//-------------------------------------------------------------------------------------------------------

// Copyright (C) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.

//-------------------------------------------------------------------------------------------------------

#pragma once

#define NativeCodeDataNew(alloc, T, ...) AllocatorNew(NativeCodeData::Allocator, alloc, T, __VA_ARGS__)

#define NativeCodeDataNewZ(alloc, T, ...) AllocatorNewZ(NativeCodeData::Allocator, alloc, T, __VA_ARGS__)

#define NativeCodeDataNewArray(alloc, T, count) AllocatorNewArray(NativeCodeData::Allocator, alloc, T, count)

#define NativeCodeDataNewArrayZ(alloc, T, count) AllocatorNewArrayZ(NativeCodeData::Allocator, alloc, T, count)

struct CodeGenAllocators;

class NativeCodeData

{

private:

struct DataChunk

{

DataChunk * next;

char data[0];

};

NativeCodeData(DataChunk * chunkList);

DataChunk * chunkList;

#ifdef PERF_COUNTERS

size_t size;

#endif

static void DeleteChunkList(DataChunk * chunkList);

public:

class Allocator

{

public:

static const bool FakeZeroLengthArray = false;

Allocator();

~Allocator();

char * Alloc(size_t requestedBytes);

char * AllocZero(size_t requestedBytes);

NativeCodeData * Finalize();

void Free(void * buffer, size_t byteSize);

#ifdef TRACK_ALLOC

// Doesn't support tracking information, dummy implementation

Allocator * TrackAllocInfo(TrackAllocData const& data) { return this; }

void ClearTrackAllocInfo(TrackAllocData* data = NULL) {}

#endif

private:

DataChunk * chunkList;

#if DBG

bool finalized;

#endif

#ifdef PERF_COUNTERS

size_t size;

#endif

};

~NativeCodeData();

};