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| 1 // Copyright 2007-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2009 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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| 445 static internal::Object** CreateHandle(internal::Object* value); | 445 static internal::Object** CreateHandle(internal::Object* value); |
| 446 | 446 |
| 447 private: | 447 private: |
| 448 // Make it impossible to create heap-allocated or illegal handle | 448 // Make it impossible to create heap-allocated or illegal handle |
| 449 // scopes by disallowing certain operations. | 449 // scopes by disallowing certain operations. |
| 450 HandleScope(const HandleScope&); | 450 HandleScope(const HandleScope&); |
| 451 void operator=(const HandleScope&); | 451 void operator=(const HandleScope&); |
| 452 void* operator new(size_t size); | 452 void* operator new(size_t size); |
| 453 void operator delete(void*, size_t); | 453 void operator delete(void*, size_t); |
| 454 | 454 |
| 455 // This Data class is accessible internally through a typedef in the | 455 // This Data class is accessible internally as HandleScopeData through a |
| 456 // ImplementationUtilities class. | 456 // typedef in the ImplementationUtilities class. |
| 457 class V8EXPORT Data { | 457 class V8EXPORT Data { |
| 458 public: | 458 public: |
| 459 int extensions; | 459 int extensions; |
| 460 internal::Object** next; | 460 internal::Object** next; |
| 461 internal::Object** limit; | 461 internal::Object** limit; |
| 462 inline void Initialize() { | 462 inline void Initialize() { |
| 463 extensions = -1; | 463 extensions = -1; |
| 464 next = limit = NULL; | 464 next = limit = NULL; |
| 465 } | 465 } |
| 466 }; | 466 }; |
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| 3194 | 3194 |
| 3195 } // namespace v8 | 3195 } // namespace v8 |
| 3196 | 3196 |
| 3197 | 3197 |
| 3198 #undef V8EXPORT | 3198 #undef V8EXPORT |
| 3199 #undef V8EXPORT_INLINE | 3199 #undef V8EXPORT_INLINE |
| 3200 #undef TYPE_CHECK | 3200 #undef TYPE_CHECK |
| 3201 | 3201 |
| 3202 | 3202 |
| 3203 #endif // V8_H_ | 3203 #endif // V8_H_ |
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