61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
		
		
			
		
	
	
			61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
|  | // Copyright (c) 2016-2018 Kiwano - Nomango
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|  | //
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|  | // Permission is hereby granted, free of charge, to any person obtaining a copy
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|  | // of this software and associated documentation files (the "Software"), to deal
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|  | // in the Software without restriction, including without limitation the rights
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|  | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  | // copies of the Software, and to permit persons to whom the Software is
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|  | // furnished to do so, subject to the following conditions:
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|  | //
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|  | // The above copyright notice and this permission notice shall be included in
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|  | // all copies or substantial portions of the Software.
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|  | //
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|  | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  | // THE SOFTWARE.
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|  | 
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|  | #include "Tool/Allocator.h"
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|  | 
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|  | namespace memory | ||
|  | { | ||
|  |     MemoryAllocator *current_allocator_ = nullptr; | ||
|  | 
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|  |     MemoryAllocator *GetGlobalAllocator() | ||
|  |     { | ||
|  |         class GlobalAllocator : public MemoryAllocator | ||
|  |         { | ||
|  |         public: | ||
|  |             virtual void *Alloc(size_t size) override | ||
|  |             { | ||
|  |                 return ::operator new(size); | ||
|  |             } | ||
|  | 
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|  |             virtual void Free(void *ptr) override | ||
|  |             { | ||
|  |                 ::operator delete(ptr); | ||
|  |             } | ||
|  |         }; | ||
|  | 
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|  |         static GlobalAllocator global_allocator; | ||
|  |         return &global_allocator; | ||
|  |     } | ||
|  | 
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|  |     MemoryAllocator *GetAllocator() | ||
|  |     { | ||
|  |         if (!current_allocator_) | ||
|  |         { | ||
|  |             current_allocator_ = GetGlobalAllocator(); | ||
|  |         } | ||
|  |         return current_allocator_; | ||
|  |     } | ||
|  | 
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|  |     void SetAllocator(MemoryAllocator *allocator) | ||
|  |     { | ||
|  |         current_allocator_ = allocator; | ||
|  |     } | ||
|  | 
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|  | } // namespace memory
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