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/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* SOURCE: debug.hh
*
* MODULE: rasmgr/test (prelim)
*
* COMMENTS:
* - needs RMInit
*/
#ifndef DEBUG_HH
#define DEBUG_HH
/* activated through
#define DEBUG
in the target code; needs one main! */
#include <iostream>
#ifdef DEBUG
// enable trace macros
// allow output stream 'cout' to be overridden
#ifndef OSTREAM
#define OSTREAM std::cout
#endif // OSTREAM
#define INDENT ". "
// no output by default
#define DEBUG_OUTPUT_DEFAULT false
/// for C++, we declare refs as "C" to exclude them from name mangling;
/// for C it's like always
/// --- well nice, but doesn't work for now, so we set it back
#ifdef __cplusplus
# define EXTERN extern // "C"
#else
# define EXTERN extern
#endif
/// variables are allocated in the main module (i.e., the source where main() resides),
/// and referened from all other places
#ifdef DEBUG_MAIN
int indentLevel = 0;
bool debugOutput = DEBUG_OUTPUT_DEFAULT;
#else
EXTERN int indentLevel;
EXTERN bool debugOutput;
#endif // DEBUG_MAIN
/// enable/disable debug output from program
/// b == true: switch on output
/// b == false: switch off output
#define SET_OUTPUT(b) { debugOutput = b; }
/// ENTER(a): write trace line for entering a function (increases indentation)
#define ENTER(a) \
{ \
if (debugOutput) \
{ \
for (int i = 0; i < indentLevel; i++) \
OSTREAM << INDENT; \
OSTREAM << "ENTER " << a << std::endl << std::flush; \
indentLevel++; \
} \
}
/// LEAVE(a): write trace line for leaving a function (decreases indentation)
#define LEAVE(a) \
{ \
if (debugOutput) \
{ \
if (indentLevel > 0 ) \
indentLevel--; \
for (int i = 0; i < indentLevel; i++) \
OSTREAM << INDENT; \
OSTREAM << "LEAVE " << a << std::endl << std::flush; \
} \
}
/// TALK(a): write trace line from within a function (leaves indentation unchanged)
#define TALK(a) \
{ \
if (debugOutput) \
{ \
for (int i = 0; i < indentLevel; i++) \
OSTREAM << INDENT; \
OSTREAM << a << std::endl << std::flush; \
} \
}
#else
// disable all trace macros
#undef SET_OUTPUT
#undef ENTER
#undef LEAVE
#undef TALK
#define SET_OUTPUT(b) { /* SET_OUTPUT(b) */ }
#define ENTER(a) { /* ENTER(a) */ }
#define LEAVE(a) { /* LEAVE(a) */ }
#define TALK(a) { /* TALK(a) */ }
#endif // DEBUG
#endif // DEBUG_HH
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