fix: don't load source files outside of the relevant paths

.vscode/settings.json

@@ -2,7 +2,7 @@
   "json.schemaDownload.enable": true,
   "eslint.enable": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true
+    "source.fixAll.eslint": "explicit"
   },
   "editor.detectIndentation": false,
   "editor.formatOnSave": true,

client/src/extension.ts

@@ -36,7 +36,10 @@ let tomlWatcher: vscode.FileSystemWatcher
 
 const extensionObject = vscode.extensions.getExtension('flix.flix')
 
-export const FLIX_GLOB_PATTERN = '**/*.flix'
+export const FLIX_GLOB_PATTERN = new vscode.RelativePattern(
+  vscode.workspace.workspaceFolders?.[0],
+  '{*.flix,src/**/*.flix,test/**/*.flix}',
+)
 
 export const FPKG_GLOB_PATTERN = new vscode.RelativePattern(vscode.workspace.workspaceFolders?.[0], 'lib/**/*.fpkg')
 export const JAR_GLOB_PATTERN = new vscode.RelativePattern(vscode.workspace.workspaceFolders?.[0], 'lib/**/*.jar')

server/src/engine/flix.ts

@@ -62,6 +62,7 @@ export interface StartEngineInput {
 let flixInstance: ChildProcess | undefined = undefined
 let startEngineInput: StartEngineInput
 let flixRunning: boolean = false
+let currentWorkspaceFiles: Set<string> = new Set()
 
 export function isRunning() {
   return flixRunning
@@ -75,10 +76,6 @@ export function getExtensionVersion() {
   return _.get(startEngineInput, 'extensionVersion', '(unknown version)')
 }
 
-export function getProjectRootUri() {
-  return _.first(startEngineInput.workspaceFolders)
-}
-
 export function updateUserConfiguration(userConfiguration: UserConfiguration) {
   _.set(userConfiguration, 'userConfiguration', startEngineInput)
   queue.resetEnqueueDebounced()
@@ -106,6 +103,8 @@ export async function start(input: StartEngineInput) {
 
   const { flixFilename, extensionPath, workspaceFiles, workspacePkgs, workspaceJars } = input
 
+  currentWorkspaceFiles = new Set(workspaceFiles)
+
   // Check for valid Java version
   const { majorVersion, versionString } = await javaVersion(extensionPath)
   if (versionString === undefined) {
@@ -202,15 +201,48 @@ export async function stop() {
   }
 }
 
+/**
+ * Add the given `uri` to the workspace.
+ */
 export function addUri(uri: string) {
+  currentWorkspaceFiles.add(uri)
+
   const job: jobs.Job = {
     request: jobs.Request.apiAddUri,
     uri,
   }
   queue.enqueue(job)
 }
 
+/**
+ * Handle a change in the file with the given `uri`.
+ *
+ * If this URI has not already been added to the workspace via {@linkcode addUri},
+ * it will be ignored, making it safe to call this function on any file.
+ */
+export function updateUri(uri: string, src: string) {
+  if (!currentWorkspaceFiles.has(uri)) {
+    return
+  }
+
+  // Including the source code in the job is necessary because the file might not yet have been saved
+  const job: jobs.Job = {
+    request: jobs.Request.apiAddUri,
+    uri,
+    src,
+  }
+
+  // Skip the delay to make auto-complete work
+  const skipDelay = true
+  queue.enqueue(job, skipDelay)
+}
+
+/**
+ * Remove the given `uri` from the workspace.
+ */
 export function remUri(uri: string) {
+  currentWorkspaceFiles.delete(uri)
+
   const job: jobs.Job = {
     request: jobs.Request.apiRemUri,
     uri,

server/src/handlers/handlers.ts

@@ -18,23 +18,21 @@ import {
   InitializeParams,
   InitializeResult,
   InlayHintParams,
-  ServerRequestHandler,
+  TextDocumentChangeEvent,
   TextDocumentSyncKind,
 } from 'vscode-languageserver'
 import { TextDocument } from 'vscode-languageserver-textdocument'
 
 import * as jobs from '../engine/jobs'
-import * as queue from '../engine/queue'
 import * as engine from '../engine'
 import * as socket from '../engine/socket'
 
 import { clearDiagnostics, sendDiagnostics, sendNotification } from '../server'
 import { makePositionalHandler, makeEnqueuePromise, enqueueUnlessHasErrors, makeDefaultResponseHandler } from './util'
-import { getProjectRootUri } from '../engine'
 import { USER_MESSAGE } from '../util/userMessages'
 import { StatusCode } from '../util/statusCodes'
 
-const _ = require('lodash/fp')
+import _ = require('lodash/fp')
 
 interface UriInput {
   uri: string
@@ -153,28 +151,20 @@ export function handleExit() {
   engine.stop()
 }
 
-export function handleSave(params: any) {
+export function handleSave(params: TextDocumentChangeEvent<TextDocument>) {
   if (engine.compileOnSaveEnabled()) {
-    addUriToCompiler(params.document, true)
+    const document = params.document
+    engine.updateUri(document.uri, document.getText())
   }
 }
 
-export function handleChangeContent(params: any) {
+export function handleChangeContent(params: TextDocumentChangeEvent<TextDocument>) {
   if (engine.compileOnChangeEnabled()) {
-    // We send the document immediately to ensure better auto-complete.
-    addUriToCompiler(params.document, true)
+    const document = params.document
+    engine.updateUri(document.uri, document.getText())
   }
 }
 
-function addUriToCompiler(document: TextDocument, skipDelay?: boolean) {
-  const job: jobs.Job = {
-    request: jobs.Request.apiAddUri,
-    uri: document.uri, // Note: this typically has the file:// scheme (important for files as keys)
-    src: document.getText(),
-  }
-  queue.enqueue(job, skipDelay)
-}
-
 /**
  * @function
  */
@@ -381,6 +371,9 @@ function makeVersionResponseHandler(promiseResolver: () => void) {
 export function lspCheckResponseHandler({ status, result }: socket.FlixResponse) {
   clearDiagnostics()
   sendNotification(jobs.Request.internalDiagnostics, { status, result })
+
+  // TODO: Find out why TS doen't like this
+  // @ts-ignore
   _.each(sendDiagnostics, result)
 }
 

server/src/server.ts

@@ -2,6 +2,11 @@ import { createConnection, TextDocuments, ProposedFeatures, PublishDiagnosticsPa
 
 import { TextDocument } from 'vscode-languageserver-textdocument'
 
+// Workaround for circular dependency between flix.ts and queue.ts
+// TODO: Fix this
+import * as queue from './engine/queue'
+queue
+
 import * as handlers from './handlers'
 import * as jobs from './engine/jobs'