solidity-antlr4/dist/tests/parser.test.js

Solidity Lang Lexer and Parser by official ANTLR4 grammar

import { parse, tokenizer } from "../parser/index.js";
import { test, expect } from "vitest";
test("parser", () => {
  const ast = parse(`// SPDX-License-Identifier: MIT
// compiler version must be greater than or equal to 0.8.20 and less than 0.9.0
pragma solidity ^0.8.20;

contract HelloWorld {
    string public greet = "Hello World!";
}`);
  expect(ast.type).toBe("SourceUnit");
  expect(
    tokenizer(`// SPDX-License-Identifier: MIT
// compiler version must be greater than or equal to 0.8.20 and less than 0.9.0
pragma solidity ^0.8.20;
contract HelloWorld {
    string public greet = "Hello World!";
}`).length
  ).toBe(15);
  expect(() => parse("contract 1fOO {}")).toThrow();
  expect(() => parse("asdfalsdkfjasdlfjasdfadsf")).toThrow();
  expect(() => parse("contract HelloW", { tolerant: false })).toThrow();
  expect(() => tokenizer("contract 1fOO {}")).not.toThrow();
  expect(() => tokenizer("asdfalsdkfjasdlfjasdfadsf", { tolerant: true })).not.toThrow();
});