typeid.h revision 12391
112391Sjason@lowepower.com/* 212391Sjason@lowepower.com pybind11/detail/typeid.h: Compiler-independent access to type identifiers 312391Sjason@lowepower.com 412391Sjason@lowepower.com Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> 512391Sjason@lowepower.com 612391Sjason@lowepower.com All rights reserved. Use of this source code is governed by a 712391Sjason@lowepower.com BSD-style license that can be found in the LICENSE file. 812391Sjason@lowepower.com*/ 912391Sjason@lowepower.com 1012391Sjason@lowepower.com#pragma once 1112391Sjason@lowepower.com 1212391Sjason@lowepower.com#include <cstdio> 1312391Sjason@lowepower.com#include <cstdlib> 1412391Sjason@lowepower.com 1512391Sjason@lowepower.com#if defined(__GNUG__) 1612391Sjason@lowepower.com#include <cxxabi.h> 1712391Sjason@lowepower.com#endif 1812391Sjason@lowepower.com 1912391Sjason@lowepower.comNAMESPACE_BEGIN(PYBIND11_NAMESPACE) 2012391Sjason@lowepower.comNAMESPACE_BEGIN(detail) 2112391Sjason@lowepower.com/// Erase all occurrences of a substring 2212391Sjason@lowepower.cominline void erase_all(std::string &string, const std::string &search) { 2312391Sjason@lowepower.com for (size_t pos = 0;;) { 2412391Sjason@lowepower.com pos = string.find(search, pos); 2512391Sjason@lowepower.com if (pos == std::string::npos) break; 2612391Sjason@lowepower.com string.erase(pos, search.length()); 2712391Sjason@lowepower.com } 2812391Sjason@lowepower.com} 2912391Sjason@lowepower.com 3012391Sjason@lowepower.comPYBIND11_NOINLINE inline void clean_type_id(std::string &name) { 3112391Sjason@lowepower.com#if defined(__GNUG__) 3212391Sjason@lowepower.com int status = 0; 3312391Sjason@lowepower.com std::unique_ptr<char, void (*)(void *)> res { 3412391Sjason@lowepower.com abi::__cxa_demangle(name.c_str(), nullptr, nullptr, &status), std::free }; 3512391Sjason@lowepower.com if (status == 0) 3612391Sjason@lowepower.com name = res.get(); 3712391Sjason@lowepower.com#else 3812391Sjason@lowepower.com detail::erase_all(name, "class "); 3912391Sjason@lowepower.com detail::erase_all(name, "struct "); 4012391Sjason@lowepower.com detail::erase_all(name, "enum "); 4112391Sjason@lowepower.com#endif 4212391Sjason@lowepower.com detail::erase_all(name, "pybind11::"); 4312391Sjason@lowepower.com} 4412391Sjason@lowepower.comNAMESPACE_END(detail) 4512391Sjason@lowepower.com 4612391Sjason@lowepower.com/// Return a string representation of a C++ type 4712391Sjason@lowepower.comtemplate <typename T> static std::string type_id() { 4812391Sjason@lowepower.com std::string name(typeid(T).name()); 4912391Sjason@lowepower.com detail::clean_type_id(name); 5012391Sjason@lowepower.com return name; 5112391Sjason@lowepower.com} 5212391Sjason@lowepower.com 5312391Sjason@lowepower.comNAMESPACE_END(PYBIND11_NAMESPACE) 54