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author | Vlad Voicu <vladv@rosedu.org> | 2012-03-02 10:01:11 (GMT) |
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committer | Kevin Smith <git@kismith.co.uk> | 2012-03-09 15:04:05 (GMT) |
commit | 1c8cd160b79b6bbcec72042bdb104ba530508a93 (patch) | |
tree | cff302b81e74c557fbc9e30fd43144d981b613d0 /3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp | |
parent | 2944711aefec9a9dd66052440bc4f921910dd780 (diff) | |
download | swift-contrib-1c8cd160b79b6bbcec72042bdb104ba530508a93.zip swift-contrib-1c8cd160b79b6bbcec72042bdb104ba530508a93.tar.bz2 |
Added spirit to bundled boost
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp new file mode 100644 index 0000000..39ed98d --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/leaf_node.hpp @@ -0,0 +1,107 @@ +// leaf_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_LEAF_NODE_HPP +#define BOOST_LEXER_LEAF_NODE_HPP + +#include "../../consts.hpp" // null_token +#include "node.hpp" +#include "../../size_t.hpp" + +namespace boost +{ +namespace lexer +{ +namespace detail +{ +class leaf_node : public node +{ +public: + leaf_node (const std::size_t token_, const bool greedy_) : + node (token_ == null_token), + _token (token_), + _set_greedy (!greedy_), + _greedy (greedy_) + { + if (!_nullable) + { + _firstpos.push_back (this); + _lastpos.push_back (this); + } + } + + virtual ~leaf_node () + { + } + + virtual void append_followpos (const node_vector &followpos_) + { + for (node_vector::const_iterator iter_ = followpos_.begin (), + end_ = followpos_.end (); iter_ != end_; ++iter_) + { + _followpos.push_back (*iter_); + } + } + + virtual type what_type () const + { + return LEAF; + } + + virtual bool traverse (const_node_stack &/*node_stack_*/, + bool_stack &/*perform_op_stack_*/) const + { + return false; + } + + virtual std::size_t token () const + { + return _token; + } + + virtual void greedy (const bool greedy_) + { + if (!_set_greedy) + { + _greedy = greedy_; + _set_greedy = true; + } + } + + virtual bool greedy () const + { + return _greedy; + } + + virtual const node_vector &followpos () const + { + return _followpos; + } + + virtual node_vector &followpos () + { + return _followpos; + } + +private: + std::size_t _token; + bool _set_greedy; + bool _greedy; + 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 + { + node_ptr_vector_->push_back (static_cast<leaf_node *>(0)); + node_ptr_vector_->back () = new leaf_node (_token, _greedy); + new_node_stack_.push (node_ptr_vector_->back ()); + } +}; +} +} +} + +#endif |