diff options
Diffstat (limited to 'include/llvm/Support/Debug.h')
| -rw-r--r-- | include/llvm/Support/Debug.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/llvm/Support/Debug.h b/include/llvm/Support/Debug.h index e8bc0ce..8651fc1 100644 --- a/include/llvm/Support/Debug.h +++ b/include/llvm/Support/Debug.h @@ -28,6 +28,8 @@ namespace llvm { +class raw_ostream; + /// DEBUG_TYPE macro - Files can specify a DEBUG_TYPE as a string, which causes /// all of their DEBUG statements to be activatable with -debug-only=thatstring. #ifndef DEBUG_TYPE @@ -58,7 +60,7 @@ void SetCurrentDebugType(const char *Type); /// this is a debug build, then the code specified as the option to the macro /// will be executed. Otherwise it will not be. Example: /// -/// DEBUG_WITH_TYPE("bitset", errs() << "Bitset contains: " << Bitset << "\n"); +/// DEBUG_WITH_TYPE("bitset", dbgs() << "Bitset contains: " << Bitset << "\n"); /// /// This will emit the debug information if -debug is present, and -debug-only /// is not specified, or is specified as "bitset". @@ -72,15 +74,28 @@ void SetCurrentDebugType(const char *Type); #define DEBUG_WITH_TYPE(TYPE, X) do { } while (0) #endif +/// EnableDebugBuffering - This defaults to false. If true, the debug +/// stream will install signal handlers to dump any buffered debug +/// output. It allows clients to selectively allow the debug stream +/// to install signal handlers if they are certain there will be no +/// conflict. +/// +extern bool EnableDebugBuffering; + +/// dbgs() - This returns a reference to a raw_ostream for debugging +/// messages. If debugging is disabled it returns errs(). Use it +/// like: dbgs() << "foo" << "bar"; +raw_ostream &dbgs(); + // DEBUG macro - This macro should be used by passes to emit debug information. // In the '-debug' option is specified on the commandline, and if this is a // debug build, then the code specified as the option to the macro will be // executed. Otherwise it will not be. Example: // -// DEBUG(errs() << "Bitset contains: " << Bitset << "\n"); +// DEBUG(dbgs() << "Bitset contains: " << Bitset << "\n"); // #define DEBUG(X) DEBUG_WITH_TYPE(DEBUG_TYPE, X) - + } // End llvm namespace #endif |
