57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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//==========================================================================;
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//
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// throw.h : exception handling code
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// Copyright (c) Microsoft Corporation 1998.
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef THROW_H
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#define THROW_H
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class ComException {
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public:
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ComException(HRESULT hr) : m_hr(hr) {}
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ComException(ComException &ce) : m_hr(ce.m_hr) {}
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ComException& operator=(ComException &rhs) {
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if (this != &rhs) {
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m_hr = rhs.m_hr;
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}
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return *this;
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}
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ComException& operator=(HRESULT rhs) {
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m_hr = rhs;
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return *this;
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}
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operator HRESULT() {
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return m_hr;
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}
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private:
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HRESULT m_hr;
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};
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#define THROWCOM(x) throw ComException(x)
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#define CATCHCOM_CLEANUP(x) catch (ComException& e) { \
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{ x; } \
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return e; \
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}
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#define CATCHCOM() CATCHCOM_CLEANUP(;)
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#define CATCHALL_CLEANUP(x) CATCHCOM_CLEANUP(x) \
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catch (std::bad_alloc& e) { \
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{ x; } \
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return E_OUTOFMEMORY; \
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} catch (std::exception& e) { \
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{ x; } \
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return E_UNEXPECTED; \
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}
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#define CATCHALL() CATCHALL_CLEANUP(;)
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#endif
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// end of file throw.h
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