| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_HANDLES_LOCAL_HANDLES_H_ |
| #define V8_HANDLES_LOCAL_HANDLES_H_ |
| |
| #include "include/v8-internal.h" |
| #include "src/base/functional.h" |
| #include "src/base/macros.h" |
| #include "src/handles/handles.h" |
| #include "src/heap/local-heap.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class RootVisitor; |
| |
| class LocalHandles { |
| public: |
| LocalHandles(); |
| |
| void Iterate(RootVisitor* visitor); |
| |
| private: |
| HandleScopeData scope_; |
| std::vector<Address*> blocks_; |
| |
| V8_EXPORT_PRIVATE Address* AddBlock(); |
| V8_EXPORT_PRIVATE void RemoveBlocks(); |
| |
| friend class LocalHandleScope; |
| }; |
| |
| class LocalHandleScope { |
| public: |
| explicit inline LocalHandleScope(LocalHeap* local_heap); |
| inline ~LocalHandleScope(); |
| |
| V8_INLINE static Address* GetHandle(LocalHeap* local_heap, Address value); |
| |
| private: |
| // Prevent heap allocation or illegal handle scopes. |
| void* operator new(size_t size); |
| void operator delete(void* size_t); |
| |
| LocalHeap* local_heap_; |
| Address* prev_limit_; |
| Address* prev_next_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LocalHandleScope); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_HANDLES_LOCAL_HANDLES_H_ |