windows-nt/Source/XPSP1/NT/base/crts/crtw32/h/ehassert.h
2020-09-26 16:20:57 +08:00

138 lines
4.9 KiB
C

/***
*ehassert.h - our own little versions of the assert macros.
*
* Copyright (c) 1993-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Versions of the assert macros for exception handling.
*
* [Internal]
*
*Revision History:
* 09-02-94 SKS This header file added.
* 12-15-94 XY merged with mac header
* 02-14-95 CFW Clean up Mac merge.
* 03-29-95 CFW Add error message to internal headers.
* 04-13-95 DAK Add NT Kernel EH support
* 12-14-95 JWM Add "#pragma once".
* 02-24-97 GJF Detab-ed.
* 05-17-99 PML Remove all Macintosh support.
* 10-22-99 PML Add EHTRACE support
*
****/
#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
#pragma once
#endif
#ifndef _INC_EHASSERT
#define _INC_EHASSERT
#ifndef _CRTBLD
/*
* This is an internal C runtime header file. It is used when building
* the C runtimes only. It is not to be used as a public header file.
*/
#error ERROR: Use of C runtime library internal header file.
#endif /* _CRTBLD */
#include <windows.h>
#ifdef DEBUG
#include <stdio.h>
#include <stdlib.h>
int __cdecl dprintf( char *, ... );
#ifdef _NTSUBSET_
#define DASSERT(c) ((c)?0: \
(DbgPrint("Runtime internal error (%s, line %d)", __FILE__, __LINE__),\
terminate()))
#define DEXPECT(c) ((c)?0: \
DbgPrint("Runtime internal error suspected (%s, line %d)", __FILE__, __LINE__))
#else /* _NTSUBSET_ */
#define DASSERT(c) ((c)?0: \
(printf("Runtime internal error (%s, line %d)", __FILE__, __LINE__),\
terminate()))
#define DEXPECT(c) ((c)?0: \
printf("Runtime internal error suspected (%s, line %d)", __FILE__, __LINE__))
#endif /* _NTSUBSET_ */
#else
// Disable dprintf output
#define dprintf
#define DASSERT(c) ((c)?0:_inconsistency())
#define DEXPECT(c) (c)
#endif
#define CHECKPTR(p) (_ValidateRead((p),sizeof(typeof(*(p))))
#define CHECKCODE(p) (_ValidateExecute( (FARPROC)(p) )
BOOL _ValidateRead( const void *data, UINT size = sizeof(char) );
BOOL _ValidateWrite( void *data, UINT size = sizeof(char) );
BOOL _ValidateExecute( FARPROC code );
#if defined(ENABLE_EHTRACE) && (_MSC_VER >= 1300)
// Warning: EH tracing can only be used in a single thread because this tracing
// level global is not per-thread.
extern int __ehtrace_level;
void __cdecl EHTraceOutput(const char *format, ...);
const char * EHTraceIndent(int level);
const char * EHTraceFunc(const char *func);
void EHTracePushLevel(int new_level);
void EHTracePopLevel(bool restore);
int EHTraceExceptFilter(const char *func, int expr);
void EHTraceHandlerReturn(const char *func, int level, EXCEPTION_DISPOSITION result);
#define EHTRACE_INIT int __ehtrace_local_level; __ehtrace_local_level = ++__ehtrace_level
#define EHTRACE_RESET __ehtrace_level = 0
#define EHTRACE_SAVE_LEVEL EHTracePushLevel(__ehtrace_local_level)
#define EHTRACE_RESTORE_LEVEL(x) EHTracePopLevel(x)
#define EHTRACE_ENTER EHTRACE_INIT; \
EHTraceOutput( "Enter: %s%s\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__) )
#define EHTRACE_ENTER_MSG(x) EHTRACE_INIT; \
EHTraceOutput( "Enter: %s%s: %s\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), x )
#define EHTRACE_ENTER_FMT1(x,y) EHTRACE_INIT; \
EHTraceOutput( "Enter: %s%s: " x "\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), y )
#define EHTRACE_ENTER_FMT2(x,y,z) EHTRACE_INIT; \
EHTraceOutput( "Enter: %s%s: " x "\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), y, z )
#define EHTRACE_MSG(x) EHTraceOutput( "In : %s%s: %s\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), x )
#define EHTRACE_FMT1(x,y) EHTraceOutput( "In : %s%s: " x "\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), y )
#define EHTRACE_FMT2(x,y,z) EHTraceOutput( "In : %s%s: " x "\n", EHTraceIndent(__ehtrace_local_level), EHTraceFunc(__FUNCTION__), y, z )
#define EHTRACE_EXCEPT(x) EHTRACE_SAVE_LEVEL, EHTraceExceptFilter( __FUNCTION__, x )
#define EHTRACE_EXIT --__ehtrace_level
#define EHTRACE_HANDLER_EXIT(x) EHTraceHandlerReturn( __FUNCTION__, __ehtrace_local_level, x); \
EHTRACE_EXIT
#else
#define EHTRACE_RESET
#define EHTRACE_SAVE_LEVEL
#define EHTRACE_RESTORE_LEVEL(x)
#define EHTRACE_ENTER
#define EHTRACE_ENTER_MSG(x)
#define EHTRACE_ENTER_FMT1(x,y)
#define EHTRACE_ENTER_FMT2(x,y,z)
#define EHTRACE_MSG(x)
#define EHTRACE_FMT1(x,y)
#define EHTRACE_FMT2(x,y,z)
#define EHTRACE_EXCEPT(x) (x)
#define EHTRACE_EXIT
#define EHTRACE_HANDLER_EXIT(x)
#endif /* ENABLE_EHTRACE */
#endif /* _INC_EHASSERT */