| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkHRESULT_DEFINED |
| #define SkHRESULT_DEFINED |
| |
| #include "include/core/SkTypes.h" |
| #ifdef SK_BUILD_FOR_WIN |
| |
| #include "src/base/SkLeanWindows.h" |
| |
| void SkTraceHR(const char* file, unsigned long line, |
| HRESULT hr, const char* msg); |
| |
| #ifdef SK_DEBUG |
| #define SK_TRACEHR(_hr, _msg) SkTraceHR(__FILE__, __LINE__, _hr, _msg) |
| #else |
| #define SK_TRACEHR(_hr, _msg) sk_ignore_unused_variable(_hr) |
| #endif |
| |
| #define HR_GENERAL(_ex, _msg, _ret) do {\ |
| HRESULT _hr = _ex;\ |
| if (FAILED(_hr)) {\ |
| SK_TRACEHR(_hr, _msg);\ |
| return _ret;\ |
| }\ |
| } while(false) |
| |
| //@{ |
| /** |
| These macros are for reporting HRESULT errors. |
| The expression will be evaluated. |
| If the resulting HRESULT SUCCEEDED then execution will continue normally. |
| If the HRESULT FAILED then the macro will return from the current function. |
| In variants ending with 'M' the given message will be traced when FAILED. |
| The HR variants will return the HRESULT when FAILED. |
| The HRB variants will return false when FAILED. |
| The HRN variants will return nullptr when FAILED. |
| The HRV variants will simply return when FAILED. |
| The HRZ variants will return 0 when FAILED. |
| */ |
| #define HR(ex) HR_GENERAL(ex, nullptr, _hr) |
| #define HRM(ex, msg) HR_GENERAL(ex, msg, _hr) |
| |
| #define HRB(ex) HR_GENERAL(ex, nullptr, false) |
| #define HRBM(ex, msg) HR_GENERAL(ex, msg, false) |
| |
| #define HRN(ex) HR_GENERAL(ex, nullptr, nullptr) |
| #define HRNM(ex, msg) HR_GENERAL(ex, msg, nullptr) |
| |
| #define HRV(ex) HR_GENERAL(ex, nullptr, ) |
| #define HRVM(ex, msg) HR_GENERAL(ex, msg, ) |
| |
| #define HRZ(ex) HR_GENERAL(ex, nullptr, 0) |
| #define HRZM(ex, msg) HR_GENERAL(ex, msg, 0) |
| //@} |
| #endif // SK_BUILD_FOR_WIN |
| #endif // SkHRESULT_DEFINED |