ipc/chromium/src/base/logging.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

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