90 lines
7.2 KiB
JavaScript
90 lines
7.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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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; }; }();
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var _index = require("./index.js");
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var _generator = require("../utils/generator.js");
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var _invariant = require("../invariant.js");
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var _invariant2 = _interopRequireDefault(_invariant);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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; }
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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; } /**
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* Copyright (c) 2017-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/* Abstract base class for all function objects */
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var FunctionValue = function (_ObjectValue) {
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_inherits(FunctionValue, _ObjectValue);
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function FunctionValue(realm, intrinsicName) {
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_classCallCheck(this, FunctionValue);
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var _this = _possibleConstructorReturn(this, (FunctionValue.__proto__ || Object.getPrototypeOf(FunctionValue)).call(this, realm, realm.intrinsics.FunctionPrototype, intrinsicName));
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_this.parent = realm.generator;
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return _this;
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}
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// Indicates whether this function has been referenced by a __residual call.
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// If true, the serializer will check that the function does not access any
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// identifiers defined outside of the local scope.
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// Allows for residual function with inference of parameters
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_createClass(FunctionValue, [{
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key: "getName",
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value: function getName() {
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throw new Error("Abstract method");
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}
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}, {
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key: "getKind",
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value: function getKind() {
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return "Function";
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}
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}, {
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key: "getLength",
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value: function getLength() {
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var binding = this.properties.get("length");
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(0, _invariant2.default)(binding);
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var desc = binding.descriptor;
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(0, _invariant2.default)(desc);
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var value = desc.value;
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if (!(value instanceof _index.NumberValue)) return undefined;
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return value.value;
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}
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}, {
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key: "getParent",
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value: function getParent() {
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return this.parent;
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}
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}, {
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key: "hasDefaultLength",
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value: function hasDefaultLength() {
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(0, _invariant2.default)(false, "abstract method; please override");
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}
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}]);
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return FunctionValue;
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}(_index.ObjectValue);
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exports.default = FunctionValue;
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//# sourceMappingURL=FunctionValue.js.map
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