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add support for demangling c++ type names (libstdc++)

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This commit is contained in:
Bernd Amend 2021-07-03 23:53:05 +02:00
parent 6411aa7498
commit 4929c5ab14
2 changed files with 23 additions and 0 deletions
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1
include/chaiscript/dispatchkit/bootstrap.hpp
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@ -384,6 +384,7 @@ namespace chaiscript::bootstrap {
m.add(fun(&Type_Info::is_arithmetic), "is_type_arithmetic");
m.add(fun(&Type_Info::name), "cpp_name");
m.add(fun(&Type_Info::bare_name), "cpp_bare_name");
m.add(fun(&Type_Info::demangled_name), "cpp_demangled_name");
m.add(fun(&Type_Info::bare_equal), "bare_equal");
basic_constructors<bool>("bool", m);

22
include/chaiscript/dispatchkit/type_info.hpp
View File

@ -15,6 +15,10 @@
#include <type_traits>
#include <typeinfo>
#if __has_include(<cxxabi.h>)
#include <cxxabi.h>
#endif
namespace chaiscript {
namespace detail {
template<typename T>
@ -83,6 +87,24 @@ namespace chaiscript {
}
}
std::string demangled_name() const noexcept {
#if __has_include(<cxxabi.h>)
if (is_undef())
return "";
int status{};
char *ret = abi::__cxa_demangle(m_bare_type_info->name(), nullptr, nullptr, &status);
if (ret) {
std::string value{ret};
free(ret);
return value;
}
return m_bare_type_info->name();
#else
return bare_name();
#endif
}
constexpr const std::type_info *bare_type_info() const noexcept { return m_bare_type_info; }
private: