Mercurial > projects > ldc
view gen/logger.h @ 1404:11b122f92136
Now that templates instantiations are no longer emitted for all modules that
even blink at them they seem to break due to being linkonce (if compiled with
any optimization level > 0), so let's give them weak linkage instead.
The difference is that unreferenced linkonce symbols can be deleted, while
weak symbols need to be preserved.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 21 May 2009 15:23:28 +0200 |
parents | 229e02867307 |
children | 2292878925f4 |
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#ifndef _llvmd_gen_logger_h_ #define _llvmd_gen_logger_h_ #include "llvm/Support/Streams.h" #ifndef IS_PRINTF # ifdef __GNUC__ # define IS_PRINTF(FMTARG) __attribute((__format__ (__printf__, (FMTARG), (FMTARG)+1) )) # else # define IS_PRINTF(FMTARG) # endif #endif struct Loc; namespace Logger { void indent(); void undent(); llvm::OStream cout(); void println(const char* fmt, ...) IS_PRINTF(1); void print(const char* fmt, ...) IS_PRINTF(1); void enable(); void disable(); bool enabled(); void attention(Loc loc, const char* fmt, ...) IS_PRINTF(2); struct LoggerScope { LoggerScope() { Logger::indent(); } ~LoggerScope() { Logger::undent(); } }; } #define LOG_SCOPE Logger::LoggerScope _logscope; #define IF_LOG if (Logger::enabled()) #endif