"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _index = require("./index.js");

var _completions = require("../completions.js");

var _singletons = require("../singletons.js");

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * Copyright (c) 2017-present, Facebook, Inc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * All rights reserved.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * This source code is licensed under the BSD-style license found in the
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * LICENSE file in the root directory of this source tree. An additional grant
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * of patent rights can be found in the PATENTS file in the same directory.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */

/* Built-in Function Objects */
var NativeFunctionValue = function (_ECMAScriptFunctionVa) {
  _inherits(NativeFunctionValue, _ECMAScriptFunctionVa);

  function NativeFunctionValue(realm, intrinsicName, name, length, callback) {
    var constructor = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : true;

    _classCallCheck(this, NativeFunctionValue);

    var _this = _possibleConstructorReturn(this, (NativeFunctionValue.__proto__ || Object.getPrototypeOf(NativeFunctionValue)).call(this, realm, intrinsicName));

    _this.$ThisMode = "strict";
    _this.$HomeObject = undefined;
    _this.$FunctionKind = "normal";

    _this.$Call = function (thisArgument, argsList) {
      return _singletons.Functions.$Call(_this.$Realm, _this, thisArgument, argsList);
    };

    if (constructor) {
      _this.$ConstructorKind = "base";
      _this.$Construct = function (argumentsList, newTarget) {
        return _singletons.Functions.$Construct(_this.$Realm, _this, argumentsList, newTarget);
      };
    }

    _this.$Environment = realm.$GlobalEnv;

    _this.callback = callback;
    _this.length = length;

    _this.$DefineOwnProperty("length", {
      value: new _index.NumberValue(realm, length),
      writable: false,
      configurable: true,
      enumerable: false
    });

    if (name) {
      if (name instanceof _index.SymbolValue) {
        _this.name = name.$Description ? "[" + name.$Description.throwIfNotConcreteString().value + "]" : "[native]";
      } else {
        _this.name = name;
      }
      _this.$DefineOwnProperty("name", {
        value: new _index.StringValue(realm, _this.name),
        writable: false,
        configurable: true,
        enumerable: false
      });
    } else {
      _this.name = "native";
    }
    return _this;
  }

  _createClass(NativeFunctionValue, [{
    key: "getTrackedPropertyNames",
    value: function getTrackedPropertyNames() {
      return NativeFunctionValue.trackedPropertyNames;
    }
  }, {
    key: "hasDefaultLength",
    value: function hasDefaultLength() {
      return this.getLength() === this.length;
    }
  }, {
    key: "getName",


    // Override.
    value: function getName() {
      return this.name;
    }
  }, {
    key: "callCallback",
    value: function callCallback(context, argsList, newTarget) {
      var originalLength = argsList.length;
      for (var i = 0; i < this.length; i++) {
        argsList[i] = argsList[i] || this.$Realm.intrinsics.undefined;
      }
      return new _completions.ReturnCompletion(this.callback(context, argsList, originalLength, newTarget), this.$Realm.currentLocation);
    }

    // for Proxy

  }]);

  return NativeFunctionValue;
}(_index.ECMAScriptFunctionValue);

NativeFunctionValue.trackedPropertyNames = _index.ObjectValue.trackedPropertyNames.concat("$RevocableProxy");
exports.default = NativeFunctionValue;
//# sourceMappingURL=NativeFunctionValue.js.map