solidity-antlr4/dist/parser/error-listener.js

Solidity Lang Lexer and Parser by official ANTLR4 grammar

import { Position } from "../ast/base.js";
import {
  BaseErrorListener
} from "../antlr4/index.js";
export class ParseError extends Error {
  constructor(message, position) {
    super(message, { cause: null });
    this.message = message;
    this.position = position;
  }
}
export class SolidityErrorListener extends BaseErrorListener {
  errors = [];
  syntaxError(_recognizer, _offendingSymbol, line, column, message, _exception) {
    this.errors.push(new ParseError(message, Position.create(line, column)));
  }
  throws = () => {
    if (!this.errors.length)
      return;
    throw this.errors[0];
  };
}
export const solidityErrorListener = new SolidityErrorListener();