{"id":84019,"date":"2024-11-15T23:39:28","date_gmt":"2024-11-15T20:09:28","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/build-your-own-javascript-compatible-language-mastering-compiler-design-2gfc\/"},"modified":"2024-11-15T23:39:28","modified_gmt":"2024-11-15T20:09:28","slug":"build-your-own-javascript-compatible-language-mastering-compiler-design-2gfc","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/build-your-own-javascript-compatible-language-mastering-compiler-design-2gfc\/","title":{"rendered":"\u0632\u0628\u0627\u0646 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f: \u062a\u0633\u0644\u0637 \u0628\u0631 \u0637\u0631\u0627\u062d\u06cc \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631"},"content":{"rendered":"

Summarize this content to 400 words in Persian Lang
\n \u0627\u06cc\u062c\u0627\u062f \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062e\u0648\u062f \u06a9\u0647 \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0645\u06cc \u0634\u0648\u062f \u0633\u0641\u0631\u06cc \u062c\u0630\u0627\u0628 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0647\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u06cc\u200c\u0631\u0633\u0627\u0646\u062f \u0648 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631\u06a9 \u0639\u0645\u06cc\u0642\u200c\u062a\u0631\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0632\u0628\u0627\u0646\u200c\u0647\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n

\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645. \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0634\u0627\u0645\u0644 \u0633\u0647 \u0645\u0631\u062d\u0644\u0647 \u0627\u0635\u0644\u06cc \u0627\u0633\u062a: \u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc\u060c \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f.<\/p>\n

\u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u0627\u0648\u0644\u06cc\u0646 \u06af\u0627\u0645 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u06a9\u062f \u0645\u0646\u0628\u0639 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u062a\u0648\u06a9\u0646 \u0647\u0627 \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646\u0647\u0627 \u06a9\u0648\u0686\u06a9\u062a\u0631\u06cc\u0646 \u0648\u0627\u062d\u062f\u0647\u0627\u06cc \u0645\u0639\u0646\u06cc \u062f\u0631 \u0632\u0628\u0627\u0646 \u0645\u0627 \u0647\u0633\u062a\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u0639\u0628\u0627\u0631\u062a “let x = 5;”\u060c \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc “let”\u060c “x”\u060c “=”\u060c “5” \u0648 “;” \u062f\u0627\u0631\u06cc\u0645.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 lexer \u0633\u0627\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

function lexer(input) {
\n let tokens = [];
\n let current = 0;<\/p>\n

while (current < input.length) {
\n let char = input[current];<\/p>\n

if (char === ‘=’ || char === ‘;’) {
\n tokens.push({ type: ‘operator’, value: char });
\n current++;
\n continue;
\n }<\/p>\n

if (\/\\s\/.test(char)) {
\n current++;
\n continue;
\n }<\/p>\n

if (\/[a-z]\/i.test(char)) {
\n let value = ”;
\n while (\/[a-z]\/i.test(char)) {
\n value += char;
\n char = input[++current];
\n }
\n tokens.push({ type: ‘identifier’, value });
\n continue;
\n }<\/p>\n

if (\/\\d\/.test(char)) {
\n let value = ”;
\n while (\/\\d\/.test(char)) {
\n value += char;
\n char = input[++current];
\n }
\n tokens.push({ type: ‘number’, value });
\n continue;
\n }<\/p>\n

throw new Error(‘Unknown character: ‘ + char);
\n }<\/p>\n

return tokens;
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 lexer \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u06a9\u0627\u0644\u06cc\u0641 \u0633\u0627\u062f\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f “let x = 5;” \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u062f\u0647 \u0627\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u0645\u06cc \u062f\u0647\u062f.<\/p>\n

\u0628\u0639\u062f \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u0622\u06cc\u062f. \u0627\u06cc\u0646\u062c\u0627 \u062c\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u062c\u0631\u06cc\u0627\u0646 \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 \u0648 \u06cc\u06a9 \u062f\u0631\u062e\u062a \u0646\u062d\u0648 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc (AST) \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645. AST \u0633\u0627\u062e\u062a\u0627\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0632\u0628\u0627\u0646 \u0645\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

function parser(tokens) {
\n let current = 0;<\/p>\n

function walk() {
\n let token = tokens[current];<\/p>\n

if (token.type === ‘identifier’ && token.value === ‘let’) {
\n let node = {
\n type: ‘VariableDeclaration’,
\n name: tokens[++current].value,
\n value: null
\n };<\/p>\n

current += 2; \/\/ Skip the ‘=’
\n node.value = walk();<\/p>\n

return node;
\n }<\/p>\n

if (token.type === ‘number’) {
\n current++;
\n return { type: ‘NumberLiteral’, value: token.value };
\n }<\/p>\n

throw new TypeError(token.type);
\n }<\/p>\n

let ast = {
\n type: ‘Program’,
\n body: []\n };<\/p>\n

while (current < tokens.length) {
\n ast.body.push(walk());
\n }<\/p>\n

return ast;
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0639\u0644\u0627\u0646 \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0633\u0627\u062f\u0647 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u06cc\u0644\u06cc \u0642\u0648\u06cc \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0645\u0641\u0647\u0648\u0645 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n

\u0645\u0631\u062d\u0644\u0647 \u0622\u062e\u0631 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f \u0627\u0633\u062a. \u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 AST \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06a9\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u06a9\u062f \u0633\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n

function codeGenerator(node) {
\n switch (node.type) {
\n case ‘Program’:
\n return node.body.map(codeGenerator).join(‘\\n’);<\/p>\n

case ‘VariableDeclaration’:
\n return ‘let ‘ + node.name + ‘ = ‘ + codeGenerator(node.value) + ‘;’;<\/p>\n

case ‘NumberLiteral’:
\n return node.value;<\/p>\n

default:
\n throw new TypeError(node.type);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062d\u0627\u0644\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062c\u0645\u0639 \u06a9\u0646\u06cc\u0645:<\/p>\n

function compile(input) {
\n let tokens = lexer(input);
\n let ast = parser(tokens);
\n let output = codeGenerator(ast);
\n return output;
\n}<\/p>\n

console.log(compile(‘let x = 5;’));
\n\/\/ Outputs: let x = 5;<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06cc\u0646 \u0641\u0642\u0637 \u062e\u0631\u0627\u0634 \u062f\u0627\u062f\u0646 \u0633\u0637\u062d \u0627\u0633\u062a. \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0632\u0628\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u0628\u0627\u06cc\u062f \u06a9\u0627\u0631\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f: \u062a\u0648\u0627\u0628\u0639\u060c \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u060c \u0639\u0645\u0644\u06af\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647. \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0645\u0632\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n

\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0632\u0628\u0627\u0646 \u062e\u0648\u062f \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u0627\u0646\u0648\u0627\u0639 \u062a\u0648\u06a9\u0646 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 lexer \u062e\u0648\u062f\u060c \u0627\u0646\u0648\u0627\u0639 \u06af\u0631\u0647 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0648\u062f \u0648 \u0645\u0648\u0627\u0631\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u06a9\u062f \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u06cc\u06a9 \u0645\u0631\u062d\u0644\u0647 \u0628\u0627\u0632\u0646\u0645\u0627\u06cc\u06cc \u0645\u06cc\u0627\u0646\u06cc (IR) \u0628\u06cc\u0646 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0646\u062c\u0627\u0645 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u06a9\u0646\u062f.<\/p>\n

\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0627\u06cc \u0639\u0628\u0627\u0631\u0627\u062a \u0633\u0627\u062f\u0647 \u062d\u0633\u0627\u0628\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n

\/\/ Add to lexer
\nif (char === ‘+’ || char === ‘-‘ || char === ‘*’ || char === ‘\/’) {
\n tokens.push({ type: ‘operator’, value: char });
\n current++;
\n continue;
\n}<\/p>\n

\/\/ Add to parser
\nif (token.type === ‘number’ || token.type === ‘identifier’) {
\n let node = { type: token.type, value: token.value };
\n current++;<\/p>\n

if (tokens[current] && tokens[current].type === ‘operator’) {
\n node = {
\n type: ‘BinaryExpression’,
\n operator: tokens[current].value,
\n left: node,
\n right: walk()
\n };
\n current++;
\n }<\/p>\n

return node;
\n}<\/p>\n

\/\/ Add to code generator
\ncase ‘BinaryExpression’:
\n return codeGenerator(node.left) + ‘ ‘ + node.operator + ‘ ‘ + codeGenerator(node.right);<\/p>\n

case ‘identifier’:
\n return node.value;<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0628\u0627\u0631\u0627\u062a\u06cc \u0645\u0627\u0646\u0646\u062f “let x = 5 + 3;” \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f.<\/p>\n

\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062e\u062a\u0646 \u0632\u0628\u0627\u0646 \u062e\u0648\u062f \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u0628\u0627 \u0686\u0627\u0644\u0634 \u0647\u0627\u06cc \u062c\u0627\u0644\u0628\u06cc \u0631\u0648\u0628\u0631\u0648 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0634\u062f. \u0686\u06af\u0648\u0646\u0647 \u0627\u0648\u0644\u0648\u06cc\u062a \u0639\u0645\u0644\u06af\u0631 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u0645\u061f \u0686\u06af\u0648\u0646\u0647 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u0648\u0631\u0627\u062a if \u0648 \u062d\u0644\u0642\u0647 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u061f \u0686\u06af\u0648\u0646\u0647 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0648 \u062f\u0627\u0645\u0646\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0631\u062e\u0648\u0631\u062f \u06a9\u0646\u06cc\u0645\u061f<\/p>\n

\u0627\u06cc\u0646 \u0633\u0648\u0627\u0644\u0627\u062a \u0645\u0627 \u0631\u0627 \u0628\u0647 \u0633\u0645\u062a \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u0647\u062f\u0627\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0646\u0645\u0627\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0648 \u0645\u062d\u062f\u0648\u062f\u0647 \u0622\u0646\u0647\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0686\u06a9 \u06a9\u0631\u062f\u0646 \u0646\u0648\u0639 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0634\u062e\u06cc\u0635 \u062e\u0637\u0627\u0647\u0627 \u0642\u0628\u0644 \u0627\u0632 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u0645\u0627 \u062d\u062a\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u062d\u06cc\u0637 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u062e\u0648\u062f\u0645\u0627\u0646 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n

\u06cc\u06a9\u06cc \u0627\u0632 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062c\u0627\u0644\u0628 \u062a\u0648\u062c\u0647 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0627\u0633\u062a. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0627 AST \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0648 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u06a9\u062f \u062d\u0627\u0635\u0644 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0627 \u06a9\u0631\u062f\u0646 \u062b\u0627\u0628\u062a \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0639\u0628\u0627\u0631\u0627\u062a \u062b\u0627\u0628\u062a \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645:<\/p>\n

function optimize(node) {
\n if (node.type === ‘BinaryExpression’ &&
\n node.left.type === ‘NumberLiteral’ &&
\n node.right.type === ‘NumberLiteral’) {
\n let result;
\n switch (node.operator) {
\n case ‘+’: result = Number(node.left.value) + Number(node.right.value); break;
\n case ‘-‘: result = Number(node.left.value) – Number(node.right.value); break;
\n case ‘*’: result = Number(node.left.value) * Number(node.right.value); break;
\n case ‘\/’: result = Number(node.left.value) \/ Number(node.right.value); break;
\n }
\n return { type: ‘NumberLiteral’, value: result.toString() };
\n }
\n return node;
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0631\u0627 \u062f\u0631 \u0647\u0631 \u06af\u0631\u0647 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n

\u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647\u060c \u062a\u0648\u0644\u06cc\u062f \u0646\u0642\u0634\u0647 \u0645\u0646\u0628\u0639 \u0627\u0633\u062a. \u0646\u0642\u0634\u0647 \u0647\u0627\u06cc \u0645\u0646\u0628\u0639 \u0628\u0647 \u062f\u06cc\u0628\u0627\u06af\u0631\u0647\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u0628\u06cc\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u0648 \u06a9\u062f \u0645\u0646\u0628\u0639 \u0627\u0635\u0644\u06cc \u0645\u0627 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u0632\u0628\u0627\u0646 \u0639\u0645\u06cc\u0642 \u062a\u0631 \u0645\u06cc \u0634\u0648\u06cc\u0645\u060c \u0634\u0631\u0648\u0639 \u0628\u0647 \u062f\u0631\u06a9 \u062a\u0641\u0627\u0648\u062a \u0647\u0627\u06cc \u0638\u0631\u06cc\u0641 \u0648 \u0645\u0628\u0627\u062f\u0644\u0627\u062a \u0645\u0648\u062c\u0648\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0622\u06cc\u0627 \u0632\u0628\u0627\u0646 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0642\u0648\u06cc \u062a\u0627\u06cc\u067e \u0634\u0648\u062f \u06cc\u0627 \u067e\u0648\u06cc\u0627\u061f \u0686\u06af\u0648\u0646\u0647 \u0628\u06cc\u0627\u0646 \u0648 \u0627\u06cc\u0645\u0646\u06cc \u0631\u0627 \u0645\u062a\u0639\u0627\u062f\u0644 \u06a9\u0646\u06cc\u0645\u061f \u0686\u0647 \u0646\u062d\u0648\u06cc \u0632\u0628\u0627\u0646 \u0645\u0627 \u0631\u0627 \u0628\u0635\u0631\u06cc \u0648 \u0622\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u061f<\/p>\n

\u0633\u0627\u062e\u062a\u0646 \u0632\u0628\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u062f\u06cc\u062f\u06af\u0627\u0647 \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f\u06cc \u0627\u0632 \u062e\u0648\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0645\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u0631\u0627 \u062a\u0635\u0645\u06cc\u0645\u0627\u062a \u0637\u0631\u0627\u062d\u06cc \u062e\u0627\u0635\u06cc \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0648 \u062f\u0631\u06a9 \u0639\u0645\u06cc\u0642 \u062a\u0631\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u0648 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0632\u0628\u0627\u0646 \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645.<\/p>\n

\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631\u06a9 \u0645\u0627 \u0627\u0632 \u0632\u0628\u0627\u0646 \u0647\u0627 \u0648 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0631\u0627 \u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f. \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0645\u0641\u0627\u0647\u06cc\u0645\u06cc \u06a9\u0647 \u0628\u0627 \u0622\u0646\u0647\u0627 \u0631\u0648\u0628\u0631\u0648 \u0645\u06cc \u0634\u0648\u06cc\u0645 – \u0645\u062d\u062f\u0648\u062f\u0647 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc\u060c \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0646\u0648\u0639\u060c \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 – \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0648 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u0627\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n

\u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0633\u062a\u06cc\u0645\u060c \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0635\u0648\u0644 \u0628\u0631\u0627\u06cc \u0633\u0627\u06cc\u0631 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0647\u062f\u0641 \u0646\u06cc\u0632 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u062f\u0631\u06a9 \u06a9\u0631\u062f\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u062e\u0631\u0648\u062c\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u062c\u0627\u0648\u0627 \u06cc\u0627 \u062d\u062a\u06cc \u06a9\u062f \u0645\u0627\u0634\u06cc\u0646 \u062a\u0637\u0628\u06cc\u0642 \u062f\u0647\u06cc\u062f.<\/p>\n

\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u0648\u0627\u0636\u062d \u0627\u0633\u062a \u06a9\u0647 \u0633\u0627\u062e\u062a\u0646 \u06cc\u06a9 \u062a\u0631\u0627\u0646\u0633\u067e\u0627\u06cc\u0644\u0631 \u0632\u0628\u0627\u0646 \u06a9\u0627\u0631 \u06a9\u0648\u0686\u06a9\u06cc \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0634\u0645\u0627 \u0631\u0634\u062f \u06a9\u0646\u062f \u0648 \u0647\u0645\u06cc\u0634\u0647 \u0686\u0627\u0644\u0634 \u0647\u0627 \u0648 \u0641\u0631\u0635\u062a \u0647\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f. \u0686\u0647 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u062e\u0627\u0635 \u062f\u0627\u0645\u0646\u0647 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u0634\u06a9\u0644 \u062e\u0627\u0635 \u0628\u0627\u0634\u06cc\u062f\u060c \u06cc\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0645\u0648\u0631\u062f \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0632\u0628\u0627\u0646 \u0647\u0627 \u06a9\u0646\u062c\u06a9\u0627\u0648 \u0628\u0627\u0634\u06cc\u062f\u060c \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647 \u06cc\u06a9 \u0631\u0627\u0647 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u0645\u06cc\u0642 \u062f\u0627\u0646\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u0645\u0627 \u0627\u0633\u062a.<\/p>\n

\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0647\u062f\u0641 \u0644\u0632\u0648\u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0628\u0632\u0631\u06af \u0628\u0639\u062f\u06cc \u0646\u06cc\u0633\u062a. \u0627\u0631\u0632\u0634 \u0648\u0627\u0642\u0639\u06cc \u062f\u0631 \u0633\u0641\u0631 \u0627\u0633\u062a – \u062f\u0631\u06a9\u06cc \u06a9\u0647 \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u062f\u060c \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0627\u0632 \u062a\u0641\u06a9\u0631 \u06a9\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u0632 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f\u0646\u060c \u0627\u0634\u062a\u0628\u0627\u0647 \u06a9\u0631\u062f\u0646 \u0648 \u0634\u06a9\u0633\u062a \u062f\u0627\u062f\u0646 \u0645\u0631\u0632\u0647\u0627\u06cc \u0622\u0646\u0686\u0647 \u06a9\u0647 \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u062a\u0631\u0633\u06cc\u062f. \u06a9\u062f \u0646\u0648\u06cc\u0633\u06cc \u0645\u0628\u0627\u0631\u06a9!<\/p>\n

\u0645\u062e\u0644\u0648\u0642\u0627\u062a \u0645\u0627<\/p>\n

\u062d\u062a\u0645\u0627\u064b \u062e\u0644\u0627\u0642\u06cc\u062a \u0647\u0627\u06cc \u0645\u0627 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n

\u0645\u0631\u06a9\u0632 \u0633\u0631\u0645\u0627\u06cc\u0647 \u06af\u0630\u0627\u0631 | \u0632\u0646\u062f\u06af\u06cc \u0647\u0648\u0634\u0645\u0646\u062f | \u062f\u0648\u0631\u0647 \u0647\u0627 \u0648 \u067e\u0698\u0648\u0627\u06a9 \u0647\u0627 | \u0627\u0633\u0631\u0627\u0631 \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 | \u0647\u0646\u062f\u0648\u062a\u0648\u0627 | Elite Dev | \u0645\u062f\u0627\u0631\u0633 JS<\/p>\n

\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644\u062a \u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0647\u0633\u062a\u06cc\u0645<\/p>\n

\u0628\u06cc\u0646\u0634 \u06a9\u0648\u0622\u0644\u0627\u06cc \u0641\u0646\u06cc | \u062f\u0648\u0631\u0627\u0646 \u0648 \u067e\u0698\u0648\u0627\u06a9 \u062c\u0647\u0627\u0646 | \u0633\u0631\u0645\u0627\u06cc\u0647 \u06af\u0630\u0627\u0631 \u0645\u0631\u06a9\u0632\u06cc \u0645\u062a\u0648\u0633\u0637 | \u0631\u0627\u0632\u0647\u0627\u06cc \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0631\u0633\u0627\u0646\u0647 | \u0631\u0633\u0627\u0646\u0647 \u0639\u0644\u0645 \u0648 \u0639\u0635\u0631 | \u0647\u0646\u062f\u0648\u062a\u0648\u0627\u06cc \u0645\u062f\u0631\u0646<\/p>\n

\n

\u0627\u06cc\u062c\u0627\u062f \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062e\u0648\u062f \u06a9\u0647 \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0645\u06cc \u0634\u0648\u062f \u0633\u0641\u0631\u06cc \u062c\u0630\u0627\u0628 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0647\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u06cc\u200c\u0631\u0633\u0627\u0646\u062f \u0648 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631\u06a9 \u0639\u0645\u06cc\u0642\u200c\u062a\u0631\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0632\u0628\u0627\u0646\u200c\u0647\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n

\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645. \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0634\u0627\u0645\u0644 \u0633\u0647 \u0645\u0631\u062d\u0644\u0647 \u0627\u0635\u0644\u06cc \u0627\u0633\u062a: \u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc\u060c \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f.<\/p>\n

\u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u0627\u0648\u0644\u06cc\u0646 \u06af\u0627\u0645 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u06a9\u062f \u0645\u0646\u0628\u0639 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u062a\u0648\u06a9\u0646 \u0647\u0627 \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646\u0647\u0627 \u06a9\u0648\u0686\u06a9\u062a\u0631\u06cc\u0646 \u0648\u0627\u062d\u062f\u0647\u0627\u06cc \u0645\u0639\u0646\u06cc \u062f\u0631 \u0632\u0628\u0627\u0646 \u0645\u0627 \u0647\u0633\u062a\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u0639\u0628\u0627\u0631\u062a “let x = 5;”\u060c \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc “let”\u060c “x”\u060c “=”\u060c “5” \u0648 “;” \u062f\u0627\u0631\u06cc\u0645.<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 lexer \u0633\u0627\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

\n
function<\/span> lexer<\/span>(<\/span>input<\/span>)<\/span> {<\/span>\n    let<\/span> tokens<\/span> =<\/span> [];<\/span>\n    let<\/span> current<\/span> =<\/span> 0<\/span>;<\/span>\n\n    while <\/span>(<\/span>current<\/span> <<\/span> input<\/span>.<\/span>length<\/span>)<\/span> {<\/span>\n        let<\/span> char<\/span> =<\/span> input<\/span>[<\/span>current<\/span>];<\/span>\n\n        if <\/span>(<\/span>char<\/span> ===<\/span> '<\/span>=<\/span>'<\/span> ||<\/span> char<\/span> ===<\/span> '<\/span>;<\/span>'<\/span>)<\/span> {<\/span>\n            tokens<\/span>.<\/span>push<\/span>({<\/span> type<\/span>:<\/span> '<\/span>operator<\/span>'<\/span>,<\/span> value<\/span>:<\/span> char<\/span> });<\/span>\n            current<\/span>++<\/span>;<\/span>\n            continue<\/span>;<\/span>\n        }<\/span>\n\n        if <\/span>(<\/span>\/<\/span>\\s<\/span>\/<\/span>.<\/span>test<\/span>(<\/span>char<\/span>))<\/span> {<\/span>\n            current<\/span>++<\/span>;<\/span>\n            continue<\/span>;<\/span>\n        }<\/span>\n\n        if <\/span>(<\/span>\/<\/span>[<\/span>a-z<\/span>]<\/span>\/i<\/span>.<\/span>test<\/span>(<\/span>char<\/span>))<\/span> {<\/span>\n            let<\/span> value<\/span> =<\/span> ''<\/span>;<\/span>\n            while <\/span>(<\/span>\/<\/span>[<\/span>a-z<\/span>]<\/span>\/i<\/span>.<\/span>test<\/span>(<\/span>char<\/span>))<\/span> {<\/span>\n                value<\/span> +=<\/span> char<\/span>;<\/span>\n                char<\/span> =<\/span> input<\/span>[<\/span>++<\/span>current<\/span>];<\/span>\n            }<\/span>\n            tokens<\/span>.<\/span>push<\/span>({<\/span> type<\/span>:<\/span> '<\/span>identifier<\/span>'<\/span>,<\/span> value<\/span> });<\/span>\n            continue<\/span>;<\/span>\n        }<\/span>\n\n        if <\/span>(<\/span>\/<\/span>\\d<\/span>\/<\/span>.<\/span>test<\/span>(<\/span>char<\/span>))<\/span> {<\/span>\n            let<\/span> value<\/span> =<\/span> ''<\/span>;<\/span>\n            while <\/span>(<\/span>\/<\/span>\\d<\/span>\/<\/span>.<\/span>test<\/span>(<\/span>char<\/span>))<\/span> {<\/span>\n                value<\/span> +=<\/span> char<\/span>;<\/span>\n                char<\/span> =<\/span> input<\/span>[<\/span>++<\/span>current<\/span>];<\/span>\n            }<\/span>\n            tokens<\/span>.<\/span>push<\/span>({<\/span> type<\/span>:<\/span> '<\/span>number<\/span>'<\/span>,<\/span> value<\/span> });<\/span>\n            continue<\/span>;<\/span>\n        }<\/span>\n\n        throw<\/span> new<\/span> Error<\/span>(<\/span>'<\/span>Unknown character: <\/span>'<\/span> +<\/span> char<\/span>);<\/span>\n    }<\/span>\n\n    return<\/span> tokens<\/span>;<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 lexer \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u06a9\u0627\u0644\u06cc\u0641 \u0633\u0627\u062f\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f “let x = 5;” \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u062f\u0647 \u0627\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062d\u0644\u06cc\u0644 \u0648\u0627\u0698\u06af\u0627\u0646\u06cc \u0645\u06cc \u062f\u0647\u062f.<\/p>\n
\u0628\u0639\u062f \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u0622\u06cc\u062f. \u0627\u06cc\u0646\u062c\u0627 \u062c\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u062c\u0631\u06cc\u0627\u0646 \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 \u0648 \u06cc\u06a9 \u062f\u0631\u062e\u062a \u0646\u062d\u0648 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc (AST) \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645. AST \u0633\u0627\u062e\u062a\u0627\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0632\u0628\u0627\u0646 \u0645\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n
\n
function<\/span> parser<\/span>(<\/span>tokens<\/span>)<\/span> {<\/span>\n    let<\/span> current<\/span> =<\/span> 0<\/span>;<\/span>\n\n    function<\/span> walk<\/span>()<\/span> {<\/span>\n        let<\/span> token<\/span> =<\/span> tokens<\/span>[<\/span>current<\/span>];<\/span>\n\n        if <\/span>(<\/span>token<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>identifier<\/span>'<\/span> &&<\/span> token<\/span>.<\/span>value<\/span> ===<\/span> '<\/span>let<\/span>'<\/span>)<\/span> {<\/span>\n            let<\/span> node<\/span> =<\/span> {<\/span>\n                type<\/span>:<\/span> '<\/span>VariableDeclaration<\/span>'<\/span>,<\/span>\n                name<\/span>:<\/span> tokens<\/span>[<\/span>++<\/span>current<\/span>].<\/span>value<\/span>,<\/span>\n                value<\/span>:<\/span> null<\/span>\n            };<\/span>\n\n            current<\/span> +=<\/span> 2<\/span>;<\/span> \/\/ Skip the '='<\/span>\n            node<\/span>.<\/span>value<\/span> =<\/span> walk<\/span>();<\/span>\n\n            return<\/span> node<\/span>;<\/span>\n        }<\/span>\n\n        if <\/span>(<\/span>token<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>number<\/span>'<\/span>)<\/span> {<\/span>\n            current<\/span>++<\/span>;<\/span>\n            return<\/span> {<\/span> type<\/span>:<\/span> '<\/span>NumberLiteral<\/span>'<\/span>,<\/span> value<\/span>:<\/span> token<\/span>.<\/span>value<\/span> };<\/span>\n        }<\/span>\n\n        throw<\/span> new<\/span> TypeError<\/span>(<\/span>token<\/span>.<\/span>type<\/span>);<\/span>\n    }<\/span>\n\n    let<\/span> ast<\/span> =<\/span> {<\/span>\n        type<\/span>:<\/span> '<\/span>Program<\/span>'<\/span>,<\/span>\n        body<\/span>:<\/span> []<\/span>\n    };<\/span>\n\n    while <\/span>(<\/span>current<\/span> <<\/span> tokens<\/span>.<\/span>length<\/span>)<\/span> {<\/span>\n        ast<\/span>.<\/span>body<\/span>.<\/span>push<\/span>(<\/span>walk<\/span>());<\/span>\n    }<\/span>\n\n    return<\/span> ast<\/span>;<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0639\u0644\u0627\u0646 \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0633\u0627\u062f\u0647 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u062e\u06cc\u0644\u06cc \u0642\u0648\u06cc \u0646\u06cc\u0633\u062a\u060c \u0627\u0645\u0627 \u0645\u0641\u0647\u0648\u0645 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n
\u0645\u0631\u062d\u0644\u0647 \u0622\u062e\u0631 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f \u0627\u0633\u062a. \u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 AST \u062e\u0648\u062f \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06a9\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u06a9\u062f \u0633\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n
\n
function<\/span> codeGenerator<\/span>(<\/span>node<\/span>)<\/span> {<\/span>\n    switch <\/span>(<\/span>node<\/span>.<\/span>type<\/span>)<\/span> {<\/span>\n        case<\/span> '<\/span>Program<\/span>'<\/span>:<\/span>\n            return<\/span> node<\/span>.<\/span>body<\/span>.<\/span>map<\/span>(<\/span>codeGenerator<\/span>).<\/span>join<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>);<\/span>\n\n        case<\/span> '<\/span>VariableDeclaration<\/span>'<\/span>:<\/span>\n            return<\/span> '<\/span>let <\/span>'<\/span> +<\/span> node<\/span>.<\/span>name<\/span> +<\/span> '<\/span> = <\/span>'<\/span> +<\/span> codeGenerator<\/span>(<\/span>node<\/span>.<\/span>value<\/span>)<\/span> +<\/span> '<\/span>;<\/span>'<\/span>;<\/span>\n\n        case<\/span> '<\/span>NumberLiteral<\/span>'<\/span>:<\/span>\n            return<\/span> node<\/span>.<\/span>value<\/span>;<\/span>\n\n        default<\/span>:<\/span>\n            throw<\/span> new<\/span> TypeError<\/span>(<\/span>node<\/span>.<\/span>type<\/span>);<\/span>\n    }<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u062d\u0627\u0644\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062c\u0645\u0639 \u06a9\u0646\u06cc\u0645:<\/p>\n
\n
function<\/span> compile<\/span>(<\/span>input<\/span>)<\/span> {<\/span>\n    let<\/span> tokens<\/span> =<\/span> lexer<\/span>(<\/span>input<\/span>);<\/span>\n    let<\/span> ast<\/span> =<\/span> parser<\/span>(<\/span>tokens<\/span>);<\/span>\n    let<\/span> output<\/span> =<\/span> codeGenerator<\/span>(<\/span>ast<\/span>);<\/span>\n    return<\/span> output<\/span>;<\/span>\n}<\/span>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>compile<\/span>(<\/span>'<\/span>let x = 5;<\/span>'<\/span>));<\/span>\n\/\/ Outputs: let x = 5;<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06cc\u0646 \u0641\u0642\u0637 \u062e\u0631\u0627\u0634 \u062f\u0627\u062f\u0646 \u0633\u0637\u062d \u0627\u0633\u062a. \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0632\u0628\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u0628\u0627\u06cc\u062f \u06a9\u0627\u0631\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f: \u062a\u0648\u0627\u0628\u0639\u060c \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u060c \u0639\u0645\u0644\u06af\u0631\u0647\u0627 \u0648 \u063a\u06cc\u0631\u0647. \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0645\u0632\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n
\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0632\u0628\u0627\u0646 \u062e\u0648\u062f \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u0627\u0646\u0648\u0627\u0639 \u062a\u0648\u06a9\u0646 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 lexer \u062e\u0648\u062f\u060c \u0627\u0646\u0648\u0627\u0639 \u06af\u0631\u0647 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0648\u062f \u0648 \u0645\u0648\u0627\u0631\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u06a9\u062f \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u06cc\u06a9 \u0645\u0631\u062d\u0644\u0647 \u0628\u0627\u0632\u0646\u0645\u0627\u06cc\u06cc \u0645\u06cc\u0627\u0646\u06cc (IR) \u0628\u06cc\u0646 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u0648\u0644\u06cc\u062f \u06a9\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0646\u062c\u0627\u0645 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u06a9\u0646\u062f.<\/p>\n
\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0627\u06cc \u0639\u0628\u0627\u0631\u0627\u062a \u0633\u0627\u062f\u0647 \u062d\u0633\u0627\u0628\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n
\n
\/\/ Add to lexer<\/span>\nif <\/span>(<\/span>char<\/span> ===<\/span> '<\/span>+<\/span>'<\/span> ||<\/span> char<\/span> ===<\/span> '<\/span>-<\/span>'<\/span> ||<\/span> char<\/span> ===<\/span> '<\/span>*<\/span>'<\/span> ||<\/span> char<\/span> ===<\/span> '<\/span>\/<\/span>'<\/span>)<\/span> {<\/span>\n    tokens<\/span>.<\/span>push<\/span>({<\/span> type<\/span>:<\/span> '<\/span>operator<\/span>'<\/span>,<\/span> value<\/span>:<\/span> char<\/span> });<\/span>\n    current<\/span>++<\/span>;<\/span>\n    continue<\/span>;<\/span>\n}<\/span>\n\n\/\/ Add to parser<\/span>\nif <\/span>(<\/span>token<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>number<\/span>'<\/span> ||<\/span> token<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>identifier<\/span>'<\/span>)<\/span> {<\/span>\n    let<\/span> node<\/span> =<\/span> {<\/span> type<\/span>:<\/span> token<\/span>.<\/span>type<\/span>,<\/span> value<\/span>:<\/span> token<\/span>.<\/span>value<\/span> };<\/span>\n    current<\/span>++<\/span>;<\/span>\n\n    if <\/span>(<\/span>tokens<\/span>[<\/span>current<\/span>]<\/span> &&<\/span> tokens<\/span>[<\/span>current<\/span>].<\/span>type<\/span> ===<\/span> '<\/span>operator<\/span>'<\/span>)<\/span> {<\/span>\n        node<\/span> =<\/span> {<\/span>\n            type<\/span>:<\/span> '<\/span>BinaryExpression<\/span>'<\/span>,<\/span>\n            operator<\/span>:<\/span> tokens<\/span>[<\/span>current<\/span>].<\/span>value<\/span>,<\/span>\n            left<\/span>:<\/span> node<\/span>,<\/span>\n            right<\/span>:<\/span> walk<\/span>()<\/span>\n        };<\/span>\n        current<\/span>++<\/span>;<\/span>\n    }<\/span>\n\n    return<\/span> node<\/span>;<\/span>\n}<\/span>\n\n\/\/ Add to code generator<\/span>\ncase<\/span> '<\/span>BinaryExpression<\/span>'<\/span>:<\/span>\n    return<\/span> codeGenerator<\/span>(<\/span>node<\/span>.<\/span>left<\/span>)<\/span> +<\/span> '<\/span> <\/span>'<\/span> +<\/span> node<\/span>.<\/span>operator<\/span> +<\/span> '<\/span> <\/span>'<\/span> +<\/span> codeGenerator<\/span>(<\/span>node<\/span>.<\/span>right<\/span>);<\/span>\n\ncase<\/span> '<\/span>identifier<\/span>'<\/span>:<\/span>\n    return<\/span> node<\/span>.<\/span>value<\/span>;<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644\u0631 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0628\u0627\u0631\u0627\u062a\u06cc \u0645\u0627\u0646\u0646\u062f “let x = 5 + 3;” \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f.<\/p>\n
\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062e\u062a\u0646 \u0632\u0628\u0627\u0646 \u062e\u0648\u062f \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u0628\u0627 \u0686\u0627\u0644\u0634 \u0647\u0627\u06cc \u062c\u0627\u0644\u0628\u06cc \u0631\u0648\u0628\u0631\u0648 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0634\u062f. \u0686\u06af\u0648\u0646\u0647 \u0627\u0648\u0644\u0648\u06cc\u062a \u0639\u0645\u0644\u06af\u0631 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u0645\u061f \u0686\u06af\u0648\u0646\u0647 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u0648\u0631\u0627\u062a if \u0648 \u062d\u0644\u0642\u0647 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u061f \u0686\u06af\u0648\u0646\u0647 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0648 \u062f\u0627\u0645\u0646\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0631\u062e\u0648\u0631\u062f \u06a9\u0646\u06cc\u0645\u061f<\/p>\n
\u0627\u06cc\u0646 \u0633\u0648\u0627\u0644\u0627\u062a \u0645\u0627 \u0631\u0627 \u0628\u0647 \u0633\u0645\u062a \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u0647\u062f\u0627\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0646\u0645\u0627\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0648 \u0645\u062d\u062f\u0648\u062f\u0647 \u0622\u0646\u0647\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0686\u06a9 \u06a9\u0631\u062f\u0646 \u0646\u0648\u0639 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0634\u062e\u06cc\u0635 \u062e\u0637\u0627\u0647\u0627 \u0642\u0628\u0644 \u0627\u0632 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645. \u0645\u0627 \u062d\u062a\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u062d\u06cc\u0637 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u062e\u0648\u062f\u0645\u0627\u0646 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n
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\n
function<\/span> optimize<\/span>(<\/span>node<\/span>)<\/span> {<\/span>\n    if <\/span>(<\/span>node<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>BinaryExpression<\/span>'<\/span> &&<\/span>\n        node<\/span>.<\/span>left<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>NumberLiteral<\/span>'<\/span> &&<\/span>\n        node<\/span>.<\/span>right<\/span>.<\/span>type<\/span> ===<\/span> '<\/span>NumberLiteral<\/span>'<\/span>)<\/span> {<\/span>\n        let<\/span> result<\/span>;<\/span>\n        switch <\/span>(<\/span>node<\/span>.<\/span>operator<\/span>)<\/span> {<\/span>\n            case<\/span> '<\/span>+<\/span>'<\/span>:<\/span> result<\/span> =<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>left<\/span>.<\/span>value<\/span>)<\/span> +<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>right<\/span>.<\/span>value<\/span>);<\/span> break<\/span>;<\/span>\n            case<\/span> '<\/span>-<\/span>'<\/span>:<\/span> result<\/span> =<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>left<\/span>.<\/span>value<\/span>)<\/span> -<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>right<\/span>.<\/span>value<\/span>);<\/span> break<\/span>;<\/span>\n            case<\/span> '<\/span>*<\/span>'<\/span>:<\/span> result<\/span> =<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>left<\/span>.<\/span>value<\/span>)<\/span> *<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>right<\/span>.<\/span>value<\/span>);<\/span> break<\/span>;<\/span>\n            case<\/span> '<\/span>\/<\/span>'<\/span>:<\/span> result<\/span> =<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>left<\/span>.<\/span>value<\/span>)<\/span> \/<\/span> Number<\/span>(<\/span>node<\/span>.<\/span>right<\/span>.<\/span>value<\/span>);<\/span> break<\/span>;<\/span>\n        }<\/span>\n        return<\/span> {<\/span> type<\/span>:<\/span> '<\/span>NumberLiteral<\/span>'<\/span>,<\/span> value<\/span>:<\/span> result<\/span>.<\/span>toString<\/span>()<\/span> };<\/span>\n    }<\/span>\n    return<\/span> node<\/span>;<\/span>\n}<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
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