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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_LOGGING_H_
#define BASE_LOGGING_H_
#include <string>
#include <cstring>
#include "base/basictypes.h"
#include "mozilla/Attributes.h"
#include "mozilla/Logging.h"
#include "mozilla/Printf.h"
#ifdef NO_CHROMIUM_LOGGING
# include <sstream>
#endif
// Replace the Chromium logging code with NSPR-based logging code and
// some C++ wrappers to emulate std::ostream
namespace mozilla {
enum LogSeverity {
LOG_INFO,
LOG_WARNING,
LOG_ERROR,
LOG_ERROR_REPORT,
LOG_FATAL,
LOG_0 = LOG_ERROR
};
class Logger {
public:
Logger(LogSeverity severity, const char* file, int line)
: mSeverity(severity), mFile(file), mLine(line) {}
~Logger();
// not private so that the operator<< overloads can get to it
void printf(const char* fmt, ...) MOZ_FORMAT_PRINTF(2, 3);
private:
static mozilla::LazyLogModule gChromiumPRLog;
// static PRLogModuleInfo* GetLog();
LogSeverity mSeverity;
const char* mFile;
int mLine;
SmprintfPointer mMsg;
DISALLOW_EVIL_CONSTRUCTORS(Logger);
};
class LogWrapper {
public:
LogWrapper(LogSeverity severity, const char* file, int line)
: log(severity, file, line) {}
operator Logger&() const { return log; }
private:
mutable Logger log;
DISALLOW_EVIL_CONSTRUCTORS(LogWrapper);
};
struct EmptyLog {};
mozilla::Logger& operator<<(mozilla::Logger& log, const char* s);
mozilla::Logger& operator<<(mozilla::Logger& log, const std::string& s);
mozilla::Logger& operator<<(mozilla::Logger& log, int i);
mozilla::Logger& operator<<(mozilla::Logger& log, const std::wstring& s);
mozilla::Logger& operator<<(mozilla::Logger& log, void* p);
template <class T>
const mozilla::EmptyLog& operator<<(const mozilla::EmptyLog& log, const T&) {
return log;
}
} // namespace mozilla
#ifdef NO_CHROMIUM_LOGGING
# define CHROMIUM_LOG(info) std::stringstream()
# define LOG_IF(info, condition) \
if (!(condition)) std::stringstream()
#else
# define CHROMIUM_LOG(info) \
mozilla::LogWrapper(mozilla::LOG_##info, __FILE__, __LINE__)
# define LOG_IF(info, condition) \
if (!(condition)) \
mozilla::LogWrapper(mozilla::LOG_##info, __FILE__, __LINE__)
#endif
#ifdef DEBUG
# define DLOG(info) CHROMIUM_LOG(info)
# define DLOG_IF(info, condition) LOG_IF(info, condition)
# define DCHECK(condition) CHECK(condition)
#else
# define DLOG(info) mozilla::EmptyLog()
# define DLOG_IF(info, condition) mozilla::EmptyLog()
# define DCHECK(condition) \
while (false && (condition)) mozilla::EmptyLog()
#endif
#define DVLOG(level) DLOG(INFO)
#undef LOG_ASSERT
#define LOG_ASSERT(cond) CHECK(0)
#define DLOG_ASSERT(cond) DCHECK(0)
#define NOTREACHED() CHROMIUM_LOG(ERROR)
#define NOTIMPLEMENTED() CHROMIUM_LOG(ERROR)
#undef CHECK
#ifdef FUZZING
# define CHECK(condition) LOG_IF(WARNING, condition)
#else
# define CHECK(condition) LOG_IF(FATAL, condition)
#endif
#define DCHECK_EQ(v1, v2) DCHECK((v1) == (v2))
#define DCHECK_NE(v1, v2) DCHECK((v1) != (v2))
#define DCHECK_LE(v1, v2) DCHECK((v1) <= (v2))
#define DCHECK_LT(v1, v2) DCHECK((v1) < (v2))
#define DCHECK_GE(v1, v2) DCHECK((v1) >= (v2))
#define DCHECK_GT(v1, v2) DCHECK((v1) > (v2))
#endif // BASE_LOGGING_H_