source_location.h

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#ifndef CPPCOMMON_SYSTEM_SOURCE_LOCATION_H
#define CPPCOMMON_SYSTEM_SOURCE_LOCATION_H
 
#include "string/format.h"
 
#include <sstream>
#include <string>
 
namespace CppCommon {
 
 
#define __LOCATION__ CppCommon::SourceLocation(__FILE__, __LINE__)
 
 
class SourceLocation
{
    friend class Exception;
 
public:
 
    explicit SourceLocation(const char* filename, int line) noexcept : _filename(filename), _line(line) {}
    SourceLocation(const SourceLocation&) noexcept = default;
    SourceLocation(SourceLocation&&) noexcept = default;
    ~SourceLocation() noexcept = default;
 
    SourceLocation& operator=(const SourceLocation&) noexcept = default;
    SourceLocation& operator=(SourceLocation&&) noexcept = default;
 
    const char* filename() const noexcept { return _filename; }
    int line() const noexcept { return _line; }
 
    std::string string() const
    { std::stringstream ss; ss << *this; return ss.str(); }
 
    friend std::ostream& operator<<(std::ostream& os, const SourceLocation& source_location);
 
private:
    const char* _filename;
    int _line;
 
    SourceLocation() noexcept : SourceLocation(nullptr, 0) {}
};
 
} // namespace CppCommon
 
#include "source_location.inl"
 
#endif // CPPCOMMON_SYSTEM_SOURCE_LOCATION_H