Source code of Windows XP (NT5)
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114 lines
1.9 KiB

//
// auto_chk.h
//
#pragma once
#ifdef _DEBUG_AUTOHR
#include "dbg.h" // CDebug
#endif
class auto_hr
{
public:
auto_hr() : hr(0) {}
auto_hr& operator= (HRESULT rhs)
{
hr = rhs;
#ifdef _DEBUG_AUTOHR
if (debug().CheckHrFail())
throw HRESULT (debug().m_pInfo->m_hr);
#endif
if (FAILED(rhs))
{
#ifdef _DEBUG_AUTOHR
if (debug().m_pInfo->m_bDebugBreakOnError)
#ifdef _M_IX86
__asm int 3;
#else
DebugBreak();
#endif
#endif
throw HRESULT(rhs);
}
return *this;
};
operator HRESULT ()
{ return hr; }
HRESULT operator <<(HRESULT h)
{
hr = h;
return hr;
}
protected:
auto_hr& operator= (bool rhs) { return *this; }
auto_hr& operator= (int rhs) { return *this; }
auto_hr& operator= (ULONG rhs) { return *this; }
HRESULT hr;
};
class auto_os
{
public:
auto_os() : dw(0) {}
auto_os& operator= (LONG rhs)
{
dw = rhs;
#ifdef _DEBUG_AUTOHR
if (debug().CheckOsFail())
throw int (debug().m_pInfo->m_os);
#endif
if (rhs)
{
#ifdef _DEBUG_AUTOHR
if (debug().m_pInfo->m_bDebugBreakOnError)
#ifdef _M_IX86
__asm int 3;
#else
DebugBreak();
#endif
#endif
throw int (rhs);
}
return *this;
};
auto_os& operator= (BOOL rhs)
{
dw = rhs;
#ifdef _DEBUG_AUTOHR
if (debug().CheckOsFail())
throw int (debug().m_pInfo->m_os);
#endif
if (!rhs)
{
#ifdef _DEBUG_AUTOHR
if (debug().m_pInfo->m_bDebugBreakOnError)
#ifdef _M_IX86
__asm int 3;
#else
DebugBreak();
#endif
#endif
throw int (GetLastError());
}
return *this;
};
operator LONG ()
{ return dw; }
protected:
DWORD dw;
};