diff options
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/iteration_node.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/iteration_node.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/iteration_node.hpp b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/iteration_node.hpp new file mode 100644 index 0000000..6b39462 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/iteration_node.hpp @@ -0,0 +1,90 @@ +// iteration_node.hpp +// Copyright (c) 2007-2009 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 BOOST_LEXER_ITERATION_NODE_HPP +#define BOOST_LEXER_ITERATION_NODE_HPP + +#include "node.hpp" + +namespace boost +{ +namespace lexer +{ +namespace detail +{ +class iteration_node : public node +{ +public: + iteration_node (node *next_, const bool greedy_) : + node (true), + _next (next_), + _greedy (greedy_) + { + node_vector::iterator iter_; + node_vector::iterator end_; + + _next->append_firstpos (_firstpos); + _next->append_lastpos (_lastpos); + + for (iter_ = _lastpos.begin (), end_ = _lastpos.end (); + iter_ != end_; ++iter_) + { + (*iter_)->append_followpos (_firstpos); + } + + for (iter_ = _firstpos.begin (), end_ = _firstpos.end (); + iter_ != end_; ++iter_) + { + (*iter_)->greedy (greedy_); + } + } + + virtual ~iteration_node () + { + } + + virtual type what_type () const + { + return ITERATION; + } + + virtual bool traverse (const_node_stack &node_stack_, + bool_stack &perform_op_stack_) const + { + perform_op_stack_.push (true); + node_stack_.push (_next); + return true; + } + +private: + // Not owner of this pointer... + node *_next; + bool _greedy; + + virtual void copy_node (node_ptr_vector &node_ptr_vector_, + node_stack &new_node_stack_, bool_stack &perform_op_stack_, + bool &down_) const + { + if (perform_op_stack_.top ()) + { + node *ptr_ = new_node_stack_.top (); + + node_ptr_vector_->push_back (static_cast<iteration_node *>(0)); + node_ptr_vector_->back () = new iteration_node (ptr_, _greedy); + new_node_stack_.top () = node_ptr_vector_->back (); + } + else + { + down_ = true; + } + + perform_op_stack_.pop (); + } +}; +} +} +} + +#endif |