esfuzz/lib/nodes/ContinueStatement.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 cache$, construct, continuable, ContinueStatement, FUNCTIONS, Identifier, ITERATION_STATEMENTS, labels, maybe, Node, randomElement, Statement;
  Node = require('../node');
  Statement = require('../classes/Statement');
  Identifier = require('./Identifier');
  cache$ = require('../combinators');
  construct = cache$.construct;
  maybe = cache$.maybe;
  randomElement = require('../random').randomElement;
  FUNCTIONS = [
    'FunctionDeclaration',
    'FunctionExpression'
  ];
  ITERATION_STATEMENTS = [
    'ForStatement',
    'ForInStatement',
    'DoWhileStatement',
    'WhileStatement'
  ];
  continuable = function (ancestors) {
    var ancestor;
    for (var i$ = 0, length$ = ancestors.length; i$ < length$; ++i$) {
      ancestor = ancestors[i$];
      if (in$(ancestor.type, FUNCTIONS))
        return false;
      if (in$(ancestor.type, ITERATION_STATEMENTS))
        return true;
    }
    return false;
  };
  labels = function (ancestors) {
    var accum, ancestor, i;
    accum = [];
    for (var i$ = 0, length$ = ancestors.length; i$ < length$; ++i$) {
      ancestor = ancestors[i$];
      i = i$;
      if (in$(ancestor.type, FUNCTIONS))
        break;
      if (ancestor.type === 'LabeledStatement' && i > 0 && in$(ancestors[i - 1].type, ITERATION_STATEMENTS))
        accum.push(ancestor.label);
    }
    return accum;
  };
  ContinueStatement = function (super$) {
    extends$(ContinueStatement, super$);
    ContinueStatement.prototype.type = ContinueStatement.name;
    ContinueStatement.prototype.label = null;
    function ContinueStatement(depth, ancestors) {
      --depth;
      if (depth > 0 && continuable(ancestors)) {
        this.label = maybe(function () {
          return randomElement(labels(ancestors));
        })(depth);
      } else {
        return Statement(0);
      }
    }
    return ContinueStatement;
  }(Node);
  module.exports = construct(ContinueStatement);
  function in$(member, list) {
    for (var i = 0, length = list.length; i < length; ++i)
      if (i in list && list[i] === member)
        return true;
    return false;
  }
  function isOwn$(o, p) {
    return {}.hasOwnProperty.call(o, p);
  }
  function extends$(child, parent) {
    for (var key in parent)
      if (isOwn$(parent, key))
        child[key] = parent[key];
    function ctor() {
      this.constructor = child;
    }
    ctor.prototype = parent.prototype;
    child.prototype = new ctor;
    child.__super__ = parent.prototype;
    return child;
  }
}.call(this);