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1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 "use strict"; | 5 "use strict"; |
6 | 6 |
7 | 7 |
8 // This file relies on the fact that the following declaration has been made | 8 // This file relies on the fact that the following declaration has been made |
9 // in runtime.js: | 9 // in runtime.js: |
10 // var $Set = global.Set; | 10 // var $Set = global.Set; |
11 // var $Map = global.Map; | 11 // var $Map = global.Map; |
12 | 12 |
13 | 13 |
14 function SetIteratorConstructor(set, kind) { | 14 function SetIteratorConstructor(set, kind) { |
15 %SetIteratorInitialize(this, set, kind); | 15 %SetIteratorInitialize(this, set, kind); |
16 } | 16 } |
17 | 17 |
18 | 18 |
19 function SetIteratorNextJS() { | 19 function SetIteratorNextJS() { |
20 if (!IS_SET_ITERATOR(this)) { | 20 if (!IS_SET_ITERATOR(this)) { |
21 throw MakeTypeError(kIncompatibleMethodReceiver, | 21 throw MakeTypeError('incompatible_method_receiver', |
22 'Set Iterator.prototype.next', this); | 22 ['Set Iterator.prototype.next', this]); |
23 } | 23 } |
24 | 24 |
25 var value_array = [UNDEFINED, UNDEFINED]; | 25 var value_array = [UNDEFINED, UNDEFINED]; |
26 var entry = {value: value_array, done: false}; | 26 var entry = {value: value_array, done: false}; |
27 switch (%SetIteratorNext(this, value_array)) { | 27 switch (%SetIteratorNext(this, value_array)) { |
28 case 0: | 28 case 0: |
29 entry.value = UNDEFINED; | 29 entry.value = UNDEFINED; |
30 entry.done = true; | 30 entry.done = true; |
31 break; | 31 break; |
32 case ITERATOR_KIND_VALUES: | 32 case ITERATOR_KIND_VALUES: |
33 entry.value = value_array[0]; | 33 entry.value = value_array[0]; |
34 break; | 34 break; |
35 case ITERATOR_KIND_ENTRIES: | 35 case ITERATOR_KIND_ENTRIES: |
36 value_array[1] = value_array[0]; | 36 value_array[1] = value_array[0]; |
37 break; | 37 break; |
38 } | 38 } |
39 | 39 |
40 return entry; | 40 return entry; |
41 } | 41 } |
42 | 42 |
43 | 43 |
44 function SetIteratorSymbolIterator() { | 44 function SetIteratorSymbolIterator() { |
45 return this; | 45 return this; |
46 } | 46 } |
47 | 47 |
48 | 48 |
49 function SetEntries() { | 49 function SetEntries() { |
50 if (!IS_SET(this)) { | 50 if (!IS_SET(this)) { |
51 throw MakeTypeError(kIncompatibleMethodReceiver, | 51 throw MakeTypeError('incompatible_method_receiver', |
52 'Set.prototype.entries', this); | 52 ['Set.prototype.entries', this]); |
53 } | 53 } |
54 return new SetIterator(this, ITERATOR_KIND_ENTRIES); | 54 return new SetIterator(this, ITERATOR_KIND_ENTRIES); |
55 } | 55 } |
56 | 56 |
57 | 57 |
58 function SetValues() { | 58 function SetValues() { |
59 if (!IS_SET(this)) { | 59 if (!IS_SET(this)) { |
60 throw MakeTypeError(kIncompatibleMethodReceiver, | 60 throw MakeTypeError('incompatible_method_receiver', |
61 'Set.prototype.values', this); | 61 ['Set.prototype.values', this]); |
62 } | 62 } |
63 return new SetIterator(this, ITERATOR_KIND_VALUES); | 63 return new SetIterator(this, ITERATOR_KIND_VALUES); |
64 } | 64 } |
65 | 65 |
66 | 66 |
67 function SetUpSetIterator() { | 67 function SetUpSetIterator() { |
68 %CheckIsBootstrapping(); | 68 %CheckIsBootstrapping(); |
69 | 69 |
70 %SetCode(SetIterator, SetIteratorConstructor); | 70 %SetCode(SetIterator, SetIteratorConstructor); |
71 %FunctionSetPrototype(SetIterator, new $Object()); | 71 %FunctionSetPrototype(SetIterator, new $Object()); |
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105 } | 105 } |
106 | 106 |
107 | 107 |
108 function MapIteratorSymbolIterator() { | 108 function MapIteratorSymbolIterator() { |
109 return this; | 109 return this; |
110 } | 110 } |
111 | 111 |
112 | 112 |
113 function MapIteratorNextJS() { | 113 function MapIteratorNextJS() { |
114 if (!IS_MAP_ITERATOR(this)) { | 114 if (!IS_MAP_ITERATOR(this)) { |
115 throw MakeTypeError(kIncompatibleMethodReceiver, | 115 throw MakeTypeError('incompatible_method_receiver', |
116 'Map Iterator.prototype.next', this); | 116 ['Map Iterator.prototype.next', this]); |
117 } | 117 } |
118 | 118 |
119 var value_array = [UNDEFINED, UNDEFINED]; | 119 var value_array = [UNDEFINED, UNDEFINED]; |
120 var entry = {value: value_array, done: false}; | 120 var entry = {value: value_array, done: false}; |
121 switch (%MapIteratorNext(this, value_array)) { | 121 switch (%MapIteratorNext(this, value_array)) { |
122 case 0: | 122 case 0: |
123 entry.value = UNDEFINED; | 123 entry.value = UNDEFINED; |
124 entry.done = true; | 124 entry.done = true; |
125 break; | 125 break; |
126 case ITERATOR_KIND_KEYS: | 126 case ITERATOR_KIND_KEYS: |
127 entry.value = value_array[0]; | 127 entry.value = value_array[0]; |
128 break; | 128 break; |
129 case ITERATOR_KIND_VALUES: | 129 case ITERATOR_KIND_VALUES: |
130 entry.value = value_array[1]; | 130 entry.value = value_array[1]; |
131 break; | 131 break; |
132 // ITERATOR_KIND_ENTRIES does not need any processing. | 132 // ITERATOR_KIND_ENTRIES does not need any processing. |
133 } | 133 } |
134 | 134 |
135 return entry; | 135 return entry; |
136 } | 136 } |
137 | 137 |
138 | 138 |
139 function MapEntries() { | 139 function MapEntries() { |
140 if (!IS_MAP(this)) { | 140 if (!IS_MAP(this)) { |
141 throw MakeTypeError(kIncompatibleMethodReceiver, | 141 throw MakeTypeError('incompatible_method_receiver', |
142 'Map.prototype.entries', this); | 142 ['Map.prototype.entries', this]); |
143 } | 143 } |
144 return new MapIterator(this, ITERATOR_KIND_ENTRIES); | 144 return new MapIterator(this, ITERATOR_KIND_ENTRIES); |
145 } | 145 } |
146 | 146 |
147 | 147 |
148 function MapKeys() { | 148 function MapKeys() { |
149 if (!IS_MAP(this)) { | 149 if (!IS_MAP(this)) { |
150 throw MakeTypeError(kIncompatibleMethodReceiver, | 150 throw MakeTypeError('incompatible_method_receiver', |
151 'Map.prototype.keys', this); | 151 ['Map.prototype.keys', this]); |
152 } | 152 } |
153 return new MapIterator(this, ITERATOR_KIND_KEYS); | 153 return new MapIterator(this, ITERATOR_KIND_KEYS); |
154 } | 154 } |
155 | 155 |
156 | 156 |
157 function MapValues() { | 157 function MapValues() { |
158 if (!IS_MAP(this)) { | 158 if (!IS_MAP(this)) { |
159 throw MakeTypeError(kIncompatibleMethodReceiver, | 159 throw MakeTypeError('incompatible_method_receiver', |
160 'Map.prototype.values', this); | 160 ['Map.prototype.values', this]); |
161 } | 161 } |
162 return new MapIterator(this, ITERATOR_KIND_VALUES); | 162 return new MapIterator(this, ITERATOR_KIND_VALUES); |
163 } | 163 } |
164 | 164 |
165 | 165 |
166 function SetUpMapIterator() { | 166 function SetUpMapIterator() { |
167 %CheckIsBootstrapping(); | 167 %CheckIsBootstrapping(); |
168 | 168 |
169 %SetCode(MapIterator, MapIteratorConstructor); | 169 %SetCode(MapIterator, MapIteratorConstructor); |
170 %FunctionSetPrototype(MapIterator, new $Object()); | 170 %FunctionSetPrototype(MapIterator, new $Object()); |
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189 InstallFunctions($Map.prototype, DONT_ENUM, [ | 189 InstallFunctions($Map.prototype, DONT_ENUM, [ |
190 'entries', MapEntries, | 190 'entries', MapEntries, |
191 'keys', MapKeys, | 191 'keys', MapKeys, |
192 'values', MapValues | 192 'values', MapValues |
193 ]); | 193 ]); |
194 | 194 |
195 %AddNamedProperty($Map.prototype, symbolIterator, MapEntries, DONT_ENUM); | 195 %AddNamedProperty($Map.prototype, symbolIterator, MapEntries, DONT_ENUM); |
196 } | 196 } |
197 | 197 |
198 ExtendMapPrototype(); | 198 ExtendMapPrototype(); |
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