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comparison: ipc/chromium/src/base/logging.h
ipc/chromium/src/base/logging.h
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| -1:000000000000 | 0:6cf383db85ec |
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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_LOGGING_H_ | |
| 6 #define BASE_LOGGING_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <cstring> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "prlog.h" | |
| 13 | |
| 14 #ifdef NO_CHROMIUM_LOGGING | |
| 15 #include <sstream> | |
| 16 #endif | |
| 17 | |
| 18 // Replace the Chromium logging code with NSPR-based logging code and | |
| 19 // some C++ wrappers to emulate std::ostream | |
| 20 | |
| 21 namespace mozilla { | |
| 22 | |
| 23 enum LogSeverity { | |
| 24 LOG_INFO, | |
| 25 LOG_WARNING, | |
| 26 LOG_ERROR, | |
| 27 LOG_ERROR_REPORT, | |
| 28 LOG_FATAL, | |
| 29 LOG_0 = LOG_ERROR | |
| 30 }; | |
| 31 | |
| 32 class Logger | |
| 33 { | |
| 34 public: | |
| 35 Logger(LogSeverity severity, const char* file, int line) | |
| 36 : mSeverity(severity) | |
| 37 , mFile(file) | |
| 38 , mLine(line) | |
| 39 , mMsg(NULL) | |
| 40 { } | |
| 41 | |
| 42 ~Logger(); | |
| 43 | |
| 44 // not private so that the operator<< overloads can get to it | |
| 45 void printf(const char* fmt, ...); | |
| 46 | |
| 47 private: | |
| 48 static PRLogModuleInfo* gChromiumPRLog; | |
| 49 static PRLogModuleInfo* GetLog(); | |
| 50 | |
| 51 LogSeverity mSeverity; | |
| 52 const char* mFile; | |
| 53 int mLine; | |
| 54 char* mMsg; | |
| 55 | |
| 56 DISALLOW_EVIL_CONSTRUCTORS(Logger); | |
| 57 }; | |
| 58 | |
| 59 class LogWrapper | |
| 60 { | |
| 61 public: | |
| 62 LogWrapper(LogSeverity severity, const char* file, int line) : | |
| 63 log(severity, file, line) { } | |
| 64 | |
| 65 operator Logger&() const { return log; } | |
| 66 | |
| 67 private: | |
| 68 mutable Logger log; | |
| 69 | |
| 70 DISALLOW_EVIL_CONSTRUCTORS(LogWrapper); | |
| 71 }; | |
| 72 | |
| 73 struct EmptyLog | |
| 74 { | |
| 75 }; | |
| 76 | |
| 77 } // namespace mozilla | |
| 78 | |
| 79 mozilla::Logger& operator<<(mozilla::Logger& log, const char* s); | |
| 80 mozilla::Logger& operator<<(mozilla::Logger& log, const std::string& s); | |
| 81 mozilla::Logger& operator<<(mozilla::Logger& log, int i); | |
| 82 mozilla::Logger& operator<<(mozilla::Logger& log, const std::wstring& s); | |
| 83 mozilla::Logger& operator<<(mozilla::Logger& log, void* p); | |
| 84 | |
| 85 template<class T> | |
| 86 const mozilla::EmptyLog& operator <<(const mozilla::EmptyLog& log, const T&) | |
| 87 { | |
| 88 return log; | |
| 89 } | |
| 90 | |
| 91 #ifdef NO_CHROMIUM_LOGGING | |
| 92 #define CHROMIUM_LOG(info) std::stringstream() | |
| 93 #define LOG_IF(info, condition) if (!(condition)) std::stringstream() | |
| 94 #else | |
| 95 #define CHROMIUM_LOG(info) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__) | |
| 96 #define LOG_IF(info, condition) \ | |
| 97 if (!(condition)) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__) | |
| 98 #endif | |
| 99 | |
| 100 | |
| 101 #ifdef DEBUG | |
| 102 #define DLOG(info) CHROMIUM_LOG(info) | |
| 103 #define DLOG_IF(info) LOG_IF(info) | |
| 104 #define DCHECK(condition) CHECK(condition) | |
| 105 #else | |
| 106 #define DLOG(info) mozilla::EmptyLog() | |
| 107 #define DLOG_IF(info, condition) mozilla::EmptyLog() | |
| 108 #define DCHECK(condition) while (false && (condition)) mozilla::EmptyLog() | |
| 109 #endif | |
| 110 | |
| 111 #define LOG_ASSERT(cond) CHECK(0) | |
| 112 #define DLOG_ASSERT(cond) DCHECK(0) | |
| 113 | |
| 114 #define NOTREACHED() CHROMIUM_LOG(ERROR) | |
| 115 #define NOTIMPLEMENTED() CHROMIUM_LOG(ERROR) | |
| 116 | |
| 117 #define CHECK(condition) LOG_IF(FATAL, condition) | |
| 118 | |
| 119 #define DCHECK_EQ(v1, v2) DCHECK((v1) == (v2)) | |
| 120 #define DCHECK_NE(v1, v2) DCHECK((v1) != (v2)) | |
| 121 #define DCHECK_LE(v1, v2) DCHECK((v1) <= (v2)) | |
| 122 #define DCHECK_LT(v1, v2) DCHECK((v1) < (v2)) | |
| 123 #define DCHECK_GE(v1, v2) DCHECK((v1) >= (v2)) | |
| 124 #define DCHECK_GT(v1, v2) DCHECK((v1) > (v2)) | |
| 125 | |
| 126 #endif // BASE_LOGGING_H_ |
