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1 /* | |
2 * Copyright 2011 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef SkHRESULT_DEFINED | |
9 #define SkHRESULT_DEFINED | |
10 | |
11 #include "SkTypes.h" | |
12 #ifdef SK_BUILD_FOR_WIN | |
13 | |
14 #include "../../private/SkLeanWindows.h" | |
15 | |
16 void SkTraceHR(const char* file, unsigned long line, | |
17 HRESULT hr, const char* msg); | |
18 | |
19 #ifdef SK_DEBUG | |
20 #define SK_TRACEHR(_hr, _msg) SkTraceHR(__FILE__, __LINE__, _hr, _msg) | |
21 #else | |
22 #define SK_TRACEHR(_hr, _msg) sk_ignore_unused_variable(_hr) | |
23 #endif | |
24 | |
25 #define HR_GENERAL(_ex, _msg, _ret) {\ | |
26 HRESULT _hr = _ex;\ | |
27 if (FAILED(_hr)) {\ | |
28 SK_TRACEHR(_hr, _msg);\ | |
29 return _ret;\ | |
30 }\ | |
31 } | |
32 | |
33 //@{ | |
34 /** | |
35 These macros are for reporting HRESULT errors. | |
36 The expression will be evaluated. | |
37 If the resulting HRESULT SUCCEEDED then execution will continue normally. | |
38 If the HRESULT FAILED then the macro will return from the current function. | |
39 In variants ending with 'M' the given message will be traced when FAILED. | |
40 The HR variants will return the HRESULT when FAILED. | |
41 The HRB variants will return false when FAILED. | |
42 The HRN variants will return NULL when FAILED. | |
43 The HRV variants will simply return when FAILED. | |
44 The HRZ variants will return 0 when FAILED. | |
45 */ | |
46 #define HR(ex) HR_GENERAL(ex, NULL, _hr) | |
47 #define HRM(ex, msg) HR_GENERAL(ex, msg, _hr) | |
48 | |
49 #define HRB(ex) HR_GENERAL(ex, NULL, false) | |
50 #define HRBM(ex, msg) HR_GENERAL(ex, msg, false) | |
51 | |
52 #define HRN(ex) HR_GENERAL(ex, NULL, NULL) | |
53 #define HRNM(ex, msg) HR_GENERAL(ex, msg, NULL) | |
54 | |
55 #define HRV(ex) HR_GENERAL(ex, NULL, ) | |
56 #define HRVM(ex, msg) HR_GENERAL(ex, msg, ) | |
57 | |
58 #define HRZ(ex) HR_GENERAL(ex, NULL, 0) | |
59 #define HRZM(ex, msg) HR_GENERAL(ex, msg, 0) | |
60 //@} | |
61 #endif // SK_BUILD_FOR_WIN | |
62 #endif // SkHRESULT_DEFINED | |
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