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67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/seh.h
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// Purpose: declarations for SEH (structured exceptions handling) support
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// Author: Vadim Zeitlin
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// Created: 2006-04-26
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// Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_SEH_H_
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#define _WX_MSW_SEH_H_
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#if wxUSE_ON_FATAL_EXCEPTION
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// the exception handler which should be called from the exception filter
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//
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// it calls wxApp::OnFatalException() if wxTheApp object exists
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WXDLLIMPEXP_BASE unsigned long wxGlobalSEHandler(EXCEPTION_POINTERS *pExcPtrs);
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// helper macro for wxSEH_HANDLE
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#define wxSEH_DUMMY_RETURN(rc)
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// macros which allow to avoid many #if wxUSE_ON_FATAL_EXCEPTION in the code
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// which uses them
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#define wxSEH_TRY __try
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#define wxSEH_IGNORE __except ( EXCEPTION_EXECUTE_HANDLER ) { }
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#define wxSEH_HANDLE(rc) \
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__except ( wxGlobalSEHandler(GetExceptionInformation()) ) \
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{ \
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/* use the same exit code as abort() */ \
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::ExitProcess(3); \
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\
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wxSEH_DUMMY_RETURN(rc) \
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}
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#else // wxUSE_ON_FATAL_EXCEPTION
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#define wxSEH_TRY
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#define wxSEH_IGNORE
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#define wxSEH_HANDLE(rc)
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#endif // wxUSE_ON_FATAL_EXCEPTION
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#if wxUSE_ON_FATAL_EXCEPTION && defined(__VISUALC__)
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#include <eh.h>
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// C++ exception to structured exceptions translator: we need it in order
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// to prevent VC++ from "helpfully" translating structured exceptions (such
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// as division by 0 or access violation) to C++ pseudo-exceptions
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extern void wxSETranslator(unsigned int code, EXCEPTION_POINTERS *ep);
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// This warning ("calling _set_se_translator() requires /EHa") seems to be
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// harmless with all the supported MSVC versions (up to 14.2, a.k.a. MSVS
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// 2019), i.e. SEH translator seems to work just fine without /EHa too, so
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// suppress it here as it's easier to suppress it than deal with it at
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// make/ project files level.
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#if __VISUALC__ < 2000
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#pragma warning(disable: 4535)
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#endif
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// note that the SE translator must be called wxSETranslator!
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#define DisableAutomaticSETranslator() _set_se_translator(wxSETranslator)
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#else // !__VISUALC__
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// the other compilers do nothing as stupid by default so nothing to do for
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// them
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#define DisableAutomaticSETranslator()
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#endif // __VISUALC__/!__VISUALC__
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#endif // _WX_MSW_SEH_H_
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