193 lines
5.4 KiB
C
193 lines
5.4 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Header file for trace macros and functions.
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*
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* Copyright 1999 Gonzalo Diethelm <gonzalo.diethelm@iname.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#ifndef HB_TRACE_H_
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#define HB_TRACE_H_
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*
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* Tracing levels.
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*/
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#define HB_TR_ALWAYS 0
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#define HB_TR_FATAL 1
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#define HB_TR_ERROR 2
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#define HB_TR_WARNING 3
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#define HB_TR_INFO 4
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#define HB_TR_DEBUG 5
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#define HB_TR_LAST 6
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/*
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* Default tracing level.
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*/
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#define HB_TR_DEFAULT HB_TR_WARNING
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/*
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* If we compiled without specifying a -DHB_TR_LEVEL, use the value
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* for HB_TR_DEFAULT.
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*/
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#ifndef HB_TR_LEVEL
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#define HB_TR_LEVEL HB_TR_DEFAULT
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#endif
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/*
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* This is black magic...
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* What we do here is to generate calls to HB_ECHO_CREATE only for those
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* levels that are less or equal to the COMPILATION time HB_TR_LEVEL.
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*/
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#define HB_ECHO_CREATE( l, x ) do \
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{ \
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if( hb_tr_level() >= l ) \
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{ \
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hb_tr_file_ = __FILE__; \
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hb_tr_line_ = __LINE__; \
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hb_tr_level_ = l; \
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hb_tr_trace x ; \
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} \
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} while( 0 )
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#if HB_TR_LEVEL >= HB_TR_DEBUG
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#define HB_ECHO_TRACE_HB_TR_DEBUG(x) HB_ECHO_CREATE(HB_TR_DEBUG, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_DEBUG(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_INFO
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#define HB_ECHO_TRACE_HB_TR_INFO(x) HB_ECHO_CREATE(HB_TR_INFO, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_INFO(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_WARNING
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#define HB_ECHO_TRACE_HB_TR_WARNING(x) HB_ECHO_CREATE(HB_TR_WARNING, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_WARNING(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_ERROR
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#define HB_ECHO_TRACE_HB_TR_ERROR(x) HB_ECHO_CREATE(HB_TR_ERROR, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_ERROR(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_FATAL
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#define HB_ECHO_TRACE_HB_TR_FATAL(x) HB_ECHO_CREATE(HB_TR_FATAL, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_FATAL(x)
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#endif
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#if 1 /* always! */
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#define HB_ECHO_TRACE_HB_TR_ALWAYS(x) HB_ECHO_CREATE(HB_TR_ALWAYS, x)
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#else
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#define HB_ECHO_TRACE_HB_TR_ALWAYS(x)
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#endif
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#define HB_TRACE(l, x) HB_ECHO_TRACE_##l(x)
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/* NOTE: This will print tracing info without changing current
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* filename/linenum information - this is usefull if we want to
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* trace the source of unreleased memory blocks
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*/
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#define HB_ECHO_STEALTH( l, x ) do \
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{ \
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if( hb_tr_level() >= l ) \
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{ \
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hb_tr_level_ = l; \
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hb_tr_trace x ; \
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} \
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} while( 0 )
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#if HB_TR_LEVEL >= HB_TR_DEBUG
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#define HB_ECHO_STEALTH_HB_TR_DEBUG(x) HB_ECHO_STEALTH(HB_TR_DEBUG, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_DEBUG(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_INFO
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#define HB_ECHO_STEALTH_HB_TR_INFO(x) HB_ECHO_STEALTH(HB_TR_INFO, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_INFO(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_WARNING
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#define HB_ECHO_STEALTH_HB_TR_WARNING(x) HB_ECHO_STEALTH(HB_TR_WARNING, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_WARNING(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_ERROR
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#define HB_ECHO_STEALTH_HB_TR_ERROR(x) HB_ECHO_STEALTH(HB_TR_ERROR, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_ERROR(x)
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#endif
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#if HB_TR_LEVEL >= HB_TR_FATAL
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#define HB_ECHO_STEALTH_HB_TR_FATAL(x) HB_ECHO_STEALTH(HB_TR_FATAL, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_FATAL(x)
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#endif
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#if 1 /* always! */
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#define HB_ECHO_STEALTH_HB_TR_ALWAYS(x) HB_ECHO_STEALTH(HB_TR_ALWAYS, x)
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#else
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#define HB_ECHO_STEALTH_HB_TR_ALWAYS(x)
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#endif
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/* NOTE: This will print tracing info without changing current
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* filename/linenum information
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*/
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#define HB_TRACE_STEALTH(l, x) HB_ECHO_STEALTH_##l(x)
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extern char * hb_tr_file_;
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extern int hb_tr_line_;
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extern int hb_tr_level_;
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extern int hb_tracestate( int new_state );
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extern int hb_tracelevel( int new_level );
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extern int hb_tr_level( void );
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extern void hb_tr_trace( char * fmt, ... );
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#if defined(__cplusplus)
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}
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#endif
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#endif /* HB_TRACE_H_ */
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