cc65/src/common/check.h

91 lines
4.3 KiB
C

/*****************************************************************************/
/* */
/* check.h */
/* */
/* Assert like macros */
/* */
/* */
/* */
/* (C) 1998-2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef CHECK_H
#define CHECK_H
#include "attrib.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
extern const char* MsgInternalError; /* "Internal error: " */
extern const char* MsgPrecondition; /* "Precondition violated: " */
extern const char* MsgCheckFailed; /* "Check failed: " */
extern const char* MsgProgramAborted; /* "Program aborted: " */
extern void (*CheckFailed) (const char* Msg, const char* Cond,
const char* File, unsigned Line)
attribute ((noreturn));
/* Function pointer that is called from check if the condition code is true. */
/*****************************************************************************/
/* Code */
/*****************************************************************************/
#define FAIL(s) CheckFailed (MsgInternalError, s, __FILE__, __LINE__)
/* Fail macro. Is used if something evil happens, calls checkfailed directly. */
#define ABORT(s) CheckFailed (MsgProgramAborted, s, __FILE__, __LINE__)
/* Use this one instead of FAIL if there is no internal program error but an
** error condition that is caused by the user or operating system (FAIL and
** ABORT are essentially the same but the message differs).
*/
#define PRECONDITION(c) \
((void) ((c)? 0 : (CheckFailed (MsgPrecondition, #c, __FILE__, __LINE__), 0)))
#define CHECK(c) \
((void) ((c)? 0 : (CheckFailed (MsgCheckFailed, #c, __FILE__, __LINE__), 0)))
/* End of check.h */
#endif