@x-langjs/parser

ANTLR4 lexer/parser package for x-langjs.

中文

包说明

@x-langjs/parser 提供词法分析与语法分析能力，输出 CST、token 流和解析错误。

安装

npm install @x-langjs/parser

主要导出

• XLangLexer / XLangParser
• createLexer(source)
• tokenize(source) -> TokenInfo[]
• parse(source) -> ParseResult
• locationFromToken(token)
• AutoSemicolonTokenSource

示例

import { parse, tokenize } from "@x-langjs/parser";

const tokens = tokenize("a = 1");
const result = parse("a = 1\nb = a + 2");
console.log(result.errors);

说明

此包返回 CST 级别结果。若需要 AST，请配合 @x-langjs/ast 使用。

English

Package purpose

@x-langjs/parser provides lexing/parsing and returns CST, token stream, and parse errors.

Install

npm install @x-langjs/parser

Main exports

• XLangLexer / XLangParser
• createLexer(source)
• tokenize(source) -> TokenInfo[]
• parse(source) -> ParseResult
• locationFromToken(token)
• AutoSemicolonTokenSource

Example

import { parse, tokenize } from "@x-langjs/parser";

const tokens = tokenize("a = 1");
const result = parse("a = 1\nb = a + 2");
console.log(result.errors);