1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2019 Google Inc. 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkObjBase_DEFINED 9*c8dee2aaSAndroid Build Coastguard Worker #define SkObjBase_DEFINED 10*c8dee2aaSAndroid Build Coastguard Worker 11*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkLeanWindows.h" 12*c8dee2aaSAndroid Build Coastguard Worker #include <objbase.h> 13*c8dee2aaSAndroid Build Coastguard Worker 14*c8dee2aaSAndroid Build Coastguard Worker // STDMETHOD uses COM_DECLSPEC_NOTHROW, but STDMETHODIMP does not. This leads to attribute mismatch 15*c8dee2aaSAndroid Build Coastguard Worker // between interfaces and implementations which produces warnings. In theory a COM component should 16*c8dee2aaSAndroid Build Coastguard Worker // never throw a c++ exception, but COM_DECLSPEC_NOTHROW allows tweaking that (as it may be useful 17*c8dee2aaSAndroid Build Coastguard Worker // for internal only implementations within a single project). The behavior of the attribute nothrow 18*c8dee2aaSAndroid Build Coastguard Worker // and the keyword noexcept are slightly different, so use COM_DECLSPEC_NOTHROW instead of noexcept. 19*c8dee2aaSAndroid Build Coastguard Worker // Older interfaces like IUnknown and IStream do not currently specify COM_DECLSPEC_NOTHROW, but it 20*c8dee2aaSAndroid Build Coastguard Worker // is not harmful to mark the implementation more exception strict than the interface. 21*c8dee2aaSAndroid Build Coastguard Worker 22*c8dee2aaSAndroid Build Coastguard Worker #define SK_STDMETHODIMP COM_DECLSPEC_NOTHROW STDMETHODIMP 23*c8dee2aaSAndroid Build Coastguard Worker #define SK_STDMETHODIMP_(type) COM_DECLSPEC_NOTHROW STDMETHODIMP_(type) 24*c8dee2aaSAndroid Build Coastguard Worker 25*c8dee2aaSAndroid Build Coastguard Worker #endif 26