diff options
Diffstat (limited to 'extern/glog/include/glog/logging.h')
| -rw-r--r-- | extern/glog/include/glog/logging.h | 97 |
1 files changed, 67 insertions, 30 deletions
diff --git a/extern/glog/include/glog/logging.h b/extern/glog/include/glog/logging.h index 8238ca9610f..7254b8dd62c 100644 --- a/extern/glog/include/glog/logging.h +++ b/extern/glog/include/glog/logging.h @@ -431,9 +431,15 @@ DECLARE_bool(stop_logging_if_full_disk); #define LOG_TO_STRING_FATAL(message) google::NullStreamFatal() #endif +#if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) +#define DCHECK_IS_ON() 0 +#else +#define DCHECK_IS_ON() 1 +#endif + // For DFATAL, we want to use LogMessage (as opposed to // LogMessageFatal), to be consistent with the original behavior. -#ifdef NDEBUG +#if !DCHECK_IS_ON() #define COMPACT_GOOGLE_LOG_DFATAL COMPACT_GOOGLE_LOG_ERROR #elif GOOGLE_STRIP_LOG <= 3 #define COMPACT_GOOGLE_LOG_DFATAL google::LogMessage( \ @@ -562,8 +568,10 @@ class LogSink; // defined below LOG_TO_STRING_##severity(static_cast<std::vector<std::string>*>(outvec)).stream() #define LOG_IF(severity, condition) \ + static_cast<void>(0), \ !(condition) ? (void) 0 : google::LogMessageVoidify() & LOG(severity) #define SYSLOG_IF(severity, condition) \ + static_cast<void>(0), \ !(condition) ? (void) 0 : google::LogMessageVoidify() & SYSLOG(severity) #define LOG_ASSERT(condition) \ @@ -572,7 +580,7 @@ class LogSink; // defined below SYSLOG_IF(FATAL, !(condition)) << "Assert failed: " #condition // CHECK dies with a fatal error if condition is not true. It is *not* -// controlled by NDEBUG, so the check will be executed regardless of +// controlled by DCHECK_IS_ON(), so the check will be executed regardless of // compilation mode. Therefore, it is safe to do things like: // CHECK(fp->Write(x) == 4) #define CHECK(condition) \ @@ -644,7 +652,7 @@ void MakeCheckOpValueString(std::ostream* os, const unsigned char& v); // Build the error message string. Specify no inlining for code size. template <typename T1, typename T2> std::string* MakeCheckOpString(const T1& v1, const T2& v2, const char* exprtext) - __attribute__ ((noinline)); + __attribute__((noinline)); namespace base { namespace internal { @@ -722,7 +730,7 @@ DEFINE_CHECK_OP_IMPL(Check_GT, > ) #if defined(STATIC_ANALYSIS) // Only for static analysis tool to know that it is equivalent to assert #define CHECK_OP_LOG(name, op, val1, val2, log) CHECK((val1) op (val2)) -#elif !defined(NDEBUG) +#elif DCHECK_IS_ON() // In debug mode, avoid constructing CheckOpStrings if possible, // to reduce the overhead of CHECK statments by 2x. // Real DCHECK-heavy tests have seen 1.5x speedups. @@ -751,7 +759,7 @@ typedef std::string _Check_string; google::GetReferenceableValue(val2), \ #val1 " " #op " " #val2)) \ log(__FILE__, __LINE__, _result).stream() -#endif // STATIC_ANALYSIS, !NDEBUG +#endif // STATIC_ANALYSIS, DCHECK_IS_ON() #if GOOGLE_STRIP_LOG <= 3 #define CHECK_OP(name, op, val1, val2) \ @@ -853,6 +861,7 @@ DECLARE_CHECK_STROP_IMPL(strcasecmp, false) &google::LogMessage::SendToLog) #define PLOG_IF(severity, condition) \ + static_cast<void>(0), \ !(condition) ? (void) 0 : google::LogMessageVoidify() & PLOG(severity) // A CHECK() macro that postpends errno if the condition is false. E.g. @@ -925,16 +934,11 @@ struct CompileAssert { struct CrashReason; // Returns true if FailureSignalHandler is installed. -bool IsFailureSignalHandlerInstalled(); +// Needs to be exported since it's used by the signalhandler_unittest. +GOOGLE_GLOG_DLL_DECL bool IsFailureSignalHandlerInstalled(); } // namespace glog_internal_namespace_ -#define GOOGLE_GLOG_COMPILE_ASSERT(expr, msg) \ - typedef google::glog_internal_namespace_::CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1] - #define LOG_EVERY_N(severity, n) \ - GOOGLE_GLOG_COMPILE_ASSERT(google::GLOG_ ## severity < \ - google::NUM_SEVERITIES, \ - INVALID_REQUESTED_LOG_SEVERITY); \ SOME_KIND_OF_LOG_EVERY_N(severity, (n), google::LogMessage::SendToLog) #define SYSLOG_EVERY_N(severity, n) \ @@ -976,7 +980,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR; // Plus some debug-logging macros that get compiled to nothing for production -#ifndef NDEBUG +#if DCHECK_IS_ON() #define DLOG(severity) LOG(severity) #define DVLOG(verboselevel) VLOG(verboselevel) @@ -986,7 +990,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR; LOG_IF_EVERY_N(severity, condition, n) #define DLOG_ASSERT(condition) LOG_ASSERT(condition) -// debug-only checking. not executed in NDEBUG mode. +// debug-only checking. executed if DCHECK_IS_ON(). #define DCHECK(condition) CHECK(condition) #define DCHECK_EQ(val1, val2) CHECK_EQ(val1, val2) #define DCHECK_NE(val1, val2) CHECK_NE(val1, val2) @@ -1000,25 +1004,31 @@ const LogSeverity GLOG_0 = GLOG_ERROR; #define DCHECK_STRNE(str1, str2) CHECK_STRNE(str1, str2) #define DCHECK_STRCASENE(str1, str2) CHECK_STRCASENE(str1, str2) -#else // NDEBUG +#else // !DCHECK_IS_ON() -#define DLOG(severity) \ +#define DLOG(severity) \ + static_cast<void>(0), \ true ? (void) 0 : google::LogMessageVoidify() & LOG(severity) -#define DVLOG(verboselevel) \ - (true || !VLOG_IS_ON(verboselevel)) ?\ - (void) 0 : google::LogMessageVoidify() & LOG(INFO) +#define DVLOG(verboselevel) \ + static_cast<void>(0), \ + (true || !VLOG_IS_ON(verboselevel)) ? \ + (void) 0 : google::LogMessageVoidify() & LOG(INFO) #define DLOG_IF(severity, condition) \ + static_cast<void>(0), \ (true || !(condition)) ? (void) 0 : google::LogMessageVoidify() & LOG(severity) #define DLOG_EVERY_N(severity, n) \ + static_cast<void>(0), \ true ? (void) 0 : google::LogMessageVoidify() & LOG(severity) #define DLOG_IF_EVERY_N(severity, condition, n) \ + static_cast<void>(0), \ (true || !(condition))? (void) 0 : google::LogMessageVoidify() & LOG(severity) #define DLOG_ASSERT(condition) \ + static_cast<void>(0), \ true ? (void) 0 : LOG_ASSERT(condition) // MSVC warning C4127: conditional expression is constant @@ -1081,7 +1091,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR; while (false) \ GLOG_MSVC_POP_WARNING() CHECK_STRCASENE(str1, str2) -#endif // NDEBUG +#endif // DCHECK_IS_ON() // Log only in verbose mode. @@ -1103,10 +1113,11 @@ namespace base_logging { // buffer to allow for a '\n' and '\0'. class GOOGLE_GLOG_DLL_DECL LogStreamBuf : public std::streambuf { public: - // REQUIREMENTS: "len" must be >= 2 to account for the '\n' and '\n'. + // REQUIREMENTS: "len" must be >= 2 to account for the '\n' and '\0'. LogStreamBuf(char *buf, int len) { setp(buf, buf + len - 2); } + // This effectively ignores overflow. virtual int_type overflow(int_type ch) { return ch; @@ -1145,13 +1156,9 @@ public: // 2005 if you are deriving from a type in the Standard C++ Library" // http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx // Let's just ignore the warning. -#ifdef _MSC_VER -# pragma warning(disable: 4275) -#endif +GLOG_MSVC_PUSH_DISABLE_WARNING(4275) class GOOGLE_GLOG_DLL_DECL LogStream : public std::ostream { -#ifdef _MSC_VER -# pragma warning(default: 4275) -#endif +GLOG_MSVC_POP_WARNING() public: LogStream(char *buf, int len, int ctr) : std::ostream(NULL), @@ -1240,7 +1247,7 @@ public: void SendToSyslogAndLog(); // Actually dispatch to syslog and the logs // Call abort() or similar to perform LOG(FATAL) crash. - static void __attribute__ ((noreturn)) Fail(); + static void __attribute__((noreturn)) Fail(); std::ostream& stream(); @@ -1288,7 +1295,7 @@ class GOOGLE_GLOG_DLL_DECL LogMessageFatal : public LogMessage { public: LogMessageFatal(const char* file, int line); LogMessageFatal(const char* file, int line, const CheckOpString& result); - __attribute__ ((noreturn)) ~LogMessageFatal(); + __attribute__((noreturn)) ~LogMessageFatal(); }; // A non-macro interface to the log facility; (useful @@ -1303,6 +1310,35 @@ inline void LogAtLevel(int const severity, std::string const &msg) { // LOG macros, 2. this macro can be used as C++ stream. #define LOG_AT_LEVEL(severity) google::LogMessage(__FILE__, __LINE__, severity).stream() +// Check if it's compiled in C++11 mode. +// +// GXX_EXPERIMENTAL_CXX0X is defined by gcc and clang up to at least +// gcc-4.7 and clang-3.1 (2011-12-13). __cplusplus was defined to 1 +// in gcc before 4.7 (Crosstool 16) and clang before 3.1, but is +// defined according to the language version in effect thereafter. +// Microsoft Visual Studio 14 (2015) sets __cplusplus==199711 despite +// reasonably good C++11 support, so we set LANG_CXX for it and +// newer versions (_MSC_VER >= 1900). +#if (defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L || \ + (defined(_MSC_VER) && _MSC_VER >= 1900)) +// Helper for CHECK_NOTNULL(). +// +// In C++11, all cases can be handled by a single function. Since the value +// category of the argument is preserved (also for rvalue references), +// member initializer lists like the one below will compile correctly: +// +// Foo() +// : x_(CHECK_NOTNULL(MethodReturningUniquePtr())) {} +template <typename T> +T CheckNotNull(const char* file, int line, const char* names, T&& t) { + if (t == nullptr) { + LogMessageFatal(file, line, new std::string(names)); + } + return std::forward<T>(t); +} + +#else + // A small helper for CHECK_NOTNULL(). template <typename T> T* CheckNotNull(const char *file, int line, const char *names, T* t) { @@ -1311,6 +1347,7 @@ T* CheckNotNull(const char *file, int line, const char *names, T* t) { } return t; } +#endif // Allow folks to put a counter in the LOG_EVERY_X()'ed messages. This // only works if ostream is a LogStream. If the ostream is not a @@ -1592,7 +1629,7 @@ class GOOGLE_GLOG_DLL_DECL NullStreamFatal : public NullStream { NullStreamFatal() { } NullStreamFatal(const char* file, int line, const CheckOpString& result) : NullStream(file, line, result) { } - __attribute__ ((noreturn)) ~NullStreamFatal() throw () { _exit(1); } + __attribute__((noreturn)) ~NullStreamFatal() throw () { _exit(1); } }; // Install a signal handler that will dump signal information and a stack |