2004-08-28 23:17:46 +00:00
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/* $Id: error.h,v 1.12 2004-08-28 23:17:45 schaffner Exp $ */
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2001-01-19 03:30:16 +00:00
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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2003-01-15 02:42:41 +00:00
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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2001-01-19 03:30:16 +00:00
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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2003-04-12 00:11:46 +00:00
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2001-01-19 03:30:16 +00:00
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/*
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*
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* Header for error handling/printing/exiting code
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*
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*/
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2001-01-22 15:49:15 +00:00
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#ifndef _ERROR_H
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#define _ERROR_H
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#include <stdio.h>
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2001-01-19 03:30:16 +00:00
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#ifdef __GNUC__
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#define __noreturn __attribute__ ((noreturn))
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#define __format __attribute__ ((format (printf, 1, 2)))
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#else
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#define __noreturn
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#define __format
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#endif
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2003-04-08 00:59:17 +00:00
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int error_init(void (*func)(char *), char *fmt,...); //init error system, set default message, returns 0=ok
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2001-01-19 03:30:16 +00:00
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void set_exit_message(char *fmt,...); //specify message to print at exit
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void Warning(char *fmt,...); //print out warning message to user
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void set_warn_func(void (*f)(char *s));//specifies the function to call with warning messages
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void clear_warn_func(void (*f)(char *s));//say this function no longer valid
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void _Assert(int expr,char *expr_text,char *filename,int linenum); //assert func
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void Error(char *fmt,...) __noreturn __format; //exit with error code=1, print message
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void Assert(int expr);
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void Int3();
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#ifndef NDEBUG //macros for debugging
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#ifdef NO_ASM
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2004-08-06 21:28:27 +00:00
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# if defined(__APPLE__) || defined(macintosh)
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extern void Debugger(void); // Avoids some name clashes
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# define Int3 Debugger
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# else
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2003-11-26 12:26:36 +00:00
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//# define Int3() Error("int 3 %s:%i\n",__FILE__,__LINE__);
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//# define Int3() {volatile int a=0,b=1/a;}
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2004-08-06 21:28:27 +00:00
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# define Int3() ((void)0)
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# endif // Macintosh
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2003-11-26 12:26:36 +00:00
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#else // NO_ASM
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#ifdef __GNUC__
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2001-11-14 10:51:04 +00:00
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#ifdef SDL_INPUT
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2003-01-15 02:42:41 +00:00
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#include <SDL.h>
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2002-01-18 07:00:59 +00:00
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#endif
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2001-11-14 10:51:04 +00:00
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#include "args.h"
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static inline void _Int3()
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{
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2002-01-18 07:00:59 +00:00
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if (FindArg("-debug")) {
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#ifdef SDL_INPUT
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SDL_WM_GrabInput(SDL_GRAB_OFF);
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#endif
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asm("int $3");
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}
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2001-11-14 10:51:04 +00:00
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}
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#define Int3() _Int3()
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2001-01-19 03:30:16 +00:00
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#elif defined __WATCOMC__
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void Int3(void); //generate int3
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#pragma aux Int3 = "int 3h";
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2003-11-26 12:26:36 +00:00
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2001-01-19 03:30:16 +00:00
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#elif defined _MSC_VER
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2003-11-26 12:26:36 +00:00
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static __inline void _Int3()
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{
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__asm { int 3 }
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}
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#define Int3() _Int3()
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2001-01-19 03:30:16 +00:00
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#else
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#error Unknown Compiler!
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#endif
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2003-11-26 12:26:36 +00:00
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#endif // NO_ASM
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2001-01-19 03:30:16 +00:00
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#define Assert(expr) ((expr)?(void)0:(void)_Assert(0,#expr,__FILE__,__LINE__))
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#ifdef __GNUC__
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//#define Error(format, args...) ({ /*Int3();*/ Error(format , ## args); })
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#elif defined __WATCOMC__
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//make error do int3, then call func
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#pragma aux Error aborts = \
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"int 3" \
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"jmp Error";
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//#pragma aux Error aborts;
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#else
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// DPH: I'm not going to bother... it's not needed... :-)
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#endif
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#ifdef __WATCOMC__
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//make assert do int3 (if expr false), then call func
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#pragma aux _Assert parm [eax] [edx] [ebx] [ecx] = \
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"test eax,eax" \
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"jnz no_int3" \
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"int 3" \
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"no_int3:" \
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"call _Assert";
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#endif
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#else //macros for real game
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#ifdef __WATCOMC__
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#pragma aux Error aborts;
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#endif
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//Changed Assert and Int3 because I couldn't get the macros to compile -KRB
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#define Assert(__ignore) ((void)0)
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//void Assert(int expr);
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#define Int3() ((void)0)
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//void Int3();
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#endif
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2001-01-22 15:49:15 +00:00
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#endif /* _ERROR_H */
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