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-rw-r--r--build/token55
1 files changed, 55 insertions, 0 deletions
diff --git a/build/token b/build/token
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+++ b/build/token
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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