LCOV - code coverage report
Current view: top level - ipc/chromium/src/base - logging.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 8 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 4 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
       4             : // Use of this source code is governed by a BSD-style license that can be
       5             : // found in the LICENSE file.
       6             : 
       7             : #ifndef BASE_LOGGING_H_
       8             : #define BASE_LOGGING_H_
       9             : 
      10             : #include <string>
      11             : #include <cstring>
      12             : 
      13             : #include "base/basictypes.h"
      14             : #include "mozilla/Attributes.h"
      15             : #include "mozilla/Logging.h"
      16             : #include "mozilla/Printf.h"
      17             : 
      18             : #ifdef NO_CHROMIUM_LOGGING
      19             : #include <sstream>
      20             : #endif
      21             : 
      22             : // Replace the Chromium logging code with NSPR-based logging code and
      23             : // some C++ wrappers to emulate std::ostream
      24             : 
      25             : namespace mozilla {
      26             : 
      27             : enum LogSeverity {
      28             :   LOG_INFO,
      29             :   LOG_WARNING,
      30             :   LOG_ERROR,
      31             :   LOG_ERROR_REPORT,
      32             :   LOG_FATAL,
      33             :   LOG_0 = LOG_ERROR
      34             : };
      35             : 
      36             : class Logger
      37             : {
      38             : public:
      39           0 :   Logger(LogSeverity severity, const char* file, int line)
      40           0 :     : mSeverity(severity)
      41             :     , mFile(file)
      42           0 :     , mLine(line)
      43           0 :   { }
      44             : 
      45             :   ~Logger();
      46             : 
      47             :   // not private so that the operator<< overloads can get to it
      48             :   void printf(const char* fmt, ...) MOZ_FORMAT_PRINTF(2, 3);
      49             : 
      50             : private:
      51             :   static mozilla::LazyLogModule gChromiumPRLog;
      52             : //  static PRLogModuleInfo* GetLog();
      53             : 
      54             :   LogSeverity mSeverity;
      55             :   const char* mFile;
      56             :   int mLine;
      57             :   SmprintfPointer mMsg;
      58             : 
      59             :   DISALLOW_EVIL_CONSTRUCTORS(Logger);
      60             : };
      61             : 
      62           0 : class LogWrapper
      63             : {
      64             : public:
      65           0 :   LogWrapper(LogSeverity severity, const char* file, int line) :
      66           0 :     log(severity, file, line) { }
      67             : 
      68           0 :   operator Logger&() const { return log; }
      69             : 
      70             : private:
      71             :   mutable Logger log;
      72             : 
      73             :   DISALLOW_EVIL_CONSTRUCTORS(LogWrapper);
      74             : };
      75             : 
      76             : struct EmptyLog
      77             : {
      78             : };
      79             : 
      80             : mozilla::Logger& operator<<(mozilla::Logger& log, const char* s);
      81             : mozilla::Logger& operator<<(mozilla::Logger& log, const std::string& s);
      82             : mozilla::Logger& operator<<(mozilla::Logger& log, int i);
      83             : mozilla::Logger& operator<<(mozilla::Logger& log, const std::wstring& s);
      84             : mozilla::Logger& operator<<(mozilla::Logger& log, void* p);
      85             : 
      86             : template<class T>
      87             : const mozilla::EmptyLog& operator <<(const mozilla::EmptyLog& log, const T&)
      88             : {
      89             :   return log;
      90             : }
      91             : 
      92             : } // namespace mozilla
      93             : 
      94             : #ifdef NO_CHROMIUM_LOGGING
      95             : #define CHROMIUM_LOG(info) std::stringstream()
      96             : #define LOG_IF(info, condition) if (!(condition)) std::stringstream()
      97             : #else
      98             : #define CHROMIUM_LOG(info) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__)
      99             : #define LOG_IF(info, condition) \
     100             :   if (!(condition)) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__)
     101             : #endif
     102             : 
     103             : 
     104             : #ifdef DEBUG
     105             : #define DLOG(info) CHROMIUM_LOG(info)
     106             : #define DLOG_IF(info) LOG_IF(info)
     107             : #define DCHECK(condition) CHECK(condition)
     108             : #else
     109             : #define DLOG(info) mozilla::EmptyLog()
     110             : #define DLOG_IF(info, condition) mozilla::EmptyLog()
     111             : #define DCHECK(condition) while (false && (condition)) mozilla::EmptyLog()
     112             : #endif
     113             : 
     114             : #undef LOG_ASSERT
     115             : #define LOG_ASSERT(cond) CHECK(0)
     116             : #define DLOG_ASSERT(cond) DCHECK(0)
     117             : 
     118             : #define NOTREACHED() CHROMIUM_LOG(ERROR)
     119             : #define NOTIMPLEMENTED() CHROMIUM_LOG(ERROR)
     120             : 
     121             : #undef CHECK
     122             : #define CHECK(condition) LOG_IF(WARNING, condition)
     123             : 
     124             : #define DCHECK_EQ(v1, v2) DCHECK((v1) == (v2))
     125             : #define DCHECK_NE(v1, v2) DCHECK((v1) != (v2))
     126             : #define DCHECK_LE(v1, v2) DCHECK((v1) <= (v2))
     127             : #define DCHECK_LT(v1, v2) DCHECK((v1) < (v2))
     128             : #define DCHECK_GE(v1, v2) DCHECK((v1) >= (v2))
     129             : #define DCHECK_GT(v1, v2) DCHECK((v1) > (v2))
     130             : 
     131             : #endif  // BASE_LOGGING_H_

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