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StdException.cpp
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StdException.cpp
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//////////////////////////////////////////////////////////////////////////
//
// StdException. Catches Safe Exceptions and normal exceptions alike
//
// Code based on original idea of "Martin Ziacek" on www.codeproject.com
// Exception class is now **NOT** based on any base class
//
//////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "StdException.h"
#ifndef __STDEXCEPTION_IMPL__
#define __STDEXCEPTION_IMPL__
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
// Macro to help with the display switch in GetErrorMessage()
#define CASE(seCode,errorstring) case EXCEPTION_##seCode: \
errorstring.Format(_T("Exception %s (0x%.8X) at address 0x%.8X."),_T(#seCode),EXCEPTION_##seCode,m_exceptionPointers->ExceptionRecord->ExceptionAddress); \
break;
// Setting our Safe-Exception-Translator function
// So that the C++ runtime can call and create our StdException
void
SeTranslator(UINT p_safeExceptionCode,_EXCEPTION_POINTERS* pExcPointers)
{
throw StdException(p_safeExceptionCode,pExcPointers);
}
// CTOR: Create exception from Safe-Exception
StdException::StdException(UINT p_safeExceptionCode,_EXCEPTION_POINTERS* p_exceptionPointers)
{
m_safeExceptionCode = p_safeExceptionCode;
m_exceptionPointers = p_exceptionPointers;
}
// CTOR: Create exception from another one
StdException::StdException(const StdException& p_other)
{
m_safeExceptionCode = p_other.m_safeExceptionCode;
m_exceptionPointers = p_other.m_exceptionPointers;
}
// CTOR: Create exception from static text or CString
StdException::StdException(LPCTSTR p_fault)
:m_applicationFault(p_fault)
{
}
StdException::StdException(const CString& p_fault)
:m_applicationFault(p_fault)
{
}
// CTOR: Simply create from an error code
StdException::StdException(int p_errorCode)
:m_applicationCode(p_errorCode)
{
}
StdException::StdException(int p_errorCode, const char* p_fault)
:m_applicationCode(p_errorCode)
,m_applicationFault(p_fault)
{
}
// Return the Safe-Exception code
UINT
StdException::GetSafeExceptionCode()
{
return m_safeExceptionCode;
}
// Return the application error code
int
StdException::GetApplicationCode()
{
return m_applicationCode;
}
// Return the application error text
CString
StdException::GetApplicationFault()
{
return m_applicationFault;
}
// Return the exception pointers (build stack traces etcetera)
_EXCEPTION_POINTERS*
StdException::GetExceptionPointers()
{
return m_exceptionPointers;
}
// Address where the exception did occur
PVOID
StdException::GetExceptionAddress()
{
if(m_exceptionPointers)
{
if(m_exceptionPointers->ExceptionRecord)
{
return m_exceptionPointers->ExceptionRecord->ExceptionAddress;
}
}
return nullptr;
}
// Getting the resulting error as a string
CString
StdException::GetErrorMessage()
{
CString errorstring;
switch(m_safeExceptionCode)
{
CASE(ACCESS_VIOLATION, errorstring);
CASE(DATATYPE_MISALIGNMENT, errorstring);
CASE(BREAKPOINT, errorstring);
CASE(SINGLE_STEP, errorstring);
CASE(ARRAY_BOUNDS_EXCEEDED, errorstring);
CASE(FLT_DENORMAL_OPERAND, errorstring);
CASE(FLT_DIVIDE_BY_ZERO, errorstring);
CASE(FLT_INEXACT_RESULT, errorstring);
CASE(FLT_INVALID_OPERATION, errorstring);
CASE(FLT_OVERFLOW, errorstring);
CASE(FLT_STACK_CHECK, errorstring);
CASE(FLT_UNDERFLOW, errorstring);
CASE(INT_DIVIDE_BY_ZERO, errorstring);
CASE(INT_OVERFLOW, errorstring);
CASE(PRIV_INSTRUCTION, errorstring);
CASE(IN_PAGE_ERROR, errorstring);
CASE(ILLEGAL_INSTRUCTION, errorstring);
CASE(NONCONTINUABLE_EXCEPTION,errorstring);
CASE(STACK_OVERFLOW, errorstring);
CASE(INVALID_DISPOSITION, errorstring);
CASE(GUARD_PAGE, errorstring);
CASE(INVALID_HANDLE, errorstring);
case 0: if(m_applicationCode)
{
errorstring.Format(_T("Error: %d "),m_applicationCode);
}
errorstring += m_applicationFault;
break;
default: errorstring = _T("Unknown exception.");
break;
}
return errorstring;
}
// The CException way of getting an error message
// By copying it out of the object through a string pointer
BOOL
StdException::GetErrorMessage(LPCTSTR p_error,UINT p_maxSize,PUINT p_helpContext /*= NULL*/)
{
// Reset help context
if(p_helpContext)
{
*p_helpContext = 0;
}
// Get compound error message
CString error = GetErrorMessage();
// Copy it out
_tcsncpy_s((LPTSTR)p_error,(size_t)p_maxSize,(LPTSTR)error.GetString(),error.GetLength() + 1);
return TRUE;
}
#ifndef MARLIN_USE_ATL_ONLY
CString
MessageFromException(CException& p_exception)
{
TCHAR buffer[4 * _MAX_PATH + 1];
p_exception.GetErrorMessage(buffer,4 * _MAX_PATH);
return CString(buffer);
}
#endif//MARLIN_USE_ATL_ONLY
#endif // __STDEXCEPTION_IMPL__