__xtd_source_location.h

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#pragma once
#if !defined(__XTD_CORE_INTERNAL__)
#error "Do not include this file: Internal use only"
#endif
 
#define __XTD_STD_INTERNAL__
#include "__xtd_std_version.h"
#undef __XTD_STD_INTERNAL__
 
#if defined(__xtd__cpp_lib_source_location)
#include <source_location>
using __xtd_source_location__ = std::source_location;
#else
#include <cstdint>
 
#define __XTD_FILE__ __builtin_FILE()
#define __XTD_LINE__ __builtin_LINE()
#define __XTD_FUNC__ __builtin_FUNCTION()
#define __XTD_COLUMN__ __builtin_COLUMN()
 
class __xtd_source_location__ {
public:
  const char* file_name() const noexcept {return data_.file;}
  uint32_t line() const noexcept {return data_.line;}
  const char* function_name() const noexcept {return data_.func;}
  uint32_t column() const noexcept {return data_.column;}
  
  static __xtd_source_location__ current(const char* file = __XTD_FILE__, uint32_t line = __XTD_LINE__, const char* func = __XTD_FUNC__, uint32_t column = __XTD_COLUMN__) noexcept {
    auto csl = __xtd_source_location__ {};
    csl.data_ = {file, line, func, column};
    return csl;
  }
  
private:
  struct data {
    const char* file;
    uint32_t line;
    const char* func;
    uint32_t column;
  } data_;
};
 
#undef __XTD_FILE__
#undef __XTD_LINE__
#undef __XTD_FUNC__
#undef __XTD_COLUMN__
#endif