Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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.
5 #ifndef BASE_LOGGING_H_
6 #define BASE_LOGGING_H_
8 #include <string>
9 #include <cstring>
11 #include "base/basictypes.h"
12 #include "prlog.h"
14 #ifdef NO_CHROMIUM_LOGGING
15 #include <sstream>
16 #endif
18 // Replace the Chromium logging code with NSPR-based logging code and
19 // some C++ wrappers to emulate std::ostream
21 namespace mozilla {
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 };
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 { }
42 ~Logger();
44 // not private so that the operator<< overloads can get to it
45 void printf(const char* fmt, ...);
47 private:
48 static PRLogModuleInfo* gChromiumPRLog;
49 static PRLogModuleInfo* GetLog();
51 LogSeverity mSeverity;
52 const char* mFile;
53 int mLine;
54 char* mMsg;
56 DISALLOW_EVIL_CONSTRUCTORS(Logger);
57 };
59 class LogWrapper
60 {
61 public:
62 LogWrapper(LogSeverity severity, const char* file, int line) :
63 log(severity, file, line) { }
65 operator Logger&() const { return log; }
67 private:
68 mutable Logger log;
70 DISALLOW_EVIL_CONSTRUCTORS(LogWrapper);
71 };
73 struct EmptyLog
74 {
75 };
77 } // namespace mozilla
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);
85 template<class T>
86 const mozilla::EmptyLog& operator <<(const mozilla::EmptyLog& log, const T&)
87 {
88 return log;
89 }
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
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
111 #define LOG_ASSERT(cond) CHECK(0)
112 #define DLOG_ASSERT(cond) DCHECK(0)
114 #define NOTREACHED() CHROMIUM_LOG(ERROR)
115 #define NOTIMPLEMENTED() CHROMIUM_LOG(ERROR)
117 #define CHECK(condition) LOG_IF(FATAL, condition)
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))
126 #endif // BASE_LOGGING_H_