System.register("ForOfStatement", [], function() {
  "use strict";
  var __moduleName = "ForOfStatement";
  function require(path) {
    return $traceurRuntime.require("ForOfStatement", path);
  }
  "use strict";
  (function() {
    var Node = module.require("../Node").Node,
        ForInStatement = module.require("./ForInStatement").ForInStatement;
    function ForOfStatement(key, value, object, body) {
      Node.call(this);
      this.type = "ForOfStatement";
      this.key = key;
      this.key.parent = this;
      this.value = value;
      if (typeof this.value !== "undefined" && this.value !== null) {
        this.value.parent = this;
      }
      this.object = object;
      this.object.parent = this;
      this.body = body;
      this.body.parent = this;
    }
    ForOfStatement.prototype = Object.create(Node);
    ForOfStatement.prototype.codegen = function() {
      if (!Node.prototype.codegen.call(this)) {
        return;
      }
      this.object = this.object.codegen();
      if (typeof this.value !== "undefined" && this.value !== null) {
        this.value = this.value.codegen(false);
        this.body.defineIdentifier(this.value);
        if (this.object.hasCallExpression()) {
          var id = {
            "type": "Identifier",
            "name": exports.ForOfStatement.getNextVariableName()
          };
          var context = this.getContext();
          context.node.body.splice(context.position, 0, {
            "type": "VariableDeclaration",
            "declarations": [{
              "type": "VariableDeclarator",
              "id": id,
              "init": this.object
            }],
            "kind": "let",
            "codeGenerated": true
          });
          this.object = id;
        }
        this.body.body = [{
          "type": "VariableDeclaration",
          "codeGenerated": true,
          "declarations": [{
            "type": "VariableDeclarator",
            "id": this.value,
            "init": {
              "type": "MemberExpression",
              "computed": "true",
              "object": this.object,
              "property": this.key
            }
          }],
          "kind": "let"
        }].concat(this.body.body);
      }
      var forInLoop = new ForInStatement(this.key, null, {
        "type": "CallExpression",
        "codeGenerated": true,
        "callee": {
          "type": "MemberExpression",
          "computed": false,
          "object": {
            "type": "Identifier",
            "name": "Object"
          },
          "property": {
            "type": "Identifier",
            "name": "keys"
          }
        },
        "arguments": [this.object]
      }, this.body).codegen();
      this.type = forInLoop.type;
      this.right = forInLoop.right;
      this.left = forInLoop.left;
      this.each = forInLoop.each;
      return this;
    };
    ForOfStatement.getNextVariableName = function() {
      if (!this.forOfIndex) {
        this.forOfIndex = 0;
      }
      return "forOf" + this.forOfIndex++;
    };
    ForOfStatement.resetVariableNames = function() {
      this.forOfIndex = 0;
    };
    exports.ForOfStatement = ForOfStatement;
  }());
  return {};
});
System.get("ForOfStatement" + '');