loc.hpp

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#ifndef LIB_RUBY_PARSER_LOC_HPP
#define LIB_RUBY_PARSER_LOC_HPP
 
#include <cstddef>
#include <cstdint>
#include <string>
#include "decoded_input.hpp"
 
namespace lib_ruby_parser
{
    class Loc
    {
    public:
        size_t begin;
        size_t end;
 
        explicit Loc(size_t begin_, size_t end_);
 
        std::string source(const DecodedInput &decoded_input) const;
    };
 
    class MaybeLoc
    {
    public:
        enum class Tag
        {
            NONE = 0,
            SOME = 1,
        };
 
        union Value
        {
            Loc loc;
            uint8_t none;
        };
 
        Tag tag;
        Value as;
 
        static MaybeLoc Some(Loc loc);
        static MaybeLoc None();
    };
} // namespace lib_ruby_parser
 
#endif // LIB_RUBY_PARSER_LOC_HPP