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