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debug.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * common ast debug definitions
 * include after the ast headers
 */

#ifndef _DEBUG_H
#define _DEBUG_H

#include <ast.h>
#include <error.h>

#if !defined(DEBUG) && _BLD_DEBUG
#define DEBUG           _BLD_DEBUG
#endif

#if DEBUG || _BLD_DEBUG

#define debug(x)  x
#define message(x)      do if (error_info.trace < 0) { error x; } while (0)
#define messagef(x)     do if (error_info.trace < 0) { errorf x; } while (0)

#define DEBUG_BEGTIME()       debug_elapsed(1)
#define DEBUG_GETTIME()       debug_elapsed(0)
#define DEBUG_ASSERT(p)       ((p) ? 0 : (debug_fatal(__FILE__, __LINE__),0))
#define DEBUG_COUNT(n)        ((n) += 1)
#define DEBUG_TALLY(c,n,v)    ((c) ? ((n) += (v)) : (n))
#define DEBUG_INCREASE(n)     ((n) += 1)
#define DEBUG_DECREASE(n)     ((n) -= 1)
#define DEBUG_DECLARE(t,v)    t v
#define DEBUG_SET(n,v)        ((n) = (v))
#define DEBUG_PRINT(fd,s,v)   do {char _b[1024];write(fd,_b,sfsprintf(_b,sizeof(_b),s,v));} while(0)
#define DEBUG_WRITE(fd,d,n)   write((fd),(d),(n))
#define DEBUG_TEMP(temp)      (temp) /* debugging stuff that should be removed */
#define DEBUG_BREAK           break
#define DEBUG_CONTINUE        continue
#define DEBUG_GOTO(label)     do { debug_fatal(__FILE__, __LINE__); goto label; } while(0)
#define DEBUG_RETURN(x)       do { debug_fatal(__FILE__, __LINE__); return(x); } while(0)

#else

#define debug(x)
#define message(x)
#define messagef(x)

#define DEBUG_BEGTIME()
#define DEBUG_GETTIME()
#define DEBUG_ASSERT(p)
#define DEBUG_COUNT(n)
#define DEBUG_TALLY(c,n,v)
#define DEBUG_INCREASE(n)
#define DEBUG_DECREASE(n)
#define DEBUG_DECLARE(t,v)
#define DEBUG_SET(n,v)
#define DEBUG_PRINT(fd,s,v)
#define DEBUG_WRITE(fd,d,n)
#define DEBUG_TEMP(x)
#define DEBUG_BREAK           break
#define DEBUG_CONTINUE        continue
#define DEBUG_GOTO(label)     goto label
#define DEBUG_RETURN(x)       return(x)

#endif

#ifndef BREAK
#define BREAK                 DEBUG_BREAK
#endif
#ifndef CONTINUE
#define CONTINUE        DEBUG_CONTINUE
#endif
#ifndef GOTO
#define GOTO(label)           DEBUG_GOTO(label)
#endif
#ifndef RETURN
#define RETURN(x)       DEBUG_RETURN(x)
#endif

#if _BLD_ast && defined(__EXPORT__)
#define extern          __EXPORT__
#endif

extern double           debug_elapsed(int);
extern void       debug_fatal(const char*, int);
extern void       systrace(const char*);

#undef      extern

#endif

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