Initial checkin

IDEHelper/Linker/BlMsf.h

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+#pragma once
+
+#include "../Beef/BfCommon.h"
+#include "BeefySysLib/FileStream.h"
+#include "BeefySysLib/util/CritSect.h"
+#include "BeefySysLib/util/WorkThread.h"
+#include "../Compiler/BfUtil.h"
+#include <queue>
+
+NS_BF_BEGIN
+
+struct BlMsfBlock
+{
+public:
+	int mIdx;
+	bool mIsUsed;
+	void* mData;	
+
+public:
+	BlMsfBlock()
+	{		
+		mIdx = -1;
+		mIsUsed = true;
+		mData = NULL;
+	}
+};
+
+class BlCodeView;
+class BlMsf;
+
+class BlMsfWorkThread : public WorkThread
+{
+public:
+	BlMsf* mMsf;
+	bool mDone;
+	CritSect mCritSect;
+	SyncEvent mWorkEvent;
+	std::deque<BlMsfBlock*> mSortedWriteBlockWorkQueue;
+	std::deque<BlMsfBlock*> mWriteBlockWorkQueue;
+	bool mSortDirty;
+
+
+public:
+	BlMsfWorkThread();
+	~BlMsfWorkThread();
+
+	virtual void Stop() override;
+	virtual void Run() override;
+
+	void Add(BlMsfBlock* block);
+};
+
+class BlMsf
+{
+public:
+	SysFileStream mFS;
+	String mFileName;
+	int mFileSize;
+	int mAllocatedFileSize;
+
+	BlCodeView* mCodeView;
+	int mBlockSize;
+
+	int mFreePageBitmapIdx; // Either 1 or 2
+
+	OwnedVector<BlMsfBlock> mBlocks;	
+
+	BlMsfWorkThread mWorkThread;
+	
+public:
+	void WriteBlock(BlMsfBlock* block);
+
+public:	
+	BlMsf();
+	~BlMsf();
+
+	bool Create(const StringImpl& fileName);
+	
+	int Alloc(bool clear = true, bool skipFPMBlocks = true);
+	void FlushBlock(int blockIdx);
+
+	void Finish(int rootBlockNum, int streamDirLen);
+};
+
+NS_BF_END