69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/**
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* @file debug.h
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* @author Nat Goodspeed
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* @date 2009-05-28
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* @brief Debug output for unit test code
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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* Copyright (c) 2009, Linden Research, Inc.
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* $/LicenseInfo$
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*/
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#if ! defined(LL_DEBUG_H)
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#define LL_DEBUG_H
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#include <iostream>
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/*****************************************************************************
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* Debugging stuff
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*****************************************************************************/
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// This class is intended to illuminate entry to a given block, exit from the
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// same block and checkpoints along the way. It also provides a convenient
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// place to turn std::cout output on and off.
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class Debug
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{
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public:
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Debug(const std::string& block):
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mBlock(block)
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{
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(*this)("entry");
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}
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~Debug()
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{
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(*this)("exit");
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}
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void operator()(const std::string& status)
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{
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#if defined(DEBUG_ON)
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std::cout << mBlock << ' ' << status << std::endl;
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#endif
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}
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private:
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const std::string mBlock;
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};
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// It's often convenient to use the name of the enclosing function as the name
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// of the Debug block.
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#define DEBUG Debug debug(__FUNCTION__)
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// These BEGIN/END macros are specifically for debugging output -- please
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// don't assume you must use such for coroutines in general! They only help to
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// make control flow (as well as exception exits) explicit.
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#define BEGIN \
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{ \
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DEBUG; \
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try
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#define END \
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catch (...) \
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{ \
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debug("*** exceptional "); \
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throw; \
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} \
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}
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#endif /* ! defined(LL_DEBUG_H) */
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