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livetrax/libs/pbd/demangle.cc

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/*
Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/demangle.h"
#if defined(__GLIBCXX__)
#include <cxxabi.h>
#endif
std::string
PBD::demangle_symbol (const std::string& mangled_symbol)
{
#if defined(__GLIBCXX__)
int status;
try {
char* realname = abi::__cxa_demangle (mangled_symbol.c_str(), 0, 0, &status);
std::string demangled_symbol (realname);
free (realname);
return demangled_symbol;
} catch (std::exception) {
}
#endif
/* Note: on win32, you can use UnDecorateSymbolName.
See http://msdn.microsoft.com/en-us/library/ms681400%28VS.85%29.aspx
See also: http://msdn.microsoft.com/en-us/library/ms680344%28VS.85%29.aspx
*/
return mangled_symbol;
}
std::string
PBD::demangle (std::string const& str)
{
std::string::size_type const b = str.find_first_of ("(");
if (b == std::string::npos) {
return demangle_symbol (str);
}
std::string::size_type const p = str.find_last_of ("+");
if (p == std::string::npos) {
return demangle_symbol (str);
}
if ((p - b) <= 1) {
return demangle_symbol (str);
}
std::string const symbol = str.substr (b + 1, p - b - 1);
return demangle_symbol (symbol);
}