demangle.cpp revision 2acb8cfac9fe3c5f11618acc5172a1cb4fe00e81
/*
* Inkscape::Debug::demangle - demangle C++ symbol names
*
* Authors:
* MenTaLguY <mental@rydia.net>
*
* Copyright (C) 2006 MenTaLguY
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <stdio.h>
#include <string.h>
#include <map>
#include "debug/demangle.h"
#include "util/format.h"
#include "gc-alloc.h"
namespace Inkscape {
namespace Debug {
namespace {
char const *demangle_helper(char const *name) {
char buffer[1024];
char const *result;
FILE *stream=popen(Util::format("c++filt %s", name), "r");
if (fgets(buffer, sizeof(buffer), stream)) {
size_t len=strlen(buffer);
if ( buffer[len-1] == '\n' ) {
buffer[len-1] = '\000';
}
result = strdup(buffer);
} else {
result = name;
}
pclose(stream);
return result;
}
struct string_less_than {
bool operator()(char const *a, char const *b) {
return ( strcmp(a, b) < 0 );
}
};
typedef std::map<char const *, char const *, string_less_than> MangleCache;
MangleCache mangle_cache;
}
Util::ptr_shared<char> demangle(char const *name) {
MangleCache::iterator found=mangle_cache.find(name);
char const *result;
if ( found != mangle_cache.end() ) {
result = (*found).second;
} else {
result = demangle_helper(name);
mangle_cache[name] = result;
}
return Util::share_unsafe(result);
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :