#pragma once

// TortoiseSVN - a Windows shell extension for easy version control

// Copyright (C) 2009, 2014, 2021 - TortoiseSVN

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//

//////////////////////////////////////////////////////////////////////
// required includes
//////////////////////////////////////////////////////////////////////

#include "HighResClock.h"

/**
* RAII class that encapsulates a single execution of a profiled block / line.
* Writes the results to TSVN's OutputDebugString wrapper.
*/

class CSVNTrace
{
private:
    /// global instance counter

    static volatile LONG counter;

    /// used to measure the execution time until \ref Stop() gets called

    CHighResClock clock;

    /// value of \ref counter upon construction,
    /// i.e. unique call number

    LONG id;

    /// thread identifier

    DWORD threadID;

public:
    /// construction: write call description to ODS and start clock

    CSVNTrace(const wchar_t* name,             ///< name of the calling function
              int            lineNo,           ///< line number in the same source file
              const wchar_t* line,             ///< svn API call
              const char*    svnPath = nullptr ///< usually the main parameter
    );

    /// destruction: call \ref Stop, if it has not been called, yet

    ~CSVNTrace();

    /// write 'call finished' info and time taken to ODS

    void Stop();
};

/**
* Tracing macros
*/

#define SVNTRACE_CONCAT3(a, b) a##b
#define SVNTRACE_CONCAT2(a, b) SVNTRACE_CONCAT3(a, b)
#define SVNTRACE_CONCAT(a, b)  SVNTRACE_CONCAT2(a, b)

#define SVNTRACE(line, path)                                                                      \
    CSVNTrace SVNTRACE_CONCAT(__svnTrace, __LINE__)(_T(__FUNCTION__), __LINE__, _T(#line), path); \
    line;                                                                                         \
    SVNTRACE_CONCAT(__svnTrace, __LINE__).Stop();

#define SVNTRACE_BLOCK \
    CSVNTrace SVNTRACE_CONCAT(__svnTrace, __LINE__)(_T(__FUNCTION__), __LINE__, L"<whole_block>", NULL);