73 lines
3 KiB
C++
73 lines
3 KiB
C++
// _ _ __ _____
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// | \ | | / _| / ____|_ _
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// | \| | __ _ _ __ ___ ___ ___ | |_ | | _| |_ _| |_
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// | . ` |/ _` | '_ ` _ \ / _ \/ _ \| _| | | |_ _|_ _|
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// | |\ | (_| | | | | | | __/ (_) | | | |____|_| |_|
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// |_| \_|\__,_|_| |_| |_|\___|\___/|_| \_____|
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// https://github.com/Neargye/nameof
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// vesion 0.2.2
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//
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// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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// Copyright (c) 2016, 2018 Daniil Goncharov <neargye@gmail.com>.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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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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//
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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,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include <cstddef>
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#define NAMEOF_RAW_(x) #x
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#define NAMEOF_RAW(x) NAMEOF_RAW_(x)
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namespace nameof {
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namespace detail {
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inline constexpr bool IsLexeme(const char s) noexcept {
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return (s == '.' || s == '>' || s == ':' || s == '&' || s == '*' ||
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s == '+' || s == '~' || s == '-' || s == '!');
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}
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} // namespace detail
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inline constexpr const char* Nameof(const char* name, const std::size_t length, const std::size_t) noexcept {
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return length == 0 ? name : detail::IsLexeme(name[length - 1])
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? &name[length]
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: Nameof(name, length - 1, 0);
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}
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} // namespace nameof
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#if defined(__GNUC__) || defined(__clang__)
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// Used to obtain the string name of a variable, type, function and etc.
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#define NAMEOF(name) ::nameof::Nameof(NAMEOF_RAW(name), sizeof(NAMEOF_RAW(name)) / sizeof(char) - 1, sizeof(void(*)(__typeof__(name))))
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// Used to obtain the string full name of a variable, type, function and etc.
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#define NAMEOF_FULL(name) ::nameof::Nameof(NAMEOF_RAW(name), 0, sizeof(void(*)(__typeof__(name))))
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#else
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// Used to obtain the string name of a variable, type, function and etc.
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#define NAMEOF(name) ::nameof::Nameof(NAMEOF_RAW(name), sizeof(NAMEOF_RAW(name)) / sizeof(char) - 1, sizeof(typeid(name)))
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// Used to obtain the string full name of a variable, type, function and etc.
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#define NAMEOF_FULL(name) ::nameof::Nameof(NAMEOF_RAW(name), 0, sizeof(typeid(name)))
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#endif
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