cCodeProfiler.h

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//
//
 
#ifndef _INC_cCodeProfiler_H
#define _INC_cCodeProfiler_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cTimeSys.h"
#include "cUnitTestDecl.h"
#include "cDebugAssert.h"
 
namespace Gray
{
        UNITTEST2_PREDEF(cCodeProfiler);
 
        class GRAYCORE_LINK cCodeProfileFunc
        {
 
                friend class cCodeProfilerControl;
 
        private:
                cDebugSourceLine m_src;         
                cTimePerf m_nTimeStart;         
 
                static bool sm_bActive;         
 
        private:
                void StopTime();
 
        public:
                cCodeProfileFunc(cDebugSourceLine src)
                        : m_src(src)    // Current source file + Current line in that file
                        , m_nTimeStart(sm_bActive)      // Cheat a little and burn off 4 instructions inside counted function time.
                {
                }
 
                ~cCodeProfileFunc()
                {
                        if (sm_bActive) // inline check for maximum speed.
                                StopTime();
                }
 
                UNITTEST_FRIEND(cCodeProfiler);
        };
 
        // cCodeProfileFunc usage requires only single declaration at beginning of function
#if 0 // defined(_DEBUG)
#define CODEPROFILEFUNC()       cCodeProfileFunc _tagPROFILE_CLASS(DEBUGSOURCELINE)
#else
#define CODEPROFILEFUNC()       __noop  // compile out profiling. Do nothing.
#endif
};
#endif