src/libmysql_std/include/my_dbug.h

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/* Copyright (C) 2000 MySQL AB

   This program 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; version 2 of the License.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef _dbug_h
#define _dbug_h

#ifdef  __cplusplus
extern "C" {
#endif
#if !defined(DBUG_OFF) && !defined(_lint)
extern  int _db_on_,_no_db_;
extern  FILE *_db_fp_;
extern  char *_db_process_;
extern  int _db_keyword_(const char *keyword);
extern  int _db_strict_keyword_(const char *keyword);
extern  void _db_setjmp_(void);
extern  void _db_longjmp_(void);
extern  void _db_push_(const char *control);
extern  void _db_pop_(void);
extern  void _db_enter_(const char *_func_,const char *_file_,uint _line_,
                        const char **_sfunc_,const char **_sfile_,
                        uint *_slevel_, char ***);
extern  void _db_return_(uint _line_,const char **_sfunc_,const char **_sfile_,
                         uint *_slevel_);
extern  void _db_pargs_(uint _line_,const char *keyword);
extern  void _db_doprnt_ _VARARGS((const char *format,...))
  ATTRIBUTE_FORMAT(printf, 1, 2);
extern  void _db_dump_(uint _line_,const char *keyword,const char *memory,
                       uint length);
extern  void _db_output_(uint flag);
extern  void _db_end_(void);
extern  void _db_lock_file(void);
extern  void _db_unlock_file(void);

#define DBUG_ENTER(a) const char *_db_func_, *_db_file_; uint _db_level_; \
        char **_db_framep_; \
        _db_enter_ (a,__FILE__,__LINE__,&_db_func_,&_db_file_,&_db_level_, \
                    &_db_framep_)
#define DBUG_LEAVE \
        (_db_return_ (__LINE__, &_db_func_, &_db_file_, &_db_level_))
#define DBUG_RETURN(a1) do {DBUG_LEAVE; return(a1);} while(0)
#define DBUG_VOID_RETURN do {DBUG_LEAVE; return;} while(0)
#define DBUG_EXECUTE(keyword,a1) \
        do {if (_db_on_) {if (_db_keyword_ (keyword)) { a1 }}} while(0)
#define DBUG_PRINT(keyword,arglist) \
        do {if (_db_on_) {_db_pargs_(__LINE__,keyword); _db_doprnt_ arglist;}} while(0)
#define DBUG_PUSH(a1) _db_push_ (a1)
#define DBUG_POP() _db_pop_ ()
#define DBUG_PROCESS(a1) (_db_process_ = a1)
#define DBUG_FILE (_db_fp_)
#define DBUG_SETJMP(a1) (_db_setjmp_ (), setjmp (a1))
#define DBUG_LONGJMP(a1,a2) (_db_longjmp_ (), longjmp (a1, a2))
#define DBUG_DUMP(keyword,a1,a2)\
        do {if (_db_on_) {_db_dump_(__LINE__,keyword,a1,a2);}} while(0)
#define DBUG_IN_USE (_db_fp_ && _db_fp_ != stderr)
#define DEBUGGER_OFF _no_db_=1;_db_on_=0;
#define DEBUGGER_ON  _no_db_=0
#define DBUG_END()  _db_end_ ()
#define DBUG_LOCK_FILE { _db_lock_file(); }
#define DBUG_UNLOCK_FILE { _db_unlock_file(); }
#define DBUG_OUTPUT(A) { _db_output_(A); }
#define DBUG_ASSERT(A) assert(A)
#define DBUG_EXECUTE_IF(keyword,a1) \
        do {if (_db_on_) {if (_db_strict_keyword_ (keyword)) { a1 }}} while(0)
#define IF_DBUG(A) A
#else                                           /* No debugger */

#define DBUG_ENTER(a1)
#define DBUG_RETURN(a1) return(a1)
#define DBUG_VOID_RETURN return
#define DBUG_EXECUTE(keyword,a1) {}
#define DBUG_EXECUTE_IF(keyword,a1) {}
#define DBUG_PRINT(keyword,arglist) {}
#define DBUG_PUSH(a1) {}
#define DBUG_POP() {}
#define DBUG_PROCESS(a1) {}
#define DBUG_FILE (stderr)
#define DBUG_SETJMP setjmp
#define DBUG_LONGJMP longjmp
#define DBUG_DUMP(keyword,a1,a2) {}
#define DBUG_IN_USE 0
#define DEBUGGER_OFF
#define DEBUGGER_ON
#define DBUG_END()
#define DBUG_LOCK_FILE
#define DBUG_UNLOCK_FILE
#define DBUG_OUTPUT(A)
#define DBUG_ASSERT(A) {}
#define DBUG_LEAVE
#define IF_DBUG(A)
#endif
#ifdef  __cplusplus
}
#endif
#endif