// Copyright (c) 2001-2011 Joel de Guzman
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// Copyright (c) 2001-2011 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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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/spirit/home/support/unused.hpp>
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#include <boost/spirit/home/support/info.hpp>
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#include <boost/spirit/home/support/assert_msg.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_fwd.hpp>
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#include <boost/spirit/home/karma/reference.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/proto/extends.hpp>
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#include <boost/proto/traits.hpp>
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#include <boost/type_traits/is_same.hpp>
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namespace boost { namespace spirit { namespace karma
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{
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template <
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typename OutputIterator, typename T1, typename T2, typename T3
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, typename T4>
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struct grammar
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: proto::extends<
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typename proto::terminal<
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reference<rule<OutputIterator, T1, T2, T3, T4> const>
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>::type
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, grammar<OutputIterator, T1, T2, T3, T4>
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>
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, generator<grammar<OutputIterator, T1, T2, T3, T4> >
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, noncopyable
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{
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typedef OutputIterator iterator_type;
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typedef rule<OutputIterator, T1, T2, T3, T4> start_type;
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typedef typename start_type::properties properties;
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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 typename start_type::encoding_type encoding_type;
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typedef grammar<OutputIterator, T1, T2, T3, T4> base_type;
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typedef reference<start_type const> reference_;
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typedef typename proto::terminal<reference_>::type terminal;
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static size_t const params_size = start_type::params_size;
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template <typename Context, typename Unused>
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struct attribute
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{
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typedef typename start_type::attr_type type;
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};
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// the output iterator is always wrapped by karma
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typedef detail::output_iterator<OutputIterator, properties>
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output_iterator;
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grammar(start_type const& start
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, std::string const& name_ = "unnamed-grammar")
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: proto::extends<terminal, base_type>(terminal::make(reference_(start)))
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, name_(name_)
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{}
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// This constructor is used to catch if the start rule is not
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// compatible with the grammar.
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template <typename Iterator_, typename T1_, typename T2_, typename T3_,
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typename T4_>
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grammar(rule<Iterator_, T1_, T2_, T3_, T4_> const&
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, std::string const& = "unnamed-grammar")
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{
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// If you see the assertion below failing then the start rule
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// passed to the constructor of the grammar is not compatible with
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// the grammar (i.e. it uses different template parameters).
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BOOST_SPIRIT_ASSERT_MSG(
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(is_same<start_type, rule<Iterator_, T1_, T2_, T3_, T4_> >::value)
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, incompatible_start_rule, (rule<Iterator_, T1_, T2_, T3_, T4_>));
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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& str)
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{
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name_ = str;
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}
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template <typename Context, typename Delimiter, typename Attribute>
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bool generate(output_iterator& sink, Context& context
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, Delimiter const& delim, Attribute const& attr) const
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{
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return this->proto_base().child0.generate(
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sink, context, delim, attr);
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}
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template <typename Context>
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info what(Context&) const
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{
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return info(name_);
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}
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// bring in the operator() overloads
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start_type const& get_parameterized_subject() const
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{ return this->proto_base().child0.ref.get(); }
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typedef start_type parameterized_subject_type;
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#include <boost/spirit/home/karma/nonterminal/detail/fcall.hpp>
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std::string name_;
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};
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}}}
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namespace boost { namespace spirit { namespace traits
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{
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///////////////////////////////////////////////////////////////////////////
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template <
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typename IteratorA, typename IteratorB, typename Attribute
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, typename Context, typename T1, typename T2, typename T3, typename T4>
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struct handles_container<
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karma::grammar<IteratorA, T1, T2, T3, T4>, Attribute, Context
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, IteratorB>
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: detail::nonterminal_handles_container<
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typename attribute_of<
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karma::grammar<IteratorA, T1, T2, T3, T4>
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, Context, IteratorB
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>::type, Attribute>
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{};
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}}}
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#endif
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