chromium/third_party/angle/src/compiler/translator/PoolAlloc.h

//
// Copyright 2002 The ANGLE 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 COMPILER_TRANSLATOR_POOLALLOC_H_
#define COMPILER_TRANSLATOR_POOLALLOC_H_

//
// This header defines the pool_allocator class that allows STL containers
// to use the angle::PoolAllocator class by using the pool_allocator
// class as the allocator (second) template argument.
//
// It also defines functions for managing the GlobalPoolAllocator used by the compiler.
//

#include <stddef.h>
#include <string.h>
#include <vector>

#include "common/PoolAlloc.h"

//
// There could potentially be many pools with pops happening at
// different times.  But a simple use is to have a global pop
// with everyone using the same global allocator.
//
extern angle::PoolAllocator *GetGlobalPoolAllocator();
extern void SetGlobalPoolAllocator(angle::PoolAllocator *poolAllocator);

//
// This STL compatible allocator is intended to be used as the allocator
// parameter to templatized STL containers, like vector and map.
//
// It will use the pools for allocation, and not
// do any deallocation, but will still do destruction.
//
template <class T>
class pool_allocator
{ … };

#endif  // COMPILER_TRANSLATOR_POOLALLOC_H_