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Interpreter.h
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Interpreter.h
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#pragma once
#include <string>
#include <iostream>
#include <vector>
#include <fstream>
#include <array>
#include <cmath>
#include <sstream>
#include <stdio.h>
#include <algorithm>
#include <random>
using namespace std;
enum class AtomType {
VALUE, // When VALUE, sval is its string.
SYMBOL, // When SYMBOL, sval is its symbol name.
LIST, // When LIST, there is no sval.
FUNCTION, // When FUNCTION, it's v.ptr points to a function. vclass is it's class.
VARIABLE // When VARIABLE, it's v.ptr points to a variable
};
enum class AtomValueType {
BOOL,LONG,DOUBLE,STRING,OBJECT,POINTER
//When AtomType is LIST, this value is useless.
// If is POINTER, the vclass points to its class name.
};
enum class AtomFlag {
RETURN, CASE
};
union actionData {
bool bval;
long lval;
double dval;
void* ptr;
};
struct Variable;
struct Atom {
AtomType type= AtomType::VALUE;
AtomValueType vType = AtomValueType::BOOL;
vector<AtomFlag> flag; // used for return and switch-case.
string vclass="";
string sval = "";
vector<Variable> list;
vector<Variable> childList;
Variable* target=nullptr; // When AtomType == FUNCTION, this is used to save [this].
actionData v = {false};
};
struct Expression { // args[0].sval is function name.
vector<Expression> args;
Atom atom; //result
};
typedef unsigned long long LPOS;
enum class ExpressionState {
IDLE,
EXPRESSION,
COMMENT,
MULTILINE_COMMENT
};
struct Variable {
string name;
Atom atom;
};
struct actionFun {
string name="";
vector<Variable> input;
vector<Expression> body;
};
struct actionClass {
string name = "";
vector<Variable> memberVariables; //will be copied to atom.childList
vector<Variable> staticVariables;
vector<actionFun> memberFunctions;
vector<actionFun> staticFunctions;
};
class Interpreter {
private:
ExpressionState state = ExpressionState::IDLE;
const static array<string, 2> keyWords;
const static string SWITCH_VAR_NAME;
const static string ACTIONLISP_CLASS_FSTREAM;
LPOS nowLine = 1;
LPOS nowPos = 0;
string readTemp;
vector<Variable> globalVariables;
vector<vector<Variable> > variables = { globalVariables };
vector<actionFun> functions;
vector<actionClass> classes;
Variable NULLVAR; // Empty Var
Atom NULLATOM; // Empty Atom
actionClass NULLCLASS; // Empty Class
bool REPLMode = false; // write a line and then execute a line.
inline Atom doAtomFunction(const Atom& fun, vector<Expression>& in) {
if (fun.vclass != "")
return doFunction(*static_cast<actionFun*>(fun.v.ptr), in, fun.target);
else
return doFunction(*static_cast<actionFun*>(fun.v.ptr), in);
}
inline bool varIsNull(const Variable& v) {
return v.name == "";
}
inline actionClass& getClassByName(const string& s) {
for (auto& c : classes) {
if (c.name == s) {
return c;
}
}
return NULLCLASS;
}
inline bool findFlag(const vector<AtomFlag>& v, const AtomFlag& fl) {
return find(v.cbegin(), v.cend(), fl) != v.cend();
}
inline void removeFlag(vector<AtomFlag>& v, const AtomFlag& fl) {
const auto& getFlag = find(v.cbegin(), v.cend(), fl);
if (getFlag != v.cend())
v.erase(getFlag);
}
Atom doFunction(const actionFun& constFun, vector<Expression>& in, Variable* actionThis=nullptr) { //in.args[0] is function name, which is useless
if (in.size() + 1 < constFun.input.size()) {
throwError("There are not enough arguments for function " + constFun.name);
return NULLATOM;
}
actionFun fun = constFun;
Atom a;
if (fun.input.size() == 0) {
addVariableLevel();
if (actionThis != nullptr) {
Variable t;
t.name = "this";
t.atom.type = AtomType::VARIABLE;
t.atom.v.ptr = static_cast<void*>(actionThis);
variables.back().push_back(t);
}
for (size_t i = 0; i < constFun.body.size(); ++i) {
const Atom& res = doExp(fun.body[i]);
if (findFlag(res.flag, AtomFlag::RETURN)) {
a = res;
break;
}
}
popVariableLevel();
return a;
}
else {
addVariableLevel();
if (actionThis != nullptr) {
Variable t;
t.name = "this";
t.atom.type = AtomType::VARIABLE;
t.atom.v.ptr = static_cast<void*>(actionThis);
variables.back().push_back(t);
}
for (size_t i = 0; i < constFun.input.size(); ++i) {
Variable t;
t.name = constFun.input[i].name;
t.atom = atom2V(doExp(in[i+1]));
variables.back().push_back(t);
}
for (size_t i = 0; i < constFun.body.size(); ++i) {
const Atom& res = doExp(fun.body[i]);
if (findFlag(res.flag, AtomFlag::RETURN)) {
a = res;
break;
}
}
popVariableLevel();
return a;
}
}
static inline ios::openmode fileTypeRead(const string& s="r") {
if (s == "r")
return ios::in;
else if (s == "rw")
return ios::in | ios::out;
else if (s == "w")
return ios::out;
else if (s == "a")
return ios::app;
else if (s == "rb")
return ios::in | ios::binary;
else if (s == "rwb")
return ios::in | ios::out | ios::binary;
else if (s == "wb")
return ios::out | ios::binary;
else if (s == "ab")
return ios::app | ios::binary;
else
return ios::in;
}
inline void addVariableLevel() {
variables.push_back(vector<Variable>());
}
inline void delVar(Variable& var) {
if (var.atom.type == AtomType::VALUE && var.atom.vType == AtomValueType::POINTER) {
if (var.atom.vclass == ACTIONLISP_CLASS_FSTREAM) {
delete static_cast<fstream*>(var.atom.v.ptr);
}
////.......
}
}
inline void popVariableLevel() {
for (Variable& var : variables.back()) {
delVar(var);
}
variables.pop_back();
}
inline void pushBackLong(Atom& a, const long b) {
Variable t;
t.atom.vType = AtomValueType::LONG;
t.atom.type = AtomType::VALUE;
t.atom.v.lval = b;
a.list.push_back(t);
}
inline bool isKeyWord(const Atom & a) {
if (a.type == AtomType::SYMBOL) {
for (const string& key : keyWords) {
if (key == a.sval)
return true;
}
}
return false;
}
inline void throwError(const string& errorMessage) {
cout << "Line: " << nowLine << " " << errorMessage << endl;
if (!REPLMode) {
throw 0;
//exit(1);
}
}
const int findVarOnlyInBlock(const string& name) {
const auto& topBlock = variables.back();
int findI = -1;
for (size_t i = 0; i < topBlock.size(); ++i) {
if (topBlock[i].name == name) {
findI = (int)i;
break;
}
}
return findI;
}
Variable& findVarInAll(const string& name, const int varBlock=0) {
long findI = -1;
const long block = (long)variables.size() - varBlock - 1;
for (size_t i = 0; i < variables[block].size(); ++i) {
if (variables[block][i].name == name) {
findI = (long)i;
break;
}
}
if (findI == -1) {
if (block > 0) {
return findVarInAll(name, varBlock + 1);
}
else {
//throwError("There is no variable named " + name);
return NULLVAR;
}
}
else {
return variables[block][findI];
}
}
const Variable& constfindVarInAll(const string& name, const int varBlock = 0) {
long findI = -1;
const long block = (long)variables.size() - varBlock - 1;
for (size_t i = 0; i < variables[block].size(); ++i) {
if (variables[block][i].name == name) {
findI = (long)i;
break;
}
}
if (findI == -1) {
if (block > 0) {
return constfindVarInAll(name, varBlock + 1);
}
else {
throwError("There is no variable named " + name);
return NULLVAR;
}
}
else {
return variables[block][findI];
}
}
const Atom& atom2V(const Atom& argAtom) {
if (argAtom.type == AtomType::VALUE || argAtom.type == AtomType::LIST) {
return argAtom;
}
else if (argAtom.type == AtomType::SYMBOL) {
if (!isKeyWord(argAtom)) {
return constfindVarInAll(argAtom.sval).atom;
}
else {
return argAtom;
}
}
else if (argAtom.type == AtomType::VARIABLE) {
return atom2V(static_cast<Variable*>(argAtom.v.ptr)->atom);
}
else if (argAtom.type == AtomType::FUNCTION) {
vector<Expression> emptyExpression;
return atom2V(doFunction(*static_cast<actionFun*>(argAtom.v.ptr), emptyExpression));
}
/*
else if (argAtom.type == AtomType::LIST) {
Atom p;
p.type = AtomType::LIST;
for (const Atom& a : argAtom.list) {
p.list.push_back(atom2V(a));
}
return p;
}
*/
else {
return argAtom;
}
}
inline Variable VariableAtom(const Atom& a) {
Variable v;
v.name = ".";
v.atom = a;
return v;
}
Variable& atom2Variable(const Atom& argAtom) {
if (argAtom.type == AtomType::SYMBOL) {
if (!isKeyWord(argAtom)) {
return findVarInAll(argAtom.sval);
}
}
else if (argAtom.type == AtomType::VARIABLE) {
return *static_cast<Variable*>(argAtom.v.ptr);
}
else {
//throwError("Not a variable");
}
return NULLVAR;
}
string toString(const Atom& a) { //if Atom is VALUE, it doesn't need varBlock
if (a.type == AtomType::LIST) {
string res = "{ ";
for (const auto& ch : a.list) {
res += toString(ch.atom) + " ";
}
return res + "}";
}
Atom t = atom2V(a);
if (t.type == AtomType::LIST) {
string res = "{ ";
for (const auto& ch : t.list) {
res += toString(ch.atom) + " ";
}
return res + "}";
}
switch (t.vType) {
case AtomValueType::BOOL: {
return (t.v.bval ? "true" : "false");
}
case AtomValueType::LONG: {
return to_string(t.v.lval);
}
case AtomValueType::DOUBLE: {
return to_string(t.v.dval);
}
case AtomValueType::STRING: {
return t.sval;
}
case AtomValueType::POINTER: {
return "pointer";
}
break;
}
return "";
}
Atom& doExp(Expression& e) {
if (e.args.size() == 0) {
return e.atom;
}
Atom expGet = doExp(e.args[0]);
switch (expGet.type) {
case AtomType::SYMBOL:break;
case AtomType::VARIABLE:
case AtomType::LIST:
case AtomType::VALUE:return expGet;
case AtomType::FUNCTION:{
e.atom = doAtomFunction(expGet, e.args);
return e.atom;
}
}
const string function = expGet.sval;
if (function == "") {
return e.atom;
}
else {
if (e.args.size() == 1 && isKeyWord(e.args[0].atom))
return e.args[0].atom;
//cout << "Function: " << function << endl;
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
e.atom.v.bval = false;
if (function == "error") {
if (e.args.size() == 2) {
throwError(atom2V(doExp(e.args[1])).sval);
}
else {
throwError("");
}
return e.atom;
}
else if (function == "import") {
if (e.args.size() >= 2) {
auto bnowLine = nowLine;
auto bnowPos = nowPos;
for (size_t i = 1; i < e.args.size(); ++i) {
readFile(atom2V(doExp(e.args[i])).sval);
}
nowLine = bnowLine;
nowPos = bnowPos;
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
// class
else if (function == "class") {
if (e.args.size() >= 2) {
const string className = doExp(e.args[1]).sval; //SYMBOL
for (const auto& haveClass : classes) {
if (haveClass.name == className) {
throwError("Class " + className + " has been defined.");
return e.atom;
}
}
classes.push_back(actionClass());
classes.back().name = className;
if (e.args.size() >= 3) {
for (size_t i = 2; i < e.args.size(); ++i) {
doExp(e.args[i]);
}
}
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "defVar") {
if (e.args.size() >= 2) {
auto& targetClass = classes.back();
if (e.args.size() >= 3) {
const string v = doExp(e.args[1]).sval;
for (const auto& mem : targetClass.memberVariables) {
if (mem.name == v) {
throwError("Class variable " + v + " has been defined.");
return e.atom;
}
}
targetClass.memberVariables.push_back(Variable());
targetClass.memberVariables.back().name = v;
if (e.args.size() == 3) {
targetClass.memberVariables.back().atom = atom2V(doExp(e.args[2]));
}
}
else {
throwError("Not correct number of arguments for " + function);
}
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "defCVar") {
if (e.args.size() >= 2) {
auto& targetClass = classes.back();
if (e.args.size() >= 3) {
const string v = doExp(e.args[1]).sval;
for (const auto& mem : targetClass.staticVariables) {
if (mem.name == v) {
throwError("Class static const " + v + " has been defined.");
return e.atom;
}
}
targetClass.staticVariables.push_back(Variable());
targetClass.staticVariables.back().name = v;
if (e.args.size() == 3) {
targetClass.staticVariables.back().atom = atom2V(doExp(e.args[2]));
}
}
else {
throwError("Not correct number of arguments for " + function);
}
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "defMethod") {
if (e.args.size() >= 3) {
auto& targetClass = classes.back();
const Atom& functionName = doExp(e.args[1]);
if (functionName.type == AtomType::SYMBOL) {
for (const auto& fun : targetClass.memberFunctions) {
if (functionName.sval == fun.name) {
throwError("The method " + fun.name + " has been defined.");
return e.atom;
}
}
actionFun t;
t.name = functionName.sval;
if (e.args.size() >= 4) {
const Atom& arguments = doExp(e.args[2]);
if (arguments.type == AtomType::LIST) {
for (size_t i = 0; i < arguments.list.size(); ++i) {
Variable v;
v.name = arguments.list[i].atom.sval;
t.input.push_back(v);
}
}
else if (arguments.type == AtomType::SYMBOL) {
Variable v;
v.name = arguments.sval;
t.input.push_back(v);
}
else {
throwError("The arguments of def should be symbol.");
return e.atom;
}
for (size_t i = 3; i < e.args.size(); ++i) {
t.body.push_back(e.args[i]);
}
targetClass.memberFunctions.push_back(t);
return e.atom;
}
else {
for (size_t i = 2; i < e.args.size(); ++i) {
t.body.push_back(e.args[i]);
}
targetClass.memberFunctions.push_back(t);
return e.atom;
}
}
else {
throwError("The first argument of def should be a symbol.");
}
}
else {
throwError("Not correct numbers arguments for " + function);
}
}
else if (function == "defCMethod") {
if (e.args.size() >= 3) {
auto& targetClass = classes.back();
const Atom& functionName = doExp(e.args[1]);
if (functionName.type == AtomType::SYMBOL) {
for (const auto& fun : targetClass.staticFunctions) {
if (functionName.sval == fun.name) {
throwError("The static method " + fun.name + " has been defined.");
return e.atom;
}
}
actionFun t;
t.name = functionName.sval;
if (e.args.size() >= 4) {
const Atom& arguments = doExp(e.args[2]);
if (arguments.type == AtomType::LIST) {
for (size_t i = 0; i < arguments.list.size(); ++i) {
Variable v;
v.name = arguments.list[i].atom.sval;
t.input.push_back(v);
}
}
else if (arguments.type == AtomType::SYMBOL) {
Variable v;
v.name = arguments.sval;
t.input.push_back(v);
}
else {
throwError("The arguments of def should be symbol.");
return e.atom;
}
for (size_t i = 3; i < e.args.size(); ++i) {
t.body.push_back(e.args[i]);
}
targetClass.staticFunctions.push_back(t);
return e.atom;
}
else {
for (size_t i = 2; i < e.args.size(); ++i) {
t.body.push_back(e.args[i]);
}
targetClass.staticFunctions.push_back(t);
return e.atom;
}
}
else {
throwError("The first argument of def should be a symbol.");
}
}
else {
throwError("Not correct numbers arguments for " + function);
}
}
// logic
else if (function == "and") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
e.atom.v.bval = true;
if (e.args.size() >= 2) {
for (size_t i = 1; i < e.args.size(); ++i) {
if (!isTrue(atom2V(doExp(e.args[i])))) {
e.atom.v.bval = false;
break;
}
}
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "or") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
e.atom.v.bval = false;
if (e.args.size() >= 2) {
for (size_t i = 1; i < e.args.size(); ++i) {
if (isTrue(atom2V(doExp(e.args[i])))) {
e.atom.v.bval = true;
break;
}
}
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "not") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
if (e.args.size() == 2) {
e.atom.v.bval = !isTrue(atom2V(doExp(e.args[1])));
}
else {
throwError("No correct number of arguments for " + function);
}
return e.atom;
}
else if (function == "makeChild") {
if (e.args.size() >= 3) {
const string varName = doExp(e.args[1]).sval; //e.args[1] is symbol
Variable* var = &findVarInAll(varName);
if (varIsNull(*var)) {
throwError("Variable " + varName + " doesn't exist.");
return e.atom;
}
for (size_t i = 2; i < e.args.size(); ++i) {
const string childName = doExp(e.args[i]).sval;
bool findChild = false;
for (Variable& ch : var->atom.childList) {
if (ch.name == childName) {
var = &ch;
findChild = true;
break;
}
}
if (!findChild) {
Variable t;
t.name = childName;
var->atom.childList.push_back(t);
e.atom.type = AtomType::VARIABLE;
e.atom.v.ptr = static_cast<void*>(&var->atom.childList.back());
return e.atom;
}
}
e.atom.type = AtomType::VARIABLE;
e.atom.v.ptr = static_cast<void*>(var);
return e.atom;
}
else {
throwError("No enough arguments for " + function);
return e.atom;
}
}
else if (function == "$") {
if (e.args.size() >= 2) {
e.atom.sval = "";
for (size_t i=1; i < e.args.size(); ++i) {
e.atom.sval.append(toString(atom2V(doExp(e.args[i]))));
}
e.atom.type = AtomType::SYMBOL;
}
else {
throwError("No enough arguments for " + function);
}
return e.atom;
}
else if (function == "@") {
if (e.args.size() >= 3) {
Atom varName = doExp(e.args[1]);
Variable* var = nullptr;
switch (varName.type) {
case AtomType::SYMBOL:{
var = &findVarInAll(varName.sval);
if (varIsNull(*var)) {
//Class
bool findClass = false;
for (actionClass& aClass : classes) {
if (aClass.name == varName.sval) {
findClass = true;
for (size_t i = 2; i < e.args.size(); ++i) {
const string childName = doExp(e.args[i]).sval;
bool findChild = false;
for (Variable& ch : aClass.staticVariables) {
if (ch.name == childName) {
var = &ch;
findChild = true;
break;
}
}
for (actionFun& fun : aClass.staticFunctions) {
if (fun.name == childName) {
e.atom.type = AtomType::FUNCTION;
e.atom.v.ptr = static_cast<void*>(&fun);
e.atom.vclass = var->atom.vclass;
e.atom.target = nullptr;
return e.atom;
}
}
if (!findChild) {
throwError(var->name + " doesn't have child " + childName);
return e.atom;
}
}
e.atom.type = AtomType::VARIABLE;
e.atom.v.ptr = static_cast<void*>(var);
return e.atom;
}
}
if (!findClass) {
throwError("Variable " + varName.sval + " doesn't exist.");
return e.atom;
}
}
break;
}
case AtomType::VARIABLE:
{
var = static_cast<Variable*>(varName.v.ptr);
break;
}
case AtomType::FUNCTION:
{
vector<Expression> in;
var = new Variable();
var->atom = doAtomFunction(varName,in);
break;
}
case AtomType::LIST:
case AtomType::VALUE:
{
throwError("Type Error for @");
return e.atom;
}
}
while (var->atom.type == AtomType::VARIABLE) {
var = static_cast<Variable*>(var->atom.v.ptr);
}
for (size_t i = 2; i < e.args.size(); ++i) {
const string childName = doExp(e.args[i]).sval;
bool findChild = false;
for (Variable& ch : var->atom.childList) {
if (ch.name == childName){
var = &ch;
findChild = true;
break;
}
}
if (var->atom.vType==AtomValueType::OBJECT && var->atom.vclass != "") {
actionClass& c = getClassByName(var->atom.vclass);
for (actionFun& fun : c.memberFunctions) {
if (fun.name == childName) {
e.atom.type = AtomType::FUNCTION;
e.atom.v.ptr = static_cast<void*>(&fun);
e.atom.vclass = var->atom.vclass;
e.atom.target = var;
return e.atom;
}
}
}
if (!findChild) {
throwError(var->name + " doesn't have child " + childName);
return e.atom;
}
}
e.atom.type = AtomType::VARIABLE;
e.atom.v.ptr = static_cast<void*>(var);
return e.atom;
}
else {
throwError("No enough arguments for " + function);
return e.atom;
}
}
else if (function == "let") {
if (e.args.size() == 3 || e.args.size() == 2) {
const Atom& symbolName = doExp(e.args[1]);
if (symbolName.type == AtomType::SYMBOL) {
const string symbolString = symbolName.sval;
const int FindI = findVarOnlyInBlock(symbolString);
if (FindI != -1) {
throwError("Variable " + symbolName.sval + " already existed.");
return e.atom;
}
else {
Variable t;
if (e.args.size() == 3) {
Atom v = doExp(e.args[2]);
if (v.type == AtomType::SYMBOL) {
for (const auto& aClass : classes) {
if (aClass.name == v.sval) {
t.atom.type = AtomType::VALUE;
t.atom.vType = AtomValueType::OBJECT;
t.atom.vclass = v.sval;
t.name = symbolName.sval;
for (Variable mem : aClass.memberVariables) {
t.atom.childList.push_back(mem);
}
variables.back().push_back(t);
//cout << "var " << t.name << "=" << v.sval << endl;
return t.atom;
}
}
}
t.atom = atom2V(v);
}
else {
t.atom.type = AtomType::VALUE;
}
t.name = symbolName.sval;
variables.back().push_back(t);
//cout << "var " << t.name << "=" << toString(t.atom) << endl;
return t.atom;
}
}
else {
throwError(symbolName.sval + "is not symbol");
}
}
else {
for (auto& arg : e.args) {
cout << "Wrong argument: " << doExp(arg).sval << endl;
}
throwError("wrong arguments number: " + to_string(e.args.size()));
}
}
else if (function == "global") {
if (e.args.size() >= 3) {
const Atom& symbolName = doExp(e.args[1]);
if (symbolName.type == AtomType::SYMBOL) {
const int FindI = findVarOnlyInBlock(symbolName.sval);
if (FindI != -1) {
throwError("Variable " + symbolName.sval + " already existed.");
}
else {
Variable t;
if (e.args.size() == 3) {
Atom v = doExp(e.args[2]);
if (v.type == AtomType::SYMBOL) {
for (const auto& aClass : classes) {
if (aClass.name == v.sval) {
t.atom.type = AtomType::VALUE;
t.atom.vType = AtomValueType::OBJECT;
t.atom.vclass = v.sval;
for (Variable mem : aClass.memberVariables) {
t.atom.childList.push_back(mem);
}
variables.front().push_back(t);
//cout << "global " << t.name << "=" << v.sval << endl;
return t.atom;
}
}
}
t.atom = atom2V(v);
}
else {
t.atom.type = AtomType::VALUE;
}
t.name = symbolName.sval;
variables.front().push_back(t);
//cout << "global " << t.name << "=" << toString(t.atom) << endl;
return t.atom;
}
}
else {
throwError(symbolName.sval + "is not symbol");
}
}
else {
for (auto& arg : e.args) {
cout << "Wrong argument: " << doExp(arg).sval << endl;
}
throwError("wrong arguments number: " + to_string(e.args.size()));
}
}
else if (function == "set") {
if (e.args.size() >= 3) {
Atom symbolName = doExp(e.args[1]);
if (symbolName.type == AtomType::SYMBOL) {
Variable& var = findVarInAll(doExp(e.args[1]).sval);
if (!varIsNull(var)) {
var.atom = atom2V(doExp(e.args[2]));
//cout << "set " << doExp(e.args[1]).sval << "=" << toString(var.atom, e.block) << endl;
}
return var.atom;
}
else if (symbolName.type == AtomType::VARIABLE) {
(static_cast<Variable*>(symbolName.v.ptr))->atom = atom2V(doExp(e.args[2]));
}
else {
throwError(doExp(e.args[1]).sval + "is not symbol");
}
}
else {
for (auto& arg : e.args) {
cout << "Wrong argument: " << doExp(arg).sval << endl;
}
throwError("wrong arguments number: " + to_string(e.args.size()));
}
}
else if (function == "<=") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
if (e.args.size() >= 3) {
Atom firstAtom = atom2V(doExp(e.args[1]));
for (int i = 2; i < e.args.size(); ++i) {
Atom secondAtom = atom2V(doExp(e.args[i]));
if (bigger(firstAtom, secondAtom)) {
e.atom.v.bval = false;
return e.atom;
}
}
e.atom.v.bval = true;
return e.atom;
}
else {
throwError("Not enough arguments for " + function);
}
}
else if (function == ">=") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
if (e.args.size() >= 3) {
Atom firstAtom = atom2V(doExp(e.args[1]));
for (int i = 2; i < e.args.size(); ++i) {
Atom secondAtom = atom2V(doExp(e.args[i]));
if (bigger(secondAtom, firstAtom)) {
e.atom.v.bval = false;
return e.atom;
}
}
e.atom.v.bval = true;
return e.atom;
}
else {
throwError("Not enough arguments for " + function);
}
}
else if (function == "<") {
e.atom.type = AtomType::VALUE;
e.atom.vType = AtomValueType::BOOL;
if (e.args.size() >= 3) {
const Atom firstAtom = atom2V(doExp(e.args[1]));
for (int i = 2; i < e.args.size(); ++i) {
const Atom secondAtom = atom2V(doExp(e.args[i]));
if (!bigger(secondAtom, firstAtom)) {
e.atom.v.bval = false;
return e.atom;
}
}
e.atom.v.bval = true;
return e.atom;
}
else {
throwError("Not enough arguments for " + function);
}
}
else if (function == ">") {