mirror of
https://github.com/c-sooyoung/fold_slice.git
synced 2026-09-17 22:49:08 +09:00
61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
/*!
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* \file
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* Helper code for debug handling
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*/
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#ifndef DEBUG_HELPER
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#define DEBUG_HELPER
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/*!
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* \brief Debug functionality
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*
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* The environment variable PTYCHO_READ_DEBUG gives the name of the debug log file
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*/
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namespace debug {
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extern std::unique_ptr<std::ofstream> out; //!< pointer to debug file
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/*!
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* \brief Check debug output stream
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* \return true if stream is operational, otherwise false
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*/
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inline bool check_out()
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{
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if (out.get())
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return out.get()->good();
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return false;
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}
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/*!
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* \brief Initialize debug output stream
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*/
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inline void debug_init()
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{
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out.reset(nullptr);
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const char *fname = std::getenv("PTYCHO_READ_DEBUG");
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if (fname) {
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out.reset(new std::ofstream(fname, std::ios::app));
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if (! out.get()->good())
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out.reset(nullptr);
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}
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}
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}
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/*!
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* \brief Initialize debug stream
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*/
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#define DEBUG_INIT debug::debug_init()
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/*!
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* \brief Start debug code block
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* Only access the debug stream inside such a block
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*/
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#define DEBUG if (debug::check_out())
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/*!
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* \brief Access debug output stream
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* \return debug output stream reference
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*/
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#define OUT (*debug::out.get())
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#endif
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