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New syntax for PSEH. UNTESTED, any takers? It can be used like this:

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_SEH2_TRY
{
 // Code that might raise an exception
}
_SEH2_EXCEPT(FilterFunc)
{
 // Handle the exception
}
_SEH2_END;

or like this:

_SEH2_TRY
{
 // Code that might raise an exception
}
_SEH2_FINALLY(UnwindFunc)
_SEH2_END;

or even like this (but PLEASE forget I said it):

_SEH2_TRY
{
 // Code that might raise an exception
}
_SEH2_EXCEPT(FilterFunc)
{
 // Handle the exception
}
_SEH2_FINALLY(UnwindFunc)
_SEH2_END;

_SEH2_TRY
{
 // Code that might raise an exception
}
_SEH2_END;

svn path=/trunk/; revision=14338
This commit is contained in:
KJK::Hyperion
2005-03-27 00:41:31 +00:00
parent b0c5a68699
commit fde9c768e4
1 changed files with 83 additions and 0 deletions
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reactos/include/pseh/framebased.h
+83
View File
@@ -215,6 +215,89 @@ static __declspec(noreturn) __inline void __stdcall _SEHCompilerSpecificHandler
#define _SEH_LEAVE break
/* New syntax */
#define _SEH2_STATE_INIT_EXCEPT (1)
#define _SEH2_STATE_INIT_FINALLY (_SEH2_STATE_INIT_EXCEPT + 1)
#define _SEH2_STATE_BODY (_SEH2_STATE_INIT_FINALLY + 1)
#define _SEH2_STATE_HANDLER (_SEH2_STATE_BODY + 1)
#define _SEH2_STATE_DONE (_SEH2_STATE_HANDLER + 1)
#define _SEH2_TRY \
{ \
int _SEH2State; \
_SEHFilter_t _SEH2Filter; \
_SEHFinally_t _SEH2Finally; \
\
_SEHFrame_t * _SEHFrame; \
volatile _SEHPortableFrame_t * _SEHPortableFrame; \
\
for(_SEH2State = 0; _SEH2State < _SEH2_STATE_DONE; ++ _SEH2State) \
{ \
switch(_SEH2State) \
{ \
case _SEH2_STATE_BODY: \
{ \
_SEH_DECLARE_HANDLERS(_SEH2Filter, _SEH2Finally); \
\
_SEHFrame = _alloca(sizeof(_SEHFrame_t)); \
_SEHFrame->SEH_Header.SPF_Handlers = &_SEHHandlers; \
_SEHFrame->SEH_Locals = &_SEHLocals; \
\
_SEHPortableFrame = &_SEHFrame->SEH_Header; \
(void)_SEHPortableFrame; \
\
if(_SEHSetJmp(_SEHFrame->SEH_JmpBuf)) \
break; \
\
_SEHEnter(&_SEHFrame->SEH_Header);
#define _SEH2_EXCEPT(FILTER_) \
_SEHLeave(&_SEHFrame->SEH_Header); \
_SEH2State = _SEH2_STATE_DONE; \
\
break; \
} \
\
case _SEH2_STATE_INIT_EXCEPT: \
{ \
_SEH2Filter = (FILTER_); \
break; \
} \
\
case _SEH2_STATE_HANDLER: \
{ \
_SEHLeave(&_SEHFrame->SEH_Header);
#define _SEH2_FINALLY(FINALLY_) \
break; \
} \
\
case _SEH2_STATE_INIT_FINALLY: \
{ \
_SEH2Finally = (FINALLY_);
#define _SEH2_END \
break; \
} \
\
default: \
{ \
switch(state) \
{ \
case _SEH2_STATE_INIT_EXCEPT: _SEH2Filter = NULL; break; \
case _SEH2_STATE_INIT_FINALLY: _SEH2Finally = NULL; break; \
case _SEH2_STATE_HANDLER: _SEHLeave(&_SEHFrame->SEH_Header); break; \
} \
\
break; \
} \
} \
} \
\
if(_SEHHandlers.SH_Finally) \
_SEHHandlers.SH_Finally(&_SEHFrame->SEH_Header); \
}
#define _SEH_GetExceptionCode() (unsigned long)(_SEHPortableFrame->SPF_Code)
#define _SEH_GetExceptionPointers() \