solidity-antlr4/dist/parser/parse.cjs

Solidity Lang Lexer and Parser by official ANTLR4 grammar

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.parse = exports.defaultParseOption = void 0;
var _builder = require("../ast/builder.cjs");
var _antlr = require("../antlr4/index.cjs");
var _errorListener = require("./error-listener.cjs");
const defaultParseOption = exports.defaultParseOption = {
  tolerant: false,
  selector: p => p.sourceUnit()
};
const parse = (source, _options) => {
  let syntaxTree;
  const options = Object.assign({}, defaultParseOption, _options);
  const listener = new _errorListener.SolidityErrorListener();
  try {
    const input = _antlr.CharStreams.fromString(source);
    const lexer = new _antlr.SolidityLexer(input);
    const token = new _antlr.CommonTokenStream(lexer);
    const parser = new _antlr.SolidityParser(token);
    parser.removeErrorListeners();
    parser.addErrorListener(listener);
    const visitor = new _builder.SolidityASTBuilder();
    const parseTree = options.selector(parser);
    syntaxTree = parseTree.accept(visitor);
  } catch (error) {
    if (error instanceof _errorListener.ParseError) {} else {
      listener.errors.push(new _errorListener.ParseError(error.message || "unknown error"));
    }
  }
  if (!options.tolerant) listener.throws();
  return syntaxTree;
};
exports.parse = parse;