79 lines
2.5 KiB
C++
Executable File
79 lines
2.5 KiB
C++
Executable File
// Copyright (c) 2001-2007 Joel de Guzman
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// Copyright (c) 2001-2008 Hartmut Kaiser
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//
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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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#if !defined(BOOST_SPIRIT_KARMA_GRAMMAR_MAR_05_2007_0542PM)
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#define BOOST_SPIRIT_KARMA_GRAMMAR_MAR_05_2007_0542PM
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#include <boost/spirit/home/support/unused.hpp>
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#include <boost/spirit/home/karma/nonterminal/nonterminal.hpp>
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#include <boost/spirit/home/karma/nonterminal/grammar_fwd.hpp>
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#include <boost/spirit/home/karma/domain.hpp>
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#include <boost/spirit/home/karma/nonterminal/rule.hpp>
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#include <boost/spirit/home/karma/nonterminal/nonterminal_director.hpp>
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#include <boost/function_types/is_function.hpp>
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#include <boost/noncopyable.hpp>
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namespace boost { namespace spirit { namespace karma
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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 karma::rule<Iterator, T0, T1, T2>::sig_type,
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typename karma::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 karma::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::delimiter_type delimiter_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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{}
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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 OutputIterator, typename Context, typename Delimiter>
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bool generate(OutputIterator& sink, Context& context,
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Delimiter const& delim) const
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{
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return start_.generate(sink, context, delim);
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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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