80 lines
2.6 KiB
C++
Executable File
80 lines
2.6 KiB
C++
Executable File
/*=============================================================================
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Copyright (c) 2001-2007 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_SPIRIT_GRAMMAR_FEB_19_2007_0236PM)
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#define BOOST_SPIRIT_GRAMMAR_FEB_19_2007_0236PM
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#include <boost/spirit/home/support/unused.hpp>
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#include <boost/spirit/home/qi/nonterminal/nonterminal.hpp>
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#include <boost/spirit/home/qi/nonterminal/grammar_fwd.hpp>
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#include <boost/spirit/home/qi/domain.hpp>
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#include <boost/spirit/home/qi/nonterminal/rule.hpp>
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#include <boost/spirit/home/qi/nonterminal/nonterminal_director.hpp>
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#include <boost/fusion/include/at.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/type_traits/is_convertible.hpp>
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namespace boost { namespace spirit { namespace qi
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{
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template <typename Iterator, typename T0 , typename T1 , typename T2>
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struct grammar
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: nonterminal<
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grammar<Iterator, T0, T1, T2>
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, typename qi::rule<Iterator, T0, T1, T2>::sig_type
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, typename qi::rule<Iterator, T0, T1, T2>::locals_type
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>, noncopyable
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{
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typedef Iterator iterator_type;
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typedef qi::rule<Iterator, T0, T1, T2> start_type;
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typedef typename start_type::sig_type sig_type;
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typedef typename start_type::locals_type locals_type;
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typedef typename start_type::skipper_type skipper_type;
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typedef grammar<Iterator, T0, T1, T2> base_type;
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grammar(start_type const& start, std::string const& name_ = std::string())
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: start(start), name_(name_) {}
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std::string name() const
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{
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return name_;
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}
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void name(std::string const& name__)
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{
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name_ = name__;
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}
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start_type const& start;
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std::string name_;
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private:
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template <typename Iterator_, typename Context, typename Skipper>
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bool parse(
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Iterator_& first, Iterator_ const& last
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, Context& context, Skipper const& skipper) const
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{
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return start.parse(first, last, context, skipper);
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}
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std::string what() const
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{
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if (name().empty())
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{
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return start.what();
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}
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else
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{
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return name();
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}
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}
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friend struct nonterminal_director;
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};
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}}}
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#endif
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