Teuchos - Trilinos Tools Package Version of the Day
Teuchos_TypeNameTraits.cpp
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00004 //                    Teuchos: Common Tools Package
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00040 // @HEADER
00041 
00042 #include "Teuchos_TypeNameTraits.hpp"
00043 #include "Teuchos_Assert.hpp"
00044 
00045 // Define this if you want to force name demangling if supported
00046 //#define HAVE_TEUCHOS_DEMANGLE
00047 
00048 #if defined(HAVE_GCC_ABI_DEMANGLE) && defined(HAVE_TEUCHOS_DEMANGLE)
00049 #  include <cxxabi.h>
00050 #endif
00051 
00052 
00053 std::string Teuchos::demangleName( const std::string &mangledName )
00054 {
00055 #if defined(HAVE_GCC_ABI_DEMANGLE) && defined(HAVE_TEUCHOS_DEMANGLE)
00056   int status;
00057   char *_demangledName = abi::__cxa_demangle(mangledName.c_str(), 0, 0, &status);
00058   if (status != 0 || 0==_demangledName) {
00059 #ifdef TEUCHOS_DEBUG
00060     std::string nullstr("NULL");
00061     const char* demangle_output = _demangledName ? _demangledName : nullstr.c_str();
00062     TEUCHOS_TEST_FOR_EXCEPTION(
00063       true, std::logic_error,
00064       "Error, name demangling with g++ has been enabled but the function "
00065       "abi::__cxa_demangle("<<mangledName<<") returned returnVal = "<<demangle_output
00066       <<" and status = "<<status<<".  Name demangling for this build"
00067       "can be turned off by using --disable-teuchos-demangle at configure time." );
00068 #endif
00069     if (_demangledName != NULL)
00070       free(_demangledName);
00071     return ( mangledName + "<demangle-failed>" );
00072   }
00073   const std::string demangledName(_demangledName);
00074   free(_demangledName); // We have to free this before we return!
00075   return demangledName;
00076 #else
00077   return mangledName;
00078 #endif
00079 }
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