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/**************************************************************************
*
* Copyright 2007-2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/

/*
* Trace writing functions.
*/

#ifndef _TRACE_WRITER_HPP_
#define _TRACE_WRITER_HPP_


#include <stddef.h>

#include <vector>

#include "trace_model.hpp"


namespace trace {
    class File;

    class Writer {
    protected:
        File *m_file;
        unsigned call_no;

        std::vector<bool> functions;
        std::vector<bool> structs;
        std::vector<bool> enums;
        std::vector<bool> bitmasks;

    public:
        Writer();
        ~Writer();

        bool open(const char *filename);
        void close(void);

        unsigned beginEnter(const FunctionSig *sig, unsigned thread_id);
        void endEnter(void);

        void beginLeave(unsigned call);
        void endLeave(void);

        void beginArg(unsigned index);
        inline void endArg(void) {}

        void beginReturn(void);
        inline void endReturn(void) {}

        void beginArray(size_t length);
        inline void endArray(void) {}

        inline void beginElement(void) {}
        inline void endElement(void) {}

        void beginStruct(const StructSig *sig);
        inline void endStruct(void) {}

        void beginRepr(void);
        inline void endRepr(void) {}

        void writeBool(bool value);
        void writeSInt(signed long long value);
        void writeUInt(unsigned long long value);
        void writeFloat(float value);
        void writeDouble(double value);
        void writeString(const char *str);
        void writeString(const char *str, size_t size);
        void writeWString(const wchar_t *str);
        void writeBlob(const void *data, size_t size);
        void writeEnum(const EnumSig *sig, signed long long value);
        void writeBitmask(const BitmaskSig *sig, unsigned long long value);
        void writeNull(void);
        void writePointer(unsigned long long addr);

        void writeCall(Call *call);

    protected:
        void inline _write(const void *sBuffer, size_t dwBytesToWrite);
        void inline _writeByte(char c);
        void inline _writeUInt(unsigned long long value);
        void inline _writeFloat(float value);
        void inline _writeDouble(double value);
        void inline _writeString(const char *str);

    };

} /* namespace trace */

#endif /* _TRACE_WRITER_HPP_ */
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