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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Inkscape::Debug::demangle - demangle C++ symbol names
*
* Authors:
* MenTaLguY <mental@rydia.net>
*
* Copyright (C) 2006 MenTaLguY
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cstdio>
#include <cstring>
#include <map>
#include <memory>
#include <string>
#include "debug/demangle.h"
#include "util/format.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) const {
return ( strcmp(a, b) < 0 );
}
};
typedef std::map<char const *, std::shared_ptr<std::string>, string_less_than> MangleCache;
MangleCache mangle_cache;
}
std::shared_ptr<std::string> demangle(char const *name) {
MangleCache::iterator found=mangle_cache.find(name);
if ( found != mangle_cache.end() ) {
return (*found).second;
}
char const *result = demangle_helper(name);
return mangle_cache[name] = std::make_shared<std::string>(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:fileencoding=utf-8:textwidth=99 :
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