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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 'use strict'; |
| 6 |
| 7 |
| 8 // This file relies on the fact that the following declaration has been made |
| 9 // in runtime.js: |
| 10 // var $Set = global.Set; |
| 11 // var $Map = global.Map; |
| 12 |
| 13 |
| 14 function SetIteratorConstructor(set, kind) { |
| 15 %SetIteratorInitialize(this, set, kind); |
| 16 } |
| 17 |
| 18 |
| 19 function SetIteratorNextJS() { |
| 20 if (!IS_SET_ITERATOR(this)) { |
| 21 throw MakeTypeError('incompatible_method_receiver', |
| 22 ['Set Iterator.prototype.next', this]); |
| 23 } |
| 24 return %SetIteratorNext(this); |
| 25 } |
| 26 |
| 27 |
| 28 function SetIteratorSymbolIterator() { |
| 29 return this; |
| 30 } |
| 31 |
| 32 |
| 33 function SetEntries() { |
| 34 if (!IS_SET(this)) { |
| 35 throw MakeTypeError('incompatible_method_receiver', |
| 36 ['Set.prototype.entries', this]); |
| 37 } |
| 38 return new SetIterator(this, ITERATOR_KIND_ENTRIES); |
| 39 } |
| 40 |
| 41 |
| 42 function SetValues() { |
| 43 if (!IS_SET(this)) { |
| 44 throw MakeTypeError('incompatible_method_receiver', |
| 45 ['Set.prototype.values', this]); |
| 46 } |
| 47 return new SetIterator(this, ITERATOR_KIND_VALUES); |
| 48 } |
| 49 |
| 50 |
| 51 function SetUpSetIterator() { |
| 52 %CheckIsBootstrapping(); |
| 53 |
| 54 %SetCode(SetIterator, SetIteratorConstructor); |
| 55 %FunctionSetPrototype(SetIterator, new $Object()); |
| 56 %FunctionSetInstanceClassName(SetIterator, 'Set Iterator'); |
| 57 InstallFunctions(SetIterator.prototype, DONT_ENUM, $Array( |
| 58 'next', SetIteratorNextJS |
| 59 )); |
| 60 |
| 61 %FunctionSetName(SetIteratorSymbolIterator, '[Symbol.iterator]'); |
| 62 %SetProperty(SetIterator.prototype, InternalSymbol('Symbol.iterator'), |
| 63 SetIteratorSymbolIterator, DONT_ENUM); |
| 64 } |
| 65 |
| 66 SetUpSetIterator(); |
| 67 |
| 68 |
| 69 function ExtendSetPrototype() { |
| 70 %CheckIsBootstrapping(); |
| 71 |
| 72 InstallFunctions($Set.prototype, DONT_ENUM, $Array( |
| 73 'entries', SetEntries, |
| 74 'values', SetValues |
| 75 )); |
| 76 |
| 77 %SetProperty($Set.prototype, InternalSymbol('Symbol.iterator'), SetValues, |
| 78 DONT_ENUM); |
| 79 } |
| 80 |
| 81 ExtendSetPrototype(); |
| 82 |
| 83 |
| 84 |
| 85 function MapIteratorConstructor(map, kind) { |
| 86 %MapIteratorInitialize(this, map, kind); |
| 87 } |
| 88 |
| 89 |
| 90 function MapIteratorSymbolIterator() { |
| 91 return this; |
| 92 } |
| 93 |
| 94 |
| 95 function MapIteratorNextJS() { |
| 96 if (!IS_MAP_ITERATOR(this)) { |
| 97 throw MakeTypeError('incompatible_method_receiver', |
| 98 ['Map Iterator.prototype.next', this]); |
| 99 } |
| 100 return %MapIteratorNext(this); |
| 101 } |
| 102 |
| 103 |
| 104 function MapEntries() { |
| 105 if (!IS_MAP(this)) { |
| 106 throw MakeTypeError('incompatible_method_receiver', |
| 107 ['Map.prototype.entries', this]); |
| 108 } |
| 109 return new MapIterator(this, ITERATOR_KIND_ENTRIES); |
| 110 } |
| 111 |
| 112 |
| 113 function MapKeys() { |
| 114 if (!IS_MAP(this)) { |
| 115 throw MakeTypeError('incompatible_method_receiver', |
| 116 ['Map.prototype.keys', this]); |
| 117 } |
| 118 return new MapIterator(this, ITERATOR_KIND_KEYS); |
| 119 } |
| 120 |
| 121 |
| 122 function MapValues() { |
| 123 if (!IS_MAP(this)) { |
| 124 throw MakeTypeError('incompatible_method_receiver', |
| 125 ['Map.prototype.values', this]); |
| 126 } |
| 127 return new MapIterator(this, ITERATOR_KIND_VALUES); |
| 128 } |
| 129 |
| 130 |
| 131 function SetUpMapIterator() { |
| 132 %CheckIsBootstrapping(); |
| 133 |
| 134 %SetCode(MapIterator, MapIteratorConstructor); |
| 135 %FunctionSetPrototype(MapIterator, new $Object()); |
| 136 %FunctionSetInstanceClassName(MapIterator, 'Map Iterator'); |
| 137 InstallFunctions(MapIterator.prototype, DONT_ENUM, $Array( |
| 138 'next', MapIteratorNextJS |
| 139 )); |
| 140 |
| 141 %FunctionSetName(MapIteratorSymbolIterator, '[Symbol.iterator]'); |
| 142 %SetProperty(MapIterator.prototype, InternalSymbol('Symbol.iterator'), |
| 143 MapIteratorSymbolIterator, DONT_ENUM); |
| 144 } |
| 145 |
| 146 SetUpMapIterator(); |
| 147 |
| 148 |
| 149 function ExtendMapPrototype() { |
| 150 %CheckIsBootstrapping(); |
| 151 |
| 152 InstallFunctions($Map.prototype, DONT_ENUM, $Array( |
| 153 'entries', MapEntries, |
| 154 'keys', MapKeys, |
| 155 'values', MapValues |
| 156 )); |
| 157 |
| 158 %SetProperty($Map.prototype, InternalSymbol('Symbol.iterator'), MapEntries, |
| 159 DONT_ENUM); |
| 160 } |
| 161 |
| 162 ExtendMapPrototype(); |
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