Delete: Replaced by src/generator.js and src/index.js

This commit is contained in:
2025-09-26 08:21:20 -07:00
parent 660a45fafa
commit b6471e6a3b

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@@ -1,75 +0,0 @@
import { HiLexer, parser, astBuilder } from './parser.js';
/**
* Generates JavaScript code from a Hi AST.
* @param {object} ast The Abstract Syntax Tree.
* @returns {string} The equivalent JavaScript code.
*/
function generate(ast) {
if (!ast) return '';
const generator = {
Program: (node) => node.body.map(generate).join('\n'),
ExpressionStatement: (node) => `${generate(node.expression)};`,
VariableDeclaration: (node) => `let ${node.identifier} = ${generate(node.value)};`,
Assignment: (node) => `${node.identifier} = ${generate(node.value)};`,
CallExpression: (node) => {
const callee = generate(node.callee);
const args = node.arguments.map(generate).join(', ');
if (callee === '_') {
return `console.log(${args})`;
}
return `${callee}(${args})`;
},
MemberExpression: (node) => `${generate(node.object)}.${generate(node.property)}`,
BinaryExpression: (node) => `(${generate(node.left)} ${node.operator} ${generate(node.right)})`,
Block: (node) => {
if (node.properties.length === 0) return '{}';
const properties = node.properties.map(p => ` ${generate(p)}`).join(',\n');
return `{\n${properties}\n}`;
},
Property: (node) => `${node.key}: ${generate(node.value)}`,
Identifier: (node) => node.name,
NumericLiteral: (node) => node.value,
StringLiteral: (node) => node.value,
};
if (!generator[ast.type]) {
throw new Error(`Unknown AST node type: ${ast.type}`);
}
return generator[ast.type](ast);
}
/**
* Transpiles a string of Hi source code into JavaScript using an AST.
* @param {string} sourceCode The Hi source code.
* @returns {string} The equivalent JavaScript code.
*/
export function hi2js(sourceCode) {
if (!sourceCode.trim()) {
return "";
}
// 1. Lexing
const lexResult = HiLexer.tokenize(sourceCode);
if (lexResult.errors.length > 0) {
throw new Error(`Lexing error: ${lexResult.errors[0].message}`);
}
// 2. Parsing
parser.input = lexResult.tokens;
const cst = parser.program();
if (parser.errors.length > 0) {
const err = parser.errors[0];
throw new Error(`Parsing error: ${err.message}`);
}
// 3. Building AST from CST
const ast = astBuilder.visit(cst);
// 4. Generating JavaScript from AST
return generate(ast);
}