cppcheck/lib/sourcelocation.h

/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2023 Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef sourcelocationH
#define sourcelocationH

#include "config.h"

#ifdef __CPPCHECK__
#define CPPCHECK_HAS_SOURCE_LOCATION 0
#define CPPCHECK_HAS_SOURCE_LOCATION_TS 0
#define CPPCHECK_HAS_SOURCE_LOCATION_INTRINSICS 0
#else

#if __has_include(<source_location>) && __cplusplus >= 202003L
#define CPPCHECK_HAS_SOURCE_LOCATION 1
#else
#define CPPCHECK_HAS_SOURCE_LOCATION 0
#endif
#if __has_include(<experimental/source_location>) && __cplusplus >= 201402L
#define CPPCHECK_HAS_SOURCE_LOCATION_TS 1
#else
#define CPPCHECK_HAS_SOURCE_LOCATION_TS 0
#endif

#if __has_builtin(__builtin_FILE)
#define CPPCHECK_HAS_SOURCE_LOCATION_INTRINSICS 1
#if !__has_builtin(__builtin_COLUMN)
#define __builtin_COLUMN() 0
#endif
#else
#define CPPCHECK_HAS_SOURCE_LOCATION_INTRINSICS 0
#endif

#endif

#if CPPCHECK_HAS_SOURCE_LOCATION
#include <source_location>
using SourceLocation = std::source_location;
#elif CPPCHECK_HAS_SOURCE_LOCATION_TS
#include <experimental/source_location>
using SourceLocation = std::experimental::source_location;
#else
#include <cstdint>
struct SourceLocation {
#if CPPCHECK_HAS_SOURCE_LOCATION_INTRINSICS
    static SourceLocation current(std::uint_least32_t line = __builtin_LINE(),
                                  std::uint_least32_t column = __builtin_COLUMN(),
                                  const char* file_name = __builtin_FILE(),
                                  const char* function_name = __builtin_FUNCTION())
    {
        SourceLocation result{};
        result.m_line = line;
        result.m_column = column;
        result.m_file_name = file_name;
        result.m_function_name = function_name;
        return result;
    }
#else
    static SourceLocation current() {
        return SourceLocation();
    }
#endif
    std::uint_least32_t m_line = 0;
    std::uint_least32_t m_column = 0;
    const char* m_file_name = "";
    const char* m_function_name = "";
    std::uint_least32_t line() const {
        return m_line;
    }
    std::uint_least32_t column() const {
        return m_column;
    }
    const char* file_name() const {
        return m_file_name;
    }
    const char* function_name() const {
        return m_function_name;
    }
};
#endif

#endif