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Demangle stacktrace names.

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git-svn-id: svn://localhost/ardour2/branches/3.0@7866 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-10-02 00:06:01 +00:00
parent f561a6e2a4
commit 1c7f17dcc0
1 changed files with 35 additions and 3 deletions
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38
libs/pbd/stacktrace.cc
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@ -33,6 +33,40 @@ PBD::trace_twb ()
#ifdef HAVE_EXECINFO
#include <execinfo.h>
#include <cxxabi.h>
std::string demangle (std::string const & l)
{
std::string::size_type const b = l.find_first_of ("(");
if (b == std::string::npos) {
return l;
}
std::string::size_type const p = l.find_last_of ("+");
if (p == std::string::npos) {
return l;
}
if ((p - b) <= 1) {
return l;
}
std::string const fn = l.substr (b + 1, p - b - 1);
int status;
try {
char* realname = abi::__cxa_demangle (fn.c_str(), 0, 0, &status);
std::string d (realname);
free (realname);
return d;
} catch (std::exception) {
}
return l;
}
void
PBD::stacktrace (std::ostream& out, int levels)
@ -47,10 +81,8 @@ PBD::stacktrace (std::ostream& out, int levels)
if (strings) {
printf ("Obtained %zd stack frames.\n", size);
for (i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
out << strings[i] << std::endl;
out << " " << demangle (strings[i]) << std::endl;
}
free (strings);