e,t)},push:function(e){this.vm.push(e)},pushBool:function(e){this.vm.push(e?this.vm.trueObj:this.vm.falseObj)},pushInteger:function(e){this.vm.push(e)},pushFloat:function(e){this.vm.push(this.floatObjectOf(e))},stackValue:function(e){return this.vm.stackValue(e)},stackIntegerValue:function(e){e=this.vm.stackValue(e);return"number"==typeof e?e:(this.successFlag=!1,0)},stackFloatValue:function(e){this.vm.success=!0;e=this.vm.stackIntOrFloat(e);return this.vm.success?e:(this.successFlag=!1,0)},stackObjectValue:function(e){e=this.vm.stackValue(e);return"number"!=typeof e?e:(this.successFlag=!1,this.vm.nilObj)},stackBytes:function(e){e=this.vm.stackValue(e);return e.bytes||("number"!=typeof e&&e.isBytes()||(this.successFlag=!1),[])},stackWords:function(e){e=this.vm.stackValue(e);return e.words||("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackInt32Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsInt32Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackInt16Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsInt16Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackUint16Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsUint16Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])}},"object access",{isBytes:function(e){return"number"!=typeof e&&e.isBytes()},isWords:function(e){return"number"!=typeof e&&e.isWords()},isWordsOrBytes:function(e){return"number"!=typeof e&&e.isWordsOrBytes()},isPointers:function(e){return"number"!=typeof e&&e.isPointers()},isIntegerValue:function(e){return"number"==typeof e&&-1073741824<=e&&e<=1073741823},isArray:function(e){return e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassArray]},isMemberOf:function(e,t){var i=e.sqClass.pointers[Squeak.Class_name].bytes;if(t.length!==i.length)return!1;for(var r=0;r<t.length;r++)if(t.charCodeAt(r)!==i[r])return!1;return!0},booleanValueOf:function(e){return!!e.isTrue||(e.isFalse||(this.successFlag=!1),!1)},positive32BitValueOf:function(e){return this.vm.primHandler.positive32BitValueOf(e)},positive32BitIntegerFor:function(e){return this.vm.primHandler.pos32BitIntFor(e)},floatValueOf:function(e){return e.isFloat?e.float:(this.successFlag=!1,0)},floatObjectOf:function(e){return this.vm.primHandler.makeFloat(e)},fetchPointerofObject:function(e,t){return t.pointers[e]},fetchBytesofObject:function(e,t){t=t.pointers[e];return t.bytes||(t.words?t.wordsAsUint8Array():("number"!=typeof t&&t.isWordsOrBytes()||(this.successFlag=!1),[]))},fetchWordsofObject:function(e,t){t=t.pointers[e];return t.words||("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchInt32ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsInt32Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchInt16ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsInt16Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchUint16ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsUint16Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchIntegerofObject:function(e,t){t=t.pointers[e];return"number"==typeof t?t:(this.successFlag=!1,0)},fetchLong32ofObject:function(e,t){return t.words[e]},fetchFloatofObject:function(e,t){return this.floatValueOf(t.pointers[e])},storeIntegerofObjectwithValue:function(e,t,i){"number"==typeof i?t.pointers[e]=i:this.successFlag=!1},storePointerofObjectwithValue:function(e,t,i){t.pointers[e]=i},stObjectatput:function(e,t,i){if(e.sqClass!==this.classArray())throw Error("Array expected");if(t<1||t>=e.pointers.length)return this.successFlag=!1;e.pointers[t]=i}},"constant access",{isKindOfInteger:function(e){return"number"==typeof e||e.sqClass==this.classLargeNegativeInteger()||e.sqClass==this.classLargePositiveInteger()},classArray:function(){return this.vm.specialObjects[Squeak.splOb_ClassArray]},classBitmap:function(){return this.vm.specialObjects[Squeak.splOb_ClassBitmap]},classSmallInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassInteger]},classLargePositiveInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassLargePositiveInteger]},classLargeNegativeInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassLargeNegativeInteger]},classPoint:function(){return this.vm.specialObjects[Squeak.splOb_ClassPoint]},classString:function(){return this.vm.specialObjects[Squeak.splOb_ClassString]},classByteArray:function(){return this.vm.specialObjects[Squeak.splOb_ClassByteArray]},nilObject:function(){return this.vm.nilObj},falseObject:function(){return this.vm.falseObj},trueObject:function(){return this.vm.trueObj}},"vm functions",{clone:function(e){return this.vm.image.clone(e)},instantiateClassindexableSize:function(e,t){return this.vm.instantiateClass(e,t)},methodArgumentCount:function(){return this.argCount},makePointwithxValueyValue:function(e,t){return this.vm.primHandler.makePointWithXandY(e,t)},pushRemappableOop:function(e){this.remappableOops.push(e)},popRemappableOop:function(){return this.remappableOops.pop()},showDisplayBitsLeftTopRightBottom:function(e,t,i,r,s){t<r&&i<s&&this.vm.primHandler.displayDirty(e,{left:t,top:i,right:r,bottom:s})},ioLoadFunctionFrom:function(e,t){return this.vm.primHandler.loadFunctionFrom(e,t)}}),Object.subclass("Squeak.InstructionStream","initialization",{initialize:function(e,t){this.vm=t,this.method=e,this.pc=0,this.specialConstants=[t.trueObj,t.falseObj,t.nilObj,-1,0,1,2]}},"decoding",{interpretNextInstructionFor:function(e){var t=this.method,i=t.bytes[this.pc++],r=i/16|0,s=i%16;if(0==r)return e.pushReceiverVariable(s);if(1==r)return e.pushTemporaryVariable(s);if(2==r)return e.pushConstant(t.methodGetLiteral(s));if(3==r)return e.pushConstant(t.methodGetLiteral(16+s));if(4==r)return e.pushLiteralVariable(t.methodGetLiteral(s));if(5==r)return e.pushLiteralVariable(t.methodGetLiteral(16+s));if(6==r)return s<8?e.popIntoReceiverVariable(s):e.popIntoTemporaryVariable(s-8);if(7==r){if(0==s)return e.pushReceiver();if(s<8)return e.pushConstant(this.specialConstants[s-1]);if(8==s)return e.methodReturnReceiver();if(s<12)return e.methodReturnConstant(this.specialConstants[s-9]);if(12==s)return e.methodReturnTop();if(13==s)return e.blockReturnTop();if(13<s)throw Error("unusedBytecode")}return 8==r?this.interpretExtension(s,t,e):9==r?s<8?e.jump(1+s):e.jumpIf(!1,s-8+1):10==r?(i=this.method.bytes[this.pc++],s<8?e.jump(256*(s-4)+i):e.jumpIf(s<12,256*(3&s)+i)):11==r?e.send(this.vm.specialSelectors[2*s],this.vm.specialSelectors[2*s+1],!1):12==r?e.send(this.vm.specialSelectors[2*(16+s)],this.vm.specialSelectors[2*(16+s)+1],!1):12<r?e.send(t.methodGetLiteral(s),r-13,!1):void 0},interpretExtension:function(e,t,i){if(e<=6){var r=this.method.bytes[this.pc++];if(e<=2){var s=r/64|0,n=r%64;if(0===e){if(0===s)return i.pushReceiverVariable(n);if(1===s)return i.pushTemporaryVariable(n);if(2===s)return i.pushConstant(this.method.methodGetLiteral(n));if(3===s)return i.pushLiteralVariable(this.method.methodGetLiteral(n))}if(1===e){if(0===s)return i.storeIntoReceiverVariable(n);if(1===s)return i.storeIntoTemporaryVariable(n);if(2===s)throw Error("illegalStore");if(3===s)return i.storeIntoLiteralVariable(this.method.methodGetLiteral(n))}if(2===e){if(0===s)return i.popIntoReceiverVariable(n);if(1===s)return i.popIntoTemporaryVariable(n);if(2===s)throw Error("illegalStore");if(3===s)return i.popIntoLiteralVariable(this.method.methodGetLiteral(n))}}if(3===e)return i.send(this.method.methodGetLiteral(r%32),r/32|0,!1);if(4===e){var a=this.method.bytes[this.pc++];if(0===(s=r/32|0))return i.send(this.method.methodGetLiteral(a),r%32,!1);if(1===s)return i.send(this.method.methodGetLiteral(a),r%32,!0);if(2===s)return i.pushReceiverVariable(a);if(3===s)return i.pushConstant(this.method.methodGetLiteral(a));if(4===s)return i.pushLiteralVariable(this.method.methodGetLiteral(a));if(5===s)return i.storeIntoReceiverVariable(a);if(6===s)return i.popIntoReceiverVariable(a);if(7===s)return i.storeIntoLiteralVariable(this.method.methodGetLiteral(a))}if(5===e)return i.send(this.method.methodGetLiteral(31&r),r>>5,!0);if(6===e)return i.send(this.method.methodGetLiteral(63&r),r>>6,!1)}return 7===e?i.doPop():8===e?i.doDup():9===e?i.pushActiveContext():(r=this.method.bytes[this.pc++],10===e?r<128?i.pushNewArray(r):i.popIntoNewArray(r-128):(a=this.method.bytes[this.pc++],11===e?i.callPrimitive(r+256*a):12===e?i.pushRemoteTemp(r,a):13===e?i.storeIntoRemoteTemp(r,a):14===e?i.popIntoRemoteTemp(r,a):(n=this.method.bytes[this.pc++],i.pushClosureCopy(r>>4,15&r,256*a+n))))}}),Squeak.InstructionStream.subclass("Squeak.InstructionStreamSista","decoding",{interpretNextInstructionFor:function(e){return this.interpretNextInstructionExtFor(e,0,0)},interpretNextInstructionExtFor:function(e,t,i){this.Squeak;var r=this.method.bytes[this.pc++];switch(r){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return e.pushReceiverVariable(15&r);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return e.pushLiteralVariable(this.method.methodGetLiteral(15&r));case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return e.pushConstant(this.method.methodGetLiteral(31&r));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:return e.pushTemporaryVariable(15&r);case 72:case 73:case 74:case 75:return e.pushTemporaryVariable(8+(3&r));case 76:return e.pushReceiver();case 77:return e.pushConstant(this.vm.trueObj);case 78:return e.pushConstant(this.vm.falseObj);case 79:return e.pushConstant(this.vm.nilObj);case 80:return e.pushConstant(0);case 81:return e.pushConstant(1);case 82:return e.pushActiveContext();case 83:return e.doDup();case 88:return e.methodReturnReceiver();case 89:return e.methodReturnConstant(this.vm.trueObj);case 90:return e.methodReturnConstant(this.vm.falseObj);case 91:return e.methodReturnConstant(this.vm.nilObj);case 92:return e.methodReturnTop();case 93:return e.blockReturnConstant(this.vm.nilObj);case 94:if(0===t)return e.blockReturnTop();break;case 95:return e.nop();case 96:case 97:case 98:case 99:case 100:case 101:case 102:case 103:case 104:case 105:case 106:case 107:case 108:case 109:case 110:case 111:case 112:case 113:case 114:case 115:case 116:case 117:case 118:case 119:case 120:case 121:case 122:case 123:case 124:case 125:case 126:case 127:return e.send(this.vm.specialSelectors[2*(r-96)],this.vm.specialSelectors[2*(r-96)+1],!1);case 128:case 129:case 130:case 131:case 132:case 133:case 134:case 135:case 136:case 137:case 138:case 139:case 140:case 141:case 142:case 143:return e.send(this.method.methodGetLiteral(15&r),0,!1);case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return e.send(this.method.methodGetLiteral(15&r),1,!1);case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:case 168:case 169:case 170:case 171:case 172:case 173:case 174:case 175:return e.send(this.method.methodGetLiteral(15&r),2,!1);case 176:case 177:case 178:case 179:case 180:case 181:case 182:case 183:return e.jump(1+(7&r));case 184:case 185:case 186:case 187:case 188:case 189:case 190:case 191:return e.jumpIf(!0,1+(7&r));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:return e.jumpIf(!1,1+(7&r));case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return e.popIntoReceiverVariable(7&r);case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:return e.popIntoTemporaryVariable(r-208);case 216:return e.doPop()}var s=this.method.bytes[this.pc++];switch(r){case 224:return this.interpretNextInstructionExtFor(e,(t<<8)+s,i);case 225:return this.interpretNextInstructionExtFor(e,t,(i<<8)+(s<128?s:s-256));case 226:return e.pushReceiverVariable(s+(t<<8));case 227:return e.pushLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 228:return e.pushConstant(this.method.methodGetLiteral(s+(t<<8)));case 229:return e.pushTemporaryVariable(s);case 231:return s<128?e.pushNewArray(s):e.popIntoNewArray(s-128);case 232:return e.pushConstant(s+(i<<8));case 233:return e.pushConstant("$"+s+(i<<8));case 234:return e.send(this.method.methodGetSelector((s>>3)+(t<<5)),(7&s)+(i<<3),!1);case 235:var n=this.method.methodGetSelector((s>>3)+(t<<5));return 64<=i?e.sendSuperDirected(n):e.send(n,(7&s)+(i<<3),!0);case 237:return e.jump(s+(i<<8));case 238:return e.jumpIf(!0,s+(i<<8));case 239:return e.jumpIf(!1,s+(i<<8));case 240:return e.popIntoReceiverVariable(s+(t<<8));case 241:return e.popIntoLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 242:return e.popIntoTemporaryVariable(s);case 243:return e.storeIntoReceiverVariable(s+(t<<8));case 244:return e.storeIntoLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 245:return e.storeIntoTemporaryVariable(s)}var a=this.method.bytes[this.pc++];switch(r){case 248:return e.callPrimitive(s+(a<<8));case 249:var o=s+(t<<8),u=63&a,l=this.method.methodGetLiteral(o);return e.pushFullClosure(o,u,l.methodNumArgs());case 250:o=(7&s)+8*this.mod(t,16),u=(s>>3&7)+8*this.div(t,16);return e.pushClosureCopy(u,o,a+(i<<8));case 251:return e.pushRemoteTemp(s,a);case 252:return e.storeIntoRemoteTemp(s,a);case 253:return e.popIntoRemoteTemp(s,a)}throw Error("Unknown bytecode: "+r)}}),Object.subclass("Squeak.InstructionPrinter","initialization",{initialize:function(e,t){this.method=e,this.vm=t}},"printing",{printInstructions:function(e,t,i){this.indent=e,this.highlight=t,this.highlightPC=i,this.innerIndents={},this.result="",this.scanner=new(this.method.methodSignFlag()?Squeak.InstructionStreamSista:Squeak.InstructionStream)(this.method,this.vm),this.oldPC=this.scanner.pc,this.endPC=0,this.done=!1;try{for(;!this.done;)this.scanner.interpretNextInstructionFor(this)}catch(e){this.print("!!! "+e.message)}return this.result},print:function(e){this.oldPC===this.highlightPC?this.highlight&&(this.result+=this.highlight):this.indent&&(this.result+=this.indent),this.result+=this.oldPC;for(var t=0;t<this.innerIndents[this.oldPC];t++)this.result+="   ";this.result+=" <";for(t=this.oldPC;t<this.scanner.pc;t++)t>this.oldPC&&(this.result+=" "),this.result+=(this.method.bytes[t]+256).toString(16).substr(-2).toUpperCase();this.result+="> "+e+"\n",this.oldPC=this.scanner.pc}},"decoding",{blockReturnConstant:function(e){this.print("blockReturn: "+e.toString())},blockReturnTop:function(){this.print("blockReturn")},doDup:function(){this.print("dup")},doPop:function(){this.print("pop")},jump:function(e){this.print("jumpTo: "+(this.scanner.pc+e)),this.scanner.pc+e>this.endPC&&(this.endPC=this.scanner.pc+e)},jumpIf:function(e,t){this.print((e?"jumpIfTrue: ":"jumpIfFalse: ")+(this.scanner.pc+t)),this.scanner.pc+t>this.endPC&&(this.endPC=this.scanner.pc+t)},methodReturnReceiver:function(){this.print("return: receiver"),this.done=this.scanner.pc>this.endPC},methodReturnTop:function(){this.print("return: topOfStack"),this.done=this.scanner.pc>this.endPC},methodReturnConstant:function(e){this.print("returnConst: "+e.toString()),this.done=this.scanner.pc>this.endPC},nop:function(){this.print("nop")},popIntoLiteralVariable:function(e){this.print("popIntoBinding: "+e.assnKeyAsString())},popIntoReceiverVariable:function(e){this.print("popIntoInstVar: "+e)},popIntoTemporaryVariable:function(e){this.print("popIntoTemp: "+e)},pushActiveContext:function(){this.print("push: thisContext")},pushConstant:function(e){e=e.sqInstName?e.sqInstName():e.toString();this.print("pushConst: "+e)},pushLiteralVariable:function(e){this.print("pushBinding: "+e.assnKeyAsString())},pushReceiver:function(){this.print("push: self")},pushReceiverVariable:function(e){this.print("pushInstVar: "+e)},pushTemporaryVariable:function(e){this.print("pushTemp: "+e)},send:function(e,t,i){this.print((i?"superSend: #":"send: #")+(e.bytesAsString?e.bytesAsString():e))},sendSuperDirected:function(e){this.print("directedSuperSend: #"+(e.bytesAsString?e.bytesAsString():e))},storeIntoLiteralVariable:function(e){this.print("storeIntoBinding: "+e.assnKeyAsString())},storeIntoReceiverVariable:function(e){this.print("storeIntoInstVar: "+e)},storeIntoTemporaryVariable:function(e){this.print("storeIntoTemp: "+e)},pushNewArray:function(e){this.print("push: (Array new: "+e+")")},popIntoNewArray:function(e){this.print("pop: "+e+" into: (Array new: "+e+")")},pushRemoteTemp:function(e,t){this.print("push: "+e+" ofTemp: "+t)},storeIntoRemoteTemp:function(e,t){this.print("storeInto: "+e+" ofTemp: "+t)},popIntoRemoteTemp:function(e,t){this.print("popInto: "+e+" ofTemp: "+t)},pushClosureCopy:function(e,t,i){var r=this.scanner.pc,s=r+i;this.print("closure("+r+"-"+(s-1)+"): "+e+" copied, "+t+" args");for(var n=r;n<s;n++)this.innerIndents[n]=(this.innerIndents[n]||0)+1;s>this.endPC&&(this.endPC=s)},pushFullClosure:function(e,t,i){this.print("pushFullClosure: (self literalAt: "+e+") numCopied: "+t+" numArgs: "+i)},callPrimitive:function(e){this.print("primitive: "+e)}}),Object.subclass("Squeak.Primitives","initialization",{initialize:function(e,t){this.vm=e,this.oldPrims=!this.vm.image.hasClosures,this.allowAccessBeyondSP=this.oldPrims,this.deferDisplayUpdates=!1,this.semaphoresToSignal=[],this.initDisplay(t),this.initAtCache(),this.initModules(),this.initPlugins(),e.image.isSpur&&(this.charFromInt=this.charFromIntSpur,this.charToInt=this.charToIntSpur,this.identityHash=this.identityHashSpur)},initDisplay:function(e){this.display=e},initModules:function(){this.loadedModules={},this.builtinModules={},this.patchModules={},this.interpreterProxy=new Squeak.InterpreterProxy(this.vm)},initPlugins:function(){}},"dispatch",{quickSendOther:function(e,t){switch(this.success=!0,t){case 0:return this.popNandPushIfOK(2,this.objectAt(!0,!0,!1));case 1:return this.popNandPushIfOK(3,this.objectAtPut(!0,!0,!1));case 2:return this.popNandPushIfOK(1,this.objectSize(!0));case 6:return this.popNandPushBoolIfOK(2,this.vm.stackValue(1)===this.vm.stackValue(0));case 7:return this.popNandPushIfOK(1,this.vm.getClass(this.vm.top()));case 8:return this.popNandPushIfOK(2,this.doBlockCopy());case 9:return this.primitiveBlockValue(0);case 10:return this.primitiveBlockValue(1)}return!1},doPrimitive:function(e,t,i){switch(this.success=!0,e){case 1:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)+this.stackInteger(0));case 2:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)-this.stackInteger(0));case 3:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)<this.stackInteger(0));case 4:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)>this.stackInteger(0));case 5:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)<=this.stackInteger(0));case 6:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)>=this.stackInteger(0));case 7:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)===this.stackInteger(0));case 8:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)!==this.stackInteger(0));case 9:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)*this.stackInteger(0));case 10:return this.popNandPushIntIfOK(t+1,this.vm.quickDivide(this.stackInteger(1),this.stackInteger(0)));case 11:return this.popNandPushIntIfOK(t+1,this.vm.mod(this.stackInteger(1),this.stackInteger(0)));case 12:return this.popNandPushIntIfOK(t+1,this.vm.div(this.stackInteger(1),this.stackInteger(0)));case 13:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)/this.stackInteger(0)|0);case 14:return this.popNandPushIfOK(t+1,this.doBitAnd());case 15:return this.popNandPushIfOK(t+1,this.doBitOr());case 16:return this.popNandPushIfOK(t+1,this.doBitXor());case 17:return this.popNandPushIfOK(t+1,this.doBitShift());case 18:return this.primitiveMakePoint(t,!1);case 19:return!1;case 20:return this.vm.warnOnce("missing primitive: 20 (primitiveRemLargeIntegers)"),!1;case 21:return this.vm.warnOnce("missing primitive: 21 (primitiveAddLargeIntegers)"),!1;case 22:return this.vm.warnOnce("missing primitive: 22 (primitiveSubtractLargeIntegers)"),!1;case 23:return this.primitiveLessThanLargeIntegers(t);case 24:return this.primitiveGreaterThanLargeIntegers(t);case 25:return this.primitiveLessOrEqualLargeIntegers(t);case 26:return this.primitiveGreaterOrEqualLargeIntegers(t);case 27:return this.primitiveEqualLargeIntegers(t);case 28:return this.primitiveNotEqualLargeIntegers(t);case 29:return this.vm.warnOnce("missing primitive: 29 (primitiveMultiplyLargeIntegers)"),!1;case 30:return this.vm.warnOnce("missing primitive: 30 (primitiveDivideLargeIntegers)"),!1;case 31:return this.vm.warnOnce("missing primitive: 31 (primitiveModLargeIntegers)"),!1;case 32:return this.vm.warnOnce("missing primitive: 32 (primitiveDivLargeIntegers)"),!1;case 33:return this.vm.warnOnce("missing primitive: 33 (primitiveQuoLargeIntegers)"),!1;case 34:return this.vm.warnOnce("missing primitive: 34 (primitiveBitAndLargeIntegers)"),!1;case 35:return this.vm.warnOnce("missing primitive: 35 (primitiveBitOrLargeIntegers)"),!1;case 36:return this.vm.warnOnce("missing primitive: 36 (primitiveBitXorLargeIntegers)"),!1;case 37:return this.vm.warnOnce("missing primitive: 37 (primitiveBitShiftLargeIntegers)"),!1;case 38:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 39:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 40:return this.popNandPushFloatIfOK(t+1,this.stackInteger(0));case 41:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)+this.stackFloat(0));case 42:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)-this.stackFloat(0));case 43:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)<this.stackFloat(0));case 44:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)>this.stackFloat(0));case 45:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)<=this.stackFloat(0));case 46:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)>=this.stackFloat(0));case 47:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)===this.stackFloat(0));case 48:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)!==this.stackFloat(0));case 49:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)*this.stackFloat(0));case 50:return this.popNandPushFloatIfOK(t+1,this.safeFDiv(this.stackFloat(1),this.stackFloat(0)));case 51:return this.popNandPushIfOK(t+1,this.floatAsSmallInt(this.stackFloat(0)));case 52:return this.popNandPushFloatIfOK(t+1,this.floatFractionPart(this.stackFloat(0)));case 53:return this.popNandPushIntIfOK(t+1,this.frexp_exponent(this.stackFloat(0))-1);case 54:return this.popNandPushFloatIfOK(t+1,this.ldexp(this.stackFloat(1),this.stackFloat(0)));case 55:return this.popNandPushFloatIfOK(t+1,Math.sqrt(this.stackFloat(0)));case 56:return this.popNandPushFloatIfOK(t+1,Math.sin(this.stackFloat(0)));case 57:return this.popNandPushFloatIfOK(t+1,Math.atan(this.stackFloat(0)));case 58:return this.popNandPushFloatIfOK(t+1,Math.log(this.stackFloat(0)));case 59:return this.popNandPushFloatIfOK(t+1,Math.exp(this.stackFloat(0)));case 60:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 61:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 62:return this.popNandPushIfOK(t+1,this.objectSize(!1));case 63:return this.popNandPushIfOK(t+1,this.objectAt(!1,!0,!1));case 64:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!0,!1));case 65:return this.vm.warnOnce("missing primitive: 65 (primitiveNext)"),!1;case 66:return this.vm.warnOnce("missing primitive: 66 (primitiveNextPut)"),!1;case 67:return this.vm.warnOnce("missing primitive: 67 (primitiveAtEnd)"),!1;case 68:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 69:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 70:return this.popNandPushIfOK(t+1,this.instantiateClass(this.stackNonInteger(0),0));case 71:return this.popNandPushIfOK(t+1,this.instantiateClass(this.stackNonInteger(1),this.stackPos32BitInt(0)));case 72:return this.primitiveArrayBecome(t,!1,!0);case 73:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 74:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 75:return this.popNandPushIfOK(t+1,this.identityHash(this.stackNonInteger(0)));case 76:return this.primitiveStoreStackp(t);case 77:return this.popNandPushIfOK(t+1,this.someInstanceOf(this.stackNonInteger(0)));case 78:return this.popNandPushIfOK(t+1,this.nextInstanceAfter(this.stackNonInteger(0)));case 79:return this.primitiveNewMethod(t);case 80:return this.popNandPushIfOK(t+1,this.doBlockCopy());case 81:return this.primitiveBlockValue(t);case 82:return this.primitiveBlockValueWithArgs(t);case 83:return this.vm.primitivePerform(t);case 84:return this.vm.primitivePerformWithArgs(t,!1);case 85:return this.primitiveSignal();case 86:return this.primitiveWait();case 87:return this.primitiveResume();case 88:return this.primitiveSuspend();case 89:return this.vm.flushMethodCache();case 90:return this.primitiveMousePoint(t);case 91:return this.primitiveTestDisplayDepth(t);case 92:return this.vm.warnOnce("missing primitive: 92 (primitiveSetDisplayMode)"),!1;case 93:return this.primitiveInputSemaphore(t);case 94:return this.primitiveGetNextEvent(t);case 95:return this.primitiveInputWord(t);case 96:return this.namedPrimitive("BitBltPlugin","primitiveCopyBits",t);case 97:return this.primitiveSnapshot(t);case 98:return this.primitiveStoreImageSegment(t);case 99:return this.primitiveLoadImageSegment(t);case 100:return this.vm.primitivePerformWithArgs(t,!0);case 101:return this.primitiveBeCursor(t);case 102:return this.primitiveBeDisplay(t);case 103:return this.primitiveScanCharacters(t);case 104:return this.vm.warnOnce("missing primitive: 104 (primitiveDrawLoop)"),!1;case 105:return this.popNandPushIfOK(t+1,this.doStringReplace());case 106:return this.primitiveScreenSize(t);case 107:return this.primitiveMouseButtons(t);case 108:return this.primitiveKeyboardNext(t);case 109:return this.primitiveKeyboardPeek(t);case 110:return this.popNandPushBoolIfOK(t+1,this.vm.stackValue(1)===this.vm.stackValue(0));case 111:return this.popNandPushIfOK(t+1,this.vm.getClass(this.vm.top()));case 112:return this.popNandPushIfOK(t+1,this.vm.image.bytesLeft());case 113:return this.primitiveQuit(t);case 114:return this.primitiveExitToDebugger(t);case 115:return this.primitiveChangeClass(t);case 116:return this.vm.flushMethodCacheForMethod(this.vm.top());case 117:return this.doNamedPrimitive(t,i);case 118:return this.primitiveDoPrimitiveWithArgs(t);case 119:return this.vm.flushMethodCacheForSelector(this.vm.top());case 120:return this.primitiveCalloutToFFI(t,i);case 121:return this.primitiveImageName(t);case 122:return this.primitiveReverseDisplay(t);case 123:return this.vm.warnOnce("missing primitive: 123 (primitiveValueUninterruptably)"),!1;case 124:return this.popNandPushIfOK(t+1,this.registerSemaphore(Squeak.splOb_TheLowSpaceSemaphore));case 125:return this.popNandPushIfOK(t+1,this.setLowSpaceThreshold());case 126:return this.primitiveDeferDisplayUpdates(t);case 127:return this.primitiveShowDisplayRect(t);case 128:return this.primitiveArrayBecome(t,!0,!0);case 129:return this.popNandPushIfOK(t+1,this.vm.image.specialObjectsArray);case 130:return this.primitiveFullGC(t);case 131:return this.primitivePartialGC(t);case 132:return this.popNandPushBoolIfOK(t+1,this.pointsTo(this.stackNonInteger(1),this.vm.top()));case 133:return this.popNIfOK(t);case 134:return this.popNandPushIfOK(t+1,this.registerSemaphore(Squeak.splOb_TheInterruptSemaphore));case 135:return this.popNandPushIfOK(t+1,this.millisecondClockValue());case 136:return this.primitiveSignalAtMilliseconds(t);case 137:return this.popNandPushIfOK(t+1,this.secondClock());case 138:return this.popNandPushIfOK(t+1,this.someObject());case 139:return this.popNandPushIfOK(t+1,this.nextObject(this.vm.top()));case 140:return this.primitiveBeep(t);case 141:return this.primitiveClipboardText(t);case 142:return this.popNandPushIfOK(t+1,this.makeStString(this.filenameToSqueak(Squeak.vmPath)));case 143:case 144:return this.primitiveShortAtAndPut(t);case 145:return this.primitiveConstantFill(t);case 146:return this.namedPrimitive("JoystickTabletPlugin","primitiveReadJoystick",t);case 147:return this.namedPrimitive("BitBltPlugin","primitiveWarpBits",t);case 148:return this.popNandPushIfOK(t+1,this.vm.image.clone(this.vm.top()));case 149:return this.primitiveGetAttribute(t);case 150:if(this.oldPrims)return this.primitiveFileAtEnd(t);case 151:if(this.oldPrims)return this.primitiveFileClose(t);case 152:if(this.oldPrims)return this.primitiveFileGetPosition(t);case 153:if(this.oldPrims)return this.primitiveFileOpen(t);case 154:if(this.oldPrims)return this.primitiveFileRead(t);case 155:if(this.oldPrims)return this.primitiveFileSetPosition(t);case 156:if(this.oldPrims)return this.primitiveFileDelete(t);case 157:if(this.oldPrims)return this.primitiveFileSize(t);break;case 158:return this.oldPrims?this.primitiveFileWrite(t):(this.vm.warnOnce("missing primitive: 158 (primitiveCompareWith)"),!1);case 159:return this.oldPrims?this.primitiveFileRename(t):this.popNandPushIntIfOK(t+1,1664525*this.stackSigned53BitInt(0)&268435455);case 160:return this.oldPrims?this.primitiveDirectoryCreate(t):this.primitiveAdoptInstance(t);case 161:return this.oldPrims?this.primitiveDirectoryDelimitor(t):(this.vm.warnOnce("missing primitive: 161 (primitiveSetIdentityHash)"),!1);case 162:if(this.oldPrims)return this.primitiveDirectoryLookup(t);break;case 163:return this.oldPrims?this.primitiveDirectoryDelete(t):(this.vm.warnOnce("missing primitive: 163 (primitiveGetImmutability)"),!1);case 164:return this.popNandPushIfOK(t+1,this.vm.trueObj);case 165:case 166:return this.primitiveIntegerAtAndPut(t);case 167:return!1;case 168:return this.primitiveCopyObject(t);case 169:return this.oldPrims?this.primitiveDirectorySetMacTypeAndCreator(t):this.popNandPushBoolIfOK(t+1,this.vm.stackValue(1)!==this.vm.stackValue(0));case 170:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStart",t):this.primitiveAsCharacter(t);case 171:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStartWithSemaphore",t):this.popNandPushIfOK(t+1,this.stackNonInteger(0).hash);case 172:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStop",t):(this.vm.warnOnce("missing primitive: 172 (primitiveFetchMourner)"),this.popNandPushIfOK(t,this.vm.nilObj));case 173:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundAvailableSpace",t):this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 174:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundPlaySamples",t):this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 175:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundPlaySilence",t):this.vm.image.isSpur?this.popNandPushIfOK(t+1,this.behaviorHash(this.stackNonInteger(0))):(this.vm.warnOnce("primitive 175 called in non-spur image"),this.popNandPushIfOK(t+1,this.identityHash(this.stackNonInteger(0))));case 176:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primWaveTableSoundmixSampleCountintostartingAtpan",t):this.popNandPushIfOK(t+1,this.vm.image.isSpur?4194303:4095);case 177:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primFMSoundmixSampleCountintostartingAtpan",t):this.popNandPushIfOK(t+1,this.allInstancesOf(this.stackNonInteger(0)));case 178:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primPluckedSoundmixSampleCountintostartingAtpan",t):!1;case 179:if(this.oldPrims)return this.namedPrimitive("SoundGenerationPlugin","primSampledSoundmixSampleCountintostartingAtpan",t);break;case 180:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixFMSound",t):!1;case 181:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixPluckedSound",t):this.primitiveSizeInBytesOfInstance(t);case 182:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","oldprimSampledSoundmixSampleCountintostartingAtleftVolrightVol",t):this.primitiveSizeInBytes(t);case 183:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveApplyReverb",t):this.primitiveIsPinned(t);case 184:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixLoopedSampledSound",t):this.primitivePin(t);case 185:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixSampledSound",t):this.primitiveExitCriticalSection(t);case 186:if(this.oldPrims)break;return this.primitiveEnterCriticalSection(t);case 187:if(this.oldPrims)break;return this.primitiveTestAndSetOwnershipOfCriticalSection(t);case 188:if(this.oldPrims)break;return this.primitiveExecuteMethodArgsArray(t);case 189:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundInsertSamples",t):!1;case 190:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundStartRecording",t);case 191:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundStopRecording",t);case 192:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundGetRecordingSampleRate",t);case 193:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundRecordSamples",t);case 194:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundSetRecordLevel",t);break;case 195:case 196:case 197:case 198:case 199:return!1;case 200:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveInitializeNetwork",t):this.primitiveClosureCopyWithCopiedValues(t);case 201:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStartNameLookup",t):this.primitiveClosureValue(t);case 202:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverNameLookupResult",t):this.primitiveClosureValue(t);case 203:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStartAddressLookup",t):this.primitiveClosureValue(t);case 204:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverAddressLookupResult",t):this.primitiveClosureValue(t);case 205:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverAbortLookup",t):this.primitiveClosureValue(t);case 206:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverLocalAddress",t):this.primitiveClosureValueWithArgs(t);case 207:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStatus",t):this.primitiveFullClosureValue(t);case 208:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverError",t):this.primitiveFullClosureValueWithArgs(t);case 209:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketCreate",t):this.primitiveFullClosureValueNoContextSwitch(t);case 210:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketDestroy",t):this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 211:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketConnectionStatus",t):this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 212:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketError",t):this.popNandPushIfOK(t+1,this.objectSize(!1));case 213:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketLocalAddress",t);case 214:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketLocalPort",t);case 215:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketRemoteAddress",t);case 216:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketRemotePort",t);case 217:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketConnectToPort",t);case 218:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketListenWithOrWithoutBacklog",t):(this.vm.warnOnce("missing primitive: 218 (tryNamedPrimitiveInForWithArgs"),!1);case 219:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketCloseConnection",t);case 220:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketAbortConnection",t);break;case 221:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketReceiveDataBufCount",t):this.primitiveClosureValueNoContextSwitch(t);case 222:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketReceiveDataAvailable",t):this.primitiveClosureValueNoContextSwitch(t);case 223:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketSendDataBufCount",t);case 224:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketSendDone",t);case 225:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketAccept",t);break;case 230:return this.primitiveRelinquishProcessorForMicroseconds(t);case 231:return this.primitiveForceDisplayUpdate(t);case 232:return this.vm.warnOnce("missing primitive: 232 (primitiveFormPrint)"),!1;case 233:return this.primitiveSetFullScreen(t);case 234:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveDecompressFromByteArray",t);case 235:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveCompareString",t);case 236:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveConvert8BitSigned",t);case 237:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveCompressToByteArray",t);case 238:if(this.oldPrims)return this.namedPrimitive("SerialPlugin","primitiveSerialPortOpen",t);case 239:if(this.oldPrims)return this.namedPrimitive("SerialPlugin","primitiveSerialPortClose",t);break;case 240:return this.oldPrims?this.namedPrimitive("SerialPlugin","primitiveSerialPortWrite",t):this.popNandPushIfOK(t+1,this.microsecondClockUTC());case 241:return this.oldPrims?this.namedPrimitive("SerialPlugin","primitiveSerialPortRead",t):this.popNandPushIfOK(t+1,this.microsecondClockLocal());case 242:if(this.oldPrims)break;return this.primitiveSignalAtUTCMicroseconds(t);case 243:return this.oldPrims?this.namedPrimitive("MiscPrimitivePlugin","primitiveTranslateStringWithTable",t):(this.vm.warnOnce("missing primitive: 243 (primitiveUpdateTimeZone)"),!1);case 244:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveFindFirstInString",t);case 245:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveIndexOfAsciiInString",t);case 246:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveFindSubstring",t);break;case 248:return this.primitiveArrayBecome(t,!1,!1);case 249:return this.primitiveArrayBecome(t,!1,!0);case 254:return this.primitiveVMParameter(t);case 521:return this.namedPrimitive("MIDIPlugin","primitiveMIDIClosePort",t);case 522:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetClock",t);case 523:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortCount",t);case 524:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortDirectionality",t);case 525:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortName",t);case 526:return this.namedPrimitive("MIDIPlugin","primitiveMIDIOpenPort",t);case 527:return this.namedPrimitive("MIDIPlugin","primitiveMIDIParameterGetOrSet",t);case 528:return this.namedPrimitive("MIDIPlugin","primitiveMIDIRead",t);case 529:return this.namedPrimitive("MIDIPlugin","primitiveMIDIWrite",t);case 550:return this.namedPrimitive("ADPCMCodecPlugin","primitiveDecodeMono",t);case 551:return this.namedPrimitive("ADPCMCodecPlugin","primitiveDecodeStereo",t);case 552:return this.namedPrimitive("ADPCMCodecPlugin","primitiveEncodeMono",t);case 553:return this.namedPrimitive("ADPCMCodecPlugin","primitiveEncodeStereo",t);case 571:return this.primitiveUnloadModule(t);case 572:return this.primitiveListBuiltinModule(t);case 573:return this.primitiveListLoadedModule(t);case 575:return this.vm.warnOnce("missing primitive: 575 (primitiveHighBit)"),!1;case 576:return this.vm.primitiveInvokeObjectAsMethod(t,i);case 578:return this.vm.warnOnce("missing primitive: 578 (primitiveSuspendAndBackupPC)"),!1}return console.error("primitive "+e+" not implemented yet"),!1},namedPrimitive:function(e,t,i){var r,s=""===e?this:this.loadedModules[e],n=(void 0===s&&(s=this.loadModule(e),this.loadedModules[e]=s),!1),a=this.vm.sp;return s?(this.interpreterProxy.argCount=i,"function"==typeof(r=s[this.interpreterProxy.primitiveName=t])?n=s[t](i):"string"==typeof r?n=this[r](i):this.vm.warnOnce("missing primitive: "+e+"."+t)):this.vm.warnOnce("missing module: "+e+" ("+t+")"),(!0===n||!1!==n&&this.success)&&this.vm.sp!==a-i&&!this.vm.frozen&&this.vm.warnOnce("stack unbalanced after primitive "+e+"."+t,"error"),!0===n||!1===n?n:this.success},doNamedPrimitive:function(e,t){if(t.pointersSize()<2)return!1;var i=t.pointers[1];if(4!==i.pointersSize())return!1;this.primMethod=t;t=i.pointers[0].bytesAsString(),i=i.pointers[1].bytesAsString();return this.namedPrimitive(t,i,e)},fakePrimitive:function(e,t,i){return this.vm.warnOnce("faking primitive: "+e),void 0===t?this.vm.popN(i):this.vm.popNandPush(i+1,this.makeStObject(t)),!0}},"modules",{loadModule:function(e){var t,i=Squeak.externalModules[e]||this.builtinModules[e]||this.loadModuleDynamically(e);return i?(this.patchModules[e]&&this.patchModule(i,e),i.setInterpreter&&!i.setInterpreter(this.interpreterProxy)?(console.log("Wrong interpreter proxy version: "+e),null):("function"==typeof(t=i.initialiseModule)?i.initialiseModule():"string"==typeof t&&this[t](),this.interpreterProxy.failed()?(console.log("Module initialization failed: "+e),null):(i.getModuleName&&(e=i.getModuleName()),console.log("Loaded module: "+e),i))):null},loadModuleDynamically:function(e){},patchModule:function(e,t){var i,r=this.patchModules[t];for(i in r)e[i]=r[i]},unloadModule:function(e){var t=this.loadedModules[e];if(!e||!t||t===this)return null;delete this.loadedModules[e];var i=t.unloadModule;return"function"==typeof i?t.unloadModule(this):"string"==typeof i&&this[i](this),console.log("Unloaded module: "+e),t},loadFunctionFrom:function(e,t){var i=""===t?this:this.loadedModules[t];if(void 0===i&&(i=this.loadModule(t),this.loadedModules[t]=i),i){var r=i[e];if("function"==typeof r)return r.bind(i);if("string"==typeof r)return this[r].bind(this);this.vm.warnOnce("missing primitive: "+t+"."+e)}return null},primitiveUnloadModule:function(e){var t=this.stackNonInteger(0).bytesAsString();return!!t&&(this.unloadModule(t),this.popNIfOK(e))},primitiveListBuiltinModule:function(e){var t,i=this.stackInteger(0)-1;return!!this.success&&(t=Object.keys(this.builtinModules),this.popNandPushIfOK(e+1,this.makeStObject(t[i])))},primitiveListLoadedModule:function(e){var t=this.stackInteger(0)-1;if(!this.success)return!1;var i,r=[];for(i in this.loadedModules){var s=this.loadedModules[i];s&&(s=s.getModuleName?s.getModuleName():i,r.push(s))}return this.popNandPushIfOK(e+1,this.makeStObject(r[t]))}},"stack 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t=e<0,i=t?-e:e,e=t?Squeak.splOb_ClassLargeNegativeInteger:Squeak.splOb_ClassLargePositiveInteger,t=this.vm.instantiateClass(this.vm.specialObjects[e],4),r=t.bytes,s=0;s<4;s++)r[s]=i>>>8*s&255;return t},stackFloat:function(e){return this.checkFloat(this.vm.stackValue(e))},stackBoolean:function(e){return this.checkBoolean(this.vm.stackValue(e))},stackSigned53BitInt:function(e){e=this.vm.stackValue(e);if("number"==typeof e)return e;var t=e.bytesSize();if(t<=7){for(var i=e.bytes,r=0,s=0,n=1;s<t;s++,n*=256)r+=i[s]*n;if(r<=9007199254740991){if(this.isA(e,Squeak.splOb_ClassLargePositiveInteger))return r;if(this.isA(e,Squeak.splOb_ClassLargeNegativeInteger))return-r}}return this.success=!1,0}},"numbers",{doBitAnd:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e&t):0},doBitOr:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e|t):0},doBitXor:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e^t):0},doBitShift:function(){var e=this.stackPos32BitInt(1),t=this.stackInteger(0);if(this.success){if(0<this.vm.safeShift(e,t))return this.pos32BitIntFor(this.vm.safeShift(e,t));this.success=!1}return 0},safeFDiv:function(e,t){return 0===t?(this.success=!1,1):e/t},floatAsSmallInt:function(e){e=0<=e?Math.floor(e):Math.ceil(e);return this.ensureSmallInt(e)},floatFractionPart:function(e){return-9007199254740991<=e&&e<=9007199254740991?e-Math.floor(e):(this.success=!1,0)},frexp_exponent:function(e){var t,i;return 0==e?0:((t=new DataView(new ArrayBuffer(8))).setFloat64(0,e),0===(i=t.getUint32(0)>>>20&2047)&&(t.setFloat64(0,e*Math.pow(2,64)),i=(t.getUint32(0)>>>20&2047)-64),i-1022)},ldexp:function(e,t){for(var i=Math.min(3,Math.ceil(Math.abs(t)/1023)),r=e,s=0;s<i;s++)r*=Math.pow(2,Math.floor((t+s)/i));return r},primitiveLessThanLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)<this.stackSigned53BitInt(0))},primitiveGreaterThanLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)>this.stackSigned53BitInt(0))},primitiveLessOrEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)<=this.stackSigned53BitInt(0))},primitiveGreaterOrEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)>=this.stackSigned53BitInt(0))},primitiveEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)===this.stackSigned53BitInt(0))},primitiveNotEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)!==this.stackSigned53BitInt(0))}},"utils",{floatOrInt:function(e){return e.isFloat?e.float:"number"==typeof e?e:0},positive32BitValueOf:function(e){if("number"==typeof e)return 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t,i=this.vm.specialObjects[Squeak.splOb_CharacterTable].pointers[e];return i||(t=this.vm.specialObjects[Squeak.splOb_ClassCharacter],(i=this.vm.instantiateClass(t,0)).pointers[0]=e),i},charFromIntSpur:function(e){return this.vm.image.getCharacter(e)},charToInt:function(e){return e.pointers[0]},charToIntSpur:function(e){return e.hash},makeFloat:function(e){var t=this.vm.specialObjects[Squeak.splOb_ClassFloat],t=this.vm.instantiateClass(t,2);return t.float=e,t},makeLargeIfNeeded:function(e){return this.vm.canBeSmallInt(e)?e:this.makeLargeInt(e)},makeLargeInt:function(e){if(e<0)throw Error("negative large ints not implemented yet");if(4294967295<e)throw Error("large large ints not implemented yet");return this.pos32BitIntFor(e)},makePointWithXandY:function(e,t){var i=this.vm.specialObjects[Squeak.splOb_ClassPoint],i=this.vm.instantiateClass(i,0);return i.pointers[Squeak.Point_x]=e,i.pointers[Squeak.Point_y]=t,i},makeStArray:function(e,t){for(var i=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassArray],e.length),r=0;r<e.length;r++)i.pointers[r]=this.makeStObject(e[r],t);return i},makeStByteArray:function(e){for(var t=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassByteArray],e.length),i=0;i<e.length;i++)t.bytes[i]=255&e[i];return t},makeStString:function(e){for(var t=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassString],e.length),i=0;i<e.length;++i)t.bytes[i]=255&e.charCodeAt(i);return t},makeStObject:function(e,t){if(null==e)return this.vm.nilObj;if(!0===e)return this.vm.trueObj;if(!1===e)return this.vm.falseObj;if(e.sqClass)return e;if("number"==typeof e)return e===(0|e)?this.makeLargeIfNeeded(e):this.makeFloat(e);if(t)return(t=this.vm.instantiateClass(t,0)).jsObject=e,t;if("string"==typeof e||"Uint8Array"===e.constructor.name)return this.makeStString(e);if("Array"===e.constructor.name)return this.makeStArray(e);throw Error("cannot make smalltalk 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t,i=this.stackNonInteger(1),r=this.stackBoolean(0);return!!this.success&&(t=i.pinned,i.pinned=r,this.popNandPushIfOK(e+1,this.makeStObject(!!t)))},primitiveIsPinned:function(e){var t=this.stackNonInteger(0);return!!this.success&&this.popNandPushIfOK(e+1,this.makeStObject(!!t.pinned))},primitiveSizeInBytesOfInstance:function(e){var t,i;return!(1<e)&&(i=this.stackNonInteger(e),t=e?this.stackInteger(0):0,i=i.classByteSizeOfInstance(t),this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(i)))},primitiveSizeInBytes:function(e){var t=this.stackNonInteger(0).totalBytes();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitiveAsCharacter:function(e){var t=this.stackInteger(0);return!(t<0||1073741823<t||!(t=this.charFromInt(t)))&&this.popNandPushIfOK(e+1,t)},primitiveFullGC:function(e){this.vm.image.fullGC("primitive");var t=this.vm.image.bytesLeft();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitivePartialGC:function(e){this.vm.image.partialGC("primitive");var t=this.vm.image.bytesLeft();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitiveMakePoint:function(e,t){var i=this.vm.stackValue(1),r=this.vm.stackValue(0);return!(t&&(this.checkFloat(i),this.checkFloat(r),!this.success)||(this.vm.popNandPush(1+e,this.makePointWithXandY(i,r)),0))},primitiveStoreStackp:function(e){var t=this.stackNonInteger(1),i=this.stackInteger(0);if(!this.success||i<0||this.vm.decodeSqueakSP(i)>=t.pointers.length)return!1;for(var r=t.pointers[Squeak.Context_stackPointer];r<i;)t.pointers[this.vm.decodeSqueakSP(++r)]=this.vm.nilObj;return t.pointers[Squeak.Context_stackPointer]=i,this.vm.popN(e),!0},primitiveChangeClass:function(e){var t,i;return!(2<e||(t=this.stackNonInteger(1),i=this.stackNonInteger(0),!this.changeClassTo(t,i.sqClass)))&&this.popNIfOK(e)},primitiveAdoptInstance:function(e){var t,i;return!(2<e||(t=this.stackNonInteger(1),i=this.stackNonInteger(0),!this.changeClassTo(i,t)))&&this.popNIfOK(e)},changeClassTo:function(e,t){if(e.sqClass.isCompact!==t.isCompact)return!1;var i=t.classInstIsPointers();if(e.isPointers()){if(!i)return!1;if(e.sqClass.classInstSize()!==t.classInstSize())return!1}else{if(i)return!1;var i=e.isBytes(),r=t.classInstIsBytes();if(i&&!r){if(e.bytes){if(3&e.bytes.length)return!1;e.words=new Uint32Array(e.bytes.buffer),delete e.bytes}}else!i&&r&&e.words&&(e.bytes=new Uint8Array(e.words.buffer),delete e.words)}return e._format=t.classInstFormat(),e.sqClass=t,!0},primitiveDoPrimitiveWithArgs:function(e){var t=this.stackNonInteger(0),i=this.stackInteger(1);if(this.success){var r=t.pointersSize(),s=this.vm.activeContext.pointersSize();if(!(this.vm.sp+r>=s)){this.vm.popN(2);for(var n=0;n<r;n++)this.vm.push(t.pointers[n]);if(this.vm.tryPrimitive(i,r))return!0;this.vm.popN(r),this.vm.push(i),this.vm.push(t)}}return!1},primitiveShortAtAndPut:function(e){var t,i=this.stackNonInteger(e),r=this.stackInteger(e-1)-1,i=i.wordsAsInt16Array();if(!this.success||!i||r<0||r>=i.length)return!1;if(e<2)t=i[r];else{if((t=this.stackInteger(0))<-32768||32767<t)return!1;i[r]=t}return this.popNandPushIfOK(e+1,t),!0},primitiveIntegerAtAndPut:function(e){var t,i=this.stackNonInteger(e),r=this.stackInteger(e-1)-1,i=i.wordsAsInt32Array();if(!this.success||!i||r<0||r>=i.length)return!1;if(e<2)t=this.signed32BitIntegerFor(i[r]);else{if(t=this.stackSigned32BitInt(0),!this.success)return!1;i[r]=t}return this.popNandPushIfOK(e+1,t),!0},primitiveConstantFill:function(e){var t=this.stackNonInteger(1),i=this.stackPos32BitInt(0);if(!this.success||!t.isWordsOrBytes())return!1;var r=t.words||t.bytes;if(r){if(r===t.bytes&&255<i)return!1;for(var s=0;s<r.length;s++)r[s]=i}return this.vm.popN(e),!0},primitiveNewMethod:function(e){var t=this.stackInteger(0),i=this.stackInteger(1);if(!this.success)return 0;for(var r=this.vm.instantiateClass(this.vm.stackValue(2),i),s=(r.pointers=[t],r.methodNumLits()),n=0;n<s;n++)r.pointers.push(this.vm.nilObj);return this.vm.popNandPush(1+e,r),this.vm.breakOnNewMethod&&(this.vm.breakOnMethod=r),!0},primitiveExecuteMethodArgsArray:function(e){var t=this.stackNonInteger(0),i=this.stackNonInteger(1),r=this.vm.stackValue(2);if(!this.success||!t.isMethod()||4<e)return!1;var s=t.methodNumArgs();if(s!==i.pointersSize())return!1;this.vm.popNandPush(e+1,r);for(var n=0;n<s;n++)this.vm.push(i.pointers[n]);return this.vm.executeNewMethod(r,t,s,t.methodPrimitiveIndex(),null,null),!0},primitiveArrayBecome:function(e,t,i){var r=this.stackNonInteger(e),s=this.stackNonInteger(e-1);return 1<e&&(i=this.stackBoolean(e-2)),!!this.success&&(this.success=this.vm.image.bulkBecome(r.pointers,s.pointers,t,i),this.popNIfOK(e))},doStringReplace:function(){var e=this.stackNonInteger(4),t=this.stackInteger(3)-1,i=this.stackInteger(2)-t,r=this.stackNonInteger(1),s=this.stackInteger(0)-1;if(this.success)if(r.sameFormatAs(e))if(r.isPointers()){var n=r.pointersSize(),a=r.instSize();if((s+=a)<0||n<s+i)this.success=!1;else if(n=e.pointersSize(),(t+=e.instSize())<0||n<t+i)this.success=!1;else for(var o=0;o<i;o++)e.pointers[t+o]=r.pointers[s+o]}else if(r.isWords()){n=r.wordsSize();if(s<0||n<s+i)this.success=!1;else if(n=e.wordsSize(),t<0||n<t+i)this.success=!1;else if(r.isFloat&&e.isFloat)e.float=r.float;else if(r.isFloat)e.wordsAsFloat64Array()[t]=r.float;else if(e.isFloat)e.float=r.wordsAsFloat64Array()[s];else for(o=0;o<i;o++)e.words[t+o]=r.words[s+o]}else{n=r.bytesSize();if(s<0||n<s+i)this.success=!1;else if(n=e.bytesSize(),t<0||n<t+i)this.success=!1;else for(o=0;o<i;o++)e.bytes[t+o]=r.bytes[s+o]}else this.success=!1;return e},primitiveCopyObject:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0),r=t.pointersSize();if(!this.success||t.isWordsOrBytes()||t.sqClass!==i.sqClass||r!==i.pointersSize())return!1;for(var s=0;s<r;s++)t.pointers[s]=i.pointers[s];return t.dirty=i.dirty,this.vm.popN(e),!0},primitiveStoreImageSegment:function(e){var t=this.stackNonInteger(2),i=this.stackNonInteger(1),r=this.stackNonInteger(0);return!!(t.pointers&&i.words&&r.pointers)&&!!this.vm.image.storeImageSegment(i,r,t)&&(this.vm.popN(e),!0)},primitiveLoadImageSegment:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!(!t.words||!i.pointers||!(t=this.vm.image.loadImageSegment(t,i)))&&this.popNandPushIfOK(e+1,t)}},"blocks/closures",{doBlockCopy:function(){var e,t,i=this.vm.stackValue(1),r=this.stackInteger(0),s=i;return this.vm.isContext(s)||(this.success=!1),this.success?(e=(s="number"==typeof s.pointers[Squeak.Context_method]?s.pointers[Squeak.BlockContext_home]:s).pointersSize()-s.instSize(),e=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassBlockContext],e),t=this.vm.encodeSqueakPC(this.vm.pc+2,this.vm.method),e.pointers[Squeak.BlockContext_initialIP]=t,e.pointers[Squeak.Context_instructionPointer]=t,e.pointers[Squeak.Context_stackPointer]=0,e.pointers[Squeak.BlockContext_argumentCount]=r,e.pointers[Squeak.BlockContext_home]=s,e.pointers[Squeak.Context_sender]=this.vm.nilObj,e):i},primitiveBlockValue:function(e){var t=this.vm.stackValue(e);if(!this.isA(t,Squeak.splOb_ClassBlockContext))return!1;var i=t.pointers[Squeak.BlockContext_argumentCount];if("number"!=typeof i)return!1;if(i!=e)return!1;if(!t.pointers[Squeak.BlockContext_caller].isNil)return!1;this.vm.arrayCopy(this.vm.activeContext.pointers,this.vm.sp-e+1,t.pointers,Squeak.Context_tempFrameStart,e);i=t.pointers[Squeak.BlockContext_initialIP];return t.pointers[Squeak.Context_instructionPointer]=i,t.pointers[Squeak.Context_stackPointer]=e,t.pointers[Squeak.BlockContext_caller]=this.vm.activeContext,this.vm.popN(e+1),this.vm.newActiveContext(t),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveBlockValueWithArgs:function(e){var t=this.vm.stackValue(1),i=this.vm.stackValue(0);if(!this.isA(t,Squeak.splOb_ClassBlockContext))return!1;if(!this.isA(i,Squeak.splOb_ClassArray))return!1;var r=t.pointers[Squeak.BlockContext_argumentCount];if("number"!=typeof r)return!1;if(r!=i.pointersSize())return!1;if(!t.pointers[Squeak.BlockContext_caller].isNil)return!1;this.vm.arrayCopy(i.pointers,0,t.pointers,Squeak.Context_tempFrameStart,r);i=t.pointers[Squeak.BlockContext_initialIP];return t.pointers[Squeak.Context_instructionPointer]=i,t.pointers[Squeak.Context_stackPointer]=r,t.pointers[Squeak.BlockContext_caller]=this.vm.activeContext,this.vm.popN(e+1),this.vm.newActiveContext(t),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveClosureCopyWithCopiedValues:function(e){return this.vm.breakNow("primitiveClosureCopyWithCopiedValues"),!1},primitiveClosureValue:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewClosureMethod(t,e),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0)},primitiveClosureValueWithArgs:function(e){var t=this.vm.top(),i=t.pointersSize(),e=this.vm.stackValue(e);if(i!==e.pointers[Squeak.Closure_numArgs])return!1;this.vm.pop();for(var r=0;r<i;r++)this.vm.push(t.pointers[r]);return this.activateNewClosureMethod(e,i),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveClosureValueNoContextSwitch:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewClosureMethod(t,e),!0)},primitiveFullClosureValue:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewFullClosure(t,e),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0)},primitiveFullClosureValueWithArgs:function(e){var t=this.vm.top(),i=t.pointersSize(),e=this.vm.stackValue(e);if(i!==e.pointers[Squeak.Closure_numArgs])return!1;this.vm.pop();for(var r=0;r<i;r++)this.vm.push(t.pointers[r]);return this.activateNewFullClosure(e,i),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveFullClosureValueNoContextSwitch:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewFullClosure(t,e),!0)},activateNewClosureMethod:function(e,t){for(var i=e.pointers[Squeak.Closure_outerContext],r=i.pointers[Squeak.Context_method],s=this.vm.allocateOrRecycleContext(r.methodNeedsLargeFrame()),n=e.pointers.length-Squeak.Closure_firstCopiedValue,a=(s.pointers[Squeak.Context_sender]=this.vm.activeContext,s.pointers[Squeak.Context_instructionPointer]=e.pointers[Squeak.Closure_startpc],s.pointers[Squeak.Context_stackPointer]=t+n,s.pointers[Squeak.Context_method]=i.pointers[Squeak.Context_method],s.pointers[Squeak.Context_closure]=e,s.pointers[Squeak.Context_receiver]=i.pointers[Squeak.Context_receiver],Squeak.Context_tempFrameStart),o=0;o<t;o++)s.pointers[a++]=this.vm.stackValue(t-o-1);for(o=0;o<n;o++)s.pointers[a++]=e.pointers[Squeak.Closure_firstCopiedValue+o];this.vm.popN(t+1),this.vm.newActiveContext(s)},activateNewFullClosure:function(e,t){for(var i=e.pointers[Squeak.ClosureFull_method],r=this.vm.allocateOrRecycleContext(i.methodNeedsLargeFrame()),s=e.pointers.length-Squeak.ClosureFull_firstCopiedValue,n=(r.pointers[Squeak.Context_sender]=this.vm.activeContext,r.pointers[Squeak.Context_instructionPointer]=this.vm.encodeSqueakPC(0,i),r.pointers[Squeak.Context_stackPointer]=i.methodTempCount(),r.pointers[Squeak.Context_method]=i,r.pointers[Squeak.Context_closure]=e,r.pointers[Squeak.Context_receiver]=e.pointers[Squeak.ClosureFull_receiver],Squeak.Context_tempFrameStart),a=0;a<t;a++)r.pointers[n++]=this.vm.stackValue(t-a-1);for(a=0;a<s;a++)r.pointers[n++]=e.pointers[Squeak.ClosureFull_firstCopiedValue+a];this.vm.popN(t+1),this.vm.newActiveContext(r)}},"scheduling",{primitiveResume:function(){return this.resume(this.vm.top()),!0},primitiveSuspend:function(){var e=this.vm.top();if(e===this.activeProcess())this.vm.popNandPush(1,this.vm.nilObj),this.transferTo(this.wakeHighestPriority());else{var t=e.pointers[Squeak.Proc_myList];if(t.isNil)return!1;if(this.removeProcessFromList(e,t),!this.success)return!1;e.pointers[Squeak.Proc_myList]=this.vm.nilObj,this.vm.popNandPush(1,t)}return!0},getScheduler:function(){return this.vm.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value]},activeProcess:function(){return this.getScheduler().pointers[Squeak.ProcSched_activeProcess]},resume:function(e){var t=this.activeProcess();t.pointers[Squeak.Proc_priority]<e.pointers[Squeak.Proc_priority]?(this.putToSleep(t),this.transferTo(e)):this.putToSleep(e)},putToSleep:function(e){var t=e.pointers[Squeak.Proc_priority],t=this.getScheduler().pointers[Squeak.ProcSched_processLists].pointers[t-1];this.linkProcessToList(e,t)},transferTo:function(e){var t=this.getScheduler(),i=t.pointers[Squeak.ProcSched_activeProcess];t.pointers[Squeak.ProcSched_activeProcess]=e,t.dirty=!0,i.pointers[Squeak.Proc_suspendedContext]=this.vm.activeContext,i.dirty=!0,this.vm.newActiveContext(e.pointers[Squeak.Proc_suspendedContext]),e.pointers[Squeak.Proc_suspendedContext]=this.vm.nilObj,this.oldPrims||(e.pointers[Squeak.Proc_myList]=this.vm.nilObj),this.vm.reclaimableContextCount=0,this.vm.breakOnContextChanged&&(this.vm.breakOnContextChanged=!1,this.vm.breakNow()),this.vm.logProcess&&console.log("\n============= Process Switch ==================\n"+this.vm.printProcess(e,!0,this.vm.logSends?"| ":"")+"===============================================")},wakeHighestPriority:function(){var e,t=this.getScheduler().pointers[Squeak.ProcSched_processLists],i=t.pointersSize()-1;do{if(i<0)throw Error("scheduler could not find a runnable process")}while(e=t.pointers[i--],this.isEmptyList(e));return this.removeFirstLinkOfList(e)},linkProcessToList:function(e,t){var i;this.isEmptyList(t)?t.pointers[Squeak.LinkedList_firstLink]=e:((i=t.pointers[Squeak.LinkedList_lastLink]).pointers[Squeak.Link_nextLink]=e,i.dirty=!0),t.pointers[Squeak.LinkedList_lastLink]=e,t.dirty=!0,e.pointers[Squeak.Proc_myList]=t,e.dirty=!0},isEmptyList:function(e){return e.pointers[Squeak.LinkedList_firstLink].isNil},removeFirstLinkOfList:function(e){var t,i=e.pointers[Squeak.LinkedList_firstLink];return i===e.pointers[Squeak.LinkedList_lastLink]?(e.pointers[Squeak.LinkedList_firstLink]=this.vm.nilObj,e.pointers[Squeak.LinkedList_lastLink]=this.vm.nilObj):(t=i.pointers[Squeak.Link_nextLink],e.pointers[Squeak.LinkedList_firstLink]=t,e.dirty=!0),i.pointers[Squeak.Link_nextLink]=this.vm.nilObj,i},removeProcessFromList:function(e,t){var i=t.pointers[Squeak.LinkedList_firstLink],r=t.pointers[Squeak.LinkedList_lastLink];if(e===i){var s=e.pointers[Squeak.Link_nextLink];t.pointers[Squeak.LinkedList_firstLink]=s,e===r&&(t.pointers[Squeak.LinkedList_lastLink]=this.vm.nilObj)}else{for(var n=i;;){if(n.isNil)return void(this.oldPrims&&(this.success=!1));if((s=n.pointers[Squeak.Link_nextLink])===e)break;n=s}s=e.pointers[Squeak.Link_nextLink],n.pointers[Squeak.Link_nextLink]=s,e===r&&(t.pointers[Squeak.LinkedList_lastLink]=n)}e.pointers[Squeak.Link_nextLink]=this.vm.nilObj},registerSemaphore:function(e){var t=this.vm.top();return this.isA(t,Squeak.splOb_ClassSemaphore)?this.vm.specialObjects[e]=t:this.vm.specialObjects[e]=this.vm.nilObj,this.vm.stackValue(1)},primitiveWait:function(){var e,t=this.vm.top();return!!this.isA(t,Squeak.splOb_ClassSemaphore)&&(0<(e=t.pointers[Squeak.Semaphore_excessSignals])?t.pointers[Squeak.Semaphore_excessSignals]=e-1:(this.linkProcessToList(this.activeProcess(),t),this.transferTo(this.wakeHighestPriority())),!0)},primitiveSignal:function(){var e=this.vm.top();return!!this.isA(e,Squeak.splOb_ClassSemaphore)&&(this.synchronousSignal(e),!0)},synchronousSignal:function(e){this.isEmptyList(e)?e.pointers[Squeak.Semaphore_excessSignals]++:this.resume(this.removeFirstLinkOfList(e))},signalAtMilliseconds:function(e,t){this.isA(e,Squeak.splOb_ClassSemaphore)?(this.vm.specialObjects[Squeak.splOb_TheTimerSemaphore]=e,this.vm.nextWakeupTick=t):(this.vm.specialObjects[Squeak.splOb_TheTimerSemaphore]=this.vm.nilObj,this.vm.nextWakeupTick=0)},primitiveSignalAtMilliseconds:function(e){var t=this.stackInteger(0),i=this.stackNonInteger(1);return!!this.success&&(this.signalAtMilliseconds(i,t),this.vm.popN(e),!0)},primitiveSignalAtUTCMicroseconds:function(e){var t=this.stackSigned53BitInt(0),i=this.stackNonInteger(1);return!!this.success&&(t=t/1e3+Squeak.EpochUTC-this.vm.startupTime&Squeak.MillisecondClockMask,this.signalAtMilliseconds(i,t),this.vm.popN(e),!0)},signalSemaphoreWithIndex:function(e){this.semaphoresToSignal.push(e)},signalExternalSemaphores:function(){for(var e=this.vm.specialObjects[Squeak.splOb_ExternalObjectsArray].pointers,t=this.vm.specialObjects[Squeak.splOb_ClassSemaphore];this.semaphoresToSignal.length;){var i=e[this.semaphoresToSignal.shift()-1];i.sqClass==t&&this.synchronousSignal(i)}},primitiveEnterCriticalSection:function(e){var t,i,r;return!(1<e||(t=this.vm.stackValue(e),i=e?this.vm.top():this.activeProcess(),(r=t.pointers[Squeak.Mutex_owner]).isNil?(t.pointers[Squeak.Mutex_owner]=i,t.dirty=!0,this.popNandPushIfOK(e+1,this.vm.falseObj)):r===i?this.popNandPushIfOK(e+1,this.vm.trueObj):(this.popNandPushIfOK(e+1,this.vm.falseObj),this.linkProcessToList(i,t),this.transferTo(this.wakeHighestPriority())),0))},primitiveExitCriticalSection:function(e){var t,i=this.vm.top();return this.isEmptyList(i)?i.pointers[Squeak.Mutex_owner]=this.vm.nilObj:(t=this.removeFirstLinkOfList(i),i.pointers[Squeak.Mutex_owner]=t,i.dirty=!0,this.resume(t)),!0},primitiveTestAndSetOwnershipOfCriticalSection:function(e){var t,i,r;return!(1<e||(t=this.vm.stackValue(e),i=e?this.vm.top():this.activeProcess(),(r=t.pointers[Squeak.Mutex_owner]).isNil?(t.pointers[Squeak.Mutex_owner]=i,t.dirty=!0,this.popNandPushIfOK(e+1,this.vm.falseObj)):r===i?this.popNandPushIfOK(e+1,this.vm.trueObj):this.popNandPushIfOK(e+1,this.vm.nilObj),0))}},"vm functions",{primitiveGetAttribute:function(e){var t=this.stackInteger(0);if(!this.success)return!1;var i=this.display.argv,r=this.display.vmOptions,s=null;switch(t){case 0:s=i&&i[0]||this.filenameToSqueak(Squeak.vmPath+Squeak.vmFile);break;case 1:s=i&&i[1]||this.display.documentName;break;case 2:s=i&&i[2]||this.display.documentName;break;case 1001:s=Squeak.platformName;break;case 1002:s=Squeak.osVersion;break;case 1003:s=Squeak.platformSubtype;break;case 1004:s=Squeak.vmVersion+" "+Squeak.vmMakerVersion;break;case 1005:s=Squeak.windowSystem;break;case 1006:s=Squeak.vmBuild;break;case 1007:s=Squeak.vmInterpreterVersion;break;case 1009:s=Squeak.vmVersion+" Date: "+Squeak.vmDate;break;default:if(0<=t&&i&&i.length>t)s=i[t];else{if(!(t<0&&r&&r.length>-t-1))return!1;s=r[-t-1]}}return this.vm.popNandPush(e+1,this.makeStObject(s)),!0},setLowSpaceThreshold:function(){var e=this.stackInteger(0);return this.success&&(this.vm.lowSpaceThreshold=e),this.vm.stackValue(1)},primitiveVMParameter:function(e){var t=this.vm.image.isSpur?71:44;switch(e){case 0:for(var i=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassArray],t),r=0;r<t;r++)i.pointers[r]=this.makeStObject(this.vmParameterAt(r+1));return this.popNandPushIfOK(1,i);case 1:var s=this.stackInteger(0);return s<1||t<s?!1:this.popNandPushIfOK(2,this.makeStObject(this.vmParameterAt(s)));case 2:return this.popNandPushIfOK(3,0)}return!1},vmParameterAt:function(e){switch(e){case 1:case 2:return this.vm.image.oldSpaceBytes;case 3:return this.vm.image.totalMemory;case 4:return this.vm.image.allocationCount+this.vm.image.newSpaceCount;case 7:return this.vm.image.gcCount;case 8:return this.vm.image.gcMilliseconds;case 9:return this.vm.image.pgcCount;case 10:return this.vm.image.pgcMilliseconds;case 11:return this.vm.image.gcTenured;case 15:case 16:case 17:case 18:case 19:case 20:case 22:return 0;case 23:return this.vm.image.extraVMMemory;case 40:return 4;case 41:return this.vm.image.formatVersion();case 44:case 46:case 48:return 0;case 54:return this.vm.image.bytesLeft();case 65:return 0;case 67:return this.vm.image.totalMemory}return null},primitiveImageName:function(e){return 0==e?this.popNandPushIfOK(1,this.makeStString(this.filenameToSqueak(this.vm.image.name))):(this.vm.image.name=this.filenameFromSqueak(this.vm.top().bytesAsString()),Squeak.Settings.squeakImageName=this.vm.image.name,this.vm.popN(e),!0)},primitiveSnapshot:function(e){this.vm.popNandPush(1,this.vm.trueObj),this.vm.storeContextRegisters(),this.activeProcess().pointers[Squeak.Proc_suspendedContext]=this.vm.activeContext,this.vm.image.fullGC("snapshot");var t=this.vm.image.writeToBuffer();return Squeak.flushAllFiles&&(Squeak.flushAllFiles(),Squeak.filePut(this.vm.image.name,t)),this.vm.popNandPush(1,this.vm.falseObj),!0},primitiveQuit:function(e){return Squeak.flushAllFiles&&Squeak.flushAllFiles(),this.display.quitFlag=!0,this.vm.breakNow("quit"),!0},primitiveExitToDebugger:function(e){return this.vm.breakNow("debugger primitive"),!0},primitiveSetGCBiasToGrow:function(e){return this.fakePrimitive(".primitiveSetGCBiasToGrow",0,e)},primitiveSetGCBiasToGrowGCLimit:function(e){return this.fakePrimitive(".primitiveSetGCBiasToGrowGCLimit",0,e)}},"time",{primitiveRelinquishProcessorForMicroseconds:function(e){return this.vm.popN(e),this.vm.goIdle(),!0},millisecondClockValue:function(){return Date.now()-this.vm.startupTime&Squeak.MillisecondClockMask},millisecondClockValueSet:function(e){this.vm.startupTime=Date.now()-e},secondClock:function(){return this.pos32BitIntFor(Squeak.totalSeconds())},microsecondClock:function(e){var t,i,r,s=Date.now()-e.epoch;return"object"!=typeof performance?this.pos53BitIntFor(1e3*s):(t=1e3*performance.now()%1e3|0,i=e.millis,r=e.micros,(s=s<i?i:s)===i&&t<r&&s++,e.millis=s,e.micros=t,this.pos53BitIntFor(1e3*s+t))},microsecondClockUTC:function(){return this.microsecondClockUTCState||(this.microsecondClockUTCState={epoch:Squeak.EpochUTC,millis:0,micros:0}),this.microsecondClock(this.microsecondClockUTCState)},microsecondClockLocal:function(){return this.microsecondClockLocalState||(this.microsecondClockLocalState={epoch:Squeak.Epoch,millis:0,micros:0}),this.microsecondClock(this.microsecondClockLocalState)},primitiveUtcWithOffset:function(e){var t,i=new Date,r=this.pos53BitIntFor(1e3*i.getTime()),i=-60*i.getTimezoneOffset();return 0<e?((t=this.vm.stackValue(0)).pointers[0]=r,t.pointers[1]=i,this.popNandPushIfOK(e+1,t)):this.popNandPushIfOK(e+1,this.makeStArray([r,i])),!0}}),Object.subclass("Squeak.Compiler","initialization",{initialize:function(e){if(e.method.methodSignFlag())return console.warn("Sista bytecode set not (yet) supported by this JIT"),{};this.vm=e,this.comments=!!Squeak.Compiler.comments,this.specialSelectors=["+","-","<",">","<=",">=","=","~=","*","/","\\\\","@","bitShift:","//","bitAnd:","bitOr:","at:","at:put:","size","next","nextPut:","atEnd","==","class","blockCopy:","value","value:","do:","new","new:","x","y"],this.doitCounter=0}},"accessing",{compile:function(e,t,i){e.methodSignFlag()||(void 0===e.compiled?e.compiled=!1:(this.singleStep=!1,this.debug=this.comments,t=t&&t.className(),i=i&&i.bytesAsString(),e.compiled=this.generate(e,t,i)))},enableSingleStepping:function(r,s,n){var e,t,i;return r.compiled&&r.compiled.canSingleStep||(this.singleStep=!0,this.debug=!0,s||this.vm.allMethodsDo(function(e,t,i){if(t===r)return s=e,n=i,!0}),e=s&&s.className(),t=n&&n.bytesAsString(),i=s&&s.allInstVarNames(),r.compiled=this.generate(r,e,t,i),r.compiled.canSingleStep=!0),!0},functionNameFor:function(e,t){var i;return void 0===e||"?"===e?"DOIT_"+ ++this.doitCounter:/[^a-zA-Z0-9:_]/.test(t)?(i=t.replace(/./g,function(e){return{"|":"OR","~":"NOT","<":"LT","=":"EQ",">":"GT","&":"AND","@":"AT","*":"TIMES","+":"PLUS","\\":"MOD","-":"MINUS",",":"COMMA","/":"DIV","?":"IF"}[e]||"OPERATOR"}),e.replace(/[ ]/,"_")+"__"+i+"__"):(e+"_"+t).replace(/[: ]/g,"_")}},"generating",{generate:function(e,t,i,r){for(this.method=e,this.pc=0,this.endPC=0,this.prevPC=0,this.source=[],this.sourceLabels={},this.needsLabel={},this.sourcePos={},this.needsVar={},this.needsBreak=!1,t&&i&&this.source.push("// ",t,">>",i,"\n"),this.instVarNames=r,this.allVars=["context","stack","rcvr","inst[","temp[","lit["],this.sourcePos.context=this.source.length,this.source.push("var context = vm.activeContext;\n"),this.sourcePos.stack=this.source.length,this.source.push("var stack = context.pointers;\n"),this.sourcePos.rcvr=this.source.length,this.source.push("var rcvr = vm.receiver;\n"),this.sourcePos["inst["]=this.source.length,this.source.push("var inst = rcvr.pointers;\n"),this.sourcePos["temp["]=this.source.length,this.source.push("var temp = vm.homeContext.pointers;\n"),this.sourcePos["lit["]=this.source.length,this.source.push("var lit = vm.method.pointers;\n"),this.sourcePos["loop-start"]=this.source.length,this.source.push("while (true) switch (vm.pc) {\ncase 0:\n"),this.done=!1;!this.done;){var s=e.bytes[this.pc++],n=0;switch(248&s){case 0:case 8:this.generatePush("inst[",15&s,"]");break;case 16:case 24:this.generatePush("temp[",6+(15&s),"]");break;case 32:case 40:case 48:case 56:this.generatePush("lit[",1+(31&s),"]");break;case 64:case 72:case 80:case 88:this.generatePush("lit[",1+(31&s),"].pointers[1]");break;case 96:this.generatePopInto("inst[",7&s,"]");break;case 104:this.generatePopInto("temp[",6+(7&s),"]");break;case 112:switch(s){case 112:this.generatePush("rcvr");break;case 113:this.generatePush("vm.trueObj");break;case 114:this.generatePush("vm.falseObj");break;case 115:this.generatePush("vm.nilObj");break;case 116:this.generatePush("-1");break;case 117:this.generatePush("0");break;case 118:this.generatePush("1");break;case 119:this.generatePush("2")}break;case 120:switch(s){case 120:this.generateReturn("rcvr");break;case 121:this.generateReturn("vm.trueObj");break;case 122:this.generateReturn("vm.falseObj");break;case 123:this.generateReturn("vm.nilObj");break;case 124:this.generateReturn("stack[vm.sp]");break;case 125:this.generateBlockReturn();break;default:throw Error("unusedBytecode")}break;case 128:case 136:this.generateExtended(s);break;case 144:this.generateJump(1+(7&s));break;case 152:this.generateJumpIf(!1,1+(7&s));break;case 160:n=e.bytes[this.pc++],this.generateJump(256*((7&s)-4)+n);break;case 168:n=e.bytes[this.pc++],this.generateJumpIf(s<172,256*(3&s)+n);break;case 176:case 184:this.generateNumericOp(s);break;case 192:case 200:this.generateQuickPrim(s);break;case 208:case 216:this.generateSend("lit[",1+(15&s),"]",0,!1);break;case 224:case 232:this.generateSend("lit[",1+(15&s),"]",1,!1);break;case 240:case 248:this.generateSend("lit[",1+(15&s),"]",2,!1)}}r=this.functionNameFor(t,i);return this.singleStep?(this.debug&&this.source.push("// all valid PCs have a label;\n"),this.source.push("default: throw Error('invalid PC');\n}")):(this.sourcePos["loop-end"]=this.source.length,this.source.push("default: vm.interpretOne(true); return;\n}"),this.deleteUnneededLabels()),this.deleteUnneededVariables(),new Function("'use strict';\nreturn function "+r+"(vm) {\n"+this.source.join("")+"}")()},generateExtended:function(e){switch(e){case 128:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generatePush("inst[",63&t,"]");case 1:return void this.generatePush("temp[",6+(63&t),"]");case 2:return void this.generatePush("lit[",1+(63&t),"]");case 3:return void this.generatePush("lit[",1+(63&t),"].pointers[1]")}case 129:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generateStoreInto("inst[",63&t,"]");case 1:return void this.generateStoreInto("temp[",6+(63&t),"]");case 2:throw Error("illegal store into literal");case 3:return void this.generateStoreInto("lit[",1+(63&t),"].pointers[1]")}return;case 130:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generatePopInto("inst[",63&t,"]");case 1:return void this.generatePopInto("temp[",6+(63&t),"]");case 2:throw Error("illegal pop into literal");case 3:return void this.generatePopInto("lit[",1+(63&t),"].pointers[1]")}case 131:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(31&t),"]",t>>5,!1);case 132:switch(t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],t>>5){case 0:return void this.generateSend("lit[",1+i,"]",31&t,!1);case 1:return void this.generateSend("lit[",1+i,"]",31&t,!0);case 2:return void this.generatePush("inst[",i,"]");case 3:return void this.generatePush("lit[",1+i,"]");case 4:return void this.generatePush("lit[",1+i,"].pointers[1]");case 5:return void this.generateStoreInto("inst[",i,"]");case 6:return void this.generatePopInto("inst[",i,"]");case 7:return void this.generateStoreInto("lit[",1+i,"].pointers[1]")}case 133:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(31&t),"]",t>>5,!0);case 134:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(63&t),"]",t>>6,!1);case 135:return void this.generateInstruction("pop","vm.sp--");case 136:return this.needsVar.stack=!0,void this.generateInstruction("dup","var dup = stack[vm.sp]; stack[++vm.sp] = dup");case 137:return this.needsVar.stack=!0,void this.generateInstruction("push thisContext","stack[++vm.sp] = vm.exportThisContext()");case 138:var t=this.method.bytes[this.pc++];return void this.generateClosureTemps(127&t,127<t);case 139:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generateCallPrimitive(t+256*i);case 140:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generatePush("temp[",6+i,"].pointers[",t,"]");case 141:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generateStoreInto("temp[",6+i,"].pointers[",t,"]");case 142:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generatePopInto("temp[",6+i,"].pointers[",t,"]");case 143:t=this.method.bytes[this.pc++];var i=this.method.bytes[this.pc++],r=this.method.bytes[this.pc++];return void this.generateClosureCopy(15&t,t>>4,i<<8|r)}},generatePush:function(e,t,i,r,s){this.debug&&this.generateDebugCode("push",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push("stack[++vm.sp] = ",e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(";\n")},generateStoreInto:function(e,t,i,r,s){this.debug&&this.generateDebugCode("store into",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push(e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(" = stack[vm.sp];\n"),this.generateDirty(e,t)},generatePopInto:function(e,t,i,r,s){this.debug&&this.generateDebugCode("pop into",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push(e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(" = stack[vm.sp--];\n"),this.generateDirty(e,t)},generateReturn:function(e){this.debug&&this.generateDebugCode("return",e),this.generateLabel(),this.needsVar[e]=!0,this.source.push("vm.pc = ",this.pc,"; vm.doReturn(",e,"); return;\n"),this.needsBreak=!1,this.done=this.pc>this.endPC},generateBlockReturn:function(){this.debug&&this.generateDebugCode("block return"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("vm.pc = ",this.pc,"; vm.doReturn(stack[vm.sp--], context.pointers[0]); return;\n"),this.needsBreak=!1},generateJump:function(e){var t=this.pc+e;this.debug&&this.generateDebugCode("jump to "+t),this.generateLabel(),this.needsVar.context=!0,this.source.push("vm.pc = ",t,"; "),e<0&&this.source.push("\nif (vm.interruptCheckCounter-- <= 0) {\n","   vm.checkForInterrupts();\n","   if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n","}\n"),this.singleStep&&this.source.push("\nif (vm.breakOutOfInterpreter) return;\n"),this.source.push("continue;\n"),this.needsBreak=!1,this.needsLabel[t]=!0,t>this.endPC&&(this.endPC=t)},generateJumpIf:function(e,t){t=this.pc+t;this.debug&&this.generateDebugCode("jump if "+e+" to "+t),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var cond = stack[vm.sp--]; if (cond === vm.",e,"Obj) {vm.pc = ",t,"; "),this.singleStep&&this.source.push("if (vm.breakOutOfInterpreter) return; else "),this.source.push("continue}\n","else if (cond !== vm.",!e,"Obj) {vm.sp++; vm.pc = ",this.pc,"; vm.send(vm.specialObjects[25], 0, false); return}\n"),this.needsLabel[this.pc]=!0,this.needsLabel[t]=!0,t>this.endPC&&(this.endPC=t)},generateQuickPrim:function(e){switch(this.debug&&this.generateDebugCode("quick send #"+this.specialSelectors[16+(15&e)]),this.generateLabel(),e){case 192:return this.needsVar.stack=!0,this.source.push("var a, b; if ((a=stack[vm.sp-1]).sqClass === vm.specialObjects[7] && typeof (b=stack[vm.sp]) === 'number' && b>0 && b<=a.pointers.length) {\n","  stack[--vm.sp] = a.pointers[b-1];","} else { var c = vm.primHandler.objectAt(true,true,false); if (vm.primHandler.success) stack[--vm.sp] = c; else {\n","  vm.pc = ",this.pc,"; vm.sendSpecial(16); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }}\n"),void(this.needsLabel[this.pc]=!0);case 193:return this.needsVar.stack=!0,this.source.push("var a, b; if ((a=stack[vm.sp-2]).sqClass === vm.specialObjects[7] && typeof (b=stack[vm.sp-1]) === 'number' && b>0 && b<=a.pointers.length) {\n","  var c = stack[vm.sp]; stack[vm.sp-=2] = a.pointers[b-1] = c; a.dirty = true;","} else { vm.primHandler.objectAtPut(true,true,false); if (vm.primHandler.success) stack[vm.sp-=2] = c; else {\n","  vm.pc = ",this.pc,"; vm.sendSpecial(17); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }}\n"),void(this.needsLabel[this.pc]=!0);case 194:return this.needsVar.stack=!0,this.source.push("if (stack[vm.sp].sqClass === vm.specialObjects[7]) stack[vm.sp] = stack[vm.sp].pointersSize();\n","else if (stack[vm.sp].sqClass === vm.specialObjects[6]) stack[vm.sp] = stack[vm.sp].bytesSize();\n","else { vm.pc = ",this.pc,"; vm.sendSpecial(18); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }\n"),void(this.needsLabel[this.pc]=!0);case 198:return this.needsVar.stack=!0,void this.source.push("var cond = stack[vm.sp-1] === stack[vm.sp];\nstack[--vm.sp] = cond ? vm.trueObj : vm.falseObj;\n");case 199:return this.needsVar.stack=!0,void this.source.push("stack[vm.sp] = typeof stack[vm.sp] === 'number' ? vm.specialObjects[5] : stack[vm.sp].sqClass;\n");case 200:return this.needsVar.rcvr=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,")) ","{vm.sendSpecial(",16+(15&e),"); return}\n"),this.needsLabel[this.pc]=!0,void(this.needsLabel[this.pc+2]=!0);case 201:case 202:case 203:return this.needsVar.rcvr=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,")) vm.sendSpecial(",16+(15&e),"); return;\n"),void(this.needsLabel[this.pc]=!0)}this.needsVar.rcvr=!0,this.needsVar.context=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,"))"," vm.sendSpecial(",16+(15&e),");\n","if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n"),this.needsBreak=!1,this.needsLabel[this.pc]=!0},generateNumericOp:function(e){switch(this.debug&&this.generateDebugCode("quick send #"+this.specialSelectors[15&e]),this.generateLabel(),this.needsLabel[this.pc]=!0,e){case 176:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = vm.primHandler.signed32BitIntegerFor(a + b);\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(0); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 177:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = vm.primHandler.signed32BitIntegerFor(a - b);\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(1); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 178:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a < b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(2); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 179:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a > b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(3); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 180:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a <= b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(4); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 181:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a >= b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(5); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 182:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a === b ? vm.trueObj : vm.falseObj;\n","} else if (a === b && a.float === a.float) {\n","   stack[--vm.sp] = vm.trueObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(6); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 183:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a !== b ? vm.trueObj : vm.falseObj;\n","} else if (a === b && a.float === a.float) {\n","   stack[--vm.sp] = vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(7); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 184:return void this.source.push("vm.success = true; vm.resultIsFloat = false; if(!vm.pop2AndPushNumResult(vm.stackIntOrFloat(1) * vm.stackIntOrFloat(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(8); return}\n");case 185:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.quickDivide(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(9); return}\n");case 186:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.mod(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(10); return}\n");case 187:return void this.source.push("vm.success = true; if(!vm.primHandler.primitiveMakePoint(1, true)) { vm.pc = ",this.pc,"; vm.sendSpecial(11); return}\n");case 188:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.safeShift(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(12); return}\n");case 189:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.div(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(13); return}\n");case 190:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.stackInteger(1) & vm.stackInteger(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(14); return}\n");case 191:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.stackInteger(1) | vm.stackInteger(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(15); return}\n")}},generateSend:function(e,t,i,r,s){this.debug&&this.generateDebugCode("send "+("lit["===e?this.method.pointers[t].bytesAsString():"...")),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.context=!0,this.source.push("vm.pc = ",this.pc,"; vm.send(",e,t,i,", ",r,", ",s,"); ","if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n"),this.needsBreak=!1,this.needsLabel[this.pc]=!0},generateClosureTemps:function(e,t){if(this.debug&&this.generateDebugCode("closure temps"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var array = vm.instantiateClass(vm.specialObjects[7], ",e,");\n"),t){for(var i=0;i<e;i++)this.source.push("array.pointers[",i,"] = stack[vm.sp - ",e-i-1,"];\n");this.source.push("stack[vm.sp -= ",e-1,"] = array;\n")}else this.source.push("stack[++vm.sp] = array;\n")},generateClosureCopy:function(e,t,i){var r=this.pc,i=r+i;if(this.debug&&this.generateDebugCode("push closure("+r+"-"+(i-1)+"): "+t+" copied, "+e+" args"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var closure = vm.instantiateClass(vm.specialObjects[36], ",t,");\n","closure.pointers[0] = context; vm.reclaimableContextCount = 0;\n","closure.pointers[1] = ",r+4*this.method.pointers.length+1,";\n","closure.pointers[2] = ",e,";\n"),0<t){for(var s=0;s<t;s++)this.source.push("closure.pointers[",s+3,"] = stack[vm.sp - ",t-s-1,"];\n");this.source.push("stack[vm.sp -= ",t-1,"] = closure;\n")}else this.source.push("stack[++vm.sp] = closure;\n");this.source.push("vm.pc = ",i,";\n"),this.singleStep&&this.source.push("if (vm.breakOutOfInterpreter) return;\n"),this.source.push("continue;\n"),this.needsBreak=!1,this.needsLabel[r]=!0,this.needsLabel[i]=!0,i>this.endPC&&(this.endPC=i)},generateCallPrimitive:function(e){this.debug&&this.generateDebugCode("call primitive "+e),this.generateLabel(),129===this.method.bytes[this.pc]&&(this.needsVar.stack=!0,this.source.push("if (vm.primFailCode) {stack[vm.sp] = vm.getErrorObjectFromPrimFailCode(); vm.primFailCode = 0;}\n"))},generateDirty:function(e,t){switch(e){case"inst[":this.source.push("rcvr.dirty = true;\n");break;case"lit[":this.source.push(e,t,"].dirty = true;\n");break;case"temp[":break;default:throw Error("unexpected target "+e)}},generateLabel:function(){this.prevPC&&(this.sourceLabels[this.prevPC]=this.source.length,this.source.push("case ",this.prevPC,":\n")),this.prevPC=this.pc},generateDebugCode:function(e,t,i,r,s,n){this.needsBreak&&(this.source.push("if (vm.breakOutOfInterpreter) {vm.pc = ",this.prevPC,"; return}\n"),this.needsLabel[this.prevPC]=!0);for(var a=[],o=this.prevPC;o<this.pc;o++)a.push((this.method.bytes[o]+256).toString(16).slice(-2).toUpperCase());if(this.source.push("// ",this.prevPC," <",a.join(" "),"> ",e),t)switch(this.source.push(" "),t){case"vm.nilObj":this.source.push("nil");break;case"vm.trueObj":this.source.push("true");break;case"vm.falseObj":this.source.push("false");break;case"rcvr":this.source.push("self");break;case"stack[vm.sp]":this.source.push("top of stack");break;case"inst[":this.instVarNames?this.source.push(this.instVarNames[i]):this.source.push("inst var ",i);break;case"temp[":this.source.push("tmp",i-6),"]"!==r&&this.source.push("[",s,"]");break;case"lit[":var u=this.method.pointers[i];"]"===r?this.source.push(u):this.source.push(u.pointers[0].bytesAsString());break;default:this.source.push(t)}this.source.push("\n"),this.needsBreak=this.singleStep},generateInstruction:function(e,t){this.debug&&this.generateDebugCode(e),this.generateLabel(),this.source.push(t,";\n")},deleteUnneededLabels:function(){var e,t=!1;for(e in this.sourceLabels)if(this.needsLabel[e])t=!0;else for(var i=0;i<3;i++)this.source[this.sourceLabels[e]+i]="";t||(this.source[this.sourcePos["loop-start"]]="",this.source[this.sourcePos["loop-end"]]="")},deleteUnneededVariables:function(){this.needsVar.stack&&(this.needsVar.context=!0),this.needsVar["inst["]&&(this.needsVar.rcvr=!0);for(var e=0;e<this.allVars.length;e++){var t=this.allVars[e];this.needsVar[t]||(this.source[this.sourcePos[t]]="")}}}),Object.extend(Squeak,"audio",{startAudioOut:function(){return this.audioOutContext||(this.audioOutContext=new AudioContext),this.audioOutContext},stopAudioOut:function(){this.audioOutContext&&(this.audioOutContext.close(),this.audioOutContext=null)},startAudioIn:function(t,i){return this.audioInContext?(this.audioInSource.disconnect(),t(this.audioInContext,this.audioInSource)):navigator.mediaDevices?void navigator.mediaDevices.getUserMedia({audio:!0}).then(e=>{this.audioInContext=new AudioContext,this.audioInSource=this.audioInContext.createMediaStreamSource(e),t(this.audioInContext,this.audioInSource)}).catch(e=>i("cannot access microphone. "+e.name+": "+e.message)):i("test: audio input not supported")},stopAudioIn:function(){this.audioInSource&&(this.audioInSource.disconnect(),this.audioInSource=null,this.audioInContext.close(),this.audioInContext=null)}}),Object.extend(Squeak,"known classes",{BitBlt_dest:0,BitBlt_source:1,BitBlt_halftone:2,BitBlt_combinationRule:3,BitBlt_destX:4,BitBlt_destY:5,BitBlt_width:6,BitBlt_height:7,BitBlt_sourceX:8,BitBlt_sourceY:9,BitBlt_clipX:10,BitBlt_clipY:11,BitBlt_clipW:12,BitBlt_clipH:13,BitBlt_colorMap:14,BitBlt_warpBase:15,Form_bits:0,Form_width:1,Form_height:2,Form_depth:3,Form_offset:4}),Object.extend(Squeak.Primitives.prototype,"display",{displayDirty:function(){}}),Object.extend(Squeak.Primitives.prototype,"display",{initDisplay:function(e){this.display=e,this.display.vm=this.vm,this.indexedColors=[4294967295,4278190081,4294967295,4286611584,4294901760,4278255360,4278190335,4278255615,4294967040,4294902015,4280295456,4282400832,4284506208,4288651167,4290756543,4292861919,4278716424,4279242768,4279769112,4280821800,4281348144,4281874488,4282927176,4283453520,4283979864,4285032552,4285558896,4286085240,4287072135,4287598479,4288124823,4289177511,4289703855,4290230199,4291282887,4291809231,4292335575,4293388263,4293914607,4294440951,4278190081,4278203136,4278216192,4278229248,4278242304,4278255360,4278190131,4278203187,4278216243,4278229299,4278242355,4278255411,4278190182,4278203238,4278216294,4278229350,4278242406,4278255462,4278190233,4278203289,4278216345,4278229401,4278242457,4278255513,4278190284,4278203340,4278216396,4278229452,4278242508,4278255564,4278190335,4278203391,4278216447,4278229503,4278242559,4278255615,4281532416,4281545472,4281558528,4281571584,4281584640,4281597696,4281532467,4281545523,4281558579,4281571635,4281584691,4281597747,4281532518,4281545574,4281558630,4281571686,4281584742,4281597798,4281532569,4281545625,4281558681,4281571737,4281584793,4281597849,4281532620,4281545676,4281558732,4281571788,4281584844,4281597900,4281532671,4281545727,4281558783,4281571839,4281584895,4281597951,4284874752,4284887808,4284900864,4284913920,4284926976,4284940032,4284874803,4284887859,4284900915,4284913971,4284927027,4284940083,4284874854,4284887910,4284900966,4284914022,4284927078,4284940134,4284874905,4284887961,4284901017,4284914073,4284927129,4284940185,4284874956,4284888012,4284901068,4284914124,4284927180,4284940236,4284875007,4284888063,4284901119,4284914175,4284927231,4284940287,4288217088,4288230144,4288243200,4288256256,4288269312,4288282368,4288217139,4288230195,4288243251,4288256307,4288269363,4288282419,4288217190,4288230246,4288243302,4288256358,4288269414,4288282470,4288217241,4288230297,4288243353,4288256409,4288269465,4288282521,4288217292,4288230348,4288243404,4288256460,4288269516,4288282572,4288217343,4288230399,4288243455,4288256511,4288269567,4288282623,4291559424,4291572480,4291585536,4291598592,4291611648,4291624704,4291559475,4291572531,4291585587,4291598643,4291611699,4291624755,4291559526,4291572582,4291585638,4291598694,4291611750,4291624806,4291559577,4291572633,4291585689,4291598745,4291611801,4291624857,4291559628,4291572684,4291585740,4291598796,4291611852,4291624908,4291559679,4291572735,4291585791,4291598847,4291611903,4291624959,4294901760,4294914816,4294927872,4294940928,4294953984,4294967040,4294901811,4294914867,4294927923,4294940979,4294954035,4294967091,4294901862,4294914918,4294927974,4294941030,4294954086,4294967142,4294901913,4294914969,4294928025,4294941081,4294954137,4294967193,4294901964,4294915020,4294928076,4294941132,4294954188,4294967244,4294902015,4294915071,4294928127,4294941183,4294954239,4294967295]},primitiveBeCursor:function(e){if(this.display.cursorCanvas){var t=this.loadForm(this.stackNonInteger(e),!0),i=1===e?this.loadForm(this.stackNonInteger(0)):null;if(!this.success||!t)return!1;var r=this.display.cursorCanvas,s=r.getContext("2d"),n={left:0,top:0,right:t.width,bottom:t.height},i=(r.width=t.width,r.height=t.height,1===t.depth?i?(t=this.cursorMergeMask(t,i),this.showForm(s,t,n,[0,4278190335,4294967295,4278190080])):this.showForm(s,t,n,[0,4278190080]):this.showForm(s,t,n,!0),this.display.context.canvas),s=i.offsetWidth/i.width,n=this.display.highdpi?window.devicePixelRatio:1;r.style.width=(r.width*n*s|0)+"px",r.style.height=(r.height*n*s|0)+"px",this.display.cursorOffsetX=t.offsetX*s|0,this.display.cursorOffsetY=t.offsetY*s|0}return this.vm.popN(e),!0},cursorMergeMask:function(e,t){for(var i=new Uint32Array(16),r=0;r<16;r++){for(var s=e.bits[r],n=t.bits[r],a=2147483648,o=0,u=0;u<16;u++)o=o|(n&a)>>u|(s&a)>>u+1,a>>>=1;i[r]=o}return{obj:e.obj,bits:i,depth:2,width:16,height:16,offsetX:e.offsetX,offsetY:e.offsetY,msb:!0,pixPerWord:16,pitch:1}},primitiveBeDisplay:function(e){var t=this.vm.stackValue(0);return this.vm.specialObjects[Squeak.splOb_TheDisplay]=t,this.vm.popN(e),!0},primitiveReverseDisplay:function(e){if(this.reverseDisplay=!this.reverseDisplay,this.redrawDisplay(),this.display.cursorCanvas){for(var t=this.display.cursorCanvas,i=t.getContext("2d"),t=i.getImageData(0,0,t.width,t.height),r=new Uint32Array(t.data.buffer),s=0;s<r.length;s++)r[s]=16777215^r[s];i.putImageData(t,0,0)}return!0},primitiveShowDisplayRect:function(e){var t={left:this.stackInteger(3),top:this.stackInteger(1),right:this.stackInteger(2),bottom:this.stackInteger(0)};return!!this.success&&(this.redrawDisplay(t),this.vm.popN(e),!0)},redrawDisplay:function(e){var t=this.theDisplay(),i={left:0,top:0,right:t.width,bottom:t.height};e&&(e.left>i.left&&(i.left=e.left),e.right<i.right&&(i.right=e.right),e.top>i.top&&(i.top=e.top),e.bottom<i.bottom)&&(i.bottom=e.bottom),i.left<i.right&&i.top<i.bottom&&this.displayUpdate(t,i)},showForm:function(e,t,i,r){if(i){var s=i.left,n=i.top,a=i.right-s,o=i.bottom-n,u=e.createImageData(a,o),l=u.data,c=(l.buffer||(l=new Uint8Array(a*o*4)),new Uint32Array(l.buffer));switch(t.depth){case 1:case 2:case 4:case 8:if(!(h=r||this.swappedColors)){for(var h=[],f=0;f<256;f++){var p=(4278255360&(I=this.indexedColors[f]))+((16711680&I)>>16)+((255&I)<<16);h[f]=p}this.swappedColors=h}this.reverseDisplay&&(h=r?r.map(function(e){return 16777215^e}):(this.reversedColors||(this.reversedColors=h.map(function(e){return 16777215^e})),this.reversedColors));for(var d=(1<<t.depth)-1,m=32-(s%t.pixPerWord+1)*t.depth,v=0;v<o;v++){for(var g=t.pitch*n+(s/t.pixPerWord|0),k=m,b=t.bits[g],y=u.width*v,S=0;S<a;S++)c[y++]=h[b>>>k&d],(k-=t.depth)<0&&(k=32-t.depth,b=t.bits[++g]);n++}break;case 16:for(m=s%2?0:16,v=0;v<o;v++){for(g=t.pitch*n+(s/2|0),k=m,b=t.bits[g],y=u.width*v,S=0;S<a;S++){var F=b>>>k;c[y++]=((31744&F)>>7)+((992&F)<<6)+((31&F)<<19)+4278190080,(k-=16)<0&&(k=16,b=t.bits[++g])}n++}break;case 32:for(var O=r?0:4278190080,v=0;v<o;v++){for(g=t.pitch*n+s,y=u.width*v,S=0;S<a;S++){var I,p=4278255360&(I=t.bits[g++])|(16711680&I)>>16|(255&I)<<16|O;c[y++]=p}n++}break;default:throw Error("depth not implemented")}u.data!==l&&u.data.set(l),e.putImageData(u,i.left,i.top)}},primitiveDeferDisplayUpdates:function(e){var t=this.stackBoolean(0);return!!this.success&&(this.deferDisplayUpdates=t,this.vm.popN(e),!0)},primitiveForceDisplayUpdate:function(e){return this.vm.breakOut(),this.vm.popN(e),!0},primitiveScanCharacters:function(e){if(6!==e)return!1;var t=this.stackInteger(0),i=this.stackNonInteger(1),r=this.stackInteger(2),s=this.stackNonInteger(3),n=this.stackInteger(4),e=this.stackInteger(5);if(!this.success)return!1;if(i.pointersSize()<258||!s.isBytes())return!1;if(!(0<e&&0<n&&n<=s.bytesSize()))return!1;var a=this.stackNonInteger(6);if(!this.success||a.pointersSize()<4)return!1;var o=this.checkSmallInt(a.pointers[0]),u=this.checkSmallInt(a.pointers[1]),l=this.checkNonInteger(a.pointers[2]),c=this.checkNonInteger(a.pointers[3]);if(!this.success||256!==c.pointersSize())return!1;for(var h=l.pointersSize()-2,u=e;u<=n;){var f=s.bytes[u-1],p=i.pointers[f];if(!p.isNil)return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=u,this.popNandPushIfOK(7,p));f=this.checkSmallInt(c.pointers[f]);if(!this.success||f<0||h<f)return!1;var d=this.checkSmallInt(l.pointers[f]),f=this.checkSmallInt(l.pointers[f+1]);if(!this.success)return!1;f=o+f-d;if(r<f)return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=u,p=i.pointers[257],this.popNandPushIfOK(7,p));o=f+t,u+=1}return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=n,p=i.pointers[256],this.popNandPushIfOK(7,p))},primitiveScreenSize:function(e){var t=this.display,i=t.width||t.context.canvas.width,t=t.height||t.context.canvas.height;return this.popNandPushIfOK(e+1,this.makePointWithXandY(i,t))},primitiveScreenScaleFactor:function(e){var t=this.display.scale||1;return this.popNandPushIfOK(e+1,this.makeFloat(1/t))},primitiveSetFullScreen:function(e){var t,i=this.stackBoolean(0);return!!this.success&&(this.display.fullscreen!=i&&(this.display.fullscreenRequest?(t=this.vm.freeze(),this.display.fullscreenRequest(i,function(){t()})):(this.display.fullscreen=i,this.vm.breakOut())),this.vm.popN(e),!0)},primitiveTestDisplayDepth:function(e){return this.popNandPushBoolIfOK(e+1,0<=[1,2,4,8,16,32].indexOf(this.stackInteger(0)))},loadForm:function(e,t){if(e.isNil)return null;var i={obj:e,bits:e.pointers[Squeak.Form_bits].wordsOrBytes(),depth:e.pointers[Squeak.Form_depth],width:e.pointers[Squeak.Form_width],height:e.pointers[Squeak.Form_height]};if(t&&(t=e.pointers[Squeak.Form_offset],i.offsetX=t.pointers?t.pointers[Squeak.Point_x]:0,i.offsetY=t.pointers?t.pointers[Squeak.Point_y]:0),0!==i.width&&0!==i.height){if(!(0<i.width&&0<i.height))return null;if(i.msb=0<i.depth,i.msb||(i.depth=-i.depth),!(0<i.depth))return null;if(i.pixPerWord=32/i.depth,i.pitch=(i.width+(i.pixPerWord-1))/i.pixPerWord|0,i.bits.length!==i.pitch*i.height){if(!(i.bits.length>i.pitch*i.height))return null;this.vm.warnOnce("loadForm(): "+i.bits.length+" !== "+i.pitch+"*"+i.height+"="+i.pitch*i.height)}}return i},theDisplay:function(){return this.loadForm(this.vm.specialObjects[Squeak.splOb_TheDisplay])},displayDirty:function(e,t){this.deferDisplayUpdates||e!=this.vm.specialObjects[Squeak.splOb_TheDisplay]||this.displayUpdate(this.theDisplay(),t)},displayUpdate:function(e,t){this.showForm(this.display.context,e,t),this.display.lastTick=this.vm.lastTick,this.display.idle=0},primitiveBeep:function(e){var t,i=Squeak.startAudioOut();return i?((t=i.createOscillator()).connect(i.destination),t.type="square",t.frequency.value=880,t.start(),t.stop(i.currentTime+.05)):this.vm.warnOnce("could not initialize audio"),this.popNIfOK(e)}}),Object.extend(Squeak,"files",{fsck:function(t,i,r,s,n){if(i=i||"",s=s||{dirs:[],files:[]},n=n||{dirs:0,files:0,bytes:0,deleted:0},!r&&(r={},Object.keys(Squeak.Settings).forEach(function(e){e=e.match(/squeak-file(\.lz)?:(.*)$/);e&&(r[e[2]]=!0)}),window.SqueakDBFake&&Object.keys(SqueakDBFake.bigFiles).forEach(function(e){r[e]=!0}),"undefined"!=typeof indexedDB))return this.dbTransaction("readonly","fsck cursor",function(e){e=e.openCursor();e.onsuccess=function(e){e=e.target.result;e?(r[e.key]=e.value.byteLength,e.continue()):Squeak.fsck(t,i,r,s,n)},e.onerror=function(e){console.error("fsck failed")}});var e,a=Squeak.dirList(i);for(e in a){var o=i+"/"+e;a[e][3]?(n.dirs++,"squeak:"+o in Squeak.Settings?Squeak.fsck(null,o,r,s,n):s.dirs.push(o)):(n.files++,o in r?(r[o]=null,n.bytes+=a[e][4]):s.files.push(o))}if(""===i){console.log("squeak fsck: "+n.dirs+" directories, "+n.files+" files, "+(n.bytes/1e6).toFixed(1)+" MBytes");var u=[];for(o in r)null!==(c=r[o])&&u.push({path:o,size:c});for(var l=0;l<u.length;l++){var o=Squeak.splitFilePath(u[l].path),c=u[l].size,h=(console.log("squeak fsck: restoring "+o.fullname+" ("+c+" bytes)"),Squeak.dirCreate(o.dirname,!0,"force"),Squeak.dirList(o.dirname)),f=Squeak.totalSeconds(),f=[o.basename,f,0,!1,c];h[o.basename]=f,Squeak.Settings["squeak:"+o.dirname]=JSON.stringify(h)}for(l=0;l<s.dirs.length;l++){i=s.dirs[l];Squeak.Settings["squeak:"+i]||(console.log("squeak fsck: cleaning up directory "+i),Squeak.dirDelete(i),n.dirs--,n.deleted++)}for(l=0;l<s.files.length;l++)(o=s.files[l])in r||Squeak.Settings["squeak:"+o]||(console.log("squeak fsck: cleaning up file entry "+o),Squeak.fileDelete(o),n.files--,n.deleted++);t&&t(n)}},dbTransaction:function(i,r,s,n){function t(){s(Squeak.dbFake()),n&&n()}if("undefined"==typeof indexedDB)return t();function a(){var e=SqueakDB.transaction("files",i),t=e.objectStore("files");e.oncomplete=function(e){n&&n()},e.onerror=function(e){console.error(e.target.error.name+": "+r)},e.onabort=function(e){console.error(e.target.error.name+": aborting "+r),s(Squeak.dbFake()),n&&n()},s(t)}if(window.SqueakDB)return a();var e;try{e=indexedDB.open("squeak")}catch(e){}if(!e)return t();e.onsuccess=function(e){Squeak.debugFiles&&console.log("Opened files database."),window.SqueakDB=this.result,SqueakDB.onversionchange=function(e){delete window.SqueakDB,this.close()},SqueakDB.onerror=function(e){console.error("Error accessing database: "+e.target.error.name)},a()},e.onupgradeneeded=function(e){Squeak.debugFiles&&console.log("Creating files database"),e.target.result.createObjectStore("files")},e.onerror=function(e){console.error(e.target.error.name+": cannot open files database"),console.warn("Falling back to local storage"),t()},e.onblocked=function(e){console.log("Database upgrade needed, but was blocked."),console.warn("Falling back to local storage"),t()}},dbFake:function(){return"undefined"==typeof SqueakDBFake&&("undefined"==typeof indexedDB&&console.warn("IndexedDB not supported by this browser, using localStorage"),window.SqueakDBFake={bigFiles:{},bigFileThreshold:1e5,get:function(e){var t=SqueakDBFake.bigFiles[e];if(!t){var i,r=Squeak.Settings["squeak-file:"+e];if(r||(i=Squeak.Settings["squeak-file.lz:"+e])&&("object"==typeof LZString?r=LZString.decompressFromUTF16(i):console.error("LZString not loaded: cannot decompress "+e)),r){for(var s=new Uint8Array(r.length),n=0;n<s.length;n++)s[n]=255&r.charCodeAt(n);t=s.buffer}}var a={result:t};return setTimeout(function(){a.onsuccess&&a.onsuccess({target:a})},0),a},put:function(e,t){e.byteLength>SqueakDBFake.bigFileThreshold?(SqueakDBFake.bigFiles[t]||console.log("File "+t+" ("+e.byteLength+" bytes) too large, storing in memory only"),SqueakDBFake.bigFiles[t]=e):(e=Squeak.bytesAsString(new Uint8Array(e)),"object"==typeof LZString?(i=LZString.compressToUTF16(e),Squeak.Settings["squeak-file.lz:"+t]=i,delete Squeak.Settings["squeak-file:"+t]):Squeak.Settings["squeak-file:"+t]=e);var i,r={};return setTimeout(function(){r.onsuccess&&r.onsuccess()},0),r},delete:function(e){delete Squeak.Settings["squeak-file:"+e],delete Squeak.Settings["squeak-file.lz:"+e],delete SqueakDBFake.bigFiles[e];var t={};return setTimeout(function(){t.onsuccess&&t.onsuccess()},0),t},openCursor:function(){var e={};return setTimeout(function(){e.onsuccess&&e.onsuccess({target:e})},0),e}}),SqueakDBFake},fileGet:function(e,t,i){i=i||function(e){console.log(e)};var r,s=this.splitFilePath(e);return s.basename?(Squeak.debugFiles&&(console.log("Reading "+s.fullname),r=t,t=function(e){console.log("Read "+e.byteLength+" bytes from "+s.fullname),r(e)}),window.SqueakDBFake&&SqueakDBFake.bigFiles[s.fullname]?t(SqueakDBFake.bigFiles[s.fullname]):void this.dbTransaction("readonly","get "+e,function(e){e=e.get(s.fullname);e.onerror=function(e){i(e.target.error.name)},e.onsuccess=function(e){if(void 0!==this.result)return t(this.result);Squeak.fetchTemplateFile(s.fullname,function(e){t(e)},function(){if("undefined"==typeof indexedDB)return i("file not found: "+s.fullname);var e=Squeak.dbFake().get(s.fullname);e.onerror=function(e){i("file not found: "+s.fullname)},e.onsuccess=function(e){t(this.result)}})}})):i("Invalid path: "+e)},filePut:function(e,t,i){var r=this.splitFilePath(e);if(!r.basename)return null;var s=this.dirList(r.dirname);if(!s)return null;var n=s[r.basename],a=this.totalSeconds();if(n){if(n[3])return null}else n=[r.basename,a,0,!1,0],s[r.basename]=n;return Squeak.debugFiles&&(console.log("Writing "+r.fullname+" ("+t.byteLength+" bytes)"),0<t.byteLength)&&e.endsWith(".log")&&console.log((new TextDecoder).decode(t).replace(/\r/g,"\n")),n[2]=a,n[4]=t.byteLength||t.length||0,Squeak.Settings["squeak:"+r.dirname]=JSON.stringify(s),this.dbTransaction("readwrite","put "+e,function(e){e.put(t,r.fullname)},function(){i&&i()}),n},fileDelete:function(e,t){var i,r,s=this.splitFilePath(e);return!!s.basename&&!!(i=this.dirList(s.dirname))&&!(!(r=i[s.basename])||r[3]||(delete i[s.basename],Squeak.Settings["squeak:"+s.dirname]=JSON.stringify(i),Squeak.debugFiles&&console.log("Deleting "+s.fullname),t||this.dbTransaction("readwrite","delete "+e,function(e){e.delete(s.fullname)}),0))},fileRename:function(e,t){var i,r,s,n=this.splitFilePath(e);return!(!n.basename||!(i=this.splitFilePath(t)).basename||!(e=this.dirList(n.dirname))||!(t=e[n.basename])||t[3]||!(s=(r=n.dirname==i.dirname)?e:this.dirList(i.dirname))||s[i.basename]||(Squeak.debugFiles&&console.log("Renaming "+n.fullname+" to "+i.fullname),delete e[n.basename],t[0]=i.basename,s[i.basename]=t,Squeak.Settings["squeak:"+i.dirname]=JSON.stringify(s),r||(Squeak.Settings["squeak:"+n.dirname]=JSON.stringify(e)),this.fileGet(n.fullname,function(t){this.dbTransaction("readwrite","rename "+n.fullname+" to "+i.fullname,function(e){e.delete(n.fullname),e.put(t,i.fullname)})}.bind(this),function(e){console.log("File rename failed: "+e)}.bind(this)),0))},fileExists:function(e){var t,e=this.splitFilePath(e);return!!e.basename&&!!(t=this.dirList(e.dirname))&&!(!(t=t[e.basename])||t[3])},dirCreate:function(e,t,i){e=this.splitFilePath(e);if(!e.basename)return!1;t&&!Squeak.Settings["squeak:"+e.dirname]&&Squeak.dirCreate(e.dirname,!0);t=this.dirList(e.dirname);if(!t)return!1;var r=t[e.basename];if(r){if(!r[3]){if(!i)return!1;r[3]=!0,Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t)}if(Squeak.Settings["squeak:"+e.fullname])return!0}Squeak.debugFiles&&console.log("Creating directory "+e.fullname);i=this.totalSeconds(),r=[e.basename,i,i,!0,0];return t[e.basename]=r,Squeak.Settings["squeak:"+e.fullname]=JSON.stringify({}),Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t),!0},dirDelete:function(e){e=this.splitFilePath(e);if(!e.basename)return!1;var t=this.dirList(e.dirname);if(!t)return!1;if(!t[e.basename])return!1;var i=this.dirList(e.fullname);if(i)for(var r in i)return!1;return Squeak.debugFiles&&console.log("Deleting directory "+e.fullname),delete t[e.basename],Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t),delete Squeak.Settings["squeak:"+e.fullname],!0},dirList:function(e,t){var i,e=this.splitFilePath(e),r=Squeak.Settings["squeak:"+e.fullname],t=t&&Squeak.Settings["squeak-template:"+e.fullname];function s(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[(i=t[i])[0]]=i)}return r||t?(i={},t&&s(i,JSON.parse(t).entries),r&&s(i,JSON.parse(r)),i):"/"==e.fullname?{}:null},splitFilePath:function(e){var t=(e=(e="/"!==e[0]?"/"+e:e).replace(/\/\//g,"/")).match(/(.*)\/(.*)/);return{fullname:e,dirname:t[1]||"/",basename:t[2]||null}},splitUrl:function(e,t){var i=e.match(/(.*\/)?(.*)/),r=i[1]||"",i=i[2]||"";return r.match(/^[a-z]+:\/\//)||(t&&!t.match(/\/$/)&&(t+="/"),e=(r=(t||"")+r)+i),{full:e,uptoslash:r,filename:i}},flushFile:function(e){var t;e.modified&&((t=e.contents.buffer).byteLength!==e.size&&(t=new ArrayBuffer(e.size),new Uint8Array(t).set(e.contents.subarray(0,e.size))),Squeak.filePut(e.name,t),e.modified=!1)},flushAllFiles:function(){if("undefined"!=typeof SqueakFiles)for(var e in SqueakFiles)this.flushFile(SqueakFiles[e])},closeAllFiles:function(){Squeak.flushAllFiles(),delete window.SqueakFiles},fetchTemplateDir:function(n,a){function o(e,t){var i,r=JSON.parse(Squeak.Settings["squeak-template:"+e]);for(i in r.entries){var s=r.entries[i];s[3]&&Squeak.fetchTemplateDir(e+"/"+s[0],t+"/"+s[0])}}var t,u;n=Squeak.splitFilePath(n).fullname,Squeak.Settings["squeak-template:"+n]?o(n,a):(t=a+"/sqindex.json",(u=new XMLHttpRequest).open("GET",t,!0),u.onload=function(e){if(200==u.status){console.log("adding template dir "+n),!function e(t){var i,r=Squeak.splitFilePath(t);"/"!==r.dirname&&e(r.dirname),(t=JSON.parse(Squeak.Settings["squeak-template:"+r.dirname]||'{"entries": {}}')).entries[r.basename]||(i=Squeak.totalSeconds(),t.entries[r.basename]=[r.basename,i,i,!0,0],Squeak.Settings["squeak-template:"+r.dirname]=JSON.stringify(t))}(n);var t,i=JSON.parse(u.response),r={url:a,entries:{}};for(t in i){var s=i[t];r.entries[s[0]]=s}Squeak.Settings["squeak-template:"+n]=JSON.stringify(r),o(n,a)}else u.onerror(u.statusText)},u.onerror=function(e){console.log("cannot load template index "+t)},u.send())},fetchTemplateFile:function(t,i,r){t=Squeak.splitFilePath(t);var e=Squeak.Settings["squeak-template:"+t.dirname];if(!e)return r();var s=JSON.parse(e).url;if(!s)return r();s+="/"+t.basename;e=new XMLHttpRequest;e.open("get",s,!0),e.responseType="arraybuffer",e.timeout=3e4,e.onreadystatechange=function(){var e;this.readyState==this.DONE&&(200==this.status?(e=this.response,console.log("Got "+e.byteLength+" bytes from "+s),Squeak.dirCreate(t.dirname,!0),Squeak.filePut(t.fullname,e),i(e)):(console.error("Download failed ("+this.status+") "+s),r()))},console.log("Fetching "+s),e.send()}}),Object.extend(Squeak,"events",{Mouse_Blue:1,Mouse_Yellow:2,Mouse_Red:4,Keyboard_Shift:8,Keyboard_Ctrl:16,Keyboard_Alt:32,Keyboard_Cmd:64,Mouse_All:7,Keyboard_All:120,EventTypeNone:0,EventTypeMouse:1,EventTypeKeyboard:2,EventTypeDragDropFiles:3,EventKeyChar:0,EventKeyDown:1,EventKeyUp:2,EventDragEnter:1,EventDragMove:2,EventDragLeave:3,EventDragDrop:4}),Object.extend(Squeak.Primitives.prototype,"input",{primitiveClipboardText:function(e){if(0===e){if("string"!=typeof this.display.clipboardString)return!1;this.vm.popNandPush(1,this.makeStString(this.display.clipboardString))}else 1===e&&((e=this.vm.top()).bytes&&(this.display.clipboardString=e.bytesAsString(),this.display.clipboardStringChanged=!0),this.vm.pop());return!0},primitiveKeyboardNext:function(e){return this.popNandPushIfOK(e+1,this.ensureSmallInt(this.display.keys.shift()))},primitiveKeyboardPeek:function(e){var t=this.display.keys.length;return this.popNandPushIfOK(e+1,t?this.ensureSmallInt(this.display.keys[0]||0):this.vm.nilObj)},primitiveMouseButtons:function(e){return this.popNandPushIfOK(e+1,this.ensureSmallInt(this.display.buttons)),this.vm.breakOut(),20<this.display.idle++&&this.vm.goIdle(),!0},primitiveMousePoint:function(e){var t=this.ensureSmallInt(this.display.mouseX),i=this.ensureSmallInt(this.display.mouseY);return this.popNandPushIfOK(e+1,this.makePointWithXandY(t,i))},primitiveInputSemaphore:function(e){var t=this.stackInteger(0);return!!this.success&&(this.inputEventSemaIndex=t,this.display.signalInputEvent=function(){this.signalSemaphoreWithIndex(this.inputEventSemaIndex)}.bind(this),this.display.signalInputEvent(),this.popNIfOK(e))},primitiveInputWord:function(e){return this.popNandPushIfOK(1,0)},primitiveGetNextEvent:function(e){this.display.idle++;var t=this.stackNonInteger(0);return!!this.display.getNextEvent&&(this.display.getNextEvent(t.pointers,this.vm.startupTime),this.popNIfOK(e))}}),Object.extend(Squeak.Primitives.prototype,"initialization",{initPlugins:function(){Object.extend(this.builtinModules,{JavaScriptPlugin:this.findPluginFunctions("js_"),FilePlugin:this.findPluginFunctions("","primitive(Disable)?(File|Directory)"),DropPlugin:this.findPluginFunctions("","primitiveDropRequest"),SoundPlugin:this.findPluginFunctions("snd_"),JPEGReadWriter2Plugin:this.findPluginFunctions("jpeg2_"),SqueakFFIPrims:this.findPluginFunctions("ffi_","",!0),SecurityPlugin:{primitiveDisableImageWrite:this.fakePrimitive.bind(this,"SecurityPlugin.primitiveDisableImageWrite",0)},LocalePlugin:{primitiveTimezoneOffset:this.fakePrimitive.bind(this,"LocalePlugin.primitiveTimezoneOffset",0)}}),Object.extend(this.patchModules,{ScratchPlugin:this.findPluginFunctions("scratch_")})},findPluginFunctions:function(e,t,i){t=t||"(initialise|shutdown|prim)";var r,s,n={},a=new RegExp("^"+e+t,"i");for(r in this)a.test(r)&&"function"==typeof this[r]&&(s=r,n[s=e?r[e.length].toLowerCase()+r.slice(e.length+1):s]=i?r:this[r].bind(this));return n}}),Object.extend(Squeak,"known classes",{ExtLibFunc_handle:0,ExtLibFunc_flags:1,ExtLibFunc_argTypes:2,ExtLibFunc_name:3,ExtLibFunc_module:4,ExtLibFunc_errorCodeName:5},"FFI error codes",{FFINoCalloutAvailable:-1,FFIErrorGenericError:0,FFIErrorNotFunction:1,FFIErrorBadArgs:2,FFIErrorBadArg:3,FFIErrorIntAsPointer:4,FFIErrorBadAtomicType:5,FFIErrorCoercionFailed:6,FFIErrorWrongType:7,FFIErrorStructSize:8,FFIErrorCallType:9,FFIErrorBadReturn:10,FFIErrorBadAddress:11,FFIErrorNoModule:12,FFIErrorAddressNotFound:13,FFIErrorAttemptToPassVoid:14,FFIErrorModuleNotFound:15,FFIErrorBadExternalLibrary:16,FFIErrorBadExternalFunction:17,FFIErrorInvalidPointer:18,FFIErrorCallFrameTooBig:19},"FFI types",{FFITypeVoid:0,FFITypeBool:1,FFITypeUnsignedInt8:2,FFITypeSignedInt8:3,FFITypeUnsignedInt16:4,FFITypeSignedInt16:5,FFITypeUnsignedInt32:6,FFITypeSignedInt32:7,FFITypeUnsignedInt64:8,FFITypeSignedInt64:9,FFITypeUnsignedChar8:10,FFITypeSignedChar8:11,FFITypeSingleFloat:12,FFITypeDoubleFloat:13,FFITypeUnsignedChar16:14,FFITypeUnsignedChar32:15,FFIFlagAtomic:262144,FFIFlagPointer:131072,FFIFlagStructure:65536,FFIFlagAtomicPointer:393216,FFIFlagMask:458752,FFIStructSizeMask:65535,FFIAtomicTypeMask:251658240,FFIAtomicTypeShift:24}),Object.extend(Squeak.Primitives.prototype,"FFI",{ffi_lastError:0,ffiModules:{},ffiDoCallout:function(e,t,i){this.ffi_lastError=Squeak.FFIErrorGenericError;var r=t.pointers[Squeak.ExtLibFunc_module].bytesAsString(),s=t.pointers[Squeak.ExtLibFunc_name].bytesAsString(),r=r||"libc",n=this.ffiModules[r];if(void 0===n){if(!Squeak.externalModules[r]){var a=["","lib"],o=["",".so",".so.9",".9",".so.8",".8",".so.7",".7",".so.6",".6",".so.5",".5",".so.4",".4",".so.3",".3",".so.2",".2",".so.1",".1"];e:for(var u=0;u<a.length;u++)for(var l=a[u],c=0;c<o.length;c++){var h=o[c];if(Squeak.externalModules[l+r+h]){n=l+r+h;break e}if(l&&r.startsWith(l)&&Squeak.externalModules[r.slice(l.length)+h]){n=r.slice(l.length)+h;break e}if(h&&r.endsWith(h)&&Squeak.externalModules[l+r.slice(0,-h.length)]){n=l+r.slice(0,-h.length);break e}}n&&console.log("FFI: found library "+r+" as module "+n)}this.ffiModules[r]=n=n||r}var f=this.loadedModules[n];if(void 0!==f||(f=this.loadModule(n),this.loadedModules[n]=f)||this.vm.warnOnce("FFI: library not found: "+r),!f)return this.ffi_lastError=Squeak.FFIErrorModuleNotFound,!1;for(var p,d=t.pointers[Squeak.ExtLibFunc_argTypes].pointers,m=[],v=0;v<i.length;v++)m.push(this.ffiArgFromSt(i[v],d[v+1]));if(s in f)p=f[s].apply(f,m);else if(this.vm.warnOnce("FFI: function not found: "+r+"::"+s)&&console.warn(m),void 0===(p=f.ffiFunctionNotFoundHandler?f.ffiFunctionNotFoundHandler(s,m):p))return this.ffi_lastError=Squeak.FFIErrorAddressNotFound,!1;t=this.ffiResultToSt(p,d[0]);return this.popNandPushIfOK(e+1,t)},ffiArgFromSt:function(e,t){var i,r,s=t.pointers[0].words[0];switch(s&Squeak.FFIFlagMask){case Squeak.FFIFlagAtomic:switch(i=(s&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeVoid:return null;case Squeak.FFITypeBool:if(e.isTrue)return!0;if(e.isFalse)return!1;if("number"==typeof e)return!!e;if(e.isFloat)return!!e.float;throw Error("FFI: expected bool, got "+e);case Squeak.FFITypeUnsignedInt8:case Squeak.FFITypeSignedInt8:case Squeak.FFITypeUnsignedInt16:case Squeak.FFITypeSignedInt16:case Squeak.FFITypeUnsignedInt32:case Squeak.FFITypeSignedInt32:case Squeak.FFITypeUnsignedInt64:case Squeak.FFITypeSignedInt64:case Squeak.FFITypeUnsignedChar8:case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar16:case Squeak.FFITypeUnsignedChar32:if("number"==typeof e)return e;throw Error("FFI: expected integer, got "+e);case Squeak.FFITypeSingleFloat:case Squeak.FFITypeDoubleFloat:if("number"==typeof e)return e;if(e.isFloat)return e.float;throw Error("FFI: expected float, got "+e);default:throw Error("FFI: unimplemented atomic arg type: "+i)}case Squeak.FFIFlagAtomicPointer:switch(i=(s&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeUnsignedChar8:if(e.bytes)return e.bytesAsString();if(e.words)return String.fromChar.apply(null,e.wordsAsUint8Array());if(this.interpreterProxy.isWordsOrBytes(e))return"";if(e.pointers&&e.pointers[0].jsData)if((r=e.pointers[0].jsData)instanceof"string")return r;throw Error("FFI: expected string, got "+e);case Squeak.FFITypeUnsignedInt8:if(e.bytes)return e.bytes;if(e.words)return e.wordsAsUint8Array();if(this.interpreterProxy.isWordsOrBytes(e))return new Uint8Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Uint8Array)return r;if(r instanceof ArrayBuffer)return new Uint8Array(r)}throw Error("FFI: expected bytes, got "+e);case Squeak.FFITypeUnsignedInt32:if(e.words)return e.words;if(this.interpreterProxy.isWords(e))return new Uint32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Uint32Array)return r;if(r instanceof ArrayBuffer)return new Uint32Array(r)}throw Error("FFI: expected words, got "+e);case Squeak.FFITypeSignedInt32:if(e.words)return e.wordsAsInt32Array();if(this.interpreterProxy.isWords(e))return new Int32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Int32Array)return r;if(r instanceof ArrayBuffer)return new Int32Array(r)}throw Error("FFI: expected words, got "+e);case Squeak.FFITypeSingleFloat:if(e.words)return e.wordsAsFloat32Array();if(e.isFloat)return new Float32Array([e.float]);if(this.interpreterProxy.isWords(e))return new Float32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Float32Array)return r;if(r instanceof ArrayBuffer)return new Float32Array(r)}throw Error("FFI: expected floats, got "+e);case Squeak.FFITypeDoubleFloat:if(e.words)return e.wordsAsFloat64Array();if(e.isFloat)return new Float64Array([e.float]);if(this.interpreterProxy.isWords(e))return new Float64Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Float64Array)return r;if(r instanceof ArrayBuffer)return new Float64Array(r)}throw Error("FFI: expected floats, got "+e);case Squeak.FFITypeVoid:if(e.words)return e.words.buffer;if(e.bytes)return e.bytes.buffer;if(e.isNil||this.interpreterProxy.isWordsOrBytes(e))return new ArrayBuffer(0);if(e.pointers&&e.pointers[0].jsData)if((r=e.pointers[0].jsData)instanceof ArrayBuffer)return r;throw Error("FFI: expected words or bytes, got "+e);default:throw Error("FFI: unimplemented atomic array arg type: "+i)}default:throw Error("FFI: unimplemented arg type flags: "+s)}},ffiResultToSt:function(e,t){var i,r=t.pointers[0].words[0];switch(r&Squeak.FFIFlagMask){case Squeak.FFIFlagAtomic:switch(i=(r&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeVoid:return this.vm.nilObj;case Squeak.FFITypeBool:return e?this.vm.trueObj:this.vm.falseObj;case Squeak.FFITypeUnsignedInt8:case Squeak.FFITypeSignedInt8:case Squeak.FFITypeUnsignedInt16:case Squeak.FFITypeSignedInt16:case Squeak.FFITypeUnsignedInt32:case Squeak.FFITypeSignedInt32:case Squeak.FFITypeUnsignedInt64:case Squeak.FFITypeSignedInt64:case Squeak.FFITypeUnsignedChar8:case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar16:case Squeak.FFITypeUnsignedChar32:case Squeak.FFITypeSingleFloat:case Squeak.FFITypeDoubleFloat:if("number"!=typeof e)throw Error("FFI: expected number, got "+e);return this.makeStObject(e);default:throw Error("FFI: unimplemented atomic return type: "+i)}case Squeak.FFIFlagAtomicPointer:switch(i=(r&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar8:return this.makeStString(e);default:return this.ffiMakeStExternalData(e,t)}default:throw Error("FFI: unimplemented return type flags: "+r)}},ffiNextExtAddr:0,ffiMakeStExternalAddress:function(){var e=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassExternalAddress],4);return new Uint32Array(e.bytes.buffer)[0]=++this.ffiNextExtAddr,e},ffiMakeStExternalData:function(e,t){var i=this.ffiMakeStExternalAddress(),e=(i.jsData=e,this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassExternalData],0));return e.pointers[0]=i,e.pointers[1]=t,e},ffiDataFromStack:function(e){e=this.stackNonInteger(e);return void 0!==e.jsData?e.jsData:e.bytes||e.words||(this.vm.warnOnce("FFI: expected ExternalAddress with jsData, got "+e),void(this.success=!1))},ffi_primitiveFFIAllocate:function(e){var t,i=this.stackInteger(0);return!!this.success&&((t=this.ffiMakeStExternalAddress()).jsData=new ArrayBuffer(i),this.popNandPushIfOK(e+1,t))},ffi_primitiveFFIFree:function(e){var t=this.stackNonInteger(0);return!!this.success&&(void 0===t.jsData?(this.vm.warnOnce("primitiveFFIFree: expected ExternalAddress with jsData, got "+t),!1):(delete t.jsData,!0))},primitiveCalloutToFFI:function(e,t){t=t.pointers[1];if(!this.isKindOf(t,Squeak.splOb_ClassExternalFunction))return!1;for(var i=[],r=e-1;0<=r;r--)i.push(this.vm.stackValue(r));return this.ffiDoCallout(e,t,i)},ffi_primitiveCalloutWithArgs:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!!this.isKindOf(t,Squeak.splOb_ClassExternalFunction)&&this.ffiDoCallout(e,t,i.pointers)},ffi_primitiveFFIGetLastError:function(e){return this.popNandPushIfOK(e+1,this.ffi_lastError)},ffi_primitiveFFIIntegerAt:function(e){var t,i=this.ffiDataFromStack(3),r=this.stackInteger(2),s=this.stackInteger(1),n=this.stackBoolean(0);if(!this.success)return!1;if(r<0||s<1||8<s||0!=(s&s-1))return!1;if(1!==s||n)return this.vm.warnOnce("FFI: unimplemented integer type size: "+s+" signed: "+n),!1;if("string"==typeof i)t=i.charCodeAt(r-1)||0;else{if(!(i instanceof Uint8Array))return this.vm.warnOnce("FFI: expected string or Uint8Array, got "+typeof i),!1;t=i[r]||0}return this.popNandPushIfOK(e+1,t)},ffi_primitiveFFIDoubleAtPut:function(e){var t=this.ffiDataFromStack(2),i=this.stackInteger(1),r=this.vm.stackValue(0),s=r.isFloat?r.float:r;return!(!this.success||"number"!=typeof s)&&(7&--i?new DataView(t).setFloat64(i,s,!0):new Float64Array(t)[i/8]=s,this.popNandPushIfOK(e+1,r))}}),Object.extend(Squeak.Primitives.prototype,"JavaScriptPlugin",{js_primitiveDoUnderstand:function(e){var t=this.stackNonInteger(1),i=this.js_objectOrGlobal(t),r=this.stackNonInteger(0).pointers,s=r[0].bytesAsString(),r=r[1].pointers||[],n=!("jsObject"in t),a=null;try{var o,u=s.match(/([^:]*)/)[0];if(n||"new"!==u){if(!(u in i))return this.js_setError("Property not found: "+u);var l=i[u];if("function"==typeof l&&(!n||0<r.length))a=l.apply(i,this.js_fromStArray(r));else if(0==r.length)a=l;else{if(1!=r.length)return this.js_setError("Property "+u+" is not a function");i[u]=this.js_fromStObject(r[0])}}else a=new(0===r.length?i:(o=[null].concat(this.js_fromStArray(r)),Function.prototype.bind.apply(i,o)))}catch(e){return this.js_setError(e.message)}s=this.makeStObject(a,t.sqClass);return this.popNandPushIfOK(e+1,s)},js_primitiveAsString:function(e){var t=this.js_objectOrGlobal(this.stackNonInteger(0));return this.popNandPushIfOK(e+1,this.makeStString(String(t)))},js_primitiveTypeof:function(e){var t=this.js_objectOrGlobal(this.stackNonInteger(0));return this.popNandPushIfOK(e+1,this.makeStString(typeof t))},js_primitiveAt:function(e){var t=this.stackNonInteger(1),i=this.vm.stackValue(0);try{var r=this.js_objectOrGlobal(t)[this.js_fromStObject(i)],s=this.makeStObject(r,t.sqClass)}catch(e){return this.js_setError(e.message)}return this.popNandPushIfOK(e+1,s)},js_primitiveAtPut:function(e){var t=this.stackNonInteger(2),i=this.vm.stackValue(1),r=this.vm.stackValue(0);try{var s=this.js_objectOrGlobal(t),n=this.js_fromStObject(i),a=this.js_fromStObject(r);s[n]=a}catch(e){return this.js_setError(e.message)}return this.popNandPushIfOK(e+1,r)},js_primitiveSqueakAsJSObject:function(e){var t=this.stackNonInteger(1),i=this.vm.stackValue(0);return this.success&&(t.jsObject=i),this.popNIfOK(e)},js_primitiveInitCallbacks:function(e){return this.js_callbackSema=this.stackInteger(0),this.js_activeCallback=null,this.popNIfOK(e)},js_primitiveGetActiveCallbackBlock:function(e){var t=this.js_activeCallback;return t?this.popNandPushIfOK(e+1,t.block):this.js_setError("No active callback")},js_primitiveGetActiveCallbackArgs:function(e){var t=this.stackNonInteger(e),i=this.js_activeCallback;if(!i)return this.js_setError("No active callback");try{var r=this.makeStArray(i.args,t);return this.popNandPushIfOK(e+1,r)}catch(e){return this.js_setError(e.message)}},js_primitiveReturnFromCallback:function(e){return 1===e&&(this.js_activeCallback?(this.js_activeCallback.result=this.vm.pop(),this.vm.breakOut(),!0):this.js_setError("No active callback"))},js_primitiveGetError:function(e){var t=this.makeStObject(this.js_error);return this.js_error=null,this.popNandPushIfOK(e+1,t)},js_setError:function(e){return this.js_error=String(e),!1},js_fromStObject:function(e){if("number"==typeof e)return e;if(e.jsObject)return e.jsObject;if(e.isFloat)return e.float;if(e.isNil)return null;if(e.isTrue)return!0;if(e.isFalse)return!1;if(e.bytes||e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassString])return e.bytesAsString();if(e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassArray])return this.js_fromStArray(e.pointers||[],!0);if(e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassBlockContext]||e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassBlockClosure])return this.js_fromStBlock(e);throw Error("asJSArgument needed for "+e)},js_fromStArray:function(e,t){if(0<e.length&&t&&this.isAssociation(e[0]))return this.js_fromStDict(e);for(var i=[],r=0;r<e.length;r++)i.push(this.js_fromStObject(e[r]));return i},js_fromStDict:function(e){for(var t={},i=0;i<e.length;i++){var r=e[i].pointers;if(!r||2!==r.length)throw Error(r+" is not an Association");var s=this.js_fromStObject(r[0]),r=this.js_fromStObject(r[1]);t[s]=r}return t},js_fromStBlock:function(r){if(!this.js_callbackSema)throw Error("CallbackSemaphore not set");this.vm.reclaimableContextCount=0;var t=r.pointers[Squeak.BlockContext_argumentCount],s=("number"!=typeof t&&(t=r.pointers[Squeak.Closure_numArgs]),this);return function(){for(var i=[],e=0;e<t;e++)i.push(arguments[e]);return new Promise(function(e,t){self.setTimeout(function(){s.js_executeCallbackAsync(r,i,e,t)},0)})}},js_executeCallbackAsync:function(e,t,i,r){var s=this;this.js_activeCallback||this.vm.frozen?self.setTimeout(function(){s.js_executeCallbackAsync(e,t,i,r)},0):this.js_executeCallback(e,t,i,r)},js_executeCallback:function(t,e,i,r){if(this.js_activeCallback)return console.error("Callback: already active");this.js_activeCallback={block:t,args:e,result:null},this.signalSemaphoreWithIndex(this.js_callbackSema),this.vm.forceInterruptCheck();for(var s=Date.now()+500;Date.now()<s&&!this.js_activeCallback.result;)this.vm.interpret();t=this.js_activeCallback.result;if(this.js_activeCallback=null,t)try{i(this.js_fromStObject(t))}catch(e){i(t.toString())}else r(Error("SqueakJS timeout"))},js_objectOrGlobal:function(e){return"jsObject"in e?e.jsObject:self}}),Object.extend(Squeak.Primitives.prototype,"Obsolete",{primitiveFloatArrayAt:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAt",e)},primitiveFloatArrayMulFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveMulFloatArray",e)},primitiveFloatArrayAddScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAddScalar",e)},primitiveFloatArrayDivFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDivFloatArray",e)},primitiveFloatArrayDivScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDivScalar",e)},primitiveFloatArrayHash:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveHash",e)},primitiveFloatArrayAtPut:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAtPut",e)},primitiveFloatArrayMulScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveMulScalar",e)},primitiveFloatArrayAddFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAddFloatArray",e)},primitiveFloatArraySubScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveSubScalar",e)},primitiveFloatArraySubFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveSubFloatArray",e)},primitiveFloatArrayEqual:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveEqual",e)},primitiveFloatArrayDotProduct:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDotProduct",e)},m23PrimitiveInvertRectInto:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveInvertRectInto",e)},m23PrimitiveTransformPoint:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveTransformPoint",e)},m23PrimitiveIsPureTranslation:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveIsPureTranslation",e)},m23PrimitiveComposeMatrix:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveComposeMatrix",e)},m23PrimitiveTransformRectInto:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveTransformRectInto",e)},m23PrimitiveIsIdentity:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveIsIdentity",e)},m23PrimitiveInvertPoint:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveInvertPoint",e)},primitiveDeflateBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveDeflateBlock",e)},primitiveDeflateUpdateHashTable:function(e){return this.namedPrimitive("ZipPlugin","primitiveDeflateUpdateHashTable",e)},primitiveUpdateGZipCrc32:function(e){return this.namedPrimitive("ZipPlugin","primitiveUpdateGZipCrc32",e)},primitiveInflateDecompressBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveInflateDecompressBlock",e)},primitiveZipSendBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveZipSendBlock",e)},primitiveFFTTransformData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTTransformData",e)},primitiveFFTScaleData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTScaleData",e)},primitiveFFTPermuteData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTPermuteData",e)},gePrimitiveMergeFillFrom:function(e){return this.namedPrimitive("B2DPlugin","primitiveMergeFillFrom",e)},gePrimitiveCopyBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveCopyBuffer",e)},gePrimitiveAddRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddRect",e)},gePrimitiveAddGradientFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddGradientFill",e)},gePrimitiveSetClipRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetClipRect",e)},gePrimitiveSetBitBltPlugin:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetBitBltPlugin",e)},gePrimitiveRegisterExternalEdge:function(e){return this.namedPrimitive("B2DPlugin","primitiveRegisterExternalEdge",e)},gePrimitiveGetClipRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetClipRect",e)},gePrimitiveAddBezier:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBezier",e)},gePrimitiveInitializeProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveInitializeProcessing",e)},gePrimitiveRenderImage:function(e){return this.namedPrimitive("B2DPlugin","primitiveRenderImage",e)},gePrimitiveGetOffset:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetOffset",e)},gePrimitiveSetDepth:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetDepth",e)},gePrimitiveAddBezierShape:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBezierShape",e)},gePrimitiveSetEdgeTransform:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetEdgeTransform",e)},gePrimitiveGetTimes:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetTimes",e)},gePrimitiveNextActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextActiveEdgeEntry",e)},gePrimitiveAddBitmapFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBitmapFill",e)},gePrimitiveGetDepth:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetDepth",e)},gePrimitiveAbortProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveAbortProcessing",e)},gePrimitiveNextGlobalEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextGlobalEdgeEntry",e)},gePrimitiveGetFailureReason:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetFailureReason",e)},gePrimitiveDisplaySpanBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveDisplaySpanBuffer",e)},gePrimitiveGetCounts:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetCounts",e)},gePrimitiveChangedActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveChangedActiveEdgeEntry",e)},gePrimitiveRenderScanline:function(e){return this.namedPrimitive("B2DPlugin","primitiveRenderScanline",e)},gePrimitiveGetBezierStats:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetBezierStats",e)},gePrimitiveFinishedProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveFinishedProcessing",e)},gePrimitiveNeedsFlush:function(e){return this.namedPrimitive("B2DPlugin","primitiveNeedsFlush",e)},gePrimitiveAddLine:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddLine",e)},gePrimitiveSetOffset:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetOffset",e)},gePrimitiveNextFillEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextFillEntry",e)},gePrimitiveInitializeBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveInitializeBuffer",e)},gePrimitiveDoProfileStats:function(e){return this.namedPrimitive("B2DPlugin","primitiveDoProfileStats",e)},gePrimitiveAddActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddActiveEdgeEntry",e)},gePrimitiveSetAALevel:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetAALevel",e)},gePrimitiveNeedsFlushPut:function(e){return this.namedPrimitive("B2DPlugin","primitiveNeedsFlushPut",e)},gePrimitiveAddCompressedShape:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddCompressedShape",e)},gePrimitiveSetColorTransform:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetColorTransform",e)},gePrimitiveAddOval:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddOval",e)},gePrimitiveRegisterExternalFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveRegisterExternalFill",e)},gePrimitiveAddPolygon:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddPolygon",e)},gePrimitiveGetAALevel:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetAALevel",e)}}),Object.extend(Squeak.Primitives.prototype,"DropPlugin",{primitiveDropRequestFileHandle:function(e){var t=this.stackInteger(0),i=this.display.droppedFiles||[];return!(t<1||t>i.length||(i=i[t-1],!(t=this.fileOpen(i,!1)))||(i=this.makeFileHandle(i,t,!1),this.popNandPushIfOK(e+1,i),0))},primitiveDropRequestFileName:function(e){var t=this.stackInteger(0),i=this.display.droppedFiles||[];return!(t<1||t>i.length)&&(i=this.makeStString(this.filenameToSqueak(i[t-1])),this.popNandPushIfOK(e+1,i))}}),Object.extend(Squeak.Primitives.prototype,"FilePlugin",{primitiveDirectoryCreate:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.dirCreate(t),this.success||(t=Squeak.splitFilePath(t),Squeak.debugFiles&&console.warn("Directory not created: "+t.fullname)),this.popNIfOK(e))},primitiveDirectoryDelete:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.dirDelete(t),this.popNIfOK(e))},primitiveDirectoryDelimitor:function(e){var t=this.emulateMac?":":"/";return this.popNandPushIfOK(1,this.charFromInt(t.charCodeAt(0)))},primitiveDirectoryEntry:function(e){var t,i=this.stackNonInteger(1),r=this.stackNonInteger(0);return!!this.success&&(r=r.bytesAsString(),r=this.filenameFromSqueak(r),i=i.bytesAsString(),i=this.filenameFromSqueak(i),(t=Squeak.dirList(i,!0))?(t="."===r?[".",0,0,!0,0]:t[r],this.popNandPushIfOK(e+1,this.makeStObject(t)),!0):(r=Squeak.splitFilePath(i),Squeak.debugFiles&&console.log("Directory not found: "+r.fullname),!1))},primitiveDirectoryLookup:function(e){var t=this.stackInteger(0),i=this.stackNonInteger(1);if(!this.success)return!1;var i=i.bytesAsString(),r=this.filenameFromSqueak(i),s=Squeak.dirList(r,!0);if(!s)return n=Squeak.splitFilePath(r),Squeak.debugFiles&&console.log("Directory not found: "+n.fullname),!1;Squeak.debugFiles&&1===t&&console.log("Reading directory "+r+" with "+Object.keys(s).length+" entries");var n=s[Object.keys(s).sort()[t-1]];return"/"===i&&(1===t?((n=n||[0,0,0,0,0])[0]="SqueakJS",n[3]=!0):n=null),this.popNandPushIfOK(e+1,this.makeStObject(n)),!0},primitiveDirectorySetMacTypeAndCreator:function(e){return this.popNIfOK(e)},primitiveFileAtEnd:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeStObject(t.filePos>=t.file.size)),0))},primitiveFileClose:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file)&&("string"==typeof t.file?this.fileConsoleFlush(t.file):(this.fileClose(t.file),this.vm.breakOut(),t.file=null),this.popNIfOK(e))},primitiveFileDelete:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.fileDelete(t),this.popNIfOK(e))},primitiveFileFlush:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file)&&("string"==typeof t.file?this.fileConsoleFlush(t.file):(Squeak.flushFile(t.file),this.vm.breakOut()),this.popNIfOK(e))},primitiveFileGetPosition:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t.filePos)),0))},makeFileHandle:function(e,t,i){e=this.makeStString("squeakjs:"+e);return e.file=t,e.fileWrite=i,e.filePos=0,e},primitiveFileOpen:function(e){var t=this.stackBoolean(0),i=this.stackNonInteger(1);return!!this.success&&(i=this.filenameFromSqueak(i.bytesAsString()),!!(i=this.fileOpen(i,t)))&&(i=this.makeFileHandle(i.name,i,t),this.popNandPushIfOK(e+1,i),!0)},primitiveFileRead:function(s){var n,a=this.stackInteger(0),o=this.stackInteger(1)-1,u=this.stackNonInteger(2),l=this.stackNonInteger(3);return!!(this.success&&u.isWordsOrBytes()&&l.file)&&(a?((n=u.bytes)||(n=u.wordsAsUint8Array(),o*=4,a*=4),!(o<0||o+a>n.length)&&("string"==typeof l.file?(this.popNandPushIfOK(s+1,0),!0):this.fileContentsDo(l.file,function(e){if(!e.contents)return this.popNandPushIfOK(s+1,0);var t=e.contents,i=n;a=Math.min(a,e.size-l.filePos);for(var r=0;r<a;r++)i[o+r]=t[l.filePos++];u.bytes||(a>>=2),this.popNandPushIfOK(s+1,Math.max(0,a))}.bind(this)))):this.popNandPushIfOK(s+1,0))},primitiveFileRename:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),i=this.filenameFromSqueak(i.bytesAsString()),this.success=Squeak.fileRename(t,i),this.vm.breakOut(),this.popNIfOK(e))},primitiveFileSetPosition:function(e){var t=this.stackPos32BitInt(0),i=this.stackNonInteger(1);return!(!this.success||!i.file)&&(i.filePos=t,this.popNIfOK(e))},primitiveFileSize:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t.file.size)),0))},primitiveFileStdioHandles:function(e){var t=[null,this.makeFileHandle("console.log","log",!0),this.makeFileHandle("console.error","error",!0)];return this.popNandPushIfOK(e+1,this.makeStArray(t)),!0},primitiveFileTruncate:function(e){var t=this.stackPos32BitInt(0),i=this.stackNonInteger(1);return!!(this.success&&i.file&&i.fileWrite)&&(i.file.size>t&&(i.file.size=t,i.file.modified=!0,i.filePos>i.file.size)&&(i.filePos=i.file.size),this.popNIfOK(e))},primitiveDisableFileAccess:function(e){return this.fakePrimitive("FilePlugin.primitiveDisableFileAccess",0,e)},primitiveFileWrite:function(n){var a,o=this.stackInteger(0),u=this.stackInteger(1)-1,e=this.stackNonInteger(2),l=this.stackNonInteger(3);return!!(this.success&&l.file&&l.fileWrite)&&(o?((a=e.bytes)||(a=e.wordsAsUint8Array(),u*=4,o*=4),!!a&&!(u<0||u+o>a.length)&&("string"==typeof l.file?(this.fileConsoleWrite(l.file,a,u,o),this.popNandPushIfOK(n+1,o),!0):this.fileContentsDo(l.file,function(e){var t,i=a,r=e.contents||[];l.filePos+o>r.length&&(t=0===r.length?l.filePos+o:Math.max(l.filePos+o,r.length+1e4),e.contents=new Uint8Array(t),e.contents.set(r),r=e.contents);for(var s=0;s<o;s++)r[l.filePos++]=i[u+s];l.filePos>e.size&&(e.size=l.filePos),e.modified=!0,this.popNandPushIfOK(n+1,o)}.bind(this)))):this.popNandPushIfOK(n+1,0))},fileOpen:function(e,t){"undefined"==typeof SqueakFiles&&(window.SqueakFiles={});e=Squeak.splitFilePath(e);if(!e.basename)return null;var i=Squeak.dirList(e.dirname,!0);if(!i)return null;var i=i[e.basename],r=null;if(i){if(s=SqueakFiles[e.fullname])return++s.refCount,s}else{if(!t)return Squeak.debugFiles&&console.log("File not found: "+e.fullname),null;if(r=new Uint8Array,!(i=Squeak.filePut(e.fullname,r.buffer)))return Squeak.debugFiles&&console.log("Cannot create file: "+e.fullname),null}var s={name:e.fullname,size:i[4],contents:r,modified:!1,refCount:1};return SqueakFiles[s.name]=s},fileClose:function(e){Squeak.flushFile(e),0==--e.refCount&&delete SqueakFiles[e.name]},fileContentsDo:function(r,s){if(r.contents)s(r);else{if(!1===r.contents)return!1;this.vm.freeze(function(t){var i=function(e){console.warn("File get failed: "+e),r.contents=!1,t(),s(r)}.bind(this),e=function(e){if(null==e)return i(r.name);r.contents=this.asUint8Array(e),t(),s(r)}.bind(this);Squeak.fileGet(r.name,e,i)}.bind(this))}return!0},fileConsoleBuffer:{log:"",error:""},fileConsoleWrite:function(e,t,i,r){t=t.subarray(i,i+r),i=this.fileConsoleBuffer[e]+Squeak.bytesAsString(t),r=i.match("([^]*)\n(.*)");r&&(console[e](r[1]),i=r[2]),this.fileConsoleBuffer[e]=i},fileConsoleFlush:function(e){var t=this.fileConsoleBuffer[e];t&&(console[e](t),this.fileConsoleBuffer[e]="")}}),Object.extend(Squeak.Primitives.prototype,"JPEGReadWriter2Plugin",{jpeg2_primJPEGPluginIsPresent:function(e){return this.popNandPushIfOK(e+1,this.vm.trueObj)},jpeg2_primImageHeight:function(e){var t=this.stackNonInteger(0).wordsOrBytes();return!!t&&(t=t[1],this.popNandPushIfOK(e+1,t))},jpeg2_primImageWidth:function(e){var t=this.stackNonInteger(0).wordsOrBytes();return!!t&&(t=t[0],this.popNandPushIfOK(e+1,t))},jpeg2_primJPEGCompressStructSize:function(e){return this.popNandPushIfOK(e+1,0)},jpeg2_primJPEGDecompressStructSize:function(e){return this.popNandPushIfOK(e+1,8)},jpeg2_primJPEGErrorMgr2StructSize:function(e){return this.popNandPushIfOK(e+1,0)},jpeg2_primJPEGReadHeaderfromByteArrayerrorMgr:function(e){var t,i=this.stackNonInteger(2).wordsOrBytes(),r=this.stackNonInteger(1).bytes;return!(!i||!r)&&(t=this.vm.freeze(),this.jpeg2_readImageFromBytes(r,function(e){this.jpeg2state={src:r,img:e},i[0]=e.width,i[1]=e.height,t()}.bind(this),function(){i[0]=0,i[1]=0,t()}.bind(this)),this.popNIfOK(e))},jpeg2_primJPEGReadImagefromByteArrayonFormdoDitheringerrorMgr:function(e){var t=this.stackNonInteger(3).bytes,i=this.stackNonInteger(2).pointers,r=this.stackBoolean(1);if(!this.success||!t||!i)return!1;var s=this.jpeg2state;if(!s||s.src!==t)return console.error("jpeg read did not match header info"),!1;t=i[Squeak.Form_depth],s=this.jpeg2_getPixelsFromImage(s.img),i=i[Squeak.Form_bits].words;if(32===t)this.jpeg2_copyPixelsToForm32(s,i);else{if(16!==t)return!1;r?this.jpeg2_ditherPixelsToForm16(s,i):this.jpeg2_copyPixelsToForm16(s,i)}return this.popNIfOK(e)},jpeg2_primJPEGWriteImageonByteArrayformqualityprogressiveJPEGerrorMgr:function(e){var t,i,r,s,n,a;return!(e<6||(t=this.stackNonInteger(4).bytes,n=this.stackNonInteger(3).pointers,i=this.stackInteger(2),!(this.success&&t&&n)))&&(r=n[Squeak.Form_width],s=n[Squeak.Form_height],a=n[Squeak.Form_depth],n=n[Squeak.Form_bits].words,32!==a?(this.vm.warnOnce("JPEG2WriteImage: only 32 bit depth supported"),!1):(a=this.jpeg2_writeFormToBytes(n,r,s,i,t),this.popNandPushIfOK(e+1,a)))},jpeg2_writeFormToBytes:function(e,t,i,r,s){for(var n=document.createElement("canvas"),a=n.getContext("2d"),t=(n.width=t,n.height=i,a.createImageData(t,i)),o=t.data,u=0;u<e.length;u++){var l=e[u];o[4*u+0]=l>>16&255,o[4*u+1]=l>>8&255,o[4*u+2]=255&l,o[4*u+3]=255}a.putImageData(t,0,0);i=n.toDataURL("image/jpeg",r/100);return this.jpeg2_dataURLToBytes(i,s)},jpeg2_dataURLToBytes:function(e,t){e=e.split(",")[1];if(!e)return 0;if(3*e.length/4-3>t.length)return 0;var i=atob(e);if(i.length>t.length)return 0;for(var r=0;r<i.length;r++)t[r]=i.charCodeAt(r);return i.length},jpeg2_readImageFromBytes:function(e,t,i){var e=new Blob([e],{type:"image/jpeg"}),r=new Image;r.onload=function(){t(r),URL.revokeObjectURL(r.src)},r.onerror=function(){console.warn("could not render JPEG"),i(),URL.revokeObjectURL(r.src)},r.src=URL.createObjectURL(e)},jpeg2_getPixelsFromImage:function(e){var t=document.createElement("canvas"),i=t.getContext("2d");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height)},jpeg2_copyPixelsToForm32:function(e,t){for(var i=e.data,r=0;r<t.length;r++){var s=i[4*r+0],n=i[4*r+1],a=i[4*r+2];t[r]=4278190080|s<<16|n<<8|a}},jpeg2_copyPixelsToForm16:function(e,t){for(var i=e.width,r=e.height,s=e.data,n=0;n<r;n++)for(var a=0;a<i;a+=2){var o=n*r+a,u=s[4*o+0]>>3<<10|s[4*o+1]>>3<<5|s[4*o+2]>>3;0==(65535&(u=(u=0===u?1:u)<<16|s[4*o+4]>>3<<10|s[4*o+5]>>3<<5|s[4*o+6]>>3))&&(u|=1),t[o>>1]=u}},jpeg2_ditherPixelsToForm16:function(e,t){for(var i=e.width>>1,r=e.height,s=e.data,n=[2,0,14,12,1,3,13,15],a=[10,8,6,4,9,11,5,7],o=0;o<r;o++)for(var u=0;u<i;u++){var l=o*r+2*u<<2,c=s[l],h=s[1+l],f=s[2+l],p=s[4+l],d=s[5+l],m=s[6+l],v=(3&o)<<1|1&u,g=n[v],v=a[v],k=496*c>>8,b=15&k,y=k>>4,c=g<b?1+y:y;y=(k=496*h>>8)>>4,h=g<(15&k)?1+y:y,y=(k=496*f>>8)>>4,f=g<(15&k)?1+y:y,y=(k=496*p>>8)>>4,p=v<(15&k)?1+y:y,y=(k=496*d>>8)>>4,d=v<(15&k)?1+y:y,y=(k=496*m>>8)>>4;b=c<<10|h<<5|f;0==(65535&(b=(b=0===b?1:b)<<16|p<<10|d<<5|(m=v<(15&k)?1+y:y)))&&(b|=1),t[l>>3]=b}}}),Object.extend(Squeak.Primitives.prototype,"ScratchPluginAdditions",{scratch_primitiveOpenURL:function(e){var t,i,r=this.stackNonInteger(0).bytesAsString();return""!=r&&(/^\/SqueakJS\//.test(r)&&(r=r.slice(10),t=Squeak.splitFilePath(r),i=Squeak.Settings["squeak-template:"+t.dirname])&&(r=JSON.parse(i).url+"/"+t.basename),window.open(r,"_blank"),this.popNIfOK(e))},scratch_primitiveGetFolderPath:function(e){var t,i=this.stackInteger(0);return!!this.success&&!!(t=1===i?"/":t)&&(this.vm.popNandPush(e+1,this.makeStString(this.filenameToSqueak(t))),!0)}}),Object.extend(Squeak.Primitives.prototype,"SoundPlugin",{snd_primitiveSoundStart:function(e){return this.snd_primitiveSoundStartWithSemaphore(e)},snd_primitiveSoundStartWithSemaphore:function(e){var t=this.stackInteger(e-1),i=this.stackInteger(e-2),r=this.stackBoolean(e-3),s=3<e?this.stackInteger(e-4):0;return!!this.success&&(this.audioContext=Squeak.startAudioOut(),this.audioContext?(this.audioSema=s,this.audioNextTimeSlot=0,this.audioBuffersReady=[],this.audioBuffersUnused=[this.audioContext.createBuffer(r?2:1,t,i),this.audioContext.createBuffer(r?2:1,t,i)],this.popNIfOK(e)):(this.vm.warnOnce("could not initialize audio"),!1))},snd_playNextBuffer:function(){var e;this.audioContext&&0!==this.audioBuffersReady.length&&((e=this.audioContext.createBufferSource()).buffer=this.audioBuffersReady.shift(),e.connect(this.audioContext.destination),this.audioNextTimeSlot<this.audioContext.currentTime&&(this.audioNextTimeSlot=this.audioContext.currentTime),e.start(this.audioNextTimeSlot),this.audioNextTimeSlot+=e.buffer.duration,window.setTimeout(function(){this.audioContext&&this.vm.forceInterruptCheck&&(this.audioBuffersUnused.push(e.buffer),this.audioSema&&this.signalSemaphoreWithIndex(this.audioSema),this.vm.forceInterruptCheck())}.bind(this),1e3*(this.audioNextTimeSlot-this.audioContext.currentTime)),this.snd_playNextBuffer())},snd_primitiveSoundAvailableSpace:function(e){var t,i;return this.audioContext?((i=0)<this.audioBuffersUnused.length&&(i=(t=this.audioBuffersUnused[0]).length*t.numberOfChannels*2),this.popNandPushIfOK(e+1,i)):(console.warn("sound: no audio context"),!1)},snd_primitiveSoundPlaySamples:function(e){if(!this.audioContext||0===this.audioBuffersUnused.length)return console.warn("sound: play but no free buffers"),!1;var t=this.stackInteger(2),i=this.stackNonInteger(1).wordsAsInt16Array(),r=this.stackInteger(0)-1;if(!this.success||!i)return!1;for(var s=this.audioBuffersUnused.shift(),n=s.numberOfChannels,a=0;a<n;a++)for(var o=s.getChannelData(a),u=r+a,l=0;l<t;l++)o[l]=i[u]/32768,u+=n;return this.audioBuffersReady.push(s),this.snd_playNextBuffer(),this.popNIfOK(e)},snd_primitiveSoundPlaySilence:function(e){if(!this.audioContext||0===this.audioBuffersUnused.length)return console.warn("sound: play but no free buffers"),!1;for(var t=this.audioBuffersUnused.shift(),i=t.numberOfChannels,r=t.length,s=0;s<i;s++)for(var n=t.getChannelData(s),a=0;a<r;a++)n[a]=0;return this.audioBuffersReady.push(t),this.snd_playNextBuffer(),this.popNandPushIfOK(e+1,r)},snd_primitiveSoundStop:function(e){return this.audioContext&&(this.audioContext=null,this.audioBuffersReady=null,this.audioBuffersUnused=null,this.audioNextTimeSlot=0,this.audioSema=0),this.popNIfOK(e)},snd_primitiveSoundStartRecording:function(r){var t,s,n,a,i,o,u;return 3===r&&(t=this.stackNonInteger(3),s=this.stackInteger(2),n=this.stackBoolean(1),a=this.stackInteger(0),!!this.success)&&(i=this.primMethod,o=this.vm.freeze(),u=this,Squeak.startAudioIn(function(e,t){for(u.audioInContext=e,u.audioInSource=t,u.audioInSema=a,u.audioInBuffers=[],u.audioInBufferIndex=0,u.audioInOverSample=1;s*u.audioInOverSample<u.audioInContext.sampleRate;)u.audioInOverSample*=2;for(var i=1024*u.audioInOverSample;i/u.audioInContext.sampleRate<.1;)i*=2;u.audioInProcessor=e.createScriptProcessor(i,n?2:1,n?2:1),u.audioInProcessor.onaudioprocess=function(e){u.snd_recordNextBuffer(e.inputBuffer)},u.audioInSource.connect(u.audioInProcessor),u.audioInProcessor.connect(e.destination),u.vm.popN(r),window.setTimeout(o,0)},function(e){console.warn(e),u.vm.sendAsPrimitiveFailure(t,i,r),window.setTimeout(o,0)}),!0)},snd_recordNextBuffer:function(e){this.audioInContext&&(5<this.audioInBuffers.length&&this.audioInBuffers.shift(),this.audioInBuffers.push(e),this.audioInSema&&this.signalSemaphoreWithIndex(this.audioInSema),this.vm.forceInterruptCheck())},snd_primitiveSoundGetRecordingSampleRate:function(e){var t;return!!this.audioInContext&&(t=this.audioInContext.sampleRate/this.audioInOverSample|0,this.popNandPushIfOK(e+1,t))},snd_primitiveSoundRecordSamples:function(e){var t=this.stackNonInteger(1).wordsAsInt16Array(),i=this.stackInteger(0)-1;if(!this.success)return!1;for(var r=0;i<t.length&&0!==this.audioInBuffers.length;){for(var s=this.audioInBuffers[0],n=s.numberOfChannels,a=n,o=this.audioInOverSample,u=(t.length-i)/a,l=(s.length-this.audioInBufferIndex)/o,c=Math.min(l,u),h=0;h<n;h++)for(var f=s.getChannelData(h),p=this.audioInBufferIndex,d=i+h,m=0;m<c;m++)t[d]=32768*f[p]&65535,d+=a,p+=o;r+=c*n,i+=c*n,p<s.length?this.audioInBufferIndex=p:(this.audioInBufferIndex=0,this.audioInBuffers.shift())}return this.popNandPushIfOK(e+1,r)},snd_primitiveSoundStopRecording:function(e){return this.audioInContext&&(this.audioInSource.disconnect(),this.audioInProcessor.disconnect(),this.audioInContext=null,this.audioInSema=0,this.audioInBuffers=null,this.audioInSource=null,this.audioInProcessor=null,console.log("sound recording stopped")),Squeak.stopAudioIn(),this.popNIfOK(e)},snd_primitiveSoundSetRecordLevel:function(e){return this.vm.warnOnce("sound set record level not supported"),this.popNIfOK(e)}}),!function(){var t=1,i=11;function a(e,t){return 31<t?0:e<<t}function o(e,t){return 31<t?0:e>>>t}var w=0,A=0,C=0,P=null,_=null,e="ADPCMCodecPlugin 3 November 2014 (e)",x=null;function r(){return e}function V(e){for(var t,i=0,r=e;;){if(!(0<(t=r-w)))return i+=o(C,0-t),C&=o(255,8-(w-=r)),i;i+=a(C,t),r-=w,C=P[++A-1],w=8}}function k(e,t){for(var i,r,s=t,n=e;;){if(!((r=(i=8-w)-n)<0))return C+=a(s,r),w+=n,self;C+=o(s,0-r),P[++A-1]=C,s&=a(1,(C=w=0)-r)-1,n-=i}}function s(){var e,t,i,r,s,n,a,o,u,l=_.stackValue(1),c=_.stackIntegerValue(0),h=_.fetchIntegerofObject(0,l),f=_.fetchIntegerofObject(1,l),p=_.fetchIntegerofObject(2,l),d=_.fetchIntegerofObject(3,l),m=_.fetchIntegerofObject(4,l),v=_.fetchIntegerofObject(5,l);if(C=_.fetchIntegerofObject(6,l),w=_.fetchIntegerofObject(7,l),A=_.fetchIntegerofObject(8,l),P=_.fetchBytesofObject(9,l),u=_.fetchInt16ArrayofObject(10,l),o=_.fetchIntegerofObject(12,l),n=_.fetchIntegerofObject(13,l),x=_.fetchInt16ArrayofObject(14,l),a=_.fetchInt16ArrayofObject(15,l),_.failed())return null;for(i=1;i<=c;i++){if(1==(i&v))32767<(h=V(16))&&(h-=65536),f=V(6);else{for(t=V(n),s=x[f],r=0,e=m;0<e;)0<(t&e)&&(r+=s),s>>>=1,e>>>=1;r+=s,0<(t&p)?h-=r:h+=r,32767<h?h=32767:h<-32768&&(h=-32768),(f+=a[t&d])<0?f=0:88<f&&(f=88)}u[++o-1]=h}if(_.failed())return null;_.storeIntegerofObjectwithValue(0,l,h),_.storeIntegerofObjectwithValue(1,l,f),_.storeIntegerofObjectwithValue(6,l,C),_.storeIntegerofObjectwithValue(7,l,w),_.storeIntegerofObjectwithValue(8,l,A),_.storeIntegerofObjectwithValue(12,l,o),_.pop(1)}function n(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g=_.stackValue(1),k=_.stackIntegerValue(0),b=_.fetchInt16ArrayofObject(0,g),y=_.fetchInt16ArrayofObject(1,g),S=_.fetchIntegerofObject(2,g),F=_.fetchIntegerofObject(3,g),O=_.fetchIntegerofObject(4,g),I=_.fetchIntegerofObject(5,g);if(C=_.fetchIntegerofObject(6,g),w=_.fetchIntegerofObject(7,g),A=_.fetchIntegerofObject(8,g),P=_.fetchBytesofObject(9,g),v=_.fetchInt16ArrayofObject(10,g),d=_.fetchInt16ArrayofObject(11,g),m=_.fetchIntegerofObject(12,g),f=_.fetchIntegerofObject(13,g),x=_.fetchInt16ArrayofObject(14,g),p=_.fetchInt16ArrayofObject(15,g),_.failed())return null;for(u=b[0],l=b[1],s=y[0],n=y[1],r=1;r<=k;r++){if(1==(r&I))u=V(16),s=V(6),l=V(16),n=V(6),32767<u&&(u-=65536),32767<l&&(l-=65536);else{for(t=V(f),i=V(f),c=x[s],h=x[n],a=o=0,e=O;0<e;)0<(t&e)&&(a+=c),0<(i&e)&&(o+=h),c>>>=1,h>>>=1,e>>>=1;a+=c,o+=h,0<(t&S)?u-=a:u+=a,0<(i&S)?l-=o:l+=o,32767<u?u=32767:u<-32768&&(u=-32768),32767<l?l=32767:l<-32768&&(l=-32768),(s+=p[t&F])<0?s=0:88<s&&(s=88),(n+=p[i&F])<0?n=0:88<n&&(n=88)}v[++m-1]=u,d[m-1]=l}if(b[0]=u,b[1]=l,y[0]=s,y[1]=n,_.failed())return null;_.storeIntegerofObjectwithValue(6,g,C),_.storeIntegerofObjectwithValue(7,g,w),_.storeIntegerofObjectwithValue(8,g,A),_.storeIntegerofObjectwithValue(12,g,m),_.pop(1)}function u(){var e,t,i,r,s,n,a,o,u,l,c,h=_.stackValue(1),f=_.stackIntegerValue(0),p=_.fetchIntegerofObject(0,h),d=_.fetchIntegerofObject(1,h),m=_.fetchIntegerofObject(2,h),v=_.fetchIntegerofObject(4,h),g=_.fetchIntegerofObject(5,h);if(C=_.fetchIntegerofObject(6,h),w=_.fetchIntegerofObject(7,h),A=_.fetchIntegerofObject(8,h),P=_.fetchBytesofObject(9,h),c=_.fetchInt16ArrayofObject(10,h),l=_.fetchIntegerofObject(12,h),o=_.fetchIntegerofObject(13,h),x=_.fetchInt16ArrayofObject(14,h),u=_.fetchInt16ArrayofObject(15,h),_.failed())return null;for(a=x[0],r=1;r<=f;r++)if(1==(r&g))(n=p=c[++l-1])<0&&(n+=65536),k(16,n),k(6,d=r<f?function(e,t){var i,r,s=t-e;for(s<0&&(s=0-s),i=63,r=1;r<=62;r++)63===i&&x[r-1]>=s&&(i=r);return i}(p,c[l]):d);else{for((i=c[++l-1]-p)<(n=0)&&(n=m,i=0-i),s=t=0,e=v;0<e;)a<=i&&(t+=e,s+=a,i-=a),a>>>=1,e>>>=1;s+=a,0<n?p-=s:p+=s,32767<p?p=32767:p<-32768&&(p=-32768),(d+=u[t])<0?d=0:88<d&&(d=88),a=x[d],k(o,n|t)}if(0<w&&(P[++A-1]=C),_.failed())return 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O.primitiveFail(),null;if(F(d)!==f*p)return O.primitiveFail(),null;for(e=d.words,d=v,v=Math.max(g,0),d=Math.max(d,0),v=Math.min(v,p-1),d=Math.min(d,f-1),o=Math.max(v-h,0),t=Math.min(v+h,p-1),g=Math.max(d-h,0),i=Math.min(d+h,f-1),r=e[d*p+v],s=-1,c=g;c<=i;c++)for(a=c*p,l=o;l<=t;l++)r<(u=e[a+l])&&(s=l,n=c,r=u);if(h=-1===s?q(m):k(s-v,n-d)+90|0,O.failed())return null;O.pop(8),O.pushFloat(h)}function V(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]+o[r];else 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O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]/o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]/e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]/o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]/e[r];O.pop(4),O.push(c)}function E(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=p(u[r],s);else 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null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return null;if(s=O.isMemberOf(l,"WordArray"),O.isMemberOf(c,"WordArray"))if(s)for(o=c.words,a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]>=a[r];else for(o=c.words,t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]>=t[r];else if(s)for(i=c.wordsAsFloat32Array(),a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]>=a[r];else for(i=c.wordsAsFloat32Array(),t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]>=t[r];O.pop(4),O.push(u)}function W(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>=s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>=t;else 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e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]>s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]>t;O.pop(4),O.push(u)}function K(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackObjectValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(l)),O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return 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null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]<s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]<t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]<s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]<t;O.pop(4),O.push(u)}function Z(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]*o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]*e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]*o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]*e[r];O.pop(4),O.push(c)}function J(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=u[r]*s;else for(u=f.words,e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=u[r]*e;else if(n)for(t=f.wordsAsFloat32Array(),s=h,i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]*s;else for(t=f.wordsAsFloat32Array(),e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]*e;O.pop(4),O.push(c)}function Y(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackObjectValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(l)),O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return null;if(s=O.isMemberOf(l,"WordArray"),O.isMemberOf(c,"WordArray"))if(s)for(o=c.words,a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]!==a[r];else for(o=c.words,t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]!==t[r];else if(s)for(i=c.wordsAsFloat32Array(),a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]!==a[r];else for(i=c.wordsAsFloat32Array(),t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]!==t[r];O.pop(4),O.push(u)}function Q(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]!==s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]!==t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]!==s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]!==t;O.pop(4),O.push(u)}function $(){var e,t,i,r=O.stackValue(0);if(O.failed())return null;if(O.success(O.isBytes(r)),O.failed())return null;if(t=F(r),O.failed())return null;for(i=r.bytes,e=0;e<=t-1;e++)0===i[e]?i[e]=1:i[e]=0}function ee(){var e,t,i,r,s,n,a=O.stackObjectValue(0),o=O.stackValue(1);if(O.failed())return null;if(O.success(O.isBytes(o)),O.success(O.isBytes(a)),O.failed())return null;if(i=F(o),r=F(a),O.failed())return null;for(r<(t=i)&&(t=r),s=a.bytes,n=o.bytes,e=0;e<=t-1;e++)n[e]=0<n[e]+s[e];O.pop(1)}function te(){var e,t,i,r,s,n=O.stackValue(0),a=O.stackObjectValue(1);if(O.failed())return null;if(i=O.isIntegerValue(n)?n:O.booleanValueOf(n),s=O.fetchPointerofObject(1,a),n=O.fetchPointerofObject(0,a),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isBytes(s))return O.primitiveFail(),null;for(r=s.bytes,t=n.bytes,e=0;e<=F(s)-1;e++)1===t[e]&&(r[e]=i);O.pop(1)}function ie(){var e,t,i,r,s=O.stackIntegerValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(s|=4278190080,r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isWords(r))return O.primitiveFail(),null;for(i=r.words,t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function re(){var e,t,i,r,s=O.stackFloatValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isWords(r))return O.primitiveFail(),null;for(i=r.wordsAsFloat32Array(),t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function se(){var e,t,i,r,s=O.stackValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isPointers(r))return O.primitiveFail(),null;for(i=r.wordsAsInt32Array(),t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function ne(){var e,t,i,r,s,n=O.stackIntegerValue(0),a=O.stackObjectValue(1),o=O.stackIntegerValue(2),u=O.stackIntegerValue(3),l=O.stackObjectValue(4);if(O.failed())return null;if(s=O.fetchPointerofObject(1,l),l=O.fetchPointerofObject(0,l),O.failed())return null;if(!O.isBytes(l))return O.primitiveFail(),null;if(!O.isBytes(s)||!O.isBytes(a))return O.primitiveFail(),null;if(r=s.bytes,t=l.bytes,i=a.bytes,s=F(s),l=F(l),a=F(a),o<u)return O.primitiveFail(),null;if(u<1)return O.primitiveFail(),null;if(s<u)return O.primitiveFail(),null;if(l<u)return O.primitiveFail(),null;if(s<o)return O.primitiveFail(),null;if(l<o)return O.primitiveFail(),null;if(n<1)return O.primitiveFail(),null;if(a<n)return O.primitiveFail(),null;if(a-n+1<o-u+1)return O.primitiveFail(),null;for(e=u-1;e<=o-1;e++)1===t[e]&&(r[e]=i[n+e-u]);O.pop(4)}function ae(){var e,t,i,r,s,n,a,o,u,l,c=O.stackIntegerValue(0),h=O.stackObjectValue(1),f=O.stackIntegerValue(2),p=O.stackIntegerValue(3),d=O.stackObjectValue(4);if(O.failed())return null;if(u=O.fetchPointerofObject(1,d),d=O.fetchPointerofObject(0,d),O.failed())return null;if(!O.isBytes(d))return O.primitiveFail(),null;if(!(O.isWords(u)&&O.isWords(h)||O.isPointers(u)&&O.isPointers(h)))return O.primitiveFail(),null;if(s=d.bytes,l=F(u),d=F(d),a=F(h),f<p)return O.primitiveFail(),null;if(p<1)return O.primitiveFail(),null;if(l<p)return O.primitiveFail(),null;if(d<p)return O.primitiveFail(),null;if(l<f)return O.primitiveFail(),null;if(d<f)return O.primitiveFail(),null;if(c<1)return O.primitiveFail(),null;if(a<c)return O.primitiveFail(),null;if(a-c+1<f-p+1)return O.primitiveFail(),null;if(l=O.isMemberOf(u,"KedamaFloatArray"),d=O.isMemberOf(h,"KedamaFloatArray"),l&&d)for(t=u.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),r=p-1;r<=f-1;r++)1===s[r]&&(t[r]=e[c+r-p]);if(l&&!d)for(t=u.wordsAsFloat32Array(),n=h.words,r=p-1;r<=f-1;r++)1===s[r]&&(t[r]=n[c+r-p]);if(!l&&d)for(o=u.words,e=h.wordsAsFloat32Array(),r=p-1;r<=f-1;r++)1===s[r]&&(i=e[c+r-p]>>>0,o[r]=i);if(!l&&!d)for(o=u.words,n=h.words,r=p-1;r<=f-1;r++)1===s[r]&&(o[r]=n[c+r-p]);O.pop(4)}function oe(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v=O.stackObjectValue(0),g=O.stackObjectValue(1),k=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(g)),O.success(O.isWords(k)),O.success(O.isWords(v)),O.failed())return null;if(l=F(g),O.success(l===F(k)),O.success(l===F(v)),O.failed())return null;if(o=O.isMemberOf(g,"WordArray"),u=O.isMemberOf(k,"WordArray"),o&&u){if(!O.isMemberOf(v,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(v,"KedamaFloatArray"))return O.primitiveFail(),null;if(u)if(o)for(d=k.words,p=g.words,m=v.words,a=0;a<=l-1;a++)f=b(h=d[a],c=p[a]),m[a]=f;else for(d=k.words,r=g.wordsAsFloat32Array(),n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(h=d[a])/(e=r[a]),i=Math.floor(i),n[a]=h-i*e;else if(o)for(s=k.wordsAsFloat32Array(),p=g.words,n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(t=s[a])/(c=p[a]),i=Math.floor(i),n[a]=t-i*c;else for(s=k.wordsAsFloat32Array(),r=g.wordsAsFloat32Array(),n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(t=s[a])/(e=r[a]),i=Math.floor(i),n[a]=t-i*e;O.pop(4),O.push(v)}function ue(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p=O.stackObjectValue(0),d=O.stackValue(1),m=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(m)),O.success(O.isWords(p)),O.failed())return null;if(l=F(m),O.success(l===F(p)),O.failed())return null;if(o="number"==typeof d,u=O.isMemberOf(m,"WordArray"),o&&u){if(!O.isMemberOf(p,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(p,"KedamaFloatArray"))return O.primitiveFail(),null;if(u)if(o)for(h=m.words,a=d,f=p.words,n=0;n<=l-1;n++)f[n]=b(h[n],a);else for(h=m.words,e=O.floatValueOf(d),s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(c=h[n])/e,i=Math.floor(i),s[n]=c-i*e;else if(o)for(r=m.wordsAsFloat32Array(),a=d,s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(t=r[n])/a,i=Math.floor(i),s[n]=t-i*a;else for(r=m.wordsAsFloat32Array(),e=O.floatValueOf(d),s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(t=r[n])/e,i=Math.floor(i),s[n]=t-i*e;O.pop(4),O.push(p)}function le(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]-o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]-e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]-o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]-e[r];O.pop(4),O.push(c)}function ce(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=u[r]-s;else for(u=f.words,e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=u[r]-e;else if(n)for(t=f.wordsAsFloat32Array(),s=h,i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]-s;else for(t=f.wordsAsFloat32Array(),e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]-e;O.pop(4),O.push(c)}function 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O.failed()||(r=k(r-t,i-e),360<(r+=90)&&(r-=360),O.failed())?null:(O.pop(5),void O.pushFloat(r))}function me(){var e=O.stackFloatValue(0),t=O.stackFloatValue(1),i=O.stackFloatValue(2),r=O.stackFloatValue(3);return O.failed()||(t=t-r,r=e-i,e=Math.sqrt(t*t+r*r),O.failed())?null:(O.pop(5),void O.pushFloat(e))}function B(e,t,i,r,s,n,a){var o;r<0&&(1===n&&(r+=s),2===n&&(r=0),3===n)&&(r=0-r,o=i[e],i[e]=o<3.141592653589793?3.141592653589793-o:9.42477796076938-o),s<=r&&(1===a&&(r-=s),2===a&&(r=s-1e-6),3===a)&&(r=s-1e-6-(r-s),o=i[e],i[e]=o<3.141592653589793?3.141592653589793-o:9.42477796076938-o),t[e]=r}function M(e,t,i,r,s,n,a){r<0&&(1===n&&(r+=s),2===n&&(r=0),3===n)&&(r=0-r,i[e]=6.283185307179586-i[e]),s<=r&&(1===a&&(r-=s),2===a&&(r=s-1e-6),3===a)&&(r=s-1e-6-(r-s),i[e]=6.283185307179586-i[e]),t[e]=r}function ve(){var e,t,i,r,s,n,a,o=O.stackValue(0),u=O.stackValue(1),l=O.stackValue(2);if(O.failed())return null;if(!O.isBytes(l))return O.primitiveFail(),null;if(!O.isWords(u))return O.primitiveFail(),null;if(a=F(u),o.isFloat)r=!1;else{if(!O.isWords(o))return O.primitiveFail(),null;if(F(o)!==a)return O.primitiveFail(),null;r=!0}for(s=l.bytes,t=u.wordsAsFloat32Array(),r?n=o.wordsAsFloat32Array():e=c(e=O.floatValueOf(o)),i=0;i<=a-1;i++)1===s[i]&&(r&&(e=c(e=n[i])),t[i]=e);if(O.failed())return null;O.pop(3)}function ge(e){return!1!=((O=e).majorVersion()==t)&&O.minorVersion()>=i}function ke(){var e=O.stackFloatValue(0),t=O.stackValue(1),i=O.stackIntegerValue(2);return O.failed()?null:!O.isWords(t)||F(t)<i?(O.primitiveFail(),null):(t.wordsAsFloat32Array()[i-1]=c(e),O.failed()?null:void O.pop(3))}function be(){return!0}function ye(){var e,t=O.stackIntegerValue(0),i=O.stackIntegerValue(1),r=O.stackFloatValue(2),s=O.stackFloatValue(3),n=O.stackValue(4),a=O.stackIntegerValue(5),o=O.stackValue(6);return O.failed()?null:!O.isWords(o)||!O.isWords(n)||(e=F(o),F(n)!==e)?(O.primitiveFail(),null):(B(a-1,o.wordsAsFloat32Array(),n.wordsAsFloat32Array(),s,r,i,t),O.failed()?null:void O.pop(7))}function Se(){var e,t=O.stackIntegerValue(0),i=O.stackIntegerValue(1),r=O.stackFloatValue(2),s=O.stackFloatValue(3),n=O.stackValue(4),a=O.stackIntegerValue(5),o=O.stackValue(6);return O.failed()?null:!O.isWords(o)||!O.isWords(n)||(e=F(o),F(n)!==e)?(O.primitiveFail(),null):(M(a-1,o.wordsAsFloat32Array(),n.wordsAsFloat32Array(),s,r,i,t),O.failed()?null:void O.pop(7))}function Fe(){var e,t,i,r,s,n,a,o,u,l,c=O.stackIntegerValue(0),h=O.stackIntegerValue(1),f=O.stackFloatValue(2),p=O.stackValue(3),d=O.stackValue(4),m=O.stackValue(5),v=O.stackValue(6);if(O.failed())return null;if(!O.isBytes(v))return O.primitiveFail(),null;if(!O.isWords(m))return O.primitiveFail(),null;if(!O.isWords(d))return O.primitiveFail(),null;if(p.isFloat)i=!1;else{if(!O.isWords(p))return O.primitiveFail(),null;i=!0,r=O.isMemberOf(p,"WordArray")}if(n=F(m),F(v)!==n)return O.primitiveFail(),null;if(F(d)!==n)return O.primitiveFail(),null;if(i&&F(p)!==n)return 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e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b=q.stackValue(5),y=q.stackIntegerValue(4),S=q.stackIntegerValue(3),F=q.stackValue(2),O=q.stackIntegerValue(1),I=q.stackIntegerValue(0);if(q.success(x(b)===y*S),q.success(x(F)===O*I),e=M(b),r=M(F),q.failed())return null;for(t=i=0,g=V(1024*y,O),k=V(1024*S,I),a=0;a<=I-1;a++){for(n=t=0;n<=O-1;n++)p=(1024-(1023&t))*(1024-(1023&i)),d=(1023&t)*(1024-(1023&i)),m=(1024-(1023&t))*(1023&i),v=(1023&t)*(1023&i),o=e[h=(i>>>10)*y+(t>>>10)],u=t>>>10<y-1?e[h+1]:o,i>>>10<S-1&&(h+=y),l=e[h],c=t>>>10<y-1?e[h+1]:l,(f=0)===o&&(o=u,f+=p),0===u&&(u=o,f+=d),0===l&&(l=c,f+=m),0===c&&(c=l,f+=v),0===o&&(o=l,u=c),0===l&&(l=o,c=u),s=0,f<5e5&&0===(s=(s=((h=p*(o>>>16&255)+d*(u>>>16&255)+m*(l>>>16&255)+v*(c>>>16&255))>>>20&255)<<16)|((h=p*(o>>>8&255)+d*(u>>>8&255)+m*(l>>>8&255)+v*(c>>>8&255))>>>20&255)<<8|(h=p*(255&o)+d*(255&u)+m*(255&l)+v*(255&c))>>>20&255)&&(s=1),r[a*O+n]=s,t+=g;i+=k}return q.pop(6),0}function b(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b,y=q.stackValue(5),S=q.stackValue(4),F=q.stackIntegerValue(3),O=M(y),I=M(S),y=x(y),w=q.stackIntegerValue(2),A=q.stackValue(1),C=q.stackValue(0),P=B(A),_=B(C);if(q.success(x(S)===y),q.failed())return null;for(u=V(y,F),e=j(Math.random(),w)-1,d=0;d<=e/2-1;d++)for(k=j(Math.random(),F),b=j(Math.random(),u),f=j(Math.random(),8),a=-4;a<=4;a++)for(o=-4;o<=4;o++)(i=a*a+o*o)<25&&0<i&&(s=b+o|0,0<(r=k+a|0))&&0<s&&s<u&&r<F&&(P[s*F+r]=f*(1-i/25));for(n=1;n<=F-2;n++)for(t=1;t<=u-2;t++)P[v=t*F+n]=(_[v+1]+_[v-1]+_[v+F]+_[v-F]+_[v-1-F]/2+_[v-1+F]/2+_[v+1-F]/2+_[v+1+F]/2)/4-P[v],P[v]=.9*P[v];for(p=0;p<=F*u;p++)m=_[p],_[p]=P[p],P[p]=m;for(c=0;c<=u-1;c++)for(l=0;l<=F-1;l++)h=1<l&&l<F-1&&1<c&&c<u-1&&(h=64*(P[g=c*F+l]-P[g-1]+(P[g+1]-P[g])),(g=(c+(g=2<(g=(g=(P[g]-P[g-F]+(P[g+F]-P[g]))/64)<2?-2:g)?2:g))*F+(l+(h=2<(h=h<2?-2:h)?2:h))|0)<F*u)&&0<=g?O[g]:O[l+c*F],I[l+c*F]=h;return q.pop(6),0}function S(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d=q.stackValue(3),m=q.stackValue(2),v=q.stackIntegerValue(1),g=q.stackIntegerValue(0),k=M(d),b=M(m),d=x(d);if(q.success(x(m)===d),q.failed())return null;for(l=(e=v>>1)<(t=(n=V(d,v))>>1)?(u=t/(a=e),1):(u=1,(a=t)<e?e/t:1),h=-3.141592653589793*g/180,o=a*a,f=0;f<=v-1;f++)for(p=0;p<=n-1;p++)(s=(i=u*(f-e))*i+(r=l*(p-t))*r)<o&&(s=(s=1-Math.sqrt(s)/a)*s*h,c=Math.sin(s),c=y(k,1024*(((s=Math.cos(s))*i-c*r)/u+e)|0,1024*((c*i+s*r)/l+t)|0,v,n),b[v*p+f]=c);return q.pop(4),0}function F(e){return!1!=((q=e).majorVersion()==t)&&q.minorVersion()>=i}!function e(){"object"==typeof 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e,t,i,r,s,n,a,o,u=j.stackValue(3),l=j.stackInt16Array(2),c=j.stackIntegerValue(1),h=j.stackIntegerValue(0),f=j.fetchInt32ArrayofObject(7,u),p=j.fetchInt32ArrayofObject(8,u),d=j.fetchIntegerofObject(9,u),m=j.fetchIntegerofObject(10,u),v=j.fetchIntegerofObject(11,u),g=j.fetchInt16ArrayofObject(12,u),k=j.fetchInt16ArrayofObject(13,u);if(j.failed())return null;for(n=c;n<=c+h-1;n++){for(e=t=0,o=1;o<=d;o++)(i=v-f[o-1])<1&&(i+=m),e+=(a=p[o-1])*g[i-1],t+=a*k[i-1];(s=32767<(s=l[(r=2*n-1)-1]+(e>>15))?32767:s)<-32767&&(s=-32767),l[r-1]=s,g[v-1]=s,(s=32767<(s=l[++r-1]+(t>>15))?32767:s)<-32767&&(s=-32767),l[r-1]=s,k[v-1]=s,v=I(v,m)+1}if(j.failed())return null;j.storeIntegerofObjectwithValue(11,u,v),j.pop(3)}function n(){var e,t,i,r,s,n,a,o=j.stackValue(5),u=j.stackIntegerValue(4),l=j.stackInt16Array(3),c=j.stackIntegerValue(2),h=j.stackIntegerValue(1),f=j.stackIntegerValue(0),p=j.fetchIntegerofObject(3,o),d=j.fetchIntegerofObject(4,o),m=j.fetchIntegerofObject(5,o),v=j.fetchIntegerofObject(7,o),g=j.fetchInt16ArrayofObject(8,o),k=j.fetchIntegerofObject(9,o),b=j.fetchIntegerofObject(10,o),y=j.fetchIntegerofObject(11,o),S=j.fetchIntegerofObject(14,o),F=j.fetchIntegerofObject(15,o),O=j.fetchIntegerofObject(16,o);if(j.failed())return null;for(e=0!==S&&0!==O,i=c+u-1,a=c;a<=i;a++)n=p*g[b>>15]>>15,e?(r=S*g[F>>15],(F=I(F+O,k))<0&&(F+=k),(b=I(b+y+r,k))<0&&(b+=k)):b=I(b+y,k),0<h&&((s=32767<(s=l[(t=2*a-1)-1]+(n*h>>15))?32767:s)<-32767&&(s=-32767),l[t-1]=s),0<f&&((s=32767<(s=l[(t=2*a)-1]+(n*f>>15))?32767:s)<-32767&&(s=-32767),l[t-1]=s),0!==d&&(p+=d,0<d&&m<=p||d<0&&p<=m)&&(p=m,d=0);if(v-=u,j.failed())return null;j.storeIntegerofObjectwithValue(3,o,p),j.storeIntegerofObjectwithValue(4,o,d),j.storeIntegerofObjectwithValue(7,o,v),j.storeIntegerofObjectwithValue(10,o,b),j.storeIntegerofObjectwithValue(15,o,F),j.pop(5)}function a(){var e,t,i,r,s,n,a,o,u,l,c,h,f=j.stackValue(5),p=j.stackIntegerValue(4),d=j.stackInt16Array(3),m=j.stackIntegerValue(2),v=j.stackIntegerValue(1),g=j.stackIntegerValue(0),k=j.fetchIntegerofObject(3,f),b=j.fetchIntegerofObject(4,f),y=j.fetchIntegerofObject(5,f),S=j.fetchIntegerofObject(7,f),F=j.fetchIntegerofObject(8,f),O=j.fetchInt16ArrayofObject(10,f),I=j.fetchInt16ArrayofObject(11,f),w=j.fetchIntegerofObject(16,f),A=j.fetchIntegerofObject(17,f),C=j.fetchIntegerofObject(18,f),P=j.fetchIntegerofObject(19,f),_=j.fetchIntegerofObject(20,f);if(j.failed())return null;for(r=O!==I,e=v*k>>15,t=g*k>>15,i=2*m-1,s=m+p-1,h=m;h<=s;h++){if((o=(c=A<(c=(P+=_)>>9)&&F<S?(P-=C)>>9:c)+1)>w){if(w<c)return 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e,t,i,r,s,n,a,o=j.stackValue(5),u=j.stackIntegerValue(4),l=j.stackInt16Array(3),c=j.stackIntegerValue(2),h=j.stackIntegerValue(1),f=j.stackIntegerValue(0),p=j.fetchIntegerofObject(3,o),d=j.fetchIntegerofObject(4,o),m=j.fetchIntegerofObject(5,o),v=j.fetchIntegerofObject(7,o),g=j.fetchInt16ArrayofObject(8,o),k=j.fetchIntegerofObject(9,o),b=j.fetchIntegerofObject(10,o),y=j.fetchIntegerofObject(11,o);if(j.failed())return null;for(t=c+u-1,n=s=k,a=c;a<=t;a++)y<=(s=n+b)&&(s=S+(s-y)),r=g[(n>>15)-1]+g[(s>>15)-1]>>1,r=(g[(n>>15)-1]=r)*p>>15,n=s,0<h&&((i=32767<(i=l[(e=2*a-1)-1]+(r*h>>15))?32767:i)<-32767&&(i=-32767),l[e-1]=i),0<f&&((i=32767<(i=l[(e=2*a)-1]+(r*f>>15))?32767:i)<-32767&&(i=-32767),l[e-1]=i),0!==d&&(p+=d,0<d&&m<=p||d<0&&p<=m)&&(p=m,d=0);if(k=s,v-=u,j.failed())return null;j.storeIntegerofObjectwithValue(3,o,p),j.storeIntegerofObjectwithValue(4,o,d),j.storeIntegerofObjectwithValue(7,o,v),j.storeIntegerofObjectwithValue(9,o,k),j.pop(5)}function u(){var e,t,i,r,s,n,a=j.stackValue(5),o=j.stackIntegerValue(4),u=j.stackInt16Array(3),l=j.stackIntegerValue(2),c=j.stackIntegerValue(1),h=j.stackIntegerValue(0),f=j.fetchIntegerofObject(3,a),p=j.fetchIntegerofObject(4,a),d=j.fetchIntegerofObject(5,a),m=j.fetchIntegerofObject(7,a),v=j.fetchInt16ArrayofObject(8,a),g=j.fetchIntegerofObject(10,a),k=j.fetchIntegerofObject(11,a),b=j.fetchIntegerofObject(12,a),y=j.fetchIntegerofObject(13,a);if(j.failed())return null;for(t=l+o-1,i=l,n=b+(k>>>16);n<=g&&i<=t;)s=v[n-1]*f>>15,0<c&&((r=32767<(r=u[(e=2*i-1)-1]+(s*c>>15))?32767:r)<-32767&&(r=-32767),u[e-1]=r),0<h&&((r=32767<(r=u[(e=2*i)-1]+(s*h>>15))?32767:r)<-32767&&(r=-32767),u[e-1]=r),0!==p&&(f+=p,0<p&&d<=f||p<0&&f<=d)&&(f=d,p=0),F<=(k+=y)&&(b+=s=k>>>16,k-=s<<16),n=b+(k>>>16),++i;if(m-=o,j.failed())return null;j.storeIntegerofObjectwithValue(3,a,f),j.storeIntegerofObjectwithValue(4,a,p),j.storeIntegerofObjectwithValue(7,a,m),j.storeIntegerofObjectwithValue(11,a,k),j.storeIntegerofObjectwithValue(12,a,b),j.pop(5)}function l(e){return!1!=((j=e).majorVersion()==t)&&j.minorVersion()>=i}!function e(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("SoundGenerationPlugin",{primitiveMixFMSound:n,primitiveMixSampledSound:u,setInterpreter:l,getModuleName:r,primitiveApplyReverb:s,primitiveMixPluckedSound:o,primitiveMixLoopedSampledSound:a}):self.setTimeout(e,100)}()}(),!function(){var t=1,i=11;function b(e){return e.pointers?e.pointers.length:e.words?e.words.length:e.bytes?e.bytes.length:0}function y(e,t){return 0|Math.floor(e/t)}var S=null,e="StarSqueakPlugin 3 November 2014 (e)";function F(e){return S.success(S.isWords(e)),S.failed()?0:e.words}function r(){return e}function s(){var e,t,i,r,s,n,a,o,u,l,c,h=S.stackValue(4),f=S.stackValue(3),p=S.stackIntegerValue(2),d=S.stackIntegerValue(1),m=S.stackIntegerValue(0),v=F(h),g=F(f);if(S.success(b(h)===b(f)),S.success(b(h)===p*d),S.failed())return null;for(e=(2*m+1)*(2*m+1),l=0;l<=d-1;l++)for((n=l-m)<0&&(n=0),d<=(i=l+m)&&(i=d-1),o=0;o<=p-1;o++){for((s=o-m)<0&&(s=0),p<=(t=o+m)&&(t=p-1),a=0,c=n;c<=i;c++)for(r=c*p,u=s;u<=t;u++)a+=v[r+u];g[l*p+o]=y(a,e)}S.pop(5)}function n(){var e,t=S.stackValue(1),i=S.stackIntegerValue(0),r=F(t),s=b(t);if(S.failed())return null;for(e=0;e<=s-1;e++)r[e]=r[e]*i>>>10;S.pop(2)}function a(){var e,t,i,r,s,n,a,o,u,l,c=S.stackValue(6),h=S.stackValue(5),f=S.stackIntegerValue(4),p=S.stackIntegerValue(3),d=S.stackIntegerValue(2),m=S.stackIntegerValue(1),v=S.stackIntegerValue(0),g=F(c),k=F(h);if(S.success(b(h)===f*p),S.success(b(h)===b(c)*d*d),S.failed())return 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b=e("../utils"),s=e("../stream/GenericWorker"),y=e("../utf8"),S=e("../crc32"),F=e("../signature");function n(e,t,i,r){s.call(this,"ZipFileWorker"),this.bytesWritten=0,this.zipComment=t,this.zipPlatform=i,this.encodeFileName=r,this.streamFiles=e,this.accumulate=!1,this.contentBuffer=[],this.dirRecords=[],this.currentSourceOffset=0,this.entriesCount=0,this.currentFile=null,this._sources=[]}b.inherits(n,s),n.prototype.push=function(e){var t=e.meta.percent||0,i=this.entriesCount,r=this._sources.length;this.accumulate?this.contentBuffer.push(e):(this.bytesWritten+=e.data.length,s.prototype.push.call(this,{data:e.data,meta:{currentFile:this.currentFile,percent:i?(t+100*(i-r-1))/i:100}}))},n.prototype.openedSource=function(e){this.currentSourceOffset=this.bytesWritten,this.currentFile=e.file.name,this.streamFiles&&!e.file.dir?(e=r(e,this.streamFiles,!1,this.currentSourceOffset,this.zipPlatform,this.encodeFileName),this.push({data:e.fileRecord,meta:{percent:0}})):this.accumulate=!0},n.prototype.closedSource=function(e){this.accumulate=!1;var t=r(e,this.streamFiles,!0,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);if(this.dirRecords.push(t.dirRecord),this.streamFiles&&!e.file.dir)this.push({data:(e=e,F.DATA_DESCRIPTOR+k(e.crc32,4)+k(e.compressedSize,4)+k(e.uncompressedSize,4)),meta:{percent:100}});else for(this.push({data:t.fileRecord,meta:{percent:0}});this.contentBuffer.length;)this.push(this.contentBuffer.shift());this.currentFile=null},n.prototype.flush=function(){for(var e=this.bytesWritten,t=0;t<this.dirRecords.length;t++)this.push({data:this.dirRecords[t],meta:{percent:100}});var i=this.bytesWritten-e,i=function(e,t,i,r,s){s=b.transformTo("string",s(r));return F.CENTRAL_DIRECTORY_END+"\0\0\0\0"+k(e,2)+k(e,2)+k(t,4)+k(i,4)+k(s.length,2)+s}(this.dirRecords.length,i,e,this.zipComment,this.encodeFileName);this.push({data:i,meta:{percent:100}})},n.prototype.prepareNextSource=function(){this.previous=this._sources.shift(),this.openedSource(this.previous.streamInfo),this.isPaused?this.previous.pause():this.previous.resume()},n.prototype.registerPrevious=function(e){this._sources.push(e);var t=this;return e.on("data",function(e){t.processChunk(e)}),e.on("end",function(){t.closedSource(t.previous.streamInfo),t._sources.length?t.prepareNextSource():t.end()}),e.on("error",function(e){t.error(e)}),this},n.prototype.resume=function(){return!!s.prototype.resume.call(this)&&(!this.previous&&this._sources.length?(this.prepareNextSource(),!0):this.previous||this._sources.length||this.generatedError?void 0:(this.end(),!0))},n.prototype.error=function(e){var t=this._sources;if(!s.prototype.error.call(this,e))return!1;for(var i=0;i<t.length;i++)try{t[i].error(e)}catch(e){}return!0},n.prototype.lock=function(){s.prototype.lock.call(this);for(var e=this._sources,t=0;t<e.length;t++)e[t].lock()},t.exports=n},{"../crc32":4,"../signature":20,"../stream/GenericWorker":25,"../utf8":28,"../utils":29}],9:[function(e,t,i){var l=e("../compressions"),r=e("./ZipFileWorker");i.generateWorker=function(e,a,t){var o=new r(a.streamFiles,t,a.platform,a.encodeFileName),u=0;try{e.forEach(function(e,t){u++;var i=function(e,t){e=e||t,t=l[e];if(t)return t;throw new Error(e+" is not a valid compression method !")}(t.options.compression,a.compression),r=t.options.compressionOptions||a.compressionOptions||{},s=t.dir,n=t.date;t._compressWorker(i,r).withStreamInfo("file",{name:e,dir:s,date:n,comment:t.comment||"",unixPermissions:t.unixPermissions,dosPermissions:t.dosPermissions}).pipe(o)}),o.entriesCount=u}catch(e){o.error(e)}return o}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(e,t,i){function r(){if(!(this instanceof r))return new r;if(arguments.length)throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide.");this.files={},this.comment=null,this.root="",this.clone=function(){var e,t=new r;for(e in this)"function"!=typeof this[e]&&(t[e]=this[e]);return t}}(r.prototype=e("./object")).loadAsync=e("./load"),r.support=e("./support"),r.defaults=e("./defaults"),r.loadAsync=function(e,t){return(new r).loadAsync(e,t)},r.external=e("./external"),t.exports=r},{"./defaults":5,"./external":6,"./load":11,"./object":13,"./support":27}],11:[function(e,t,i){var r=e("./utils"),a=e("./external"),o=e("./utf8"),r=e("./utils"),u=e("./zipEntries"),l=e("./stream/Crc32Probe"),c=e("./nodejsUtils");t.exports=function(e,s){var n=this;return s=r.extend(s||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:o.utf8decode}),c.isNode&&c.isStream(e)?a.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):r.prepareContent("the loaded zip file",e,!0,s.optimizedBinaryString,s.base64).then(function(e){var t=new u(s);return t.load(e),t}).then(function(e){var t=[a.Promise.resolve(e)],i=e.files;if(s.checkCRC32)for(var r=0;r<i.length;r++)t.push(function(r){return new a.Promise(function(e,t){var i=r.decompressed.getContentWorker().pipe(new l);i.on("error",function(e){t(e)}).on("end",function(){i.streamInfo.crc32!==r.decompressed.crc32?t(new Error("Corrupted zip : CRC32 mismatch")):e()}).resume()})}(i[r]));return a.Promise.all(t)}).then(function(e){for(var e=e.shift(),t=e.files,i=0;i<t.length;i++){var r=t[i];n.file(r.fileNameStr,r.decompressed,{binary:!0,optimizedBinaryString:!0,date:r.date,dir:r.dir,comment:r.fileCommentStr.length?r.fileCommentStr:null,unixPermissions:r.unixPermissions,dosPermissions:r.dosPermissions,createFolders:s.createFolders})}return e.zipComment.length&&(n.comment=e.zipComment),n})}},{"./external":6,"./nodejsUtils":12,"./stream/Crc32Probe":22,"./utf8":28,"./utils":29,"./zipEntries":30}],12:[function(e,t,i){!function(i){t.exports={isNode:void 0!==i,newBuffer:function(e,t){return new i(e,t)},isBuffer:function(e){return i.isBuffer(e)},isStream:function(e){return e&&"function"==typeof e.on&&"function"==typeof e.pause&&"function"==typeof e.resume}}}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{}],13:[function(e,t,i){function n(e,t){return t=void 0!==t?t:l.createFolders,e=v(e),this.files[e]||m.call(this,e,null,{dir:!0,createFolders:t}),this.files[e]}var s=e("./utf8"),a=e("./utils"),o=e("./stream/GenericWorker"),u=e("./stream/StreamHelper"),l=e("./defaults"),c=e("./compressedObject"),h=e("./zipObject"),f=e("./generate"),p=e("./nodejsUtils"),d=e("./nodejs/NodejsStreamInputAdapter"),m=function(e,t,i){var r=a.getTypeOf(t),s=((i=a.extend(i||{},l)).date=i.date||new Date,null!==i.compression&&(i.compression=i.compression.toUpperCase()),"string"==typeof i.unixPermissions&&(i.unixPermissions=parseInt(i.unixPermissions,8)),i.unixPermissions&&16384&i.unixPermissions&&(i.dir=!0),i.dosPermissions&&16&i.dosPermissions&&(i.dir=!0),i.dir&&(e=v(e)),i.createFolders&&(s=function(e){if(e.slice(-1)==="/")e=e.substring(0,e.length-1);var t=e.lastIndexOf("/");return t>0?e.substring(0,t):""}(e))&&n.call(this,s,!0),"string"===r&&!1===i.binary&&!1===i.base64);i.binary=!s;(t instanceof c&&0===t.uncompressedSize||i.dir||!t||0===t.length)&&(i.base64=!1,i.binary=!0,t="",i.compression="STORE");r=null,r=t instanceof c||t instanceof o?t:p.isNode&&p.isStream(t)?new d(e,t):a.prepareContent(e,t,i.binary,i.optimizedBinaryString,i.base64),s=new h(e,r,i);this.files[e]=s},v=function(e){return"/"!==e.slice(-1)&&(e+="/"),e};function g(e){return"[object RegExp]"===Object.prototype.toString.call(e)}t.exports={load:function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},forEach:function(e){var t,i,r;for(t in this.files)this.files.hasOwnProperty(t)&&(r=this.files[t],i=t.slice(this.root.length,t.length))&&t.slice(0,this.root.length)===this.root&&e(i,r)},filter:function(i){var r=[];return this.forEach(function(e,t){i(e,t)&&r.push(t)}),r},file:function(e,t,i){var r,s;return 1===arguments.length?g(e)?(r=e,this.filter(function(e,t){return!t.dir&&r.test(e)})):(s=this.files[this.root+e])&&!s.dir?s:null:(e=this.root+e,m.call(this,e,t,i),this)},folder:function(i){var e,t;return i?g(i)?this.filter(function(e,t){return t.dir&&i.test(e)}):(e=this.root+i,e=n.call(this,e),(t=this.clone()).root=e.name,t):this},remove:function(i){i=this.root+i;var e=this.files[i];if(e||("/"!==i.slice(-1)&&(i+="/"),e=this.files[i]),e&&!e.dir)delete this.files[i];else for(var t=this.filter(function(e,t){return t.name.slice(0,i.length)===i}),r=0;r<t.length;r++)delete this.files[t[r].name];return this},generate:function(e){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},generateInternalStream:function(e){var t={};try{if((t=a.extend(e||{},{streamFiles:!1,compression:"STORE",compressionOptions:null,type:"",platform:"DOS",comment:null,mimeType:"application/zip",encodeFileName:s.utf8encode})).type=t.type.toLowerCase(),t.compression=t.compression.toUpperCase(),"binarystring"===t.type&&(t.type="string"),!t.type)throw new Error("No output type specified.");a.checkSupport(t.type),"darwin"!==e.platform&&"freebsd"!==e.platform&&"linux"!==e.platform&&"sunos"!==e.platform||(e.platform="UNIX"),"win32"===e.platform&&(e.platform="DOS");var i=t.comment||this.comment||"",r=f.generateWorker(this,t,i)}catch(e){(r=new o("error")).error(e)}return new u(r,t.type||"string",t.mimeType)},generateAsync:function(e,t){return this.generateInternalStream(e).accumulate(t)},generateNodeStream:function(e,t){return(e=e||{}).type||(e.type="nodebuffer"),this.generateInternalStream(e).toNodejsStream(t)}}},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":35,"./nodejsUtils":12,"./stream/GenericWorker":25,"./stream/StreamHelper":26,"./utf8":28,"./utils":29,"./zipObject":32}],14:[function(e,t,i){var r=e("./DataReader");function s(e){r.call(this,e);for(var t=0;t<this.data.length;t++)e[t]=255&e[t]}e("../utils").inherits(s,r),s.prototype.byteAt=function(e){return this.data[this.zero+e]},s.prototype.lastIndexOfSignature=function(e){for(var t=e.charCodeAt(0),i=e.charCodeAt(1),r=e.charCodeAt(2),s=e.charCodeAt(3),n=this.length-4;0<=n;--n)if(this.data[n]===t&&this.data[n+1]===i&&this.data[n+2]===r&&this.data[n+3]===s)return n-this.zero;return-1},s.prototype.readAndCheckSignature=function(e){var t=e.charCodeAt(0),i=e.charCodeAt(1),r=e.charCodeAt(2),e=e.charCodeAt(3),s=this.readData(4);return t===s[0]&&i===s[1]&&r===s[2]&&e===s[3]},s.prototype.readData=function(e){var t;return this.checkOffset(e),0===e?[]:(t=this.data.slice(this.zero+this.index,this.zero+this.index+e),this.index+=e,t)},t.exports=s},{"../utils":29,"./DataReader":15}],15:[function(e,t,i){var r=e("../utils");function s(e){this.data=e,this.length=e.length,this.index=0,this.zero=0}s.prototype={checkOffset:function(e){this.checkIndex(this.index+e)},checkIndex:function(e){if(this.length<this.zero+e||e<0)throw new Error("End of data reached (data length = "+this.length+", asked index = "+e+"). Corrupted zip ?")},setIndex:function(e){this.checkIndex(e),this.index=e},skip:function(e){this.setIndex(this.index+e)},byteAt:function(e){},readInt:function(e){var t,i=0;for(this.checkOffset(e),t=this.index+e-1;t>=this.index;t--)i=(i<<8)+this.byteAt(t);return this.index+=e,i},readString:function(e){return r.transformTo("string",this.readData(e))},readData:function(e){},lastIndexOfSignature:function(e){},readAndCheckSignature:function(e){},readDate:function(){var e=this.readInt(4);return new Date(Date.UTC(1980+(e>>25&127),(e>>21&15)-1,e>>16&31,e>>11&31,e>>5&63,(31&e)<<1))}},t.exports=s},{"../utils":29}],16:[function(e,t,i){var r=e("./Uint8ArrayReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.readData=function(e){this.checkOffset(e);var t=this.data.slice(this.zero+this.index,this.zero+this.index+e);return this.index+=e,t},t.exports=s},{"../utils":29,"./Uint8ArrayReader":18}],17:[function(e,t,i){var r=e("./DataReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.byteAt=function(e){return this.data.charCodeAt(this.zero+e)},s.prototype.lastIndexOfSignature=function(e){return this.data.lastIndexOf(e)-this.zero},s.prototype.readAndCheckSignature=function(e){return e===this.readData(4)},s.prototype.readData=function(e){this.checkOffset(e);var t=this.data.slice(this.zero+this.index,this.zero+this.index+e);return this.index+=e,t},t.exports=s},{"../utils":29,"./DataReader":15}],18:[function(e,t,i){var r=e("./ArrayReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.readData=function(e){var t;return this.checkOffset(e),0===e?new Uint8Array(0):(t=this.data.subarray(this.zero+this.index,this.zero+this.index+e),this.index+=e,t)},t.exports=s},{"../utils":29,"./ArrayReader":14}],19:[function(e,t,i){var r=e("../utils"),s=e("../support"),n=e("./ArrayReader"),a=e("./StringReader"),o=e("./NodeBufferReader"),u=e("./Uint8ArrayReader");t.exports=function(e){var t=r.getTypeOf(e);return r.checkSupport(t),"string"!==t||s.uint8array?"nodebuffer"===t?new o(e):s.uint8array?new u(r.transformTo("uint8array",e)):new n(r.transformTo("array",e)):new a(e)}},{"../support":27,"../utils":29,"./ArrayReader":14,"./NodeBufferReader":16,"./StringReader":17,"./Uint8ArrayReader":18}],20:[function(e,t,i){i.LOCAL_FILE_HEADER="PK",i.CENTRAL_FILE_HEADER="PK
",i.CENTRAL_DIRECTORY_END="PK",i.ZIP64_CENTRAL_DIRECTORY_LOCATOR="PK",i.ZIP64_CENTRAL_DIRECTORY_END="PK",i.DATA_DESCRIPTOR="PK\b"},{}],21:[function(e,t,i){var r=e("./GenericWorker"),s=e("../utils");function n(e){r.call(this,"ConvertWorker to "+e),this.destType=e}s.inherits(n,r),n.prototype.processChunk=function(e){this.push({data:s.transformTo(this.destType,e.data),meta:e.meta})},t.exports=n},{"../utils":29,"./GenericWorker":25}],22:[function(e,t,i){var r=e("./GenericWorker"),s=e("../crc32");function n(){r.call(this,"Crc32Probe")}e("../utils").inherits(n,r),n.prototype.processChunk=function(e){this.streamInfo.crc32=s(e.data,this.streamInfo.crc32||0),this.push(e)},t.exports=n},{"../crc32":4,"../utils":29,"./GenericWorker":25}],23:[function(e,t,i){var r=e("../utils"),s=e("./GenericWorker");function n(e){s.call(this,"DataLengthProbe for "+e),this.propName=e,this.withStreamInfo(e,0)}r.inherits(n,s),n.prototype.processChunk=function(e){var t;e&&(t=this.streamInfo[this.propName]||0,this.streamInfo[this.propName]=t+e.data.length),s.prototype.processChunk.call(this,e)},t.exports=n},{"../utils":29,"./GenericWorker":25}],24:[function(e,t,i){var r=e("../utils"),s=e("./GenericWorker");function n(e){s.call(this,"DataWorker");var t=this;this.dataIsReady=!1,this.index=0,this.max=0,this.data=null,this.type="",this._tickScheduled=!1,e.then(function(e){t.dataIsReady=!0,t.data=e,t.max=e&&e.length||0,t.type=r.getTypeOf(e),t.isPaused||t._tickAndRepeat()},function(e){t.error(e)})}r.inherits(n,s),n.prototype.cleanUp=function(){s.prototype.cleanUp.call(this),this.data=null},n.prototype.resume=function(){return!!s.prototype.resume.call(this)&&(!this._tickScheduled&&this.dataIsReady&&(this._tickScheduled=!0,r.delay(this._tickAndRepeat,[],this)),!0)},n.prototype._tickAndRepeat=function(){this._tickScheduled=!1,this.isPaused||this.isFinished||(this._tick(),this.isFinished)||(r.delay(this._tickAndRepeat,[],this),this._tickScheduled=!0)},n.prototype._tick=function(){if(this.isPaused||this.isFinished)return!1;var e=null,t=Math.min(this.max,this.index+16384);if(this.index>=this.max)return this.end();switch(this.type){case"string":e=this.data.substring(this.index,t);break;case"uint8array":e=this.data.subarray(this.index,t);break;case"array":case"nodebuffer":e=this.data.slice(this.index,t)}return this.index=t,this.push({data:e,meta:{percent:this.max?this.index/this.max*100:0}})},t.exports=n},{"../utils":29,"./GenericWorker":25}],25:[function(e,t,i){function r(e){this.name=e||"default",this.streamInfo={},this.generatedError=null,this.extraStreamInfo={},this.isPaused=!0,this.isFinished=!1,this.isLocked=!1,this._listeners={data:[],end:[],error:[]},this.previous=null}r.prototype={push:function(e){this.emit("data",e)},end:function(){if(this.isFinished)return!1;this.flush();try{this.emit("end"),this.cleanUp(),this.isFinished=!0}catch(e){this.emit("error",e)}return!0},error:function(e){return!this.isFinished&&(this.isPaused?this.generatedError=e:(this.isFinished=!0,this.emit("error",e),this.previous&&this.previous.error(e),this.cleanUp()),!0)},on:function(e,t){return this._listeners[e].push(t),this},cleanUp:function(){this.streamInfo=this.generatedError=this.extraStreamInfo=null,this._listeners=[]},emit:function(e,t){if(this._listeners[e])for(var i=0;i<this._listeners[e].length;i++)this._listeners[e][i].call(this,t)},pipe:function(e){return e.registerPrevious(this)},registerPrevious:function(e){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.streamInfo=e.streamInfo,this.mergeStreamInfo(),this.previous=e;var t=this;return e.on("data",function(e){t.processChunk(e)}),e.on("end",function(){t.end()}),e.on("error",function(e){t.error(e)}),this},pause:function(){return!this.isPaused&&!this.isFinished&&(this.isPaused=!0,this.previous&&this.previous.pause(),!0)},resume:function(){var e;return!(!this.isPaused||this.isFinished||(e=this.isPaused=!1,this.generatedError&&(this.error(this.generatedError),e=!0),this.previous&&this.previous.resume(),e))},flush:function(){},processChunk:function(e){this.push(e)},withStreamInfo:function(e,t){return this.extraStreamInfo[e]=t,this.mergeStreamInfo(),this},mergeStreamInfo:function(){for(var e in this.extraStreamInfo)this.extraStreamInfo.hasOwnProperty(e)&&(this.streamInfo[e]=this.extraStreamInfo[e])},lock:function(){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.isLocked=!0,this.previous&&this.previous.lock()},toString:function(){var e="Worker "+this.name;return this.previous?this.previous+" -> "+e:e}},t.exports=r},{}],26:[function(a,o,e){!function(u){var l=a("../utils"),s=a("./ConvertWorker"),n=a("./GenericWorker"),c=a("../base64"),t=a("../nodejs/NodejsStreamOutputAdapter"),i=a("../external");function r(e,o){return new i.Promise(function(t,i){var r=[],s=e._internalType,n=e._outputType,a=e._mimeType;e.on("data",function(e,t){r.push(e),o&&o(t)}).on("error",function(e){r=[],i(e)}).on("end",function(){try{var e=function(e,t,i){switch(e){case"blob":return l.newBlob(l.transformTo("arraybuffer",t),i);case"base64":return c.encode(t);default:return l.transformTo(e,t)}}(n,function(e,t){for(var i=0,r=null,s=0,n=0;n<t.length;n++)s+=t[n].length;switch(e){case"string":return t.join("");case"array":return Array.prototype.concat.apply([],t);case"uint8array":for(r=new Uint8Array(s),n=0;n<t.length;n++)r.set(t[n],i),i+=t[n].length;return r;case"nodebuffer":return u.concat(t);default:throw new Error("concat : unsupported type '"+e+"'")}}(s,r),a);t(e)}catch(e){i(e)}r=[]}).resume()})}function e(e,t,i){var r=t;switch(t){case"blob":case"arraybuffer":r="uint8array";break;case"base64":r="string"}try{this._internalType=r,this._outputType=t,this._mimeType=i,l.checkSupport(r),this._worker=e.pipe(new s(r)),e.lock()}catch(e){this._worker=new n("error"),this._worker.error(e)}}e.prototype={accumulate:function(e){return r(this,e)},on:function(e,t){var i=this;return"data"===e?this._worker.on(e,function(e){t.call(i,e.data,e.meta)}):this._worker.on(e,function(){l.delay(t,arguments,i)}),this},resume:function(){return l.delay(this._worker.resume,[],this._worker),this},pause:function(){return this._worker.pause(),this},toNodejsStream:function(e){if(l.checkSupport("nodestream"),"nodebuffer"!==this._outputType)throw new Error(this._outputType+" is not supported by this method");return new t(this,{objectMode:"nodebuffer"!==this._outputType},e)}},o.exports=e}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{"../base64":1,"../external":6,"../nodejs/NodejsStreamOutputAdapter":35,"../utils":29,"./ConvertWorker":21,"./GenericWorker":25}],27:[function(e,t,r){!function(t){if(r.base64=!0,r.array=!0,r.string=!0,r.arraybuffer="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof Uint8Array,r.nodebuffer=void 0!==t,r.uint8array="undefined"!=typeof Uint8Array,"undefined"==typeof ArrayBuffer)r.blob=!1;else{t=new ArrayBuffer(0);try{r.blob=0===new Blob([t],{type:"application/zip"}).size}catch(e){try{var i=new(window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder);i.append(t),r.blob=0===i.getBlob("application/zip").size}catch(e){r.blob=!1}}}r.nodestream=!!e("./nodejs/NodejsStreamOutputAdapter").prototype}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{"./nodejs/NodejsStreamOutputAdapter":35}],28:[function(e,t,s){for(var u=e("./utils"),l=e("./support"),c=e("./nodejsUtils"),i=e("./stream/GenericWorker"),h=new Array(256),r=0;r<256;r++)h[r]=252<=r?6:248<=r?5:240<=r?4:224<=r?3:192<=r?2:1;h[254]=h[254]=1;function n(){i.call(this,"utf-8 decode"),this.leftOver=null}function a(){i.call(this,"utf-8 encode")}s.utf8encode=function(e){if(l.nodebuffer)return c.newBuffer(e,"utf-8");for(var t,i,r,s,n=e,a=n.length,o=0,u=0;u<a;u++)55296==(64512&(i=n.charCodeAt(u)))&&u+1<a&&56320==(64512&(r=n.charCodeAt(u+1)))&&(i=65536+(i-55296<<10)+(r-56320),u++),o+=i<128?1:i<2048?2:i<65536?3:4;for(t=new(l.uint8array?Uint8Array:Array)(o),u=s=0;s<o;u++)55296==(64512&(i=n.charCodeAt(u)))&&u+1<a&&56320==(64512&(r=n.charCodeAt(u+1)))&&(i=65536+(i-55296<<10)+(r-56320),u++),i<128?t[s++]=i:(i<2048?t[s++]=192|i>>>6:(i<65536?t[s++]=224|i>>>12:(t[s++]=240|i>>>18,t[s++]=128|i>>>12&63),t[s++]=128|i>>>6&63),t[s++]=128|63&i);return t},s.utf8decode=function(e){if(l.nodebuffer)return u.transformTo("nodebuffer",e).toString("utf-8");for(var t,i,r=e=u.transformTo(l.uint8array?"uint8array":"array",e),s=r.length,n=new Array(2*s),a=0,o=0;o<s;)if((t=r[o++])<128)n[a++]=t;else if(4<(i=h[t]))n[a++]=65533,o+=i-1;else{for(t&=2===i?31:3===i?15:7;1<i&&o<s;)t=t<<6|63&r[o++],i--;1<i?n[a++]=65533:t<65536?n[a++]=t:(t-=65536,n[a++]=55296|t>>10&1023,n[a++]=56320|1023&t)}return n.length!==a&&(n.subarray?n=n.subarray(0,a):n.length=a),u.applyFromCharCode(n)},u.inherits(n,i),n.prototype.processChunk=function(e){var t=u.transformTo(l.uint8array?"uint8array":"array",e.data),i=(this.leftOver&&this.leftOver.length&&(l.uint8array?(i=t,(t=new Uint8Array(i.length+this.leftOver.length)).set(this.leftOver,0),t.set(i,this.leftOver.length)):t=this.leftOver.concat(t),this.leftOver=null),function(e,t){for(var i=(t=(t=t||e.length)>e.length?e.length:t)-1;0<=i&&128==(192&e[i]);)i--;return!(i<0)&&0!==i&&i+h[e[i]]>t?i:t}(t)),r=t;i!==t.length&&(l.uint8array?(r=t.subarray(0,i),this.leftOver=t.subarray(i,t.length)):(r=t.slice(0,i),this.leftOver=t.slice(i,t.length))),this.push({data:s.utf8decode(r),meta:e.meta})},n.prototype.flush=function(){this.leftOver&&this.leftOver.length&&(this.push({data:s.utf8decode(this.leftOver),meta:{}}),this.leftOver=null)},s.Utf8DecodeWorker=n,u.inherits(a,i),a.prototype.processChunk=function(e){this.push({data:s.utf8encode(e.data),meta:e.meta})},s.Utf8EncodeWorker=a},{"./nodejsUtils":12,"./stream/GenericWorker":25,"./support":27,"./utils":29}],29:[function(e,t,o){var u=e("./support"),l=e("./base64"),i=e("./nodejsUtils"),r=e("asap"),c=e("./external");function s(e){return e}function h(e,t){for(var i=0;i<e.length;++i)t[i]=255&e.charCodeAt(i);return t}o.newBlob=function(t,i){o.checkSupport("blob");try{return new Blob([t],{type:i})}catch(e){try{var r=new(window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder);return r.append(t),r.getBlob(i)}catch(e){throw new Error("Bug : can't construct the Blob.")}}};var n={stringifyByChunk:function(e,t,i){var r=[],s=0,n=e.length;if(n<=i)return String.fromCharCode.apply(null,e);for(;s<n;)r.push("array"===t||"nodebuffer"===t?String.fromCharCode.apply(null,e.slice(s,Math.min(s+i,n))):String.fromCharCode.apply(null,e.subarray(s,Math.min(s+i,n)))),s+=i;return r.join("")},stringifyByChar:function(e){for(var t="",i=0;i<e.length;i++)t+=String.fromCharCode(e[i]);return t},applyCanBeUsed:{uint8array:function(){try{return u.uint8array&&1===String.fromCharCode.apply(null,new Uint8Array(1)).length}catch(e){return!1}}(),nodebuffer:function(){try{return u.nodebuffer&&1===String.fromCharCode.apply(null,i.newBuffer(1)).length}catch(e){return!1}}()}};function a(e){var t=65536,i=o.getTypeOf(e),r=!0;if("uint8array"===i?r=n.applyCanBeUsed.uint8array:"nodebuffer"===i&&(r=n.applyCanBeUsed.nodebuffer),r)for(;1<t;)try{return n.stringifyByChunk(e,i,t)}catch(e){t=Math.floor(t/2)}return n.stringifyByChar(e)}function f(e,t){for(var i=0;i<e.length;i++)t[i]=e[i];return t}o.applyFromCharCode=a;var p={};p.string={string:s,array:function(e){return h(e,new Array(e.length))},arraybuffer:function(e){return p.string.uint8array(e).buffer},uint8array:function(e){return h(e,new Uint8Array(e.length))},nodebuffer:function(e){return h(e,i.newBuffer(e.length))}},p.array={string:a,array:s,arraybuffer:function(e){return new Uint8Array(e).buffer},uint8array:function(e){return new Uint8Array(e)},nodebuffer:function(e){return i.newBuffer(e)}},p.arraybuffer={string:function(e){return a(new Uint8Array(e))},array:function(e){return f(new Uint8Array(e),new Array(e.byteLength))},arraybuffer:s,uint8array:function(e){return new Uint8Array(e)},nodebuffer:function(e){return i.newBuffer(new Uint8Array(e))}},p.uint8array={string:a,array:function(e){return f(e,new Array(e.length))},arraybuffer:function(e){return e.buffer},uint8array:s,nodebuffer:function(e){return i.newBuffer(e)}},p.nodebuffer={string:a,array:function(e){return f(e,new Array(e.length))},arraybuffer:function(e){return p.nodebuffer.uint8array(e).buffer},uint8array:function(e){return f(e,new Uint8Array(e.length))},nodebuffer:s},o.transformTo=function(e,t){if(t=t||"",!e)return t;o.checkSupport(e);var i=o.getTypeOf(t);return p[i][e](t)},o.getTypeOf=function(e){return"string"==typeof e?"string":"[object Array]"===Object.prototype.toString.call(e)?"array":u.nodebuffer&&i.isBuffer(e)?"nodebuffer":u.uint8array&&e instanceof Uint8Array?"uint8array":u.arraybuffer&&e instanceof ArrayBuffer?"arraybuffer":void 0},o.checkSupport=function(e){if(!u[e.toLowerCase()])throw new Error(e+" is not supported by this platform")},o.MAX_VALUE_16BITS=65535,o.MAX_VALUE_32BITS=-1,o.pretty=function(e){for(var t,i="",r=0;r<(e||"").length;r++)i+="\\x"+((t=e.charCodeAt(r))<16?"0":"")+t.toString(16).toUpperCase();return i},o.delay=function(e,t,i){r(function(){e.apply(i||null,t||[])})},o.inherits=function(e,t){function i(){}i.prototype=t.prototype,e.prototype=new i},o.extend=function(){for(var e,t={},i=0;i<arguments.length;i++)for(e in arguments[i])arguments[i].hasOwnProperty(e)&&void 0===t[e]&&(t[e]=arguments[i][e]);return t},o.prepareContent=function(i,r,s,n,a){return(u.blob&&r instanceof Blob&&"undefined"!=typeof FileReader?new c.Promise(function(t,i){var e=new FileReader;e.onload=function(e){t(e.target.result)},e.onerror=function(e){i(e.target.error)},e.readAsArrayBuffer(r)}):c.Promise.resolve(r)).then(function(e){var t=o.getTypeOf(e);return t?("arraybuffer"===t?e=o.transformTo("uint8array",e):"string"===t&&(a?e=l.decode(e):s&&!0!==n&&(e=h(t=e,new(u.uint8array?Uint8Array:Array)(t.length)))),e):c.Promise.reject(new Error("The data of '"+i+"' is in an unsupported format !"))})}},{"./base64":1,"./external":6,"./nodejsUtils":12,"./support":27,asap:33}],30:[function(e,t,i){var r=e("./reader/readerFor"),s=e("./utils"),n=e("./signature"),a=e("./zipEntry"),o=(e("./utf8"),e("./support"));function u(e){this.files=[],this.loadOptions=e}u.prototype={checkSignature:function(e){var t;if(!this.reader.readAndCheckSignature(e))throw this.reader.index-=4,t=this.reader.readString(4),new Error("Corrupted zip or bug : unexpected signature ("+s.pretty(t)+", expected "+s.pretty(e)+")")},isSignature:function(e,t){var i=this.reader.index;this.reader.setIndex(e);e=this.reader.readString(4)===t;return this.reader.setIndex(i),e},readBlockEndOfCentral:function(){this.diskNumber=this.reader.readInt(2),this.diskWithCentralDirStart=this.reader.readInt(2),this.centralDirRecordsOnThisDisk=this.reader.readInt(2),this.centralDirRecords=this.reader.readInt(2),this.centralDirSize=this.reader.readInt(4),this.centralDirOffset=this.reader.readInt(4),this.zipCommentLength=this.reader.readInt(2);var e=this.reader.readData(this.zipCommentLength),t=o.uint8array?"uint8array":"array",t=s.transformTo(t,e);this.zipComment=this.loadOptions.decodeFileName(t)},readBlockZip64EndOfCentral:function(){this.zip64EndOfCentralSize=this.reader.readInt(8),this.reader.skip(4),this.diskNumber=this.reader.readInt(4),this.diskWithCentralDirStart=this.reader.readInt(4),this.centralDirRecordsOnThisDisk=this.reader.readInt(8),this.centralDirRecords=this.reader.readInt(8),this.centralDirSize=this.reader.readInt(8),this.centralDirOffset=this.reader.readInt(8),this.zip64ExtensibleData={};for(var e,t,i,r=this.zip64EndOfCentralSize-44;0<r;)e=this.reader.readInt(2),t=this.reader.readInt(4),i=this.reader.readData(t),this.zip64ExtensibleData[e]={id:e,length:t,value:i}},readBlockZip64EndOfCentralLocator:function(){if(this.diskWithZip64CentralDirStart=this.reader.readInt(4),this.relativeOffsetEndOfZip64CentralDir=this.reader.readInt(8),this.disksCount=this.reader.readInt(4),1<this.disksCount)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){for(var e,t=0;t<this.files.length;t++)e=this.files[t],this.reader.setIndex(e.localHeaderOffset),this.checkSignature(n.LOCAL_FILE_HEADER),e.readLocalPart(this.reader),e.handleUTF8(),e.processAttributes()},readCentralDir:function(){var e;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(n.CENTRAL_FILE_HEADER);)(e=new a({zip64:this.zip64},this.loadOptions)).readCentralPart(this.reader),this.files.push(e);if(this.centralDirRecords!==this.files.length&&0!==this.centralDirRecords&&0===this.files.length)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var e=this.reader.lastIndexOfSignature(n.CENTRAL_DIRECTORY_END);if(e<0)throw!this.isSignature(0,n.LOCAL_FILE_HEADER)?new Error("Can't find end of central directory : is this a zip file ? If it is, see http://stuk.github.io/jszip/documentation/howto/read_zip.html"):new Error("Corrupted zip : can't find end of central directory");this.reader.setIndex(e);var t=e;if(this.checkSignature(n.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===s.MAX_VALUE_16BITS||this.diskWithCentralDirStart===s.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===s.MAX_VALUE_16BITS||this.centralDirRecords===s.MAX_VALUE_16BITS||this.centralDirSize===s.MAX_VALUE_32BITS||this.centralDirOffset===s.MAX_VALUE_32BITS){if(this.zip64=!0,(e=this.reader.lastIndexOfSignature(n.ZIP64_CENTRAL_DIRECTORY_LOCATOR))<0)throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");if(this.reader.setIndex(e),this.checkSignature(n.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,n.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(n.ZIP64_CENTRAL_DIRECTORY_END),this.relativeOffsetEndOfZip64CentralDir<0))throw new Error("Corrupted zip : can't find the ZIP64 end of central directory");this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir),this.checkSignature(n.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64EndOfCentral()}e=this.centralDirOffset+this.centralDirSize,e=t-(e=this.zip64?e+20+(12+this.zip64EndOfCentralSize):e);if(0<e)this.isSignature(t,n.CENTRAL_FILE_HEADER)||(this.reader.zero=e);else if(e<0)throw new Error("Corrupted zip: missing "+Math.abs(e)+" bytes.")},prepareReader:function(e){this.reader=r(e)},load:function(e){this.prepareReader(e),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},t.exports=u},{"./reader/readerFor":19,"./signature":20,"./support":27,"./utf8":28,"./utils":29,"./zipEntry":31}],31:[function(e,t,i){var r=e("./reader/readerFor"),s=e("./utils"),n=e("./compressedObject"),a=e("./crc32"),o=e("./utf8"),u=e("./compressions"),l=e("./support");function c(e,t){this.options=e,this.loadOptions=t}c.prototype={isEncrypted:function(){return 1==(1&this.bitFlag)},useUTF8:function(){return 2048==(2048&this.bitFlag)},readLocalPart:function(e){var t;if(e.skip(22),this.fileNameLength=e.readInt(2),t=e.readInt(2),this.fileName=e.readData(this.fileNameLength),e.skip(t),-1===this.compressedSize||-1===this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory (compressedSize === -1 || uncompressedSize === -1)");if(null===(t=function(e){for(var t in u)if(u.hasOwnProperty(t)&&u[t].magic===e)return u[t];return null}(this.compressionMethod)))throw new Error("Corrupted zip : compression "+s.pretty(this.compressionMethod)+" unknown (inner file : "+s.transformTo("string",this.fileName)+")");this.decompressed=new n(this.compressedSize,this.uncompressedSize,this.crc32,t,e.readData(this.compressedSize))},readCentralPart:function(e){this.versionMadeBy=e.readInt(2),e.skip(2),this.bitFlag=e.readInt(2),this.compressionMethod=e.readString(2),this.date=e.readDate(),this.crc32=e.readInt(4),this.compressedSize=e.readInt(4),this.uncompressedSize=e.readInt(4);var t=e.readInt(2);if(this.extraFieldsLength=e.readInt(2),this.fileCommentLength=e.readInt(2),this.diskNumberStart=e.readInt(2),this.internalFileAttributes=e.readInt(2),this.externalFileAttributes=e.readInt(4),this.localHeaderOffset=e.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");e.skip(t),this.readExtraFields(e),this.parseZIP64ExtraField(e),this.fileComment=e.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var e=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),0==e&&(this.dosPermissions=63&this.externalFileAttributes),3==e&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(e){var t;this.extraFields[1]&&(t=r(this.extraFields[1].value),this.uncompressedSize===s.MAX_VALUE_32BITS&&(this.uncompressedSize=t.readInt(8)),this.compressedSize===s.MAX_VALUE_32BITS&&(this.compressedSize=t.readInt(8)),this.localHeaderOffset===s.MAX_VALUE_32BITS&&(this.localHeaderOffset=t.readInt(8)),this.diskNumberStart===s.MAX_VALUE_32BITS)&&(this.diskNumberStart=t.readInt(4))},readExtraFields:function(e){var t,i,r,s=e.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});e.index<s;)t=e.readInt(2),i=e.readInt(2),r=e.readData(i),this.extraFields[t]={id:t,length:i,value:r}},handleUTF8:function(){var e,t=l.uint8array?"uint8array":"array";this.useUTF8()?(this.fileNameStr=o.utf8decode(this.fileName),this.fileCommentStr=o.utf8decode(this.fileComment)):(null!==(e=this.findExtraFieldUnicodePath())?this.fileNameStr=e:(e=s.transformTo(t,this.fileName),this.fileNameStr=this.loadOptions.decodeFileName(e)),null!==(e=this.findExtraFieldUnicodeComment())?this.fileCommentStr=e:(e=s.transformTo(t,this.fileComment),this.fileCommentStr=this.loadOptions.decodeFileName(e)))},findExtraFieldUnicodePath:function(){var e,t=this.extraFields[28789];return!t||1!==(e=r(t.value)).readInt(1)||a(this.fileName)!==e.readInt(4)?null:o.utf8decode(e.readData(t.length-5))},findExtraFieldUnicodeComment:function(){var 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i,r,s=e.max_chain_length,n=e.strstart,a=e.prev_length,o=e.nice_match,u=e.strstart>e.w_size-b?e.strstart-(e.w_size-b):0,l=e.window,c=e.w_mask,h=e.prev,f=e.strstart+k,p=l[n+a-1],d=l[n+a];e.prev_length>=e.good_match&&(s>>=2),o>e.lookahead&&(o=e.lookahead);do{if(l[(i=t)+a]===d&&l[i+a-1]===p&&l[i]===l[n]&&l[++i]===l[n+1]){for(n+=2,i++;l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&n<f;);if(r=k-(f-n),n=f-k,a<r){if(e.match_start=t,o<=(a=r))break;p=l[n+a-1],d=l[n+a]}}}while((t=h[t&c])>u&&0!=--s);return a<=e.lookahead?a:e.lookahead}function q(e){var t,i,r,s,n,a,o,u,l,c=e.w_size;do{if(u=e.window_size-e.lookahead-e.strstart,e.strstart>=c+(c-b)){for(h.arraySet(e.window,e.window,c,c,0),e.match_start-=c,e.strstart-=c,e.block_start-=c,t=i=e.hash_size;r=e.head[--t],e.head[t]=c<=r?r-c:0,--i;);for(t=i=c;r=e.prev[--t],e.prev[t]=c<=r?r-c:0,--i;);u+=c}if(0===e.strm.avail_in)break;if(n=e.strm,a=e.window,o=e.strstart+e.lookahead,u=u,l=void 0,l=n.avail_in,i=0===(l=u<l?u:l)?0:(n.avail_in-=l,h.arraySet(a,n.input,n.next_in,l,o),1===n.state.wrap?n.adler=f(n.adler,a,l,o):2===n.state.wrap&&(n.adler=p(n.adler,a,l,o)),n.next_in+=l,n.total_in+=l,l),e.lookahead+=i,e.lookahead+e.insert>=g)for(s=e.strstart-e.insert,e.ins_h=e.window[s],e.ins_h=(e.ins_h<<e.hash_shift^e.window[s+1])&e.hash_mask;e.insert&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[s+g-1])&e.hash_mask,e.prev[s&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=s,s++,e.insert--,!(e.lookahead+e.insert<g)););}while(e.lookahead<b&&0!==e.strm.avail_in)}function r(e,t){for(var i,r;;){if(e.lookahead<b){if(q(e),e.lookahead<b&&t===l)return F;if(0===e.lookahead)break}if(i=0,e.lookahead>=g&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+g-1])&e.hash_mask,i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-b&&(e.match_length=n(e,i)),e.match_length>=g)if(r=u._tr_tally(e,e.strstart-e.match_start,e.match_length-g),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=g){for(e.match_length--;e.strstart++,e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+g-1])&e.hash_mask,i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart,0!=--e.match_length;);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+1])&e.hash_mask;else r=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=e.strstart<g-1?e.strstart:g-1,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}function s(e,t){for(var i,r,s;;){if(e.lookahead<b){if(q(e),e.lookahead<b&&t===l)return 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h.Buf16(2*i+1),P(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function B(e){var t;return e&&e.state?(e.total_in=e.total_out=0,e.data_type=R,(t=e.state).pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=t.wrap?y:S,e.adler=2===t.wrap?0:1,t.last_flush=l,u._tr_init(t),d):A(e,m)}function M(e){var t=B(e);return t===d&&((e=e.state).window_size=2*e.w_size,P(e.head),e.max_lazy_match=o[e.level].max_lazy,e.good_match=o[e.level].good_length,e.nice_match=o[e.level].nice_length,e.max_chain_length=o[e.level].max_chain,e.strstart=0,e.block_start=0,e.lookahead=0,e.insert=0,e.match_length=e.prev_length=g-1,e.match_available=0,e.ins_h=0),t}function G(e,t,i,r,s,n){if(!e)return m;var a=1;if(t===E&&(t=6),r<0?(a=0,r=-r):15<r&&(a=2,r-=16),s<1||D<s||i!==v||r<8||15<r||t<0||9<t||n<0||L<n)return A(e,m);8===r&&(r=9);var o=new H;return(e.state=o).strm=e,o.wrap=a,o.gzhead=null,o.w_bits=r,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=s+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+g-1)/g),o.window=new h.Buf8(2*o.w_size),o.head=new h.Buf16(o.hash_size),o.prev=new h.Buf16(o.w_size),o.lit_bufsize=1<<s+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new h.Buf8(o.pending_buf_size),o.d_buf=o.lit_bufsize>>1,o.l_buf=3*o.lit_bufsize,o.level=t,o.strategy=n,o.method=i,M(e)}o=[new a(0,0,0,0,function(e,t){var i=65535;for(i>e.pending_buf_size-5&&(i=e.pending_buf_size-5);;){if(e.lookahead<=1){if(q(e),0===e.lookahead&&t===l)return F;if(0===e.lookahead)break}e.strstart+=e.lookahead,e.lookahead=0;var r=e.block_start+i;if((0===e.strstart||e.strstart>=r)&&(e.lookahead=e.strstart-r,e.strstart=r,x(e,!1),0===e.strm.avail_out))return F;if(e.strstart-e.block_start>=e.w_size-b&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):(e.strstart>e.block_start&&(x(e,!1),e.strm.avail_out),F)}),new a(4,4,8,4,r),new a(4,5,16,8,r),new a(4,6,32,32,r),new a(4,4,16,16,s),new a(8,16,32,32,s),new a(8,16,128,128,s),new a(8,32,128,256,s),new a(32,128,258,1024,s),new a(32,258,258,4096,s)],t.deflateInit=function(e,t){return G(e,t,v,15,8,0)},t.deflateInit2=G,t.deflateReset=M,t.deflateResetKeep=B,t.deflateSetHeader=function(e,t){return!e||!e.state||2!==e.state.wrap?m:(e.state.gzhead=t,d)},t.deflate=function(e,t){var i,r,s,n;if(!e||!e.state||5<t||t<0)return e?A(e,m):m;if(r=e.state,!e.output||!e.input&&0!==e.avail_in||666===r.status&&t!==c)return A(e,0===e.avail_out?-5:m);if(r.strm=e,i=r.last_flush,r.last_flush=t,r.status===y&&(2===r.wrap?(e.adler=0,V(r,31),V(r,139),V(r,8),r.gzhead?(V(r,(r.gzhead.text?1:0)+(r.gzhead.hcrc?2:0)+(r.gzhead.extra?4:0)+(r.gzhead.name?8:0)+(r.gzhead.comment?16:0)),V(r,255&r.gzhead.time),V(r,r.gzhead.time>>8&255),V(r,r.gzhead.time>>16&255),V(r,r.gzhead.time>>24&255),V(r,9===r.level?2:2<=r.strategy||r.level<2?4:0),V(r,255&r.gzhead.os),r.gzhead.extra&&r.gzhead.extra.length&&(V(r,255&r.gzhead.extra.length),V(r,r.gzhead.extra.length>>8&255)),r.gzhead.hcrc&&(e.adler=p(e.adler,r.pending_buf,r.pending,0)),r.gzindex=0,r.status=69):(V(r,0),V(r,0),V(r,0),V(r,0),V(r,0),V(r,9===r.level?2:2<=r.strategy||r.level<2?4:0),V(r,3),r.status=S)):(a=v+(r.w_bits-8<<4)<<8,a|=(2<=r.strategy||r.level<2?0:r.level<6?1:6===r.level?2:3)<<6,0!==r.strstart&&(a|=32),a+=31-a%31,r.status=S,j(r,a),0!==r.strstart&&(j(r,e.adler>>>16),j(r,65535&e.adler)),e.adler=1)),69===r.status)if(r.gzhead.extra){for(s=r.pending;r.gzindex<(65535&r.gzhead.extra.length)&&(r.pending!==r.pending_buf_size||(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending!==r.pending_buf_size));)V(r,255&r.gzhead.extra[r.gzindex]),r.gzindex++;r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),r.gzindex===r.gzhead.extra.length&&(r.gzindex=0,r.status=73)}else r.status=73;if(73===r.status)if(r.gzhead.name){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending===r.pending_buf_size)){n=1;break}}while(n=r.gzindex<r.gzhead.name.length?255&r.gzhead.name.charCodeAt(r.gzindex++):0,V(r,n),0!==n);r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),0===n&&(r.gzindex=0,r.status=91)}else r.status=91;if(91===r.status)if(r.gzhead.comment){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending===r.pending_buf_size)){n=1;break}}while(n=r.gzindex<r.gzhead.comment.length?255&r.gzhead.comment.charCodeAt(r.gzindex++):0,V(r,n),0!==n);r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),0===n&&(r.status=103)}else r.status=103;if(103===r.status&&(r.gzhead.hcrc?(r.pending+2>r.pending_buf_size&&_(e),r.pending+2<=r.pending_buf_size&&(V(r,255&e.adler),V(r,e.adler>>8&255),e.adler=0,r.status=S)):r.status=S),0!==r.pending){if(_(e),0===e.avail_out)return r.last_flush=-1,d}else if(0===e.avail_in&&C(t)<=C(i)&&t!==c)return A(e,-5);if(666===r.status&&0!==e.avail_in)return A(e,-5);if(0!==e.avail_in||0!==r.lookahead||t!==l&&666!==r.status){var a=2===r.strategy?function(e,t){for(var i;;){if(0===e.lookahead&&(q(e),0===e.lookahead)){if(t===l)return F;break}if(e.match_length=0,i=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}(r,t):3===r.strategy?function(e,t){for(var i,r,s,n,a=e.window;;){if(e.lookahead<=k){if(q(e),e.lookahead<=k&&t===l)return F;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=g&&0<e.strstart&&(r=a[s=e.strstart-1])===a[++s]&&r===a[++s]&&r===a[++s]){for(n=e.strstart+k;r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&s<n;);e.match_length=k-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=g?(i=u._tr_tally(e,1,e.match_length-g),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}(r,t):o[r.level].func(r,t);if(a!==I&&a!==w||(r.status=666),a===F||a===I)return 0===e.avail_out&&(r.last_flush=-1),d;if(a===O&&(1===t?u._tr_align(r):5!==t&&(u._tr_stored_block(r,0,0,!1),3===t)&&(P(r.head),0===r.lookahead)&&(r.strstart=0,r.block_start=0,r.insert=0),_(e),0===e.avail_out))return r.last_flush=-1,d}return t!==c||!(r.wrap<=0)&&(2===r.wrap?(V(r,255&e.adler),V(r,e.adler>>8&255),V(r,e.adler>>16&255),V(r,e.adler>>24&255),V(r,255&e.total_in),V(r,e.total_in>>8&255),V(r,e.total_in>>16&255),V(r,e.total_in>>24&255)):(j(r,e.adler>>>16),j(r,65535&e.adler)),_(e),0<r.wrap&&(r.wrap=-r.wrap),0!==r.pending)?d:1},t.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==y&&69!==t&&73!==t&&91!==t&&103!==t&&t!==S&&666!==t?A(e,m):(e.state=null,t===S?A(e,-3):d):m},t.deflateSetDictionary=function(e,t){var i,r,s,n,a,o,u,l=t.length;if(!e||!e.state)return m;if(2===(n=(i=e.state).wrap)||1===n&&i.status!==y||i.lookahead)return m;for(1===n&&(e.adler=f(e.adler,t,l,0)),i.wrap=0,l>=i.w_size&&(0===n&&(P(i.head),i.strstart=0,i.block_start=0,i.insert=0),u=new h.Buf8(i.w_size),h.arraySet(u,t,l-i.w_size,i.w_size,0),t=u,l=i.w_size),u=e.avail_in,a=e.next_in,o=e.input,e.avail_in=l,e.next_in=0,e.input=t,q(i);i.lookahead>=g;){for(r=i.strstart,s=i.lookahead-(g-1);i.ins_h=(i.ins_h<<i.hash_shift^i.window[r+g-1])&i.hash_mask,i.prev[r&i.w_mask]=i.head[i.ins_h],i.head[i.ins_h]=r,r++,--s;);i.strstart=r,i.lookahead=g-1,q(i)}return i.strstart+=i.lookahead,i.block_start=i.strstart,i.insert=i.lookahead,i.lookahead=0,i.match_length=i.prev_length=g-1,i.match_available=0,e.next_in=a,e.input=o,e.avail_in=u,i.wrap=n,d},t.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./messages":51,"./trees":52}],47:[function(e,t,i){t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},{}],48:[function(e,t,i){t.exports=function(e,t){var i,r,s,n,a,o,u=e.state,l=e.next_in,c=e.input,h=l+(e.avail_in-5),f=e.next_out,p=e.output,d=f-(t-e.avail_out),m=f+(e.avail_out-257),v=u.dmax,g=u.wsize,k=u.whave,b=u.wnext,y=u.window,S=u.hold,F=u.bits,O=u.lencode,I=u.distcode,w=(1<<u.lenbits)-1,A=(1<<u.distbits)-1;e:do{for(F<15&&(S+=c[l++]<<F,F+=8,S+=c[l++]<<F,F+=8),i=O[S&w];;){if(S>>>=r=i>>>24,F-=r,0===(r=i>>>16&255))p[f++]=65535&i;else{if(!(16&r)){if(0==(64&r)){i=O[(65535&i)+(S&(1<<r)-1)];continue}if(32&r){u.mode=12;break e}e.msg="invalid literal/length code",u.mode=30;break e}for(s=65535&i,(r&=15)&&(F<r&&(S+=c[l++]<<F,F+=8),s+=S&(1<<r)-1,S>>>=r,F-=r),F<15&&(S+=c[l++]<<F,F+=8,S+=c[l++]<<F,F+=8),i=I[S&A];;){if(S>>>=r=i>>>24,F-=r,!(16&(r=i>>>16&255))){if(0==(64&r)){i=I[(65535&i)+(S&(1<<r)-1)];continue}e.msg="invalid distance code",u.mode=30;break e}if(n=65535&i,F<(r&=15)&&(S+=c[l++]<<F,(F+=8)<r)&&(S+=c[l++]<<F,F+=8),v<(n+=S&(1<<r)-1)){e.msg="invalid distance too far back",u.mode=30;break e}if(S>>>=r,F-=r,(r=f-d)<n){if(k<(r=n-r)&&u.sane){e.msg="invalid distance too far back",u.mode=30;break e}if(o=y,(a=0)===b){if(a+=g-r,r<s){for(s-=r;p[f++]=y[a++],--r;);a=f-n,o=p}}else if(b<r){if(a+=g+b-r,(r-=b)<s){for(s-=r;p[f++]=y[a++],--r;);if(a=0,b<s){for(s-=r=b;p[f++]=y[a++],--r;);a=f-n,o=p}}}else if(a+=b-r,r<s){for(s-=r;p[f++]=y[a++],--r;);a=f-n,o=p}for(;2<s;)p[f++]=o[a++],p[f++]=o[a++],p[f++]=o[a++],s-=3;s&&(p[f++]=o[a++],1<s)&&(p[f++]=o[a++])}else{for(a=f-n;p[f++]=p[a++],p[f++]=p[a++],p[f++]=p[a++],2<(s-=3););s&&(p[f++]=p[a++],1<s)&&(p[f++]=p[a++])}break}}break}}while(l<h&&f<m);S&=(1<<(F-=(s=F>>3)<<3))-1,e.next_in=l-=s,e.next_out=f,e.avail_in=l<h?h-l+5:5-(l-h),e.avail_out=f<m?m-f+257:257-(f-m),u.hold=S,u.bits=F}},{}],49:[function(e,t,i){var V=e("../utils/common"),j=e("./adler32"),q=e("./crc32"),B=e("./inffast"),M=e("./inftrees"),N=1,T=2,E=0,L=-2,R=1,r=852,s=592;function D(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function n(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new V.Buf16(320),this.work=new V.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=R,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new V.Buf32(r),t.distcode=t.distdyn=new V.Buf32(s),t.sane=1,t.back=-1,E):L}function o(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,a(e)):L}function u(e,t){var i,r;return!e||!e.state||(r=e.state,t<0?(i=0,t=-t):(i=1+(t>>4),t<48&&(t&=15)),t&&(t<8||15<t))?L:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,o(e))}function l(e,t){var i;return e?(i=new n,(e.state=i).window=null,(i=u(e,t))!==E&&(e.state=null),i):L}var W,z,U=!0;function K(e,t,i,r){var s,e=e.state;return null===e.window&&(e.wsize=1<<e.wbits,e.wnext=0,e.whave=0,e.window=new V.Buf8(e.wsize)),r>=e.wsize?(V.arraySet(e.window,t,i-e.wsize,e.wsize,0),e.wnext=0,e.whave=e.wsize):(r<(s=e.wsize-e.wnext)&&(s=r),V.arraySet(e.window,t,i-r,s,e.wnext),(r-=s)?(V.arraySet(e.window,t,i-r,r,0),e.wnext=r,e.whave=e.wsize):(e.wnext+=s,e.wnext===e.wsize&&(e.wnext=0),e.whave<e.wsize&&(e.whave+=s))),0}i.inflateReset=o,i.inflateReset2=u,i.inflateResetKeep=a,i.inflateInit=function(e){return l(e,15)},i.inflateInit2=l,i.inflate=function(e,t){var i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b,y,S,F,O,I,w,A=0,C=new V.Buf8(4),P=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return L;12===(i=e.state).mode&&(i.mode=13),a=e.next_out,s=e.output,u=e.avail_out,n=e.next_in,r=e.input,o=e.avail_in,l=i.hold,c=i.bits,h=o,f=u,O=E;e:for(;;)switch(i.mode){case R:if(0===i.wrap)i.mode=13;else{for(;c<16;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===l)C[i.check=0]=255&l,C[1]=l>>>8&255,i.check=q(i.check,C,2,0),c=l=0,i.mode=2;else if(i.flags=0,i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&l)<<8)+(l>>8))%31)e.msg="incorrect header check",i.mode=30;else if(8!=(15&l))e.msg="unknown compression method",i.mode=30;else{if(c-=4,F=8+(15&(l>>>=4)),0===i.wbits)i.wbits=F;else if(F>i.wbits){e.msg="invalid window size",i.mode=30;break}i.dmax=1<<F,e.adler=i.check=1,i.mode=512&l?10:12,c=l=0}}break;case 2:for(;c<16;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(i.flags=l,8!=(255&i.flags)){e.msg="unknown compression 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15:i.mode=16;case 16:if(p=i.length){if(0===(p=u<(p=o<p?o:p)?u:p))break e;V.arraySet(s,r,n,p,a),o-=p,n+=p,u-=p,a+=p,i.length-=p}else i.mode=12;break;case 17:for(;c<14;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(i.nlen=257+(31&l),l>>>=5,c-=5,i.ndist=1+(31&l),l>>>=5,c-=5,i.ncode=4+(15&l),l>>>=4,c-=4,286<i.nlen||30<i.ndist){e.msg="too many length or distance symbols",i.mode=30;break}i.have=0,i.mode=18;case 18:for(;i.have<i.ncode;){for(;c<3;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.lens[P[i.have++]]=7&l,l>>>=3,c-=3}for(;i.have<19;)i.lens[P[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,I={bits:i.lenbits},O=M(0,i.lens,0,19,i.lencode,0,i.work,I),i.lenbits=I.bits,O){e.msg="invalid code lengths set",i.mode=30;break}i.have=0,i.mode=19;case 19:for(;i.have<i.nlen+i.ndist;){for(;g=(A=i.lencode[l&(1<<i.lenbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(k<16)l>>>=v,c-=v,i.lens[i.have++]=k;else{if(16===k){for(w=v+2;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(l>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=30;break}F=i.lens[i.have-1],p=3+(3&l),l>>>=2,c-=2}else if(17===k){for(w=v+3;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}F=0,p=3+(7&(l>>>=v)),l>>>=3,c=c-v-3}else{for(w=v+7;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}F=0,p=11+(127&(l>>>=v)),l>>>=7,c=c-v-7}if(i.have+p>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=30;break}for(;p--;)i.lens[i.have++]=F}}if(30===i.mode)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=30;break}if(i.lenbits=9,I={bits:i.lenbits},O=M(N,i.lens,0,i.nlen,i.lencode,0,i.work,I),i.lenbits=I.bits,O){e.msg="invalid literal/lengths set",i.mode=30;break}if(i.distbits=6,i.distcode=i.distdyn,I={bits:i.distbits},O=M(T,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,I),i.distbits=I.bits,O){e.msg="invalid distances set",i.mode=30;break}if(i.mode=20,6===t)break e;case 20:i.mode=21;case 21:if(6<=o&&258<=u){e.next_out=a,e.avail_out=u,e.next_in=n,e.avail_in=o,i.hold=l,i.bits=c,B(e,f),a=e.next_out,s=e.output,u=e.avail_out,n=e.next_in,r=e.input,o=e.avail_in,l=i.hold,c=i.bits,12===i.mode&&(i.back=-1);break}for(i.back=0;g=(A=i.lencode[l&(1<<i.lenbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(b=v,y=g,S=k;g=(A=i.lencode[S+((l&(1<<b+y)-1)>>b)])>>>16&255,k=65535&A,!(b+(v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}l>>>=b,c-=b,i.back+=b}if(l>>>=v,c-=v,i.back+=v,i.length=k,0===g){i.mode=26;break}if(32&g){i.back=-1,i.mode=12;break}if(64&g){e.msg="invalid literal/length code",i.mode=30;break}i.extra=15&g,i.mode=22;case 22:if(i.extra){for(w=i.extra;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.length+=l&(1<<i.extra)-1,l>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=23;case 23:for(;g=(A=i.distcode[l&(1<<i.distbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(0==(240&g)){for(b=v,y=g,S=k;g=(A=i.distcode[S+((l&(1<<b+y)-1)>>b)])>>>16&255,k=65535&A,!(b+(v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}l>>>=b,c-=b,i.back+=b}if(l>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=30;break}i.offset=k,i.extra=15&g,i.mode=24;case 24:if(i.extra){for(w=i.extra;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.offset+=l&(1<<i.extra)-1,l>>>=i.extra,c-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=30;break}i.mode=25;case 25:if(0===u)break e;if(i.offset>(p=f-u)){if((p=i.offset-p)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=30;break}d=p>i.wnext?(p-=i.wnext,i.wsize-p):i.wnext-p,p>i.length&&(p=i.length),m=i.window}else m=s,d=a-i.offset,p=i.length;for(u-=p=u<p?u:p,i.length-=p;s[a++]=m[d++],--p;);0===i.length&&(i.mode=21);break;case 26:if(0===u)break e;s[a++]=i.length,u--,i.mode=21;break;case 27:if(i.wrap){for(;c<32;){if(0===o)break e;o--,l|=r[n++]<<c,c+=8}if(f-=u,e.total_out+=f,i.total+=f,f&&(e.adler=i.check=(i.flags?q:j)(i.check,s,f,a-f)),f=u,(i.flags?l:D(l))!==i.check){e.msg="incorrect data check",i.mode=30;break}c=l=0}i.mode=28;case 28:if(i.wrap&&i.flags){for(;c<32;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(l!==(4294967295&i.total)){e.msg="incorrect length check",i.mode=30;break}c=l=0}i.mode=29;case 29:O=1;break e;case 30:O=-3;break e;case 31:return-4;default:return L}return e.next_out=a,e.avail_out=u,e.next_in=n,e.avail_in=o,i.hold=l,i.bits=c,(i.wsize||f!==e.avail_out&&i.mode<30&&(i.mode<27||4!==t))&&K(e,e.output,e.next_out,f-e.avail_out)?(i.mode=31,-4):(h-=e.avail_in,f-=e.avail_out,e.total_in+=h,e.total_out+=f,i.total+=f,i.wrap&&f&&(e.adler=i.check=(i.flags?q:j)(i.check,s,f,e.next_out-f)),e.data_type=i.bits+(i.last?64:0)+(12===i.mode?128:0)+(20===i.mode||15===i.mode?256:0),(0==h&&0===f||4===t)&&O===E?-5:O)},i.inflateEnd=function(e){var t;return e&&e.state?((t=e.state).window&&(t.window=null),e.state=null,E):L},i.inflateGetHeader=function(e,t){return!e||!e.state||0==(2&(e=e.state).wrap)?L:((e.head=t).done=!1,E)},i.inflateSetDictionary=function(e,t){var i,r=t.length;return!e||!e.state||0!==(i=e.state).wrap&&11!==i.mode?L:11===i.mode&&j(1,t,r,0)!==i.check?-3:K(e,t,r,r)?(i.mode=31,-4):(i.havedict=1,E)},i.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./inffast":48,"./inftrees":50}],50:[function(e,t,i){var B=e("../utils/common"),M=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],N=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],T=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],E=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,i,r,s,n,a,o){for(var u,l,c,h,f,p,d,m,v,g=o.bits,k=0,b=0,y=0,S=0,F=0,O=0,I=0,w=0,A=0,C=0,P=null,_=0,x=new B.Buf16(16),V=new B.Buf16(16),j=null,q=0,k=0;k<=15;k++)x[k]=0;for(b=0;b<r;b++)x[t[i+b]]++;for(F=g,S=15;1<=S&&0===x[S];S--);if(S<F&&(F=S),0===S)s[n++]=20971520,s[n++]=20971520,o.bits=1;else{for(y=1;y<S&&0===x[y];y++);for(F<y&&(F=y),k=w=1;k<=15;k++)if((w=(w<<=1)-x[k])<0)return-1;if(0<w&&(0===e||1!==S))return-1;for(V[1]=0,k=1;k<15;k++)V[k+1]=V[k]+x[k];for(b=0;b<r;b++)0!==t[i+b]&&(a[V[t[i+b]]++]=b);if(p=0===e?(P=j=a,19):1===e?(P=M,_-=257,j=N,q-=257,256):(P=T,j=E,-1),k=y,f=n,c=-1,h=(A=1<<(O=F))-1,1===e&&852<A||2===e&&592<A)return 1;for(I=b=C=0;;){for(v=a[b]<p?(m=0,a[b]):a[b]>p?(m=j[q+a[b]],P[_+a[b]]):(m=96,0),u=1<<(d=k-I),y=l=1<<O;s[f+(C>>I)+(l-=u)]=d<<24|m<<16|v|0,0!==l;);for(u=1<<k-1;C&u;)u>>=1;if(C=0!==u?(C&u-1)+u:0,b++,0==--x[k]){if(k===S)break;k=t[i+a[b]]}if(F<k&&(C&h)!==c){for(f+=y,w=1<<(O=k-(I=0===I?F:I));O+I<S&&!((w-=x[O+I])<=0);)O++,w<<=1;if(A+=1<<O,1===e&&852<A||2===e&&592<A)return 1;s[c=C&h]=F<<24|O<<16|f-n|0}}0!==C&&(s[f+C]=k-I<<24|64<<16|0),o.bits=F}return 0}},{"../utils/common":41}],51:[function(e,t,i){t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],52:[function(i,n,e){var a=i("../utils/common"),c=0,h=1;function t(e){for(var t=e.length;0<=--t;)e[t]=0}var o,u,l,f=29,p=256,d=p+1+f,m=30,v=19,w=2*d+1,A=15,r=16,L=7,g=256,k=16,b=17,y=18,S=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],F=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],R=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],O=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],I=new Array(2*(d+2)),C=(t(I),new Array(2*m)),P=(t(C),new Array(512)),_=(t(P),new Array(256)),x=(t(_),new Array(f)),V=(t(x),new Array(m));function j(e,t,i,r,s){this.static_tree=e,this.extra_bits=t,this.extra_base=i,this.elems=r,this.max_length=s,this.has_stree=e&&e.length}function q(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function B(e){return e<256?P[e]:P[256+(e>>>7)]}function s(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255}function M(e,t,i){e.bi_valid>r-i?(e.bi_buf|=t<<e.bi_valid&65535,s(e,e.bi_buf),e.bi_buf=t>>r-e.bi_valid,e.bi_valid+=i-r):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=i)}function N(e,t,i){M(e,i[2*t],i[2*t+1])}function D(e,t){for(var i=0;i|=1&e,e>>>=1,i<<=1,0<--t;);return i>>>1}function W(e,t,i){for(var r,s=new Array(A+1),n=0,a=1;a<=A;a++)s[a]=n=n+i[a-1]<<1;for(r=0;r<=t;r++){var o=e[2*r+1];0!==o&&(e[2*r]=D(s[o]++,o))}}function z(e){for(var t=0;t<d;t++)e.dyn_ltree[2*t]=0;for(t=0;t<m;t++)e.dyn_dtree[2*t]=0;for(t=0;t<v;t++)e.bl_tree[2*t]=0;e.dyn_ltree[2*g]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function U(e){8<e.bi_valid?s(e,e.bi_buf):0<e.bi_valid&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function K(e,t,i,r){var s=2*t,n=2*i;return e[s]<e[n]||e[s]===e[n]&&r[t]<=r[i]}function T(e,t,i){for(var r=e.heap[i],s=i<<1;s<=e.heap_len&&(s<e.heap_len&&K(t,e.heap[s+1],e.heap[s],e.depth)&&s++,!K(t,r,e.heap[s],e.depth));)e.heap[i]=e.heap[s],i=s,s<<=1;e.heap[i]=r}function H(e,t,i){var r,s,n,a,o=0;if(0!==e.last_lit)for(;r=e.pending_buf[e.d_buf+2*o]<<8|e.pending_buf[e.d_buf+2*o+1],s=e.pending_buf[e.l_buf+o],o++,0==r?N(e,s,t):(N(e,(n=_[s])+p+1,t),0!==(a=S[n])&&M(e,s-=x[n],a),N(e,n=B(--r),i),0!==(a=F[n])&&M(e,r-=V[n],a)),o<e.last_lit;);N(e,g,t)}function E(e,t){var i,r,s,n=t.dyn_tree,a=t.stat_desc.static_tree,o=t.stat_desc.has_stree,u=t.stat_desc.elems,l=-1;for(e.heap_len=0,e.heap_max=w,i=0;i<u;i++)0!==n[2*i]?(e.heap[++e.heap_len]=l=i,e.depth[i]=0):n[2*i+1]=0;for(;e.heap_len<2;)n[2*(s=e.heap[++e.heap_len]=l<2?++l:0)]=1,e.depth[s]=0,e.opt_len--,o&&(e.static_len-=a[2*s+1]);for(t.max_code=l,i=e.heap_len>>1;1<=i;i--)T(e,n,i);for(s=u;i=e.heap[1],e.heap[1]=e.heap[e.heap_len--],T(e,n,1),r=e.heap[1],e.heap[--e.heap_max]=i,e.heap[--e.heap_max]=r,n[2*s]=n[2*i]+n[2*r],e.depth[s]=(e.depth[i]>=e.depth[r]?e.depth[i]:e.depth[r])+1,n[2*i+1]=n[2*r+1]=s,e.heap[1]=s++,T(e,n,1),2<=e.heap_len;);e.heap[--e.heap_max]=e.heap[1];for(var c,h,f,p,d,m=e,v=t.dyn_tree,g=t.max_code,k=t.stat_desc.static_tree,b=t.stat_desc.has_stree,y=t.stat_desc.extra_bits,S=t.stat_desc.extra_base,F=t.stat_desc.max_length,O=0,I=0;I<=A;I++)m.bl_count[I]=0;for(v[2*m.heap[m.heap_max]+1]=0,c=m.heap_max+1;c<w;c++)F<(I=v[2*v[2*(h=m.heap[c])+1]+1]+1)&&(I=F,O++),v[2*h+1]=I,g<h||(m.bl_count[I]++,p=0,S<=h&&(p=y[h-S]),d=v[2*h],m.opt_len+=d*(I+p),b&&(m.static_len+=d*(k[2*h+1]+p)));if(0!==O){do{for(I=F-1;0===m.bl_count[I];)I--}while(m.bl_count[I]--,m.bl_count[I+1]+=2,m.bl_count[F]--,0<(O-=2));for(I=F;0!==I;I--)for(h=m.bl_count[I];0!==h;)g<(f=m.heap[--c])||(v[2*f+1]!==I&&(m.opt_len+=(I-v[2*f+1])*v[2*f],v[2*f+1]=I),h--)}W(n,l,e.bl_count)}function G(e,t,i){var r,s,n=-1,a=t[1],o=0,u=7,l=4;for(0===a&&(u=138,l=3),t[2*(i+1)+1]=65535,r=0;r<=i;r++)s=a,a=t[2*(r+1)+1],++o<u&&s===a||(o<l?e.bl_tree[2*s]+=o:0!==s?(s!==n&&e.bl_tree[2*s]++,e.bl_tree[2*k]++):o<=10?e.bl_tree[2*b]++:e.bl_tree[2*y]++,n=s,l=(o=0)===a?(u=138,3):s===a?(u=6,3):(u=7,4))}function X(e,t,i){var 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Array(0),R,0,v,L),Z=!0}e.l_desc=new q(e.dyn_ltree,o),e.d_desc=new q(e.dyn_dtree,u),e.bl_desc=new q(e.bl_tree,l),e.bi_buf=0,e.bi_valid=0,z(e)},e._tr_stored_block=J,e._tr_flush_block=function(e,t,i,r){var s,n,a=0;if(0<e.level?(2===e.strm.data_type&&(e.strm.data_type=function(e){for(var t=4093624447,i=0;i<=31;i++,t>>>=1)if(1&t&&0!==e.dyn_ltree[2*i])return c;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return h;for(i=32;i<p;i++)if(0!==e.dyn_ltree[2*i])return h;return c}(e)),E(e,e.l_desc),E(e,e.d_desc),a=function(e){var t;for(G(e,e.dyn_ltree,e.l_desc.max_code),G(e,e.dyn_dtree,e.d_desc.max_code),E(e,e.bl_desc),t=v-1;3<=t&&0===e.bl_tree[2*O[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t}(e),s=e.opt_len+3+7>>>3,(n=e.static_len+3+7>>>3)<=s&&(s=n)):s=n=i+5,i+4<=s&&-1!==t)J(e,t,i,r);else if(4===e.strategy||n===s)M(e,2+(r?1:0),3),H(e,I,C);else{M(e,4+(r?1:0),3);var 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u,l,c,h,f,p,d,t,m,v,r,e;void 0===o||"undefined"!=typeof navigator&&/MSIE [1-9]\./.test(navigator.userAgent)||(e=o.document,u=function(){return o.URL||o.webkitURL||o},l=e.createElementNS("http://www.w3.org/1999/xhtml","a"),c="download"in l,h=/constructor/i.test(o.HTMLElement)||o.safari,f=/CriOS\/[\d]+/.test(navigator.userAgent),p=o.setImmediate||o.setTimeout,d=function(e){p(function(){throw e},0)},t=4e4,m=function(e){setTimeout(function(){"string"==typeof e?u().revokeObjectURL(e):e.remove()},t)},v=function(e){return/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)?new Blob([String.fromCharCode(65279),e],{type:e.type}):e},e=(r=function(e,i,t){t||(e=v(e));var r,s,n=this,t="application/octet-stream"===e.type,a=function(){for(var e=n,t="writestart progress write writeend".split(" "),i=void 0,r=(t=[].concat(t)).length;r--;){var s=e["on"+t[r]];if("function"==typeof 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window?window:{},NODE_JS=!root.JS_SHA1_NO_NODE_JS&&"object"==typeof process&&process.versions&&process.versions.node,COMMON_JS=(NODE_JS&&(root=global),!root.JS_SHA1_NO_COMMON_JS&&"object"==typeof module&&module.exports),AMD="function"==typeof define&&define.amd,HEX_CHARS="0123456789abcdef".split(""),EXTRA=[-2147483648,8388608,32768,128],SHIFT=[24,16,8,0],OUTPUT_TYPES=["hex","array","digest","arrayBuffer"],blocks=[],createOutputMethod=function(t){return function(e){return new Sha1(!0).update(e)[t]()}},createMethod=function(){var t=createOutputMethod("hex");(t=NODE_JS?nodeWrap(t):t).create=function(){return new Sha1},t.update=function(e){return t.create().update(e)};for(var e=0;e<OUTPUT_TYPES.length;++e){var i=OUTPUT_TYPES[e];t[i]=createOutputMethod(i)}return t},nodeWrap=function(method){var crypto=eval("require('crypto')"),Buffer=eval("require('buffer').Buffer"),nodeMethod=function(e){if("string"==typeof e)return 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e,t;this.finalized||(this.finalized=!0,e=this.blocks,t=this.lastByteIndex,e[16]=this.block,e[t>>2]|=EXTRA[3&t],this.block=e[16],56<=t&&(this.hashed||this.hash(),e[0]=this.block,e[16]=e[1]=e[2]=e[3]=e[4]=e[5]=e[6]=e[7]=e[8]=e[9]=e[10]=e[11]=e[12]=e[13]=e[14]=e[15]=0),e[14]=this.hBytes<<3|this.bytes>>>29,e[15]=this.bytes<<3,this.hash())},Sha1.prototype.hash=function(){for(var e,t=this.h0,i=this.h1,r=this.h2,s=this.h3,n=this.h4,a=this.blocks,o=16;o<80;++o)e=a[o-3]^a[o-8]^a[o-14]^a[o-16],a[o]=e<<1|e>>>31;for(o=0;o<20;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i&r|~i&s)+n+1518500249+a[o]<<0)<<5|n>>>27)+(t&(i=i<<30|i>>>2)|~t&r)+s+1518500249+a[o+1]<<0)<<5|s>>>27)+(n&(t=t<<30|t>>>2)|~n&i)+r+1518500249+a[o+2]<<0)<<5|r>>>27)+(s&(n=n<<30|n>>>2)|~s&t)+i+1518500249+a[o+3]<<0)<<5|i>>>27)+(r&(s=s<<30|s>>>2)|~r&n)+t+1518500249+a[o+4]<<0,r=r<<30|r>>>2;for(;o<40;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i^r^s)+n+1859775393+a[o]<<0)<<5|n>>>27)+(t^(i=i<<30|i>>>2)^r)+s+1859775393+a[o+1]<<0)<<5|s>>>27)+(n^(t=t<<30|t>>>2)^i)+r+1859775393+a[o+2]<<0)<<5|r>>>27)+(s^(n=n<<30|n>>>2)^t)+i+1859775393+a[o+3]<<0)<<5|i>>>27)+(r^(s=s<<30|s>>>2)^n)+t+1859775393+a[o+4]<<0,r=r<<30|r>>>2;for(;o<60;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i&r|i&s|r&s)+n-1894007588+a[o]<<0)<<5|n>>>27)+(t&(i=i<<30|i>>>2)|t&r|i&r)+s-1894007588+a[o+1]<<0)<<5|s>>>27)+(n&(t=t<<30|t>>>2)|n&i|t&i)+r-1894007588+a[o+2]<<0)<<5|r>>>27)+(s&(n=n<<30|n>>>2)|s&t|n&t)+i-1894007588+a[o+3]<<0)<<5|i>>>27)+(r&(s=s<<30|s>>>2)|r&n|s&n)+t-1894007588+a[o+4]<<0,r=r<<30|r>>>2;for(;o<80;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i^r^s)+n-899497514+a[o]<<0)<<5|n>>>27)+(t^(i=i<<30|i>>>2)^r)+s-899497514+a[o+1]<<0)<<5|s>>>27)+(n^(t=t<<30|t>>>2)^i)+r-899497514+a[o+2]<<0)<<5|r>>>27)+(s^(n=n<<30|n>>>2)^t)+i-899497514+a[o+3]<<0)<<5|i>>>27)+(r^(s=s<<30|s>>>2)^n)+t-899497514+a[o+4]<<0,r=r<<30|r>>>2;this.h0=this.h0+t<<0,this.h1=this.h1+i<<0,this.h2=this.h2+r<<0,this.h3=this.h3+s<<0,this.h4=this.h4+n<<0},Sha1.prototype.hex=function(){this.finalize();var e=this.h0,t=this.h1,i=this.h2,r=this.h3,s=this.h4;return HEX_CHARS[e>>28&15]+HEX_CHARS[e>>24&15]+HEX_CHARS[e>>20&15]+HEX_CHARS[e>>16&15]+HEX_CHARS[e>>12&15]+HEX_CHARS[e>>8&15]+HEX_CHARS[e>>4&15]+HEX_CHARS[15&e]+HEX_CHARS[t>>28&15]+HEX_CHARS[t>>24&15]+HEX_CHARS[t>>20&15]+HEX_CHARS[t>>16&15]+HEX_CHARS[t>>12&15]+HEX_CHARS[t>>8&15]+HEX_CHARS[t>>4&15]+HEX_CHARS[15&t]+HEX_CHARS[i>>28&15]+HEX_CHARS[i>>24&15]+HEX_CHARS[i>>20&15]+HEX_CHARS[i>>16&15]+HEX_CHARS[i>>12&15]+HEX_CHARS[i>>8&15]+HEX_CHARS[i>>4&15]+HEX_CHARS[15&i]+HEX_CHARS[r>>28&15]+HEX_CHARS[r>>24&15]+HEX_CHARS[r>>20&15]+HEX_CHARS[r>>16&15]+HEX_CHARS[r>>12&15]+HEX_CHARS[r>>8&15]+HEX_CHARS[r>>4&15]+HEX_CHARS[15&r]+HEX_CHARS[s>>28&15]+HEX_CHARS[s>>24&15]+HEX_CHARS[s>>20&15]+HEX_CHARS[s>>16&15]+HEX_CHARS[s>>12&15]+HEX_CHARS[s>>8&15]+HEX_CHARS[s>>4&15]+HEX_CHARS[15&s]},Sha1.prototype.toString=Sha1.prototype.hex,Sha1.prototype.digest=function(){this.finalize();var e=this.h0,t=this.h1,i=this.h2,r=this.h3,s=this.h4;return[e>>24&255,e>>16&255,e>>8&255,255&e,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24&255,i>>16&255,i>>8&255,255&i,r>>24&255,r>>16&255,r>>8&255,255&r,s>>24&255,s>>16&255,s>>8&255,255&s]},Sha1.prototype.array=Sha1.prototype.digest,Sha1.prototype.arrayBuffer=function(){this.finalize();var e=new ArrayBuffer(20),t=new DataView(e);return t.setUint32(0,this.h0),t.setUint32(4,this.h1),t.setUint32(8,this.h2),t.setUint32(12,this.h3),t.setUint32(16,this.h4),e};var exports=createMethod();COMMON_JS?module.exports=exports:(root.sha1=exports,AMD&&define(function(){return exports}))}(),Object.extend(Squeak,{vmPath:"/",platformSubtype:"Browser",osVersion:navigator.userAgent,windowSystem:"HTML"}),window.SqueakJS={};var canUseMouseOffset=navigator.userAgent.match("AppleWebKit/");function updateMousePos(e,t,i){var r=canUseMouseOffset?e.offsetX:e.layerX,e=canUseMouseOffset?e.offsetY:e.layerY,r=(i.cursorCanvas&&(i.cursorCanvas.style.left=r+t.offsetLeft+i.cursorOffsetX+"px",i.cursorCanvas.style.top=e+t.offsetTop+i.cursorOffsetY+"px"),r*t.width/t.offsetWidth|0),e=e*t.height/t.offsetHeight|0;i.mouseX=Math.max(0,Math.min(i.width,r)),i.mouseY=Math.max(0,Math.min(i.height,e))}function recordMouseEvent(e,t,i,r,s){if(updateMousePos(t,i,r),r.vm){var n=r.buttons&Squeak.Mouse_All;switch(e){case"mousedown":switch(t.button||0){case 0:n=Squeak.Mouse_Red;break;case 1:n=Squeak.Mouse_Yellow;break;case 2:n=Squeak.Mouse_Blue}n===Squeak.Mouse_Red&&(t.altKey||t.metaKey)&&(n=Squeak.Mouse_Yellow),s.swapButtons&&(n==Squeak.Mouse_Yellow?n=Squeak.Mouse_Blue:n==Squeak.Mouse_Blue&&(n=Squeak.Mouse_Yellow));break;case"mousemove":break;case"mouseup":n=0}r.buttons=n|recordModifiers(t,r),r.eventQueue&&(r.eventQueue.push([Squeak.EventTypeMouse,t.timeStamp,r.mouseX,r.mouseY,r.buttons&Squeak.Mouse_All,r.buttons>>3]),r.signalInputEvent)&&r.signalInputEvent(),r.idle=0,"mouseup"==e?r.runFor&&r.runFor(100):r.runNow&&r.runNow()}}function recordKeyboardEvent(e,t,i){var r;i.vm&&(r=i.buttons>>3<<8|e,i.eventQueue?(i.eventQueue.push([Squeak.EventTypeKeyboard,t,e,Squeak.EventKeyChar,i.buttons>>3,e]),i.signalInputEvent&&i.signalInputEvent(),i.keys[0]=r):r===i.vm.interruptKeycode?i.vm.interruptPending=!0:i.keys.push(r),i.idle=0,i.runNow)&&i.runNow()}function recordDragDropEvent(e,t,i,r){r.vm&&r.eventQueue&&(updateMousePos(t,i,r),r.eventQueue.push([Squeak.EventTypeDragDropFiles,t.timeStamp,e,r.mouseX,r.mouseY,r.buttons>>3,r.droppedFiles.length]),r.signalInputEvent)&&r.signalInputEvent()}function fakeCmdOrCtrlKey(e,t,i){i.buttons&=~Squeak.Keyboard_All,i.buttons|=Squeak.Keyboard_Cmd|Squeak.Keyboard_Ctrl,i.keys=[],recordKeyboardEvent(e,t,i)}function makeSqueakEvent(e,t,i){t[0]=e[0],t[1]=e[1]-i&Squeak.MillisecondClockMask;for(var r=2;r<e.length;r++)t[r]=e[r]}function createSqueakDisplay(l,c){(c=c||{}).fullscreen&&(document.body.style.margin=0,document.body.style.backgroundColor="black",document.ontouchmove=function(e){e.preventDefault()},c.header&&(c.header.style.display="none"),c.footer)&&(c.footer.style.display="none");var h={context:l.getContext("2d"),fullscreen:!1,width:0,height:0,scale:1,highdpi:c.highdpi,mouseX:0,mouseY:0,buttons:0,keys:[],eventQueue:null,clipboardString:"",clipboardStringChanged:!1,cursorCanvas:!1!==c.cursor&&document.getElementById("sqCursor")||document.createElement("canvas"),cursorOffsetX:0,cursorOffsetY:0,droppedFiles:[],signalInputEvent:null,changedCallback:null},o=(setupSwapButtons(c),c.pixelated&&(l.classList.add("pixelated"),h.cursorCanvas)&&h.cursorCanvas.classList.add("pixelated"),h.reset=function(){h.eventQueue=null,h.signalInputEvent=null,h.lastTick=0,h.getNextEvent=function(e,t){h.eventQueue=[],h.eventQueue.push=function(e){h.eventQueue.offset=Date.now()-e[1],delete h.eventQueue.push,h.eventQueue.push(e)},h.getNextEvent=function(e,t){var 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+!function(){"use strict";if(self.Squeak||(self.Squeak={}),!Squeak.Settings){var settings;try{if(settings=self.localStorage,settings["squeak-foo:"]="bar","bar"!==settings["squeak-foo:"])throw Error();delete settings["squeak-foo:"]}catch(e){settings={}}Squeak.Settings=settings}function CroquetPlugin(){return{getModuleName:function(){return"CroquetPlugin"},interpreterProxy:null,setInterpreter:function(e){return this.interpreterProxy=e,!0},primitiveGatherEntropy:function(e){var t=this.interpreterProxy.stackObjectValue(0);return this.interpreterProxy.failed()?null:t.isBytes()?(window.crypto.getRandomValues(t.bytes),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0):this.interpreterProxy.primitiveFail()}}}function registerCroquetPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("CroquetPlugin",CroquetPlugin()):self.setTimeout(registerCroquetPlugin,100)}function SocketPlugin(){return{getModuleName:function(){return"SocketPlugin (http-only)"},interpreterProxy:null,primHandler:null,handleCounter:0,needProxy:new Set,status:0,lookupCache:{localhost:{address:[127,0,0,1],validUntil:Number.MAX_SAFE_INTEGER}},lastLookup:null,lookupSemaIdx:0,TCP_Socket_Type:0,Resolver_Uninitialized:0,Resolver_Ready:1,Resolver_Busy:2,Resolver_Error:3,Socket_InvalidSocket:-1,Socket_Unconnected:0,Socket_WaitingForConnection:1,Socket_Connected:2,Socket_OtherEndClosed:3,Socket_ThisEndClosed:4,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},_signalSemaphore:function(e){e<=0||this.primHandler.signalSemaphoreWithIndex(e)},_signalLookupSemaphore:function(){this._signalSemaphore(this.lookupSemaIdx)},_getAddressFromLookupCache:function(e,t){if(e){if(e.match(/^\d+\.\d+\.\d+\.\d+$/)){var i=e.split(".").map(function(e){return+e});if(i.every(function(e){return e<=255}))return new Uint8Array(i)}i=this.lookupCache[e];if(i&&(t||i.validUntil>=Date.now()))return new Uint8Array(i.address)}return null},_addAddressFromResponseToLookupCache:function(e){var t,i,r,s,n;e&&0===e.Status&&e.Question&&e.Answer&&(i=e.Question[0],(t=function(e,t){e[t]&&e[t].replace&&(e[t]=e[t].replace(/\.$/,""))})(i,"name"),e.Answer.forEach(function(e){t(e,"name"),t(e,"data")}),r=i.name,s=null,n=86400,e.Answer.some(function(e){if(e.name===r){if(e.TTL&&(n=Math.min(n,e.TTL)),1===e.type)return s=e.data.split(".").map(function(e){return+e}),!0;5===e.type&&(r=e.data)}return!1}))&&(this.lookupCache[i.name]={address:s,validUntil:Date.now()+1e3*n})},_compareAddresses:function(e,i){return e.every(function(e,t){return i[t]===e})},_reverseLookupNameForAddress:function(t){var i=this,r=null;return Object.keys(this.lookupCache).some(function(e){return!!i._compareAddresses(t,i.lookupCache[e].address)&&(r=e,!0)}),r||t.join(".")},_newSocketHandle:function(e,t,i,r){var l=this;return{hostAddress:null,host:null,port:null,connSemaIndex:t,readSemaIndex:i,writeSemaIndex:r,webSocket:null,sendBuffer:null,sendTimeout:null,response:null,responseReadUntil:0,responseReceived:!1,status:l.Socket_Unconnected,_signalConnSemaphore:function(){l._signalSemaphore(this.connSemaIndex)},_signalReadSemaphore:function(){l._signalSemaphore(this.readSemaIndex)},_signalWriteSemaphore:function(){l._signalSemaphore(this.writeSemaIndex)},_otherEndClosed:function(){this.status=l.Socket_OtherEndClosed,this.webSocket=null,this._signalConnSemaphore()},_hostAndPort:function(){return this.host+":"+this.port},_requestNeedsProxy:function(){return l.needProxy.has(this._hostAndPort())},_getURL:function(e,t){var i="";return(t||this._requestNeedsProxy())&&(i="object"==typeof SqueakJS&&SqueakJS.options.proxy||"https://corsproxy.io/?"),443!==this.port?i+="http://"+this._hostAndPort()+e:i+="https://"+this.host+e,i},_performRequest:function(){if(this.webSocket)this._performWebSocketSend();else{var e=new TextDecoder("utf-8").decode(this.sendBuffer),t=this.sendBuffer.findIndex(function(e,t,i){return"\r"===i[t]&&"\r"===i[t+2]&&"\n"===i[t+1]&&"\n"===i[t+3]}),i=(this.sendBuffer=0<=t?this.sendBuffer.subarray(t+4):null,e.split("\r\n\r\n")[0].split("\n")),t=i[0].split(" "),e=t[0];if("GET"!==e&&"PUT"!==e&&"POST"!==e)return this._otherEndClosed(),-1;for(var t=t[1],r=!1,s=!1,n=null,a=1;a<i.length;a++){var o,u,l,c=i[a];c.match(/Content-Length:/i)?(o=parseInt(c.substr(16)),u=this.sendBuffer.byteLength,n=this.sendBuffer.subarray(u-o,u)):c.match(/Host:/i)&&(u=(o=c.substr(6).trim()).split(":")[0],l=parseInt(o.split(":")[1])||this.port,this.host!==u&&(console.warn("Host for "+this.hostAddress+" was "+this.host+" but from HTTP request now "+u),this.host=u),this.port!==l)&&(console.warn("Port for "+this.hostAddress+" was "+this.port+" but from HTTP request now "+l),this.port=l),c.match(/Connection: Upgrade/i)?r=!0:c.match(/Upgrade: WebSocket/i)&&(s=!0)}"GET"===e&&r&&s?this._performWebSocketRequest(t,e,n,i):self.fetch?this._performFetchAPIRequest(t,e,n,i):this._performXMLHTTPRequest(t,e,n,i)}},_performFetchAPIRequest:function(i,r,s,n){for(var a=this,e={},t=1;t<n.length;t++){var o=n[t].split(":");2===o.length&&(e[o[0]]=o[1].trim())}"object"==typeof SqueakJS&&SqueakJS.options.ajax&&(e["X-Requested-With"]="XMLHttpRequest");var u={method:r,headers:e,body:s,mode:"cors"};fetch(this._getURL(i),u).then(a._handleFetchAPIResponse.bind(a)).catch(function(e){var t=a._getURL(i,!0);console.warn("Retrying with CORS proxy: "+t),fetch(t,u).then(function(e){console.log("Success: "+t),a._handleFetchAPIResponse(e),l.needProxy.add(a._hostAndPort())}).catch(function(e){console.warn("Fetch API failed, retrying with XMLHttpRequest"),a._performXMLHTTPRequest(i,r,s,n)})})},_handleFetchAPIResponse:function(e){var r;null===this.response&&(r=["HTTP/1.0 ",e.status," ",e.statusText,"\r\n"],e.headers.forEach(function(e,t,i){r=r.concat([t,": ",e,"\r\n"])}),r.push("\r\n"),this.response=[new TextEncoder("utf-8").encode(r.join(""))]),this._readIncremental(e.body.getReader())},_readIncremental:function(t){var i=this;return t.read().then(function(e){if(!e.done)return i.response.push(e.value),i._signalReadSemaphore(),i._readIncremental(t);i.responseReceived=!0})},_performXMLHTTPRequest:function(r,s,n,e){for(var t,a=this,i=1;i<e.length;i++){var o=e[i];if(o.match(/Content-Type:/i)){t=encodeURIComponent(o.substr(14));break}}var u=new XMLHttpRequest;u.open(s,this._getURL(r)),void 0!==t&&u.setRequestHeader("Content-type",t),"object"==typeof SqueakJS&&SqueakJS.options.ajax&&u.setRequestHeader("X-Requested-With","XMLHttpRequest"),u.responseType="arraybuffer",u.onload=function(e){a._handleXMLHTTPResponse(this)},u.onerror=function(e){var t=a._getURL(r,!0),i=(console.warn("Retrying with CORS proxy: "+t),new XMLHttpRequest);i.open(s,t),i.responseType=u.responseType,"object"==typeof SqueakJS&&SqueakJS.options.ajaxx&&i.setRequestHeader("X-Requested-With","XMLHttpRequest"),i.onload=function(e){console.log("Success: "+t),a._handleXMLHTTPResponse(this),l.needProxy.add(a._hostAndPort())},i.onerror=function(){a._otherEndClosed(),console.error("Failed to download:\n"+t)},i.send(n)},u.send(n)},_handleXMLHTTPResponse:function(e){this.responseReceived=!0;var t,i=e.response;i?(e=new TextEncoder("utf-8").encode("HTTP/1.0 "+e.status+" "+e.statusText+"\r\n"+e.getAllResponseHeaders()+"\r\n"),(t=new Uint8Array(e.byteLength+i.byteLength)).set(e,0),t.set(new Uint8Array(i),e.byteLength),this.response=[t],this._signalReadSemaphore()):this._otherEndClosed()},_performWebSocketRequest:function(e,t,i,r){for(var s,n,e=this._getURL(e),a=1;a<r.length;a++){var o=r[a].split(":");if("Sec-WebSocket-Protocol"===o[0]){if(s=o[1].trim(),n)break}else if("Sec-WebSocket-Key"===o[0]&&(n=o[1].trim(),s))break}this.webSocket=new WebSocket(e.replace(/^http/,"ws"),s);var u=this;this.webSocket.onopen=function(){u.status!==l.Socket_Connected&&(u.status=l.Socket_Connected,u._signalConnSemaphore(),u._signalWriteSemaphore());var e=new Uint8Array(sha1.array(n+"258EAFA5-E914-47DA-95CA-C5AB0DC85B11")),e=Squeak.bytesAsString(e);u._performWebSocketReceive("HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "+btoa(e)+"\r\n\r\n",!0)},this.webSocket.onmessage=function(e){u._performWebSocketReceive(e.data)},this.webSocket.onerror=function(e){u._otherEndClosed(),console.error("Error in WebSocket:",e)},this.webSocket.onclose=function(){u._otherEndClosed()}},_performWebSocketReceive:function(e,t){var i,r=!e.substr;r||(e=new TextEncoder("utf-8").encode(e)),t||(t=2+e.length+4,i=e.byteLength<126?e.length:e.byteLength<65535?(t+=2,126):(t+=8,127),(t=new Uint8Array(t))[0]=r?130:129,t[1]=128|i,r=126===i?(t[2]=e.length>>>8,t[3]=255&e.length,4):127===i?(t[2]=e.length>>>56,t[3]=e.length>>>48&255,t[4]=e.length>>>40&255,t[5]=e.length>>>32&255,t[6]=e.length>>>24&255,t[7]=e.length>>>16&255,t[8]=e.length>>>8&255,t[9]=255&e.length,10):2,i=new Uint8Array(4),t.set(i,r),i=e,t.set(i,r+=4),e=t),this.response&&this.response.length?this.response.push(e):this.response=[e],this.responseReceived=!0,this._signalReadSemaphore()},_performWebSocketSend:function(){var e,t=this.sendBuffer[0],t=15&t;if(0==t)return console.error("No support for WebSocket frame continuation yet!"),!0;if(1==t)e=!1;else{if(2!=t)return 8==t?(this.webSocket.close(),void(this.webSocket=null)):9==t||10==t?void 0:void console.error("Unsupported WebSocket frame opcode "+t);e=!0}var i,t=this.sendBuffer[1],r=t>>>7,t=127&t,s=126===t?(t=this.sendBuffer[2]<<8|this.sendBuffer[3],4):127===t?(t=this.sendBuffer[2]<<56|this.sendBuffer[3]<<48|this.sendBuffer[4]<<40|this.sendBuffer[5]<<32|this.sendBuffer[6]<<24|this.sendBuffer[7]<<16|this.sendBuffer[8]<<8|this.sendBuffer[9],10):2,n=(r&&(i=this.sendBuffer.subarray(s,s+4),s+=4),this.sendBuffer.subarray(s,s+t));s+=t,r&&(n=n.map(function(e,t){return e^i[3&t]})),t=e?n:Squeak.bytesAsString(n),this.sendBuffer=this.sendBuffer.subarray(s),this.webSocket.send(t),0<this.sendBuffer.byteLength&&this._performWebSocketSend()},connect:function(e,t){this.hostAddress=e,this.host=l._reverseLookupNameForAddress(e),this.port=t,this.status=l.Socket_Connected,this._signalConnSemaphore(),this._signalWriteSemaphore()},close:function(){this.status!=l.Socket_Connected&&this.status!=l.Socket_OtherEndClosed&&this.status!=l.Socket_WaitingForConnection||(this.webSocket&&(this.webSocket.close(),this.webSocket=null),this.status=l.Socket_Unconnected,this._signalConnSemaphore())},destroy:function(){this.status=l.Socket_InvalidSocket},dataAvailable:function(){if(this.status!=l.Socket_InvalidSocket&&this.status==l.Socket_Connected){if(this.webSocket)return this.response&&0<this.response.length;if(this.response&&0<this.response.length)return this._signalReadSemaphore(),!0;this.responseSentCompletly&&(this.status=l.Socket_OtherEndClosed,this._signalConnSemaphore())}return!1},recv:function(e){var t,i;return null===this.response?[]:((t=this.response[0]).length>e?((i=t.subarray(e))?this.response[0]=i:this.response.shift(),t=t.subarray(0,e)):this.response.shift(),this.responseReceived&&0===this.response.length&&!this.webSocket&&(this.responseSentCompletly=!0),t)},send:function(e,t,i){null!==this.sendTimeout&&self.clearTimeout(this.sendTimeout),this.lastSend=Date.now();e=e.bytes.subarray(t,i);return null===this.sendBuffer?this.sendBuffer=e.slice():(t=this.sendBuffer.byteLength+e.byteLength,(i=new Uint8Array(t)).set(this.sendBuffer,0),i.set(e,this.sendBuffer.byteLength),this.sendBuffer=i),this.sendTimeout=self.setTimeout(this._performRequest.bind(this),50),e.byteLength}}},primitiveHasSocketAccess:function(e){return this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0},primitiveInitializeNetwork:function(e){return 1===e&&(this.lookupSemaIdx=this.interpreterProxy.stackIntegerValue(0),this.status=this.Resolver_Ready,this.interpreterProxy.pop(e),!0)},primitiveResolverNameLookupResult:function(e){var t;return 0===e&&(this.lastLookup&&this.lastLookup.substr?(t=this._getAddressFromLookupCache(this.lastLookup,!0),this.interpreterProxy.popthenPush(e+1,t?this.primHandler.makeStByteArray(t):this.interpreterProxy.nilObject())):this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverStartNameLookup:function(e){var t,i,r,s,n;return 1===e&&(t=this.lastLookup=this.interpreterProxy.stackValue(0).bytesAsString(),this._getAddressFromLookupCache(t,!1)?(this.status=this.Resolver_Ready,this._signalLookupSemaphore()):(i="https://9.9.9.9:5053/dns-query?name="+encodeURIComponent(this.lastLookup)+"&type=A",self.fetch?(r=this,self.fetch(i,{method:"GET",mode:"cors",credentials:"omit",cache:"no-store",referrer:"no-referrer",referrerPolicy:"no-referrer"}).then(function(e){return e.json()}).then(function(e){r._addAddressFromResponseToLookupCache(e)}).catch(function(e){console.error("Name lookup failed",e)}).then(function(){t===r.lastLookup&&(r.status=r.Resolver_Ready,r._signalLookupSemaphore())})):(r=this,s=function(){t===r.lastLookup&&(r.status=r.Resolver_Ready,r._signalLookupSemaphore())},(n=new XMLHttpRequest).open("GET",i,!0),n.timeout=2e3,n.responseType="json",n.onload=function(e){r._addAddressFromResponseToLookupCache(this.response),s()},n.onerror=function(){console.error("Name lookup failed",n.statusText),s()},n.send()),!0&&(this.status=this.Resolver_Busy,this._signalLookupSemaphore())),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverAddressLookupResult:function(e){var t;return 0===e&&(this.lastLookup&&this.lastLookup.every?(t=this._reverseLookupNameForAddress(this.lastLookup),t=this.primHandler.makeStString(t),this.interpreterProxy.popthenPush(e+1,t)):this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveResolverStartAddressLookup:function(e){return 1===e&&(this.lastLookup=this.interpreterProxy.stackBytes(0),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),this.status=this.Resolver_Ready,this._signalLookupSemaphore(),!0)},primitiveResolverStatus:function(e){return 0===e&&(this.interpreterProxy.popthenPush(e+1,this.status),!0)},primitiveResolverAbortLookup:function(e){return 0===e&&(this.lastLookup=null,this.status=this.Resolver_Ready,this._signalLookupSemaphore(),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketRemoteAddress:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(this.interpreterProxy.popthenPush(e+1,t.hostAddress?this.primHandler.makeStByteArray(t.hostAddress):this.interpreterProxy.nilObject()),!0)},primitiveSocketRemotePort:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(this.interpreterProxy.popthenPush(e+1,t.port),!0)},primitiveSocketConnectionStatus:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(void 0===(t=t.status)&&(t=this.Socket_InvalidSocket),this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveSocketConnectToPort:function(e){var t,i,r;return 3===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(2).handle)&&(i=this.interpreterProxy.stackBytes(1),r=this.interpreterProxy.stackIntegerValue(0),t.connect(i,r),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketCloseConnection:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(t.close(),this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),!0)},primitiveSocketCreate3Semaphores:function(e){var t,i,r,s,n;return 7===e&&(t=this.interpreterProxy.stackIntegerValue(0),i=this.interpreterProxy.stackIntegerValue(1),r=this.interpreterProxy.stackIntegerValue(2),s=this.interpreterProxy.stackIntegerValue(3),this.interpreterProxy.stackIntegerValue(5)===this.TCP_Socket_Type)&&(n="{SqueakJS Socket #"+ ++this.handleCounter+"}",(n=this.primHandler.makeStString(n)).handle=this._newSocketHandle(s,r,i,t),this.interpreterProxy.popthenPush(e+1,n),!0)},primitiveSocketDestroy:function(e){var t;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(t.destroy(),this.interpreterProxy.popthenPush(e+1,t.status),!0)},primitiveSocketReceiveDataAvailable:function(e){var t,i;return 1===e&&void 0!==(t=this.interpreterProxy.stackObjectValue(0).handle)&&(i=this.interpreterProxy.falseObject(),t.dataAvailable()&&(i=this.interpreterProxy.trueObject()),this.interpreterProxy.popthenPush(e+1,i),!0)},primitiveSocketReceiveDataBufCount:function(e){var t,i,r,s;return 4===e&&void 0!==(s=this.interpreterProxy.stackObjectValue(3).handle)&&(t=this.interpreterProxy.stackObjectValue(2),!((i=this.interpreterProxy.stackIntegerValue(1)-1)+(r=this.interpreterProxy.stackIntegerValue(0))>t.bytes.length||(s=s.recv(r),t.bytes.set(s,i),this.interpreterProxy.popthenPush(e+1,s.length),0)))},primitiveSocketSendDataBufCount:function(e){var t,i,r,s;return 4===e&&void 0!==(s=this.interpreterProxy.stackObjectValue(3).handle)&&(t=this.interpreterProxy.stackObjectValue(2),!((i=this.interpreterProxy.stackIntegerValue(1)-1)<0||(r=i+this.interpreterProxy.stackIntegerValue(0))>t.length||(s=s.send(t,i,r),this.interpreterProxy.popthenPush(e+1,s),0)))},primitiveSocketSendDone:function(e){return 1===e&&(this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.trueObject()),!0)},primitiveSocketListenWithOrWithoutBacklog:function(e){return!(e<2||(this.interpreterProxy.popthenPush(e+1,this.interpreterProxy.nilObject()),0))}}}function registerSocketPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("SocketPlugin",SocketPlugin()):self.setTimeout(registerSocketPlugin,100)}function SpeechPlugin(){return{getModuleName:function(){return"SpeechPlugin"},interpreterProxy:null,primHandler:null,voiceInput:null,semaphoreIndex:null,shouldListen:!1,recognition:null,synth:self.speechSynthesis,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},primitiveSpeak:function(e){if(1===e)t=this.interpreterProxy.stackValue(0).bytesAsString();else{if(2!==e)return!1;var t=this.interpreterProxy.stackValue(1).bytesAsString(),i=this.interpreterProxy.stackValue(0).bytesAsString(),r=this.synth.getVoices().filter(function(e){return e.name===i})}t=new SpeechSynthesisUtterance(t);return r&&0<r.length&&(t.voice=r[0]),this.synth.speak(t),this.interpreterProxy.pop(e),!0},primitiveRegisterSemaphore:function(e){return 1===e&&(this.semaphoreIndex=this.interpreterProxy.stackIntegerValue(0),this.interpreterProxy.pop(e),!0)},primitiveUnregisterSemaphore:function(e){return 0===e&&!(this.semaphoreIndex=null)},primitiveGetLastRecognitionResult:function(e){return 0===e&&null!==this.semaphoreIndex&&null!==this.voiceInput&&(e=this.primHandler.makeStArray(this.voiceInput),this.voiceInput=[],this.interpreterProxy.popthenPush(1,e),!0)},primitiveStartListening:function(e){return 0===e&&(this.recognition=new webkitSpeechRecognition,this.recognition.lang="en-US",this.recognition.interimResults=!0,this.recognition.onresult=this._onRecognitionResult.bind(this),this.recognition.onerror=function(e){console.log(e)},this.recognition.onend=function(e){this.shouldListen&&this.recognition.start()}.bind(this),this.shouldListen=!0,this.recognition.start(),!0)},_onRecognitionResult:function(e){this.voiceInput=[];for(var t=e.resultIndex;t<e.results.length;t++){for(var i=e.results[t],r=[i.isFinal,[]],s=0;s<i.length;s++){var n=i[s].transcript;Date.now();r[1].push([n,i[s].confidence])}0<r[1].length&&this.voiceInput.push(r)}null!==this.semaphoreIndex&&0<this.voiceInput.length&&this.primHandler.signalSemaphoreWithIndex(this.semaphoreIndex)},primitiveStopListening:function(e){return 0===e&&(this.voiceInput=[],this.recognition.stop(),!(this.shouldListen=!1))}}}function registerSpeechPlugin(){"object"==typeof Squeak&&Squeak.registerExternalModule?"webkitSpeechRecognition"in self?Squeak.registerExternalModule("SpeechPlugin",SpeechPlugin()):console.warn("SpeechPlugin: Web Speech API is not supported by this browser."):self.setTimeout(registerSpeechPlugin,100)}function SqueakSSL(){return{getModuleName:function(){return"SqueakSSL (fake)"},interpreterProxy:null,primHandler:null,handleCounter:0,SQSSL_OK:0,SQSSL_NEED_MORE_DATA:-1,SQSSL_INVALID_STATE:-2,SQSSL_BUFFER_TOO_SMALL:-3,SQSSL_INPUT_TOO_LARGE:-4,SQSSL_GENERIC_ERROR:-5,SQSSL_OUT_OF_MEMORY:-6,SQSSL_PROP_VERSION:0,SQSSL_PROP_LOGLEVEL:1,SQSSL_PROP_SSLSTATE:2,SQSSL_PROP_CERTSTATE:3,SQSSL_PROP_PEERNAME:0,SQSSL_PROP_CERTNAME:1,SQSSL_PROP_SERVERNAME:2,setInterpreter:function(e){return this.interpreterProxy=e,this.primHandler=this.interpreterProxy.vm.primHandler,!0},primitiveCreate:function(e){var t="{SqueakJS SSL #"+ ++this.handleCounter+"}",t=this.primHandler.makeStString(t);return t.handle=!0,this.interpreterProxy.popthenPush(e+1,t),!0},primitiveConnect:function(e){return 5===e&&(this.interpreterProxy.popthenPush(e+1,0),!0)},primitiveDestroy:function(e){return 1===e&&(this.interpreterProxy.popthenPush(e+1,1),!0)},primitiveGetIntProperty:function(e){var t;return 2===e&&void 0!==this.interpreterProxy.stackObjectValue(1).handle&&(t=this.interpreterProxy.stackIntegerValue(0)===this.SQSSL_PROP_CERTSTATE?this.SQSSL_OK:0,this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveSetStringProperty:function(e){return 3===e&&void 0!==this.interpreterProxy.stackObjectValue(2).handle&&(this.interpreterProxy.pop(e),!0)},primitiveGetStringProperty:function(e){var t;return 2===e&&void 0!==this.interpreterProxy.stackObjectValue(1).handle&&(t=this.interpreterProxy.stackIntegerValue(0)===this.SQSSL_PROP_PEERNAME?this.primHandler.makeStString("*"):this.interpreterProxy.nilObject(),this.interpreterProxy.popthenPush(e+1,t),!0)},primitiveEncrypt:function(e){var t,i;return 5===e&&void 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e&&8<=e._format&&e._format<12?(t=t[e.oop],t=e.decodeBytes(t.length,t,0,3&e._format),Squeak.bytesAsString(t)):"Class"},renameFromImage:function(e,t,i){var i=this.sqClass<32?e[i[this.sqClass-1]]:e[this.sqClass];return(i=i&&(i.instProto||i.classInstProto(i.classNameFromImage(e,t))))?((e=new i).oop=this.oop,e.sqClass=this.sqClass,e._format=this._format,e.hash=this.hash,e):this},installFromImage:function(e,t,i,r,s,n){var a,o=this.sqClass,i=(this.sqClass=0<o&&o<32?e[i[o-1]]:e[o],t[this.oop]),o=i.length;this._format<5?0<o&&(this.pointers=this.decodePointers(o,a=i,e)):12<=this._format?(t=this.decodeWords(1,i,s)[0]>>10&255,a=this.decodeWords(1+t,i,s),this.pointers=this.decodePointers(1+t,a,e),this.bytes=this.decodeBytes(o-(1+t),i,1+t,3&this._format)):8<=this._format?0<o&&(this.bytes=this.decodeBytes(o,i,0,3&this._format)):this.sqClass==r?(this.isFloat=!0,this.float=this.decodeFloat(i,s,n)):0<o&&(this.words=this.decodeWords(o,i,s)),this.mark=!1},decodePointers:function(e,t,i){for(var r=new Array(e),s=0;s<e;s++){var n=t[s];r[s]=1==(1&n)?n>>1:i[n]||42424242}return r},decodeWords:function(e,t,i){for(var r=new DataView(t.buffer,t.byteOffset),s=new Uint32Array(e),n=0;n<e;n++)s[n]=r.getUint32(4*n,i);return s},decodeBytes:function(e,t,i,r){e=4*e-r,r=new Uint8Array(t.buffer,t.byteOffset+4*i,e),t=new Uint8Array(e);return t.set(r),t},decodeFloat:function(e,t,i){e=new DataView(e.buffer,e.byteOffset);return t?(i?e:(t=new ArrayBuffer(8),(i=new DataView(t)).setUint32(0,e.getUint32(4)),i.setUint32(4,e.getUint32(0)),i)).getFloat64(0,!0):e.getFloat64(0,!1)},fillArray:function(e,t){for(var i=[],r=0;r<e;r++)i[r]=t;return i}},"testing",{isWords:function(){return 6===this._format},isBytes:function(){var e=this._format;return 8<=e&&e<=11},isWordsOrBytes:function(){var e=this._format;return 6==e||8<=e&&e<=11},isPointers:function(){return this._format<=4},isWeak:function(){return 4===this._format},isMethod:function(){return 12<=this._format},sameFormats:function(e,t){return e<8?e===t:(12&e)==(12&t)},sameFormatAs:function(e){return this.sameFormats(this._format,e._format)}},"printing",{toString:function(){return this.sqInstName()},bytesAsString:function(){return this.bytes?Squeak.bytesAsString(this.bytes):""},bytesAsNumberString:function(e){if(!this.bytes)return"";for(var t="0123456789ABCDEF",i=[],r=0,s=this.bytes.length-1;0<=s;s--)i.push(t[this.bytes[s]>>4]),i.push(t[15&this.bytes[s]]),r=256*r+this.bytes[s];var e=e?"-":"",n=9007199254740991<r?"≈":"";return e+"16r"+i.join("")+" ("+n+e+r+"L)"},assnKeyAsString:function(){return this.pointers[Squeak.Assn_key].bytesAsString()},slotNameAt:function(e){var t=this.instSize();return e<=t?this.sqClass.allInstVarNames()[e-1]||"ivar"+(e-1):(e-t).toString()},sqInstName:function(){if(this.isNil)return"nil";if(this.isTrue)return"true";if(this.isFalse)return"false";if(this.isFloat)return e=this.float.toString(),/\./.test(e)||(e+=".0"),e;var e=this.sqClass.className();if(/ /.test(e))return"the 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4<e||2===e?0:e<2?this.pointersSize():this.sqClass.classInstSize()},indexableSize:function(e){var t=this._format;return t<2?-1:3===t&&e.vm.isContext(this)&&!e.allowAccessBeyondSP?this.pointers[Squeak.Context_stackPointer]:t<6?this.pointersSize()-this.instSize():t<8?this.wordsSize():t<12?this.bytesSize():this.bytesSize()+4*this.pointersSize()},floatData:function(){var e=new ArrayBuffer(8),e=new DataView(e);return e.setFloat64(0,this.float,!1),e},wordsAsFloat32Array:function(){return this.float32Array||this.words&&(this.float32Array=new Float32Array(this.words.buffer))},wordsAsFloat64Array:function(){return this.float64Array||this.words&&(this.float64Array=new Float64Array(this.words.buffer))},wordsAsInt32Array:function(){return this.int32Array||this.words&&(this.int32Array=new Int32Array(this.words.buffer))},wordsAsInt16Array:function(){return this.int16Array||this.words&&(this.int16Array=new Int16Array(this.words.buffer))},wordsAsUint16Array:function(){return this.uint16Array||this.words&&(this.uint16Array=new Uint16Array(this.words.buffer))},wordsAsUint8Array:function(){return this.uint8Array||this.words&&(this.uint8Array=new Uint8Array(this.words.buffer))},wordsOrBytes:function(){return this.words||this.uint32Array||(this.bytes?this.uint32Array=new Uint32Array(this.bytes.buffer,0,this.bytes.length>>>2):null)},setAddr:function(e){var t=this.snapshotSize();return this.oop=e+4*t.header,e+4*(t.header+t.body)},snapshotSize:function(){var e=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0;return this.bytes&&(e+=this.bytes.length+3>>>2),{header:63<++e?2:this.sqClass.isCompact?0:1,body:e}},addr:function(){return this.oop-4*this.snapshotSize().header},totalBytes:function(){var e=this.snapshotSize();return 4*(e.header+e.body)},writeTo:function(e,t,i){this.bytes&&(this._format|=3&-this.bytes.length);var r=t,s=this.snapshotSize(),n=(15&this._format)<<8|(4095&this.hash)<<17;switch(s.header){case 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e=this.pointers[Squeak.Class_format];return(e>>10&192)+(e>>1&63)-1},classInstIsBytes:function(){var e=this.classInstFormat();return 8<=e&&e<=11},classInstIsPointers:function(){return this.classInstFormat()<=4},instVarNames:function(){for(var e=3;e<=4;e++){var t=this.pointers[e].pointers;if(t&&t.length&&t[0].bytes)return t.map(function(e){return e.bytesAsString()})}return[]},allInstVarNames:function(){var e=this.superclass();return e.isNil?this.instVarNames():e.allInstVarNames().concat(this.instVarNames())},superclass:function(){return this.pointers[0]},className:function(){if(!this.pointers)return"_NOTACLASS_";for(var e=6;e<=7;e++)if((r=this.pointers[e])&&r.bytes)return r.bytesAsString();for(var t=5;t<=6;t++){var i=this.pointers[t];if(i&&i.pointers)for(var r,e=6;e<=7;e++)if((r=i.pointers[e])&&r.bytes)return r.bytesAsString()+" class"}return"_SOMECLASS_"},defaultInst:function(){return Squeak.Object},classInstProto:function(e){if(this.instProto)return this.instProto;var 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this.pointers[1+e]},methodAsString:function(){return"aCompiledMethod"}},"as context",{contextHome:function(){return this.contextIsBlock()?this.pointers[Squeak.BlockContext_home]:this},contextIsBlock:function(){return"number"==typeof this.pointers[Squeak.BlockContext_argumentCount]},contextMethod:function(){return this.contextHome().pointers[Squeak.Context_method]},contextSender:function(){return this.pointers[Squeak.Context_sender]},contextSizeWithStack:function(e){return e&&e.activeContext===this?e.sp+1:(e=this.pointers[Squeak.Context_stackPointer],Squeak.Context_tempFrameStart+("number"==typeof e?e:0))}}),Squeak.Object.subclass("Squeak.ObjectSpur","initialization",{initInstanceOf:function(e,t,i,r){this.sqClass=e,this.hash=i;var i=e.pointers[Squeak.Class_format],s=65535&i,i=i>>16&31;(this._format=i)<12?i<10?0<s+t&&(this.pointers=this.fillArray(s+t,r)):0<t&&(e.isFloatClass?(this.isFloat=!0,this.float=0):this.words=new Uint32Array(t)):0<t&&(this.bytes=new Uint8Array(t))},installFromImage:function(e,t,i,r,s,n,a){var o=this.sqClass;if(o<32)throw Error("Invalid class ID: "+o);if(this.sqClass=i[o],!this.sqClass)throw Error("Class ID not in class table: "+o);var u=t[this.oop],l=u.length;switch(this._format){case 0:case 1:case 2:case 3:case 4:case 5:0<l&&(this.pointers=this.decodePointers(l,f=u,e,n,a));break;case 11:l--,this._format=10;case 10:this.sqClass===r?(this.isFloat=!0,this.float=this.decodeFloat(u,s,!0)):0<l&&(this.words=this.decodeWords(l,u,s));break;case 12:case 13:throw Error("16 bit arrays not supported yet");case 20:case 21:case 22:case 23:l--,this._format-=4;case 16:case 17:case 18:case 19:0<l&&(this.bytes=this.decodeBytes(l,u,0,3&this._format));break;case 28:case 29:case 30:case 31:l--,this._format-=4;case 24:case 25:case 26:case 27:var c=this.decodeWords(1,u,s)[0]>>(a?3:1),h=32767&c,f=a?this.decodeWords64(1+h,u,s):this.decodeWords(1+h,u,s),p=a?2*(1+h):1+h;this.pointers=this.decodePointers(1+h,f,e,n,a),this.bytes=this.decodeBytes(l-p,u,p,3&this._format),a&&(this.pointers[0]=2147483648&u[1]|c);break;default:throw Error("Unknown object format: "+this._format)}this.mark=!1},decodeWords64:function(e,t,i){for(var r=new Array(e),s=0;s<e;s++){var n=t[2*s],a=t[2*s+1];r[s]=Squeak.word64FromUint32(a,n)}return r},decodePointers:function(e,t,i,r,s){for(var n=new Array(e),a=0;a<e;a++){var o=t[a];if("number"!=typeof o)if(4==(7&o[1]))n[a]=this.decodeSmallFloat(o[0],o[1],s);else{if(1!=(7&o[1]))throw 2==(7&o[1])?Error("Large Immediate Characters not implemented yet"):Error("Large OOPs not implemented yet");n[a]=s.makeLargeFromSmall(o[0],o[1])}else if(1==(1&o))n[a]=s?(0<=o?o<=8589934591:-8589934592<=o)?o/4>>1:s.makeLargeFromSmall((o-(o>>>0))/4294967296>>>0,o>>>0):o>>1;else if(2==(3&o)){if(o<0||8589934591<o)throw Error("Large Immediate Characters not implemented yet");n[a]=r(o>>>(s?3:2))}else s&&4==(7&o)?n[a]=this.decodeSmallFloat((o-(o>>>0))/4294967296>>>0,o>>>0,s):(n[a]=i[o]||42424242,n[a])}return n},decodeSmallFloat:function(e,t,i){var r=0,s=0,n=(8&t)<<28;return 0==(e|4294967280&t)?r=n:(r=939524096+(e>>>4)|n,s=t>>>4|(15&e)<<28),i.makeFloat(new Uint32Array([s,r]))},overhead64:function(e){var t,i=0,r=0,s=0;return this._format<=5?i=-2&e.length:24<=this._format?(i=1+(e[0]>>3&32767),t=28<=this._format,1==(1&i)&&(i+=t?1:-1),s=e.length/2,r=e.length-i):s=(r=e.length)/2,{bytes:4*i,sizeHeader:255<=r&&s<255}},initInstanceOfChar:function(e,t){this.oop=t<<2|2,this.sqClass=e,this.hash=t,this._format=7,this.mark=!0},initInstanceOfFloat:function(e,t){this.sqClass=e,this.hash=0,this._format=10,this.isFloat=!0,this.float=this.decodeFloat(t,!0,!0)},initInstanceOfLargeInt:function(e,t){this.sqClass=e,this.hash=0,this._format=16,this.bytes=new Uint8Array(t)},classNameFromImage:function(e,t){e=e[t[this.oop][Squeak.Class_name]];return e&&16<=e._format&&e._format<24?(t=t[e.oop],t=e.decodeBytes(t.length,t,0,7&e._format),Squeak.bytesAsString(t)):"Class"},renameFromImage:function(e,t,i){var i=i[this.sqClass];return(i=i&&(i.instProto||i.classInstProto(i.classNameFromImage(e,t))))?((e=new i).oop=this.oop,e.sqClass=this.sqClass,e._format=this._format,e.hash=this.hash,e):this}},"accessing",{instSize:function(){return this._format<2?this.pointersSize():this.sqClass.classInstSize()},indexableSize:function(e){var t=this._format;return t<2?-1:3===t&&e.vm.isContext(this)?this.pointers[Squeak.Context_stackPointer]:t<6?this.pointersSize()-this.instSize():t<12?this.wordsSize():t<16?this.shortsSize():t<24?this.bytesSize():4*this.pointersSize()+this.bytesSize()},snapshotSize:function(){var e=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0;return this.bytes&&(e+=this.bytes.length+3>>>2),{header:255<=e?2:0,body:e=(e=e+(1&e)+2)<4?4:e}},writeTo:function(e,t,i,r){var s=this.isFloat?2:this.words?this.words.length:this.pointers?this.pointers.length:0,n=(this.bytes&&(s+=this.bytes.length+3>>>2,this._format|=3&-this.bytes.length),t),a=this._format<<24|4194303&this.sqClass.hash,o=s<<24|4194303&this.hash;if(255<=s&&(e.setUint32(t,s,i),o=255<<24|4194303&this.hash,e.setUint32(t+=4,o,i),t+=4),e.setUint32(t,a,i),e.setUint32(t+=4,o,i),t+=4,this.isFloat)e.setFloat64(t,this.float,i),t+=8;else if(this.words)for(var u=0;u<this.words.length;u++)e.setUint32(t,this.words[u],i),t+=4;else if(this.pointers){a=0;24<=this._format&&(o=this.methodSignFlag()?2147483648:0,o=this.pointers[0]<<1|1|o,e.setUint32(t,o,i),t+=4,a=1);for(u=a;u<this.pointers.length;u++)e.setUint32(t,r(this.pointers[u]),i),t+=4}if(this.bytes){for(u=0;u<this.bytes.length;u++)e.setUint8(t++,this.bytes[u]);t+=3&-this.bytes.length}if((t+=0===s?8:4*(1&s))!==n+this.totalBytes())throw Error("written size does not match");return t}},"testing",{isBytes:function(){var e=this._format;return 16<=e&&e<=23},isPointers:function(){return this._format<=6},isWords:function(){return 10===this._format},isWordsOrBytes:function(){var e=this._format;return 10===e||16<=e&&e<=23},isWeak:function(){return 4===this._format},isMethod:function(){return 24<=this._format},sameFormats:function(e,t){return e<16?e===t:(248&e)==(248&t)}},"as class",{defaultInst:function(){return Squeak.ObjectSpur},classInstFormat:function(){return this.pointers[Squeak.Class_format]>>16&31},classInstSize:function(){return 65535&this.pointers[Squeak.Class_format]},classInstIsBytes:function(){var e=this.classInstFormat();return 16<=e&&e<=23},classInstIsPointers:function(){return this.classInstFormat()<=6},classByteSizeOfInstance:function(e){var t=this.classInstFormat(),i=this.classInstSize();return 4*(i=(i=(i=(i+=t<9?e:16<=t?(e+3)/4|0:12<=t?(e+1)/2|0:10<=t?e:2*e)+(1&i))+(255<=i?4:2))<4?4:i)}},"as compiled block",{blockOuterCode:function(){return this.pointers[this.pointers.length-1]}},"as method",{methodSignFlag:function(){return this.pointers[0]<0},methodNumLits:function(){return 32767&this.pointers[0]},methodPrimitiveIndex:function(){return 0==(65536&this.pointers[0])?0:this.bytes[1]+256*this.bytes[2]},methodAsString:function(){var e=this.pointers[this.pointers.length-1].pointers[Squeak.ClassBinding_value],t=this.pointers[this.pointers.length-2];return t.pointers&&(t=t.pointers[Squeak.AdditionalMethodState_selector]),e.className()+">>"+t.bytesAsString()}}),Object.subclass("Squeak.Image","about",{about:function(){}},"initializing",{initialize:function(e){this.headRoom=1e8,this.totalMemory=0,this.name=e,this.gcCount=0,this.gcMilliseconds=0,this.pgcCount=0,this.pgcMilliseconds=0,this.gcTenured=0,this.allocationCount=0,this.oldSpaceCount=0,this.youngSpaceCount=0,this.newSpaceCount=0,this.hasNewInstances={}},readFromBuffer:function(r,t,i){console.log("squeak: reading "+this.name+" ("+r.byteLength+" bytes)"),this.startupTime=Date.now();for(var s=new DataView(r),n=!1,a=0,e=function(){var e=s.getUint32(a,n);return a+=4,e},o=e,u=4,N=function(e,t){if(t){for(var i=[];i.length<e;)i.push(o());return i}return t=new Uint32Array(r,a,e*u/4),a+=e*u,t},T=[6501,6502,6504,68e3,68002,68004],l=0,c=0;n=!n,a=c,l=o(),!(0<=T.indexOf(72174&l));)if(n||(c+=512),512<c)throw Error("bad image version");var E=0!=(1&(this.version=l)),h=(this.hasClosures=!(0<=[6501,6502,68e3].indexOf(l)),this.isSpur=0!=(16&l),68e3<=l);if(h&&!this.isSpur)throw Error("64 bit non-spur images not supported yet");h&&(o=function(){var e=s.getUint32(a,!0),t=s.getUint32(a+4,!0);return a+=8,Squeak.word64FromUint32(t,e)},u=8);var L=e(),R=o(),f=o(),D=o();this.savedHeaderWords=[];for(var W=0;W<7;W++)this.savedHeaderWords.push(e()),h&&W<3&&e();var p,z=o(),d={},m={},v=c+L,a=v;if(this.isSpur){this.oldSpaceBytes=z-16;for(var g=a+z,U=0,k=null,b=0,K={};a<g;){for(;a<g-16;){var H=a,y=e(),S=e(),F=S>>>24,O=(255===F&&(F=y,y=e(),S=e()),U+a-8-v),I=4194303&y,G=4194303&S,w=N(F,(x=y>>>24&31)<10&&0<I);a+=h?8*(F<1?1-F:0):4*(F<2?2-F:1&F),32<=I?((V=new Squeak.ObjectSpur).initFromImage(O,I,x,G),p&&(p.nextObject=V),this.oldSpaceCount++,p=V,d[f+O]=V,m[O]=w,K[O]=b,h&&(b+=(S=V.overhead64(w)).bytes,S.sizeHeader)&&(K[O]-=8,b-=8)):(b+=a-H,16==I&&(k=k||w),I&&(d[f+O]=w))}if(a!==g-16)throw Error("invalid segment");var X=e(),A=e(),Z=e();e();0!==Z&&(g+=Z,U+=A=4278190080&A?4*(16777215&X):0,b+=16+A,this.oldSpaceBytes+=A+Z)}this.oldSpaceBytes-=b,this.firstOldObject=d[f],this.lastOldObject=V,this.lastOldObject.nextObject=null}else{for(;a<v+R;){var C=0,P=0,_=o();switch(_&Squeak.HeaderTypeMask){case Squeak.HeaderTypeSizeAndClass:C=_>>>2,P=o(),_=o();break;case Squeak.HeaderTypeClass:P=_-Squeak.HeaderTypeClass,C=(_=o())>>>2&63;break;case Squeak.HeaderTypeShort:C=_>>>2&63,P=_>>>12&31;break;case Squeak.HeaderTypeFree:throw Error("Unexpected free block")}var x,V,O=a-4-v,G=_>>>17&4095,w=N(--C,(x=_>>>8&15)<5);(V=new Squeak.Object).initFromImage(O,P,x,G),P<32&&(V.hash|=268435456),p&&(p.nextObject=V),this.oldSpaceCount++,p=V,d[f+O]=V,m[O]=w}this.firstOldObject=d[f+4],this.lastOldObject=V,this.lastOldObject.nextObject=null,this.oldSpaceBytes=R}this.totalMemory=this.oldSpaceBytes+this.headRoom,this.totalMemory=1e6*Math.ceil(this.totalMemory/1e6);var L=d[D],J=this.isSpur?this.spurClassTable(d,m,k,L):m[d[m[L.oop][Squeak.splOb_CompactClasses]].oop],j=null;for(V=this.firstOldObject,p=null;V;)p=j,j=V.renameFromImage(d,m,J),p?p.nextObject=j:this.firstOldObject=j,d[f+V.oop]=j,V=V.nextObject;this.lastOldObject=j,this.lastOldObject.nextObject=null;var q=d[D],Y=m[d[m[q.oop][Squeak.splOb_CompactClasses]].oop],Q=d[m[q.oop][Squeak.splOb_ClassFloat]],B=(this.isSpur&&(this.initImmediateClasses(d,m,q),Y=this.spurClassTable(d,m,k,q),E=this.getCharacter.bind(this),this.initSpurOverrides()),this.firstOldObject),M=0,$=function(){if(B){for(var e=M+(this.oldSpaceCount/20|0);B&&M<e;)B.installFromImage(d,m,Y,Q,n,E,h&&{makeFloat:function(e){return this.instantiateFloat(e)}.bind(this),makeLargeFromSmall:function(e,t){return this.instantiateLargeFromSmall(e,t)}.bind(this)}),B=B.nextObject,M++;return i&&i(M/this.oldSpaceCount),!0}return this.specialObjectsArray=q,this.decorateKnownObjects(),this.isSpur?(this.fixSkippedOops(K),h&&this.fixPCs(),this.ensureFullBlockClosureClass(this.specialObjectsArray,Y)):(this.fixCompiledMethods(),this.fixCompactOops()),!1}.bind(this);if(i)self.setTimeout(function e(){$()?self.setTimeout(e,0):t&&t()},0);else{for(;$(););t&&t()}},decorateKnownObjects:function(){var e=this.specialObjectsArray.pointers;if(e[Squeak.splOb_NilObject].isNil=!0,e[Squeak.splOb_TrueObject].isTrue=!0,e[Squeak.splOb_FalseObject].isFalse=!0,e[Squeak.splOb_ClassFloat].isFloatClass=!0,!this.isSpur){this.compactClasses=this.specialObjectsArray.pointers[Squeak.splOb_CompactClasses].pointers;for(var t=0;t<this.compactClasses.length;t++)this.compactClasses[t].isNil||(this.compactClasses[t].isCompact=!0)}Number.prototype.sqInstName||Object.defineProperty(Number.prototype,"sqInstName",{enumerable:!1,value:function(){return this.toString()}})},fixCompactOops:function(){if(!this.isSpur){for(var e=this.firstOldObject,t=0;e;){var i=268435455<e.hash;i!=!!e.sqClass.isCompact&&i!=(i=0===e.snapshotSize().header)&&(t+=i?-4:4),e.hash&=268435455,e.oop+=t,e=e.nextObject}this.oldSpaceBytes+=t}},fixCompiledMethods:function(){if(!(6502<=this.version))for(var e=this.firstOldObject,t=this.specialObjectsArray.pointers[Squeak.splOb_ClassCompiledMethod];e;)e.isMethod()&&(e.sqClass=t),e=e.nextObject},fixSkippedOops:function(e){for(var t=this.firstOldObject;t;)t.oop-=e[t.oop],t=t.nextObject;if((t=this.lastOldObject).addr()+t.totalBytes()!==this.oldSpaceBytes)throw Error("image size doesn't match object sizes")},fixPCs:function(){for(var e=this.specialObjectsArray.pointers[Squeak.splOb_ClassMethodContext],t=Squeak.Context_instructionPointer,i=Squeak.Context_method,r=this.specialObjectsArray.pointers[Squeak.splOb_ClassBlockClosure],s=Squeak.Closure_startpc,n=Squeak.Closure_outerContext,a=this.firstOldObject;a;)a.sqClass===e?a.pointers[t]-=4*a.pointers[i].pointers.length:a.sqClass===r&&(a.pointers[s]-=4*a.pointers[n].pointers[i].pointers.length),a=a.nextObject},ensureFullBlockClosureClass:function(e,t){e.pointers[Squeak.splOb_ClassFullBlockClosure].isNil&&t[38]&&(e.pointers[Squeak.splOb_ClassFullBlockClosure]=t[38])}},"garbage collection - full",{fullGC:function(e){this.vm.addMessage("fullGC: "+e);var t=Date.now(),i=this.newSpaceCount,r=this.youngSpaceCount,s=this.oldSpaceCount,n=this.markReachableObjects(),s=(this.removeUnmarkedOldObjects(),this.appendToOldObjects(n),this.finalizeWeakReferences(),this.allocationCount+=this.newSpaceCount,this.newSpaceCount=0,this.youngSpaceCount=0,this.hasNewInstances={},this.gcCount++,this.gcMilliseconds+=Date.now()-t,s-this.oldSpaceCount);return console.log("Full GC ("+e+"): "+(Date.now()-t)+" ms, surviving objects: "+this.oldSpaceCount+" ("+this.oldSpaceBytes+" bytes), tenured "+n.length+" (total "+(0<s?"+":"")+s+"), gc'ed "+r+" young and "+(i-r)+" new objects"),0<n.length?n[0]:null},gcRoots:function(){return this.vm.storeContextRegisters(),[this.specialObjectsArray,this.vm.activeContext]},markReachableObjects:function(){var e=this.gcRoots(),t=[];for(this.weakObjects=[];0<e.length;){var i=e.pop();if(!i.mark){i.oop<0&&t.push(i),i.mark=!0,i.sqClass.mark||e.push(i.sqClass);var r=i.pointers;if(r){var s=r.length;if(i.isWeak()&&(s=i.sqClass.classInstSize(),this.weakObjects.push(i)),this.vm.isContext(i))for(var n=s=i.contextSizeWithStack();n<r.length;n++)r[n]=this.vm.nilObj;for(n=0;n<s;n++)"object"!=typeof r[n]||r[n].mark||e.push(r[n])}}}return this.isSpur?t:t.sort(function(e,t){return t.oop-e.oop})},removeUnmarkedOldObjects:function(){var e=0,t=0,i=this.firstOldObject;for(i.mark=!1;;){var r=i.nextObject;if(!r)return this.lastOldObject=i,this.lastOldObject.nextObject=null,this.oldSpaceBytes-=t,void(this.oldSpaceCount-=e);r.dirty&&(r.dirty=!1),r.mark?((i=r).mark=!1,i.oop-=t):(i.nextObject=(r=r).nextObject,r.oop=-++this.newSpaceCount,t+=r.totalBytes(),e++)}},appendToOldObjects:function(e){for(var t=this.lastOldObject,i=0;i<e.length;i++){var r=e[i];r.mark=!1,this.oldSpaceBytes=r.setAddr(this.oldSpaceBytes),t.nextObject=r,t=r}t.nextObject=null,this.lastOldObject=t,this.lastOldObject.nextObject=null,this.oldSpaceCount+=e.length,this.gcTenured+=e.length,this.vm.signalLowSpaceIfNecessary(this.bytesLeft())},tenureIfYoung:function(e){e.oop<0&&this.appendToOldObjects([e])},finalizeWeakReferences:function(){var e=this.weakObjects;this.weakObjects=null;for(var t=0;t<e.length;t++){for(var i,r=e[t],s=r.pointers,n=r.sqClass.classInstSize(),a=!1,o=n;o<s.length;o++)s[o].oop<0&&(s[o]=this.vm.nilObj,a=!0);a&&(this.vm.pendingFinalizationSignals++,2<=n)&&(n=r.pointers[Squeak.WeakFinalizerItem_list]).sqClass==this.vm.specialObjects[Squeak.splOb_ClassWeakFinalizer]&&(i=n.pointers[Squeak.WeakFinalizationList_first],r.pointers[Squeak.WeakFinalizerItem_next]=i,n.pointers[Squeak.WeakFinalizationList_first]=r)}0<this.vm.pendingFinalizationSignals&&this.vm.forceInterruptCheck()}},"garbage collection - partial",{partialGC:function(e){this.vm.addMessage("partialGC: "+e);var t=Date.now(),i=this.newSpaceCount,r=this.findYoungObjects();return this.appendToYoungSpace(r),this.finalizeWeakReferences(),this.cleanupYoungSpace(r),this.allocationCount+=this.newSpaceCount-r.length,this.youngSpaceCount=r.length,this.newSpaceCount=this.youngSpaceCount,this.pgcCount++,this.pgcMilliseconds+=Date.now()-t,console.log("Partial GC ("+e+"): "+(Date.now()-t)+" ms, found "+this.youngRootsCount+" roots in "+this.oldSpaceCount+" old, kept "+this.youngSpaceCount+" young ("+(i-this.youngSpaceCount)+" gc'ed)"),r[0]},youngRoots:function(){for(var e=this.gcRoots().filter(function(e){return e.oop<0}),t=this.firstOldObject;t;){if(t.dirty){for(var i=t.pointers,r=!1,s=0;s<i.length;s++){var n=i[s];"object"==typeof n&&n.oop<0&&(e.push(n),r=!0)}t.dirty=r}t=t.nextObject}return e},findYoungObjects:function(){var e=this.youngRoots(),t=[];for(this.youngRootsCount=e.length,this.weakObjects=[];0<e.length;){var i=e.pop();if(!i.mark){t.push(i),i.mark=!0,i.sqClass.oop<0&&e.push(i.sqClass);var r=i.pointers;if(r){var s=r.length;if(i.isWeak()&&(s=i.sqClass.classInstSize(),this.weakObjects.push(i)),this.vm.isContext(i))for(var n=s=i.contextSizeWithStack();n<r.length;n++)r[n]=this.vm.nilObj;for(n=0;n<s;n++){var a=r[n];"object"==typeof a&&a.oop<0&&e.push(a)}}}}return this.isSpur?t:t.sort(function(e,t){return t.oop-e.oop})},appendToYoungSpace:function(e){for(var t=this.lastOldObject.oop+1,i=0;i<e.length;i++){var r=e[i];this.hasNewInstances[r.oop]&&(delete this.hasNewInstances[r.oop],this.hasNewInstances[t]=!0),r.oop=t,r.nextObject=e[i+1],t++}},cleanupYoungSpace:function(e){for(var t=e[0],i=-1;t;)this.hasNewInstances[t.oop]&&(delete this.hasNewInstances[t.oop],this.hasNewInstances[i]=!0),t.oop=i,t.mark=!1,t=t.nextObject,i--}},"creating",{registerObject:function(e){return e.oop=-++this.newSpaceCount,this.lastHash=13849+27181*this.lastHash&4294967295,4095&this.lastHash},registerObjectSpur:function(e){return e.oop=-++this.newSpaceCount,0},instantiateClass:function(e,t,i){var r=new(e.classInstProto()),s=this.registerObject(r);return r.initInstanceOf(e,t,s,i),this.hasNewInstances[e.oop]=!0,r},clone:function(e){var t=new(e.sqClass.classInstProto()),i=this.registerObject(t);return t.initAsClone(e,i),this.hasNewInstances[t.sqClass.oop]=!0,t}},"operations",{bulkBecome:function(e,t,i,r){if(!e)return!t;var s=e.length;if(s!==t.length)return!1;for(var n=null,a=(0<this.newSpaceCount?n=this.partialGC("become"):this.vm.storeContextRegisters(),{}),o=0;o<s;o++){if(!(l=e[o]).sqClass)return!1;if(a[l.oop])return!1;a[l.oop]=t[o]}if(i)for(o=0;o<s;o++){if(!(l=t[o]).sqClass)return!1;if(a[l.oop])return!1;a[l.oop]=e[o]}if(r)for(o=0;o<s;o++){if(!t[o].sqClass)return!1;var u=e[o].hash;e[o].hash=t[o].hash,t[o].hash=u,this.isSpur&&this.classTable[u]===e[o]&&(this.classTable[u]=t[o])}this.lastOldObject.nextObject=n;for(var l=this.firstOldObject;l;){var c=a[l.sqClass.oop],h=(c&&(l.sqClass=c).oop<0&&(l.dirty=!0),l.pointers);if(h)for(var f=0;f<h.length;f++)(c=a[h[f].oop])&&(h[f]=c).oop<0&&(l.dirty=!0);l=l.nextObject}return this.lastOldObject.nextObject=null,this.vm.flushMethodCacheAfterBecome(a),!0},objectAfter:function(e){return e.nextObject||this.nextObjectWithGC("nextObject",e)},someInstanceOf:function(e){for(var t=this.firstOldObject;t;){if(t.sqClass===e)return t;t=t.nextObject||this.nextObjectWithGCFor(t,e)}return null},nextInstanceAfter:function(e){for(var t=e.sqClass;;){if(!(e=e.nextObject||this.nextObjectWithGCFor(e,t)))return null;if(e.sqClass===t)return e}},nextObjectWithGC:function(e,t){var i=0<t.oop?0:this.youngSpaceCount;return this.newSpaceCount<=i?null:(t.oop<0&&this.fullGC(e),this.partialGC(e))},nextObjectWithGCFor:function(e,t){return this.hasNewInstances[t.oop]?this.nextObjectWithGC("instance of "+t.className(),e):null},allInstancesOf:function(e){for(var t=this.firstOldObject,i=[];t;)t.sqClass===e&&i.push(t),t=t.nextObject||this.nextObjectWithGCFor(t,e);return i},writeToBuffer:function(){function e(e){t.setUint32(i,e),i+=4}var t=new DataView(new ArrayBuffer(64+this.oldSpaceBytes)),i=0;for(e(this.formatVersion()),e(64),e(this.oldSpaceBytes),e(this.firstOldObject.addr()),e(this.objectToOop(this.specialObjectsArray)),e(this.lastHash),e(52429400);i<64;)e(0);for(var r=this.firstOldObject,s=0;r;)i=r.writeTo(t,i,this),r=r.nextObject,s++;if(i!==t.byteLength)throw Error("wrong image size");if(s!==this.oldSpaceCount)throw Error("wrong object count");return t.buffer},objectToOop:function(e){if("number"==typeof e)return e<<1|1;if(e.oop<0)throw Error("temporary oop");return e.oop},bytesLeft:function(){return this.totalMemory-this.oldSpaceBytes},formatVersion:function(){return this.isSpur?6521:this.hasClosures?6504:6502},segmentVersion:function(){var e=this.isSpur?"seod":"does";return this.formatVersion()|e.charCodeAt(0)<<24},storeImageSegment:function(e,t,i){var r=new DataView(e.words.buffer),s=0,n=t.pointers,a=0;r.setUint32(s,this.segmentVersion()),s+=4,this.fullGC("storeImageSegment"),i.mark=!0;for(var o=0;o<i.pointers.length;o++)"object"==typeof i.pointers[o]&&(i.pointers[o].mark=!0);this.markReachableObjects(),i.mark=!1;for(o=0;o<i.pointers.length;o++)"object"==typeof i.pointers[o]&&(i.pointers[o].mark=!1);var u={},l=[];function c(e){var t=u[e.oop];if(!t){if(e.mark){if(a>=n.length)return 0;t=2147483652+4*a,n[a++]=e}else{if(s+e.totalBytes()>r.byteLength)return 0;t=s+4*(e.snapshotSize().header+1),s=e.writeTo(r,s,this),l.push(e)}u[e.oop]=t}return t}function h(){for(var e=this.firstOldObject;e;)e.mark=!1,e=e.nextObject;return this.weakObjects=null,!1}for(c=c.bind(this),h=h.bind(this),c(i);0<l.length;){var f=l.shift(),p=u[f.oop],d=f.snapshotSize().header,m=f.pointers;if(0<d){var v=c(f.sqClass);if(!v)return h();d=1===d?Squeak.HeaderTypeClass:Squeak.HeaderTypeSizeAndClass;r.setUint32(p-8,v|d)}if(m)for(o=0;o<m.length;o++){var g=m[o];if("object"==typeof g){g=c(g);if(!g)return h();r.setUint32(p+4*o,g)}}}for(var f=e.oop<t.oop?e:t,k=0;f;)f.oop-=k,f===e?(k+=4*f.words.length-s,f.words=new Uint32Array(f.words.buffer.slice(0,s))):f===t&&(k+=4*(f.pointers.length-a),f.pointers.length=a),f=f.nextObject;return this.oldSpaceBytes-=k,h(),!0},loadImageSegment:function(e,t){if(1===e.words.length)return e.nextObject;var r=new DataView(e.words.buffer),i=!1,s=0,n=function(){var e=r.getUint32(s,i);return s+=4,e},a=n();if(!0&a&&(i=!0,!(s=0)&n()))return console.error("image segment format not supported"),null;this.tenureIfYoung(e);for(var o=e,u=o.nextObject,l=e.oop,c={},h={};s<r.byteLength;){var f=0,p=0,d=n();switch(d&Squeak.HeaderTypeMask){case Squeak.HeaderTypeSizeAndClass:f=d>>>2,p=n(),d=n();break;case Squeak.HeaderTypeClass:p=d-Squeak.HeaderTypeClass,f=(d=n())>>>2&63;break;case Squeak.HeaderTypeShort:f=d>>>2&63,p=d>>>12&31;break;case Squeak.HeaderTypeFree:throw Error("Unexpected free block")}var m=s,v=d>>>8&15,g=d>>>17&4095,k=function(e,t){if(t<5){for(var i=[];i.length<e;)i.push(n());return i}return t=new Uint32Array(r.buffer,s,e),s+=4*e,t}(--f,v),b=new Squeak.Object;b.initFromImage(m+l,p,v,g),o.nextObject=b,this.oldSpaceCount++,c[m]=o=b,h[m+l]=k}b.nextObject=u;for(var y=0;y<t.pointers.length;y++)c[2147483652+4*y]=t.pointers[y];for(var a=this.specialObjectsArray.pointers[Squeak.splOb_CompactClasses].pointers,S=0,F=a.map(function(e){return c[--S]=e,S}),a=(e.words=new Uint32Array([e.words[0]]),delete e.uint8Array,e.nextObject),O=this.specialObjectsArray.pointers[Squeak.splOb_ClassFloat],I=a;I.installFromImage(c,h,F,O,i,!1),(I=I.nextObject)!==u;);return a}},"spur support",{initSpurOverrides:function(){this.registerObject=this.registerObjectSpur,this.writeToBuffer=this.writeToBufferSpur,this.storeImageSegment=this.storeImageSegmentSpur,this.loadImageSegment=this.loadImageSegmentSpur},spurClassTable:function(e,t,i,r){for(var s,n,a={},o=this.firstOldObject,u=0;u<4096;u++){var l=e[i[u]];if(1024===(l=l.oop?t[l.oop]:l).length)for(var c=0;c<1024;c++){var h,f=e[l[c]];if(!f)throw Error("Invalid class table entry (oop "+l[c]+")");f!==o&&(a[h=1024*u+c]=f)}}for(s in Squeak)/^splOb_Class/.test(s)&&(n=e[t[r.oop][Squeak[s]]])!==o&&0<(h=n.hash)&&h<1024&&(a[h]=n);return a[3]=a[1],this.classTable=a,this.classTableIndex=1024,a},enterIntoClassTable:function(e){for(var t=this.classTableIndex,i=this.classTable;t<=4194303;){if(!i[t])return(i[t]=e).hash=t,this.classTableIndex=t;t++}return console.error("class table full?"),null},initImmediateClasses:function(e,t,i){t=t[i.oop];this.characterClass=e[t[Squeak.splOb_ClassCharacter]],this.floatClass=e[t[Squeak.splOb_ClassFloat]],this.largePosIntClass=e[t[Squeak.splOb_ClassLargePositiveInteger]],this.largeNegIntClass=e[t[Squeak.splOb_ClassLargeNegativeInteger]],this.characterClass.classInstProto("Character"),this.floatClass.classInstProto("BoxedFloat64"),this.largePosIntClass.classInstProto("LargePositiveInteger"),this.largeNegIntClass.classInstProto("LargeNegativeInteger"),this.characterTable={}},getCharacter:function(e){var t=this.characterTable[e];return t||((t=new this.characterClass.instProto).initInstanceOfChar(this.characterClass,e),this.characterTable[e]=t),t},instantiateFloat:function(e){var t=new this.floatClass.instProto;return this.registerObjectSpur(t),this.hasNewInstances[this.floatClass.oop]=!0,t.initInstanceOfFloat(this.floatClass,e),t},instantiateLargeFromSmall:function(e,t){t=e<<29|t>>>3;for(var i=(e>>=3)<0,r=(i&&(e=-e,0!==(t=-t))&&e--,0===e?4:e<=255?5:e<=65535?6:e<=16777215?7:8),i=i?this.largeNegIntClass:this.largePosIntClass,s=new i.instProto,n=(this.registerObjectSpur(s),this.hasNewInstances[i.oop]=!0,s.initInstanceOfLargeInt(i,r),s.bytes),a=0;a<4;a++)n[a]=255&t,t>>=8;for(a=4;a<r;a++)n[a]=255&e,e>>=8;return s},ensureClassesInTable:function(){for(var e=this.firstOldObject,t=1024;e;){var i=e.sqClass;if(0===i.hash&&this.enterIntoClassTable(i),i.hash>t&&(t=i.hash),this.classTable[i.hash]!==i)throw Error("Class not in class table");e=e.nextObject}return 1+(t>>10)},classTableBytes:function(e){return 4*(4108+1028*e)},writeFreeLists:function(e,t,i,r){return e.setUint32(t,167772178,i),e.setUint32(t+=4,536870912,i),t=t+4+128},writeClassTable:function(e,t,i,r,s){e.setUint32(t,4104,i),e.setUint32(t+=4,4278190080,i),e.setUint32(t+=4,33554448,i),e.setUint32(t+=4,4278190080,i),t+=4;for(var n=0;n<s;n++)e.setUint32(t,16624+4112*n,i),t+=4;t+=4*(4104-s);for(var a=0,n=0;n<s;n++){e.setUint32(t,1024,i),t+=4,e.setUint32(t,4278190080,i),t+=4,e.setUint32(t,33554448,i),t+=4,e.setUint32(t,4278190080,i),t+=4;for(var o=0;o<1024;o++){var u=this.classTable[a];if(u&&u.pointers){if(!u.hash)throw Error("class without id");(u.hash!==a&&32<=a||u.oop<0)&&(console.warn("freeing class index "+a+" "+u.className()),u=null,delete this.classTable[a])}u&&e.setUint32(t,r(u),i),t+=4,a++}}return t},writeToBufferSpur:function(){var e=this.ensureClassesInTable(),t=136+this.classTableBytes(e),i=new DataView(new ArrayBuffer(64+t+this.oldSpaceBytes+16)),r=!0,s=Date.now(),n=0;function a(e){i.setUint32(n,e,r),n+=4}function o(e){if("number"==typeof e)return e<<1|1;if(7===e._format){if(e.hash!==e.oop>>2||2!=(3&e.oop))throw Error("Bad immediate char");return e.oop}if(e.oop<0)throw Error("temporary oop");return e.oop<48?e.oop:e.oop+t}for(a(this.formatVersion()),a(64),a(t+this.oldSpaceBytes+16),a(this.firstOldObject.addr()),a(o(this.specialObjectsArray)),this.savedHeaderWords.forEach(a),a(t+this.oldSpaceBytes+16);n<64;)a(0);var u=0,n=(l=this.firstOldObject).writeTo(i,n,r,o),l=l.nextObject;for(u++,n=l.writeTo(i,n,r,o),l=l.nextObject,u++,n=l.writeTo(i,n,r,o),l=l.nextObject,u++,n=this.writeFreeLists(i,n,r,o),n=this.writeClassTable(i,n,r,o,e);l;)n=l.writeTo(i,n,r,o),l=l.nextObject,u++;if(a(1241513987),a(8388608),a(0),a(0),n!==i.byteLength)throw Error("wrong image size");if(u!==this.oldSpaceCount)throw Error("wrong object count");e=Date.now()-s;return console.log("Wrote "+u+" objects in "+e+" ms, image size "+n+" bytes"),i.buffer},storeImageSegmentSpur:function(e,t,i){return this.vm.warnOnce("not implemented for Spur yet: primitive 98 (primitiveStoreImageSegment)"),!1},loadImageSegmentSpur:function(e,t){return this.vm.warnOnce("not implemented for Spur yet: primitive 99 (primitiveLoadImageSegment)"),null}}),Object.subclass("Squeak.Interpreter","initialization",{initialize:function(e,t){console.log("squeak: initializing interpreter "+Squeak.vmVersion+" ("+Squeak.vmDate+")"),this.Squeak=Squeak,this.image=e,(this.image.vm=this).primHandler=new Squeak.Primitives(this,t),this.loadImageState(),this.hackImage(),this.initVMState(),this.loadInitialContext(),this.initCompiler(),console.log("squeak: ready")},loadImageState:function(){this.specialObjects=this.image.specialObjectsArray.pointers,this.specialSelectors=this.specialObjects[Squeak.splOb_SpecialSelectors].pointers,this.nilObj=this.specialObjects[Squeak.splOb_NilObject],this.falseObj=this.specialObjects[Squeak.splOb_FalseObject],this.trueObj=this.specialObjects[Squeak.splOb_TrueObject],this.hasClosures=this.image.hasClosures,this.getGlobals=this.globalsGetter(),this.hasClosures||this.findMethod("UnixFileDirectory class>>pathNameDelimiter")||(this.primHandler.emulateMac=!0),6501==this.image.version&&(this.primHandler.reverseDisplay=!0)},initVMState:function(){this.byteCodeCount=0,this.sendCount=0,this.interruptCheckCounter=0,this.interruptCheckCounterFeedBackReset=1e3,this.interruptChecksEveryNms=3,this.lowSpaceThreshold=1e6,this.signalLowSpace=!1,this.nextPollTick=0,this.nextWakeupTick=0,this.lastTick=0,this.interruptKeycode=2094,this.interruptPending=!1,this.pendingFinalizationSignals=0,this.freeContexts=this.nilObj,this.freeLargeContexts=this.nilObj,this.reclaimableContextCount=0,this.nRecycledContexts=0,this.nAllocatedContexts=0,this.methodCacheSize=1024,this.methodCacheMask=this.methodCacheSize-1,this.methodCacheRandomish=0,this.methodCache=[];for(var e=0;e<this.methodCacheSize;e++)this.methodCache[e]={lkupClass:null,selector:null,method:null,primIndex:0,argCount:0,mClass:null};this.breakOutOfInterpreter=!1,this.breakOutTick=0,this.breakOnMethod=null,this.breakOnNewMethod=!1,this.breakOnMessageNotUnderstood=!1,this.breakOnContextChanged=!1,this.breakOnContextReturned=null,this.messages={},this.startupTime=Date.now()},loadInitialContext:function(){var e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value].pointers[Squeak.ProcSched_activeProcess];this.activeContext=e.pointers[Squeak.Proc_suspendedContext],this.activeContext.dirty=!0,this.fetchContextRegisters(this.activeContext),this.reclaimableContextCount=0},globalsGetter:function(){var e=this.specialObjects[Squeak.splOb_SmalltalkDictionary],t=e.sqClass.className();if("SystemDictionary"===(t="Association"===t?(e=e.pointers[1]).sqClass.className():t))return function(){return e.pointers[1].pointers};if("SmalltalkImage"===t){var i=e.pointers[0],t=i.sqClass.className();if("SystemDictionary"===t)return function(){return i.pointers[1].pointers};if("Environment"===t)return function(){return i.pointers[2].pointers[1].pointers}}return console.warn("cannot find global dict"),function(){return[]}},initCompiler:function(){if(!Squeak.Compiler)return console.warn("Squeak.Compiler not loaded, using interpreter only");try{if(42!==new Function("return 42")())return console.warn("function constructor not working, disabling JIT")}catch(e){return console.warn("disabling JIT: "+e)}var e=this.image.oldSpaceCount/(this.startupTime-this.image.startupTime);if(e<10)return console.warn("Slow machine detected (loaded "+(1e3*e|0)+" objects/sec), using interpreter only");try{console.log("squeak: initializing JIT compiler");var t=new Squeak.Compiler(this);t.compile&&(this.compiler=t)}catch(e){console.warn("Compiler: "+e)}this.compiler||console.warn("SqueakJS will be running in interpreter mode only (slow)")},hackImage:function(){[{method:"SmalltalkImage>>wordSize",literal:{index:1,old:8,hack:4},enabled:!0},{method:"ReleaseBuilder class>>prepareEnvironment",bytecode:{pc:28,old:216,hack:135},enabled:("object"==typeof location?location.hash:"").includes("wizard=false")}].forEach(function(t){try{var e,i,r,s,n=t.enabled&&this.findMethod(t.method);n&&(e=t.primitive,i=t.bytecode,r=t.literal,s=!0,e?n.pointers[0]|=e:i&&n.bytes[i.pc]===i.old?n.bytes[i.pc]=i.hack:i&&n.bytes[i.pc]===i.hack?s=!1:r&&n.pointers[r.index].pointers[1]===r.old?n.pointers[r.index].pointers[1]=r.hack:r&&n.pointers[r.index].pointers[1]===r.hack?s=!1:(s=!1,console.warn("Not hacking "+t.method)),s)&&console.warn("Hacking "+t.method)}catch(e){console.error("Failed to hack "+t.method+" with error "+e)}},this)}},"interpreting",{interpretOne:function(e){if(this.method.methodSignFlag())return this.interpretOneSistaWithExtensions(e,0,0);if(!this.method.compiled){var t,i,r=this.Squeak;switch(this.byteCodeCount++,t=this.nextByte()){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return void this.push(this.receiver.pointers[15&t]);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return void this.push(this.homeContext.pointers[r.Context_tempFrameStart+(15&t)]);case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return void this.push(this.method.methodGetLiteral(31&t));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:case 72:case 73:case 74:case 75:case 76:case 77:case 78:case 79:case 80:case 81:case 82:case 83:case 84:case 85:case 86:case 87:case 88:case 89:case 90:case 91:case 92:case 93:case 94:case 95:return void this.push(this.method.methodGetLiteral(31&t).pointers[r.Assn_value]);case 96:case 97:case 98:case 99:case 100:case 101:case 102:case 103:return this.receiver.dirty=!0,void(this.receiver.pointers[7&t]=this.pop());case 104:case 105:case 106:case 107:case 108:case 109:case 110:case 111:return void(this.homeContext.pointers[r.Context_tempFrameStart+(7&t)]=this.pop());case 112:return void this.push(this.receiver);case 113:return void this.push(this.trueObj);case 114:return void this.push(this.falseObj);case 115:return void this.push(this.nilObj);case 116:return void this.push(-1);case 117:return void this.push(0);case 118:return void this.push(1);case 119:return void this.push(2);case 120:return void this.doReturn(this.receiver);case 121:return void this.doReturn(this.trueObj);case 122:return void this.doReturn(this.falseObj);case 123:return void this.doReturn(this.nilObj);case 124:return void this.doReturn(this.pop());case 125:return void this.doReturn(this.pop(),this.activeContext.pointers[r.BlockContext_caller]);case 126:case 127:return void this.nono();case 128:return void this.extendedPush(this.nextByte());case 129:return void this.extendedStore(this.nextByte());case 130:return void this.extendedStorePop(this.nextByte());case 131:return i=this.nextByte(),void this.send(this.method.methodGetSelector(31&i),i>>5,!1);case 132:return void this.doubleExtendedDoAnything(this.nextByte());case 133:return i=this.nextByte(),void this.send(this.method.methodGetSelector(31&i),i>>5,!0);case 134:return i=this.nextByte(),void this.send(this.method.methodGetSelector(63&i),i>>6,!1);case 135:return void this.pop();case 136:return void this.push(this.top());case 137:return void this.push(this.exportThisContext());case 138:return void this.pushNewArray(this.nextByte());case 139:return void this.callPrimBytecode(129);case 140:return i=this.nextByte(),void this.push(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]);case 141:return i=this.nextByte(),void(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]=this.top());case 142:return i=this.nextByte(),void(this.homeContext.pointers[r.Context_tempFrameStart+this.nextByte()].pointers[i]=this.pop());case 143:return void this.pushClosureCopy();case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:return void(this.pc+=1+(7&t));case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return void this.jumpIfFalse(1+(7&t));case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:return i=this.nextByte(),this.pc+=256*((7&t)-4)+i,void((7&t)<4&&this.interruptCheckCounter--<=0&&this.checkForInterrupts());case 168:case 169:case 170:case 171:return void this.jumpIfTrue(256*(3&t)+this.nextByte());case 172:case 173:case 174:case 175:return void this.jumpIfFalse(256*(3&t)+this.nextByte());case 176:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)+this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 177:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)-this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 178:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 179:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 180:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<=this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 181:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>=this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 182:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)===this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 183:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)!==this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 184:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)*this.stackIntOrFloat(0))||this.sendSpecial(15&t));case 185:return this.success=!0,void(this.pop2AndPushIntResult(this.quickDivide(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 186:return this.success=!0,void(this.pop2AndPushIntResult(this.mod(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 187:return this.success=!0,void(this.primHandler.primitiveMakePoint(1,!0)||this.sendSpecial(15&t));case 188:return this.success=!0,void(this.pop2AndPushIntResult(this.safeShift(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 189:return this.success=!0,void(this.pop2AndPushIntResult(this.div(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&t));case 190:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)&this.stackInteger(0))||this.sendSpecial(15&t));case 191:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)|this.stackInteger(0))||this.sendSpecial(15&t));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return void(this.primHandler.quickSendOther(this.receiver,15&t)||this.sendSpecial(16+(15&t)));case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:case 216:case 217:case 218:case 219:case 220:case 221:case 222:case 223:return void this.send(this.method.methodGetSelector(15&t),0,!1);case 224:case 225:case 226:case 227:case 228:case 229:case 230:case 231:case 232:case 233:case 234:case 235:case 236:case 237:case 238:case 239:return void this.send(this.method.methodGetSelector(15&t),1,!1);case 240:case 241:case 242:case 243:case 244:case 245:case 246:case 247:case 248:case 249:case 250:case 251:case 252:case 253:case 254:case 255:return void this.send(this.method.methodGetSelector(15&t),2,!1)}throw Error("not a bytecode: "+t)}if(e){if(!this.compiler.enableSingleStepping(this.method))return this.method.compiled=null,this.interpretOne(e);this.breakNow()}this.method.compiled(this)},interpretOneSistaWithExtensions:function(e,t,i){var r,s,n=this.Squeak;switch(this.byteCodeCount++,r=this.nextByte()){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return void this.push(this.receiver.pointers[15&r]);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return void this.push(this.method.methodGetLiteral(15&r).pointers[n.Assn_value]);case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return void this.push(this.method.methodGetLiteral(31&r));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:return void this.push(this.homeContext.pointers[n.Context_tempFrameStart+(7&r)]);case 72:case 73:case 74:case 75:return void this.push(this.homeContext.pointers[n.Context_tempFrameStart+(3&r)+8]);case 76:return void this.push(this.receiver);case 77:return void this.push(this.trueObj);case 78:return void this.push(this.falseObj);case 79:return void this.push(this.nilObj);case 80:return void this.push(0);case 81:return void this.push(1);case 82:return 0==i?void this.push(this.exportThisContext()):void this.nono();case 83:return void this.push(this.top());case 84:case 85:case 86:case 87:return void this.nono();case 88:return void this.doReturn(this.receiver);case 89:return void this.doReturn(this.trueObj);case 90:return void this.doReturn(this.falseObj);case 91:return void this.doReturn(this.nilObj);case 92:return void this.doReturn(this.pop());case 93:return void this.doReturn(this.nilObj,this.activeContext.pointers[n.BlockContext_caller]);case 94:return 0==t?void this.doReturn(this.pop(),this.activeContext.pointers[n.BlockContext_caller]):void this.nono();case 95:return;case 96:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)+this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 97:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)-this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 98:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 99:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 100:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)<=this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 101:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)>=this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 102:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)===this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 103:return this.success=!0,void(this.pop2AndPushBoolResult(this.stackIntOrFloat(1)!==this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 104:return this.success=!0,this.resultIsFloat=!1,void(this.pop2AndPushNumResult(this.stackIntOrFloat(1)*this.stackIntOrFloat(0))||this.sendSpecial(15&r));case 105:return this.success=!0,void(this.pop2AndPushIntResult(this.quickDivide(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 106:return this.success=!0,void(this.pop2AndPushIntResult(this.mod(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 107:return this.success=!0,void(this.primHandler.primitiveMakePoint(1,!0)||this.sendSpecial(15&r));case 108:return this.success=!0,void(this.pop2AndPushIntResult(this.safeShift(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 109:return this.success=!0,void(this.pop2AndPushIntResult(this.div(this.stackInteger(1),this.stackInteger(0)))||this.sendSpecial(15&r));case 110:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)&this.stackInteger(0))||this.sendSpecial(15&r));case 111:return this.success=!0,void(this.pop2AndPushIntResult(this.stackInteger(1)|this.stackInteger(0))||this.sendSpecial(15&r));case 112:case 113:case 114:case 115:case 116:case 117:case 118:case 119:case 120:case 121:case 122:case 123:case 124:case 125:case 126:case 127:return void(this.primHandler.quickSendOther(this.receiver,15&r)||this.sendSpecial(16+(15&r)));case 128:case 129:case 130:case 131:case 132:case 133:case 134:case 135:case 136:case 137:case 138:case 139:case 140:case 141:case 142:case 143:return void this.send(this.method.methodGetSelector(15&r),0,!1);case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return void this.send(this.method.methodGetSelector(15&r),1,!1);case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:case 168:case 169:case 170:case 171:case 172:case 173:case 174:case 175:return void this.send(this.method.methodGetSelector(15&r),2,!1);case 176:case 177:case 178:case 179:case 180:case 181:case 182:case 183:return void(this.pc+=1+(7&r));case 184:case 185:case 186:case 187:case 188:case 189:case 190:case 191:return void this.jumpIfTrue(1+(7&r));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:return void this.jumpIfFalse(1+(7&r));case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return this.receiver.dirty=!0,void(this.receiver.pointers[7&r]=this.pop());case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:return void(this.homeContext.pointers[n.Context_tempFrameStart+(7&r)]=this.pop());case 216:return void this.pop();case 217:return void this.nono();case 218:case 219:case 220:case 221:case 222:case 223:return void this.nono();case 224:return a=this.nextByte(),void this.interpretOneSistaWithExtensions(e,(t<<8)+a,i);case 225:return a=this.nextByte(),void this.interpretOneSistaWithExtensions(e,t,(i<<8)+(a<128?a:a-256));case 226:return a=this.nextByte(),void this.push(this.receiver.pointers[a+(t<<8)]);case 227:return a=this.nextByte(),void this.push(this.method.methodGetLiteral(a+(t<<8)).pointers[n.Assn_value]);case 228:return a=this.nextByte(),void this.push(this.method.methodGetLiteral(a+(t<<8)));case 229:return a=this.nextByte(),void this.push(this.homeContext.pointers[n.Context_tempFrameStart+a]);case 230:return void this.nono();case 231:return void this.pushNewArray(this.nextByte());case 232:return a=this.nextByte(),void this.push(a+(i<<8));case 233:return a=this.nextByte(),void this.push(this.image.getCharacter(a+(i<<8)));case 234:return a=this.nextByte(),void this.send(this.method.methodGetSelector((a>>3)+(t<<5)),(7&a)+(i<<3),!1);case 235:var a=this.nextByte(),o=this.method.methodGetSelector((a>>3)+(t<<5));return 64<=i?void this.sendSuperDirected(o,(7&a)+((63&i)<<3)):void this.send(o,(7&a)+(i<<3),!0);case 236:return void this.nono();case 237:o=this.nextByte()+(i<<8);return this.pc+=o,void(o<0&&this.interruptCheckCounter--<=0&&this.checkForInterrupts());case 238:return void this.jumpIfTrue(this.nextByte()+(i<<8));case 239:return void this.jumpIfFalse(this.nextByte()+(i<<8));case 240:return this.receiver.dirty=!0,void(this.receiver.pointers[this.nextByte()+(t<<8)]=this.pop());case 241:return(s=this.method.methodGetLiteral(this.nextByte()+(t<<8))).dirty=!0,void(s.pointers[n.Assn_value]=this.pop());case 242:return void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()]=this.pop());case 243:return this.receiver.dirty=!0,void(this.receiver.pointers[this.nextByte()+(t<<8)]=this.top());case 244:return(s=this.method.methodGetLiteral(this.nextByte()+(t<<8))).dirty=!0,void(s.pointers[n.Assn_value]=this.top());case 245:return void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()]=this.top());case 246:case 247:return void this.nono();case 248:return void this.callPrimBytecode(245);case 249:return void this.pushFullClosure(t);case 250:return void this.pushClosureCopyExtended(t,i);case 251:return a=this.nextByte(),void this.push(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]);case 252:return a=this.nextByte(),void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]=this.top());case 253:return a=this.nextByte(),void(this.homeContext.pointers[n.Context_tempFrameStart+this.nextByte()].pointers[a]=this.pop());case 254:case 255:return void this.nono()}throw Error("not a bytecode: "+r)},interpret:function(e,t){if(this.frozen)return"frozen";for(this.isIdle=!1,this.breakOutOfInterpreter=!1,this.breakAfter(e||500);!1===this.breakOutOfInterpreter;)this.method.compiled?this.method.compiled(this):this.interpretOne();return"function"==typeof this.breakOutOfInterpreter?this.breakOutOfInterpreter(t):(e="break"==this.breakOutOfInterpreter?"break":this.isIdle?this.nextWakeupTick?Math.max(1,this.nextWakeupTick-this.primHandler.millisecondClockValue()):"sleep":0,t&&t(e),e)},goIdle:function(){var e=0!==this.nextWakeupTick,t=(this.forceInterruptCheck(),this.checkForInterrupts(),0!==this.nextWakeupTick);this.isIdle=t||!e,this.breakOut()},freeze:function(e){this.frozen=!0,this.breakOutOfInterpreter=function(e){if(e)return t=e,"frozen";throw Error("need function to restart interpreter")}.bind(this);var t,i=function(){if(this.frozen=!1,!t)throw Error("no continue function");t(0)}.bind(this);return e&&self.setTimeout(function(){e(i)},0),i},breakOut:function(){this.breakOutOfInterpreter=this.breakOutOfInterpreter||!0},nextByte:function(){return this.method.bytes[this.pc++]},nono:function(){throw Error("Oh No!")},forceInterruptCheck:function(){this.interruptCheckCounter=-1e3},checkForInterrupts:function(){var e,t=this.primHandler.millisecondClockValue();t<this.lastTick&&(this.nextPollTick=t+(this.nextPollTick-this.lastTick),this.breakOutTick=t+(this.breakOutTick-this.lastTick),0!==this.nextWakeupTick)&&(this.nextWakeupTick=t+(this.nextWakeupTick-this.lastTick)),-100<this.interruptCheckCounter&&(t-this.lastTick<this.interruptChecksEveryNms?this.interruptCheckCounterFeedBackReset+=10:this.interruptCheckCounterFeedBackReset<=1e3?this.interruptCheckCounterFeedBackReset=1e3:this.interruptCheckCounterFeedBackReset-=12),this.interruptCheckCounter=this.interruptCheckCounterFeedBackReset,this.lastTick=t,this.signalLowSpace&&(this.signalLowSpace=!1,(e=this.specialObjects[Squeak.splOb_TheLowSpaceSemaphore]).isNil||this.primHandler.synchronousSignal(e)),this.interruptPending&&(this.interruptPending=!1,(e=this.specialObjects[Squeak.splOb_TheInterruptSemaphore]).isNil||this.primHandler.synchronousSignal(e)),0!==this.nextWakeupTick&&t>=this.nextWakeupTick&&(this.nextWakeupTick=0,(e=this.specialObjects[Squeak.splOb_TheTimerSemaphore]).isNil||this.primHandler.synchronousSignal(e)),0<this.pendingFinalizationSignals&&(e=this.specialObjects[Squeak.splOb_TheFinalizationSemaphore],this.pendingFinalizationSignals=0,e.isNil||this.primHandler.synchronousSignal(e)),0<this.primHandler.semaphoresToSignal.length&&this.primHandler.signalExternalSemaphores(),!this.method.compiled&&this.compiler&&this.compiler.compile(this.method),t>=this.breakOutTick&&this.breakOut()},extendedPush:function(e){var t=63&e;switch(e>>6){case 0:this.push(this.receiver.pointers[t]);break;case 1:this.push(this.homeContext.pointers[Squeak.Context_tempFrameStart+t]);break;case 2:this.push(this.method.methodGetLiteral(t));break;case 3:this.push(this.method.methodGetLiteral(t).pointers[Squeak.Assn_value])}},extendedStore:function(e){var t=63&e;switch(e>>6){case 0:this.receiver.dirty=!0,this.receiver.pointers[t]=this.top();break;case 1:this.homeContext.pointers[Squeak.Context_tempFrameStart+t]=this.top();break;case 2:this.nono();break;case 3:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.top()}},extendedStorePop:function(e){var t=63&e;switch(e>>6){case 0:this.receiver.dirty=!0,this.receiver.pointers[t]=this.pop();break;case 1:this.homeContext.pointers[Squeak.Context_tempFrameStart+t]=this.pop();break;case 2:this.nono();break;case 3:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.pop()}},doubleExtendedDoAnything:function(e){var t=this.nextByte();switch(e>>5){case 0:this.send(this.method.methodGetSelector(t),31&e,!1);break;case 1:this.send(this.method.methodGetSelector(t),31&e,!0);break;case 2:this.push(this.receiver.pointers[t]);break;case 3:this.push(this.method.methodGetLiteral(t));break;case 4:this.push(this.method.methodGetLiteral(t).pointers[Squeak.Assn_value]);break;case 5:this.receiver.dirty=!0,this.receiver.pointers[t]=this.top();break;case 6:this.receiver.dirty=!0,this.receiver.pointers[t]=this.pop();break;case 7:var i=this.method.methodGetLiteral(t);i.dirty=!0,i.pointers[Squeak.Assn_value]=this.top()}},jumpIfTrue:function(e){var t=this.pop();t.isTrue?this.pc+=e:t.isFalse||(this.push(t),this.send(this.specialObjects[Squeak.splOb_SelectorMustBeBoolean],0,!1))},jumpIfFalse:function(e){var t=this.pop();t.isFalse?this.pc+=e:t.isTrue||(this.push(t),this.send(this.specialObjects[Squeak.splOb_SelectorMustBeBoolean],0,!1))},sendSpecial:function(e){this.send(this.specialSelectors[2*e],this.specialSelectors[2*e+1],!1)},callPrimBytecode:function(e){this.pc+=2,this.primFailCode&&(this.method.bytes[this.pc]===e&&this.stackTopPut(this.getErrorObjectFromPrimFailCode()),this.primFailCode=0)},getErrorObjectFromPrimFailCode:function(){var e=this.specialObjects[Squeak.splOb_PrimErrTableIndex];if(e&&e.pointers){e=e.pointers[this.primFailCode-1];if(e)return e}return this.primFailCode}},"closures",{pushNewArray:function(e){var t=127<e,i=127&e,r=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],i);if(t){for(var s=0;s<i;s++)r.pointers[s]=this.stackValue(i-s-1);this.popN(i)}this.push(r)},pushClosureCopy:function(){var e=this.nextByte(),t=15&e,i=e>>4,e=256*this.nextByte()+this.nextByte(),r=this.encodeSqueakPC(this.pc,this.method),s=this.newClosure(t,r,i);if(s.pointers[Squeak.Closure_outerContext]=this.activeContext,(this.reclaimableContextCount=0)<i){for(var n=0;n<i;n++)s.pointers[Squeak.Closure_firstCopiedValue+n]=this.stackValue(i-n-1);this.popN(i)}this.pc+=e,this.push(s)},pushClosureCopyExtended:function(e,t){var i=this.nextByte(),r=this.nextByte(),s=(7&i)+8*this.mod(e,16),n=(i>>3&7)+8*this.div(e,16),i=r+(t<<8),e=this.encodeSqueakPC(this.pc,this.method),a=this.newClosure(s,e,n);if(a.pointers[Squeak.Closure_outerContext]=this.activeContext,(this.reclaimableContextCount=0)<n){for(var o=0;o<n;o++)a.pointers[Squeak.Closure_firstCopiedValue+o]=this.stackValue(n-o-1);this.popN(n)}this.pc+=i,this.push(a)},pushFullClosure:function(e){var t=this.nextByte(),i=this.nextByte(),r=63&i,s=1==(i>>6&1)?this.vm.nilObj:this.activeContext,t=this.method.methodGetLiteral(t+(e<<8)),n=this.newFullClosure(s,r,t);if(1==(i>>7&1))throw Error("on-stack receiver not yet supported");if(n.pointers[Squeak.ClosureFull_receiver]=this.receiver,(this.reclaimableContextCount=0)<r){for(var a=0;a<r;a++)n.pointers[Squeak.ClosureFull_firstCopiedValue+a]=this.stackValue(r-a-1);this.popN(r)}this.push(n)},newClosure:function(e,t,i){i=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassBlockClosure],i);return i.pointers[Squeak.Closure_startpc]=t,i.pointers[Squeak.Closure_numArgs]=e,i},newFullClosure:function(e,t,i){t=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassFullBlockClosure],t);return t.pointers[Squeak.Closure_outerContext]=e,t.pointers[Squeak.ClosureFull_method]=i,t.pointers[Squeak.Closure_numArgs]=i.methodNumArgs(),t}},"sending",{send:function(e,t,i){var r=this.stackValue(t),s=i?(s=this.method.methodClassForSuper()).pointers[Squeak.Class_superclass]:this.getClass(r),i=this.findSelectorInClass(e,t,s);i.primIndex&&(this.verifyAtSelector=e,this.verifyAtClass=s),this.executeNewMethod(r,i.method,i.argCount,i.primIndex,i.mClass,e)},sendSuperDirected:function(e,t){var i=this.pop().pointers[Squeak.Class_superclass],r=this.stackValue(t),t=this.findSelectorInClass(e,t,i);t.primIndex&&(this.verifyAtSelector=e,this.verifyAtClass=i),this.executeNewMethod(r,t.method,t.argCount,t.primIndex,t.mClass,e)},sendAsPrimitiveFailure:function(e,t,i){this.executeNewMethod(e,t,i,0)},findSelectorInClass:function(e,t,i){this.currentSelector=e;var r=this.findMethodCacheEntry(e,i);if(r.method)return r;for(var s,n,a=i;!a.isNil;){if((n=a.pointers[Squeak.Class_mdict]).isNil)return s=this.specialObjects[Squeak.splOb_SelectorCannotInterpret],o=this.createActualMessage(e,t,i),this.popNandPush(t,o),this.findSelectorInClass(s,1,a.superclass());var o=this.lookupSelectorInDict(n,e);if(!o.isNil)return r.method=o,r.primIndex=o.isMethod()?o.methodPrimitiveIndex():576,r.argCount=t,r.mClass=a,r;a=a.superclass()}var u=this.specialObjects[Squeak.splOb_SelectorDoesNotUnderstand];if(e===u)throw Error("Recursive not understood error encountered");var l,c=this.createActualMessage(e,t,i);return this.breakOnMessageNotUnderstood&&(l=this.stackValue(t),this.breakNow("Message not understood: "+l+" "+i.className()+">>"+e.bytesAsString())),this.popNandPush(t,c),this.findSelectorInClass(u,1,i)},lookupSelectorInDict:function(e,t){for(var i=e.pointersSize(),r=(i-Squeak.MethodDict_selectorStart-1&t.hash)+Squeak.MethodDict_selectorStart,s=!1;;){var n=e.pointers[r];if(n===t)return e.pointers[Squeak.MethodDict_array].pointers[r-Squeak.MethodDict_selectorStart];if(n.isNil)return this.nilObj;if(++r===i){if(s)return this.nilObj;r=Squeak.MethodDict_selectorStart,s=!0}}},executeNewMethod:function(e,t,i,r,s,n){if(this.sendCount++,t===this.breakOnMethod&&this.breakNow("executing method "+this.printMethod(t,s,n)),this.logSends){for(var a=" ",o=this.activeContext;!o.isNil;)a+="| ",o=o.pointers[Squeak.Context_sender];var u=this.activeContext.pointers.slice(this.sp+1-i,this.sp+1);console.log(this.sendCount+a+this.printMethod(t,s,n,u))}if(this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow()),!(0<r&&this.tryPrimitive(r,i,t))){var u=this.allocateOrRecycleContext(t.methodNeedsLargeFrame()),r=t.methodTempCount(),l=Squeak.Context_tempFrameStart+r-1;if(u.pointers[Squeak.Context_method]=t,u.pointers[Squeak.BlockContext_initialIP]=this.nilObj,u.pointers[Squeak.Context_sender]=this.activeContext,this.arrayCopy(this.activeContext.pointers,this.sp-i,u.pointers,Squeak.Context_tempFrameStart-1,i+1),this.arrayFill(u.pointers,Squeak.Context_tempFrameStart+i,Squeak.Context_tempFrameStart+r,this.nilObj),this.popN(i+1),this.reclaimableContextCount++,this.storeContextRegisters(),this.activeContext=u,this.activeContext.dirty=!0,this.homeContext=u,this.method=t,this.pc=0,this.sp=l,this.receiver=u.pointers[Squeak.Context_receiver],this.receiver!==e)throw Error("receivers don't match");!t.compiled&&this.compiler&&this.compiler.compile(t,s,n),this.interruptCheckCounter--<=0&&this.checkForInterrupts()}},doReturn:function(e,t){if(!t){var i,r=this.homeContext;if(this.hasClosures)for(;!(i=r.pointers[Squeak.Context_closure]).isNil;)r=i.pointers[Squeak.Closure_outerContext];t=r.pointers[Squeak.Context_sender]}if(t.isNil||t.pointers[Squeak.Context_instructionPointer].isNil)return this.cannotReturn(e);for(var s,n=this.activeContext.pointers[Squeak.Context_sender];n!==t;){if(n.isNil)return this.cannotReturn(e);if(this.isUnwindMarked(n))return this.aboutToReturnThrough(e,n);n=n.pointers[Squeak.Context_sender]}for(n=this.activeContext;n!==t;)this.breakOnContextReturned===n&&(this.breakOnContextReturned=null,this.breakNow()),s=n.pointers[Squeak.Context_sender],n.pointers[Squeak.Context_sender]=this.nilObj,n.pointers[Squeak.Context_instructionPointer]=this.nilObj,0<this.reclaimableContextCount&&(this.reclaimableContextCount--,this.recycleIfPossible(n)),n=s;this.activeContext=n,this.activeContext.dirty=!0,this.fetchContextRegisters(this.activeContext),this.push(e),this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow())},aboutToReturnThrough:function(e,t){this.push(this.exportThisContext()),this.push(e),this.push(t);e=this.specialObjects[Squeak.splOb_SelectorAboutToReturn];this.send(e,2)},cannotReturn:function(e){this.push(this.exportThisContext()),this.push(e);e=this.specialObjects[Squeak.splOb_SelectorCannotReturn];this.send(e,1)},tryPrimitive:function(e,t,i){if(255<e&&e<520){if(264<=e)this.popNandPush(1,this.top().pointers[e-264]);else{switch(e){case 256:return!0;case 257:return this.popNandPush(1,this.trueObj),!0;case 258:return this.popNandPush(1,this.falseObj),!0;case 259:return this.popNandPush(1,this.nilObj),!0}this.popNandPush(1,e-261)}return!0}var r=this.sp,s=this.activeContext,i=this.primHandler.doPrimitive(e,t,i);return i&&this.sp!==r-t&&s===this.activeContext&&117!==e&&!this.frozen&&this.warnOnce("stack unbalanced after primitive "+e,"error"),i},createActualMessage:function(e,t,i){var r=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMessage],0),s=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],t);return this.arrayCopy(this.activeContext.pointers,this.sp-t+1,s.pointers,0,t),r.pointers[Squeak.Message_selector]=e,r.pointers[Squeak.Message_arguments]=s,r.pointers.length>Squeak.Message_lookupClass&&(r.pointers[Squeak.Message_lookupClass]=i),r},primitivePerform:function(e){var t=this.stackValue(e-1),i=this.stackValue(e),e=e-1,r=this.sp-e,s=this.activeContext.pointers,s=(this.arrayCopy(s,1+r,s,r,e),this.sp--,this.findSelectorInClass(t,e,this.getClass(i)));return this.executeNewMethod(i,s.method,s.argCount,s.primIndex,s.mClass,t),!0},primitivePerformWithArgs:function(e,t){var i=t?3:2,r=this.stackValue(i),s=this.stackValue(i-1),n=this.stackValue(i-2);if(n.sqClass!==this.specialObjects[Squeak.splOb_ClassArray])return!1;var a=t?this.top():this.getClass(r);if(t)for(var o=this.getClass(r);o!==a;)if((o=o.pointers[Squeak.Class_superclass]).isNil)return!1;var t=n.pointersSize(),i=this.sp-(i-1),u=this.activeContext.pointers,n=(this.arrayCopy(n.pointers,0,u,i,t),this.sp+=t-e,this.findSelectorInClass(s,t,a));return this.executeNewMethod(r,n.method,n.argCount,n.primIndex,n.mClass,s),!0},primitiveInvokeObjectAsMethod:function(e,t){for(var i=this.instantiateClass(this.specialObjects[Squeak.splOb_ClassArray],e),r=0;r<e;r++)i.pointers[e-r-1]=this.pop();var s=this.pop(),n=this.currentSelector,a=this.specialObjects[Squeak.splOb_SelectorRunWithIn];return this.push(t),this.push(n),this.push(i),this.push(s),this.send(a,3,!1),!0},findMethodCacheEntry:function(e,t){this.methodCacheRandomish=this.methodCacheRandomish+1&3;for(var i,r=(e.hash^t.hash)&this.methodCacheMask,s=r,n=0;n<4;n++){if((i=this.methodCache[s]).selector===e&&i.lkupClass===t)return i;n===this.methodCacheRandomish&&(r=s),s=s+e.hash&this.methodCacheMask}return(i=this.methodCache[r]).lkupClass=t,i.selector=e,i.method=null,i},flushMethodCache:function(){for(var e=0;e<this.methodCacheSize;e++)this.methodCache[e].selector=null,this.methodCache[e].method=null;return!0},flushMethodCacheForSelector:function(e){for(var t=0;t<this.methodCacheSize;t++)this.methodCache[t].selector===e&&(this.methodCache[t].selector=null,this.methodCache[t].method=null);return!0},flushMethodCacheForMethod:function(e){for(var t=0;t<this.methodCacheSize;t++)this.methodCache[t].method===e&&(this.methodCache[t].selector=null,this.methodCache[t].method=null);return!0},flushMethodCacheAfterBecome:function(e){this.flushMethodCache()}},"contexts",{isUnwindMarked:function(e){return!!this.isMethodContext(e)&&198==e.pointers[Squeak.Context_method].methodPrimitiveIndex()},newActiveContext:function(e){this.storeContextRegisters(),this.activeContext=e,this.activeContext.dirty=!0,this.fetchContextRegisters(e),this.breakOnContextChanged&&(this.breakOnContextChanged=!1,this.breakNow())},exportThisContext:function(){return this.storeContextRegisters(),this.reclaimableContextCount=0,this.activeContext},fetchContextRegisters:function(e){var t=e.pointers[Squeak.Context_method];this.isSmallInt(t)?(this.homeContext=e.pointers[Squeak.BlockContext_home],t=this.homeContext.pointers[Squeak.Context_method]):this.homeContext=e,this.receiver=this.homeContext.pointers[Squeak.Context_receiver],this.method=t,this.pc=this.decodeSqueakPC(e.pointers[Squeak.Context_instructionPointer],t),this.sp=this.decodeSqueakSP(e.pointers[Squeak.Context_stackPointer])},storeContextRegisters:function(){this.activeContext.pointers[Squeak.Context_instructionPointer]=this.encodeSqueakPC(this.pc,this.method),this.activeContext.pointers[Squeak.Context_stackPointer]=this.encodeSqueakSP(this.sp)},encodeSqueakPC:function(e,t){return e+4*t.pointers.length+1},decodeSqueakPC:function(e,t){return e-4*t.pointers.length-1},encodeSqueakSP:function(e){return e-(Squeak.Context_tempFrameStart-1)},decodeSqueakSP:function(e){return e+(Squeak.Context_tempFrameStart-1)},recycleIfPossible:function(e){this.isMethodContext(e)&&(e.pointersSize()===Squeak.Context_tempFrameStart+Squeak.Context_smallFrameSize?(e.pointers[0]=this.freeContexts,this.freeContexts=e):e.pointersSize()===Squeak.Context_tempFrameStart+Squeak.Context_largeFrameSize&&(e.pointers[0]=this.freeLargeContexts,this.freeLargeContexts=e))},allocateOrRecycleContext:function(e){var t;return e?this.freeLargeContexts.isNil?(this.nAllocatedContexts++,this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMethodContext],Squeak.Context_largeFrameSize)):(t=this.freeLargeContexts,this.freeLargeContexts=t.pointers[0],this.nRecycledContexts++,t):this.freeContexts.isNil?(this.nAllocatedContexts++,this.instantiateClass(this.specialObjects[Squeak.splOb_ClassMethodContext],Squeak.Context_smallFrameSize)):(t=this.freeContexts,this.freeContexts=t.pointers[0],this.nRecycledContexts++,t)}},"stack access",{pop:function(){return this.activeContext.pointers[this.sp--]},popN:function(e){this.sp-=e},push:function(e){this.activeContext.pointers[++this.sp]=e},popNandPush:function(e,t){this.activeContext.pointers[this.sp-=e-1]=t},top:function(){return this.activeContext.pointers[this.sp]},stackTopPut:function(e){this.activeContext.pointers[this.sp]=e},stackValue:function(e){return this.activeContext.pointers[this.sp-e]},stackInteger:function(e){return this.checkSmallInt(this.stackValue(e))},stackIntOrFloat:function(e){e=this.stackValue(e);if("number"==typeof e)return e;if(void 0!==e){if(e.isFloat)return this.resultIsFloat=!0,e.float;var t=e.bytes;if(t&&4==t.length){for(var i=0,r=3;0<=r;r--)i=256*i+t[r];if(e.sqClass===this.specialObjects[Squeak.splOb_ClassLargePositiveInteger])return i;if(e.sqClass===this.specialObjects[Squeak.splOb_ClassLargeNegativeInteger])return-i}}return this.success=!1,0},pop2AndPushIntResult:function(e){return!(!this.success||!this.canBeSmallInt(e)||(this.popNandPush(2,e),0))},pop2AndPushNumResult:function(e){if(this.success){if(this.resultIsFloat)return this.popNandPush(2,this.primHandler.makeFloat(e)),!0;if(e>=Squeak.MinSmallInt&&e<=Squeak.MaxSmallInt)return this.popNandPush(2,e),!0;var t,i;if(-4294967295<=e&&e<=4294967295)return e=(t=e<0)?-e:e,t=t?Squeak.splOb_ClassLargeNegativeInteger:Squeak.splOb_ClassLargePositiveInteger,(i=(t=this.instantiateClass(this.specialObjects[t],4)).bytes)[0]=255&e,i[1]=e>>8&255,i[2]=e>>16&255,i[3]=e>>24&255,this.popNandPush(2,t),!0}return!1},pop2AndPushBoolResult:function(e){return!!this.success&&(this.popNandPush(2,e?this.trueObj:this.falseObj),!0)}},"numbers",{getClass:function(e){return this.isSmallInt(e)?this.specialObjects[Squeak.splOb_ClassInteger]:e.sqClass},canBeSmallInt:function(e){return e>=Squeak.MinSmallInt&&e<=Squeak.MaxSmallInt},isSmallInt:function(e){return"number"==typeof e},checkSmallInt:function(e){return"number"==typeof e?e:(this.success=!1,1)},quickDivide:function(e,t){var i;return 0!==t&&(i=e/t|0)*t===e?i:Squeak.NonSmallInt},div:function(e,t){return 0===t?Squeak.NonSmallInt:Math.floor(e/t)},mod:function(e,t){return 0===t?Squeak.NonSmallInt:e-Math.floor(e/t)*t},safeShift:function(e,t){var i;return t<0?t<-31?e<0?-1:0:e>>-t:31<t?0==e?0:Squeak.NonSmallInt:(i=e<<t)>>t===e?i:Squeak.NonSmallInt}},"utils",{isContext:function(e){return e.sqClass===this.specialObjects[Squeak.splOb_ClassMethodContext]||e.sqClass===this.specialObjects[Squeak.splOb_ClassBlockContext]},isMethodContext:function(e){return e.sqClass===this.specialObjects[Squeak.splOb_ClassMethodContext]},instantiateClass:function(e,t){return this.image.instantiateClass(e,t,this.nilObj)},arrayFill:function(e,t,i,r){for(var s=t;s<i;s++)e[s]=r},arrayCopy:function(e,t,i,r,s){if(e===i&&t<r)for(var n=s-1;0<=n;n--)i[r+n]=e[t+n];else for(n=0;n<s;n++)i[r+n]=e[t+n]},signalLowSpaceIfNecessary:function(e){var t;e<this.lowSpaceThreshold&&0<this.lowSpaceThreshold&&((t=prompt&&prompt("Out of memory, "+Math.ceil(this.image.totalMemory/1e6)+" MB used.\nEnter additional MB, or 0 to signal low space in image","0"))?(t=1e6*parseInt(t,10),this.image.totalMemory+=t,this.signalLowSpaceIfNecessary(this.image.bytesLeft())):(console.warn("squeak: low memory ("+e+"/"+this.image.totalMemory+" bytes left), signaling low space"),this.signalLowSpace=!0,this.lowSpaceThreshold=0,this.specialObjects[Squeak.splOb_ProcessSignalingLowSpace].isNil&&(this.specialObjects[Squeak.splOb_ProcessSignalingLowSpace]=this.primHandler.activeProcess()),this.forceInterruptCheck()))}},"debugging",{addMessage:function(e){return this.messages[e]?++this.messages[e]:this.messages[e]=1},warnOnce:function(e,t){if(1==this.addMessage(e))return console[t||"warn"](e),!0},printMethod:function(r,e,t,i){if(r.sqClass!=this.specialObjects[Squeak.splOb_ClassCompiledMethod])return this.printMethod(r.blockOuterCode(),e,t,i);var s;if(t){var n=e.className()+">>",t=t.bytesAsString();if(i&&i.length)for(var a=t.split(/(?<=:)/),o=0;o<i.length;o++)0<o&&(n+=" "),n+=a[o]+" "+i[o];else n+=t;return n}return r=r||this.activeContext.contextMethod(),this.allMethodsDo(function(e,t,i){if(t===r)return s=e.className()+">>"+i.bytesAsString()}),s||(e?"("+e.pointers[Squeak.Context_receiver]+")>>?":"?>>?")},allInstancesOf:function(e,t){"string"==typeof e&&(e=this.globalNamed(e));for(var i=[],r=this.image.someInstanceOf(e);r;)t?t(r):i.push(r),r=this.image.nextInstanceAfter(r);return i},globalNamed:function(i){return this.allGlobalsDo(function(e,t){if(e.bytesAsString()===i)return t})},allGlobalsDo:function(e){for(var t=this.getGlobals(),i=0;i<t.length;i++){var r=t[i];if(!r.isNil){r=e(r.pointers[0],r.pointers[1]);if(r)return r}}},allMethodsDo:function(h){this.allGlobalsDo(function(e,t){if(t.pointers&&9<=t.pointers.length)for(var i=[t,t.sqClass],r=0;r<i.length;r++){var s=i[r],n=s.pointers[1];if(n.pointers&&n.pointers[1]){var a=n.pointers[1].pointers;if(a){var o=n.pointers;if(a.length+2===o.length)for(var u=0;u<a.length;u++){var l=a[u],c=o[2+u];if(l.isMethod&&l.isMethod())if(c.bytesSize&&c.bytesSize())if(h.call(null,s,l,c))return!0}}}}})},printStack:function(e,t,i){"number"==typeof e&&(t=e,e=null),e=e||this.activeContext,t=t||100;for(var r=[],s=Math.max(t,1e6);!e.isNil&&0<s--;)r.push(e),e=e.pointers[Squeak.Context_sender];r.length>t+200&&(e.isNil||r.push("..."),r=r.slice(0,t).concat(["..."]).concat(r.slice(-200)));var n,a,o=[],u=r.length,l="";for(i&&this.logSends&&(l=Array((""+this.sendCount).length+2).join(" "));0<u--;)(e=r[u]).pointers?(a="","number"==typeof(n=e.pointers[Squeak.Context_method])?(n=e.pointers[Squeak.BlockContext_home].pointers[Squeak.Context_method],a="[] in "):e.pointers[Squeak.Context_closure].isNil||(a="[] in "),a=a+this.printMethod(n,e),o.push((a=i?l+a:a)+"\n"),i&&(l+=i)):o.push("...\n");return o.join("")},findMethod:function(e){var r,s=e.split(">>")[0],n=e.split(">>")[1];return this.allMethodsDo(function(e,t,i){if(n.length==i.bytesSize()&&n==i.bytesAsString()&&s==e.className())return r=t}),r},breakAfter:function(e){this.breakOutTick=this.primHandler.millisecondClockValue()+e},breakNow:function(e){e&&console.log("Break: "+e),this.breakOutOfInterpreter="break"},breakOn:function(e){return this.breakOnMethod=e&&this.findMethod(e)},breakOnReturnFromThisContext:function(){this.breakOnContextChanged=!1,this.breakOnContextReturned=this.activeContext},breakOnSendOrReturn:function(){this.breakOnContextChanged=!0,this.breakOnContextReturned=null},printContext:function(e,t){if(!this.isContext(e))return"NOT A CONTEXT: "+i(e);function i(e){e="number"==typeof e||"object"==typeof e?e.sqInstName():"<"+e+">";return e=(e=JSON.stringify(e).slice(1,-1)).length>t-3?e.slice(0,t-3)+"...":e}t=t||72;for(var r="number"==typeof e.pointers[Squeak.BlockContext_argumentCount],s=e.pointers[Squeak.Context_closure],n=!r&&!s.isNil,a=r?e.pointers[Squeak.BlockContext_home]:e,n=n?s.pointers[Squeak.Closure_numArgs]:a.pointers[Squeak.Context_method].methodTempCount(),o=this.decodeSqueakSP(0),u=a.contextSizeWithStack(this)-1,l=o+1,c=l+n-1,h=l+a.pointers[Squeak.Context_method].methodNumArgs()-1,f="",p=o;p<=u;p++){var d="";p===o?d="=rcvr":(p<=c&&(d="=tmp"+(p-l)),p<=h&&(d+="/arg"+(p-l))),f+="\nctx["+p+"]"+d+": "+i(a.pointers[p])}if(r){f+="\n";var s=e.pointers[Squeak.BlockContext_argumentCount],m=this.decodeSqueakSP(1),h=m+s,v=e===this.activeContext?this.sp:e.pointers[Squeak.Context_stackPointer];v<m&&(f+="\nblk <stack empty>");for(p=m;p<=v;p++)f+="\nblk["+p+"]"+(d=p<h?"=arg"+(p-m):"")+": "+i(e.pointers[p])}return f},printActiveContext:function(e){return this.printContext(this.activeContext,e)},printAllProcesses:function(){for(var e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value],t=e.pointers[Squeak.ProcSched_activeProcess],i="Active: "+this.printProcess(t,!0),r=e.pointers[Squeak.ProcSched_processLists].pointers,s=r.length-1;0<=s;s--)for(var n=r[s].pointers[Squeak.LinkedList_firstLink];!n.isNil;)i=(i+="\n------------------------------------------")+"\nRunnable: "+this.printProcess(n),n=n.pointers[Squeak.Link_nextLink];for(var t=this.specialObjects[Squeak.splOb_ClassSemaphore],a=this.image.someInstanceOf(t),o=[];a;){for(n=a.pointers[Squeak.LinkedList_firstLink];!n.isNil;)o.push(n),n=n.pointers[Squeak.Link_nextLink];a=this.image.nextInstanceAfter(a)}o.sort(function(e,t){return t.pointers[Squeak.Proc_priority]-e.pointers[Squeak.Proc_priority]});for(var u=0;u<o.length;u++)i=(i+="\n------------------------------------------")+"\nWaiting: "+this.printProcess(o[u]);return i},printProcess:function(e,t,i){e||(e=this.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value].pointers[Squeak.ProcSched_activeProcess],t=!0);var t=t?this.activeContext:e.pointers[Squeak.Proc_suspendedContext],r=e.pointers[Squeak.Proc_priority],s=this.printStack(t,20,i),i=i&&this.logSends?"":this.printContext(t)+"\n";return e.toString()+" at priority "+r+"\n"+s+i},printByteCodes:function(e,t,i,r){return e=e||this.method,new Squeak.InstructionPrinter(e,this).printInstructions(t,i,r)},logStack:function(){console.log(this.printStack()+this.printActiveContext()+"\n\n"+this.printByteCodes(this.method,"   ","=> ",this.pc),this.activeContext.pointers.slice(0,this.sp+1))},willSendOrReturn:function(){var e,t=this.method.bytes[this.pc];if(this.method.methodSignFlag()){if(96<=t&&t<=127)i=this.specialSelectors[2*(t-96)];else if(128<=t&&t<=175)i=this.method.methodGetSelector(15&t);else if(234==t||235==t)this.method.methodGetSelector(this.method.bytes[this.pc+1]>>3);else if(88<=t&&t<=94)return!0}else{if(120<=t&&t<=125)return!0;if(t<131||200==t)return!1;if(176<=t)return!0;if(t<=134){if(132===t){if(1<this.method.bytes[this.pc+1]>>5)return!1;e=this.method.bytes[this.pc+2]}else e=this.method.bytes[this.pc+1]&(134===t?63:31);var i=this.method.methodGetLiteral(e);if("blockCopy:"!==i.bytesAsString())return!0}}return!1},nextSendSelector:function(){var e,t,i=this.method.bytes[this.pc];if(this.method.methodSignFlag())if(96<=i&&i<=127)e=this.specialSelectors[2*(i-96)];else if(128<=i&&i<=175)e=this.method.methodGetSelector(15&i);else{if(234!=i&&235!=i)return null;this.method.methodGetSelector(this.method.bytes[this.pc+1]>>3)}else{if(i<131||200==i)return null;if(208<=i)e=this.method.methodGetLiteral(15&i);else if(176<=i)e=this.specialSelectors[2*(i-176)];else if(i<=134){if(132===i){if(1<this.method.bytes[this.pc+1]>>5)return null;t=this.method.bytes[this.pc+2]}else t=this.method.bytes[this.pc+1]&(134===i?63:31);e=this.method.methodGetLiteral(t)}}if(e){i=e.bytesAsString();if("blockCopy:"!==i)return i}}}),Object.subclass("Squeak.InterpreterProxy","initialization",{VM_PROXY_MAJOR:1,VM_PROXY_MINOR:11,initialize:function(t){this.vm=t,this.remappableOops=[],Object.defineProperty(this,"successFlag",{get:function(){return t.primHandler.success},set:function(e){t.primHandler.success=e}})},majorVersion:function(){return this.VM_PROXY_MAJOR},minorVersion:function(){return this.VM_PROXY_MINOR}},"success",{failed:function(){return!this.successFlag},primitiveFail:function(){this.successFlag=!1},primitiveFailFor:function(e){this.successFlag=!1},success:function(e){e||(this.successFlag=!1)}},"stack access",{pop:function(e){this.vm.popN(e)},popthenPush:function(e,t){this.vm.popNandPush(e,t)},push:function(e){this.vm.push(e)},pushBool:function(e){this.vm.push(e?this.vm.trueObj:this.vm.falseObj)},pushInteger:function(e){this.vm.push(e)},pushFloat:function(e){this.vm.push(this.floatObjectOf(e))},stackValue:function(e){return this.vm.stackValue(e)},stackIntegerValue:function(e){e=this.vm.stackValue(e);return"number"==typeof e?e:(this.successFlag=!1,0)},stackFloatValue:function(e){this.vm.success=!0;e=this.vm.stackIntOrFloat(e);return this.vm.success?e:(this.successFlag=!1,0)},stackObjectValue:function(e){e=this.vm.stackValue(e);return"number"!=typeof e?e:(this.successFlag=!1,this.vm.nilObj)},stackBytes:function(e){e=this.vm.stackValue(e);return e.bytes||("number"!=typeof e&&e.isBytes()||(this.successFlag=!1),[])},stackWords:function(e){e=this.vm.stackValue(e);return e.words||("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackInt32Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsInt32Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackInt16Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsInt16Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])},stackUint16Array:function(e){e=this.vm.stackValue(e);return e.words?e.wordsAsUint16Array():("number"!=typeof e&&e.isWords()||(this.successFlag=!1),[])}},"object access",{isBytes:function(e){return"number"!=typeof e&&e.isBytes()},isWords:function(e){return"number"!=typeof e&&e.isWords()},isWordsOrBytes:function(e){return"number"!=typeof e&&e.isWordsOrBytes()},isPointers:function(e){return"number"!=typeof e&&e.isPointers()},isIntegerValue:function(e){return"number"==typeof e&&-1073741824<=e&&e<=1073741823},isArray:function(e){return e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassArray]},isMemberOf:function(e,t){var i=e.sqClass.pointers[Squeak.Class_name].bytes;if(t.length!==i.length)return!1;for(var r=0;r<t.length;r++)if(t.charCodeAt(r)!==i[r])return!1;return!0},booleanValueOf:function(e){return!!e.isTrue||(e.isFalse||(this.successFlag=!1),!1)},positive32BitValueOf:function(e){return this.vm.primHandler.positive32BitValueOf(e)},positive32BitIntegerFor:function(e){return this.vm.primHandler.pos32BitIntFor(e)},floatValueOf:function(e){return e.isFloat?e.float:(this.successFlag=!1,0)},floatObjectOf:function(e){return this.vm.primHandler.makeFloat(e)},fetchPointerofObject:function(e,t){return t.pointers[e]},fetchBytesofObject:function(e,t){t=t.pointers[e];return t.bytes||(t.words?t.wordsAsUint8Array():("number"!=typeof t&&t.isWordsOrBytes()||(this.successFlag=!1),[]))},fetchWordsofObject:function(e,t){t=t.pointers[e];return t.words||("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchInt32ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsInt32Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchInt16ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsInt16Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchUint16ArrayofObject:function(e,t){t=t.pointers[e];return t.words?t.wordsAsUint16Array():("number"!=typeof t&&t.isWords()||(this.successFlag=!1),[])},fetchIntegerofObject:function(e,t){t=t.pointers[e];return"number"==typeof t?t:(this.successFlag=!1,0)},fetchLong32ofObject:function(e,t){return t.words[e]},fetchFloatofObject:function(e,t){return this.floatValueOf(t.pointers[e])},storeIntegerofObjectwithValue:function(e,t,i){"number"==typeof i?t.pointers[e]=i:this.successFlag=!1},storePointerofObjectwithValue:function(e,t,i){t.pointers[e]=i},stObjectatput:function(e,t,i){if(e.sqClass!==this.classArray())throw Error("Array expected");if(t<1||t>=e.pointers.length)return this.successFlag=!1;e.pointers[t]=i}},"constant access",{isKindOfInteger:function(e){return"number"==typeof e||e.sqClass==this.classLargeNegativeInteger()||e.sqClass==this.classLargePositiveInteger()},classArray:function(){return this.vm.specialObjects[Squeak.splOb_ClassArray]},classBitmap:function(){return this.vm.specialObjects[Squeak.splOb_ClassBitmap]},classSmallInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassInteger]},classLargePositiveInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassLargePositiveInteger]},classLargeNegativeInteger:function(){return this.vm.specialObjects[Squeak.splOb_ClassLargeNegativeInteger]},classPoint:function(){return this.vm.specialObjects[Squeak.splOb_ClassPoint]},classString:function(){return this.vm.specialObjects[Squeak.splOb_ClassString]},classByteArray:function(){return this.vm.specialObjects[Squeak.splOb_ClassByteArray]},nilObject:function(){return this.vm.nilObj},falseObject:function(){return this.vm.falseObj},trueObject:function(){return this.vm.trueObj}},"vm functions",{clone:function(e){return this.vm.image.clone(e)},instantiateClassindexableSize:function(e,t){return this.vm.instantiateClass(e,t)},methodArgumentCount:function(){return this.argCount},makePointwithxValueyValue:function(e,t){return this.vm.primHandler.makePointWithXandY(e,t)},pushRemappableOop:function(e){this.remappableOops.push(e)},popRemappableOop:function(){return this.remappableOops.pop()},showDisplayBitsLeftTopRightBottom:function(e,t,i,r,s){t<r&&i<s&&this.vm.primHandler.displayDirty(e,{left:t,top:i,right:r,bottom:s})},ioLoadFunctionFrom:function(e,t){return this.vm.primHandler.loadFunctionFrom(e,t)}}),Object.subclass("Squeak.InstructionStream","initialization",{initialize:function(e,t){this.vm=t,this.method=e,this.pc=0,this.specialConstants=[t.trueObj,t.falseObj,t.nilObj,-1,0,1,2]}},"decoding",{interpretNextInstructionFor:function(e){var t=this.method,i=t.bytes[this.pc++],r=i/16|0,s=i%16;if(0==r)return e.pushReceiverVariable(s);if(1==r)return e.pushTemporaryVariable(s);if(2==r)return e.pushConstant(t.methodGetLiteral(s));if(3==r)return e.pushConstant(t.methodGetLiteral(16+s));if(4==r)return e.pushLiteralVariable(t.methodGetLiteral(s));if(5==r)return e.pushLiteralVariable(t.methodGetLiteral(16+s));if(6==r)return s<8?e.popIntoReceiverVariable(s):e.popIntoTemporaryVariable(s-8);if(7==r){if(0==s)return e.pushReceiver();if(s<8)return e.pushConstant(this.specialConstants[s-1]);if(8==s)return e.methodReturnReceiver();if(s<12)return e.methodReturnConstant(this.specialConstants[s-9]);if(12==s)return e.methodReturnTop();if(13==s)return e.blockReturnTop();if(13<s)throw Error("unusedBytecode")}return 8==r?this.interpretExtension(s,t,e):9==r?s<8?e.jump(1+s):e.jumpIf(!1,s-8+1):10==r?(i=this.method.bytes[this.pc++],s<8?e.jump(256*(s-4)+i):e.jumpIf(s<12,256*(3&s)+i)):11==r?e.send(this.vm.specialSelectors[2*s],this.vm.specialSelectors[2*s+1],!1):12==r?e.send(this.vm.specialSelectors[2*(16+s)],this.vm.specialSelectors[2*(16+s)+1],!1):12<r?e.send(t.methodGetLiteral(s),r-13,!1):void 0},interpretExtension:function(e,t,i){if(e<=6){var r=this.method.bytes[this.pc++];if(e<=2){var s=r/64|0,n=r%64;if(0===e){if(0===s)return i.pushReceiverVariable(n);if(1===s)return i.pushTemporaryVariable(n);if(2===s)return i.pushConstant(this.method.methodGetLiteral(n));if(3===s)return i.pushLiteralVariable(this.method.methodGetLiteral(n))}if(1===e){if(0===s)return i.storeIntoReceiverVariable(n);if(1===s)return i.storeIntoTemporaryVariable(n);if(2===s)throw Error("illegalStore");if(3===s)return i.storeIntoLiteralVariable(this.method.methodGetLiteral(n))}if(2===e){if(0===s)return i.popIntoReceiverVariable(n);if(1===s)return i.popIntoTemporaryVariable(n);if(2===s)throw Error("illegalStore");if(3===s)return i.popIntoLiteralVariable(this.method.methodGetLiteral(n))}}if(3===e)return i.send(this.method.methodGetLiteral(r%32),r/32|0,!1);if(4===e){var a=this.method.bytes[this.pc++];if(0===(s=r/32|0))return i.send(this.method.methodGetLiteral(a),r%32,!1);if(1===s)return i.send(this.method.methodGetLiteral(a),r%32,!0);if(2===s)return i.pushReceiverVariable(a);if(3===s)return i.pushConstant(this.method.methodGetLiteral(a));if(4===s)return i.pushLiteralVariable(this.method.methodGetLiteral(a));if(5===s)return i.storeIntoReceiverVariable(a);if(6===s)return i.popIntoReceiverVariable(a);if(7===s)return i.storeIntoLiteralVariable(this.method.methodGetLiteral(a))}if(5===e)return i.send(this.method.methodGetLiteral(31&r),r>>5,!0);if(6===e)return i.send(this.method.methodGetLiteral(63&r),r>>6,!1)}return 7===e?i.doPop():8===e?i.doDup():9===e?i.pushActiveContext():(r=this.method.bytes[this.pc++],10===e?r<128?i.pushNewArray(r):i.popIntoNewArray(r-128):(a=this.method.bytes[this.pc++],11===e?i.callPrimitive(r+256*a):12===e?i.pushRemoteTemp(r,a):13===e?i.storeIntoRemoteTemp(r,a):14===e?i.popIntoRemoteTemp(r,a):(n=this.method.bytes[this.pc++],i.pushClosureCopy(r>>4,15&r,256*a+n))))}}),Squeak.InstructionStream.subclass("Squeak.InstructionStreamSista","decoding",{interpretNextInstructionFor:function(e){return this.interpretNextInstructionExtFor(e,0,0)},interpretNextInstructionExtFor:function(e,t,i){this.Squeak;var r=this.method.bytes[this.pc++];switch(r){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:case 13:case 14:case 15:return e.pushReceiverVariable(15&r);case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:case 24:case 25:case 26:case 27:case 28:case 29:case 30:case 31:return e.pushLiteralVariable(this.method.methodGetLiteral(15&r));case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:case 60:case 61:case 62:case 63:return e.pushConstant(this.method.methodGetLiteral(31&r));case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:return e.pushTemporaryVariable(15&r);case 72:case 73:case 74:case 75:return e.pushTemporaryVariable(8+(3&r));case 76:return e.pushReceiver();case 77:return e.pushConstant(this.vm.trueObj);case 78:return e.pushConstant(this.vm.falseObj);case 79:return e.pushConstant(this.vm.nilObj);case 80:return e.pushConstant(0);case 81:return e.pushConstant(1);case 82:return e.pushActiveContext();case 83:return e.doDup();case 88:return e.methodReturnReceiver();case 89:return e.methodReturnConstant(this.vm.trueObj);case 90:return e.methodReturnConstant(this.vm.falseObj);case 91:return e.methodReturnConstant(this.vm.nilObj);case 92:return e.methodReturnTop();case 93:return e.blockReturnConstant(this.vm.nilObj);case 94:if(0===t)return e.blockReturnTop();break;case 95:return e.nop();case 96:case 97:case 98:case 99:case 100:case 101:case 102:case 103:case 104:case 105:case 106:case 107:case 108:case 109:case 110:case 111:case 112:case 113:case 114:case 115:case 116:case 117:case 118:case 119:case 120:case 121:case 122:case 123:case 124:case 125:case 126:case 127:return e.send(this.vm.specialSelectors[2*(r-96)],this.vm.specialSelectors[2*(r-96)+1],!1);case 128:case 129:case 130:case 131:case 132:case 133:case 134:case 135:case 136:case 137:case 138:case 139:case 140:case 141:case 142:case 143:return e.send(this.method.methodGetLiteral(15&r),0,!1);case 144:case 145:case 146:case 147:case 148:case 149:case 150:case 151:case 152:case 153:case 154:case 155:case 156:case 157:case 158:case 159:return e.send(this.method.methodGetLiteral(15&r),1,!1);case 160:case 161:case 162:case 163:case 164:case 165:case 166:case 167:case 168:case 169:case 170:case 171:case 172:case 173:case 174:case 175:return e.send(this.method.methodGetLiteral(15&r),2,!1);case 176:case 177:case 178:case 179:case 180:case 181:case 182:case 183:return e.jump(1+(7&r));case 184:case 185:case 186:case 187:case 188:case 189:case 190:case 191:return e.jumpIf(!0,1+(7&r));case 192:case 193:case 194:case 195:case 196:case 197:case 198:case 199:return e.jumpIf(!1,1+(7&r));case 200:case 201:case 202:case 203:case 204:case 205:case 206:case 207:return e.popIntoReceiverVariable(7&r);case 208:case 209:case 210:case 211:case 212:case 213:case 214:case 215:return e.popIntoTemporaryVariable(r-208);case 216:return e.doPop()}var s=this.method.bytes[this.pc++];switch(r){case 224:return this.interpretNextInstructionExtFor(e,(t<<8)+s,i);case 225:return this.interpretNextInstructionExtFor(e,t,(i<<8)+(s<128?s:s-256));case 226:return e.pushReceiverVariable(s+(t<<8));case 227:return e.pushLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 228:return e.pushConstant(this.method.methodGetLiteral(s+(t<<8)));case 229:return e.pushTemporaryVariable(s);case 231:return s<128?e.pushNewArray(s):e.popIntoNewArray(s-128);case 232:return e.pushConstant(s+(i<<8));case 233:return e.pushConstant("$"+s+(i<<8));case 234:return e.send(this.method.methodGetSelector((s>>3)+(t<<5)),(7&s)+(i<<3),!1);case 235:var n=this.method.methodGetSelector((s>>3)+(t<<5));return 64<=i?e.sendSuperDirected(n):e.send(n,(7&s)+(i<<3),!0);case 237:return e.jump(s+(i<<8));case 238:return e.jumpIf(!0,s+(i<<8));case 239:return e.jumpIf(!1,s+(i<<8));case 240:return e.popIntoReceiverVariable(s+(t<<8));case 241:return e.popIntoLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 242:return e.popIntoTemporaryVariable(s);case 243:return e.storeIntoReceiverVariable(s+(t<<8));case 244:return e.storeIntoLiteralVariable(this.method.methodGetLiteral(s+(t<<8)));case 245:return e.storeIntoTemporaryVariable(s)}var a=this.method.bytes[this.pc++];switch(r){case 248:return e.callPrimitive(s+(a<<8));case 249:var o=s+(t<<8),u=63&a,l=this.method.methodGetLiteral(o);return e.pushFullClosure(o,u,l.methodNumArgs());case 250:o=(7&s)+8*this.mod(t,16),u=(s>>3&7)+8*this.div(t,16);return e.pushClosureCopy(u,o,a+(i<<8));case 251:return e.pushRemoteTemp(s,a);case 252:return e.storeIntoRemoteTemp(s,a);case 253:return e.popIntoRemoteTemp(s,a)}throw Error("Unknown bytecode: "+r)}}),Object.subclass("Squeak.InstructionPrinter","initialization",{initialize:function(e,t){this.method=e,this.vm=t}},"printing",{printInstructions:function(e,t,i){this.indent=e,this.highlight=t,this.highlightPC=i,this.innerIndents={},this.result="",this.scanner=new(this.method.methodSignFlag()?Squeak.InstructionStreamSista:Squeak.InstructionStream)(this.method,this.vm),this.oldPC=this.scanner.pc,this.endPC=0,this.done=!1;try{for(;!this.done;)this.scanner.interpretNextInstructionFor(this)}catch(e){this.print("!!! "+e.message)}return this.result},print:function(e){this.oldPC===this.highlightPC?this.highlight&&(this.result+=this.highlight):this.indent&&(this.result+=this.indent),this.result+=this.oldPC;for(var t=0;t<this.innerIndents[this.oldPC];t++)this.result+="   ";this.result+=" <";for(t=this.oldPC;t<this.scanner.pc;t++)t>this.oldPC&&(this.result+=" "),this.result+=(this.method.bytes[t]+256).toString(16).substr(-2).toUpperCase();this.result+="> "+e+"\n",this.oldPC=this.scanner.pc}},"decoding",{blockReturnConstant:function(e){this.print("blockReturn: "+e.toString())},blockReturnTop:function(){this.print("blockReturn")},doDup:function(){this.print("dup")},doPop:function(){this.print("pop")},jump:function(e){this.print("jumpTo: "+(this.scanner.pc+e)),this.scanner.pc+e>this.endPC&&(this.endPC=this.scanner.pc+e)},jumpIf:function(e,t){this.print((e?"jumpIfTrue: ":"jumpIfFalse: ")+(this.scanner.pc+t)),this.scanner.pc+t>this.endPC&&(this.endPC=this.scanner.pc+t)},methodReturnReceiver:function(){this.print("return: receiver"),this.done=this.scanner.pc>this.endPC},methodReturnTop:function(){this.print("return: topOfStack"),this.done=this.scanner.pc>this.endPC},methodReturnConstant:function(e){this.print("returnConst: "+e.toString()),this.done=this.scanner.pc>this.endPC},nop:function(){this.print("nop")},popIntoLiteralVariable:function(e){this.print("popIntoBinding: "+e.assnKeyAsString())},popIntoReceiverVariable:function(e){this.print("popIntoInstVar: "+e)},popIntoTemporaryVariable:function(e){this.print("popIntoTemp: "+e)},pushActiveContext:function(){this.print("push: thisContext")},pushConstant:function(e){e=e.sqInstName?e.sqInstName():e.toString();this.print("pushConst: "+e)},pushLiteralVariable:function(e){this.print("pushBinding: "+e.assnKeyAsString())},pushReceiver:function(){this.print("push: self")},pushReceiverVariable:function(e){this.print("pushInstVar: "+e)},pushTemporaryVariable:function(e){this.print("pushTemp: "+e)},send:function(e,t,i){this.print((i?"superSend: #":"send: #")+(e.bytesAsString?e.bytesAsString():e))},sendSuperDirected:function(e){this.print("directedSuperSend: #"+(e.bytesAsString?e.bytesAsString():e))},storeIntoLiteralVariable:function(e){this.print("storeIntoBinding: "+e.assnKeyAsString())},storeIntoReceiverVariable:function(e){this.print("storeIntoInstVar: "+e)},storeIntoTemporaryVariable:function(e){this.print("storeIntoTemp: "+e)},pushNewArray:function(e){this.print("push: (Array new: "+e+")")},popIntoNewArray:function(e){this.print("pop: "+e+" into: (Array new: "+e+")")},pushRemoteTemp:function(e,t){this.print("push: "+e+" ofTemp: "+t)},storeIntoRemoteTemp:function(e,t){this.print("storeInto: "+e+" ofTemp: "+t)},popIntoRemoteTemp:function(e,t){this.print("popInto: "+e+" ofTemp: "+t)},pushClosureCopy:function(e,t,i){var r=this.scanner.pc,s=r+i;this.print("closure("+r+"-"+(s-1)+"): "+e+" copied, "+t+" args");for(var n=r;n<s;n++)this.innerIndents[n]=(this.innerIndents[n]||0)+1;s>this.endPC&&(this.endPC=s)},pushFullClosure:function(e,t,i){this.print("pushFullClosure: (self literalAt: "+e+") numCopied: "+t+" numArgs: "+i)},callPrimitive:function(e){this.print("primitive: "+e)}}),Object.subclass("Squeak.Primitives","initialization",{initialize:function(e,t){this.vm=e,this.oldPrims=!this.vm.image.hasClosures,this.allowAccessBeyondSP=this.oldPrims,this.deferDisplayUpdates=!1,this.semaphoresToSignal=[],this.initDisplay(t),this.initAtCache(),this.initModules(),this.initPlugins(),e.image.isSpur&&(this.charFromInt=this.charFromIntSpur,this.charToInt=this.charToIntSpur,this.identityHash=this.identityHashSpur)},initDisplay:function(e){this.display=e},initModules:function(){this.loadedModules={},this.builtinModules={},this.patchModules={},this.interpreterProxy=new Squeak.InterpreterProxy(this.vm)},initPlugins:function(){}},"dispatch",{quickSendOther:function(e,t){switch(this.success=!0,t){case 0:return this.popNandPushIfOK(2,this.objectAt(!0,!0,!1));case 1:return this.popNandPushIfOK(3,this.objectAtPut(!0,!0,!1));case 2:return this.popNandPushIfOK(1,this.objectSize(!0));case 6:return this.popNandPushBoolIfOK(2,this.vm.stackValue(1)===this.vm.stackValue(0));case 7:return this.popNandPushIfOK(1,this.vm.getClass(this.vm.top()));case 8:return this.popNandPushIfOK(2,this.doBlockCopy());case 9:return this.primitiveBlockValue(0);case 10:return this.primitiveBlockValue(1)}return!1},doPrimitive:function(e,t,i){switch(this.success=!0,e){case 1:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)+this.stackInteger(0));case 2:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)-this.stackInteger(0));case 3:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)<this.stackInteger(0));case 4:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)>this.stackInteger(0));case 5:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)<=this.stackInteger(0));case 6:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)>=this.stackInteger(0));case 7:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)===this.stackInteger(0));case 8:return this.popNandPushBoolIfOK(t+1,this.stackInteger(1)!==this.stackInteger(0));case 9:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)*this.stackInteger(0));case 10:return this.popNandPushIntIfOK(t+1,this.vm.quickDivide(this.stackInteger(1),this.stackInteger(0)));case 11:return this.popNandPushIntIfOK(t+1,this.vm.mod(this.stackInteger(1),this.stackInteger(0)));case 12:return this.popNandPushIntIfOK(t+1,this.vm.div(this.stackInteger(1),this.stackInteger(0)));case 13:return this.popNandPushIntIfOK(t+1,this.stackInteger(1)/this.stackInteger(0)|0);case 14:return this.popNandPushIfOK(t+1,this.doBitAnd());case 15:return this.popNandPushIfOK(t+1,this.doBitOr());case 16:return this.popNandPushIfOK(t+1,this.doBitXor());case 17:return this.popNandPushIfOK(t+1,this.doBitShift());case 18:return this.primitiveMakePoint(t,!1);case 19:return!1;case 20:return this.vm.warnOnce("missing primitive: 20 (primitiveRemLargeIntegers)"),!1;case 21:return this.vm.warnOnce("missing primitive: 21 (primitiveAddLargeIntegers)"),!1;case 22:return this.vm.warnOnce("missing primitive: 22 (primitiveSubtractLargeIntegers)"),!1;case 23:return this.primitiveLessThanLargeIntegers(t);case 24:return this.primitiveGreaterThanLargeIntegers(t);case 25:return this.primitiveLessOrEqualLargeIntegers(t);case 26:return this.primitiveGreaterOrEqualLargeIntegers(t);case 27:return this.primitiveEqualLargeIntegers(t);case 28:return this.primitiveNotEqualLargeIntegers(t);case 29:return this.vm.warnOnce("missing primitive: 29 (primitiveMultiplyLargeIntegers)"),!1;case 30:return this.vm.warnOnce("missing primitive: 30 (primitiveDivideLargeIntegers)"),!1;case 31:return this.vm.warnOnce("missing primitive: 31 (primitiveModLargeIntegers)"),!1;case 32:return this.vm.warnOnce("missing primitive: 32 (primitiveDivLargeIntegers)"),!1;case 33:return this.vm.warnOnce("missing primitive: 33 (primitiveQuoLargeIntegers)"),!1;case 34:return this.vm.warnOnce("missing primitive: 34 (primitiveBitAndLargeIntegers)"),!1;case 35:return this.vm.warnOnce("missing primitive: 35 (primitiveBitOrLargeIntegers)"),!1;case 36:return this.vm.warnOnce("missing primitive: 36 (primitiveBitXorLargeIntegers)"),!1;case 37:return this.vm.warnOnce("missing primitive: 37 (primitiveBitShiftLargeIntegers)"),!1;case 38:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 39:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 40:return this.popNandPushFloatIfOK(t+1,this.stackInteger(0));case 41:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)+this.stackFloat(0));case 42:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)-this.stackFloat(0));case 43:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)<this.stackFloat(0));case 44:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)>this.stackFloat(0));case 45:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)<=this.stackFloat(0));case 46:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)>=this.stackFloat(0));case 47:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)===this.stackFloat(0));case 48:return this.popNandPushBoolIfOK(t+1,this.stackFloat(1)!==this.stackFloat(0));case 49:return this.popNandPushFloatIfOK(t+1,this.stackFloat(1)*this.stackFloat(0));case 50:return this.popNandPushFloatIfOK(t+1,this.safeFDiv(this.stackFloat(1),this.stackFloat(0)));case 51:return this.popNandPushIfOK(t+1,this.floatAsSmallInt(this.stackFloat(0)));case 52:return this.popNandPushFloatIfOK(t+1,this.floatFractionPart(this.stackFloat(0)));case 53:return this.popNandPushIntIfOK(t+1,this.frexp_exponent(this.stackFloat(0))-1);case 54:return this.popNandPushFloatIfOK(t+1,this.ldexp(this.stackFloat(1),this.stackFloat(0)));case 55:return this.popNandPushFloatIfOK(t+1,Math.sqrt(this.stackFloat(0)));case 56:return this.popNandPushFloatIfOK(t+1,Math.sin(this.stackFloat(0)));case 57:return this.popNandPushFloatIfOK(t+1,Math.atan(this.stackFloat(0)));case 58:return this.popNandPushFloatIfOK(t+1,Math.log(this.stackFloat(0)));case 59:return this.popNandPushFloatIfOK(t+1,Math.exp(this.stackFloat(0)));case 60:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 61:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 62:return this.popNandPushIfOK(t+1,this.objectSize(!1));case 63:return this.popNandPushIfOK(t+1,this.objectAt(!1,!0,!1));case 64:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!0,!1));case 65:return this.vm.warnOnce("missing primitive: 65 (primitiveNext)"),!1;case 66:return this.vm.warnOnce("missing primitive: 66 (primitiveNextPut)"),!1;case 67:return this.vm.warnOnce("missing primitive: 67 (primitiveAtEnd)"),!1;case 68:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 69:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 70:return this.popNandPushIfOK(t+1,this.instantiateClass(this.stackNonInteger(0),0));case 71:return this.popNandPushIfOK(t+1,this.instantiateClass(this.stackNonInteger(1),this.stackPos32BitInt(0)));case 72:return this.primitiveArrayBecome(t,!1,!0);case 73:return this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 74:return this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 75:return this.popNandPushIfOK(t+1,this.identityHash(this.stackNonInteger(0)));case 76:return this.primitiveStoreStackp(t);case 77:return this.popNandPushIfOK(t+1,this.someInstanceOf(this.stackNonInteger(0)));case 78:return this.popNandPushIfOK(t+1,this.nextInstanceAfter(this.stackNonInteger(0)));case 79:return this.primitiveNewMethod(t);case 80:return this.popNandPushIfOK(t+1,this.doBlockCopy());case 81:return this.primitiveBlockValue(t);case 82:return this.primitiveBlockValueWithArgs(t);case 83:return this.vm.primitivePerform(t);case 84:return this.vm.primitivePerformWithArgs(t,!1);case 85:return this.primitiveSignal();case 86:return this.primitiveWait();case 87:return this.primitiveResume();case 88:return this.primitiveSuspend();case 89:return this.vm.flushMethodCache();case 90:return this.primitiveMousePoint(t);case 91:return this.primitiveTestDisplayDepth(t);case 92:return this.vm.warnOnce("missing primitive: 92 (primitiveSetDisplayMode)"),!1;case 93:return this.primitiveInputSemaphore(t);case 94:return this.primitiveGetNextEvent(t);case 95:return this.primitiveInputWord(t);case 96:return this.namedPrimitive("BitBltPlugin","primitiveCopyBits",t);case 97:return this.primitiveSnapshot(t);case 98:return this.primitiveStoreImageSegment(t);case 99:return this.primitiveLoadImageSegment(t);case 100:return this.vm.primitivePerformWithArgs(t,!0);case 101:return this.primitiveBeCursor(t);case 102:return this.primitiveBeDisplay(t);case 103:return this.primitiveScanCharacters(t);case 104:return this.vm.warnOnce("missing primitive: 104 (primitiveDrawLoop)"),!1;case 105:return this.popNandPushIfOK(t+1,this.doStringReplace());case 106:return this.primitiveScreenSize(t);case 107:return this.primitiveMouseButtons(t);case 108:return this.primitiveKeyboardNext(t);case 109:return this.primitiveKeyboardPeek(t);case 110:return this.popNandPushBoolIfOK(t+1,this.vm.stackValue(1)===this.vm.stackValue(0));case 111:return this.popNandPushIfOK(t+1,this.vm.getClass(this.vm.top()));case 112:return this.popNandPushIfOK(t+1,this.vm.image.bytesLeft());case 113:return this.primitiveQuit(t);case 114:return this.primitiveExitToDebugger(t);case 115:return this.primitiveChangeClass(t);case 116:return this.vm.flushMethodCacheForMethod(this.vm.top());case 117:return this.doNamedPrimitive(t,i);case 118:return this.primitiveDoPrimitiveWithArgs(t);case 119:return this.vm.flushMethodCacheForSelector(this.vm.top());case 120:return this.primitiveCalloutToFFI(t,i);case 121:return this.primitiveImageName(t);case 122:return this.primitiveReverseDisplay(t);case 123:return this.vm.warnOnce("missing primitive: 123 (primitiveValueUninterruptably)"),!1;case 124:return this.popNandPushIfOK(t+1,this.registerSemaphore(Squeak.splOb_TheLowSpaceSemaphore));case 125:return this.popNandPushIfOK(t+1,this.setLowSpaceThreshold());case 126:return this.primitiveDeferDisplayUpdates(t);case 127:return this.primitiveShowDisplayRect(t);case 128:return this.primitiveArrayBecome(t,!0,!0);case 129:return this.popNandPushIfOK(t+1,this.vm.image.specialObjectsArray);case 130:return this.primitiveFullGC(t);case 131:return this.primitivePartialGC(t);case 132:return this.popNandPushBoolIfOK(t+1,this.pointsTo(this.stackNonInteger(1),this.vm.top()));case 133:return this.popNIfOK(t);case 134:return this.popNandPushIfOK(t+1,this.registerSemaphore(Squeak.splOb_TheInterruptSemaphore));case 135:return this.popNandPushIfOK(t+1,this.millisecondClockValue());case 136:return this.primitiveSignalAtMilliseconds(t);case 137:return this.popNandPushIfOK(t+1,this.secondClock());case 138:return this.popNandPushIfOK(t+1,this.someObject());case 139:return this.popNandPushIfOK(t+1,this.nextObject(this.vm.top()));case 140:return this.primitiveBeep(t);case 141:return this.primitiveClipboardText(t);case 142:return this.popNandPushIfOK(t+1,this.makeStString(this.filenameToSqueak(Squeak.vmPath)));case 143:case 144:return this.primitiveShortAtAndPut(t);case 145:return this.primitiveConstantFill(t);case 146:return this.namedPrimitive("JoystickTabletPlugin","primitiveReadJoystick",t);case 147:return this.namedPrimitive("BitBltPlugin","primitiveWarpBits",t);case 148:return this.popNandPushIfOK(t+1,this.vm.image.clone(this.vm.top()));case 149:return this.primitiveGetAttribute(t);case 150:if(this.oldPrims)return this.primitiveFileAtEnd(t);case 151:if(this.oldPrims)return this.primitiveFileClose(t);case 152:if(this.oldPrims)return this.primitiveFileGetPosition(t);case 153:if(this.oldPrims)return this.primitiveFileOpen(t);case 154:if(this.oldPrims)return this.primitiveFileRead(t);case 155:if(this.oldPrims)return this.primitiveFileSetPosition(t);case 156:if(this.oldPrims)return this.primitiveFileDelete(t);case 157:if(this.oldPrims)return this.primitiveFileSize(t);break;case 158:return this.oldPrims?this.primitiveFileWrite(t):(this.vm.warnOnce("missing primitive: 158 (primitiveCompareWith)"),!1);case 159:return this.oldPrims?this.primitiveFileRename(t):this.popNandPushIntIfOK(t+1,1664525*this.stackSigned53BitInt(0)&268435455);case 160:return this.oldPrims?this.primitiveDirectoryCreate(t):this.primitiveAdoptInstance(t);case 161:return this.oldPrims?this.primitiveDirectoryDelimitor(t):(this.vm.warnOnce("missing primitive: 161 (primitiveSetIdentityHash)"),!1);case 162:if(this.oldPrims)return this.primitiveDirectoryLookup(t);break;case 163:return this.oldPrims?this.primitiveDirectoryDelete(t):(this.vm.warnOnce("missing primitive: 163 (primitiveGetImmutability)"),!1);case 164:return this.popNandPushIfOK(t+1,this.vm.trueObj);case 165:case 166:return this.primitiveIntegerAtAndPut(t);case 167:return!1;case 168:return this.primitiveCopyObject(t);case 169:return this.oldPrims?this.primitiveDirectorySetMacTypeAndCreator(t):this.popNandPushBoolIfOK(t+1,this.vm.stackValue(1)!==this.vm.stackValue(0));case 170:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStart",t):this.primitiveAsCharacter(t);case 171:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStartWithSemaphore",t):this.popNandPushIfOK(t+1,this.stackNonInteger(0).hash);case 172:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundStop",t):(this.vm.warnOnce("missing primitive: 172 (primitiveFetchMourner)"),this.popNandPushIfOK(t,this.vm.nilObj));case 173:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundAvailableSpace",t):this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!0));case 174:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundPlaySamples",t):this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!0));case 175:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundPlaySilence",t):this.vm.image.isSpur?this.popNandPushIfOK(t+1,this.behaviorHash(this.stackNonInteger(0))):(this.vm.warnOnce("primitive 175 called in non-spur image"),this.popNandPushIfOK(t+1,this.identityHash(this.stackNonInteger(0))));case 176:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primWaveTableSoundmixSampleCountintostartingAtpan",t):this.popNandPushIfOK(t+1,this.vm.image.isSpur?4194303:4095);case 177:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primFMSoundmixSampleCountintostartingAtpan",t):this.popNandPushIfOK(t+1,this.allInstancesOf(this.stackNonInteger(0)));case 178:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primPluckedSoundmixSampleCountintostartingAtpan",t):!1;case 179:if(this.oldPrims)return this.namedPrimitive("SoundGenerationPlugin","primSampledSoundmixSampleCountintostartingAtpan",t);break;case 180:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixFMSound",t):!1;case 181:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixPluckedSound",t):this.primitiveSizeInBytesOfInstance(t);case 182:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","oldprimSampledSoundmixSampleCountintostartingAtleftVolrightVol",t):this.primitiveSizeInBytes(t);case 183:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveApplyReverb",t):this.primitiveIsPinned(t);case 184:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixLoopedSampledSound",t):this.primitivePin(t);case 185:return this.oldPrims?this.namedPrimitive("SoundGenerationPlugin","primitiveMixSampledSound",t):this.primitiveExitCriticalSection(t);case 186:if(this.oldPrims)break;return this.primitiveEnterCriticalSection(t);case 187:if(this.oldPrims)break;return this.primitiveTestAndSetOwnershipOfCriticalSection(t);case 188:if(this.oldPrims)break;return this.primitiveExecuteMethodArgsArray(t);case 189:return this.oldPrims?this.namedPrimitive("SoundPlugin","primitiveSoundInsertSamples",t):!1;case 190:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundStartRecording",t);case 191:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundStopRecording",t);case 192:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundGetRecordingSampleRate",t);case 193:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundRecordSamples",t);case 194:if(this.oldPrims)return this.namedPrimitive("SoundPlugin","primitiveSoundSetRecordLevel",t);break;case 195:case 196:case 197:case 198:case 199:return!1;case 200:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveInitializeNetwork",t):this.primitiveClosureCopyWithCopiedValues(t);case 201:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStartNameLookup",t):this.primitiveClosureValue(t);case 202:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverNameLookupResult",t):this.primitiveClosureValue(t);case 203:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStartAddressLookup",t):this.primitiveClosureValue(t);case 204:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverAddressLookupResult",t):this.primitiveClosureValue(t);case 205:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverAbortLookup",t):this.primitiveClosureValue(t);case 206:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverLocalAddress",t):this.primitiveClosureValueWithArgs(t);case 207:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverStatus",t):this.primitiveFullClosureValue(t);case 208:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveResolverError",t):this.primitiveFullClosureValueWithArgs(t);case 209:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketCreate",t):this.primitiveFullClosureValueNoContextSwitch(t);case 210:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketDestroy",t):this.popNandPushIfOK(t+1,this.objectAt(!1,!1,!1));case 211:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketConnectionStatus",t):this.popNandPushIfOK(t+1,this.objectAtPut(!1,!1,!1));case 212:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketError",t):this.popNandPushIfOK(t+1,this.objectSize(!1));case 213:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketLocalAddress",t);case 214:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketLocalPort",t);case 215:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketRemoteAddress",t);case 216:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketRemotePort",t);case 217:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketConnectToPort",t);case 218:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketListenWithOrWithoutBacklog",t):(this.vm.warnOnce("missing primitive: 218 (tryNamedPrimitiveInForWithArgs"),!1);case 219:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketCloseConnection",t);case 220:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketAbortConnection",t);break;case 221:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketReceiveDataBufCount",t):this.primitiveClosureValueNoContextSwitch(t);case 222:return this.oldPrims?this.namedPrimitive("SocketPlugin","primitiveSocketReceiveDataAvailable",t):this.primitiveClosureValueNoContextSwitch(t);case 223:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketSendDataBufCount",t);case 224:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketSendDone",t);case 225:if(this.oldPrims)return this.namedPrimitive("SocketPlugin","primitiveSocketAccept",t);break;case 230:return this.primitiveRelinquishProcessorForMicroseconds(t);case 231:return this.primitiveForceDisplayUpdate(t);case 232:return this.vm.warnOnce("missing primitive: 232 (primitiveFormPrint)"),!1;case 233:return this.primitiveSetFullScreen(t);case 234:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveDecompressFromByteArray",t);case 235:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveCompareString",t);case 236:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveConvert8BitSigned",t);case 237:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveCompressToByteArray",t);case 238:if(this.oldPrims)return this.namedPrimitive("SerialPlugin","primitiveSerialPortOpen",t);case 239:if(this.oldPrims)return this.namedPrimitive("SerialPlugin","primitiveSerialPortClose",t);break;case 240:return this.oldPrims?this.namedPrimitive("SerialPlugin","primitiveSerialPortWrite",t):this.popNandPushIfOK(t+1,this.microsecondClockUTC());case 241:return this.oldPrims?this.namedPrimitive("SerialPlugin","primitiveSerialPortRead",t):this.popNandPushIfOK(t+1,this.microsecondClockLocal());case 242:if(this.oldPrims)break;return this.primitiveSignalAtUTCMicroseconds(t);case 243:return this.oldPrims?this.namedPrimitive("MiscPrimitivePlugin","primitiveTranslateStringWithTable",t):(this.vm.warnOnce("missing primitive: 243 (primitiveUpdateTimeZone)"),!1);case 244:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveFindFirstInString",t);case 245:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveIndexOfAsciiInString",t);case 246:if(this.oldPrims)return this.namedPrimitive("MiscPrimitivePlugin","primitiveFindSubstring",t);break;case 248:return this.primitiveArrayBecome(t,!1,!1);case 249:return this.primitiveArrayBecome(t,!1,!0);case 254:return this.primitiveVMParameter(t);case 521:return this.namedPrimitive("MIDIPlugin","primitiveMIDIClosePort",t);case 522:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetClock",t);case 523:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortCount",t);case 524:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortDirectionality",t);case 525:return this.namedPrimitive("MIDIPlugin","primitiveMIDIGetPortName",t);case 526:return this.namedPrimitive("MIDIPlugin","primitiveMIDIOpenPort",t);case 527:return this.namedPrimitive("MIDIPlugin","primitiveMIDIParameterGetOrSet",t);case 528:return this.namedPrimitive("MIDIPlugin","primitiveMIDIRead",t);case 529:return this.namedPrimitive("MIDIPlugin","primitiveMIDIWrite",t);case 550:return this.namedPrimitive("ADPCMCodecPlugin","primitiveDecodeMono",t);case 551:return this.namedPrimitive("ADPCMCodecPlugin","primitiveDecodeStereo",t);case 552:return this.namedPrimitive("ADPCMCodecPlugin","primitiveEncodeMono",t);case 553:return this.namedPrimitive("ADPCMCodecPlugin","primitiveEncodeStereo",t);case 571:return this.primitiveUnloadModule(t);case 572:return this.primitiveListBuiltinModule(t);case 573:return this.primitiveListLoadedModule(t);case 575:return this.vm.warnOnce("missing primitive: 575 (primitiveHighBit)"),!1;case 576:return this.vm.primitiveInvokeObjectAsMethod(t,i);case 578:return this.vm.warnOnce("missing primitive: 578 (primitiveSuspendAndBackupPC)"),!1}return console.error("primitive "+e+" not implemented yet"),!1},namedPrimitive:function(e,t,i){var r,s=""===e?this:this.loadedModules[e],n=(void 0===s&&(s=this.loadModule(e),this.loadedModules[e]=s),!1),a=this.vm.sp;return s?(this.interpreterProxy.argCount=i,"function"==typeof(r=s[this.interpreterProxy.primitiveName=t])?n=s[t](i):"string"==typeof r?n=this[r](i):this.vm.warnOnce("missing primitive: "+e+"."+t)):this.vm.warnOnce("missing module: "+e+" ("+t+")"),(!0===n||!1!==n&&this.success)&&this.vm.sp!==a-i&&!this.vm.frozen&&this.vm.warnOnce("stack unbalanced after primitive "+e+"."+t,"error"),!0===n||!1===n?n:this.success},doNamedPrimitive:function(e,t){if(t.pointersSize()<2)return!1;var i=t.pointers[1];if(4!==i.pointersSize())return!1;this.primMethod=t;t=i.pointers[0].bytesAsString(),i=i.pointers[1].bytesAsString();return this.namedPrimitive(t,i,e)},fakePrimitive:function(e,t,i){return this.vm.warnOnce("faking primitive: "+e),void 0===t?this.vm.popN(i):this.vm.popNandPush(i+1,this.makeStObject(t)),!0}},"modules",{loadModule:function(e){var t,i=Squeak.externalModules[e]||this.builtinModules[e]||this.loadModuleDynamically(e);return i?(this.patchModules[e]&&this.patchModule(i,e),i.setInterpreter&&!i.setInterpreter(this.interpreterProxy)?(console.log("Wrong interpreter proxy version: "+e),null):("function"==typeof(t=i.initialiseModule)?i.initialiseModule():"string"==typeof t&&this[t](),this.interpreterProxy.failed()?(console.log("Module initialization failed: "+e),null):(i.getModuleName&&(e=i.getModuleName()),console.log("Loaded module: "+e),i))):null},loadModuleDynamically:function(e){},patchModule:function(e,t){var i,r=this.patchModules[t];for(i in r)e[i]=r[i]},unloadModule:function(e){var t=this.loadedModules[e];if(!e||!t||t===this)return null;delete this.loadedModules[e];var i=t.unloadModule;return"function"==typeof i?t.unloadModule(this):"string"==typeof i&&this[i](this),console.log("Unloaded module: "+e),t},loadFunctionFrom:function(e,t){var i=""===t?this:this.loadedModules[t];if(void 0===i&&(i=this.loadModule(t),this.loadedModules[t]=i),i){var r=i[e];if("function"==typeof r)return r.bind(i);if("string"==typeof r)return this[r].bind(this);this.vm.warnOnce("missing primitive: "+t+"."+e)}return null},primitiveUnloadModule:function(e){var t=this.stackNonInteger(0).bytesAsString();return!!t&&(this.unloadModule(t),this.popNIfOK(e))},primitiveListBuiltinModule:function(e){var t,i=this.stackInteger(0)-1;return!!this.success&&(t=Object.keys(this.builtinModules),this.popNandPushIfOK(e+1,this.makeStObject(t[i])))},primitiveListLoadedModule:function(e){var t=this.stackInteger(0)-1;if(!this.success)return!1;var i,r=[];for(i in this.loadedModules){var s=this.loadedModules[i];s&&(s=s.getModuleName?s.getModuleName():i,r.push(s))}return this.popNandPushIfOK(e+1,this.makeStObject(r[t]))}},"stack 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t=e<0,i=t?-e:e,e=t?Squeak.splOb_ClassLargeNegativeInteger:Squeak.splOb_ClassLargePositiveInteger,t=this.vm.instantiateClass(this.vm.specialObjects[e],4),r=t.bytes,s=0;s<4;s++)r[s]=i>>>8*s&255;return t},stackFloat:function(e){return this.checkFloat(this.vm.stackValue(e))},stackBoolean:function(e){return this.checkBoolean(this.vm.stackValue(e))},stackSigned53BitInt:function(e){e=this.vm.stackValue(e);if("number"==typeof e)return e;var t=e.bytesSize();if(t<=7){for(var i=e.bytes,r=0,s=0,n=1;s<t;s++,n*=256)r+=i[s]*n;if(r<=9007199254740991){if(this.isA(e,Squeak.splOb_ClassLargePositiveInteger))return r;if(this.isA(e,Squeak.splOb_ClassLargeNegativeInteger))return-r}}return this.success=!1,0}},"numbers",{doBitAnd:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e&t):0},doBitOr:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e|t):0},doBitXor:function(){var e=this.stackPos32BitInt(1),t=this.stackPos32BitInt(0);return this.success?this.pos32BitIntFor(e^t):0},doBitShift:function(){var e=this.stackPos32BitInt(1),t=this.stackInteger(0);if(this.success){if(0<this.vm.safeShift(e,t))return this.pos32BitIntFor(this.vm.safeShift(e,t));this.success=!1}return 0},safeFDiv:function(e,t){return 0===t?(this.success=!1,1):e/t},floatAsSmallInt:function(e){e=0<=e?Math.floor(e):Math.ceil(e);return this.ensureSmallInt(e)},floatFractionPart:function(e){return-9007199254740991<=e&&e<=9007199254740991?e-Math.floor(e):(this.success=!1,0)},frexp_exponent:function(e){var t,i;return 0==e?0:((t=new DataView(new ArrayBuffer(8))).setFloat64(0,e),0===(i=t.getUint32(0)>>>20&2047)&&(t.setFloat64(0,e*Math.pow(2,64)),i=(t.getUint32(0)>>>20&2047)-64),i-1022)},ldexp:function(e,t){for(var i=Math.min(3,Math.ceil(Math.abs(t)/1023)),r=e,s=0;s<i;s++)r*=Math.pow(2,Math.floor((t+s)/i));return r},primitiveLessThanLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)<this.stackSigned53BitInt(0))},primitiveGreaterThanLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)>this.stackSigned53BitInt(0))},primitiveLessOrEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)<=this.stackSigned53BitInt(0))},primitiveGreaterOrEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)>=this.stackSigned53BitInt(0))},primitiveEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)===this.stackSigned53BitInt(0))},primitiveNotEqualLargeIntegers:function(e){return this.popNandPushBoolIfOK(e+1,this.stackSigned53BitInt(1)!==this.stackSigned53BitInt(0))}},"utils",{floatOrInt:function(e){return e.isFloat?e.float:"number"==typeof e?e:0},positive32BitValueOf:function(e){if("number"==typeof e)return 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t,i=this.vm.specialObjects[Squeak.splOb_CharacterTable].pointers[e];return i||(t=this.vm.specialObjects[Squeak.splOb_ClassCharacter],(i=this.vm.instantiateClass(t,0)).pointers[0]=e),i},charFromIntSpur:function(e){return this.vm.image.getCharacter(e)},charToInt:function(e){return e.pointers[0]},charToIntSpur:function(e){return e.hash},makeFloat:function(e){var t=this.vm.specialObjects[Squeak.splOb_ClassFloat],t=this.vm.instantiateClass(t,2);return t.float=e,t},makeLargeIfNeeded:function(e){return this.vm.canBeSmallInt(e)?e:this.makeLargeInt(e)},makeLargeInt:function(e){if(e<0)throw Error("negative large ints not implemented yet");if(4294967295<e)throw Error("large large ints not implemented yet");return this.pos32BitIntFor(e)},makePointWithXandY:function(e,t){var i=this.vm.specialObjects[Squeak.splOb_ClassPoint],i=this.vm.instantiateClass(i,0);return i.pointers[Squeak.Point_x]=e,i.pointers[Squeak.Point_y]=t,i},makeStArray:function(e,t){for(var i=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassArray],e.length),r=0;r<e.length;r++)i.pointers[r]=this.makeStObject(e[r],t);return i},makeStByteArray:function(e){for(var t=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassByteArray],e.length),i=0;i<e.length;i++)t.bytes[i]=255&e[i];return t},makeStString:function(e){for(var t=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassString],e.length),i=0;i<e.length;++i)t.bytes[i]=255&e.charCodeAt(i);return t},makeStObject:function(e,t){if(null==e)return this.vm.nilObj;if(!0===e)return this.vm.trueObj;if(!1===e)return this.vm.falseObj;if(e.sqClass)return e;if("number"==typeof e)return e===(0|e)?this.makeLargeIfNeeded(e):this.makeFloat(e);if(t)return(t=this.vm.instantiateClass(t,0)).jsObject=e,t;if("string"==typeof e||"Uint8Array"===e.constructor.name)return this.makeStString(e);if("Array"===e.constructor.name)return this.makeStArray(e);throw Error("cannot make smalltalk 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t,i=this.stackNonInteger(1),r=this.stackBoolean(0);return!!this.success&&(t=i.pinned,i.pinned=r,this.popNandPushIfOK(e+1,this.makeStObject(!!t)))},primitiveIsPinned:function(e){var t=this.stackNonInteger(0);return!!this.success&&this.popNandPushIfOK(e+1,this.makeStObject(!!t.pinned))},primitiveSizeInBytesOfInstance:function(e){var t,i;return!(1<e)&&(i=this.stackNonInteger(e),t=e?this.stackInteger(0):0,i=i.classByteSizeOfInstance(t),this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(i)))},primitiveSizeInBytes:function(e){var t=this.stackNonInteger(0).totalBytes();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitiveAsCharacter:function(e){var t=this.stackInteger(0);return!(t<0||1073741823<t||!(t=this.charFromInt(t)))&&this.popNandPushIfOK(e+1,t)},primitiveFullGC:function(e){this.vm.image.fullGC("primitive");var t=this.vm.image.bytesLeft();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitivePartialGC:function(e){this.vm.image.partialGC("primitive");var t=this.vm.image.bytesLeft();return this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t))},primitiveMakePoint:function(e,t){var i=this.vm.stackValue(1),r=this.vm.stackValue(0);return!(t&&(this.checkFloat(i),this.checkFloat(r),!this.success)||(this.vm.popNandPush(1+e,this.makePointWithXandY(i,r)),0))},primitiveStoreStackp:function(e){var t=this.stackNonInteger(1),i=this.stackInteger(0);if(!this.success||i<0||this.vm.decodeSqueakSP(i)>=t.pointers.length)return!1;for(var r=t.pointers[Squeak.Context_stackPointer];r<i;)t.pointers[this.vm.decodeSqueakSP(++r)]=this.vm.nilObj;return t.pointers[Squeak.Context_stackPointer]=i,this.vm.popN(e),!0},primitiveChangeClass:function(e){var t,i;return!(2<e||(t=this.stackNonInteger(1),i=this.stackNonInteger(0),!this.changeClassTo(t,i.sqClass)))&&this.popNIfOK(e)},primitiveAdoptInstance:function(e){var t,i;return!(2<e||(t=this.stackNonInteger(1),i=this.stackNonInteger(0),!this.changeClassTo(i,t)))&&this.popNIfOK(e)},changeClassTo:function(e,t){if(e.sqClass.isCompact!==t.isCompact)return!1;var i=t.classInstIsPointers();if(e.isPointers()){if(!i)return!1;if(e.sqClass.classInstSize()!==t.classInstSize())return!1}else{if(i)return!1;var i=e.isBytes(),r=t.classInstIsBytes();if(i&&!r){if(e.bytes){if(3&e.bytes.length)return!1;e.words=new Uint32Array(e.bytes.buffer),delete e.bytes}}else!i&&r&&e.words&&(e.bytes=new Uint8Array(e.words.buffer),delete e.words)}return e._format=t.classInstFormat(),e.sqClass=t,!0},primitiveDoPrimitiveWithArgs:function(e){var t=this.stackNonInteger(0),i=this.stackInteger(1);if(this.success){var r=t.pointersSize(),s=this.vm.activeContext.pointersSize();if(!(this.vm.sp+r>=s)){this.vm.popN(2);for(var n=0;n<r;n++)this.vm.push(t.pointers[n]);if(this.vm.tryPrimitive(i,r))return!0;this.vm.popN(r),this.vm.push(i),this.vm.push(t)}}return!1},primitiveShortAtAndPut:function(e){var t,i=this.stackNonInteger(e),r=this.stackInteger(e-1)-1,i=i.wordsAsInt16Array();if(!this.success||!i||r<0||r>=i.length)return!1;if(e<2)t=i[r];else{if((t=this.stackInteger(0))<-32768||32767<t)return!1;i[r]=t}return this.popNandPushIfOK(e+1,t),!0},primitiveIntegerAtAndPut:function(e){var t,i=this.stackNonInteger(e),r=this.stackInteger(e-1)-1,i=i.wordsAsInt32Array();if(!this.success||!i||r<0||r>=i.length)return!1;if(e<2)t=this.signed32BitIntegerFor(i[r]);else{if(t=this.stackSigned32BitInt(0),!this.success)return!1;i[r]=t}return this.popNandPushIfOK(e+1,t),!0},primitiveConstantFill:function(e){var t=this.stackNonInteger(1),i=this.stackPos32BitInt(0);if(!this.success||!t.isWordsOrBytes())return!1;var r=t.words||t.bytes;if(r){if(r===t.bytes&&255<i)return!1;for(var s=0;s<r.length;s++)r[s]=i}return this.vm.popN(e),!0},primitiveNewMethod:function(e){var t=this.stackInteger(0),i=this.stackInteger(1);if(!this.success)return 0;for(var r=this.vm.instantiateClass(this.vm.stackValue(2),i),s=(r.pointers=[t],r.methodNumLits()),n=0;n<s;n++)r.pointers.push(this.vm.nilObj);return this.vm.popNandPush(1+e,r),this.vm.breakOnNewMethod&&(this.vm.breakOnMethod=r),!0},primitiveExecuteMethodArgsArray:function(e){var t=this.stackNonInteger(0),i=this.stackNonInteger(1),r=this.vm.stackValue(2);if(!this.success||!t.isMethod()||4<e)return!1;var s=t.methodNumArgs();if(s!==i.pointersSize())return!1;this.vm.popNandPush(e+1,r);for(var n=0;n<s;n++)this.vm.push(i.pointers[n]);return this.vm.executeNewMethod(r,t,s,t.methodPrimitiveIndex(),null,null),!0},primitiveArrayBecome:function(e,t,i){var r=this.stackNonInteger(e),s=this.stackNonInteger(e-1);return 1<e&&(i=this.stackBoolean(e-2)),!!this.success&&(this.success=this.vm.image.bulkBecome(r.pointers,s.pointers,t,i),this.popNIfOK(e))},doStringReplace:function(){var e=this.stackNonInteger(4),t=this.stackInteger(3)-1,i=this.stackInteger(2)-t,r=this.stackNonInteger(1),s=this.stackInteger(0)-1;if(this.success)if(r.sameFormatAs(e))if(r.isPointers()){var n=r.pointersSize(),a=r.instSize();if((s+=a)<0||n<s+i)this.success=!1;else if(n=e.pointersSize(),(t+=e.instSize())<0||n<t+i)this.success=!1;else for(var o=0;o<i;o++)e.pointers[t+o]=r.pointers[s+o]}else if(r.isWords()){n=r.wordsSize();if(s<0||n<s+i)this.success=!1;else if(n=e.wordsSize(),t<0||n<t+i)this.success=!1;else if(r.isFloat&&e.isFloat)e.float=r.float;else if(r.isFloat)e.wordsAsFloat64Array()[t]=r.float;else if(e.isFloat)e.float=r.wordsAsFloat64Array()[s];else for(o=0;o<i;o++)e.words[t+o]=r.words[s+o]}else{n=r.bytesSize();if(s<0||n<s+i)this.success=!1;else if(n=e.bytesSize(),t<0||n<t+i)this.success=!1;else for(o=0;o<i;o++)e.bytes[t+o]=r.bytes[s+o]}else this.success=!1;return e},primitiveCopyObject:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0),r=t.pointersSize();if(!this.success||t.isWordsOrBytes()||t.sqClass!==i.sqClass||r!==i.pointersSize())return!1;for(var s=0;s<r;s++)t.pointers[s]=i.pointers[s];return t.dirty=i.dirty,this.vm.popN(e),!0},primitiveStoreImageSegment:function(e){var t=this.stackNonInteger(2),i=this.stackNonInteger(1),r=this.stackNonInteger(0);return!!(t.pointers&&i.words&&r.pointers)&&!!this.vm.image.storeImageSegment(i,r,t)&&(this.vm.popN(e),!0)},primitiveLoadImageSegment:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!(!t.words||!i.pointers||!(t=this.vm.image.loadImageSegment(t,i)))&&this.popNandPushIfOK(e+1,t)}},"blocks/closures",{doBlockCopy:function(){var e,t,i=this.vm.stackValue(1),r=this.stackInteger(0),s=i;return this.vm.isContext(s)||(this.success=!1),this.success?(e=(s="number"==typeof s.pointers[Squeak.Context_method]?s.pointers[Squeak.BlockContext_home]:s).pointersSize()-s.instSize(),e=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassBlockContext],e),t=this.vm.encodeSqueakPC(this.vm.pc+2,this.vm.method),e.pointers[Squeak.BlockContext_initialIP]=t,e.pointers[Squeak.Context_instructionPointer]=t,e.pointers[Squeak.Context_stackPointer]=0,e.pointers[Squeak.BlockContext_argumentCount]=r,e.pointers[Squeak.BlockContext_home]=s,e.pointers[Squeak.Context_sender]=this.vm.nilObj,e):i},primitiveBlockValue:function(e){var t=this.vm.stackValue(e);if(!this.isA(t,Squeak.splOb_ClassBlockContext))return!1;var i=t.pointers[Squeak.BlockContext_argumentCount];if("number"!=typeof i)return!1;if(i!=e)return!1;if(!t.pointers[Squeak.BlockContext_caller].isNil)return!1;this.vm.arrayCopy(this.vm.activeContext.pointers,this.vm.sp-e+1,t.pointers,Squeak.Context_tempFrameStart,e);i=t.pointers[Squeak.BlockContext_initialIP];return t.pointers[Squeak.Context_instructionPointer]=i,t.pointers[Squeak.Context_stackPointer]=e,t.pointers[Squeak.BlockContext_caller]=this.vm.activeContext,this.vm.popN(e+1),this.vm.newActiveContext(t),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveBlockValueWithArgs:function(e){var t=this.vm.stackValue(1),i=this.vm.stackValue(0);if(!this.isA(t,Squeak.splOb_ClassBlockContext))return!1;if(!this.isA(i,Squeak.splOb_ClassArray))return!1;var r=t.pointers[Squeak.BlockContext_argumentCount];if("number"!=typeof r)return!1;if(r!=i.pointersSize())return!1;if(!t.pointers[Squeak.BlockContext_caller].isNil)return!1;this.vm.arrayCopy(i.pointers,0,t.pointers,Squeak.Context_tempFrameStart,r);i=t.pointers[Squeak.BlockContext_initialIP];return t.pointers[Squeak.Context_instructionPointer]=i,t.pointers[Squeak.Context_stackPointer]=r,t.pointers[Squeak.BlockContext_caller]=this.vm.activeContext,this.vm.popN(e+1),this.vm.newActiveContext(t),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveClosureCopyWithCopiedValues:function(e){return this.vm.breakNow("primitiveClosureCopyWithCopiedValues"),!1},primitiveClosureValue:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewClosureMethod(t,e),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0)},primitiveClosureValueWithArgs:function(e){var t=this.vm.top(),i=t.pointersSize(),e=this.vm.stackValue(e);if(i!==e.pointers[Squeak.Closure_numArgs])return!1;this.vm.pop();for(var r=0;r<i;r++)this.vm.push(t.pointers[r]);return this.activateNewClosureMethod(e,i),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveClosureValueNoContextSwitch:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewClosureMethod(t,e),!0)},primitiveFullClosureValue:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewFullClosure(t,e),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0)},primitiveFullClosureValueWithArgs:function(e){var t=this.vm.top(),i=t.pointersSize(),e=this.vm.stackValue(e);if(i!==e.pointers[Squeak.Closure_numArgs])return!1;this.vm.pop();for(var r=0;r<i;r++)this.vm.push(t.pointers[r]);return this.activateNewFullClosure(e,i),this.vm.interruptCheckCounter--<=0&&this.vm.checkForInterrupts(),!0},primitiveFullClosureValueNoContextSwitch:function(e){var t=this.vm.stackValue(e);return e===t.pointers[Squeak.Closure_numArgs]&&(this.activateNewFullClosure(t,e),!0)},activateNewClosureMethod:function(e,t){for(var i=e.pointers[Squeak.Closure_outerContext],r=i.pointers[Squeak.Context_method],s=this.vm.allocateOrRecycleContext(r.methodNeedsLargeFrame()),n=e.pointers.length-Squeak.Closure_firstCopiedValue,a=(s.pointers[Squeak.Context_sender]=this.vm.activeContext,s.pointers[Squeak.Context_instructionPointer]=e.pointers[Squeak.Closure_startpc],s.pointers[Squeak.Context_stackPointer]=t+n,s.pointers[Squeak.Context_method]=i.pointers[Squeak.Context_method],s.pointers[Squeak.Context_closure]=e,s.pointers[Squeak.Context_receiver]=i.pointers[Squeak.Context_receiver],Squeak.Context_tempFrameStart),o=0;o<t;o++)s.pointers[a++]=this.vm.stackValue(t-o-1);for(o=0;o<n;o++)s.pointers[a++]=e.pointers[Squeak.Closure_firstCopiedValue+o];this.vm.popN(t+1),this.vm.newActiveContext(s)},activateNewFullClosure:function(e,t){for(var i=e.pointers[Squeak.ClosureFull_method],r=this.vm.allocateOrRecycleContext(i.methodNeedsLargeFrame()),s=e.pointers.length-Squeak.ClosureFull_firstCopiedValue,n=(r.pointers[Squeak.Context_sender]=this.vm.activeContext,r.pointers[Squeak.Context_instructionPointer]=this.vm.encodeSqueakPC(0,i),r.pointers[Squeak.Context_stackPointer]=i.methodTempCount(),r.pointers[Squeak.Context_method]=i,r.pointers[Squeak.Context_closure]=e,r.pointers[Squeak.Context_receiver]=e.pointers[Squeak.ClosureFull_receiver],Squeak.Context_tempFrameStart),a=0;a<t;a++)r.pointers[n++]=this.vm.stackValue(t-a-1);for(a=0;a<s;a++)r.pointers[n++]=e.pointers[Squeak.ClosureFull_firstCopiedValue+a];this.vm.popN(t+1),this.vm.newActiveContext(r)}},"scheduling",{primitiveResume:function(){return this.resume(this.vm.top()),!0},primitiveSuspend:function(){var e=this.vm.top();if(e===this.activeProcess())this.vm.popNandPush(1,this.vm.nilObj),this.transferTo(this.wakeHighestPriority());else{var t=e.pointers[Squeak.Proc_myList];if(t.isNil)return!1;if(this.removeProcessFromList(e,t),!this.success)return!1;e.pointers[Squeak.Proc_myList]=this.vm.nilObj,this.vm.popNandPush(1,t)}return!0},getScheduler:function(){return this.vm.specialObjects[Squeak.splOb_SchedulerAssociation].pointers[Squeak.Assn_value]},activeProcess:function(){return this.getScheduler().pointers[Squeak.ProcSched_activeProcess]},resume:function(e){var t=this.activeProcess();t.pointers[Squeak.Proc_priority]<e.pointers[Squeak.Proc_priority]?(this.putToSleep(t),this.transferTo(e)):this.putToSleep(e)},putToSleep:function(e){var t=e.pointers[Squeak.Proc_priority],t=this.getScheduler().pointers[Squeak.ProcSched_processLists].pointers[t-1];this.linkProcessToList(e,t)},transferTo:function(e){var t=this.getScheduler(),i=t.pointers[Squeak.ProcSched_activeProcess];t.pointers[Squeak.ProcSched_activeProcess]=e,t.dirty=!0,i.pointers[Squeak.Proc_suspendedContext]=this.vm.activeContext,i.dirty=!0,this.vm.newActiveContext(e.pointers[Squeak.Proc_suspendedContext]),e.pointers[Squeak.Proc_suspendedContext]=this.vm.nilObj,this.oldPrims||(e.pointers[Squeak.Proc_myList]=this.vm.nilObj),this.vm.reclaimableContextCount=0,this.vm.breakOnContextChanged&&(this.vm.breakOnContextChanged=!1,this.vm.breakNow()),this.vm.logProcess&&console.log("\n============= Process Switch ==================\n"+this.vm.printProcess(e,!0,this.vm.logSends?"| ":"")+"===============================================")},wakeHighestPriority:function(){var e,t=this.getScheduler().pointers[Squeak.ProcSched_processLists],i=t.pointersSize()-1;do{if(i<0)throw Error("scheduler could not find a runnable process")}while(e=t.pointers[i--],this.isEmptyList(e));return this.removeFirstLinkOfList(e)},linkProcessToList:function(e,t){var i;this.isEmptyList(t)?t.pointers[Squeak.LinkedList_firstLink]=e:((i=t.pointers[Squeak.LinkedList_lastLink]).pointers[Squeak.Link_nextLink]=e,i.dirty=!0),t.pointers[Squeak.LinkedList_lastLink]=e,t.dirty=!0,e.pointers[Squeak.Proc_myList]=t,e.dirty=!0},isEmptyList:function(e){return e.pointers[Squeak.LinkedList_firstLink].isNil},removeFirstLinkOfList:function(e){var t,i=e.pointers[Squeak.LinkedList_firstLink];return i===e.pointers[Squeak.LinkedList_lastLink]?(e.pointers[Squeak.LinkedList_firstLink]=this.vm.nilObj,e.pointers[Squeak.LinkedList_lastLink]=this.vm.nilObj):(t=i.pointers[Squeak.Link_nextLink],e.pointers[Squeak.LinkedList_firstLink]=t,e.dirty=!0),i.pointers[Squeak.Link_nextLink]=this.vm.nilObj,i},removeProcessFromList:function(e,t){var i=t.pointers[Squeak.LinkedList_firstLink],r=t.pointers[Squeak.LinkedList_lastLink];if(e===i){var s=e.pointers[Squeak.Link_nextLink];t.pointers[Squeak.LinkedList_firstLink]=s,e===r&&(t.pointers[Squeak.LinkedList_lastLink]=this.vm.nilObj)}else{for(var n=i;;){if(n.isNil)return void(this.oldPrims&&(this.success=!1));if((s=n.pointers[Squeak.Link_nextLink])===e)break;n=s}s=e.pointers[Squeak.Link_nextLink],n.pointers[Squeak.Link_nextLink]=s,e===r&&(t.pointers[Squeak.LinkedList_lastLink]=n)}e.pointers[Squeak.Link_nextLink]=this.vm.nilObj},registerSemaphore:function(e){var t=this.vm.top();return this.isA(t,Squeak.splOb_ClassSemaphore)?this.vm.specialObjects[e]=t:this.vm.specialObjects[e]=this.vm.nilObj,this.vm.stackValue(1)},primitiveWait:function(){var e,t=this.vm.top();return!!this.isA(t,Squeak.splOb_ClassSemaphore)&&(0<(e=t.pointers[Squeak.Semaphore_excessSignals])?t.pointers[Squeak.Semaphore_excessSignals]=e-1:(this.linkProcessToList(this.activeProcess(),t),this.transferTo(this.wakeHighestPriority())),!0)},primitiveSignal:function(){var e=this.vm.top();return!!this.isA(e,Squeak.splOb_ClassSemaphore)&&(this.synchronousSignal(e),!0)},synchronousSignal:function(e){this.isEmptyList(e)?e.pointers[Squeak.Semaphore_excessSignals]++:this.resume(this.removeFirstLinkOfList(e))},signalAtMilliseconds:function(e,t){this.isA(e,Squeak.splOb_ClassSemaphore)?(this.vm.specialObjects[Squeak.splOb_TheTimerSemaphore]=e,this.vm.nextWakeupTick=t):(this.vm.specialObjects[Squeak.splOb_TheTimerSemaphore]=this.vm.nilObj,this.vm.nextWakeupTick=0)},primitiveSignalAtMilliseconds:function(e){var t=this.stackInteger(0),i=this.stackNonInteger(1);return!!this.success&&(this.signalAtMilliseconds(i,t),this.vm.popN(e),!0)},primitiveSignalAtUTCMicroseconds:function(e){var t=this.stackSigned53BitInt(0),i=this.stackNonInteger(1);return!!this.success&&(t=t/1e3+Squeak.EpochUTC-this.vm.startupTime&Squeak.MillisecondClockMask,this.signalAtMilliseconds(i,t),this.vm.popN(e),!0)},signalSemaphoreWithIndex:function(e){this.semaphoresToSignal.push(e)},signalExternalSemaphores:function(){for(var e=this.vm.specialObjects[Squeak.splOb_ExternalObjectsArray].pointers,t=this.vm.specialObjects[Squeak.splOb_ClassSemaphore];this.semaphoresToSignal.length;){var i=e[this.semaphoresToSignal.shift()-1];i.sqClass==t&&this.synchronousSignal(i)}},primitiveEnterCriticalSection:function(e){var t,i,r;return!(1<e||(t=this.vm.stackValue(e),i=e?this.vm.top():this.activeProcess(),(r=t.pointers[Squeak.Mutex_owner]).isNil?(t.pointers[Squeak.Mutex_owner]=i,t.dirty=!0,this.popNandPushIfOK(e+1,this.vm.falseObj)):r===i?this.popNandPushIfOK(e+1,this.vm.trueObj):(this.popNandPushIfOK(e+1,this.vm.falseObj),this.linkProcessToList(i,t),this.transferTo(this.wakeHighestPriority())),0))},primitiveExitCriticalSection:function(e){var t,i=this.vm.top();return this.isEmptyList(i)?i.pointers[Squeak.Mutex_owner]=this.vm.nilObj:(t=this.removeFirstLinkOfList(i),i.pointers[Squeak.Mutex_owner]=t,i.dirty=!0,this.resume(t)),!0},primitiveTestAndSetOwnershipOfCriticalSection:function(e){var t,i,r;return!(1<e||(t=this.vm.stackValue(e),i=e?this.vm.top():this.activeProcess(),(r=t.pointers[Squeak.Mutex_owner]).isNil?(t.pointers[Squeak.Mutex_owner]=i,t.dirty=!0,this.popNandPushIfOK(e+1,this.vm.falseObj)):r===i?this.popNandPushIfOK(e+1,this.vm.trueObj):this.popNandPushIfOK(e+1,this.vm.nilObj),0))}},"vm functions",{primitiveGetAttribute:function(e){var t=this.stackInteger(0);if(!this.success)return!1;var i=this.display.argv,r=this.display.vmOptions,s=null;switch(t){case 0:s=i&&i[0]||this.filenameToSqueak(Squeak.vmPath+Squeak.vmFile);break;case 1:s=i&&i[1]||this.display.documentName;break;case 2:s=i&&i[2]||this.display.documentName;break;case 1001:s=Squeak.platformName;break;case 1002:s=Squeak.osVersion;break;case 1003:s=Squeak.platformSubtype;break;case 1004:s=Squeak.vmVersion+" "+Squeak.vmMakerVersion;break;case 1005:s=Squeak.windowSystem;break;case 1006:s=Squeak.vmBuild;break;case 1007:s=Squeak.vmInterpreterVersion;break;case 1009:s=Squeak.vmVersion+" Date: "+Squeak.vmDate;break;default:if(0<=t&&i&&i.length>t)s=i[t];else{if(!(t<0&&r&&r.length>-t-1))return!1;s=r[-t-1]}}return this.vm.popNandPush(e+1,this.makeStObject(s)),!0},setLowSpaceThreshold:function(){var e=this.stackInteger(0);return this.success&&(this.vm.lowSpaceThreshold=e),this.vm.stackValue(1)},primitiveVMParameter:function(e){var t=this.vm.image.isSpur?71:44;switch(e){case 0:for(var i=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassArray],t),r=0;r<t;r++)i.pointers[r]=this.makeStObject(this.vmParameterAt(r+1));return this.popNandPushIfOK(1,i);case 1:var s=this.stackInteger(0);return s<1||t<s?!1:this.popNandPushIfOK(2,this.makeStObject(this.vmParameterAt(s)));case 2:return this.popNandPushIfOK(3,0)}return!1},vmParameterAt:function(e){switch(e){case 1:case 2:return this.vm.image.oldSpaceBytes;case 3:return this.vm.image.totalMemory;case 4:return this.vm.image.allocationCount+this.vm.image.newSpaceCount;case 7:return this.vm.image.gcCount;case 8:return this.vm.image.gcMilliseconds;case 9:return this.vm.image.pgcCount;case 10:return this.vm.image.pgcMilliseconds;case 11:return this.vm.image.gcTenured;case 15:case 16:case 17:case 18:case 19:case 20:case 22:return 0;case 23:return this.vm.image.extraVMMemory;case 40:return 4;case 41:return this.vm.image.formatVersion();case 44:case 46:case 48:return 0;case 54:return this.vm.image.bytesLeft();case 65:return 0;case 67:return this.vm.image.totalMemory}return null},primitiveImageName:function(e){return 0==e?this.popNandPushIfOK(1,this.makeStString(this.filenameToSqueak(this.vm.image.name))):(this.vm.image.name=this.filenameFromSqueak(this.vm.top().bytesAsString()),Squeak.Settings.squeakImageName=this.vm.image.name,this.vm.popN(e),!0)},primitiveSnapshot:function(e){this.vm.popNandPush(1,this.vm.trueObj),this.vm.storeContextRegisters(),this.activeProcess().pointers[Squeak.Proc_suspendedContext]=this.vm.activeContext,this.vm.image.fullGC("snapshot");var t=this.vm.image.writeToBuffer();return Squeak.flushAllFiles&&(Squeak.flushAllFiles(),Squeak.filePut(this.vm.image.name,t)),this.vm.popNandPush(1,this.vm.falseObj),!0},primitiveQuit:function(e){return Squeak.flushAllFiles&&Squeak.flushAllFiles(),this.display.quitFlag=!0,this.vm.breakNow("quit"),!0},primitiveExitToDebugger:function(e){return this.vm.breakNow("debugger primitive"),!0},primitiveSetGCBiasToGrow:function(e){return this.fakePrimitive(".primitiveSetGCBiasToGrow",0,e)},primitiveSetGCBiasToGrowGCLimit:function(e){return this.fakePrimitive(".primitiveSetGCBiasToGrowGCLimit",0,e)}},"time",{primitiveRelinquishProcessorForMicroseconds:function(e){return this.vm.popN(e),this.vm.goIdle(),!0},millisecondClockValue:function(){return Date.now()-this.vm.startupTime&Squeak.MillisecondClockMask},millisecondClockValueSet:function(e){this.vm.startupTime=Date.now()-e},secondClock:function(){return this.pos32BitIntFor(Squeak.totalSeconds())},microsecondClock:function(e){var t,i,r,s=Date.now()-e.epoch;return"object"!=typeof performance?this.pos53BitIntFor(1e3*s):(t=1e3*performance.now()%1e3|0,i=e.millis,r=e.micros,(s=s<i?i:s)===i&&t<r&&s++,e.millis=s,e.micros=t,this.pos53BitIntFor(1e3*s+t))},microsecondClockUTC:function(){return this.microsecondClockUTCState||(this.microsecondClockUTCState={epoch:Squeak.EpochUTC,millis:0,micros:0}),this.microsecondClock(this.microsecondClockUTCState)},microsecondClockLocal:function(){return this.microsecondClockLocalState||(this.microsecondClockLocalState={epoch:Squeak.Epoch,millis:0,micros:0}),this.microsecondClock(this.microsecondClockLocalState)},primitiveUtcWithOffset:function(e){var t,i=new Date,r=this.pos53BitIntFor(1e3*i.getTime()),i=-60*i.getTimezoneOffset();return 0<e?((t=this.vm.stackValue(0)).pointers[0]=r,t.pointers[1]=i,this.popNandPushIfOK(e+1,t)):this.popNandPushIfOK(e+1,this.makeStArray([r,i])),!0}}),Object.subclass("Squeak.Compiler","initialization",{initialize:function(e){if(e.method.methodSignFlag())return console.warn("Sista bytecode set not (yet) supported by this JIT"),{};this.vm=e,this.comments=!!Squeak.Compiler.comments,this.specialSelectors=["+","-","<",">","<=",">=","=","~=","*","/","\\\\","@","bitShift:","//","bitAnd:","bitOr:","at:","at:put:","size","next","nextPut:","atEnd","==","class","blockCopy:","value","value:","do:","new","new:","x","y"],this.doitCounter=0}},"accessing",{compile:function(e,t,i){e.methodSignFlag()||(void 0===e.compiled?e.compiled=!1:(this.singleStep=!1,this.debug=this.comments,t=t&&t.className(),i=i&&i.bytesAsString(),e.compiled=this.generate(e,t,i)))},enableSingleStepping:function(r,s,n){var e,t,i;return r.compiled&&r.compiled.canSingleStep||(this.singleStep=!0,this.debug=!0,s||this.vm.allMethodsDo(function(e,t,i){if(t===r)return s=e,n=i,!0}),e=s&&s.className(),t=n&&n.bytesAsString(),i=s&&s.allInstVarNames(),r.compiled=this.generate(r,e,t,i),r.compiled.canSingleStep=!0),!0},functionNameFor:function(e,t){var i;return void 0===e||"?"===e?"DOIT_"+ ++this.doitCounter:/[^a-zA-Z0-9:_]/.test(t)?(i=t.replace(/./g,function(e){return{"|":"OR","~":"NOT","<":"LT","=":"EQ",">":"GT","&":"AND","@":"AT","*":"TIMES","+":"PLUS","\\":"MOD","-":"MINUS",",":"COMMA","/":"DIV","?":"IF"}[e]||"OPERATOR"}),e.replace(/[ ]/,"_")+"__"+i+"__"):(e+"_"+t).replace(/[: ]/g,"_")}},"generating",{generate:function(e,t,i,r){for(this.method=e,this.pc=0,this.endPC=0,this.prevPC=0,this.source=[],this.sourceLabels={},this.needsLabel={},this.sourcePos={},this.needsVar={},this.needsBreak=!1,t&&i&&this.source.push("// ",t,">>",i,"\n"),this.instVarNames=r,this.allVars=["context","stack","rcvr","inst[","temp[","lit["],this.sourcePos.context=this.source.length,this.source.push("var context = vm.activeContext;\n"),this.sourcePos.stack=this.source.length,this.source.push("var stack = context.pointers;\n"),this.sourcePos.rcvr=this.source.length,this.source.push("var rcvr = vm.receiver;\n"),this.sourcePos["inst["]=this.source.length,this.source.push("var inst = rcvr.pointers;\n"),this.sourcePos["temp["]=this.source.length,this.source.push("var temp = vm.homeContext.pointers;\n"),this.sourcePos["lit["]=this.source.length,this.source.push("var lit = vm.method.pointers;\n"),this.sourcePos["loop-start"]=this.source.length,this.source.push("while (true) switch (vm.pc) {\ncase 0:\n"),this.done=!1;!this.done;){var s=e.bytes[this.pc++],n=0;switch(248&s){case 0:case 8:this.generatePush("inst[",15&s,"]");break;case 16:case 24:this.generatePush("temp[",6+(15&s),"]");break;case 32:case 40:case 48:case 56:this.generatePush("lit[",1+(31&s),"]");break;case 64:case 72:case 80:case 88:this.generatePush("lit[",1+(31&s),"].pointers[1]");break;case 96:this.generatePopInto("inst[",7&s,"]");break;case 104:this.generatePopInto("temp[",6+(7&s),"]");break;case 112:switch(s){case 112:this.generatePush("rcvr");break;case 113:this.generatePush("vm.trueObj");break;case 114:this.generatePush("vm.falseObj");break;case 115:this.generatePush("vm.nilObj");break;case 116:this.generatePush("-1");break;case 117:this.generatePush("0");break;case 118:this.generatePush("1");break;case 119:this.generatePush("2")}break;case 120:switch(s){case 120:this.generateReturn("rcvr");break;case 121:this.generateReturn("vm.trueObj");break;case 122:this.generateReturn("vm.falseObj");break;case 123:this.generateReturn("vm.nilObj");break;case 124:this.generateReturn("stack[vm.sp]");break;case 125:this.generateBlockReturn();break;default:throw Error("unusedBytecode")}break;case 128:case 136:this.generateExtended(s);break;case 144:this.generateJump(1+(7&s));break;case 152:this.generateJumpIf(!1,1+(7&s));break;case 160:n=e.bytes[this.pc++],this.generateJump(256*((7&s)-4)+n);break;case 168:n=e.bytes[this.pc++],this.generateJumpIf(s<172,256*(3&s)+n);break;case 176:case 184:this.generateNumericOp(s);break;case 192:case 200:this.generateQuickPrim(s);break;case 208:case 216:this.generateSend("lit[",1+(15&s),"]",0,!1);break;case 224:case 232:this.generateSend("lit[",1+(15&s),"]",1,!1);break;case 240:case 248:this.generateSend("lit[",1+(15&s),"]",2,!1)}}r=this.functionNameFor(t,i);return this.singleStep?(this.debug&&this.source.push("// all valid PCs have a label;\n"),this.source.push("default: throw Error('invalid PC');\n}")):(this.sourcePos["loop-end"]=this.source.length,this.source.push("default: vm.interpretOne(true); return;\n}"),this.deleteUnneededLabels()),this.deleteUnneededVariables(),new Function("'use strict';\nreturn function "+r+"(vm) {\n"+this.source.join("")+"}")()},generateExtended:function(e){switch(e){case 128:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generatePush("inst[",63&t,"]");case 1:return void this.generatePush("temp[",6+(63&t),"]");case 2:return void this.generatePush("lit[",1+(63&t),"]");case 3:return void this.generatePush("lit[",1+(63&t),"].pointers[1]")}case 129:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generateStoreInto("inst[",63&t,"]");case 1:return void this.generateStoreInto("temp[",6+(63&t),"]");case 2:throw Error("illegal store into literal");case 3:return void this.generateStoreInto("lit[",1+(63&t),"].pointers[1]")}return;case 130:switch((t=this.method.bytes[this.pc++])>>6){case 0:return void this.generatePopInto("inst[",63&t,"]");case 1:return void this.generatePopInto("temp[",6+(63&t),"]");case 2:throw Error("illegal pop into literal");case 3:return void this.generatePopInto("lit[",1+(63&t),"].pointers[1]")}case 131:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(31&t),"]",t>>5,!1);case 132:switch(t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],t>>5){case 0:return void this.generateSend("lit[",1+i,"]",31&t,!1);case 1:return void this.generateSend("lit[",1+i,"]",31&t,!0);case 2:return void this.generatePush("inst[",i,"]");case 3:return void this.generatePush("lit[",1+i,"]");case 4:return void this.generatePush("lit[",1+i,"].pointers[1]");case 5:return void this.generateStoreInto("inst[",i,"]");case 6:return void this.generatePopInto("inst[",i,"]");case 7:return void this.generateStoreInto("lit[",1+i,"].pointers[1]")}case 133:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(31&t),"]",t>>5,!0);case 134:return t=this.method.bytes[this.pc++],void this.generateSend("lit[",1+(63&t),"]",t>>6,!1);case 135:return void this.generateInstruction("pop","vm.sp--");case 136:return this.needsVar.stack=!0,void this.generateInstruction("dup","var dup = stack[vm.sp]; stack[++vm.sp] = dup");case 137:return this.needsVar.stack=!0,void this.generateInstruction("push thisContext","stack[++vm.sp] = vm.exportThisContext()");case 138:var t=this.method.bytes[this.pc++];return void this.generateClosureTemps(127&t,127<t);case 139:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generateCallPrimitive(t+256*i);case 140:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generatePush("temp[",6+i,"].pointers[",t,"]");case 141:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generateStoreInto("temp[",6+i,"].pointers[",t,"]");case 142:return t=this.method.bytes[this.pc++],i=this.method.bytes[this.pc++],void this.generatePopInto("temp[",6+i,"].pointers[",t,"]");case 143:t=this.method.bytes[this.pc++];var i=this.method.bytes[this.pc++],r=this.method.bytes[this.pc++];return void this.generateClosureCopy(15&t,t>>4,i<<8|r)}},generatePush:function(e,t,i,r,s){this.debug&&this.generateDebugCode("push",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push("stack[++vm.sp] = ",e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(";\n")},generateStoreInto:function(e,t,i,r,s){this.debug&&this.generateDebugCode("store into",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push(e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(" = stack[vm.sp];\n"),this.generateDirty(e,t)},generatePopInto:function(e,t,i,r,s){this.debug&&this.generateDebugCode("pop into",e,t,i,r,s),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.stack=!0,this.source.push(e),void 0!==t&&(this.source.push(t,i),void 0!==r)&&this.source.push(r,s),this.source.push(" = stack[vm.sp--];\n"),this.generateDirty(e,t)},generateReturn:function(e){this.debug&&this.generateDebugCode("return",e),this.generateLabel(),this.needsVar[e]=!0,this.source.push("vm.pc = ",this.pc,"; vm.doReturn(",e,"); return;\n"),this.needsBreak=!1,this.done=this.pc>this.endPC},generateBlockReturn:function(){this.debug&&this.generateDebugCode("block return"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("vm.pc = ",this.pc,"; vm.doReturn(stack[vm.sp--], context.pointers[0]); return;\n"),this.needsBreak=!1},generateJump:function(e){var t=this.pc+e;this.debug&&this.generateDebugCode("jump to "+t),this.generateLabel(),this.needsVar.context=!0,this.source.push("vm.pc = ",t,"; "),e<0&&this.source.push("\nif (vm.interruptCheckCounter-- <= 0) {\n","   vm.checkForInterrupts();\n","   if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n","}\n"),this.singleStep&&this.source.push("\nif (vm.breakOutOfInterpreter) return;\n"),this.source.push("continue;\n"),this.needsBreak=!1,this.needsLabel[t]=!0,t>this.endPC&&(this.endPC=t)},generateJumpIf:function(e,t){t=this.pc+t;this.debug&&this.generateDebugCode("jump if "+e+" to "+t),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var cond = stack[vm.sp--]; if (cond === vm.",e,"Obj) {vm.pc = ",t,"; "),this.singleStep&&this.source.push("if (vm.breakOutOfInterpreter) return; else "),this.source.push("continue}\n","else if (cond !== vm.",!e,"Obj) {vm.sp++; vm.pc = ",this.pc,"; vm.send(vm.specialObjects[25], 0, false); return}\n"),this.needsLabel[this.pc]=!0,this.needsLabel[t]=!0,t>this.endPC&&(this.endPC=t)},generateQuickPrim:function(e){switch(this.debug&&this.generateDebugCode("quick send #"+this.specialSelectors[16+(15&e)]),this.generateLabel(),e){case 192:return this.needsVar.stack=!0,this.source.push("var a, b; if ((a=stack[vm.sp-1]).sqClass === vm.specialObjects[7] && typeof (b=stack[vm.sp]) === 'number' && b>0 && b<=a.pointers.length) {\n","  stack[--vm.sp] = a.pointers[b-1];","} else { var c = vm.primHandler.objectAt(true,true,false); if (vm.primHandler.success) stack[--vm.sp] = c; else {\n","  vm.pc = ",this.pc,"; vm.sendSpecial(16); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }}\n"),void(this.needsLabel[this.pc]=!0);case 193:return this.needsVar.stack=!0,this.source.push("var a, b; if ((a=stack[vm.sp-2]).sqClass === vm.specialObjects[7] && typeof (b=stack[vm.sp-1]) === 'number' && b>0 && b<=a.pointers.length) {\n","  var c = stack[vm.sp]; stack[vm.sp-=2] = a.pointers[b-1] = c; a.dirty = true;","} else { vm.primHandler.objectAtPut(true,true,false); if (vm.primHandler.success) stack[vm.sp-=2] = c; else {\n","  vm.pc = ",this.pc,"; vm.sendSpecial(17); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }}\n"),void(this.needsLabel[this.pc]=!0);case 194:return this.needsVar.stack=!0,this.source.push("if (stack[vm.sp].sqClass === vm.specialObjects[7]) stack[vm.sp] = stack[vm.sp].pointersSize();\n","else if (stack[vm.sp].sqClass === vm.specialObjects[6]) stack[vm.sp] = stack[vm.sp].bytesSize();\n","else { vm.pc = ",this.pc,"; vm.sendSpecial(18); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return; }\n"),void(this.needsLabel[this.pc]=!0);case 198:return this.needsVar.stack=!0,void this.source.push("var cond = stack[vm.sp-1] === stack[vm.sp];\nstack[--vm.sp] = cond ? vm.trueObj : vm.falseObj;\n");case 199:return this.needsVar.stack=!0,void this.source.push("stack[vm.sp] = typeof stack[vm.sp] === 'number' ? vm.specialObjects[5] : stack[vm.sp].sqClass;\n");case 200:return this.needsVar.rcvr=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,")) ","{vm.sendSpecial(",16+(15&e),"); return}\n"),this.needsLabel[this.pc]=!0,void(this.needsLabel[this.pc+2]=!0);case 201:case 202:case 203:return this.needsVar.rcvr=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,")) vm.sendSpecial(",16+(15&e),"); return;\n"),void(this.needsLabel[this.pc]=!0)}this.needsVar.rcvr=!0,this.needsVar.context=!0,this.source.push("vm.pc = ",this.pc,"; if (!vm.primHandler.quickSendOther(rcvr, ",15&e,"))"," vm.sendSpecial(",16+(15&e),");\n","if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n"),this.needsBreak=!1,this.needsLabel[this.pc]=!0},generateNumericOp:function(e){switch(this.debug&&this.generateDebugCode("quick send #"+this.specialSelectors[15&e]),this.generateLabel(),this.needsLabel[this.pc]=!0,e){case 176:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = vm.primHandler.signed32BitIntegerFor(a + b);\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(0); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 177:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = vm.primHandler.signed32BitIntegerFor(a - b);\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(1); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 178:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a < b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(2); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 179:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a > b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(3); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 180:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a <= b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(4); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 181:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a >= b ? vm.trueObj : vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(5); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 182:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a === b ? vm.trueObj : vm.falseObj;\n","} else if (a === b && a.float === a.float) {\n","   stack[--vm.sp] = vm.trueObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(6); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 183:return this.needsVar.stack=!0,void this.source.push("var a = stack[vm.sp - 1], b = stack[vm.sp];\n","if (typeof a === 'number' && typeof b === 'number') {\n","   stack[--vm.sp] = a !== b ? vm.trueObj : vm.falseObj;\n","} else if (a === b && a.float === a.float) {\n","   stack[--vm.sp] = vm.falseObj;\n","} else { vm.pc = ",this.pc,"; vm.sendSpecial(7); if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return}\n");case 184:return void this.source.push("vm.success = true; vm.resultIsFloat = false; if(!vm.pop2AndPushNumResult(vm.stackIntOrFloat(1) * vm.stackIntOrFloat(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(8); return}\n");case 185:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.quickDivide(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(9); return}\n");case 186:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.mod(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(10); return}\n");case 187:return void this.source.push("vm.success = true; if(!vm.primHandler.primitiveMakePoint(1, true)) { vm.pc = ",this.pc,"; vm.sendSpecial(11); return}\n");case 188:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.safeShift(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(12); return}\n");case 189:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.div(vm.stackInteger(1),vm.stackInteger(0)))) { vm.pc = ",this.pc,"; vm.sendSpecial(13); return}\n");case 190:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.stackInteger(1) & vm.stackInteger(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(14); return}\n");case 191:return void this.source.push("vm.success = true; if(!vm.pop2AndPushIntResult(vm.stackInteger(1) | vm.stackInteger(0))) { vm.pc = ",this.pc,"; vm.sendSpecial(15); return}\n")}},generateSend:function(e,t,i,r,s){this.debug&&this.generateDebugCode("send "+("lit["===e?this.method.pointers[t].bytesAsString():"...")),this.generateLabel(),this.needsVar[e]=!0,this.needsVar.context=!0,this.source.push("vm.pc = ",this.pc,"; vm.send(",e,t,i,", ",r,", ",s,"); ","if (context !== vm.activeContext || vm.breakOutOfInterpreter !== false) return;\n"),this.needsBreak=!1,this.needsLabel[this.pc]=!0},generateClosureTemps:function(e,t){if(this.debug&&this.generateDebugCode("closure temps"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var array = vm.instantiateClass(vm.specialObjects[7], ",e,");\n"),t){for(var i=0;i<e;i++)this.source.push("array.pointers[",i,"] = stack[vm.sp - ",e-i-1,"];\n");this.source.push("stack[vm.sp -= ",e-1,"] = array;\n")}else this.source.push("stack[++vm.sp] = array;\n")},generateClosureCopy:function(e,t,i){var r=this.pc,i=r+i;if(this.debug&&this.generateDebugCode("push closure("+r+"-"+(i-1)+"): "+t+" copied, "+e+" args"),this.generateLabel(),this.needsVar.stack=!0,this.source.push("var closure = vm.instantiateClass(vm.specialObjects[36], ",t,");\n","closure.pointers[0] = context; vm.reclaimableContextCount = 0;\n","closure.pointers[1] = ",r+4*this.method.pointers.length+1,";\n","closure.pointers[2] = ",e,";\n"),0<t){for(var s=0;s<t;s++)this.source.push("closure.pointers[",s+3,"] = stack[vm.sp - ",t-s-1,"];\n");this.source.push("stack[vm.sp -= ",t-1,"] = closure;\n")}else this.source.push("stack[++vm.sp] = closure;\n");this.source.push("vm.pc = ",i,";\n"),this.singleStep&&this.source.push("if (vm.breakOutOfInterpreter) return;\n"),this.source.push("continue;\n"),this.needsBreak=!1,this.needsLabel[r]=!0,this.needsLabel[i]=!0,i>this.endPC&&(this.endPC=i)},generateCallPrimitive:function(e){this.debug&&this.generateDebugCode("call primitive "+e),this.generateLabel(),129===this.method.bytes[this.pc]&&(this.needsVar.stack=!0,this.source.push("if (vm.primFailCode) {stack[vm.sp] = vm.getErrorObjectFromPrimFailCode(); vm.primFailCode = 0;}\n"))},generateDirty:function(e,t){switch(e){case"inst[":this.source.push("rcvr.dirty = true;\n");break;case"lit[":this.source.push(e,t,"].dirty = true;\n");break;case"temp[":break;default:throw Error("unexpected target "+e)}},generateLabel:function(){this.prevPC&&(this.sourceLabels[this.prevPC]=this.source.length,this.source.push("case ",this.prevPC,":\n")),this.prevPC=this.pc},generateDebugCode:function(e,t,i,r,s,n){this.needsBreak&&(this.source.push("if (vm.breakOutOfInterpreter) {vm.pc = ",this.prevPC,"; return}\n"),this.needsLabel[this.prevPC]=!0);for(var a=[],o=this.prevPC;o<this.pc;o++)a.push((this.method.bytes[o]+256).toString(16).slice(-2).toUpperCase());if(this.source.push("// ",this.prevPC," <",a.join(" "),"> ",e),t)switch(this.source.push(" "),t){case"vm.nilObj":this.source.push("nil");break;case"vm.trueObj":this.source.push("true");break;case"vm.falseObj":this.source.push("false");break;case"rcvr":this.source.push("self");break;case"stack[vm.sp]":this.source.push("top of stack");break;case"inst[":this.instVarNames?this.source.push(this.instVarNames[i]):this.source.push("inst var ",i);break;case"temp[":this.source.push("tmp",i-6),"]"!==r&&this.source.push("[",s,"]");break;case"lit[":var u=this.method.pointers[i];"]"===r?this.source.push(u):this.source.push(u.pointers[0].bytesAsString());break;default:this.source.push(t)}this.source.push("\n"),this.needsBreak=this.singleStep},generateInstruction:function(e,t){this.debug&&this.generateDebugCode(e),this.generateLabel(),this.source.push(t,";\n")},deleteUnneededLabels:function(){var e,t=!1;for(e in this.sourceLabels)if(this.needsLabel[e])t=!0;else for(var i=0;i<3;i++)this.source[this.sourceLabels[e]+i]="";t||(this.source[this.sourcePos["loop-start"]]="",this.source[this.sourcePos["loop-end"]]="")},deleteUnneededVariables:function(){this.needsVar.stack&&(this.needsVar.context=!0),this.needsVar["inst["]&&(this.needsVar.rcvr=!0);for(var e=0;e<this.allVars.length;e++){var t=this.allVars[e];this.needsVar[t]||(this.source[this.sourcePos[t]]="")}}}),Object.extend(Squeak,"audio",{startAudioOut:function(){return this.audioOutContext||(this.audioOutContext=new AudioContext),this.audioOutContext},stopAudioOut:function(){this.audioOutContext&&(this.audioOutContext.close(),this.audioOutContext=null)},startAudioIn:function(t,i){return this.audioInContext?(this.audioInSource.disconnect(),t(this.audioInContext,this.audioInSource)):navigator.mediaDevices?void navigator.mediaDevices.getUserMedia({audio:!0}).then(e=>{this.audioInContext=new AudioContext,this.audioInSource=this.audioInContext.createMediaStreamSource(e),t(this.audioInContext,this.audioInSource)}).catch(e=>i("cannot access microphone. "+e.name+": "+e.message)):i("test: audio input not supported")},stopAudioIn:function(){this.audioInSource&&(this.audioInSource.disconnect(),this.audioInSource=null,this.audioInContext.close(),this.audioInContext=null)}}),Object.extend(Squeak,"known classes",{BitBlt_dest:0,BitBlt_source:1,BitBlt_halftone:2,BitBlt_combinationRule:3,BitBlt_destX:4,BitBlt_destY:5,BitBlt_width:6,BitBlt_height:7,BitBlt_sourceX:8,BitBlt_sourceY:9,BitBlt_clipX:10,BitBlt_clipY:11,BitBlt_clipW:12,BitBlt_clipH:13,BitBlt_colorMap:14,BitBlt_warpBase:15,Form_bits:0,Form_width:1,Form_height:2,Form_depth:3,Form_offset:4}),Object.extend(Squeak.Primitives.prototype,"display",{displayDirty:function(){}}),Object.extend(Squeak.Primitives.prototype,"display",{initDisplay:function(e){this.display=e,this.display.vm=this.vm,this.indexedColors=[4294967295,4278190081,4294967295,4286611584,4294901760,4278255360,4278190335,4278255615,4294967040,4294902015,4280295456,4282400832,4284506208,4288651167,4290756543,4292861919,4278716424,4279242768,4279769112,4280821800,4281348144,4281874488,4282927176,4283453520,4283979864,4285032552,4285558896,4286085240,4287072135,4287598479,4288124823,4289177511,4289703855,4290230199,4291282887,4291809231,4292335575,4293388263,4293914607,4294440951,4278190081,4278203136,4278216192,4278229248,4278242304,4278255360,4278190131,4278203187,4278216243,4278229299,4278242355,4278255411,4278190182,4278203238,4278216294,4278229350,4278242406,4278255462,4278190233,4278203289,4278216345,4278229401,4278242457,4278255513,4278190284,4278203340,4278216396,4278229452,4278242508,4278255564,4278190335,4278203391,4278216447,4278229503,4278242559,4278255615,4281532416,4281545472,4281558528,4281571584,4281584640,4281597696,4281532467,4281545523,4281558579,4281571635,4281584691,4281597747,4281532518,4281545574,4281558630,4281571686,4281584742,4281597798,4281532569,4281545625,4281558681,4281571737,4281584793,4281597849,4281532620,4281545676,4281558732,4281571788,4281584844,4281597900,4281532671,4281545727,4281558783,4281571839,4281584895,4281597951,4284874752,4284887808,4284900864,4284913920,4284926976,4284940032,4284874803,4284887859,4284900915,4284913971,4284927027,4284940083,4284874854,4284887910,4284900966,4284914022,4284927078,4284940134,4284874905,4284887961,4284901017,4284914073,4284927129,4284940185,4284874956,4284888012,4284901068,4284914124,4284927180,4284940236,4284875007,4284888063,4284901119,4284914175,4284927231,4284940287,4288217088,4288230144,4288243200,4288256256,4288269312,4288282368,4288217139,4288230195,4288243251,4288256307,4288269363,4288282419,4288217190,4288230246,4288243302,4288256358,4288269414,4288282470,4288217241,4288230297,4288243353,4288256409,4288269465,4288282521,4288217292,4288230348,4288243404,4288256460,4288269516,4288282572,4288217343,4288230399,4288243455,4288256511,4288269567,4288282623,4291559424,4291572480,4291585536,4291598592,4291611648,4291624704,4291559475,4291572531,4291585587,4291598643,4291611699,4291624755,4291559526,4291572582,4291585638,4291598694,4291611750,4291624806,4291559577,4291572633,4291585689,4291598745,4291611801,4291624857,4291559628,4291572684,4291585740,4291598796,4291611852,4291624908,4291559679,4291572735,4291585791,4291598847,4291611903,4291624959,4294901760,4294914816,4294927872,4294940928,4294953984,4294967040,4294901811,4294914867,4294927923,4294940979,4294954035,4294967091,4294901862,4294914918,4294927974,4294941030,4294954086,4294967142,4294901913,4294914969,4294928025,4294941081,4294954137,4294967193,4294901964,4294915020,4294928076,4294941132,4294954188,4294967244,4294902015,4294915071,4294928127,4294941183,4294954239,4294967295]},primitiveBeCursor:function(e){if(this.display.cursorCanvas){var t=this.loadForm(this.stackNonInteger(e),!0),i=1===e?this.loadForm(this.stackNonInteger(0)):null;if(!this.success||!t)return!1;var r=this.display.cursorCanvas,s=r.getContext("2d"),n={left:0,top:0,right:t.width,bottom:t.height},i=(r.width=t.width,r.height=t.height,1===t.depth?i?(t=this.cursorMergeMask(t,i),this.showForm(s,t,n,[0,4278190335,4294967295,4278190080])):this.showForm(s,t,n,[0,4278190080]):this.showForm(s,t,n,!0),this.display.context.canvas),s=i.offsetWidth/i.width,n=this.display.highdpi?window.devicePixelRatio:1;r.style.width=(r.width*n*s|0)+"px",r.style.height=(r.height*n*s|0)+"px",this.display.cursorOffsetX=t.offsetX*s|0,this.display.cursorOffsetY=t.offsetY*s|0}return this.vm.popN(e),!0},cursorMergeMask:function(e,t){for(var i=new Uint32Array(16),r=0;r<16;r++){for(var s=e.bits[r],n=t.bits[r],a=2147483648,o=0,u=0;u<16;u++)o=o|(n&a)>>u|(s&a)>>u+1,a>>>=1;i[r]=o}return{obj:e.obj,bits:i,depth:2,width:16,height:16,offsetX:e.offsetX,offsetY:e.offsetY,msb:!0,pixPerWord:16,pitch:1}},primitiveBeDisplay:function(e){var t=this.vm.stackValue(0);return this.vm.specialObjects[Squeak.splOb_TheDisplay]=t,this.vm.popN(e),!0},primitiveReverseDisplay:function(e){if(this.reverseDisplay=!this.reverseDisplay,this.redrawDisplay(),this.display.cursorCanvas){for(var t=this.display.cursorCanvas,i=t.getContext("2d"),t=i.getImageData(0,0,t.width,t.height),r=new Uint32Array(t.data.buffer),s=0;s<r.length;s++)r[s]=16777215^r[s];i.putImageData(t,0,0)}return!0},primitiveShowDisplayRect:function(e){var t={left:this.stackInteger(3),top:this.stackInteger(1),right:this.stackInteger(2),bottom:this.stackInteger(0)};return!!this.success&&(this.redrawDisplay(t),this.vm.popN(e),!0)},redrawDisplay:function(e){var t=this.theDisplay(),i={left:0,top:0,right:t.width,bottom:t.height};e&&(e.left>i.left&&(i.left=e.left),e.right<i.right&&(i.right=e.right),e.top>i.top&&(i.top=e.top),e.bottom<i.bottom)&&(i.bottom=e.bottom),i.left<i.right&&i.top<i.bottom&&this.displayUpdate(t,i)},showForm:function(e,t,i,r){if(i){var s=i.left,n=i.top,a=i.right-s,o=i.bottom-n,u=e.createImageData(a,o),l=u.data,c=(l.buffer||(l=new Uint8Array(a*o*4)),new Uint32Array(l.buffer));switch(t.depth){case 1:case 2:case 4:case 8:if(!(h=r||this.swappedColors)){for(var h=[],f=0;f<256;f++){var p=(4278255360&(I=this.indexedColors[f]))+((16711680&I)>>16)+((255&I)<<16);h[f]=p}this.swappedColors=h}this.reverseDisplay&&(h=r?r.map(function(e){return 16777215^e}):(this.reversedColors||(this.reversedColors=h.map(function(e){return 16777215^e})),this.reversedColors));for(var d=(1<<t.depth)-1,m=32-(s%t.pixPerWord+1)*t.depth,v=0;v<o;v++){for(var g=t.pitch*n+(s/t.pixPerWord|0),k=m,b=t.bits[g],y=u.width*v,S=0;S<a;S++)c[y++]=h[b>>>k&d],(k-=t.depth)<0&&(k=32-t.depth,b=t.bits[++g]);n++}break;case 16:for(m=s%2?0:16,v=0;v<o;v++){for(g=t.pitch*n+(s/2|0),k=m,b=t.bits[g],y=u.width*v,S=0;S<a;S++){var F=b>>>k;c[y++]=((31744&F)>>7)+((992&F)<<6)+((31&F)<<19)+4278190080,(k-=16)<0&&(k=16,b=t.bits[++g])}n++}break;case 32:for(var O=r?0:4278190080,v=0;v<o;v++){for(g=t.pitch*n+s,y=u.width*v,S=0;S<a;S++){var I,p=4278255360&(I=t.bits[g++])|(16711680&I)>>16|(255&I)<<16|O;c[y++]=p}n++}break;default:throw Error("depth not implemented")}u.data!==l&&u.data.set(l),e.putImageData(u,i.left,i.top)}},primitiveDeferDisplayUpdates:function(e){var t=this.stackBoolean(0);return!!this.success&&(this.deferDisplayUpdates=t,this.vm.popN(e),!0)},primitiveForceDisplayUpdate:function(e){return this.vm.breakOut(),this.vm.popN(e),!0},primitiveScanCharacters:function(e){if(6!==e)return!1;var t=this.stackInteger(0),i=this.stackNonInteger(1),r=this.stackInteger(2),s=this.stackNonInteger(3),n=this.stackInteger(4),e=this.stackInteger(5);if(!this.success)return!1;if(i.pointersSize()<258||!s.isBytes())return!1;if(!(0<e&&0<n&&n<=s.bytesSize()))return!1;var a=this.stackNonInteger(6);if(!this.success||a.pointersSize()<4)return!1;var o=this.checkSmallInt(a.pointers[0]),u=this.checkSmallInt(a.pointers[1]),l=this.checkNonInteger(a.pointers[2]),c=this.checkNonInteger(a.pointers[3]);if(!this.success||256!==c.pointersSize())return!1;for(var h=l.pointersSize()-2,u=e;u<=n;){var f=s.bytes[u-1],p=i.pointers[f];if(!p.isNil)return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=u,this.popNandPushIfOK(7,p));f=this.checkSmallInt(c.pointers[f]);if(!this.success||f<0||h<f)return!1;var d=this.checkSmallInt(l.pointers[f]),f=this.checkSmallInt(l.pointers[f+1]);if(!this.success)return!1;f=o+f-d;if(r<f)return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=u,p=i.pointers[257],this.popNandPushIfOK(7,p));o=f+t,u+=1}return this.ensureSmallInt(o),!!this.success&&(a.pointers[0]=o,a.pointers[1]=n,p=i.pointers[256],this.popNandPushIfOK(7,p))},primitiveScreenSize:function(e){var t=this.display,i=t.width||t.context.canvas.width,t=t.height||t.context.canvas.height;return this.popNandPushIfOK(e+1,this.makePointWithXandY(i,t))},primitiveScreenScaleFactor:function(e){var t=this.display.scale||1;return this.popNandPushIfOK(e+1,this.makeFloat(1/t))},primitiveSetFullScreen:function(e){var t,i=this.stackBoolean(0);return!!this.success&&(this.display.fullscreen!=i&&(this.display.fullscreenRequest?(t=this.vm.freeze(),this.display.fullscreenRequest(i,function(){t()})):(this.display.fullscreen=i,this.vm.breakOut())),this.vm.popN(e),!0)},primitiveTestDisplayDepth:function(e){return this.popNandPushBoolIfOK(e+1,0<=[1,2,4,8,16,32].indexOf(this.stackInteger(0)))},loadForm:function(e,t){if(e.isNil)return null;var i={obj:e,bits:e.pointers[Squeak.Form_bits].wordsOrBytes(),depth:e.pointers[Squeak.Form_depth],width:e.pointers[Squeak.Form_width],height:e.pointers[Squeak.Form_height]};if(t&&(t=e.pointers[Squeak.Form_offset],i.offsetX=t.pointers?t.pointers[Squeak.Point_x]:0,i.offsetY=t.pointers?t.pointers[Squeak.Point_y]:0),0!==i.width&&0!==i.height){if(!(0<i.width&&0<i.height))return null;if(i.msb=0<i.depth,i.msb||(i.depth=-i.depth),!(0<i.depth))return null;if(i.pixPerWord=32/i.depth,i.pitch=(i.width+(i.pixPerWord-1))/i.pixPerWord|0,i.bits.length!==i.pitch*i.height){if(!(i.bits.length>i.pitch*i.height))return null;this.vm.warnOnce("loadForm(): "+i.bits.length+" !== "+i.pitch+"*"+i.height+"="+i.pitch*i.height)}}return i},theDisplay:function(){return this.loadForm(this.vm.specialObjects[Squeak.splOb_TheDisplay])},displayDirty:function(e,t){this.deferDisplayUpdates||e!=this.vm.specialObjects[Squeak.splOb_TheDisplay]||this.displayUpdate(this.theDisplay(),t)},displayUpdate:function(e,t){this.showForm(this.display.context,e,t),this.display.lastTick=this.vm.lastTick,this.display.idle=0},primitiveBeep:function(e){var t,i=Squeak.startAudioOut();return i?((t=i.createOscillator()).connect(i.destination),t.type="square",t.frequency.value=880,t.start(),t.stop(i.currentTime+.05)):this.vm.warnOnce("could not initialize audio"),this.popNIfOK(e)}}),Object.extend(Squeak,"files",{fsck:function(t,i,r,s,n){if(i=i||"",s=s||{dirs:[],files:[]},n=n||{dirs:0,files:0,bytes:0,deleted:0},!r&&(r={},Object.keys(Squeak.Settings).forEach(function(e){e=e.match(/squeak-file(\.lz)?:(.*)$/);e&&(r[e[2]]=!0)}),window.SqueakDBFake&&Object.keys(SqueakDBFake.bigFiles).forEach(function(e){r[e]=!0}),"undefined"!=typeof indexedDB))return this.dbTransaction("readonly","fsck cursor",function(e){e=e.openCursor();e.onsuccess=function(e){e=e.target.result;e?(r[e.key]=e.value.byteLength,e.continue()):Squeak.fsck(t,i,r,s,n)},e.onerror=function(e){console.error("fsck failed")}});var e,a=Squeak.dirList(i);for(e in a){var o=i+"/"+e;a[e][3]?(n.dirs++,"squeak:"+o in Squeak.Settings?Squeak.fsck(null,o,r,s,n):s.dirs.push(o)):(n.files++,o in r?(r[o]=null,n.bytes+=a[e][4]):s.files.push(o))}if(""===i){console.log("squeak fsck: "+n.dirs+" directories, "+n.files+" files, "+(n.bytes/1e6).toFixed(1)+" MBytes");var u=[];for(o in r)null!==(c=r[o])&&u.push({path:o,size:c});for(var l=0;l<u.length;l++){var o=Squeak.splitFilePath(u[l].path),c=u[l].size,h=(console.log("squeak fsck: restoring "+o.fullname+" ("+c+" bytes)"),Squeak.dirCreate(o.dirname,!0,"force"),Squeak.dirList(o.dirname)),f=Squeak.totalSeconds(),f=[o.basename,f,0,!1,c];h[o.basename]=f,Squeak.Settings["squeak:"+o.dirname]=JSON.stringify(h)}for(l=0;l<s.dirs.length;l++){i=s.dirs[l];Squeak.Settings["squeak:"+i]||(console.log("squeak fsck: cleaning up directory "+i),Squeak.dirDelete(i),n.dirs--,n.deleted++)}for(l=0;l<s.files.length;l++)(o=s.files[l])in r||Squeak.Settings["squeak:"+o]||(console.log("squeak fsck: cleaning up file entry "+o),Squeak.fileDelete(o),n.files--,n.deleted++);t&&t(n)}},dbTransaction:function(i,r,s,n){function t(){s(Squeak.dbFake()),n&&n()}if("undefined"==typeof indexedDB)return t();function a(){var e=SqueakDB.transaction("files",i),t=e.objectStore("files");e.oncomplete=function(e){n&&n()},e.onerror=function(e){console.error(e.target.error.name+": "+r)},e.onabort=function(e){console.error(e.target.error.name+": aborting "+r),s(Squeak.dbFake()),n&&n()},s(t)}if(window.SqueakDB)return a();var e;try{e=indexedDB.open("squeak")}catch(e){}if(!e)return t();e.onsuccess=function(e){Squeak.debugFiles&&console.log("Opened files database."),window.SqueakDB=this.result,SqueakDB.onversionchange=function(e){delete window.SqueakDB,this.close()},SqueakDB.onerror=function(e){console.error("Error accessing database: "+e.target.error.name)},a()},e.onupgradeneeded=function(e){Squeak.debugFiles&&console.log("Creating files database"),e.target.result.createObjectStore("files")},e.onerror=function(e){console.error(e.target.error.name+": cannot open files database"),console.warn("Falling back to local storage"),t()},e.onblocked=function(e){console.log("Database upgrade needed, but was blocked."),console.warn("Falling back to local storage"),t()}},dbFake:function(){return"undefined"==typeof SqueakDBFake&&("undefined"==typeof indexedDB&&console.warn("IndexedDB not supported by this browser, using localStorage"),window.SqueakDBFake={bigFiles:{},bigFileThreshold:1e5,get:function(e){var t=SqueakDBFake.bigFiles[e];if(!t){var i,r=Squeak.Settings["squeak-file:"+e];if(r||(i=Squeak.Settings["squeak-file.lz:"+e])&&("object"==typeof LZString?r=LZString.decompressFromUTF16(i):console.error("LZString not loaded: cannot decompress "+e)),r){for(var s=new Uint8Array(r.length),n=0;n<s.length;n++)s[n]=255&r.charCodeAt(n);t=s.buffer}}var a={result:t};return setTimeout(function(){a.onsuccess&&a.onsuccess({target:a})},0),a},put:function(e,t){e.byteLength>SqueakDBFake.bigFileThreshold?(SqueakDBFake.bigFiles[t]||console.log("File "+t+" ("+e.byteLength+" bytes) too large, storing in memory only"),SqueakDBFake.bigFiles[t]=e):(e=Squeak.bytesAsString(new Uint8Array(e)),"object"==typeof LZString?(i=LZString.compressToUTF16(e),Squeak.Settings["squeak-file.lz:"+t]=i,delete Squeak.Settings["squeak-file:"+t]):Squeak.Settings["squeak-file:"+t]=e);var i,r={};return setTimeout(function(){r.onsuccess&&r.onsuccess()},0),r},delete:function(e){delete Squeak.Settings["squeak-file:"+e],delete Squeak.Settings["squeak-file.lz:"+e],delete SqueakDBFake.bigFiles[e];var t={};return setTimeout(function(){t.onsuccess&&t.onsuccess()},0),t},openCursor:function(){var e={};return setTimeout(function(){e.onsuccess&&e.onsuccess({target:e})},0),e}}),SqueakDBFake},fileGet:function(e,t,i){i=i||function(e){console.log(e)};var r,s=this.splitFilePath(e);return s.basename?(Squeak.debugFiles&&(console.log("Reading "+s.fullname),r=t,t=function(e){console.log("Read "+e.byteLength+" bytes from "+s.fullname),r(e)}),window.SqueakDBFake&&SqueakDBFake.bigFiles[s.fullname]?t(SqueakDBFake.bigFiles[s.fullname]):void this.dbTransaction("readonly","get "+e,function(e){e=e.get(s.fullname);e.onerror=function(e){i(e.target.error.name)},e.onsuccess=function(e){if(void 0!==this.result)return t(this.result);Squeak.fetchTemplateFile(s.fullname,function(e){t(e)},function(){if("undefined"==typeof indexedDB)return i("file not found: "+s.fullname);var e=Squeak.dbFake().get(s.fullname);e.onerror=function(e){i("file not found: "+s.fullname)},e.onsuccess=function(e){t(this.result)}})}})):i("Invalid path: "+e)},filePut:function(e,t,i){var r=this.splitFilePath(e);if(!r.basename)return null;var s=this.dirList(r.dirname);if(!s)return null;var n=s[r.basename],a=this.totalSeconds();if(n){if(n[3])return null}else n=[r.basename,a,0,!1,0],s[r.basename]=n;return Squeak.debugFiles&&(console.log("Writing "+r.fullname+" ("+t.byteLength+" bytes)"),0<t.byteLength)&&e.endsWith(".log")&&console.log((new TextDecoder).decode(t).replace(/\r/g,"\n")),n[2]=a,n[4]=t.byteLength||t.length||0,Squeak.Settings["squeak:"+r.dirname]=JSON.stringify(s),this.dbTransaction("readwrite","put "+e,function(e){e.put(t,r.fullname)},function(){i&&i()}),n},fileDelete:function(e,t){var i,r,s=this.splitFilePath(e);return!!s.basename&&!!(i=this.dirList(s.dirname))&&!(!(r=i[s.basename])||r[3]||(delete i[s.basename],Squeak.Settings["squeak:"+s.dirname]=JSON.stringify(i),Squeak.debugFiles&&console.log("Deleting "+s.fullname),t||this.dbTransaction("readwrite","delete "+e,function(e){e.delete(s.fullname)}),0))},fileRename:function(e,t){var i,r,s,n=this.splitFilePath(e);return!(!n.basename||!(i=this.splitFilePath(t)).basename||!(e=this.dirList(n.dirname))||!(t=e[n.basename])||t[3]||!(s=(r=n.dirname==i.dirname)?e:this.dirList(i.dirname))||s[i.basename]||(Squeak.debugFiles&&console.log("Renaming "+n.fullname+" to "+i.fullname),delete e[n.basename],t[0]=i.basename,s[i.basename]=t,Squeak.Settings["squeak:"+i.dirname]=JSON.stringify(s),r||(Squeak.Settings["squeak:"+n.dirname]=JSON.stringify(e)),this.fileGet(n.fullname,function(t){this.dbTransaction("readwrite","rename "+n.fullname+" to "+i.fullname,function(e){e.delete(n.fullname),e.put(t,i.fullname)})}.bind(this),function(e){console.log("File rename failed: "+e)}.bind(this)),0))},fileExists:function(e){var t,e=this.splitFilePath(e);return!!e.basename&&!!(t=this.dirList(e.dirname))&&!(!(t=t[e.basename])||t[3])},dirCreate:function(e,t,i){e=this.splitFilePath(e);if(!e.basename)return!1;t&&!Squeak.Settings["squeak:"+e.dirname]&&Squeak.dirCreate(e.dirname,!0);t=this.dirList(e.dirname);if(!t)return!1;var r=t[e.basename];if(r){if(!r[3]){if(!i)return!1;r[3]=!0,Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t)}if(Squeak.Settings["squeak:"+e.fullname])return!0}Squeak.debugFiles&&console.log("Creating directory "+e.fullname);i=this.totalSeconds(),r=[e.basename,i,i,!0,0];return t[e.basename]=r,Squeak.Settings["squeak:"+e.fullname]=JSON.stringify({}),Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t),!0},dirDelete:function(e){e=this.splitFilePath(e);if(!e.basename)return!1;var t=this.dirList(e.dirname);if(!t)return!1;if(!t[e.basename])return!1;var i=this.dirList(e.fullname);if(i)for(var r in i)return!1;return Squeak.debugFiles&&console.log("Deleting directory "+e.fullname),delete t[e.basename],Squeak.Settings["squeak:"+e.dirname]=JSON.stringify(t),delete Squeak.Settings["squeak:"+e.fullname],!0},dirList:function(e,t){var i,e=this.splitFilePath(e),r=Squeak.Settings["squeak:"+e.fullname],t=t&&Squeak.Settings["squeak-template:"+e.fullname];function s(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[(i=t[i])[0]]=i)}return r||t?(i={},t&&s(i,JSON.parse(t).entries),r&&s(i,JSON.parse(r)),i):"/"==e.fullname?{}:null},splitFilePath:function(e){var t=(e=(e="/"!==e[0]?"/"+e:e).replace(/\/\//g,"/")).match(/(.*)\/(.*)/);return{fullname:e,dirname:t[1]||"/",basename:t[2]||null}},splitUrl:function(e,t){var i=e.match(/(.*\/)?(.*)/),r=i[1]||"",i=i[2]||"";return r.match(/^[a-z]+:\/\//)||(t&&!t.match(/\/$/)&&(t+="/"),e=(r=(t||"")+r)+i),{full:e,uptoslash:r,filename:i}},flushFile:function(e){var t;e.modified&&((t=e.contents.buffer).byteLength!==e.size&&(t=new ArrayBuffer(e.size),new Uint8Array(t).set(e.contents.subarray(0,e.size))),Squeak.filePut(e.name,t),e.modified=!1)},flushAllFiles:function(){if("undefined"!=typeof SqueakFiles)for(var e in SqueakFiles)this.flushFile(SqueakFiles[e])},closeAllFiles:function(){Squeak.flushAllFiles(),delete window.SqueakFiles},fetchTemplateDir:function(n,a){function o(e,t){var i,r=JSON.parse(Squeak.Settings["squeak-template:"+e]);for(i in r.entries){var s=r.entries[i];s[3]&&Squeak.fetchTemplateDir(e+"/"+s[0],t+"/"+s[0])}}var t,u;n=Squeak.splitFilePath(n).fullname,Squeak.Settings["squeak-template:"+n]?o(n,a):(t=a+"/sqindex.json",(u=new XMLHttpRequest).open("GET",t,!0),u.onload=function(e){if(200==u.status){console.log("adding template dir "+n),!function e(t){var i,r=Squeak.splitFilePath(t);"/"!==r.dirname&&e(r.dirname),(t=JSON.parse(Squeak.Settings["squeak-template:"+r.dirname]||'{"entries": {}}')).entries[r.basename]||(i=Squeak.totalSeconds(),t.entries[r.basename]=[r.basename,i,i,!0,0],Squeak.Settings["squeak-template:"+r.dirname]=JSON.stringify(t))}(n);var t,i=JSON.parse(u.response),r={url:a,entries:{}};for(t in i){var s=i[t];r.entries[s[0]]=s}Squeak.Settings["squeak-template:"+n]=JSON.stringify(r),o(n,a)}else u.onerror(u.statusText)},u.onerror=function(e){console.log("cannot load template index "+t)},u.send())},fetchTemplateFile:function(t,i,r){t=Squeak.splitFilePath(t);var e=Squeak.Settings["squeak-template:"+t.dirname];if(!e)return r();var s=JSON.parse(e).url;if(!s)return r();s+="/"+t.basename;e=new XMLHttpRequest;e.open("get",s,!0),e.responseType="arraybuffer",e.timeout=3e4,e.onreadystatechange=function(){var e;this.readyState==this.DONE&&(200==this.status?(e=this.response,console.log("Got "+e.byteLength+" bytes from "+s),Squeak.dirCreate(t.dirname,!0),Squeak.filePut(t.fullname,e),i(e)):(console.error("Download failed ("+this.status+") "+s),r()))},console.log("Fetching "+s),e.send()}}),Object.extend(Squeak,"events",{Mouse_Blue:1,Mouse_Yellow:2,Mouse_Red:4,Keyboard_Shift:8,Keyboard_Ctrl:16,Keyboard_Alt:32,Keyboard_Cmd:64,Mouse_All:7,Keyboard_All:120,EventTypeNone:0,EventTypeMouse:1,EventTypeKeyboard:2,EventTypeDragDropFiles:3,EventKeyChar:0,EventKeyDown:1,EventKeyUp:2,EventDragEnter:1,EventDragMove:2,EventDragLeave:3,EventDragDrop:4}),Object.extend(Squeak.Primitives.prototype,"input",{primitiveClipboardText:function(e){if(0===e){if("string"!=typeof this.display.clipboardString)return!1;this.vm.popNandPush(1,this.makeStString(this.display.clipboardString))}else 1===e&&((e=this.vm.top()).bytes&&(this.display.clipboardString=e.bytesAsString(),this.display.clipboardStringChanged=!0),this.vm.pop());return!0},primitiveKeyboardNext:function(e){return this.popNandPushIfOK(e+1,this.ensureSmallInt(this.display.keys.shift()))},primitiveKeyboardPeek:function(e){var t=this.display.keys.length;return this.popNandPushIfOK(e+1,t?this.ensureSmallInt(this.display.keys[0]||0):this.vm.nilObj)},primitiveMouseButtons:function(e){return this.popNandPushIfOK(e+1,this.ensureSmallInt(this.display.buttons)),this.vm.breakOut(),20<this.display.idle++&&this.vm.goIdle(),!0},primitiveMousePoint:function(e){var t=this.ensureSmallInt(this.display.mouseX),i=this.ensureSmallInt(this.display.mouseY);return this.popNandPushIfOK(e+1,this.makePointWithXandY(t,i))},primitiveInputSemaphore:function(e){var t=this.stackInteger(0);return!!this.success&&(this.inputEventSemaIndex=t,this.display.signalInputEvent=function(){this.signalSemaphoreWithIndex(this.inputEventSemaIndex)}.bind(this),this.display.signalInputEvent(),this.popNIfOK(e))},primitiveInputWord:function(e){return this.popNandPushIfOK(1,0)},primitiveGetNextEvent:function(e){this.display.idle++;var t=this.stackNonInteger(0);return!!this.display.getNextEvent&&(this.display.getNextEvent(t.pointers,this.vm.startupTime),this.popNIfOK(e))}}),Object.extend(Squeak.Primitives.prototype,"initialization",{initPlugins:function(){Object.extend(this.builtinModules,{JavaScriptPlugin:this.findPluginFunctions("js_"),FilePlugin:this.findPluginFunctions("","primitive(Disable)?(File|Directory)"),DropPlugin:this.findPluginFunctions("","primitiveDropRequest"),SoundPlugin:this.findPluginFunctions("snd_"),JPEGReadWriter2Plugin:this.findPluginFunctions("jpeg2_"),SqueakFFIPrims:this.findPluginFunctions("ffi_","",!0),SecurityPlugin:{primitiveDisableImageWrite:this.fakePrimitive.bind(this,"SecurityPlugin.primitiveDisableImageWrite",0)},LocalePlugin:{primitiveTimezoneOffset:this.fakePrimitive.bind(this,"LocalePlugin.primitiveTimezoneOffset",0)}}),Object.extend(this.patchModules,{ScratchPlugin:this.findPluginFunctions("scratch_")})},findPluginFunctions:function(e,t,i){t=t||"(initialise|shutdown|prim)";var r,s,n={},a=new RegExp("^"+e+t,"i");for(r in this)a.test(r)&&"function"==typeof this[r]&&(s=r,n[s=e?r[e.length].toLowerCase()+r.slice(e.length+1):s]=i?r:this[r].bind(this));return n}}),Object.extend(Squeak,"known classes",{ExtLibFunc_handle:0,ExtLibFunc_flags:1,ExtLibFunc_argTypes:2,ExtLibFunc_name:3,ExtLibFunc_module:4,ExtLibFunc_errorCodeName:5},"FFI error codes",{FFINoCalloutAvailable:-1,FFIErrorGenericError:0,FFIErrorNotFunction:1,FFIErrorBadArgs:2,FFIErrorBadArg:3,FFIErrorIntAsPointer:4,FFIErrorBadAtomicType:5,FFIErrorCoercionFailed:6,FFIErrorWrongType:7,FFIErrorStructSize:8,FFIErrorCallType:9,FFIErrorBadReturn:10,FFIErrorBadAddress:11,FFIErrorNoModule:12,FFIErrorAddressNotFound:13,FFIErrorAttemptToPassVoid:14,FFIErrorModuleNotFound:15,FFIErrorBadExternalLibrary:16,FFIErrorBadExternalFunction:17,FFIErrorInvalidPointer:18,FFIErrorCallFrameTooBig:19},"FFI types",{FFITypeVoid:0,FFITypeBool:1,FFITypeUnsignedInt8:2,FFITypeSignedInt8:3,FFITypeUnsignedInt16:4,FFITypeSignedInt16:5,FFITypeUnsignedInt32:6,FFITypeSignedInt32:7,FFITypeUnsignedInt64:8,FFITypeSignedInt64:9,FFITypeUnsignedChar8:10,FFITypeSignedChar8:11,FFITypeSingleFloat:12,FFITypeDoubleFloat:13,FFITypeUnsignedChar16:14,FFITypeUnsignedChar32:15,FFIFlagAtomic:262144,FFIFlagPointer:131072,FFIFlagStructure:65536,FFIFlagAtomicPointer:393216,FFIFlagMask:458752,FFIStructSizeMask:65535,FFIAtomicTypeMask:251658240,FFIAtomicTypeShift:24}),Object.extend(Squeak.Primitives.prototype,"FFI",{ffi_lastError:0,ffiModules:{},ffiDoCallout:function(e,t,i){this.ffi_lastError=Squeak.FFIErrorGenericError;var r=t.pointers[Squeak.ExtLibFunc_module].bytesAsString(),s=t.pointers[Squeak.ExtLibFunc_name].bytesAsString(),r=r||"libc",n=this.ffiModules[r];if(void 0===n){if(!Squeak.externalModules[r]){var a=["","lib"],o=["",".so",".so.9",".9",".so.8",".8",".so.7",".7",".so.6",".6",".so.5",".5",".so.4",".4",".so.3",".3",".so.2",".2",".so.1",".1"];e:for(var u=0;u<a.length;u++)for(var l=a[u],c=0;c<o.length;c++){var h=o[c];if(Squeak.externalModules[l+r+h]){n=l+r+h;break e}if(l&&r.startsWith(l)&&Squeak.externalModules[r.slice(l.length)+h]){n=r.slice(l.length)+h;break e}if(h&&r.endsWith(h)&&Squeak.externalModules[l+r.slice(0,-h.length)]){n=l+r.slice(0,-h.length);break e}}n&&console.log("FFI: found library "+r+" as module "+n)}this.ffiModules[r]=n=n||r}var f=this.loadedModules[n];if(void 0!==f||(f=this.loadModule(n),this.loadedModules[n]=f)||this.vm.warnOnce("FFI: library not found: "+r),!f)return this.ffi_lastError=Squeak.FFIErrorModuleNotFound,!1;for(var p,d=t.pointers[Squeak.ExtLibFunc_argTypes].pointers,m=[],v=0;v<i.length;v++)m.push(this.ffiArgFromSt(i[v],d[v+1]));if(s in f)p=f[s].apply(f,m);else if(this.vm.warnOnce("FFI: function not found: "+r+"::"+s)&&console.warn(m),void 0===(p=f.ffiFunctionNotFoundHandler?f.ffiFunctionNotFoundHandler(s,m):p))return this.ffi_lastError=Squeak.FFIErrorAddressNotFound,!1;t=this.ffiResultToSt(p,d[0]);return this.popNandPushIfOK(e+1,t)},ffiArgFromSt:function(e,t){var i,r,s=t.pointers[0].words[0];switch(s&Squeak.FFIFlagMask){case Squeak.FFIFlagAtomic:switch(i=(s&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeVoid:return null;case Squeak.FFITypeBool:if(e.isTrue)return!0;if(e.isFalse)return!1;if("number"==typeof e)return!!e;if(e.isFloat)return!!e.float;throw Error("FFI: expected bool, got "+e);case Squeak.FFITypeUnsignedInt8:case Squeak.FFITypeSignedInt8:case Squeak.FFITypeUnsignedInt16:case Squeak.FFITypeSignedInt16:case Squeak.FFITypeUnsignedInt32:case Squeak.FFITypeSignedInt32:case Squeak.FFITypeUnsignedInt64:case Squeak.FFITypeSignedInt64:case Squeak.FFITypeUnsignedChar8:case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar16:case Squeak.FFITypeUnsignedChar32:if("number"==typeof e)return e;throw Error("FFI: expected integer, got "+e);case Squeak.FFITypeSingleFloat:case Squeak.FFITypeDoubleFloat:if("number"==typeof e)return e;if(e.isFloat)return e.float;throw Error("FFI: expected float, got "+e);default:throw Error("FFI: unimplemented atomic arg type: "+i)}case Squeak.FFIFlagAtomicPointer:switch(i=(s&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeUnsignedChar8:if(e.bytes)return e.bytesAsString();if(e.words)return String.fromChar.apply(null,e.wordsAsUint8Array());if(this.interpreterProxy.isWordsOrBytes(e))return"";if(e.pointers&&e.pointers[0].jsData)if((r=e.pointers[0].jsData)instanceof"string")return r;throw Error("FFI: expected string, got "+e);case Squeak.FFITypeUnsignedInt8:if(e.bytes)return e.bytes;if(e.words)return e.wordsAsUint8Array();if(this.interpreterProxy.isWordsOrBytes(e))return new Uint8Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Uint8Array)return r;if(r instanceof ArrayBuffer)return new Uint8Array(r)}throw Error("FFI: expected bytes, got "+e);case Squeak.FFITypeUnsignedInt32:if(e.words)return e.words;if(this.interpreterProxy.isWords(e))return new Uint32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Uint32Array)return r;if(r instanceof ArrayBuffer)return new Uint32Array(r)}throw Error("FFI: expected words, got "+e);case Squeak.FFITypeSignedInt32:if(e.words)return e.wordsAsInt32Array();if(this.interpreterProxy.isWords(e))return new Int32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Int32Array)return r;if(r instanceof ArrayBuffer)return new Int32Array(r)}throw Error("FFI: expected words, got "+e);case Squeak.FFITypeSingleFloat:if(e.words)return e.wordsAsFloat32Array();if(e.isFloat)return new Float32Array([e.float]);if(this.interpreterProxy.isWords(e))return new Float32Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Float32Array)return r;if(r instanceof ArrayBuffer)return new Float32Array(r)}throw Error("FFI: expected floats, got "+e);case Squeak.FFITypeDoubleFloat:if(e.words)return e.wordsAsFloat64Array();if(e.isFloat)return new Float64Array([e.float]);if(this.interpreterProxy.isWords(e))return new Float64Array(0);if(e.pointers&&e.pointers[0].jsData){if((r=e.pointers[0].jsData)instanceof Float64Array)return r;if(r instanceof ArrayBuffer)return new Float64Array(r)}throw Error("FFI: expected floats, got "+e);case Squeak.FFITypeVoid:if(e.words)return e.words.buffer;if(e.bytes)return e.bytes.buffer;if(e.isNil||this.interpreterProxy.isWordsOrBytes(e))return new ArrayBuffer(0);if(e.pointers&&e.pointers[0].jsData)if((r=e.pointers[0].jsData)instanceof ArrayBuffer)return r;throw Error("FFI: expected words or bytes, got "+e);default:throw Error("FFI: unimplemented atomic array arg type: "+i)}default:throw Error("FFI: unimplemented arg type flags: "+s)}},ffiResultToSt:function(e,t){var i,r=t.pointers[0].words[0];switch(r&Squeak.FFIFlagMask){case Squeak.FFIFlagAtomic:switch(i=(r&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeVoid:return this.vm.nilObj;case Squeak.FFITypeBool:return e?this.vm.trueObj:this.vm.falseObj;case Squeak.FFITypeUnsignedInt8:case Squeak.FFITypeSignedInt8:case Squeak.FFITypeUnsignedInt16:case Squeak.FFITypeSignedInt16:case Squeak.FFITypeUnsignedInt32:case Squeak.FFITypeSignedInt32:case Squeak.FFITypeUnsignedInt64:case Squeak.FFITypeSignedInt64:case Squeak.FFITypeUnsignedChar8:case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar16:case Squeak.FFITypeUnsignedChar32:case Squeak.FFITypeSingleFloat:case Squeak.FFITypeDoubleFloat:if("number"!=typeof e)throw Error("FFI: expected number, got "+e);return this.makeStObject(e);default:throw Error("FFI: unimplemented atomic return type: "+i)}case Squeak.FFIFlagAtomicPointer:switch(i=(r&Squeak.FFIAtomicTypeMask)>>Squeak.FFIAtomicTypeShift){case Squeak.FFITypeSignedChar8:case Squeak.FFITypeUnsignedChar8:return this.makeStString(e);default:return this.ffiMakeStExternalData(e,t)}default:throw Error("FFI: unimplemented return type flags: "+r)}},ffiNextExtAddr:0,ffiMakeStExternalAddress:function(){var e=this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassExternalAddress],4);return new Uint32Array(e.bytes.buffer)[0]=++this.ffiNextExtAddr,e},ffiMakeStExternalData:function(e,t){var i=this.ffiMakeStExternalAddress(),e=(i.jsData=e,this.vm.instantiateClass(this.vm.specialObjects[Squeak.splOb_ClassExternalData],0));return e.pointers[0]=i,e.pointers[1]=t,e},ffiDataFromStack:function(e){e=this.stackNonInteger(e);return void 0!==e.jsData?e.jsData:e.bytes||e.words||(this.vm.warnOnce("FFI: expected ExternalAddress with jsData, got "+e),void(this.success=!1))},ffi_primitiveFFIAllocate:function(e){var t,i=this.stackInteger(0);return!!this.success&&((t=this.ffiMakeStExternalAddress()).jsData=new ArrayBuffer(i),this.popNandPushIfOK(e+1,t))},ffi_primitiveFFIFree:function(e){var t=this.stackNonInteger(0);return!!this.success&&(void 0===t.jsData?(this.vm.warnOnce("primitiveFFIFree: expected ExternalAddress with jsData, got "+t),!1):(delete t.jsData,!0))},primitiveCalloutToFFI:function(e,t){t=t.pointers[1];if(!this.isKindOf(t,Squeak.splOb_ClassExternalFunction))return!1;for(var i=[],r=e-1;0<=r;r--)i.push(this.vm.stackValue(r));return this.ffiDoCallout(e,t,i)},ffi_primitiveCalloutWithArgs:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!!this.isKindOf(t,Squeak.splOb_ClassExternalFunction)&&this.ffiDoCallout(e,t,i.pointers)},ffi_primitiveFFIGetLastError:function(e){return this.popNandPushIfOK(e+1,this.ffi_lastError)},ffi_primitiveFFIIntegerAt:function(e){var t,i=this.ffiDataFromStack(3),r=this.stackInteger(2),s=this.stackInteger(1),n=this.stackBoolean(0);if(!this.success)return!1;if(r<0||s<1||8<s||0!=(s&s-1))return!1;if(1!==s||n)return this.vm.warnOnce("FFI: unimplemented integer type size: "+s+" signed: "+n),!1;if("string"==typeof i)t=i.charCodeAt(r-1)||0;else{if(!(i instanceof Uint8Array))return this.vm.warnOnce("FFI: expected string or Uint8Array, got "+typeof i),!1;t=i[r]||0}return this.popNandPushIfOK(e+1,t)},ffi_primitiveFFIDoubleAtPut:function(e){var t=this.ffiDataFromStack(2),i=this.stackInteger(1),r=this.vm.stackValue(0),s=r.isFloat?r.float:r;return!(!this.success||"number"!=typeof s)&&(7&--i?new DataView(t).setFloat64(i,s,!0):new Float64Array(t)[i/8]=s,this.popNandPushIfOK(e+1,r))}}),Object.extend(Squeak.Primitives.prototype,"JavaScriptPlugin",{js_primitiveDoUnderstand:function(e){var t=this.stackNonInteger(1),i=this.js_objectOrGlobal(t),r=this.stackNonInteger(0).pointers,s=r[0].bytesAsString(),r=r[1].pointers||[],n=!("jsObject"in t),a=null;try{var o,u=s.match(/([^:]*)/)[0];if(n||"new"!==u){if(!(u in i))return this.js_setError("Property not found: "+u);var l=i[u];if("function"==typeof l&&(!n||0<r.length))a=l.apply(i,this.js_fromStArray(r));else if(0==r.length)a=l;else{if(1!=r.length)return this.js_setError("Property "+u+" is not a function");i[u]=this.js_fromStObject(r[0])}}else a=new(0===r.length?i:(o=[null].concat(this.js_fromStArray(r)),Function.prototype.bind.apply(i,o)))}catch(e){return this.js_setError(e.message)}s=this.makeStObject(a,t.sqClass);return this.popNandPushIfOK(e+1,s)},js_primitiveAsString:function(e){var t=this.js_objectOrGlobal(this.stackNonInteger(0));return this.popNandPushIfOK(e+1,this.makeStString(String(t)))},js_primitiveTypeof:function(e){var t=this.js_objectOrGlobal(this.stackNonInteger(0));return this.popNandPushIfOK(e+1,this.makeStString(typeof t))},js_primitiveAt:function(e){var t=this.stackNonInteger(1),i=this.vm.stackValue(0);try{var r=this.js_objectOrGlobal(t)[this.js_fromStObject(i)],s=this.makeStObject(r,t.sqClass)}catch(e){return this.js_setError(e.message)}return this.popNandPushIfOK(e+1,s)},js_primitiveAtPut:function(e){var t=this.stackNonInteger(2),i=this.vm.stackValue(1),r=this.vm.stackValue(0);try{var s=this.js_objectOrGlobal(t),n=this.js_fromStObject(i),a=this.js_fromStObject(r);s[n]=a}catch(e){return this.js_setError(e.message)}return this.popNandPushIfOK(e+1,r)},js_primitiveSqueakAsJSObject:function(e){var t=this.stackNonInteger(1),i=this.vm.stackValue(0);return this.success&&(t.jsObject=i),this.popNIfOK(e)},js_primitiveInitCallbacks:function(e){return this.js_callbackSema=this.stackInteger(0),this.js_activeCallback=null,this.popNIfOK(e)},js_primitiveGetActiveCallbackBlock:function(e){var t=this.js_activeCallback;return t?this.popNandPushIfOK(e+1,t.block):this.js_setError("No active callback")},js_primitiveGetActiveCallbackArgs:function(e){var t=this.stackNonInteger(e),i=this.js_activeCallback;if(!i)return this.js_setError("No active callback");try{var r=this.makeStArray(i.args,t);return this.popNandPushIfOK(e+1,r)}catch(e){return this.js_setError(e.message)}},js_primitiveReturnFromCallback:function(e){return 1===e&&(this.js_activeCallback?(this.js_activeCallback.result=this.vm.pop(),this.vm.breakOut(),!0):this.js_setError("No active callback"))},js_primitiveGetError:function(e){var t=this.makeStObject(this.js_error);return this.js_error=null,this.popNandPushIfOK(e+1,t)},js_setError:function(e){return this.js_error=String(e),!1},js_fromStObject:function(e){if("number"==typeof e)return e;if(e.jsObject)return e.jsObject;if(e.isFloat)return e.float;if(e.isNil)return null;if(e.isTrue)return!0;if(e.isFalse)return!1;if(e.bytes||e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassString])return e.bytesAsString();if(e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassArray])return this.js_fromStArray(e.pointers||[],!0);if(e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassBlockContext]||e.sqClass===this.vm.specialObjects[Squeak.splOb_ClassBlockClosure])return this.js_fromStBlock(e);throw Error("asJSArgument needed for "+e)},js_fromStArray:function(e,t){if(0<e.length&&t&&this.isAssociation(e[0]))return this.js_fromStDict(e);for(var i=[],r=0;r<e.length;r++)i.push(this.js_fromStObject(e[r]));return i},js_fromStDict:function(e){for(var t={},i=0;i<e.length;i++){var r=e[i].pointers;if(!r||2!==r.length)throw Error(r+" is not an Association");var s=this.js_fromStObject(r[0]),r=this.js_fromStObject(r[1]);t[s]=r}return t},js_fromStBlock:function(r){if(!this.js_callbackSema)throw Error("CallbackSemaphore not set");this.vm.reclaimableContextCount=0;var t=r.pointers[Squeak.BlockContext_argumentCount],s=("number"!=typeof t&&(t=r.pointers[Squeak.Closure_numArgs]),this);return function(){for(var i=[],e=0;e<t;e++)i.push(arguments[e]);return new Promise(function(e,t){self.setTimeout(function(){s.js_executeCallbackAsync(r,i,e,t)},0)})}},js_executeCallbackAsync:function(e,t,i,r){var s=this;this.js_activeCallback||this.vm.frozen?self.setTimeout(function(){s.js_executeCallbackAsync(e,t,i,r)},0):this.js_executeCallback(e,t,i,r)},js_executeCallback:function(t,e,i,r){if(this.js_activeCallback)return console.error("Callback: already active");this.js_activeCallback={block:t,args:e,result:null},this.signalSemaphoreWithIndex(this.js_callbackSema),this.vm.forceInterruptCheck();for(var s=Date.now()+500;Date.now()<s&&!this.js_activeCallback.result;)this.vm.interpret();t=this.js_activeCallback.result;if(this.js_activeCallback=null,t)try{i(this.js_fromStObject(t))}catch(e){i(t.toString())}else r(Error("SqueakJS timeout"))},js_objectOrGlobal:function(e){return"jsObject"in e?e.jsObject:self}}),Object.extend(Squeak.Primitives.prototype,"Obsolete",{primitiveFloatArrayAt:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAt",e)},primitiveFloatArrayMulFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveMulFloatArray",e)},primitiveFloatArrayAddScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAddScalar",e)},primitiveFloatArrayDivFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDivFloatArray",e)},primitiveFloatArrayDivScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDivScalar",e)},primitiveFloatArrayHash:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveHash",e)},primitiveFloatArrayAtPut:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAtPut",e)},primitiveFloatArrayMulScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveMulScalar",e)},primitiveFloatArrayAddFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveAddFloatArray",e)},primitiveFloatArraySubScalar:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveSubScalar",e)},primitiveFloatArraySubFloatArray:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveSubFloatArray",e)},primitiveFloatArrayEqual:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveEqual",e)},primitiveFloatArrayDotProduct:function(e){return this.namedPrimitive("FloatArrayPlugin","primitiveDotProduct",e)},m23PrimitiveInvertRectInto:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveInvertRectInto",e)},m23PrimitiveTransformPoint:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveTransformPoint",e)},m23PrimitiveIsPureTranslation:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveIsPureTranslation",e)},m23PrimitiveComposeMatrix:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveComposeMatrix",e)},m23PrimitiveTransformRectInto:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveTransformRectInto",e)},m23PrimitiveIsIdentity:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveIsIdentity",e)},m23PrimitiveInvertPoint:function(e){return this.namedPrimitive("Matrix2x3Plugin","primitiveInvertPoint",e)},primitiveDeflateBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveDeflateBlock",e)},primitiveDeflateUpdateHashTable:function(e){return this.namedPrimitive("ZipPlugin","primitiveDeflateUpdateHashTable",e)},primitiveUpdateGZipCrc32:function(e){return this.namedPrimitive("ZipPlugin","primitiveUpdateGZipCrc32",e)},primitiveInflateDecompressBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveInflateDecompressBlock",e)},primitiveZipSendBlock:function(e){return this.namedPrimitive("ZipPlugin","primitiveZipSendBlock",e)},primitiveFFTTransformData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTTransformData",e)},primitiveFFTScaleData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTScaleData",e)},primitiveFFTPermuteData:function(e){return this.namedPrimitive("FFTPlugin","primitiveFFTPermuteData",e)},gePrimitiveMergeFillFrom:function(e){return this.namedPrimitive("B2DPlugin","primitiveMergeFillFrom",e)},gePrimitiveCopyBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveCopyBuffer",e)},gePrimitiveAddRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddRect",e)},gePrimitiveAddGradientFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddGradientFill",e)},gePrimitiveSetClipRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetClipRect",e)},gePrimitiveSetBitBltPlugin:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetBitBltPlugin",e)},gePrimitiveRegisterExternalEdge:function(e){return this.namedPrimitive("B2DPlugin","primitiveRegisterExternalEdge",e)},gePrimitiveGetClipRect:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetClipRect",e)},gePrimitiveAddBezier:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBezier",e)},gePrimitiveInitializeProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveInitializeProcessing",e)},gePrimitiveRenderImage:function(e){return this.namedPrimitive("B2DPlugin","primitiveRenderImage",e)},gePrimitiveGetOffset:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetOffset",e)},gePrimitiveSetDepth:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetDepth",e)},gePrimitiveAddBezierShape:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBezierShape",e)},gePrimitiveSetEdgeTransform:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetEdgeTransform",e)},gePrimitiveGetTimes:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetTimes",e)},gePrimitiveNextActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextActiveEdgeEntry",e)},gePrimitiveAddBitmapFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddBitmapFill",e)},gePrimitiveGetDepth:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetDepth",e)},gePrimitiveAbortProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveAbortProcessing",e)},gePrimitiveNextGlobalEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextGlobalEdgeEntry",e)},gePrimitiveGetFailureReason:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetFailureReason",e)},gePrimitiveDisplaySpanBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveDisplaySpanBuffer",e)},gePrimitiveGetCounts:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetCounts",e)},gePrimitiveChangedActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveChangedActiveEdgeEntry",e)},gePrimitiveRenderScanline:function(e){return this.namedPrimitive("B2DPlugin","primitiveRenderScanline",e)},gePrimitiveGetBezierStats:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetBezierStats",e)},gePrimitiveFinishedProcessing:function(e){return this.namedPrimitive("B2DPlugin","primitiveFinishedProcessing",e)},gePrimitiveNeedsFlush:function(e){return this.namedPrimitive("B2DPlugin","primitiveNeedsFlush",e)},gePrimitiveAddLine:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddLine",e)},gePrimitiveSetOffset:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetOffset",e)},gePrimitiveNextFillEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveNextFillEntry",e)},gePrimitiveInitializeBuffer:function(e){return this.namedPrimitive("B2DPlugin","primitiveInitializeBuffer",e)},gePrimitiveDoProfileStats:function(e){return this.namedPrimitive("B2DPlugin","primitiveDoProfileStats",e)},gePrimitiveAddActiveEdgeEntry:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddActiveEdgeEntry",e)},gePrimitiveSetAALevel:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetAALevel",e)},gePrimitiveNeedsFlushPut:function(e){return this.namedPrimitive("B2DPlugin","primitiveNeedsFlushPut",e)},gePrimitiveAddCompressedShape:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddCompressedShape",e)},gePrimitiveSetColorTransform:function(e){return this.namedPrimitive("B2DPlugin","primitiveSetColorTransform",e)},gePrimitiveAddOval:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddOval",e)},gePrimitiveRegisterExternalFill:function(e){return this.namedPrimitive("B2DPlugin","primitiveRegisterExternalFill",e)},gePrimitiveAddPolygon:function(e){return this.namedPrimitive("B2DPlugin","primitiveAddPolygon",e)},gePrimitiveGetAALevel:function(e){return this.namedPrimitive("B2DPlugin","primitiveGetAALevel",e)}}),Object.extend(Squeak.Primitives.prototype,"DropPlugin",{primitiveDropRequestFileHandle:function(e){var t=this.stackInteger(0),i=this.display.droppedFiles||[];return!(t<1||t>i.length||(i=i[t-1],!(t=this.fileOpen(i,!1)))||(i=this.makeFileHandle(i,t,!1),this.popNandPushIfOK(e+1,i),0))},primitiveDropRequestFileName:function(e){var t=this.stackInteger(0),i=this.display.droppedFiles||[];return!(t<1||t>i.length)&&(i=this.makeStString(this.filenameToSqueak(i[t-1])),this.popNandPushIfOK(e+1,i))}}),Object.extend(Squeak.Primitives.prototype,"FilePlugin",{primitiveDirectoryCreate:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.dirCreate(t),this.success||(t=Squeak.splitFilePath(t),Squeak.debugFiles&&console.warn("Directory not created: "+t.fullname)),this.popNIfOK(e))},primitiveDirectoryDelete:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.dirDelete(t),this.popNIfOK(e))},primitiveDirectoryDelimitor:function(e){var t=this.emulateMac?":":"/";return this.popNandPushIfOK(1,this.charFromInt(t.charCodeAt(0)))},primitiveDirectoryEntry:function(e){var t,i=this.stackNonInteger(1),r=this.stackNonInteger(0);return!!this.success&&(r=r.bytesAsString(),r=this.filenameFromSqueak(r),i=i.bytesAsString(),i=this.filenameFromSqueak(i),(t=Squeak.dirList(i,!0))?(t="."===r?[".",0,0,!0,0]:t[r],this.popNandPushIfOK(e+1,this.makeStObject(t)),!0):(r=Squeak.splitFilePath(i),Squeak.debugFiles&&console.log("Directory not found: "+r.fullname),!1))},primitiveDirectoryLookup:function(e){var t=this.stackInteger(0),i=this.stackNonInteger(1);if(!this.success)return!1;var i=i.bytesAsString(),r=this.filenameFromSqueak(i),s=Squeak.dirList(r,!0);if(!s)return n=Squeak.splitFilePath(r),Squeak.debugFiles&&console.log("Directory not found: "+n.fullname),!1;Squeak.debugFiles&&1===t&&console.log("Reading directory "+r+" with "+Object.keys(s).length+" entries");var n=s[Object.keys(s).sort()[t-1]];return"/"===i&&(1===t?((n=n||[0,0,0,0,0])[0]="SqueakJS",n[3]=!0):n=null),this.popNandPushIfOK(e+1,this.makeStObject(n)),!0},primitiveDirectorySetMacTypeAndCreator:function(e){return this.popNIfOK(e)},primitiveFileAtEnd:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeStObject(t.filePos>=t.file.size)),0))},primitiveFileClose:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file)&&("string"==typeof t.file?this.fileConsoleFlush(t.file):(this.fileClose(t.file),this.vm.breakOut(),t.file=null),this.popNIfOK(e))},primitiveFileDelete:function(e){var t=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),this.success=Squeak.fileDelete(t),this.popNIfOK(e))},primitiveFileFlush:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file)&&("string"==typeof t.file?this.fileConsoleFlush(t.file):(Squeak.flushFile(t.file),this.vm.breakOut()),this.popNIfOK(e))},primitiveFileGetPosition:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t.filePos)),0))},makeFileHandle:function(e,t,i){e=this.makeStString("squeakjs:"+e);return e.file=t,e.fileWrite=i,e.filePos=0,e},primitiveFileOpen:function(e){var t=this.stackBoolean(0),i=this.stackNonInteger(1);return!!this.success&&(i=this.filenameFromSqueak(i.bytesAsString()),!!(i=this.fileOpen(i,t)))&&(i=this.makeFileHandle(i.name,i,t),this.popNandPushIfOK(e+1,i),!0)},primitiveFileRead:function(s){var n,a=this.stackInteger(0),o=this.stackInteger(1)-1,u=this.stackNonInteger(2),l=this.stackNonInteger(3);return!!(this.success&&u.isWordsOrBytes()&&l.file)&&(a?((n=u.bytes)||(n=u.wordsAsUint8Array(),o*=4,a*=4),!(o<0||o+a>n.length)&&("string"==typeof l.file?(this.popNandPushIfOK(s+1,0),!0):this.fileContentsDo(l.file,function(e){if(!e.contents)return this.popNandPushIfOK(s+1,0);var t=e.contents,i=n;a=Math.min(a,e.size-l.filePos);for(var r=0;r<a;r++)i[o+r]=t[l.filePos++];u.bytes||(a>>=2),this.popNandPushIfOK(s+1,Math.max(0,a))}.bind(this)))):this.popNandPushIfOK(s+1,0))},primitiveFileRename:function(e){var t=this.stackNonInteger(1),i=this.stackNonInteger(0);return!!this.success&&(t=this.filenameFromSqueak(t.bytesAsString()),i=this.filenameFromSqueak(i.bytesAsString()),this.success=Squeak.fileRename(t,i),this.vm.breakOut(),this.popNIfOK(e))},primitiveFileSetPosition:function(e){var t=this.stackPos32BitInt(0),i=this.stackNonInteger(1);return!(!this.success||!i.file)&&(i.filePos=t,this.popNIfOK(e))},primitiveFileSize:function(e){var t=this.stackNonInteger(0);return!(!this.success||!t.file||(this.popNandPushIfOK(e+1,this.makeLargeIfNeeded(t.file.size)),0))},primitiveFileStdioHandles:function(e){var t=[null,this.makeFileHandle("console.log","log",!0),this.makeFileHandle("console.error","error",!0)];return this.popNandPushIfOK(e+1,this.makeStArray(t)),!0},primitiveFileTruncate:function(e){var t=this.stackPos32BitInt(0),i=this.stackNonInteger(1);return!!(this.success&&i.file&&i.fileWrite)&&(i.file.size>t&&(i.file.size=t,i.file.modified=!0,i.filePos>i.file.size)&&(i.filePos=i.file.size),this.popNIfOK(e))},primitiveDisableFileAccess:function(e){return this.fakePrimitive("FilePlugin.primitiveDisableFileAccess",0,e)},primitiveFileWrite:function(n){var a,o=this.stackInteger(0),u=this.stackInteger(1)-1,e=this.stackNonInteger(2),l=this.stackNonInteger(3);return!!(this.success&&l.file&&l.fileWrite)&&(o?((a=e.bytes)||(a=e.wordsAsUint8Array(),u*=4,o*=4),!!a&&!(u<0||u+o>a.length)&&("string"==typeof l.file?(this.fileConsoleWrite(l.file,a,u,o),this.popNandPushIfOK(n+1,o),!0):this.fileContentsDo(l.file,function(e){var t,i=a,r=e.contents||[];l.filePos+o>r.length&&(t=0===r.length?l.filePos+o:Math.max(l.filePos+o,r.length+1e4),e.contents=new Uint8Array(t),e.contents.set(r),r=e.contents);for(var s=0;s<o;s++)r[l.filePos++]=i[u+s];l.filePos>e.size&&(e.size=l.filePos),e.modified=!0,this.popNandPushIfOK(n+1,o)}.bind(this)))):this.popNandPushIfOK(n+1,0))},fileOpen:function(e,t){"undefined"==typeof SqueakFiles&&(window.SqueakFiles={});e=Squeak.splitFilePath(e);if(!e.basename)return null;var i=Squeak.dirList(e.dirname,!0);if(!i)return null;var i=i[e.basename],r=null;if(i){if(s=SqueakFiles[e.fullname])return++s.refCount,s}else{if(!t)return Squeak.debugFiles&&console.log("File not found: "+e.fullname),null;if(r=new Uint8Array,!(i=Squeak.filePut(e.fullname,r.buffer)))return Squeak.debugFiles&&console.log("Cannot create file: "+e.fullname),null}var s={name:e.fullname,size:i[4],contents:r,modified:!1,refCount:1};return SqueakFiles[s.name]=s},fileClose:function(e){Squeak.flushFile(e),0==--e.refCount&&delete SqueakFiles[e.name]},fileContentsDo:function(r,s){if(r.contents)s(r);else{if(!1===r.contents)return!1;this.vm.freeze(function(t){var i=function(e){console.warn("File get failed: "+e),r.contents=!1,t(),s(r)}.bind(this),e=function(e){if(null==e)return i(r.name);r.contents=this.asUint8Array(e),t(),s(r)}.bind(this);Squeak.fileGet(r.name,e,i)}.bind(this))}return!0},fileConsoleBuffer:{log:"",error:""},fileConsoleWrite:function(e,t,i,r){t=t.subarray(i,i+r),i=this.fileConsoleBuffer[e]+Squeak.bytesAsString(t),r=i.match("([^]*)\n(.*)");r&&(console[e](r[1]),i=r[2]),this.fileConsoleBuffer[e]=i},fileConsoleFlush:function(e){var t=this.fileConsoleBuffer[e];t&&(console[e](t),this.fileConsoleBuffer[e]="")}}),Object.extend(Squeak.Primitives.prototype,"JPEGReadWriter2Plugin",{jpeg2_primJPEGPluginIsPresent:function(e){return this.popNandPushIfOK(e+1,this.vm.trueObj)},jpeg2_primImageHeight:function(e){var t=this.stackNonInteger(0).wordsOrBytes();return!!t&&(t=t[1],this.popNandPushIfOK(e+1,t))},jpeg2_primImageWidth:function(e){var t=this.stackNonInteger(0).wordsOrBytes();return!!t&&(t=t[0],this.popNandPushIfOK(e+1,t))},jpeg2_primJPEGCompressStructSize:function(e){return this.popNandPushIfOK(e+1,0)},jpeg2_primJPEGDecompressStructSize:function(e){return this.popNandPushIfOK(e+1,8)},jpeg2_primJPEGErrorMgr2StructSize:function(e){return this.popNandPushIfOK(e+1,0)},jpeg2_primJPEGReadHeaderfromByteArrayerrorMgr:function(e){var t,i=this.stackNonInteger(2).wordsOrBytes(),r=this.stackNonInteger(1).bytes;return!(!i||!r)&&(t=this.vm.freeze(),this.jpeg2_readImageFromBytes(r,function(e){this.jpeg2state={src:r,img:e},i[0]=e.width,i[1]=e.height,t()}.bind(this),function(){i[0]=0,i[1]=0,t()}.bind(this)),this.popNIfOK(e))},jpeg2_primJPEGReadImagefromByteArrayonFormdoDitheringerrorMgr:function(e){var t=this.stackNonInteger(3).bytes,i=this.stackNonInteger(2).pointers,r=this.stackBoolean(1);if(!this.success||!t||!i)return!1;var s=this.jpeg2state;if(!s||s.src!==t)return console.error("jpeg read did not match header info"),!1;t=i[Squeak.Form_depth],s=this.jpeg2_getPixelsFromImage(s.img),i=i[Squeak.Form_bits].words;if(32===t)this.jpeg2_copyPixelsToForm32(s,i);else{if(16!==t)return!1;r?this.jpeg2_ditherPixelsToForm16(s,i):this.jpeg2_copyPixelsToForm16(s,i)}return this.popNIfOK(e)},jpeg2_primJPEGWriteImageonByteArrayformqualityprogressiveJPEGerrorMgr:function(e){var t,i,r,s,n,a;return!(e<6||(t=this.stackNonInteger(4).bytes,n=this.stackNonInteger(3).pointers,i=this.stackInteger(2),!(this.success&&t&&n)))&&(r=n[Squeak.Form_width],s=n[Squeak.Form_height],a=n[Squeak.Form_depth],n=n[Squeak.Form_bits].words,32!==a?(this.vm.warnOnce("JPEG2WriteImage: only 32 bit depth supported"),!1):(a=this.jpeg2_writeFormToBytes(n,r,s,i,t),this.popNandPushIfOK(e+1,a)))},jpeg2_writeFormToBytes:function(e,t,i,r,s){for(var n=document.createElement("canvas"),a=n.getContext("2d"),t=(n.width=t,n.height=i,a.createImageData(t,i)),o=t.data,u=0;u<e.length;u++){var l=e[u];o[4*u+0]=l>>16&255,o[4*u+1]=l>>8&255,o[4*u+2]=255&l,o[4*u+3]=255}a.putImageData(t,0,0);i=n.toDataURL("image/jpeg",r/100);return this.jpeg2_dataURLToBytes(i,s)},jpeg2_dataURLToBytes:function(e,t){e=e.split(",")[1];if(!e)return 0;if(3*e.length/4-3>t.length)return 0;var i=atob(e);if(i.length>t.length)return 0;for(var r=0;r<i.length;r++)t[r]=i.charCodeAt(r);return i.length},jpeg2_readImageFromBytes:function(e,t,i){var e=new Blob([e],{type:"image/jpeg"}),r=new Image;r.onload=function(){t(r),URL.revokeObjectURL(r.src)},r.onerror=function(){console.warn("could not render JPEG"),i(),URL.revokeObjectURL(r.src)},r.src=URL.createObjectURL(e)},jpeg2_getPixelsFromImage:function(e){var t=document.createElement("canvas"),i=t.getContext("2d");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height)},jpeg2_copyPixelsToForm32:function(e,t){for(var i=e.data,r=0;r<t.length;r++){var s=i[4*r+0],n=i[4*r+1],a=i[4*r+2];t[r]=4278190080|s<<16|n<<8|a}},jpeg2_copyPixelsToForm16:function(e,t){for(var i=e.width,r=e.height,s=e.data,n=0;n<r;n++)for(var a=0;a<i;a+=2){var o=n*r+a,u=s[4*o+0]>>3<<10|s[4*o+1]>>3<<5|s[4*o+2]>>3;0==(65535&(u=(u=0===u?1:u)<<16|s[4*o+4]>>3<<10|s[4*o+5]>>3<<5|s[4*o+6]>>3))&&(u|=1),t[o>>1]=u}},jpeg2_ditherPixelsToForm16:function(e,t){for(var i=e.width>>1,r=e.height,s=e.data,n=[2,0,14,12,1,3,13,15],a=[10,8,6,4,9,11,5,7],o=0;o<r;o++)for(var u=0;u<i;u++){var l=o*r+2*u<<2,c=s[l],h=s[1+l],f=s[2+l],p=s[4+l],d=s[5+l],m=s[6+l],v=(3&o)<<1|1&u,g=n[v],v=a[v],k=496*c>>8,b=15&k,y=k>>4,c=g<b?1+y:y;y=(k=496*h>>8)>>4,h=g<(15&k)?1+y:y,y=(k=496*f>>8)>>4,f=g<(15&k)?1+y:y,y=(k=496*p>>8)>>4,p=v<(15&k)?1+y:y,y=(k=496*d>>8)>>4,d=v<(15&k)?1+y:y,y=(k=496*m>>8)>>4;b=c<<10|h<<5|f;0==(65535&(b=(b=0===b?1:b)<<16|p<<10|d<<5|(m=v<(15&k)?1+y:y)))&&(b|=1),t[l>>3]=b}}}),Object.extend(Squeak.Primitives.prototype,"ScratchPluginAdditions",{scratch_primitiveOpenURL:function(e){var t,i,r=this.stackNonInteger(0).bytesAsString();return""!=r&&(/^\/SqueakJS\//.test(r)&&(r=r.slice(10),t=Squeak.splitFilePath(r),i=Squeak.Settings["squeak-template:"+t.dirname])&&(r=JSON.parse(i).url+"/"+t.basename),window.open(r,"_blank"),this.popNIfOK(e))},scratch_primitiveGetFolderPath:function(e){var t,i=this.stackInteger(0);return!!this.success&&!!(t=1===i?"/":t)&&(this.vm.popNandPush(e+1,this.makeStString(this.filenameToSqueak(t))),!0)}}),Object.extend(Squeak.Primitives.prototype,"SoundPlugin",{snd_primitiveSoundStart:function(e){return this.snd_primitiveSoundStartWithSemaphore(e)},snd_primitiveSoundStartWithSemaphore:function(e){var t=this.stackInteger(e-1),i=this.stackInteger(e-2),r=this.stackBoolean(e-3),s=3<e?this.stackInteger(e-4):0;return!!this.success&&(this.audioContext=Squeak.startAudioOut(),this.audioContext?(this.audioSema=s,this.audioNextTimeSlot=0,this.audioBuffersReady=[],this.audioBuffersUnused=[this.audioContext.createBuffer(r?2:1,t,i),this.audioContext.createBuffer(r?2:1,t,i)],this.popNIfOK(e)):(this.vm.warnOnce("could not initialize audio"),!1))},snd_playNextBuffer:function(){var e;this.audioContext&&0!==this.audioBuffersReady.length&&((e=this.audioContext.createBufferSource()).buffer=this.audioBuffersReady.shift(),e.connect(this.audioContext.destination),this.audioNextTimeSlot<this.audioContext.currentTime&&(this.audioNextTimeSlot=this.audioContext.currentTime),e.start(this.audioNextTimeSlot),this.audioNextTimeSlot+=e.buffer.duration,window.setTimeout(function(){this.audioContext&&this.vm.forceInterruptCheck&&(this.audioBuffersUnused.push(e.buffer),this.audioSema&&this.signalSemaphoreWithIndex(this.audioSema),this.vm.forceInterruptCheck())}.bind(this),1e3*(this.audioNextTimeSlot-this.audioContext.currentTime)),this.snd_playNextBuffer())},snd_primitiveSoundAvailableSpace:function(e){var t,i;return this.audioContext?((i=0)<this.audioBuffersUnused.length&&(i=(t=this.audioBuffersUnused[0]).length*t.numberOfChannels*2),this.popNandPushIfOK(e+1,i)):(console.warn("sound: no audio context"),!1)},snd_primitiveSoundPlaySamples:function(e){if(!this.audioContext||0===this.audioBuffersUnused.length)return console.warn("sound: play but no free buffers"),!1;var t=this.stackInteger(2),i=this.stackNonInteger(1).wordsAsInt16Array(),r=this.stackInteger(0)-1;if(!this.success||!i)return!1;for(var s=this.audioBuffersUnused.shift(),n=s.numberOfChannels,a=0;a<n;a++)for(var o=s.getChannelData(a),u=r+a,l=0;l<t;l++)o[l]=i[u]/32768,u+=n;return this.audioBuffersReady.push(s),this.snd_playNextBuffer(),this.popNIfOK(e)},snd_primitiveSoundPlaySilence:function(e){if(!this.audioContext||0===this.audioBuffersUnused.length)return console.warn("sound: play but no free buffers"),!1;for(var t=this.audioBuffersUnused.shift(),i=t.numberOfChannels,r=t.length,s=0;s<i;s++)for(var n=t.getChannelData(s),a=0;a<r;a++)n[a]=0;return this.audioBuffersReady.push(t),this.snd_playNextBuffer(),this.popNandPushIfOK(e+1,r)},snd_primitiveSoundStop:function(e){return this.audioContext&&(this.audioContext=null,this.audioBuffersReady=null,this.audioBuffersUnused=null,this.audioNextTimeSlot=0,this.audioSema=0),this.popNIfOK(e)},snd_primitiveSoundStartRecording:function(r){var t,s,n,a,i,o,u;return 3===r&&(t=this.stackNonInteger(3),s=this.stackInteger(2),n=this.stackBoolean(1),a=this.stackInteger(0),!!this.success)&&(i=this.primMethod,o=this.vm.freeze(),u=this,Squeak.startAudioIn(function(e,t){for(u.audioInContext=e,u.audioInSource=t,u.audioInSema=a,u.audioInBuffers=[],u.audioInBufferIndex=0,u.audioInOverSample=1;s*u.audioInOverSample<u.audioInContext.sampleRate;)u.audioInOverSample*=2;for(var i=1024*u.audioInOverSample;i/u.audioInContext.sampleRate<.1;)i*=2;u.audioInProcessor=e.createScriptProcessor(i,n?2:1,n?2:1),u.audioInProcessor.onaudioprocess=function(e){u.snd_recordNextBuffer(e.inputBuffer)},u.audioInSource.connect(u.audioInProcessor),u.audioInProcessor.connect(e.destination),u.vm.popN(r),window.setTimeout(o,0)},function(e){console.warn(e),u.vm.sendAsPrimitiveFailure(t,i,r),window.setTimeout(o,0)}),!0)},snd_recordNextBuffer:function(e){this.audioInContext&&(5<this.audioInBuffers.length&&this.audioInBuffers.shift(),this.audioInBuffers.push(e),this.audioInSema&&this.signalSemaphoreWithIndex(this.audioInSema),this.vm.forceInterruptCheck())},snd_primitiveSoundGetRecordingSampleRate:function(e){var t;return!!this.audioInContext&&(t=this.audioInContext.sampleRate/this.audioInOverSample|0,this.popNandPushIfOK(e+1,t))},snd_primitiveSoundRecordSamples:function(e){var t=this.stackNonInteger(1).wordsAsInt16Array(),i=this.stackInteger(0)-1;if(!this.success)return!1;for(var r=0;i<t.length&&0!==this.audioInBuffers.length;){for(var s=this.audioInBuffers[0],n=s.numberOfChannels,a=n,o=this.audioInOverSample,u=(t.length-i)/a,l=(s.length-this.audioInBufferIndex)/o,c=Math.min(l,u),h=0;h<n;h++)for(var f=s.getChannelData(h),p=this.audioInBufferIndex,d=i+h,m=0;m<c;m++)t[d]=32768*f[p]&65535,d+=a,p+=o;r+=c*n,i+=c*n,p<s.length?this.audioInBufferIndex=p:(this.audioInBufferIndex=0,this.audioInBuffers.shift())}return this.popNandPushIfOK(e+1,r)},snd_primitiveSoundStopRecording:function(e){return this.audioInContext&&(this.audioInSource.disconnect(),this.audioInProcessor.disconnect(),this.audioInContext=null,this.audioInSema=0,this.audioInBuffers=null,this.audioInSource=null,this.audioInProcessor=null,console.log("sound recording stopped")),Squeak.stopAudioIn(),this.popNIfOK(e)},snd_primitiveSoundSetRecordLevel:function(e){return this.vm.warnOnce("sound set record level not supported"),this.popNIfOK(e)}}),!function(){var t=1,i=11;function a(e,t){return 31<t?0:e<<t}function o(e,t){return 31<t?0:e>>>t}var w=0,A=0,C=0,P=null,_=null,e="ADPCMCodecPlugin 3 November 2014 (e)",x=null;function r(){return e}function V(e){for(var t,i=0,r=e;;){if(!(0<(t=r-w)))return i+=o(C,0-t),C&=o(255,8-(w-=r)),i;i+=a(C,t),r-=w,C=P[++A-1],w=8}}function k(e,t){for(var i,r,s=t,n=e;;){if(!((r=(i=8-w)-n)<0))return C+=a(s,r),w+=n,self;C+=o(s,0-r),P[++A-1]=C,s&=a(1,(C=w=0)-r)-1,n-=i}}function s(){var e,t,i,r,s,n,a,o,u,l=_.stackValue(1),c=_.stackIntegerValue(0),h=_.fetchIntegerofObject(0,l),f=_.fetchIntegerofObject(1,l),p=_.fetchIntegerofObject(2,l),d=_.fetchIntegerofObject(3,l),m=_.fetchIntegerofObject(4,l),v=_.fetchIntegerofObject(5,l);if(C=_.fetchIntegerofObject(6,l),w=_.fetchIntegerofObject(7,l),A=_.fetchIntegerofObject(8,l),P=_.fetchBytesofObject(9,l),u=_.fetchInt16ArrayofObject(10,l),o=_.fetchIntegerofObject(12,l),n=_.fetchIntegerofObject(13,l),x=_.fetchInt16ArrayofObject(14,l),a=_.fetchInt16ArrayofObject(15,l),_.failed())return null;for(i=1;i<=c;i++){if(1==(i&v))32767<(h=V(16))&&(h-=65536),f=V(6);else{for(t=V(n),s=x[f],r=0,e=m;0<e;)0<(t&e)&&(r+=s),s>>>=1,e>>>=1;r+=s,0<(t&p)?h-=r:h+=r,32767<h?h=32767:h<-32768&&(h=-32768),(f+=a[t&d])<0?f=0:88<f&&(f=88)}u[++o-1]=h}if(_.failed())return null;_.storeIntegerofObjectwithValue(0,l,h),_.storeIntegerofObjectwithValue(1,l,f),_.storeIntegerofObjectwithValue(6,l,C),_.storeIntegerofObjectwithValue(7,l,w),_.storeIntegerofObjectwithValue(8,l,A),_.storeIntegerofObjectwithValue(12,l,o),_.pop(1)}function n(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g=_.stackValue(1),k=_.stackIntegerValue(0),b=_.fetchInt16ArrayofObject(0,g),y=_.fetchInt16ArrayofObject(1,g),S=_.fetchIntegerofObject(2,g),F=_.fetchIntegerofObject(3,g),O=_.fetchIntegerofObject(4,g),I=_.fetchIntegerofObject(5,g);if(C=_.fetchIntegerofObject(6,g),w=_.fetchIntegerofObject(7,g),A=_.fetchIntegerofObject(8,g),P=_.fetchBytesofObject(9,g),v=_.fetchInt16ArrayofObject(10,g),d=_.fetchInt16ArrayofObject(11,g),m=_.fetchIntegerofObject(12,g),f=_.fetchIntegerofObject(13,g),x=_.fetchInt16ArrayofObject(14,g),p=_.fetchInt16ArrayofObject(15,g),_.failed())return null;for(u=b[0],l=b[1],s=y[0],n=y[1],r=1;r<=k;r++){if(1==(r&I))u=V(16),s=V(6),l=V(16),n=V(6),32767<u&&(u-=65536),32767<l&&(l-=65536);else{for(t=V(f),i=V(f),c=x[s],h=x[n],a=o=0,e=O;0<e;)0<(t&e)&&(a+=c),0<(i&e)&&(o+=h),c>>>=1,h>>>=1,e>>>=1;a+=c,o+=h,0<(t&S)?u-=a:u+=a,0<(i&S)?l-=o:l+=o,32767<u?u=32767:u<-32768&&(u=-32768),32767<l?l=32767:l<-32768&&(l=-32768),(s+=p[t&F])<0?s=0:88<s&&(s=88),(n+=p[i&F])<0?n=0:88<n&&(n=88)}v[++m-1]=u,d[m-1]=l}if(b[0]=u,b[1]=l,y[0]=s,y[1]=n,_.failed())return null;_.storeIntegerofObjectwithValue(6,g,C),_.storeIntegerofObjectwithValue(7,g,w),_.storeIntegerofObjectwithValue(8,g,A),_.storeIntegerofObjectwithValue(12,g,m),_.pop(1)}function u(){var e,t,i,r,s,n,a,o,u,l,c,h=_.stackValue(1),f=_.stackIntegerValue(0),p=_.fetchIntegerofObject(0,h),d=_.fetchIntegerofObject(1,h),m=_.fetchIntegerofObject(2,h),v=_.fetchIntegerofObject(4,h),g=_.fetchIntegerofObject(5,h);if(C=_.fetchIntegerofObject(6,h),w=_.fetchIntegerofObject(7,h),A=_.fetchIntegerofObject(8,h),P=_.fetchBytesofObject(9,h),c=_.fetchInt16ArrayofObject(10,h),l=_.fetchIntegerofObject(12,h),o=_.fetchIntegerofObject(13,h),x=_.fetchInt16ArrayofObject(14,h),u=_.fetchInt16ArrayofObject(15,h),_.failed())return null;for(a=x[0],r=1;r<=f;r++)if(1==(r&g))(n=p=c[++l-1])<0&&(n+=65536),k(16,n),k(6,d=r<f?function(e,t){var i,r,s=t-e;for(s<0&&(s=0-s),i=63,r=1;r<=62;r++)63===i&&x[r-1]>=s&&(i=r);return i}(p,c[l]):d);else{for((i=c[++l-1]-p)<(n=0)&&(n=m,i=0-i),s=t=0,e=v;0<e;)a<=i&&(t+=e,s+=a,i-=a),a>>>=1,e>>>=1;s+=a,0<n?p-=s:p+=s,32767<p?p=32767:p<-32768&&(p=-32768),(d+=u[t])<0?d=0:88<d&&(d=88),a=x[d],k(o,n|t)}if(0<w&&(P[++A-1]=C),_.failed())return 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O.primitiveFail(),null;if(F(d)!==f*p)return O.primitiveFail(),null;for(e=d.words,d=v,v=Math.max(g,0),d=Math.max(d,0),v=Math.min(v,p-1),d=Math.min(d,f-1),o=Math.max(v-h,0),t=Math.min(v+h,p-1),g=Math.max(d-h,0),i=Math.min(d+h,f-1),r=e[d*p+v],s=-1,c=g;c<=i;c++)for(a=c*p,l=o;l<=t;l++)r<(u=e[a+l])&&(s=l,n=c,r=u);if(h=-1===s?q(m):k(s-v,n-d)+90|0,O.failed())return null;O.pop(8),O.pushFloat(h)}function V(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]+o[r];else 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O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]/o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]/e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]/o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]/e[r];O.pop(4),O.push(c)}function E(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=p(u[r],s);else 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null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return null;if(s=O.isMemberOf(l,"WordArray"),O.isMemberOf(c,"WordArray"))if(s)for(o=c.words,a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]>=a[r];else for(o=c.words,t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]>=t[r];else if(s)for(i=c.wordsAsFloat32Array(),a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]>=a[r];else for(i=c.wordsAsFloat32Array(),t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]>=t[r];O.pop(4),O.push(u)}function W(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>=s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>=t;else 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e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]>t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]>s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]>t;O.pop(4),O.push(u)}function K(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackObjectValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(l)),O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return 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null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]<s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]<t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]<s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]<t;O.pop(4),O.push(u)}function Z(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]*o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]*e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]*o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]*e[r];O.pop(4),O.push(c)}function J(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=u[r]*s;else for(u=f.words,e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=u[r]*e;else if(n)for(t=f.wordsAsFloat32Array(),s=h,i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]*s;else for(t=f.wordsAsFloat32Array(),e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]*e;O.pop(4),O.push(c)}function Y(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackObjectValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(l)),O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(n=F(l),O.success(n===F(c)),O.success(n===F(u)),O.failed())return null;if(s=O.isMemberOf(l,"WordArray"),O.isMemberOf(c,"WordArray"))if(s)for(o=c.words,a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]!==a[r];else for(o=c.words,t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=o[r]!==t[r];else if(s)for(i=c.wordsAsFloat32Array(),a=l.words,e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]!==a[r];else for(i=c.wordsAsFloat32Array(),t=l.wordsAsFloat32Array(),e=u.bytes,r=0;r<=n-1;r++)e[r]=i[r]!==t[r];O.pop(4),O.push(u)}function Q(){var e,t,i,r,s,n,a,o,u=O.stackObjectValue(0),l=O.stackValue(1),c=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(c)),O.success(O.isBytes(u)),O.failed())return null;if(a=F(c),O.success(a===F(u)),O.failed())return null;if(n="number"==typeof l,O.isMemberOf(c,"WordArray"))if(n)for(o=c.words,s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]!==s;else for(o=c.words,t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=o[r]!==t;else if(n)for(i=c.wordsAsFloat32Array(),s=l,e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]!==s;else for(i=c.wordsAsFloat32Array(),t=O.floatValueOf(l),e=u.bytes,r=0;r<=a-1;r++)e[r]=i[r]!==t;O.pop(4),O.push(u)}function $(){var e,t,i,r=O.stackValue(0);if(O.failed())return null;if(O.success(O.isBytes(r)),O.failed())return null;if(t=F(r),O.failed())return null;for(i=r.bytes,e=0;e<=t-1;e++)0===i[e]?i[e]=1:i[e]=0}function ee(){var e,t,i,r,s,n,a=O.stackObjectValue(0),o=O.stackValue(1);if(O.failed())return null;if(O.success(O.isBytes(o)),O.success(O.isBytes(a)),O.failed())return null;if(i=F(o),r=F(a),O.failed())return null;for(r<(t=i)&&(t=r),s=a.bytes,n=o.bytes,e=0;e<=t-1;e++)n[e]=0<n[e]+s[e];O.pop(1)}function te(){var e,t,i,r,s,n=O.stackValue(0),a=O.stackObjectValue(1);if(O.failed())return null;if(i=O.isIntegerValue(n)?n:O.booleanValueOf(n),s=O.fetchPointerofObject(1,a),n=O.fetchPointerofObject(0,a),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isBytes(s))return O.primitiveFail(),null;for(r=s.bytes,t=n.bytes,e=0;e<=F(s)-1;e++)1===t[e]&&(r[e]=i);O.pop(1)}function ie(){var e,t,i,r,s=O.stackIntegerValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(s|=4278190080,r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isWords(r))return O.primitiveFail(),null;for(i=r.words,t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function re(){var e,t,i,r,s=O.stackFloatValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isWords(r))return O.primitiveFail(),null;for(i=r.wordsAsFloat32Array(),t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function se(){var e,t,i,r,s=O.stackValue(0),n=O.stackObjectValue(1);if(O.failed())return null;if(r=O.fetchPointerofObject(1,n),n=O.fetchPointerofObject(0,n),O.failed())return null;if(!O.isBytes(n))return O.primitiveFail(),null;if(!O.isPointers(r))return O.primitiveFail(),null;for(i=r.wordsAsInt32Array(),t=n.bytes,e=0;e<=F(r)-1;e++)1===t[e]&&(i[e]=s);O.pop(1)}function ne(){var e,t,i,r,s,n=O.stackIntegerValue(0),a=O.stackObjectValue(1),o=O.stackIntegerValue(2),u=O.stackIntegerValue(3),l=O.stackObjectValue(4);if(O.failed())return null;if(s=O.fetchPointerofObject(1,l),l=O.fetchPointerofObject(0,l),O.failed())return null;if(!O.isBytes(l))return O.primitiveFail(),null;if(!O.isBytes(s)||!O.isBytes(a))return O.primitiveFail(),null;if(r=s.bytes,t=l.bytes,i=a.bytes,s=F(s),l=F(l),a=F(a),o<u)return O.primitiveFail(),null;if(u<1)return O.primitiveFail(),null;if(s<u)return O.primitiveFail(),null;if(l<u)return O.primitiveFail(),null;if(s<o)return O.primitiveFail(),null;if(l<o)return O.primitiveFail(),null;if(n<1)return O.primitiveFail(),null;if(a<n)return O.primitiveFail(),null;if(a-n+1<o-u+1)return O.primitiveFail(),null;for(e=u-1;e<=o-1;e++)1===t[e]&&(r[e]=i[n+e-u]);O.pop(4)}function ae(){var e,t,i,r,s,n,a,o,u,l,c=O.stackIntegerValue(0),h=O.stackObjectValue(1),f=O.stackIntegerValue(2),p=O.stackIntegerValue(3),d=O.stackObjectValue(4);if(O.failed())return null;if(u=O.fetchPointerofObject(1,d),d=O.fetchPointerofObject(0,d),O.failed())return null;if(!O.isBytes(d))return O.primitiveFail(),null;if(!(O.isWords(u)&&O.isWords(h)||O.isPointers(u)&&O.isPointers(h)))return O.primitiveFail(),null;if(s=d.bytes,l=F(u),d=F(d),a=F(h),f<p)return O.primitiveFail(),null;if(p<1)return O.primitiveFail(),null;if(l<p)return O.primitiveFail(),null;if(d<p)return O.primitiveFail(),null;if(l<f)return O.primitiveFail(),null;if(d<f)return O.primitiveFail(),null;if(c<1)return O.primitiveFail(),null;if(a<c)return O.primitiveFail(),null;if(a-c+1<f-p+1)return O.primitiveFail(),null;if(l=O.isMemberOf(u,"KedamaFloatArray"),d=O.isMemberOf(h,"KedamaFloatArray"),l&&d)for(t=u.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),r=p-1;r<=f-1;r++)1===s[r]&&(t[r]=e[c+r-p]);if(l&&!d)for(t=u.wordsAsFloat32Array(),n=h.words,r=p-1;r<=f-1;r++)1===s[r]&&(t[r]=n[c+r-p]);if(!l&&d)for(o=u.words,e=h.wordsAsFloat32Array(),r=p-1;r<=f-1;r++)1===s[r]&&(i=e[c+r-p]>>>0,o[r]=i);if(!l&&!d)for(o=u.words,n=h.words,r=p-1;r<=f-1;r++)1===s[r]&&(o[r]=n[c+r-p]);O.pop(4)}function oe(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v=O.stackObjectValue(0),g=O.stackObjectValue(1),k=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(g)),O.success(O.isWords(k)),O.success(O.isWords(v)),O.failed())return null;if(l=F(g),O.success(l===F(k)),O.success(l===F(v)),O.failed())return null;if(o=O.isMemberOf(g,"WordArray"),u=O.isMemberOf(k,"WordArray"),o&&u){if(!O.isMemberOf(v,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(v,"KedamaFloatArray"))return O.primitiveFail(),null;if(u)if(o)for(d=k.words,p=g.words,m=v.words,a=0;a<=l-1;a++)f=b(h=d[a],c=p[a]),m[a]=f;else for(d=k.words,r=g.wordsAsFloat32Array(),n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(h=d[a])/(e=r[a]),i=Math.floor(i),n[a]=h-i*e;else if(o)for(s=k.wordsAsFloat32Array(),p=g.words,n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(t=s[a])/(c=p[a]),i=Math.floor(i),n[a]=t-i*c;else for(s=k.wordsAsFloat32Array(),r=g.wordsAsFloat32Array(),n=v.wordsAsFloat32Array(),a=0;a<=l-1;a++)i=(t=s[a])/(e=r[a]),i=Math.floor(i),n[a]=t-i*e;O.pop(4),O.push(v)}function ue(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p=O.stackObjectValue(0),d=O.stackValue(1),m=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(m)),O.success(O.isWords(p)),O.failed())return null;if(l=F(m),O.success(l===F(p)),O.failed())return null;if(o="number"==typeof d,u=O.isMemberOf(m,"WordArray"),o&&u){if(!O.isMemberOf(p,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(p,"KedamaFloatArray"))return O.primitiveFail(),null;if(u)if(o)for(h=m.words,a=d,f=p.words,n=0;n<=l-1;n++)f[n]=b(h[n],a);else for(h=m.words,e=O.floatValueOf(d),s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(c=h[n])/e,i=Math.floor(i),s[n]=c-i*e;else if(o)for(r=m.wordsAsFloat32Array(),a=d,s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(t=r[n])/a,i=Math.floor(i),s[n]=t-i*a;else for(r=m.wordsAsFloat32Array(),e=O.floatValueOf(d),s=p.wordsAsFloat32Array(),n=0;n<=l-1;n++)i=(t=r[n])/e,i=Math.floor(i),s[n]=t-i*e;O.pop(4),O.push(p)}function le(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackObjectValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(h)),O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(a=F(h),O.success(a===F(f)),O.success(a===F(c)),O.failed())return null;if(s=O.isMemberOf(h,"WordArray"),n=O.isMemberOf(f,"WordArray"),s&&n){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(n)if(s)for(u=f.words,o=h.words,l=c.words,r=0;r<=a-1;r++)l[r]=u[r]-o[r];else for(u=f.words,e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=u[r]-e[r];else if(s)for(t=f.wordsAsFloat32Array(),o=h.words,i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]-o[r];else for(t=f.wordsAsFloat32Array(),e=h.wordsAsFloat32Array(),i=c.wordsAsFloat32Array(),r=0;r<=a-1;r++)i[r]=t[r]-e[r];O.pop(4),O.push(c)}function ce(){var e,t,i,r,s,n,a,o,u,l,c=O.stackObjectValue(0),h=O.stackValue(1),f=O.stackObjectValue(2);if(O.failed())return null;if(O.success(O.isWords(f)),O.success(O.isWords(c)),O.failed())return null;if(o=F(f),O.success(o===F(c)),O.failed())return null;if(n="number"==typeof h,a=O.isMemberOf(f,"WordArray"),n&&a){if(!O.isMemberOf(c,"WordArray"))return O.primitiveFail(),null}else if(!O.isMemberOf(c,"KedamaFloatArray"))return O.primitiveFail(),null;if(a)if(n)for(u=f.words,s=h,l=c.words,r=0;r<=o-1;r++)l[r]=u[r]-s;else for(u=f.words,e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=u[r]-e;else if(n)for(t=f.wordsAsFloat32Array(),s=h,i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]-s;else for(t=f.wordsAsFloat32Array(),e=O.floatValueOf(h),i=c.wordsAsFloat32Array(),r=0;r<=o-1;r++)i[r]=t[r]-e;O.pop(4),O.push(c)}function 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O.failed()||(r=k(r-t,i-e),360<(r+=90)&&(r-=360),O.failed())?null:(O.pop(5),void O.pushFloat(r))}function me(){var e=O.stackFloatValue(0),t=O.stackFloatValue(1),i=O.stackFloatValue(2),r=O.stackFloatValue(3);return O.failed()||(t=t-r,r=e-i,e=Math.sqrt(t*t+r*r),O.failed())?null:(O.pop(5),void O.pushFloat(e))}function B(e,t,i,r,s,n,a){var o;r<0&&(1===n&&(r+=s),2===n&&(r=0),3===n)&&(r=0-r,o=i[e],i[e]=o<3.141592653589793?3.141592653589793-o:9.42477796076938-o),s<=r&&(1===a&&(r-=s),2===a&&(r=s-1e-6),3===a)&&(r=s-1e-6-(r-s),o=i[e],i[e]=o<3.141592653589793?3.141592653589793-o:9.42477796076938-o),t[e]=r}function M(e,t,i,r,s,n,a){r<0&&(1===n&&(r+=s),2===n&&(r=0),3===n)&&(r=0-r,i[e]=6.283185307179586-i[e]),s<=r&&(1===a&&(r-=s),2===a&&(r=s-1e-6),3===a)&&(r=s-1e-6-(r-s),i[e]=6.283185307179586-i[e]),t[e]=r}function ve(){var e,t,i,r,s,n,a,o=O.stackValue(0),u=O.stackValue(1),l=O.stackValue(2);if(O.failed())return null;if(!O.isBytes(l))return O.primitiveFail(),null;if(!O.isWords(u))return O.primitiveFail(),null;if(a=F(u),o.isFloat)r=!1;else{if(!O.isWords(o))return O.primitiveFail(),null;if(F(o)!==a)return O.primitiveFail(),null;r=!0}for(s=l.bytes,t=u.wordsAsFloat32Array(),r?n=o.wordsAsFloat32Array():e=c(e=O.floatValueOf(o)),i=0;i<=a-1;i++)1===s[i]&&(r&&(e=c(e=n[i])),t[i]=e);if(O.failed())return null;O.pop(3)}function ge(e){return!1!=((O=e).majorVersion()==t)&&O.minorVersion()>=i}function ke(){var e=O.stackFloatValue(0),t=O.stackValue(1),i=O.stackIntegerValue(2);return O.failed()?null:!O.isWords(t)||F(t)<i?(O.primitiveFail(),null):(t.wordsAsFloat32Array()[i-1]=c(e),O.failed()?null:void O.pop(3))}function be(){return!0}function ye(){var e,t=O.stackIntegerValue(0),i=O.stackIntegerValue(1),r=O.stackFloatValue(2),s=O.stackFloatValue(3),n=O.stackValue(4),a=O.stackIntegerValue(5),o=O.stackValue(6);return O.failed()?null:!O.isWords(o)||!O.isWords(n)||(e=F(o),F(n)!==e)?(O.primitiveFail(),null):(B(a-1,o.wordsAsFloat32Array(),n.wordsAsFloat32Array(),s,r,i,t),O.failed()?null:void O.pop(7))}function Se(){var e,t=O.stackIntegerValue(0),i=O.stackIntegerValue(1),r=O.stackFloatValue(2),s=O.stackFloatValue(3),n=O.stackValue(4),a=O.stackIntegerValue(5),o=O.stackValue(6);return O.failed()?null:!O.isWords(o)||!O.isWords(n)||(e=F(o),F(n)!==e)?(O.primitiveFail(),null):(M(a-1,o.wordsAsFloat32Array(),n.wordsAsFloat32Array(),s,r,i,t),O.failed()?null:void O.pop(7))}function Fe(){var e,t,i,r,s,n,a,o,u,l,c=O.stackIntegerValue(0),h=O.stackIntegerValue(1),f=O.stackFloatValue(2),p=O.stackValue(3),d=O.stackValue(4),m=O.stackValue(5),v=O.stackValue(6);if(O.failed())return null;if(!O.isBytes(v))return O.primitiveFail(),null;if(!O.isWords(m))return O.primitiveFail(),null;if(!O.isWords(d))return O.primitiveFail(),null;if(p.isFloat)i=!1;else{if(!O.isWords(p))return O.primitiveFail(),null;i=!0,r=O.isMemberOf(p,"WordArray")}if(n=F(m),F(v)!==n)return O.primitiveFail(),null;if(F(d)!==n)return O.primitiveFail(),null;if(i&&F(p)!==n)return 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e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b=q.stackValue(5),y=q.stackIntegerValue(4),S=q.stackIntegerValue(3),F=q.stackValue(2),O=q.stackIntegerValue(1),I=q.stackIntegerValue(0);if(q.success(x(b)===y*S),q.success(x(F)===O*I),e=M(b),r=M(F),q.failed())return null;for(t=i=0,g=V(1024*y,O),k=V(1024*S,I),a=0;a<=I-1;a++){for(n=t=0;n<=O-1;n++)p=(1024-(1023&t))*(1024-(1023&i)),d=(1023&t)*(1024-(1023&i)),m=(1024-(1023&t))*(1023&i),v=(1023&t)*(1023&i),o=e[h=(i>>>10)*y+(t>>>10)],u=t>>>10<y-1?e[h+1]:o,i>>>10<S-1&&(h+=y),l=e[h],c=t>>>10<y-1?e[h+1]:l,(f=0)===o&&(o=u,f+=p),0===u&&(u=o,f+=d),0===l&&(l=c,f+=m),0===c&&(c=l,f+=v),0===o&&(o=l,u=c),0===l&&(l=o,c=u),s=0,f<5e5&&0===(s=(s=((h=p*(o>>>16&255)+d*(u>>>16&255)+m*(l>>>16&255)+v*(c>>>16&255))>>>20&255)<<16)|((h=p*(o>>>8&255)+d*(u>>>8&255)+m*(l>>>8&255)+v*(c>>>8&255))>>>20&255)<<8|(h=p*(255&o)+d*(255&u)+m*(255&l)+v*(255&c))>>>20&255)&&(s=1),r[a*O+n]=s,t+=g;i+=k}return q.pop(6),0}function b(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b,y=q.stackValue(5),S=q.stackValue(4),F=q.stackIntegerValue(3),O=M(y),I=M(S),y=x(y),w=q.stackIntegerValue(2),A=q.stackValue(1),C=q.stackValue(0),P=B(A),_=B(C);if(q.success(x(S)===y),q.failed())return null;for(u=V(y,F),e=j(Math.random(),w)-1,d=0;d<=e/2-1;d++)for(k=j(Math.random(),F),b=j(Math.random(),u),f=j(Math.random(),8),a=-4;a<=4;a++)for(o=-4;o<=4;o++)(i=a*a+o*o)<25&&0<i&&(s=b+o|0,0<(r=k+a|0))&&0<s&&s<u&&r<F&&(P[s*F+r]=f*(1-i/25));for(n=1;n<=F-2;n++)for(t=1;t<=u-2;t++)P[v=t*F+n]=(_[v+1]+_[v-1]+_[v+F]+_[v-F]+_[v-1-F]/2+_[v-1+F]/2+_[v+1-F]/2+_[v+1+F]/2)/4-P[v],P[v]=.9*P[v];for(p=0;p<=F*u;p++)m=_[p],_[p]=P[p],P[p]=m;for(c=0;c<=u-1;c++)for(l=0;l<=F-1;l++)h=1<l&&l<F-1&&1<c&&c<u-1&&(h=64*(P[g=c*F+l]-P[g-1]+(P[g+1]-P[g])),(g=(c+(g=2<(g=(g=(P[g]-P[g-F]+(P[g+F]-P[g]))/64)<2?-2:g)?2:g))*F+(l+(h=2<(h=h<2?-2:h)?2:h))|0)<F*u)&&0<=g?O[g]:O[l+c*F],I[l+c*F]=h;return q.pop(6),0}function S(){var e,t,i,r,s,n,a,o,u,l,c,h,f,p,d=q.stackValue(3),m=q.stackValue(2),v=q.stackIntegerValue(1),g=q.stackIntegerValue(0),k=M(d),b=M(m),d=x(d);if(q.success(x(m)===d),q.failed())return null;for(l=(e=v>>1)<(t=(n=V(d,v))>>1)?(u=t/(a=e),1):(u=1,(a=t)<e?e/t:1),h=-3.141592653589793*g/180,o=a*a,f=0;f<=v-1;f++)for(p=0;p<=n-1;p++)(s=(i=u*(f-e))*i+(r=l*(p-t))*r)<o&&(s=(s=1-Math.sqrt(s)/a)*s*h,c=Math.sin(s),c=y(k,1024*(((s=Math.cos(s))*i-c*r)/u+e)|0,1024*((c*i+s*r)/l+t)|0,v,n),b[v*p+f]=c);return q.pop(4),0}function F(e){return!1!=((q=e).majorVersion()==t)&&q.minorVersion()>=i}!function e(){"object"==typeof 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e,t,i,r,s,n,a,o,u=j.stackValue(3),l=j.stackInt16Array(2),c=j.stackIntegerValue(1),h=j.stackIntegerValue(0),f=j.fetchInt32ArrayofObject(7,u),p=j.fetchInt32ArrayofObject(8,u),d=j.fetchIntegerofObject(9,u),m=j.fetchIntegerofObject(10,u),v=j.fetchIntegerofObject(11,u),g=j.fetchInt16ArrayofObject(12,u),k=j.fetchInt16ArrayofObject(13,u);if(j.failed())return null;for(n=c;n<=c+h-1;n++){for(e=t=0,o=1;o<=d;o++)(i=v-f[o-1])<1&&(i+=m),e+=(a=p[o-1])*g[i-1],t+=a*k[i-1];(s=32767<(s=l[(r=2*n-1)-1]+(e>>15))?32767:s)<-32767&&(s=-32767),l[r-1]=s,g[v-1]=s,(s=32767<(s=l[++r-1]+(t>>15))?32767:s)<-32767&&(s=-32767),l[r-1]=s,k[v-1]=s,v=I(v,m)+1}if(j.failed())return null;j.storeIntegerofObjectwithValue(11,u,v),j.pop(3)}function n(){var e,t,i,r,s,n,a,o=j.stackValue(5),u=j.stackIntegerValue(4),l=j.stackInt16Array(3),c=j.stackIntegerValue(2),h=j.stackIntegerValue(1),f=j.stackIntegerValue(0),p=j.fetchIntegerofObject(3,o),d=j.fetchIntegerofObject(4,o),m=j.fetchIntegerofObject(5,o),v=j.fetchIntegerofObject(7,o),g=j.fetchInt16ArrayofObject(8,o),k=j.fetchIntegerofObject(9,o),b=j.fetchIntegerofObject(10,o),y=j.fetchIntegerofObject(11,o),S=j.fetchIntegerofObject(14,o),F=j.fetchIntegerofObject(15,o),O=j.fetchIntegerofObject(16,o);if(j.failed())return null;for(e=0!==S&&0!==O,i=c+u-1,a=c;a<=i;a++)n=p*g[b>>15]>>15,e?(r=S*g[F>>15],(F=I(F+O,k))<0&&(F+=k),(b=I(b+y+r,k))<0&&(b+=k)):b=I(b+y,k),0<h&&((s=32767<(s=l[(t=2*a-1)-1]+(n*h>>15))?32767:s)<-32767&&(s=-32767),l[t-1]=s),0<f&&((s=32767<(s=l[(t=2*a)-1]+(n*f>>15))?32767:s)<-32767&&(s=-32767),l[t-1]=s),0!==d&&(p+=d,0<d&&m<=p||d<0&&p<=m)&&(p=m,d=0);if(v-=u,j.failed())return null;j.storeIntegerofObjectwithValue(3,o,p),j.storeIntegerofObjectwithValue(4,o,d),j.storeIntegerofObjectwithValue(7,o,v),j.storeIntegerofObjectwithValue(10,o,b),j.storeIntegerofObjectwithValue(15,o,F),j.pop(5)}function a(){var e,t,i,r,s,n,a,o,u,l,c,h,f=j.stackValue(5),p=j.stackIntegerValue(4),d=j.stackInt16Array(3),m=j.stackIntegerValue(2),v=j.stackIntegerValue(1),g=j.stackIntegerValue(0),k=j.fetchIntegerofObject(3,f),b=j.fetchIntegerofObject(4,f),y=j.fetchIntegerofObject(5,f),S=j.fetchIntegerofObject(7,f),F=j.fetchIntegerofObject(8,f),O=j.fetchInt16ArrayofObject(10,f),I=j.fetchInt16ArrayofObject(11,f),w=j.fetchIntegerofObject(16,f),A=j.fetchIntegerofObject(17,f),C=j.fetchIntegerofObject(18,f),P=j.fetchIntegerofObject(19,f),_=j.fetchIntegerofObject(20,f);if(j.failed())return null;for(r=O!==I,e=v*k>>15,t=g*k>>15,i=2*m-1,s=m+p-1,h=m;h<=s;h++){if((o=(c=A<(c=(P+=_)>>9)&&F<S?(P-=C)>>9:c)+1)>w){if(w<c)return 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e,t,i,r,s,n,a,o=j.stackValue(5),u=j.stackIntegerValue(4),l=j.stackInt16Array(3),c=j.stackIntegerValue(2),h=j.stackIntegerValue(1),f=j.stackIntegerValue(0),p=j.fetchIntegerofObject(3,o),d=j.fetchIntegerofObject(4,o),m=j.fetchIntegerofObject(5,o),v=j.fetchIntegerofObject(7,o),g=j.fetchInt16ArrayofObject(8,o),k=j.fetchIntegerofObject(9,o),b=j.fetchIntegerofObject(10,o),y=j.fetchIntegerofObject(11,o);if(j.failed())return null;for(t=c+u-1,n=s=k,a=c;a<=t;a++)y<=(s=n+b)&&(s=S+(s-y)),r=g[(n>>15)-1]+g[(s>>15)-1]>>1,r=(g[(n>>15)-1]=r)*p>>15,n=s,0<h&&((i=32767<(i=l[(e=2*a-1)-1]+(r*h>>15))?32767:i)<-32767&&(i=-32767),l[e-1]=i),0<f&&((i=32767<(i=l[(e=2*a)-1]+(r*f>>15))?32767:i)<-32767&&(i=-32767),l[e-1]=i),0!==d&&(p+=d,0<d&&m<=p||d<0&&p<=m)&&(p=m,d=0);if(k=s,v-=u,j.failed())return null;j.storeIntegerofObjectwithValue(3,o,p),j.storeIntegerofObjectwithValue(4,o,d),j.storeIntegerofObjectwithValue(7,o,v),j.storeIntegerofObjectwithValue(9,o,k),j.pop(5)}function u(){var e,t,i,r,s,n,a=j.stackValue(5),o=j.stackIntegerValue(4),u=j.stackInt16Array(3),l=j.stackIntegerValue(2),c=j.stackIntegerValue(1),h=j.stackIntegerValue(0),f=j.fetchIntegerofObject(3,a),p=j.fetchIntegerofObject(4,a),d=j.fetchIntegerofObject(5,a),m=j.fetchIntegerofObject(7,a),v=j.fetchInt16ArrayofObject(8,a),g=j.fetchIntegerofObject(10,a),k=j.fetchIntegerofObject(11,a),b=j.fetchIntegerofObject(12,a),y=j.fetchIntegerofObject(13,a);if(j.failed())return null;for(t=l+o-1,i=l,n=b+(k>>>16);n<=g&&i<=t;)s=v[n-1]*f>>15,0<c&&((r=32767<(r=u[(e=2*i-1)-1]+(s*c>>15))?32767:r)<-32767&&(r=-32767),u[e-1]=r),0<h&&((r=32767<(r=u[(e=2*i)-1]+(s*h>>15))?32767:r)<-32767&&(r=-32767),u[e-1]=r),0!==p&&(f+=p,0<p&&d<=f||p<0&&f<=d)&&(f=d,p=0),F<=(k+=y)&&(b+=s=k>>>16,k-=s<<16),n=b+(k>>>16),++i;if(m-=o,j.failed())return null;j.storeIntegerofObjectwithValue(3,a,f),j.storeIntegerofObjectwithValue(4,a,p),j.storeIntegerofObjectwithValue(7,a,m),j.storeIntegerofObjectwithValue(11,a,k),j.storeIntegerofObjectwithValue(12,a,b),j.pop(5)}function l(e){return!1!=((j=e).majorVersion()==t)&&j.minorVersion()>=i}!function e(){"object"==typeof Squeak&&Squeak.registerExternalModule?Squeak.registerExternalModule("SoundGenerationPlugin",{primitiveMixFMSound:n,primitiveMixSampledSound:u,setInterpreter:l,getModuleName:r,primitiveApplyReverb:s,primitiveMixPluckedSound:o,primitiveMixLoopedSampledSound:a}):self.setTimeout(e,100)}()}(),!function(){var t=1,i=11;function b(e){return e.pointers?e.pointers.length:e.words?e.words.length:e.bytes?e.bytes.length:0}function y(e,t){return 0|Math.floor(e/t)}var S=null,e="StarSqueakPlugin 3 November 2014 (e)";function F(e){return S.success(S.isWords(e)),S.failed()?0:e.words}function r(){return e}function s(){var e,t,i,r,s,n,a,o,u,l,c,h=S.stackValue(4),f=S.stackValue(3),p=S.stackIntegerValue(2),d=S.stackIntegerValue(1),m=S.stackIntegerValue(0),v=F(h),g=F(f);if(S.success(b(h)===b(f)),S.success(b(h)===p*d),S.failed())return null;for(e=(2*m+1)*(2*m+1),l=0;l<=d-1;l++)for((n=l-m)<0&&(n=0),d<=(i=l+m)&&(i=d-1),o=0;o<=p-1;o++){for((s=o-m)<0&&(s=0),p<=(t=o+m)&&(t=p-1),a=0,c=n;c<=i;c++)for(r=c*p,u=s;u<=t;u++)a+=v[r+u];g[l*p+o]=y(a,e)}S.pop(5)}function n(){var e,t=S.stackValue(1),i=S.stackIntegerValue(0),r=F(t),s=b(t);if(S.failed())return null;for(e=0;e<=s-1;e++)r[e]=r[e]*i>>>10;S.pop(2)}function a(){var e,t,i,r,s,n,a,o,u,l,c=S.stackValue(6),h=S.stackValue(5),f=S.stackIntegerValue(4),p=S.stackIntegerValue(3),d=S.stackIntegerValue(2),m=S.stackIntegerValue(1),v=S.stackIntegerValue(0),g=F(c),k=F(h);if(S.success(b(h)===f*p),S.success(b(h)===b(c)*d*d),S.failed())return 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b=e("../utils"),s=e("../stream/GenericWorker"),y=e("../utf8"),S=e("../crc32"),F=e("../signature");function n(e,t,i,r){s.call(this,"ZipFileWorker"),this.bytesWritten=0,this.zipComment=t,this.zipPlatform=i,this.encodeFileName=r,this.streamFiles=e,this.accumulate=!1,this.contentBuffer=[],this.dirRecords=[],this.currentSourceOffset=0,this.entriesCount=0,this.currentFile=null,this._sources=[]}b.inherits(n,s),n.prototype.push=function(e){var t=e.meta.percent||0,i=this.entriesCount,r=this._sources.length;this.accumulate?this.contentBuffer.push(e):(this.bytesWritten+=e.data.length,s.prototype.push.call(this,{data:e.data,meta:{currentFile:this.currentFile,percent:i?(t+100*(i-r-1))/i:100}}))},n.prototype.openedSource=function(e){this.currentSourceOffset=this.bytesWritten,this.currentFile=e.file.name,this.streamFiles&&!e.file.dir?(e=r(e,this.streamFiles,!1,this.currentSourceOffset,this.zipPlatform,this.encodeFileName),this.push({data:e.fileRecord,meta:{percent:0}})):this.accumulate=!0},n.prototype.closedSource=function(e){this.accumulate=!1;var t=r(e,this.streamFiles,!0,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);if(this.dirRecords.push(t.dirRecord),this.streamFiles&&!e.file.dir)this.push({data:(e=e,F.DATA_DESCRIPTOR+k(e.crc32,4)+k(e.compressedSize,4)+k(e.uncompressedSize,4)),meta:{percent:100}});else for(this.push({data:t.fileRecord,meta:{percent:0}});this.contentBuffer.length;)this.push(this.contentBuffer.shift());this.currentFile=null},n.prototype.flush=function(){for(var e=this.bytesWritten,t=0;t<this.dirRecords.length;t++)this.push({data:this.dirRecords[t],meta:{percent:100}});var i=this.bytesWritten-e,i=function(e,t,i,r,s){s=b.transformTo("string",s(r));return F.CENTRAL_DIRECTORY_END+"\0\0\0\0"+k(e,2)+k(e,2)+k(t,4)+k(i,4)+k(s.length,2)+s}(this.dirRecords.length,i,e,this.zipComment,this.encodeFileName);this.push({data:i,meta:{percent:100}})},n.prototype.prepareNextSource=function(){this.previous=this._sources.shift(),this.openedSource(this.previous.streamInfo),this.isPaused?this.previous.pause():this.previous.resume()},n.prototype.registerPrevious=function(e){this._sources.push(e);var t=this;return e.on("data",function(e){t.processChunk(e)}),e.on("end",function(){t.closedSource(t.previous.streamInfo),t._sources.length?t.prepareNextSource():t.end()}),e.on("error",function(e){t.error(e)}),this},n.prototype.resume=function(){return!!s.prototype.resume.call(this)&&(!this.previous&&this._sources.length?(this.prepareNextSource(),!0):this.previous||this._sources.length||this.generatedError?void 0:(this.end(),!0))},n.prototype.error=function(e){var t=this._sources;if(!s.prototype.error.call(this,e))return!1;for(var i=0;i<t.length;i++)try{t[i].error(e)}catch(e){}return!0},n.prototype.lock=function(){s.prototype.lock.call(this);for(var e=this._sources,t=0;t<e.length;t++)e[t].lock()},t.exports=n},{"../crc32":4,"../signature":20,"../stream/GenericWorker":25,"../utf8":28,"../utils":29}],9:[function(e,t,i){var l=e("../compressions"),r=e("./ZipFileWorker");i.generateWorker=function(e,a,t){var o=new r(a.streamFiles,t,a.platform,a.encodeFileName),u=0;try{e.forEach(function(e,t){u++;var i=function(e,t){e=e||t,t=l[e];if(t)return t;throw new Error(e+" is not a valid compression method !")}(t.options.compression,a.compression),r=t.options.compressionOptions||a.compressionOptions||{},s=t.dir,n=t.date;t._compressWorker(i,r).withStreamInfo("file",{name:e,dir:s,date:n,comment:t.comment||"",unixPermissions:t.unixPermissions,dosPermissions:t.dosPermissions}).pipe(o)}),o.entriesCount=u}catch(e){o.error(e)}return o}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(e,t,i){function r(){if(!(this instanceof r))return new r;if(arguments.length)throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide.");this.files={},this.comment=null,this.root="",this.clone=function(){var e,t=new r;for(e in this)"function"!=typeof this[e]&&(t[e]=this[e]);return t}}(r.prototype=e("./object")).loadAsync=e("./load"),r.support=e("./support"),r.defaults=e("./defaults"),r.loadAsync=function(e,t){return(new r).loadAsync(e,t)},r.external=e("./external"),t.exports=r},{"./defaults":5,"./external":6,"./load":11,"./object":13,"./support":27}],11:[function(e,t,i){var r=e("./utils"),a=e("./external"),o=e("./utf8"),r=e("./utils"),u=e("./zipEntries"),l=e("./stream/Crc32Probe"),c=e("./nodejsUtils");t.exports=function(e,s){var n=this;return s=r.extend(s||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:o.utf8decode}),c.isNode&&c.isStream(e)?a.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):r.prepareContent("the loaded zip file",e,!0,s.optimizedBinaryString,s.base64).then(function(e){var t=new u(s);return t.load(e),t}).then(function(e){var t=[a.Promise.resolve(e)],i=e.files;if(s.checkCRC32)for(var r=0;r<i.length;r++)t.push(function(r){return new a.Promise(function(e,t){var i=r.decompressed.getContentWorker().pipe(new l);i.on("error",function(e){t(e)}).on("end",function(){i.streamInfo.crc32!==r.decompressed.crc32?t(new Error("Corrupted zip : CRC32 mismatch")):e()}).resume()})}(i[r]));return a.Promise.all(t)}).then(function(e){for(var e=e.shift(),t=e.files,i=0;i<t.length;i++){var r=t[i];n.file(r.fileNameStr,r.decompressed,{binary:!0,optimizedBinaryString:!0,date:r.date,dir:r.dir,comment:r.fileCommentStr.length?r.fileCommentStr:null,unixPermissions:r.unixPermissions,dosPermissions:r.dosPermissions,createFolders:s.createFolders})}return e.zipComment.length&&(n.comment=e.zipComment),n})}},{"./external":6,"./nodejsUtils":12,"./stream/Crc32Probe":22,"./utf8":28,"./utils":29,"./zipEntries":30}],12:[function(e,t,i){!function(i){t.exports={isNode:void 0!==i,newBuffer:function(e,t){return new i(e,t)},isBuffer:function(e){return i.isBuffer(e)},isStream:function(e){return e&&"function"==typeof e.on&&"function"==typeof e.pause&&"function"==typeof e.resume}}}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{}],13:[function(e,t,i){function n(e,t){return t=void 0!==t?t:l.createFolders,e=v(e),this.files[e]||m.call(this,e,null,{dir:!0,createFolders:t}),this.files[e]}var s=e("./utf8"),a=e("./utils"),o=e("./stream/GenericWorker"),u=e("./stream/StreamHelper"),l=e("./defaults"),c=e("./compressedObject"),h=e("./zipObject"),f=e("./generate"),p=e("./nodejsUtils"),d=e("./nodejs/NodejsStreamInputAdapter"),m=function(e,t,i){var r=a.getTypeOf(t),s=((i=a.extend(i||{},l)).date=i.date||new Date,null!==i.compression&&(i.compression=i.compression.toUpperCase()),"string"==typeof i.unixPermissions&&(i.unixPermissions=parseInt(i.unixPermissions,8)),i.unixPermissions&&16384&i.unixPermissions&&(i.dir=!0),i.dosPermissions&&16&i.dosPermissions&&(i.dir=!0),i.dir&&(e=v(e)),i.createFolders&&(s=function(e){if(e.slice(-1)==="/")e=e.substring(0,e.length-1);var t=e.lastIndexOf("/");return t>0?e.substring(0,t):""}(e))&&n.call(this,s,!0),"string"===r&&!1===i.binary&&!1===i.base64);i.binary=!s;(t instanceof c&&0===t.uncompressedSize||i.dir||!t||0===t.length)&&(i.base64=!1,i.binary=!0,t="",i.compression="STORE");r=null,r=t instanceof c||t instanceof o?t:p.isNode&&p.isStream(t)?new d(e,t):a.prepareContent(e,t,i.binary,i.optimizedBinaryString,i.base64),s=new h(e,r,i);this.files[e]=s},v=function(e){return"/"!==e.slice(-1)&&(e+="/"),e};function g(e){return"[object RegExp]"===Object.prototype.toString.call(e)}t.exports={load:function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},forEach:function(e){var t,i,r;for(t in this.files)this.files.hasOwnProperty(t)&&(r=this.files[t],i=t.slice(this.root.length,t.length))&&t.slice(0,this.root.length)===this.root&&e(i,r)},filter:function(i){var r=[];return this.forEach(function(e,t){i(e,t)&&r.push(t)}),r},file:function(e,t,i){var r,s;return 1===arguments.length?g(e)?(r=e,this.filter(function(e,t){return!t.dir&&r.test(e)})):(s=this.files[this.root+e])&&!s.dir?s:null:(e=this.root+e,m.call(this,e,t,i),this)},folder:function(i){var e,t;return i?g(i)?this.filter(function(e,t){return t.dir&&i.test(e)}):(e=this.root+i,e=n.call(this,e),(t=this.clone()).root=e.name,t):this},remove:function(i){i=this.root+i;var e=this.files[i];if(e||("/"!==i.slice(-1)&&(i+="/"),e=this.files[i]),e&&!e.dir)delete this.files[i];else for(var t=this.filter(function(e,t){return t.name.slice(0,i.length)===i}),r=0;r<t.length;r++)delete this.files[t[r].name];return this},generate:function(e){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},generateInternalStream:function(e){var t={};try{if((t=a.extend(e||{},{streamFiles:!1,compression:"STORE",compressionOptions:null,type:"",platform:"DOS",comment:null,mimeType:"application/zip",encodeFileName:s.utf8encode})).type=t.type.toLowerCase(),t.compression=t.compression.toUpperCase(),"binarystring"===t.type&&(t.type="string"),!t.type)throw new Error("No output type specified.");a.checkSupport(t.type),"darwin"!==e.platform&&"freebsd"!==e.platform&&"linux"!==e.platform&&"sunos"!==e.platform||(e.platform="UNIX"),"win32"===e.platform&&(e.platform="DOS");var i=t.comment||this.comment||"",r=f.generateWorker(this,t,i)}catch(e){(r=new o("error")).error(e)}return new u(r,t.type||"string",t.mimeType)},generateAsync:function(e,t){return this.generateInternalStream(e).accumulate(t)},generateNodeStream:function(e,t){return(e=e||{}).type||(e.type="nodebuffer"),this.generateInternalStream(e).toNodejsStream(t)}}},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":35,"./nodejsUtils":12,"./stream/GenericWorker":25,"./stream/StreamHelper":26,"./utf8":28,"./utils":29,"./zipObject":32}],14:[function(e,t,i){var r=e("./DataReader");function s(e){r.call(this,e);for(var t=0;t<this.data.length;t++)e[t]=255&e[t]}e("../utils").inherits(s,r),s.prototype.byteAt=function(e){return this.data[this.zero+e]},s.prototype.lastIndexOfSignature=function(e){for(var t=e.charCodeAt(0),i=e.charCodeAt(1),r=e.charCodeAt(2),s=e.charCodeAt(3),n=this.length-4;0<=n;--n)if(this.data[n]===t&&this.data[n+1]===i&&this.data[n+2]===r&&this.data[n+3]===s)return n-this.zero;return-1},s.prototype.readAndCheckSignature=function(e){var t=e.charCodeAt(0),i=e.charCodeAt(1),r=e.charCodeAt(2),e=e.charCodeAt(3),s=this.readData(4);return t===s[0]&&i===s[1]&&r===s[2]&&e===s[3]},s.prototype.readData=function(e){var t;return this.checkOffset(e),0===e?[]:(t=this.data.slice(this.zero+this.index,this.zero+this.index+e),this.index+=e,t)},t.exports=s},{"../utils":29,"./DataReader":15}],15:[function(e,t,i){var r=e("../utils");function s(e){this.data=e,this.length=e.length,this.index=0,this.zero=0}s.prototype={checkOffset:function(e){this.checkIndex(this.index+e)},checkIndex:function(e){if(this.length<this.zero+e||e<0)throw new Error("End of data reached (data length = "+this.length+", asked index = "+e+"). Corrupted zip ?")},setIndex:function(e){this.checkIndex(e),this.index=e},skip:function(e){this.setIndex(this.index+e)},byteAt:function(e){},readInt:function(e){var t,i=0;for(this.checkOffset(e),t=this.index+e-1;t>=this.index;t--)i=(i<<8)+this.byteAt(t);return this.index+=e,i},readString:function(e){return r.transformTo("string",this.readData(e))},readData:function(e){},lastIndexOfSignature:function(e){},readAndCheckSignature:function(e){},readDate:function(){var e=this.readInt(4);return new Date(Date.UTC(1980+(e>>25&127),(e>>21&15)-1,e>>16&31,e>>11&31,e>>5&63,(31&e)<<1))}},t.exports=s},{"../utils":29}],16:[function(e,t,i){var r=e("./Uint8ArrayReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.readData=function(e){this.checkOffset(e);var t=this.data.slice(this.zero+this.index,this.zero+this.index+e);return this.index+=e,t},t.exports=s},{"../utils":29,"./Uint8ArrayReader":18}],17:[function(e,t,i){var r=e("./DataReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.byteAt=function(e){return this.data.charCodeAt(this.zero+e)},s.prototype.lastIndexOfSignature=function(e){return this.data.lastIndexOf(e)-this.zero},s.prototype.readAndCheckSignature=function(e){return e===this.readData(4)},s.prototype.readData=function(e){this.checkOffset(e);var t=this.data.slice(this.zero+this.index,this.zero+this.index+e);return this.index+=e,t},t.exports=s},{"../utils":29,"./DataReader":15}],18:[function(e,t,i){var r=e("./ArrayReader");function s(e){r.call(this,e)}e("../utils").inherits(s,r),s.prototype.readData=function(e){var t;return this.checkOffset(e),0===e?new Uint8Array(0):(t=this.data.subarray(this.zero+this.index,this.zero+this.index+e),this.index+=e,t)},t.exports=s},{"../utils":29,"./ArrayReader":14}],19:[function(e,t,i){var r=e("../utils"),s=e("../support"),n=e("./ArrayReader"),a=e("./StringReader"),o=e("./NodeBufferReader"),u=e("./Uint8ArrayReader");t.exports=function(e){var t=r.getTypeOf(e);return r.checkSupport(t),"string"!==t||s.uint8array?"nodebuffer"===t?new o(e):s.uint8array?new u(r.transformTo("uint8array",e)):new n(r.transformTo("array",e)):new a(e)}},{"../support":27,"../utils":29,"./ArrayReader":14,"./NodeBufferReader":16,"./StringReader":17,"./Uint8ArrayReader":18}],20:[function(e,t,i){i.LOCAL_FILE_HEADER="PK",i.CENTRAL_FILE_HEADER="PK
",i.CENTRAL_DIRECTORY_END="PK",i.ZIP64_CENTRAL_DIRECTORY_LOCATOR="PK",i.ZIP64_CENTRAL_DIRECTORY_END="PK",i.DATA_DESCRIPTOR="PK\b"},{}],21:[function(e,t,i){var r=e("./GenericWorker"),s=e("../utils");function n(e){r.call(this,"ConvertWorker to "+e),this.destType=e}s.inherits(n,r),n.prototype.processChunk=function(e){this.push({data:s.transformTo(this.destType,e.data),meta:e.meta})},t.exports=n},{"../utils":29,"./GenericWorker":25}],22:[function(e,t,i){var r=e("./GenericWorker"),s=e("../crc32");function n(){r.call(this,"Crc32Probe")}e("../utils").inherits(n,r),n.prototype.processChunk=function(e){this.streamInfo.crc32=s(e.data,this.streamInfo.crc32||0),this.push(e)},t.exports=n},{"../crc32":4,"../utils":29,"./GenericWorker":25}],23:[function(e,t,i){var r=e("../utils"),s=e("./GenericWorker");function n(e){s.call(this,"DataLengthProbe for "+e),this.propName=e,this.withStreamInfo(e,0)}r.inherits(n,s),n.prototype.processChunk=function(e){var t;e&&(t=this.streamInfo[this.propName]||0,this.streamInfo[this.propName]=t+e.data.length),s.prototype.processChunk.call(this,e)},t.exports=n},{"../utils":29,"./GenericWorker":25}],24:[function(e,t,i){var r=e("../utils"),s=e("./GenericWorker");function n(e){s.call(this,"DataWorker");var t=this;this.dataIsReady=!1,this.index=0,this.max=0,this.data=null,this.type="",this._tickScheduled=!1,e.then(function(e){t.dataIsReady=!0,t.data=e,t.max=e&&e.length||0,t.type=r.getTypeOf(e),t.isPaused||t._tickAndRepeat()},function(e){t.error(e)})}r.inherits(n,s),n.prototype.cleanUp=function(){s.prototype.cleanUp.call(this),this.data=null},n.prototype.resume=function(){return!!s.prototype.resume.call(this)&&(!this._tickScheduled&&this.dataIsReady&&(this._tickScheduled=!0,r.delay(this._tickAndRepeat,[],this)),!0)},n.prototype._tickAndRepeat=function(){this._tickScheduled=!1,this.isPaused||this.isFinished||(this._tick(),this.isFinished)||(r.delay(this._tickAndRepeat,[],this),this._tickScheduled=!0)},n.prototype._tick=function(){if(this.isPaused||this.isFinished)return!1;var e=null,t=Math.min(this.max,this.index+16384);if(this.index>=this.max)return this.end();switch(this.type){case"string":e=this.data.substring(this.index,t);break;case"uint8array":e=this.data.subarray(this.index,t);break;case"array":case"nodebuffer":e=this.data.slice(this.index,t)}return this.index=t,this.push({data:e,meta:{percent:this.max?this.index/this.max*100:0}})},t.exports=n},{"../utils":29,"./GenericWorker":25}],25:[function(e,t,i){function r(e){this.name=e||"default",this.streamInfo={},this.generatedError=null,this.extraStreamInfo={},this.isPaused=!0,this.isFinished=!1,this.isLocked=!1,this._listeners={data:[],end:[],error:[]},this.previous=null}r.prototype={push:function(e){this.emit("data",e)},end:function(){if(this.isFinished)return!1;this.flush();try{this.emit("end"),this.cleanUp(),this.isFinished=!0}catch(e){this.emit("error",e)}return!0},error:function(e){return!this.isFinished&&(this.isPaused?this.generatedError=e:(this.isFinished=!0,this.emit("error",e),this.previous&&this.previous.error(e),this.cleanUp()),!0)},on:function(e,t){return this._listeners[e].push(t),this},cleanUp:function(){this.streamInfo=this.generatedError=this.extraStreamInfo=null,this._listeners=[]},emit:function(e,t){if(this._listeners[e])for(var i=0;i<this._listeners[e].length;i++)this._listeners[e][i].call(this,t)},pipe:function(e){return e.registerPrevious(this)},registerPrevious:function(e){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.streamInfo=e.streamInfo,this.mergeStreamInfo(),this.previous=e;var t=this;return e.on("data",function(e){t.processChunk(e)}),e.on("end",function(){t.end()}),e.on("error",function(e){t.error(e)}),this},pause:function(){return!this.isPaused&&!this.isFinished&&(this.isPaused=!0,this.previous&&this.previous.pause(),!0)},resume:function(){var e;return!(!this.isPaused||this.isFinished||(e=this.isPaused=!1,this.generatedError&&(this.error(this.generatedError),e=!0),this.previous&&this.previous.resume(),e))},flush:function(){},processChunk:function(e){this.push(e)},withStreamInfo:function(e,t){return this.extraStreamInfo[e]=t,this.mergeStreamInfo(),this},mergeStreamInfo:function(){for(var e in this.extraStreamInfo)this.extraStreamInfo.hasOwnProperty(e)&&(this.streamInfo[e]=this.extraStreamInfo[e])},lock:function(){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.isLocked=!0,this.previous&&this.previous.lock()},toString:function(){var e="Worker "+this.name;return this.previous?this.previous+" -> "+e:e}},t.exports=r},{}],26:[function(a,o,e){!function(u){var l=a("../utils"),s=a("./ConvertWorker"),n=a("./GenericWorker"),c=a("../base64"),t=a("../nodejs/NodejsStreamOutputAdapter"),i=a("../external");function r(e,o){return new i.Promise(function(t,i){var r=[],s=e._internalType,n=e._outputType,a=e._mimeType;e.on("data",function(e,t){r.push(e),o&&o(t)}).on("error",function(e){r=[],i(e)}).on("end",function(){try{var e=function(e,t,i){switch(e){case"blob":return l.newBlob(l.transformTo("arraybuffer",t),i);case"base64":return c.encode(t);default:return l.transformTo(e,t)}}(n,function(e,t){for(var i=0,r=null,s=0,n=0;n<t.length;n++)s+=t[n].length;switch(e){case"string":return t.join("");case"array":return Array.prototype.concat.apply([],t);case"uint8array":for(r=new Uint8Array(s),n=0;n<t.length;n++)r.set(t[n],i),i+=t[n].length;return r;case"nodebuffer":return u.concat(t);default:throw new Error("concat : unsupported type '"+e+"'")}}(s,r),a);t(e)}catch(e){i(e)}r=[]}).resume()})}function e(e,t,i){var r=t;switch(t){case"blob":case"arraybuffer":r="uint8array";break;case"base64":r="string"}try{this._internalType=r,this._outputType=t,this._mimeType=i,l.checkSupport(r),this._worker=e.pipe(new s(r)),e.lock()}catch(e){this._worker=new n("error"),this._worker.error(e)}}e.prototype={accumulate:function(e){return r(this,e)},on:function(e,t){var i=this;return"data"===e?this._worker.on(e,function(e){t.call(i,e.data,e.meta)}):this._worker.on(e,function(){l.delay(t,arguments,i)}),this},resume:function(){return l.delay(this._worker.resume,[],this._worker),this},pause:function(){return this._worker.pause(),this},toNodejsStream:function(e){if(l.checkSupport("nodestream"),"nodebuffer"!==this._outputType)throw new Error(this._outputType+" is not supported by this method");return new t(this,{objectMode:"nodebuffer"!==this._outputType},e)}},o.exports=e}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{"../base64":1,"../external":6,"../nodejs/NodejsStreamOutputAdapter":35,"../utils":29,"./ConvertWorker":21,"./GenericWorker":25}],27:[function(e,t,r){!function(t){if(r.base64=!0,r.array=!0,r.string=!0,r.arraybuffer="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof Uint8Array,r.nodebuffer=void 0!==t,r.uint8array="undefined"!=typeof Uint8Array,"undefined"==typeof ArrayBuffer)r.blob=!1;else{t=new ArrayBuffer(0);try{r.blob=0===new Blob([t],{type:"application/zip"}).size}catch(e){try{var i=new(window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder);i.append(t),r.blob=0===i.getBlob("application/zip").size}catch(e){r.blob=!1}}}r.nodestream=!!e("./nodejs/NodejsStreamOutputAdapter").prototype}.call(this,"undefined"!=typeof Buffer?Buffer:void 0)},{"./nodejs/NodejsStreamOutputAdapter":35}],28:[function(e,t,s){for(var u=e("./utils"),l=e("./support"),c=e("./nodejsUtils"),i=e("./stream/GenericWorker"),h=new Array(256),r=0;r<256;r++)h[r]=252<=r?6:248<=r?5:240<=r?4:224<=r?3:192<=r?2:1;h[254]=h[254]=1;function n(){i.call(this,"utf-8 decode"),this.leftOver=null}function a(){i.call(this,"utf-8 encode")}s.utf8encode=function(e){if(l.nodebuffer)return c.newBuffer(e,"utf-8");for(var t,i,r,s,n=e,a=n.length,o=0,u=0;u<a;u++)55296==(64512&(i=n.charCodeAt(u)))&&u+1<a&&56320==(64512&(r=n.charCodeAt(u+1)))&&(i=65536+(i-55296<<10)+(r-56320),u++),o+=i<128?1:i<2048?2:i<65536?3:4;for(t=new(l.uint8array?Uint8Array:Array)(o),u=s=0;s<o;u++)55296==(64512&(i=n.charCodeAt(u)))&&u+1<a&&56320==(64512&(r=n.charCodeAt(u+1)))&&(i=65536+(i-55296<<10)+(r-56320),u++),i<128?t[s++]=i:(i<2048?t[s++]=192|i>>>6:(i<65536?t[s++]=224|i>>>12:(t[s++]=240|i>>>18,t[s++]=128|i>>>12&63),t[s++]=128|i>>>6&63),t[s++]=128|63&i);return t},s.utf8decode=function(e){if(l.nodebuffer)return u.transformTo("nodebuffer",e).toString("utf-8");for(var t,i,r=e=u.transformTo(l.uint8array?"uint8array":"array",e),s=r.length,n=new Array(2*s),a=0,o=0;o<s;)if((t=r[o++])<128)n[a++]=t;else if(4<(i=h[t]))n[a++]=65533,o+=i-1;else{for(t&=2===i?31:3===i?15:7;1<i&&o<s;)t=t<<6|63&r[o++],i--;1<i?n[a++]=65533:t<65536?n[a++]=t:(t-=65536,n[a++]=55296|t>>10&1023,n[a++]=56320|1023&t)}return n.length!==a&&(n.subarray?n=n.subarray(0,a):n.length=a),u.applyFromCharCode(n)},u.inherits(n,i),n.prototype.processChunk=function(e){var t=u.transformTo(l.uint8array?"uint8array":"array",e.data),i=(this.leftOver&&this.leftOver.length&&(l.uint8array?(i=t,(t=new Uint8Array(i.length+this.leftOver.length)).set(this.leftOver,0),t.set(i,this.leftOver.length)):t=this.leftOver.concat(t),this.leftOver=null),function(e,t){for(var i=(t=(t=t||e.length)>e.length?e.length:t)-1;0<=i&&128==(192&e[i]);)i--;return!(i<0)&&0!==i&&i+h[e[i]]>t?i:t}(t)),r=t;i!==t.length&&(l.uint8array?(r=t.subarray(0,i),this.leftOver=t.subarray(i,t.length)):(r=t.slice(0,i),this.leftOver=t.slice(i,t.length))),this.push({data:s.utf8decode(r),meta:e.meta})},n.prototype.flush=function(){this.leftOver&&this.leftOver.length&&(this.push({data:s.utf8decode(this.leftOver),meta:{}}),this.leftOver=null)},s.Utf8DecodeWorker=n,u.inherits(a,i),a.prototype.processChunk=function(e){this.push({data:s.utf8encode(e.data),meta:e.meta})},s.Utf8EncodeWorker=a},{"./nodejsUtils":12,"./stream/GenericWorker":25,"./support":27,"./utils":29}],29:[function(e,t,o){var u=e("./support"),l=e("./base64"),i=e("./nodejsUtils"),r=e("asap"),c=e("./external");function s(e){return e}function h(e,t){for(var i=0;i<e.length;++i)t[i]=255&e.charCodeAt(i);return t}o.newBlob=function(t,i){o.checkSupport("blob");try{return new Blob([t],{type:i})}catch(e){try{var r=new(window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder);return r.append(t),r.getBlob(i)}catch(e){throw new Error("Bug : can't construct the Blob.")}}};var n={stringifyByChunk:function(e,t,i){var r=[],s=0,n=e.length;if(n<=i)return String.fromCharCode.apply(null,e);for(;s<n;)r.push("array"===t||"nodebuffer"===t?String.fromCharCode.apply(null,e.slice(s,Math.min(s+i,n))):String.fromCharCode.apply(null,e.subarray(s,Math.min(s+i,n)))),s+=i;return r.join("")},stringifyByChar:function(e){for(var t="",i=0;i<e.length;i++)t+=String.fromCharCode(e[i]);return t},applyCanBeUsed:{uint8array:function(){try{return u.uint8array&&1===String.fromCharCode.apply(null,new Uint8Array(1)).length}catch(e){return!1}}(),nodebuffer:function(){try{return u.nodebuffer&&1===String.fromCharCode.apply(null,i.newBuffer(1)).length}catch(e){return!1}}()}};function a(e){var t=65536,i=o.getTypeOf(e),r=!0;if("uint8array"===i?r=n.applyCanBeUsed.uint8array:"nodebuffer"===i&&(r=n.applyCanBeUsed.nodebuffer),r)for(;1<t;)try{return n.stringifyByChunk(e,i,t)}catch(e){t=Math.floor(t/2)}return n.stringifyByChar(e)}function f(e,t){for(var i=0;i<e.length;i++)t[i]=e[i];return t}o.applyFromCharCode=a;var p={};p.string={string:s,array:function(e){return h(e,new Array(e.length))},arraybuffer:function(e){return p.string.uint8array(e).buffer},uint8array:function(e){return h(e,new Uint8Array(e.length))},nodebuffer:function(e){return h(e,i.newBuffer(e.length))}},p.array={string:a,array:s,arraybuffer:function(e){return new Uint8Array(e).buffer},uint8array:function(e){return new Uint8Array(e)},nodebuffer:function(e){return i.newBuffer(e)}},p.arraybuffer={string:function(e){return a(new Uint8Array(e))},array:function(e){return f(new Uint8Array(e),new Array(e.byteLength))},arraybuffer:s,uint8array:function(e){return new Uint8Array(e)},nodebuffer:function(e){return i.newBuffer(new Uint8Array(e))}},p.uint8array={string:a,array:function(e){return f(e,new Array(e.length))},arraybuffer:function(e){return e.buffer},uint8array:s,nodebuffer:function(e){return i.newBuffer(e)}},p.nodebuffer={string:a,array:function(e){return f(e,new Array(e.length))},arraybuffer:function(e){return p.nodebuffer.uint8array(e).buffer},uint8array:function(e){return f(e,new Uint8Array(e.length))},nodebuffer:s},o.transformTo=function(e,t){if(t=t||"",!e)return t;o.checkSupport(e);var i=o.getTypeOf(t);return p[i][e](t)},o.getTypeOf=function(e){return"string"==typeof e?"string":"[object Array]"===Object.prototype.toString.call(e)?"array":u.nodebuffer&&i.isBuffer(e)?"nodebuffer":u.uint8array&&e instanceof Uint8Array?"uint8array":u.arraybuffer&&e instanceof ArrayBuffer?"arraybuffer":void 0},o.checkSupport=function(e){if(!u[e.toLowerCase()])throw new Error(e+" is not supported by this platform")},o.MAX_VALUE_16BITS=65535,o.MAX_VALUE_32BITS=-1,o.pretty=function(e){for(var t,i="",r=0;r<(e||"").length;r++)i+="\\x"+((t=e.charCodeAt(r))<16?"0":"")+t.toString(16).toUpperCase();return i},o.delay=function(e,t,i){r(function(){e.apply(i||null,t||[])})},o.inherits=function(e,t){function i(){}i.prototype=t.prototype,e.prototype=new i},o.extend=function(){for(var e,t={},i=0;i<arguments.length;i++)for(e in arguments[i])arguments[i].hasOwnProperty(e)&&void 0===t[e]&&(t[e]=arguments[i][e]);return t},o.prepareContent=function(i,r,s,n,a){return(u.blob&&r instanceof Blob&&"undefined"!=typeof FileReader?new c.Promise(function(t,i){var e=new FileReader;e.onload=function(e){t(e.target.result)},e.onerror=function(e){i(e.target.error)},e.readAsArrayBuffer(r)}):c.Promise.resolve(r)).then(function(e){var t=o.getTypeOf(e);return t?("arraybuffer"===t?e=o.transformTo("uint8array",e):"string"===t&&(a?e=l.decode(e):s&&!0!==n&&(e=h(t=e,new(u.uint8array?Uint8Array:Array)(t.length)))),e):c.Promise.reject(new Error("The data of '"+i+"' is in an unsupported format !"))})}},{"./base64":1,"./external":6,"./nodejsUtils":12,"./support":27,asap:33}],30:[function(e,t,i){var r=e("./reader/readerFor"),s=e("./utils"),n=e("./signature"),a=e("./zipEntry"),o=(e("./utf8"),e("./support"));function u(e){this.files=[],this.loadOptions=e}u.prototype={checkSignature:function(e){var t;if(!this.reader.readAndCheckSignature(e))throw this.reader.index-=4,t=this.reader.readString(4),new Error("Corrupted zip or bug : unexpected signature ("+s.pretty(t)+", expected "+s.pretty(e)+")")},isSignature:function(e,t){var i=this.reader.index;this.reader.setIndex(e);e=this.reader.readString(4)===t;return this.reader.setIndex(i),e},readBlockEndOfCentral:function(){this.diskNumber=this.reader.readInt(2),this.diskWithCentralDirStart=this.reader.readInt(2),this.centralDirRecordsOnThisDisk=this.reader.readInt(2),this.centralDirRecords=this.reader.readInt(2),this.centralDirSize=this.reader.readInt(4),this.centralDirOffset=this.reader.readInt(4),this.zipCommentLength=this.reader.readInt(2);var e=this.reader.readData(this.zipCommentLength),t=o.uint8array?"uint8array":"array",t=s.transformTo(t,e);this.zipComment=this.loadOptions.decodeFileName(t)},readBlockZip64EndOfCentral:function(){this.zip64EndOfCentralSize=this.reader.readInt(8),this.reader.skip(4),this.diskNumber=this.reader.readInt(4),this.diskWithCentralDirStart=this.reader.readInt(4),this.centralDirRecordsOnThisDisk=this.reader.readInt(8),this.centralDirRecords=this.reader.readInt(8),this.centralDirSize=this.reader.readInt(8),this.centralDirOffset=this.reader.readInt(8),this.zip64ExtensibleData={};for(var e,t,i,r=this.zip64EndOfCentralSize-44;0<r;)e=this.reader.readInt(2),t=this.reader.readInt(4),i=this.reader.readData(t),this.zip64ExtensibleData[e]={id:e,length:t,value:i}},readBlockZip64EndOfCentralLocator:function(){if(this.diskWithZip64CentralDirStart=this.reader.readInt(4),this.relativeOffsetEndOfZip64CentralDir=this.reader.readInt(8),this.disksCount=this.reader.readInt(4),1<this.disksCount)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){for(var e,t=0;t<this.files.length;t++)e=this.files[t],this.reader.setIndex(e.localHeaderOffset),this.checkSignature(n.LOCAL_FILE_HEADER),e.readLocalPart(this.reader),e.handleUTF8(),e.processAttributes()},readCentralDir:function(){var e;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(n.CENTRAL_FILE_HEADER);)(e=new a({zip64:this.zip64},this.loadOptions)).readCentralPart(this.reader),this.files.push(e);if(this.centralDirRecords!==this.files.length&&0!==this.centralDirRecords&&0===this.files.length)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var e=this.reader.lastIndexOfSignature(n.CENTRAL_DIRECTORY_END);if(e<0)throw!this.isSignature(0,n.LOCAL_FILE_HEADER)?new Error("Can't find end of central directory : is this a zip file ? If it is, see http://stuk.github.io/jszip/documentation/howto/read_zip.html"):new Error("Corrupted zip : can't find end of central directory");this.reader.setIndex(e);var t=e;if(this.checkSignature(n.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===s.MAX_VALUE_16BITS||this.diskWithCentralDirStart===s.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===s.MAX_VALUE_16BITS||this.centralDirRecords===s.MAX_VALUE_16BITS||this.centralDirSize===s.MAX_VALUE_32BITS||this.centralDirOffset===s.MAX_VALUE_32BITS){if(this.zip64=!0,(e=this.reader.lastIndexOfSignature(n.ZIP64_CENTRAL_DIRECTORY_LOCATOR))<0)throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");if(this.reader.setIndex(e),this.checkSignature(n.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,n.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(n.ZIP64_CENTRAL_DIRECTORY_END),this.relativeOffsetEndOfZip64CentralDir<0))throw new Error("Corrupted zip : can't find the ZIP64 end of central directory");this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir),this.checkSignature(n.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64EndOfCentral()}e=this.centralDirOffset+this.centralDirSize,e=t-(e=this.zip64?e+20+(12+this.zip64EndOfCentralSize):e);if(0<e)this.isSignature(t,n.CENTRAL_FILE_HEADER)||(this.reader.zero=e);else if(e<0)throw new Error("Corrupted zip: missing "+Math.abs(e)+" bytes.")},prepareReader:function(e){this.reader=r(e)},load:function(e){this.prepareReader(e),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},t.exports=u},{"./reader/readerFor":19,"./signature":20,"./support":27,"./utf8":28,"./utils":29,"./zipEntry":31}],31:[function(e,t,i){var r=e("./reader/readerFor"),s=e("./utils"),n=e("./compressedObject"),a=e("./crc32"),o=e("./utf8"),u=e("./compressions"),l=e("./support");function c(e,t){this.options=e,this.loadOptions=t}c.prototype={isEncrypted:function(){return 1==(1&this.bitFlag)},useUTF8:function(){return 2048==(2048&this.bitFlag)},readLocalPart:function(e){var t;if(e.skip(22),this.fileNameLength=e.readInt(2),t=e.readInt(2),this.fileName=e.readData(this.fileNameLength),e.skip(t),-1===this.compressedSize||-1===this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory (compressedSize === -1 || uncompressedSize === -1)");if(null===(t=function(e){for(var t in u)if(u.hasOwnProperty(t)&&u[t].magic===e)return u[t];return null}(this.compressionMethod)))throw new Error("Corrupted zip : compression "+s.pretty(this.compressionMethod)+" unknown (inner file : "+s.transformTo("string",this.fileName)+")");this.decompressed=new n(this.compressedSize,this.uncompressedSize,this.crc32,t,e.readData(this.compressedSize))},readCentralPart:function(e){this.versionMadeBy=e.readInt(2),e.skip(2),this.bitFlag=e.readInt(2),this.compressionMethod=e.readString(2),this.date=e.readDate(),this.crc32=e.readInt(4),this.compressedSize=e.readInt(4),this.uncompressedSize=e.readInt(4);var t=e.readInt(2);if(this.extraFieldsLength=e.readInt(2),this.fileCommentLength=e.readInt(2),this.diskNumberStart=e.readInt(2),this.internalFileAttributes=e.readInt(2),this.externalFileAttributes=e.readInt(4),this.localHeaderOffset=e.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");e.skip(t),this.readExtraFields(e),this.parseZIP64ExtraField(e),this.fileComment=e.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var e=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),0==e&&(this.dosPermissions=63&this.externalFileAttributes),3==e&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(e){var t;this.extraFields[1]&&(t=r(this.extraFields[1].value),this.uncompressedSize===s.MAX_VALUE_32BITS&&(this.uncompressedSize=t.readInt(8)),this.compressedSize===s.MAX_VALUE_32BITS&&(this.compressedSize=t.readInt(8)),this.localHeaderOffset===s.MAX_VALUE_32BITS&&(this.localHeaderOffset=t.readInt(8)),this.diskNumberStart===s.MAX_VALUE_32BITS)&&(this.diskNumberStart=t.readInt(4))},readExtraFields:function(e){var t,i,r,s=e.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});e.index<s;)t=e.readInt(2),i=e.readInt(2),r=e.readData(i),this.extraFields[t]={id:t,length:i,value:r}},handleUTF8:function(){var e,t=l.uint8array?"uint8array":"array";this.useUTF8()?(this.fileNameStr=o.utf8decode(this.fileName),this.fileCommentStr=o.utf8decode(this.fileComment)):(null!==(e=this.findExtraFieldUnicodePath())?this.fileNameStr=e:(e=s.transformTo(t,this.fileName),this.fileNameStr=this.loadOptions.decodeFileName(e)),null!==(e=this.findExtraFieldUnicodeComment())?this.fileCommentStr=e:(e=s.transformTo(t,this.fileComment),this.fileCommentStr=this.loadOptions.decodeFileName(e)))},findExtraFieldUnicodePath:function(){var e,t=this.extraFields[28789];return!t||1!==(e=r(t.value)).readInt(1)||a(this.fileName)!==e.readInt(4)?null:o.utf8decode(e.readData(t.length-5))},findExtraFieldUnicodeComment:function(){var 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i,r,s=e.max_chain_length,n=e.strstart,a=e.prev_length,o=e.nice_match,u=e.strstart>e.w_size-b?e.strstart-(e.w_size-b):0,l=e.window,c=e.w_mask,h=e.prev,f=e.strstart+k,p=l[n+a-1],d=l[n+a];e.prev_length>=e.good_match&&(s>>=2),o>e.lookahead&&(o=e.lookahead);do{if(l[(i=t)+a]===d&&l[i+a-1]===p&&l[i]===l[n]&&l[++i]===l[n+1]){for(n+=2,i++;l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&n<f;);if(r=k-(f-n),n=f-k,a<r){if(e.match_start=t,o<=(a=r))break;p=l[n+a-1],d=l[n+a]}}}while((t=h[t&c])>u&&0!=--s);return a<=e.lookahead?a:e.lookahead}function q(e){var t,i,r,s,n,a,o,u,l,c=e.w_size;do{if(u=e.window_size-e.lookahead-e.strstart,e.strstart>=c+(c-b)){for(h.arraySet(e.window,e.window,c,c,0),e.match_start-=c,e.strstart-=c,e.block_start-=c,t=i=e.hash_size;r=e.head[--t],e.head[t]=c<=r?r-c:0,--i;);for(t=i=c;r=e.prev[--t],e.prev[t]=c<=r?r-c:0,--i;);u+=c}if(0===e.strm.avail_in)break;if(n=e.strm,a=e.window,o=e.strstart+e.lookahead,u=u,l=void 0,l=n.avail_in,i=0===(l=u<l?u:l)?0:(n.avail_in-=l,h.arraySet(a,n.input,n.next_in,l,o),1===n.state.wrap?n.adler=f(n.adler,a,l,o):2===n.state.wrap&&(n.adler=p(n.adler,a,l,o)),n.next_in+=l,n.total_in+=l,l),e.lookahead+=i,e.lookahead+e.insert>=g)for(s=e.strstart-e.insert,e.ins_h=e.window[s],e.ins_h=(e.ins_h<<e.hash_shift^e.window[s+1])&e.hash_mask;e.insert&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[s+g-1])&e.hash_mask,e.prev[s&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=s,s++,e.insert--,!(e.lookahead+e.insert<g)););}while(e.lookahead<b&&0!==e.strm.avail_in)}function r(e,t){for(var i,r;;){if(e.lookahead<b){if(q(e),e.lookahead<b&&t===l)return F;if(0===e.lookahead)break}if(i=0,e.lookahead>=g&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+g-1])&e.hash_mask,i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-b&&(e.match_length=n(e,i)),e.match_length>=g)if(r=u._tr_tally(e,e.strstart-e.match_start,e.match_length-g),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=g){for(e.match_length--;e.strstart++,e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+g-1])&e.hash_mask,i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart,0!=--e.match_length;);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+1])&e.hash_mask;else r=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=e.strstart<g-1?e.strstart:g-1,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}function s(e,t){for(var i,r,s;;){if(e.lookahead<b){if(q(e),e.lookahead<b&&t===l)return 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h.Buf16(2*i+1),P(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function B(e){var t;return e&&e.state?(e.total_in=e.total_out=0,e.data_type=R,(t=e.state).pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=t.wrap?y:S,e.adler=2===t.wrap?0:1,t.last_flush=l,u._tr_init(t),d):A(e,m)}function M(e){var t=B(e);return t===d&&((e=e.state).window_size=2*e.w_size,P(e.head),e.max_lazy_match=o[e.level].max_lazy,e.good_match=o[e.level].good_length,e.nice_match=o[e.level].nice_length,e.max_chain_length=o[e.level].max_chain,e.strstart=0,e.block_start=0,e.lookahead=0,e.insert=0,e.match_length=e.prev_length=g-1,e.match_available=0,e.ins_h=0),t}function G(e,t,i,r,s,n){if(!e)return m;var a=1;if(t===E&&(t=6),r<0?(a=0,r=-r):15<r&&(a=2,r-=16),s<1||D<s||i!==v||r<8||15<r||t<0||9<t||n<0||L<n)return A(e,m);8===r&&(r=9);var o=new H;return(e.state=o).strm=e,o.wrap=a,o.gzhead=null,o.w_bits=r,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=s+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+g-1)/g),o.window=new h.Buf8(2*o.w_size),o.head=new h.Buf16(o.hash_size),o.prev=new h.Buf16(o.w_size),o.lit_bufsize=1<<s+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new h.Buf8(o.pending_buf_size),o.d_buf=o.lit_bufsize>>1,o.l_buf=3*o.lit_bufsize,o.level=t,o.strategy=n,o.method=i,M(e)}o=[new a(0,0,0,0,function(e,t){var i=65535;for(i>e.pending_buf_size-5&&(i=e.pending_buf_size-5);;){if(e.lookahead<=1){if(q(e),0===e.lookahead&&t===l)return F;if(0===e.lookahead)break}e.strstart+=e.lookahead,e.lookahead=0;var r=e.block_start+i;if((0===e.strstart||e.strstart>=r)&&(e.lookahead=e.strstart-r,e.strstart=r,x(e,!1),0===e.strm.avail_out))return F;if(e.strstart-e.block_start>=e.w_size-b&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):(e.strstart>e.block_start&&(x(e,!1),e.strm.avail_out),F)}),new a(4,4,8,4,r),new a(4,5,16,8,r),new a(4,6,32,32,r),new a(4,4,16,16,s),new a(8,16,32,32,s),new a(8,16,128,128,s),new a(8,32,128,256,s),new a(32,128,258,1024,s),new a(32,258,258,4096,s)],t.deflateInit=function(e,t){return G(e,t,v,15,8,0)},t.deflateInit2=G,t.deflateReset=M,t.deflateResetKeep=B,t.deflateSetHeader=function(e,t){return!e||!e.state||2!==e.state.wrap?m:(e.state.gzhead=t,d)},t.deflate=function(e,t){var i,r,s,n;if(!e||!e.state||5<t||t<0)return e?A(e,m):m;if(r=e.state,!e.output||!e.input&&0!==e.avail_in||666===r.status&&t!==c)return A(e,0===e.avail_out?-5:m);if(r.strm=e,i=r.last_flush,r.last_flush=t,r.status===y&&(2===r.wrap?(e.adler=0,V(r,31),V(r,139),V(r,8),r.gzhead?(V(r,(r.gzhead.text?1:0)+(r.gzhead.hcrc?2:0)+(r.gzhead.extra?4:0)+(r.gzhead.name?8:0)+(r.gzhead.comment?16:0)),V(r,255&r.gzhead.time),V(r,r.gzhead.time>>8&255),V(r,r.gzhead.time>>16&255),V(r,r.gzhead.time>>24&255),V(r,9===r.level?2:2<=r.strategy||r.level<2?4:0),V(r,255&r.gzhead.os),r.gzhead.extra&&r.gzhead.extra.length&&(V(r,255&r.gzhead.extra.length),V(r,r.gzhead.extra.length>>8&255)),r.gzhead.hcrc&&(e.adler=p(e.adler,r.pending_buf,r.pending,0)),r.gzindex=0,r.status=69):(V(r,0),V(r,0),V(r,0),V(r,0),V(r,0),V(r,9===r.level?2:2<=r.strategy||r.level<2?4:0),V(r,3),r.status=S)):(a=v+(r.w_bits-8<<4)<<8,a|=(2<=r.strategy||r.level<2?0:r.level<6?1:6===r.level?2:3)<<6,0!==r.strstart&&(a|=32),a+=31-a%31,r.status=S,j(r,a),0!==r.strstart&&(j(r,e.adler>>>16),j(r,65535&e.adler)),e.adler=1)),69===r.status)if(r.gzhead.extra){for(s=r.pending;r.gzindex<(65535&r.gzhead.extra.length)&&(r.pending!==r.pending_buf_size||(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending!==r.pending_buf_size));)V(r,255&r.gzhead.extra[r.gzindex]),r.gzindex++;r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),r.gzindex===r.gzhead.extra.length&&(r.gzindex=0,r.status=73)}else r.status=73;if(73===r.status)if(r.gzhead.name){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending===r.pending_buf_size)){n=1;break}}while(n=r.gzindex<r.gzhead.name.length?255&r.gzhead.name.charCodeAt(r.gzindex++):0,V(r,n),0!==n);r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),0===n&&(r.gzindex=0,r.status=91)}else r.status=91;if(91===r.status)if(r.gzhead.comment){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),_(e),s=r.pending,r.pending===r.pending_buf_size)){n=1;break}}while(n=r.gzindex<r.gzhead.comment.length?255&r.gzhead.comment.charCodeAt(r.gzindex++):0,V(r,n),0!==n);r.gzhead.hcrc&&r.pending>s&&(e.adler=p(e.adler,r.pending_buf,r.pending-s,s)),0===n&&(r.status=103)}else r.status=103;if(103===r.status&&(r.gzhead.hcrc?(r.pending+2>r.pending_buf_size&&_(e),r.pending+2<=r.pending_buf_size&&(V(r,255&e.adler),V(r,e.adler>>8&255),e.adler=0,r.status=S)):r.status=S),0!==r.pending){if(_(e),0===e.avail_out)return r.last_flush=-1,d}else if(0===e.avail_in&&C(t)<=C(i)&&t!==c)return A(e,-5);if(666===r.status&&0!==e.avail_in)return A(e,-5);if(0!==e.avail_in||0!==r.lookahead||t!==l&&666!==r.status){var a=2===r.strategy?function(e,t){for(var i;;){if(0===e.lookahead&&(q(e),0===e.lookahead)){if(t===l)return F;break}if(e.match_length=0,i=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}(r,t):3===r.strategy?function(e,t){for(var i,r,s,n,a=e.window;;){if(e.lookahead<=k){if(q(e),e.lookahead<=k&&t===l)return F;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=g&&0<e.strstart&&(r=a[s=e.strstart-1])===a[++s]&&r===a[++s]&&r===a[++s]){for(n=e.strstart+k;r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&r===a[++s]&&s<n;);e.match_length=k-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=g?(i=u._tr_tally(e,1,e.match_length-g),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=u._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(x(e,!1),0===e.strm.avail_out))return F}return e.insert=0,t===c?(x(e,!0),0===e.strm.avail_out?I:w):e.last_lit&&(x(e,!1),0===e.strm.avail_out)?F:O}(r,t):o[r.level].func(r,t);if(a!==I&&a!==w||(r.status=666),a===F||a===I)return 0===e.avail_out&&(r.last_flush=-1),d;if(a===O&&(1===t?u._tr_align(r):5!==t&&(u._tr_stored_block(r,0,0,!1),3===t)&&(P(r.head),0===r.lookahead)&&(r.strstart=0,r.block_start=0,r.insert=0),_(e),0===e.avail_out))return r.last_flush=-1,d}return t!==c||!(r.wrap<=0)&&(2===r.wrap?(V(r,255&e.adler),V(r,e.adler>>8&255),V(r,e.adler>>16&255),V(r,e.adler>>24&255),V(r,255&e.total_in),V(r,e.total_in>>8&255),V(r,e.total_in>>16&255),V(r,e.total_in>>24&255)):(j(r,e.adler>>>16),j(r,65535&e.adler)),_(e),0<r.wrap&&(r.wrap=-r.wrap),0!==r.pending)?d:1},t.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==y&&69!==t&&73!==t&&91!==t&&103!==t&&t!==S&&666!==t?A(e,m):(e.state=null,t===S?A(e,-3):d):m},t.deflateSetDictionary=function(e,t){var i,r,s,n,a,o,u,l=t.length;if(!e||!e.state)return m;if(2===(n=(i=e.state).wrap)||1===n&&i.status!==y||i.lookahead)return m;for(1===n&&(e.adler=f(e.adler,t,l,0)),i.wrap=0,l>=i.w_size&&(0===n&&(P(i.head),i.strstart=0,i.block_start=0,i.insert=0),u=new h.Buf8(i.w_size),h.arraySet(u,t,l-i.w_size,i.w_size,0),t=u,l=i.w_size),u=e.avail_in,a=e.next_in,o=e.input,e.avail_in=l,e.next_in=0,e.input=t,q(i);i.lookahead>=g;){for(r=i.strstart,s=i.lookahead-(g-1);i.ins_h=(i.ins_h<<i.hash_shift^i.window[r+g-1])&i.hash_mask,i.prev[r&i.w_mask]=i.head[i.ins_h],i.head[i.ins_h]=r,r++,--s;);i.strstart=r,i.lookahead=g-1,q(i)}return i.strstart+=i.lookahead,i.block_start=i.strstart,i.insert=i.lookahead,i.lookahead=0,i.match_length=i.prev_length=g-1,i.match_available=0,e.next_in=a,e.input=o,e.avail_in=u,i.wrap=n,d},t.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./messages":51,"./trees":52}],47:[function(e,t,i){t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},{}],48:[function(e,t,i){t.exports=function(e,t){var i,r,s,n,a,o,u=e.state,l=e.next_in,c=e.input,h=l+(e.avail_in-5),f=e.next_out,p=e.output,d=f-(t-e.avail_out),m=f+(e.avail_out-257),v=u.dmax,g=u.wsize,k=u.whave,b=u.wnext,y=u.window,S=u.hold,F=u.bits,O=u.lencode,I=u.distcode,w=(1<<u.lenbits)-1,A=(1<<u.distbits)-1;e:do{for(F<15&&(S+=c[l++]<<F,F+=8,S+=c[l++]<<F,F+=8),i=O[S&w];;){if(S>>>=r=i>>>24,F-=r,0===(r=i>>>16&255))p[f++]=65535&i;else{if(!(16&r)){if(0==(64&r)){i=O[(65535&i)+(S&(1<<r)-1)];continue}if(32&r){u.mode=12;break e}e.msg="invalid literal/length code",u.mode=30;break e}for(s=65535&i,(r&=15)&&(F<r&&(S+=c[l++]<<F,F+=8),s+=S&(1<<r)-1,S>>>=r,F-=r),F<15&&(S+=c[l++]<<F,F+=8,S+=c[l++]<<F,F+=8),i=I[S&A];;){if(S>>>=r=i>>>24,F-=r,!(16&(r=i>>>16&255))){if(0==(64&r)){i=I[(65535&i)+(S&(1<<r)-1)];continue}e.msg="invalid distance code",u.mode=30;break e}if(n=65535&i,F<(r&=15)&&(S+=c[l++]<<F,(F+=8)<r)&&(S+=c[l++]<<F,F+=8),v<(n+=S&(1<<r)-1)){e.msg="invalid distance too far back",u.mode=30;break e}if(S>>>=r,F-=r,(r=f-d)<n){if(k<(r=n-r)&&u.sane){e.msg="invalid distance too far back",u.mode=30;break e}if(o=y,(a=0)===b){if(a+=g-r,r<s){for(s-=r;p[f++]=y[a++],--r;);a=f-n,o=p}}else if(b<r){if(a+=g+b-r,(r-=b)<s){for(s-=r;p[f++]=y[a++],--r;);if(a=0,b<s){for(s-=r=b;p[f++]=y[a++],--r;);a=f-n,o=p}}}else if(a+=b-r,r<s){for(s-=r;p[f++]=y[a++],--r;);a=f-n,o=p}for(;2<s;)p[f++]=o[a++],p[f++]=o[a++],p[f++]=o[a++],s-=3;s&&(p[f++]=o[a++],1<s)&&(p[f++]=o[a++])}else{for(a=f-n;p[f++]=p[a++],p[f++]=p[a++],p[f++]=p[a++],2<(s-=3););s&&(p[f++]=p[a++],1<s)&&(p[f++]=p[a++])}break}}break}}while(l<h&&f<m);S&=(1<<(F-=(s=F>>3)<<3))-1,e.next_in=l-=s,e.next_out=f,e.avail_in=l<h?h-l+5:5-(l-h),e.avail_out=f<m?m-f+257:257-(f-m),u.hold=S,u.bits=F}},{}],49:[function(e,t,i){var V=e("../utils/common"),j=e("./adler32"),q=e("./crc32"),B=e("./inffast"),M=e("./inftrees"),N=1,T=2,E=0,L=-2,R=1,r=852,s=592;function D(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function n(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new V.Buf16(320),this.work=new V.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=R,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new V.Buf32(r),t.distcode=t.distdyn=new V.Buf32(s),t.sane=1,t.back=-1,E):L}function o(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,a(e)):L}function u(e,t){var i,r;return!e||!e.state||(r=e.state,t<0?(i=0,t=-t):(i=1+(t>>4),t<48&&(t&=15)),t&&(t<8||15<t))?L:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,o(e))}function l(e,t){var i;return e?(i=new n,(e.state=i).window=null,(i=u(e,t))!==E&&(e.state=null),i):L}var W,z,U=!0;function K(e,t,i,r){var s,e=e.state;return null===e.window&&(e.wsize=1<<e.wbits,e.wnext=0,e.whave=0,e.window=new V.Buf8(e.wsize)),r>=e.wsize?(V.arraySet(e.window,t,i-e.wsize,e.wsize,0),e.wnext=0,e.whave=e.wsize):(r<(s=e.wsize-e.wnext)&&(s=r),V.arraySet(e.window,t,i-r,s,e.wnext),(r-=s)?(V.arraySet(e.window,t,i-r,r,0),e.wnext=r,e.whave=e.wsize):(e.wnext+=s,e.wnext===e.wsize&&(e.wnext=0),e.whave<e.wsize&&(e.whave+=s))),0}i.inflateReset=o,i.inflateReset2=u,i.inflateResetKeep=a,i.inflateInit=function(e){return l(e,15)},i.inflateInit2=l,i.inflate=function(e,t){var i,r,s,n,a,o,u,l,c,h,f,p,d,m,v,g,k,b,y,S,F,O,I,w,A=0,C=new V.Buf8(4),P=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return L;12===(i=e.state).mode&&(i.mode=13),a=e.next_out,s=e.output,u=e.avail_out,n=e.next_in,r=e.input,o=e.avail_in,l=i.hold,c=i.bits,h=o,f=u,O=E;e:for(;;)switch(i.mode){case R:if(0===i.wrap)i.mode=13;else{for(;c<16;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===l)C[i.check=0]=255&l,C[1]=l>>>8&255,i.check=q(i.check,C,2,0),c=l=0,i.mode=2;else if(i.flags=0,i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&l)<<8)+(l>>8))%31)e.msg="incorrect header check",i.mode=30;else if(8!=(15&l))e.msg="unknown compression method",i.mode=30;else{if(c-=4,F=8+(15&(l>>>=4)),0===i.wbits)i.wbits=F;else if(F>i.wbits){e.msg="invalid window size",i.mode=30;break}i.dmax=1<<F,e.adler=i.check=1,i.mode=512&l?10:12,c=l=0}}break;case 2:for(;c<16;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(i.flags=l,8!=(255&i.flags)){e.msg="unknown compression 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15:i.mode=16;case 16:if(p=i.length){if(0===(p=u<(p=o<p?o:p)?u:p))break e;V.arraySet(s,r,n,p,a),o-=p,n+=p,u-=p,a+=p,i.length-=p}else i.mode=12;break;case 17:for(;c<14;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(i.nlen=257+(31&l),l>>>=5,c-=5,i.ndist=1+(31&l),l>>>=5,c-=5,i.ncode=4+(15&l),l>>>=4,c-=4,286<i.nlen||30<i.ndist){e.msg="too many length or distance symbols",i.mode=30;break}i.have=0,i.mode=18;case 18:for(;i.have<i.ncode;){for(;c<3;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.lens[P[i.have++]]=7&l,l>>>=3,c-=3}for(;i.have<19;)i.lens[P[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,I={bits:i.lenbits},O=M(0,i.lens,0,19,i.lencode,0,i.work,I),i.lenbits=I.bits,O){e.msg="invalid code lengths set",i.mode=30;break}i.have=0,i.mode=19;case 19:for(;i.have<i.nlen+i.ndist;){for(;g=(A=i.lencode[l&(1<<i.lenbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(k<16)l>>>=v,c-=v,i.lens[i.have++]=k;else{if(16===k){for(w=v+2;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(l>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=30;break}F=i.lens[i.have-1],p=3+(3&l),l>>>=2,c-=2}else if(17===k){for(w=v+3;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}F=0,p=3+(7&(l>>>=v)),l>>>=3,c=c-v-3}else{for(w=v+7;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}F=0,p=11+(127&(l>>>=v)),l>>>=7,c=c-v-7}if(i.have+p>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=30;break}for(;p--;)i.lens[i.have++]=F}}if(30===i.mode)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=30;break}if(i.lenbits=9,I={bits:i.lenbits},O=M(N,i.lens,0,i.nlen,i.lencode,0,i.work,I),i.lenbits=I.bits,O){e.msg="invalid literal/lengths set",i.mode=30;break}if(i.distbits=6,i.distcode=i.distdyn,I={bits:i.distbits},O=M(T,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,I),i.distbits=I.bits,O){e.msg="invalid distances set",i.mode=30;break}if(i.mode=20,6===t)break e;case 20:i.mode=21;case 21:if(6<=o&&258<=u){e.next_out=a,e.avail_out=u,e.next_in=n,e.avail_in=o,i.hold=l,i.bits=c,B(e,f),a=e.next_out,s=e.output,u=e.avail_out,n=e.next_in,r=e.input,o=e.avail_in,l=i.hold,c=i.bits,12===i.mode&&(i.back=-1);break}for(i.back=0;g=(A=i.lencode[l&(1<<i.lenbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(b=v,y=g,S=k;g=(A=i.lencode[S+((l&(1<<b+y)-1)>>b)])>>>16&255,k=65535&A,!(b+(v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}l>>>=b,c-=b,i.back+=b}if(l>>>=v,c-=v,i.back+=v,i.length=k,0===g){i.mode=26;break}if(32&g){i.back=-1,i.mode=12;break}if(64&g){e.msg="invalid literal/length code",i.mode=30;break}i.extra=15&g,i.mode=22;case 22:if(i.extra){for(w=i.extra;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.length+=l&(1<<i.extra)-1,l>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=23;case 23:for(;g=(A=i.distcode[l&(1<<i.distbits)-1])>>>16&255,k=65535&A,!((v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(0==(240&g)){for(b=v,y=g,S=k;g=(A=i.distcode[S+((l&(1<<b+y)-1)>>b)])>>>16&255,k=65535&A,!(b+(v=A>>>24)<=c);){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}l>>>=b,c-=b,i.back+=b}if(l>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=30;break}i.offset=k,i.extra=15&g,i.mode=24;case 24:if(i.extra){for(w=i.extra;c<w;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}i.offset+=l&(1<<i.extra)-1,l>>>=i.extra,c-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=30;break}i.mode=25;case 25:if(0===u)break e;if(i.offset>(p=f-u)){if((p=i.offset-p)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=30;break}d=p>i.wnext?(p-=i.wnext,i.wsize-p):i.wnext-p,p>i.length&&(p=i.length),m=i.window}else m=s,d=a-i.offset,p=i.length;for(u-=p=u<p?u:p,i.length-=p;s[a++]=m[d++],--p;);0===i.length&&(i.mode=21);break;case 26:if(0===u)break e;s[a++]=i.length,u--,i.mode=21;break;case 27:if(i.wrap){for(;c<32;){if(0===o)break e;o--,l|=r[n++]<<c,c+=8}if(f-=u,e.total_out+=f,i.total+=f,f&&(e.adler=i.check=(i.flags?q:j)(i.check,s,f,a-f)),f=u,(i.flags?l:D(l))!==i.check){e.msg="incorrect data check",i.mode=30;break}c=l=0}i.mode=28;case 28:if(i.wrap&&i.flags){for(;c<32;){if(0===o)break e;o--,l+=r[n++]<<c,c+=8}if(l!==(4294967295&i.total)){e.msg="incorrect length check",i.mode=30;break}c=l=0}i.mode=29;case 29:O=1;break e;case 30:O=-3;break e;case 31:return-4;default:return L}return e.next_out=a,e.avail_out=u,e.next_in=n,e.avail_in=o,i.hold=l,i.bits=c,(i.wsize||f!==e.avail_out&&i.mode<30&&(i.mode<27||4!==t))&&K(e,e.output,e.next_out,f-e.avail_out)?(i.mode=31,-4):(h-=e.avail_in,f-=e.avail_out,e.total_in+=h,e.total_out+=f,i.total+=f,i.wrap&&f&&(e.adler=i.check=(i.flags?q:j)(i.check,s,f,e.next_out-f)),e.data_type=i.bits+(i.last?64:0)+(12===i.mode?128:0)+(20===i.mode||15===i.mode?256:0),(0==h&&0===f||4===t)&&O===E?-5:O)},i.inflateEnd=function(e){var t;return e&&e.state?((t=e.state).window&&(t.window=null),e.state=null,E):L},i.inflateGetHeader=function(e,t){return!e||!e.state||0==(2&(e=e.state).wrap)?L:((e.head=t).done=!1,E)},i.inflateSetDictionary=function(e,t){var i,r=t.length;return!e||!e.state||0!==(i=e.state).wrap&&11!==i.mode?L:11===i.mode&&j(1,t,r,0)!==i.check?-3:K(e,t,r,r)?(i.mode=31,-4):(i.havedict=1,E)},i.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./inffast":48,"./inftrees":50}],50:[function(e,t,i){var B=e("../utils/common"),M=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],N=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],T=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],E=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,i,r,s,n,a,o){for(var u,l,c,h,f,p,d,m,v,g=o.bits,k=0,b=0,y=0,S=0,F=0,O=0,I=0,w=0,A=0,C=0,P=null,_=0,x=new B.Buf16(16),V=new B.Buf16(16),j=null,q=0,k=0;k<=15;k++)x[k]=0;for(b=0;b<r;b++)x[t[i+b]]++;for(F=g,S=15;1<=S&&0===x[S];S--);if(S<F&&(F=S),0===S)s[n++]=20971520,s[n++]=20971520,o.bits=1;else{for(y=1;y<S&&0===x[y];y++);for(F<y&&(F=y),k=w=1;k<=15;k++)if((w=(w<<=1)-x[k])<0)return-1;if(0<w&&(0===e||1!==S))return-1;for(V[1]=0,k=1;k<15;k++)V[k+1]=V[k]+x[k];for(b=0;b<r;b++)0!==t[i+b]&&(a[V[t[i+b]]++]=b);if(p=0===e?(P=j=a,19):1===e?(P=M,_-=257,j=N,q-=257,256):(P=T,j=E,-1),k=y,f=n,c=-1,h=(A=1<<(O=F))-1,1===e&&852<A||2===e&&592<A)return 1;for(I=b=C=0;;){for(v=a[b]<p?(m=0,a[b]):a[b]>p?(m=j[q+a[b]],P[_+a[b]]):(m=96,0),u=1<<(d=k-I),y=l=1<<O;s[f+(C>>I)+(l-=u)]=d<<24|m<<16|v|0,0!==l;);for(u=1<<k-1;C&u;)u>>=1;if(C=0!==u?(C&u-1)+u:0,b++,0==--x[k]){if(k===S)break;k=t[i+a[b]]}if(F<k&&(C&h)!==c){for(f+=y,w=1<<(O=k-(I=0===I?F:I));O+I<S&&!((w-=x[O+I])<=0);)O++,w<<=1;if(A+=1<<O,1===e&&852<A||2===e&&592<A)return 1;s[c=C&h]=F<<24|O<<16|f-n|0}}0!==C&&(s[f+C]=k-I<<24|64<<16|0),o.bits=F}return 0}},{"../utils/common":41}],51:[function(e,t,i){t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],52:[function(i,n,e){var a=i("../utils/common"),c=0,h=1;function t(e){for(var t=e.length;0<=--t;)e[t]=0}var o,u,l,f=29,p=256,d=p+1+f,m=30,v=19,w=2*d+1,A=15,r=16,L=7,g=256,k=16,b=17,y=18,S=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],F=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],R=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],O=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],I=new Array(2*(d+2)),C=(t(I),new Array(2*m)),P=(t(C),new Array(512)),_=(t(P),new Array(256)),x=(t(_),new Array(f)),V=(t(x),new Array(m));function j(e,t,i,r,s){this.static_tree=e,this.extra_bits=t,this.extra_base=i,this.elems=r,this.max_length=s,this.has_stree=e&&e.length}function q(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function B(e){return e<256?P[e]:P[256+(e>>>7)]}function s(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255}function M(e,t,i){e.bi_valid>r-i?(e.bi_buf|=t<<e.bi_valid&65535,s(e,e.bi_buf),e.bi_buf=t>>r-e.bi_valid,e.bi_valid+=i-r):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=i)}function N(e,t,i){M(e,i[2*t],i[2*t+1])}function D(e,t){for(var i=0;i|=1&e,e>>>=1,i<<=1,0<--t;);return i>>>1}function W(e,t,i){for(var r,s=new Array(A+1),n=0,a=1;a<=A;a++)s[a]=n=n+i[a-1]<<1;for(r=0;r<=t;r++){var o=e[2*r+1];0!==o&&(e[2*r]=D(s[o]++,o))}}function z(e){for(var t=0;t<d;t++)e.dyn_ltree[2*t]=0;for(t=0;t<m;t++)e.dyn_dtree[2*t]=0;for(t=0;t<v;t++)e.bl_tree[2*t]=0;e.dyn_ltree[2*g]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function U(e){8<e.bi_valid?s(e,e.bi_buf):0<e.bi_valid&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function K(e,t,i,r){var s=2*t,n=2*i;return e[s]<e[n]||e[s]===e[n]&&r[t]<=r[i]}function T(e,t,i){for(var r=e.heap[i],s=i<<1;s<=e.heap_len&&(s<e.heap_len&&K(t,e.heap[s+1],e.heap[s],e.depth)&&s++,!K(t,r,e.heap[s],e.depth));)e.heap[i]=e.heap[s],i=s,s<<=1;e.heap[i]=r}function H(e,t,i){var r,s,n,a,o=0;if(0!==e.last_lit)for(;r=e.pending_buf[e.d_buf+2*o]<<8|e.pending_buf[e.d_buf+2*o+1],s=e.pending_buf[e.l_buf+o],o++,0==r?N(e,s,t):(N(e,(n=_[s])+p+1,t),0!==(a=S[n])&&M(e,s-=x[n],a),N(e,n=B(--r),i),0!==(a=F[n])&&M(e,r-=V[n],a)),o<e.last_lit;);N(e,g,t)}function E(e,t){var i,r,s,n=t.dyn_tree,a=t.stat_desc.static_tree,o=t.stat_desc.has_stree,u=t.stat_desc.elems,l=-1;for(e.heap_len=0,e.heap_max=w,i=0;i<u;i++)0!==n[2*i]?(e.heap[++e.heap_len]=l=i,e.depth[i]=0):n[2*i+1]=0;for(;e.heap_len<2;)n[2*(s=e.heap[++e.heap_len]=l<2?++l:0)]=1,e.depth[s]=0,e.opt_len--,o&&(e.static_len-=a[2*s+1]);for(t.max_code=l,i=e.heap_len>>1;1<=i;i--)T(e,n,i);for(s=u;i=e.heap[1],e.heap[1]=e.heap[e.heap_len--],T(e,n,1),r=e.heap[1],e.heap[--e.heap_max]=i,e.heap[--e.heap_max]=r,n[2*s]=n[2*i]+n[2*r],e.depth[s]=(e.depth[i]>=e.depth[r]?e.depth[i]:e.depth[r])+1,n[2*i+1]=n[2*r+1]=s,e.heap[1]=s++,T(e,n,1),2<=e.heap_len;);e.heap[--e.heap_max]=e.heap[1];for(var c,h,f,p,d,m=e,v=t.dyn_tree,g=t.max_code,k=t.stat_desc.static_tree,b=t.stat_desc.has_stree,y=t.stat_desc.extra_bits,S=t.stat_desc.extra_base,F=t.stat_desc.max_length,O=0,I=0;I<=A;I++)m.bl_count[I]=0;for(v[2*m.heap[m.heap_max]+1]=0,c=m.heap_max+1;c<w;c++)F<(I=v[2*v[2*(h=m.heap[c])+1]+1]+1)&&(I=F,O++),v[2*h+1]=I,g<h||(m.bl_count[I]++,p=0,S<=h&&(p=y[h-S]),d=v[2*h],m.opt_len+=d*(I+p),b&&(m.static_len+=d*(k[2*h+1]+p)));if(0!==O){do{for(I=F-1;0===m.bl_count[I];)I--}while(m.bl_count[I]--,m.bl_count[I+1]+=2,m.bl_count[F]--,0<(O-=2));for(I=F;0!==I;I--)for(h=m.bl_count[I];0!==h;)g<(f=m.heap[--c])||(v[2*f+1]!==I&&(m.opt_len+=(I-v[2*f+1])*v[2*f],v[2*f+1]=I),h--)}W(n,l,e.bl_count)}function G(e,t,i){var r,s,n=-1,a=t[1],o=0,u=7,l=4;for(0===a&&(u=138,l=3),t[2*(i+1)+1]=65535,r=0;r<=i;r++)s=a,a=t[2*(r+1)+1],++o<u&&s===a||(o<l?e.bl_tree[2*s]+=o:0!==s?(s!==n&&e.bl_tree[2*s]++,e.bl_tree[2*k]++):o<=10?e.bl_tree[2*b]++:e.bl_tree[2*y]++,n=s,l=(o=0)===a?(u=138,3):s===a?(u=6,3):(u=7,4))}function X(e,t,i){var 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Array(0),R,0,v,L),Z=!0}e.l_desc=new q(e.dyn_ltree,o),e.d_desc=new q(e.dyn_dtree,u),e.bl_desc=new q(e.bl_tree,l),e.bi_buf=0,e.bi_valid=0,z(e)},e._tr_stored_block=J,e._tr_flush_block=function(e,t,i,r){var s,n,a=0;if(0<e.level?(2===e.strm.data_type&&(e.strm.data_type=function(e){for(var t=4093624447,i=0;i<=31;i++,t>>>=1)if(1&t&&0!==e.dyn_ltree[2*i])return c;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return h;for(i=32;i<p;i++)if(0!==e.dyn_ltree[2*i])return h;return c}(e)),E(e,e.l_desc),E(e,e.d_desc),a=function(e){var t;for(G(e,e.dyn_ltree,e.l_desc.max_code),G(e,e.dyn_dtree,e.d_desc.max_code),E(e,e.bl_desc),t=v-1;3<=t&&0===e.bl_tree[2*O[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t}(e),s=e.opt_len+3+7>>>3,(n=e.static_len+3+7>>>3)<=s&&(s=n)):s=n=i+5,i+4<=s&&-1!==t)J(e,t,i,r);else if(4===e.strategy||n===s)M(e,2+(r?1:0),3),H(e,I,C);else{M(e,4+(r?1:0),3);var 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u,l,c,h,f,p,d,t,m,v,r,e;void 0===o||"undefined"!=typeof navigator&&/MSIE [1-9]\./.test(navigator.userAgent)||(e=o.document,u=function(){return o.URL||o.webkitURL||o},l=e.createElementNS("http://www.w3.org/1999/xhtml","a"),c="download"in l,h=/constructor/i.test(o.HTMLElement)||o.safari,f=/CriOS\/[\d]+/.test(navigator.userAgent),p=o.setImmediate||o.setTimeout,d=function(e){p(function(){throw e},0)},t=4e4,m=function(e){setTimeout(function(){"string"==typeof e?u().revokeObjectURL(e):e.remove()},t)},v=function(e){return/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)?new Blob([String.fromCharCode(65279),e],{type:e.type}):e},e=(r=function(e,i,t){t||(e=v(e));var r,s,n=this,t="application/octet-stream"===e.type,a=function(){for(var e=n,t="writestart progress write writeend".split(" "),i=void 0,r=(t=[].concat(t)).length;r--;){var s=e["on"+t[r]];if("function"==typeof 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window?window:{},NODE_JS=!root.JS_SHA1_NO_NODE_JS&&"object"==typeof process&&process.versions&&process.versions.node,COMMON_JS=(NODE_JS&&(root=global),!root.JS_SHA1_NO_COMMON_JS&&"object"==typeof module&&module.exports),AMD="function"==typeof define&&define.amd,HEX_CHARS="0123456789abcdef".split(""),EXTRA=[-2147483648,8388608,32768,128],SHIFT=[24,16,8,0],OUTPUT_TYPES=["hex","array","digest","arrayBuffer"],blocks=[],createOutputMethod=function(t){return function(e){return new Sha1(!0).update(e)[t]()}},createMethod=function(){var t=createOutputMethod("hex");(t=NODE_JS?nodeWrap(t):t).create=function(){return new Sha1},t.update=function(e){return t.create().update(e)};for(var e=0;e<OUTPUT_TYPES.length;++e){var i=OUTPUT_TYPES[e];t[i]=createOutputMethod(i)}return t},nodeWrap=function(method){var crypto=eval("require('crypto')"),Buffer=eval("require('buffer').Buffer"),nodeMethod=function(e){if("string"==typeof e)return 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e,t=this.h0,i=this.h1,r=this.h2,s=this.h3,n=this.h4,a=this.blocks,o=16;o<80;++o)e=a[o-3]^a[o-8]^a[o-14]^a[o-16],a[o]=e<<1|e>>>31;for(o=0;o<20;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i&r|~i&s)+n+1518500249+a[o]<<0)<<5|n>>>27)+(t&(i=i<<30|i>>>2)|~t&r)+s+1518500249+a[o+1]<<0)<<5|s>>>27)+(n&(t=t<<30|t>>>2)|~n&i)+r+1518500249+a[o+2]<<0)<<5|r>>>27)+(s&(n=n<<30|n>>>2)|~s&t)+i+1518500249+a[o+3]<<0)<<5|i>>>27)+(r&(s=s<<30|s>>>2)|~r&n)+t+1518500249+a[o+4]<<0,r=r<<30|r>>>2;for(;o<40;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i^r^s)+n+1859775393+a[o]<<0)<<5|n>>>27)+(t^(i=i<<30|i>>>2)^r)+s+1859775393+a[o+1]<<0)<<5|s>>>27)+(n^(t=t<<30|t>>>2)^i)+r+1859775393+a[o+2]<<0)<<5|r>>>27)+(s^(n=n<<30|n>>>2)^t)+i+1859775393+a[o+3]<<0)<<5|i>>>27)+(r^(s=s<<30|s>>>2)^n)+t+1859775393+a[o+4]<<0,r=r<<30|r>>>2;for(;o<60;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i&r|i&s|r&s)+n-1894007588+a[o]<<0)<<5|n>>>27)+(t&(i=i<<30|i>>>2)|t&r|i&r)+s-1894007588+a[o+1]<<0)<<5|s>>>27)+(n&(t=t<<30|t>>>2)|n&i|t&i)+r-1894007588+a[o+2]<<0)<<5|r>>>27)+(s&(n=n<<30|n>>>2)|s&t|n&t)+i-1894007588+a[o+3]<<0)<<5|i>>>27)+(r&(s=s<<30|s>>>2)|r&n|s&n)+t-1894007588+a[o+4]<<0,r=r<<30|r>>>2;for(;o<80;o+=5)t=(e=(i=(e=(r=(e=(s=(e=(n=(e=t<<5|t>>>27)+(i^r^s)+n-899497514+a[o]<<0)<<5|n>>>27)+(t^(i=i<<30|i>>>2)^r)+s-899497514+a[o+1]<<0)<<5|s>>>27)+(n^(t=t<<30|t>>>2)^i)+r-899497514+a[o+2]<<0)<<5|r>>>27)+(s^(n=n<<30|n>>>2)^t)+i-899497514+a[o+3]<<0)<<5|i>>>27)+(r^(s=s<<30|s>>>2)^n)+t-899497514+a[o+4]<<0,r=r<<30|r>>>2;this.h0=this.h0+t<<0,this.h1=this.h1+i<<0,this.h2=this.h2+r<<0,this.h3=this.h3+s<<0,this.h4=this.h4+n<<0},Sha1.prototype.hex=function(){this.finalize();var e=this.h0,t=this.h1,i=this.h2,r=this.h3,s=this.h4;return HEX_CHARS[e>>28&15]+HEX_CHARS[e>>24&15]+HEX_CHARS[e>>20&15]+HEX_CHARS[e>>16&15]+HEX_CHARS[e>>12&15]+HEX_CHARS[e>>8&15]+HEX_CHARS[e>>4&15]+HEX_CHARS[15&e]+HEX_CHARS[t>>28&15]+HEX_CHARS[t>>24&15]+HEX_CHARS[t>>20&15]+HEX_CHARS[t>>16&15]+HEX_CHARS[t>>12&15]+HEX_CHARS[t>>8&15]+HEX_CHARS[t>>4&15]+HEX_CHARS[15&t]+HEX_CHARS[i>>28&15]+HEX_CHARS[i>>24&15]+HEX_CHARS[i>>20&15]+HEX_CHARS[i>>16&15]+HEX_CHARS[i>>12&15]+HEX_CHARS[i>>8&15]+HEX_CHARS[i>>4&15]+HEX_CHARS[15&i]+HEX_CHARS[r>>28&15]+HEX_CHARS[r>>24&15]+HEX_CHARS[r>>20&15]+HEX_CHARS[r>>16&15]+HEX_CHARS[r>>12&15]+HEX_CHARS[r>>8&15]+HEX_CHARS[r>>4&15]+HEX_CHARS[15&r]+HEX_CHARS[s>>28&15]+HEX_CHARS[s>>24&15]+HEX_CHARS[s>>20&15]+HEX_CHARS[s>>16&15]+HEX_CHARS[s>>12&15]+HEX_CHARS[s>>8&15]+HEX_CHARS[s>>4&15]+HEX_CHARS[15&s]},Sha1.prototype.toString=Sha1.prototype.hex,Sha1.prototype.digest=function(){this.finalize();var e=this.h0,t=this.h1,i=this.h2,r=this.h3,s=this.h4;return[e>>24&255,e>>16&255,e>>8&255,255&e,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24&255,i>>16&255,i>>8&255,255&i,r>>24&255,r>>16&255,r>>8&255,255&r,s>>24&255,s>>16&255,s>>8&255,255&s]},Sha1.prototype.array=Sha1.prototype.digest,Sha1.prototype.arrayBuffer=function(){this.finalize();var e=new ArrayBuffer(20),t=new DataView(e);return t.setUint32(0,this.h0),t.setUint32(4,this.h1),t.setUint32(8,this.h2),t.setUint32(12,this.h3),t.setUint32(16,this.h4),e};var exports=createMethod();COMMON_JS?module.exports=exports:(root.sha1=exports,AMD&&define(function(){return exports}))}(),Object.extend(Squeak,{vmPath:"/",platformSubtype:"Browser",osVersion:navigator.userAgent,windowSystem:"HTML"}),window.SqueakJS={};var canUseMouseOffset=navigator.userAgent.match("AppleWebKit/");function updateMousePos(e,t,i){var r=canUseMouseOffset?e.offsetX:e.layerX,e=canUseMouseOffset?e.offsetY:e.layerY,r=(i.cursorCanvas&&(i.cursorCanvas.style.left=r+t.offsetLeft+i.cursorOffsetX+"px",i.cursorCanvas.style.top=e+t.offsetTop+i.cursorOffsetY+"px"),r*t.width/t.offsetWidth|0),e=e*t.height/t.offsetHeight|0;i.mouseX=Math.max(0,Math.min(i.width,r)),i.mouseY=Math.max(0,Math.min(i.height,e))}function recordMouseEvent(e,t,i,r,s){if(updateMousePos(t,i,r),r.vm){var n=r.buttons&Squeak.Mouse_All;switch(e){case"mousedown":switch(t.button||0){case 0:n=Squeak.Mouse_Red;break;case 1:n=Squeak.Mouse_Yellow;break;case 2:n=Squeak.Mouse_Blue}n===Squeak.Mouse_Red&&(t.altKey||t.metaKey)&&(n=Squeak.Mouse_Yellow),s.swapButtons&&(n==Squeak.Mouse_Yellow?n=Squeak.Mouse_Blue:n==Squeak.Mouse_Blue&&(n=Squeak.Mouse_Yellow));break;case"mousemove":break;case"mouseup":n=0}r.buttons=n|recordModifiers(t,r),r.eventQueue&&(r.eventQueue.push([Squeak.EventTypeMouse,t.timeStamp,r.mouseX,r.mouseY,r.buttons&Squeak.Mouse_All,r.buttons>>3]),r.signalInputEvent)&&r.signalInputEvent(),r.idle=0,"mouseup"==e?r.runFor&&r.runFor(100):r.runNow&&r.runNow()}}for(var MacRomanToUnicode=[196,197,199,201,209,214,220,225,224,226,228,227,229,231,233,232,234,235,237,236,238,239,241,243,242,244,246,245,250,249,251,252,8224,176,162,163,167,8226,182,223,174,169,8482,180,168,8800,198,216,8734,177,8804,8805,165,181,8706,8721,8719,960,8747,170,186,937,230,248,191,161,172,8730,402,8776,8710,171,187,8230,160,192,195,213,338,339,8211,8212,8220,8221,8216,8217,247,9674,255,376,8260,8364,8249,8250,64257,64258,8225,183,8218,8222,8240,194,202,193,203,200,205,206,207,204,211,212,63743,210,218,219,217,305,710,732,175,728,729,730,184,733,731,711],UnicodeToMacRoman={},i=0;i<MacRomanToUnicode.length;i++)UnicodeToMacRoman[MacRomanToUnicode[i]]=i+128;function recordKeyboardEvent(e,t,i){var r,s;i.vm&&(r=UnicodeToMacRoman[e]||e,s=i.buttons>>3<<8|r,i.eventQueue?(i.eventQueue.push([Squeak.EventTypeKeyboard,t,r,Squeak.EventKeyChar,i.buttons>>3,e]),i.signalInputEvent&&i.signalInputEvent(),i.keys[0]=s):s===i.vm.interruptKeycode?i.vm.interruptPending=!0:i.keys.push(s),i.idle=0,i.runNow)&&i.runNow()}function recordDragDropEvent(e,t,i,r){r.vm&&r.eventQueue&&(updateMousePos(t,i,r),r.eventQueue.push([Squeak.EventTypeDragDropFiles,t.timeStamp,e,r.mouseX,r.mouseY,r.buttons>>3,r.droppedFiles.length]),r.signalInputEvent)&&r.signalInputEvent()}function fakeCmdOrCtrlKey(e,t,i){i.buttons&=~Squeak.Keyboard_All,i.buttons|=Squeak.Keyboard_Cmd|Squeak.Keyboard_Ctrl,i.keys=[],recordKeyboardEvent(e,t,i)}function makeSqueakEvent(e,t,i){t[0]=e[0],t[1]=e[1]-i&Squeak.MillisecondClockMask;for(var r=2;r<e.length;r++)t[r]=e[r]}function 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