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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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31 var InternalObjectFreeze = $Object.freeze; | 31 var InternalObjectFreeze = $Object.freeze; |
32 | 32 |
33 var observationState = %GetObservationState(); | 33 var observationState = %GetObservationState(); |
34 if (IS_UNDEFINED(observationState.observerInfoMap)) { | 34 if (IS_UNDEFINED(observationState.observerInfoMap)) { |
35 observationState.observerInfoMap = %CreateObjectHashTable(); | 35 observationState.observerInfoMap = %CreateObjectHashTable(); |
36 observationState.objectInfoMap = %CreateObjectHashTable(); | 36 observationState.objectInfoMap = %CreateObjectHashTable(); |
37 observationState.activeObservers = new InternalArray; | 37 observationState.activeObservers = new InternalArray; |
38 observationState.observerPriority = 0; | 38 observationState.observerPriority = 0; |
39 } | 39 } |
40 | 40 |
41 function InternalObjectHashTable(table) { | 41 function InternalObjectHashTable(tableName) { |
42 this.table = table; | 42 this.tableName = tableName; |
43 } | 43 } |
44 | 44 |
45 InternalObjectHashTable.prototype = { | 45 InternalObjectHashTable.prototype = { |
46 get: function(key) { | 46 get: function(key) { |
47 return %ObjectHashTableGet(this.table, key); | 47 return %ObjectHashTableGet(observationState[this.tableName], key); |
48 }, | 48 }, |
49 set: function(key, value) { | 49 set: function(key, value) { |
50 this.table = %ObjectHashTableSet(this.table, key, value); | 50 observationState[this.tableName] = |
| 51 %ObjectHashTableSet(observationState[this.tableName], key, value); |
51 }, | 52 }, |
52 has: function(key) { | 53 has: function(key) { |
53 return %ObjectHashTableHas(this.table, key); | 54 return %ObjectHashTableHas(observationState[this.tableName], key); |
54 } | 55 } |
55 }; | 56 }; |
56 | 57 |
57 var observerInfoMap = new InternalObjectHashTable( | 58 var observerInfoMap = new InternalObjectHashTable('observerInfoMap'); |
58 observationState.observerInfoMap); | 59 var objectInfoMap = new InternalObjectHashTable('objectInfoMap'); |
59 var objectInfoMap = new InternalObjectHashTable(observationState.objectInfoMap); | |
60 | 60 |
61 function ObjectObserve(object, callback) { | 61 function ObjectObserve(object, callback) { |
62 if (!IS_SPEC_OBJECT(object)) | 62 if (!IS_SPEC_OBJECT(object)) |
63 throw MakeTypeError("observe_non_object", ["observe"]); | 63 throw MakeTypeError("observe_non_object", ["observe"]); |
64 if (!IS_SPEC_FUNCTION(callback)) | 64 if (!IS_SPEC_FUNCTION(callback)) |
65 throw MakeTypeError("observe_non_function", ["observe"]); | 65 throw MakeTypeError("observe_non_function", ["observe"]); |
66 if (InternalObjectIsFrozen(callback)) | 66 if (InternalObjectIsFrozen(callback)) |
67 throw MakeTypeError("observe_callback_frozen"); | 67 throw MakeTypeError("observe_callback_frozen"); |
68 | 68 |
69 if (!observerInfoMap.has(callback)) { | 69 if (!observerInfoMap.has(callback)) { |
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190 %CheckIsBootstrapping(); | 190 %CheckIsBootstrapping(); |
191 InstallFunctions($Object, DONT_ENUM, $Array( | 191 InstallFunctions($Object, DONT_ENUM, $Array( |
192 "deliverChangeRecords", ObjectDeliverChangeRecords, | 192 "deliverChangeRecords", ObjectDeliverChangeRecords, |
193 "notify", ObjectNotify, // TODO: Remove when getNotifier is implemented. | 193 "notify", ObjectNotify, // TODO: Remove when getNotifier is implemented. |
194 "observe", ObjectObserve, | 194 "observe", ObjectObserve, |
195 "unobserve", ObjectUnobserve | 195 "unobserve", ObjectUnobserve |
196 )); | 196 )); |
197 } | 197 } |
198 | 198 |
199 SetupObjectObserve(); | 199 SetupObjectObserve(); |
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