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// file : build/token -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_TOKEN
#define BUILD_TOKEN
#include <string>
#include <cstddef> // size_t
#include <cstdint> // uint64_t
#include <cassert>
#include <utility> // move
namespace build
{
enum class token_type {eos, name, punctuation};
enum class token_punctuation {newline, colon, lcbrace, rcbrace};
class token
{
public:
token_type
type () const {return t_;}
std::string const&
name () const {assert (t_ == token_type::name); return n_;}
token_punctuation
punctuation () const {assert (t_ == token_type::punctuation); return p_;}
std::uint64_t line () const {return l_;}
std::uint64_t column () const {return c_;}
public:
token (std::uint64_t l, std::uint64_t c)
: t_ (token_type::eos), l_ (l), c_ (c) {}
token (std::string n, std::uint64_t l, std::uint64_t c)
: t_ (token_type::name), n_ (std::move (n)), l_ (l), c_ (c) {}
token (token_punctuation p, std::uint64_t l, std::uint64_t c)
: t_ (token_type::punctuation), p_ (p), l_ (l), c_ (c) {}
private:
token_type t_;
token_punctuation p_;
std::string n_;
std::uint64_t l_;
std::uint64_t c_;
};
}
#endif // BUILD_TOKEN
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