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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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|  4428  |  4428  | 
|  4429  |  4429  | 
|  4430 static void* ExternalValue(i::Object* obj) { |  4430 static void* ExternalValue(i::Object* obj) { | 
|  4431   // Obscure semantics for undefined, but somehow checked in our unit tests... |  4431   // Obscure semantics for undefined, but somehow checked in our unit tests... | 
|  4432   if (obj->IsUndefined()) return NULL; |  4432   if (obj->IsUndefined()) return NULL; | 
|  4433   i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0); |  4433   i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0); | 
|  4434   return i::Foreign::cast(foreign)->foreign_address(); |  4434   return i::Foreign::cast(foreign)->foreign_address(); | 
|  4435 } |  4435 } | 
|  4436  |  4436  | 
|  4437  |  4437  | 
|  4438 void* Object::GetPointerFromInternalField(int index) { |  | 
|  4439   i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |  | 
|  4440   const char* location = "v8::Object::GetPointerFromInternalField()"; |  | 
|  4441   if (!InternalFieldOK(obj, index, location)) return NULL; |  | 
|  4442   return ExternalValue(obj->GetInternalField(index)); |  | 
|  4443 } |  | 
|  4444  |  | 
|  4445  |  | 
|  4446 // --- E n v i r o n m e n t --- |  4438 // --- E n v i r o n m e n t --- | 
|  4447  |  4439  | 
|  4448  |  4440  | 
|  4449 bool v8::V8::Initialize() { |  4441 bool v8::V8::Initialize() { | 
|  4450   i::Isolate* isolate = i::Isolate::UncheckedCurrent(); |  4442   i::Isolate* isolate = i::Isolate::UncheckedCurrent(); | 
|  4451   if (isolate != NULL && isolate->IsInitialized()) { |  4443   if (isolate != NULL && isolate->IsInitialized()) { | 
|  4452     return true; |  4444     return true; | 
|  4453   } |  4445   } | 
|  4454   return InitializeHelper(); |  4446   return InitializeHelper(); | 
|  4455 } |  4447 } | 
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|  6775  |  6767  | 
|  6776   v->VisitPointers(blocks_.first(), first_block_limit_); |  6768   v->VisitPointers(blocks_.first(), first_block_limit_); | 
|  6777  |  6769  | 
|  6778   for (int i = 1; i < blocks_.length(); i++) { |  6770   for (int i = 1; i < blocks_.length(); i++) { | 
|  6779     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]); |  6771     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]); | 
|  6780   } |  6772   } | 
|  6781 } |  6773 } | 
|  6782  |  6774  | 
|  6783  |  6775  | 
|  6784 } }  // namespace v8::internal |  6776 } }  // namespace v8::internal | 
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