Fix typo in grammar.

Add lexertl.

inc/lexertl/parser/tree/end_node.hpp

@@ -0,0 +1,112 @@
+// end_node.hpp
+// Copyright (c) 2005-2012 Ben Hanson (http://www.benhanson.net/)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef LEXERTL_END_NODE_HPP
+#define LEXERTL_END_NODE_HPP
+
+#include "node.hpp"
+#include "../../size_t.hpp"
+
+namespace lexertl
+{
+namespace detail
+{
+template<typename id_type>
+class basic_end_node : public basic_node<id_type>
+{
+public:
+    typedef basic_node<id_type> node;
+    typedef typename node::bool_stack bool_stack;
+    typedef typename node::const_node_stack const_node_stack;
+    typedef typename node::node_ptr_vector node_ptr_vector;
+    typedef typename node::node_stack node_stack;
+    typedef typename node::node_type node_type;
+    typedef typename node::node_vector node_vector;
+
+    basic_end_node (const id_type id_, const id_type user_id_,
+        const id_type next_dfa_, const id_type push_dfa_,
+        const bool pop_dfa_) :
+        basic_node<id_type> (false),
+        _id (id_),
+        _user_id (user_id_),
+        _next_dfa (next_dfa_),
+        _push_dfa (push_dfa_),
+        _pop_dfa (pop_dfa_),
+        _followpos ()
+    {
+        basic_node<id_type>::_firstpos.push_back (this);
+        basic_node<id_type>::_lastpos.push_back (this);
+    }
+
+    virtual ~basic_end_node ()
+    {
+    }
+
+    virtual node_type what_type () const
+    {
+        return node::END;
+    }
+
+    virtual bool traverse (const_node_stack &/*node_stack_*/,
+        bool_stack &/*perform_op_stack_*/) const
+    {
+        return false;
+    }
+
+    virtual const node_vector &followpos () const
+    {
+        // _followpos is always empty..!
+        return _followpos;
+    }
+
+    virtual bool end_state () const
+    {
+        return true;
+    }
+
+    virtual id_type id () const
+    {
+        return _id;
+    }
+
+    virtual id_type user_id () const
+    {
+        return _user_id;
+    }
+
+    virtual id_type next_dfa () const
+    {
+        return _next_dfa;
+    }
+
+    virtual id_type push_dfa () const
+    {
+        return _push_dfa;
+    }
+
+    virtual bool pop_dfa () const
+    {
+        return _pop_dfa;
+    }
+
+private:
+    id_type _id;
+    id_type _user_id;
+    id_type _next_dfa;
+    id_type _push_dfa;
+    bool _pop_dfa;
+    node_vector _followpos;
+
+    virtual void copy_node (node_ptr_vector &/*node_ptr_vector_*/,
+        node_stack &/*new_node_stack_*/, bool_stack &/*perform_op_stack_*/,
+        bool &/*down_*/) const
+    {
+        // Nothing to do, as end_nodes are not copied.
+    }
+};
+}
+}
+
+#endif