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https://github.com/ThePhD/sol2.git
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0315a43b1b
tests added to confirm userdata can be passed into C++ function types demangle is now named lua_demangle, and the core demangle without any replacements (to fit lua) is just named demangle Formattings fixes everywhere
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013 Danny Y., Rapptz
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_DEMANGLE_HPP
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#define SOL_DEMANGLE_HPP
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#include <string>
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#include <array>
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#if defined(__GNUC__) || defined(__clang__)
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#include <cxxabi.h>
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#endif
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namespace sol {
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namespace detail {
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#ifdef _MSC_VER
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std::string demangle(const std::type_info& id) {
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return id.name();
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}
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#elif defined(__GNUC__) || defined(__clang__)
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std::string demangle(const std::type_info& id) {
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int status;
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char* unmangled = abi::__cxa_demangle(id.name(), 0, 0, &status);
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std::string realname = unmangled;
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free(unmangled);
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return realname;
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}
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#else
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#error Compiler not supported for demangling
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#endif // compilers
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std::string lua_demangle(const std::type_info& id) {
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std::string realname = demangle(id);
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const static std::array<std::string, 2> removals = { "struct ", "class " };
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const static std::array<std::string, 2> replacements = { "::", "_" };
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for(std::size_t r = 0; r < removals.size(); ++r) {
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auto found = realname.find(removals[r]);
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while (found != std::string::npos) {
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realname.erase(found, removals[r].size());
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found = realname.find(removals[r]);
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}
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}
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for(std::size_t r = 0; r < replacements.size(); r+=2) {
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auto found = realname.find(replacements[r]);
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while (found != std::string::npos) {
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realname.replace(found, replacements[r].size(), replacements[r+1]);
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found = realname.find(replacements[r], found);
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}
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}
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return realname;
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}
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} // detail
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} // sol
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#endif // SOL_DEMANGLE_HPP
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