source_location.hpp

// SPDX-FileCopyrightText: Intel Corporation
//
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef NOSTD_SOURCE_LOCATION_HPP
#define NOSTD_SOURCE_LOCATION_HPP
 
#pragma once
 
#include <cstdint>
 
namespace nostd {
struct source_location {
public:
#if not defined(__apple_build_version__) and defined(__clang__) and            \
    (__clang_major__ >= 9)
  static constexpr source_location
  current(const char *fileName = __builtin_FILE(),
          const char *functionName = __builtin_FUNCTION(),
          const uint_least32_t lineNumber = __builtin_LINE(),
          const uint_least32_t columnOffset = __builtin_COLUMN()) noexcept
#elif defined(__GNUC__) and                                                    \
    (__GNUC__ > 4 or (__GNUC__ == 4 and __GNUC_MINOR__ >= 8))
  static constexpr source_location
  current(const char *fileName = __builtin_FILE(),
          const char *functionName = __builtin_FUNCTION(),
          const uint_least32_t lineNumber = __builtin_LINE(),
          const uint_least32_t columnOffset = 0) noexcept
#else
  static constexpr source_location
  current(const char *fileName = "unsupported",
          const char *functionName = "unsupported",
          const uint_least32_t lineNumber = 0,
          const uint_least32_t columnOffset = 0) noexcept
#endif
  {
    return source_location(fileName, functionName, lineNumber, columnOffset);
  }
 
  source_location(const source_location &) = default;
  source_location(source_location &&) = default;
 
  constexpr const char *file_name() const noexcept { return fileName; }
 
  constexpr const char *function_name() const noexcept { return functionName; }
 
  constexpr uint_least32_t line() const noexcept { return lineNumber; }
 
  constexpr std::uint_least32_t column() const noexcept { return columnOffset; }
 
private:
  constexpr source_location(const char *fileName, const char *functionName,
                            const uint_least32_t lineNumber,
                            const uint_least32_t columnOffset) noexcept
      : fileName(fileName), functionName(functionName), lineNumber(lineNumber),
        columnOffset(columnOffset) {}
 
  const char *fileName;
  const char *functionName;
  const std::uint_least32_t lineNumber;
  const std::uint_least32_t columnOffset;
};
} // namespace nostd
 
#endif