esfuzz/lib/cli.js

JS fuzzer for generative testing of parsers that implement the SpiderMonkey Reflect.parse API

// Generated by CoffeeScript 2.0.0-beta7
void function () {
  var $0, cache$, counter, fuzz, fuzzAndRoundtrip, generate, knownOpts, nonstandardParsers, nopt, optAliases, options, parsers, path, recur;
  path = require('path');
  nopt = require('nopt');
  cache$ = require('./index');
  generate = cache$.generate;
  fuzz = cache$.fuzz;
  fuzzAndRoundtrip = cache$.fuzzAndRoundtrip;
  knownOpts = {
    acorn: Boolean,
    es6: Boolean,
    esprima: Boolean,
    help: Boolean,
    iterations: Number,
    'max-depth': Number,
    reflect: Boolean,
    reflectjs: Boolean,
    zeparser: Boolean,
    uglifyjs: Boolean,
    version: Boolean
  };
  optAliases = {
    n: '--iterations',
    d: '--max-depth'
  };
  options = nopt(knownOpts, optAliases, process.argv, 2);
  if (null != options.esprima)
    options.esprima;
  else
    options.esprima = true;
  if (null != options.acorn)
    options.acorn;
  else
    options.acorn = true;
  if (null != options.reflect)
    options.reflect;
  else
    options.reflect = 'undefined' !== typeof Reflect && null != Reflect && 'function' === typeof Reflect.parse;
  if (null != options.iterations)
    options.iterations;
  else
    options.iterations = 1 / 0;
  if (null != options['max-depth'])
    options['max-depth'];
  else
    options['max-depth'] = 7;
  options.maxDepth = options['max-depth'];
  parsers = [];
  nonstandardParsers = [];
  if (options.esprima)
    try {
      parsers.push(require('esprima'));
    } catch (e$) {
    }
  if (options.acorn)
    try {
      parsers.push(require('acorn'));
    } catch (e$1) {
    }
  if (options.reflectjs)
    try {
      parsers.push(require('reflect'));
    } catch (e$2) {
    }
  if (options.reflect)
    try {
      parsers.push(Reflect);
    } catch (e$3) {
    }
  if (options.uglifyjs)
    try {
      nonstandardParsers.push(require('uglify-js'));
    } catch (e$4) {
    }
  if (options.zeparser)
    try {
      nonstandardParsers.push(require('zeparser').ZeParser);
    } catch (e$5) {
    }
  if (options.help) {
    $0 = process.argv[0] === 'node' ? process.argv[1] : process.argv[0];
    $0 = path.basename($0);
    console.log('\n  Usage: ' + $0 + ' OPT*\n\n  -n, --iterations NUM  use at most NUM programs; default: unlimited\n  -d, --max-depth NUM   create ASTs with a height no greater than NUM; default: 8\n  --acorn               enable marijnh/acorn parser; default: on\n  --es6                 allow ECMAScript 6 features in generated programs\n  --esprima             enable ariya/esprima parser; default: on\n  --help                display this help message and exit\n  --reflect             enable Reflect.parse parser; default: on if it exists\n  --reflectjs           enable zaach/reflect.js parser\n  --uglifyjs            enable limited support for mishoo/UglifyJS2\n  --version             display the version number and exit\n  --zeparser            enable limited support for qfox/ZeParser\n');
    process.exit(0);
  }
  if (options.version) {
    console.log(require('../package.json').version);
    process.exit(0);
  }
  process.on('SIGINT', function () {
    process.stdout.write('  \n');
    return process.exit(0);
  });
  counter = 0;
  (recur = function () {
    var ast, cache$1, err, js, message, name, program, stack;
    if (counter < options.iterations) {
      process.stdout.write('\b\b\b\b\b\b\b\b\b\b\b\b\b\b' + ++counter);
      try {
        program = generate({ maxDepth: options.maxDepth });
        fuzzAndRoundtrip(program, parsers);
        if (nonstandardParsers.length)
          fuzz(program, nonstandardParsers);
      } catch (e$6) {
        err = e$6;
        cache$1 = err;
        stack = cache$1.stack;
        ast = cache$1.ast;
        js = cache$1.js;
        name = cache$1.name;
        message = cache$1.message;
        console.error('\b\b\b\b\b\b\b\b\b\b\b\b\b' + name + ': ' + message + '\n\n' + stack + '\n\n' + js + '\n\n' + ast);
        process.exit(1);
      }
      setImmediate(recur);
    } else {
      process.stdout.write('\n');
    }
  })();
}.call(this);