mirror of
https://github.com/vdemydiuk/mtapi.git
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Added thirdparty: boost library
This commit is contained in:
Viacheslav Demydiuk
+588
@@ -0,0 +1,588 @@
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// Copyright (c) 2009 Francois Barel
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// Copyright (c) 2001-2011 Joel de Guzman
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// Copyright (c) 2001-2012 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_REPOSITORY_KARMA_SUBRULE_AUGUST_12_2009_0813PM)
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#define BOOST_SPIRIT_REPOSITORY_KARMA_SUBRULE_AUGUST_12_2009_0813PM
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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/karma/domain.hpp>
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#include <boost/spirit/home/karma/meta_compiler.hpp>
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#include <boost/spirit/home/karma/generator.hpp>
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#include <boost/spirit/home/karma/reference.hpp>
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#include <boost/spirit/home/karma/nonterminal/detail/generator_binder.hpp>
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#include <boost/spirit/home/karma/nonterminal/detail/parameterized.hpp>
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#include <boost/spirit/home/support/argument.hpp>
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#include <boost/spirit/home/support/assert_msg.hpp>
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#include <boost/spirit/home/karma/detail/attributes.hpp>
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#include <boost/spirit/home/support/info.hpp>
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#include <boost/spirit/home/support/unused.hpp>
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#include <boost/spirit/home/support/nonterminal/extract_param.hpp>
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#include <boost/spirit/home/support/nonterminal/locals.hpp>
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#include <boost/spirit/repository/home/support/subrule_context.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/fusion/include/as_map.hpp>
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#include <boost/fusion/include/at_key.hpp>
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#include <boost/fusion/include/cons.hpp>
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#include <boost/fusion/include/front.hpp>
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#include <boost/fusion/include/has_key.hpp>
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#include <boost/fusion/include/join.hpp>
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#include <boost/fusion/include/make_map.hpp>
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#include <boost/fusion/include/make_vector.hpp>
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#include <boost/fusion/include/size.hpp>
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#include <boost/fusion/include/vector.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/mpl/int.hpp>
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#include <boost/mpl/vector.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_const.hpp>
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#include <boost/type_traits/is_reference.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#if defined(BOOST_MSVC)
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# pragma warning(push)
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# pragma warning(disable: 4355) // 'this' : used in base member initializer list warning
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#endif
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///////////////////////////////////////////////////////////////////////////////
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namespace boost { namespace spirit { namespace repository { namespace karma
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{
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///////////////////////////////////////////////////////////////////////////
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// subrule_group_generator:
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// - generator representing a group of subrule definitions (one or more),
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// invokes first subrule on entry,
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///////////////////////////////////////////////////////////////////////////
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template <typename Defs>
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struct subrule_group_generator
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: spirit::karma::generator<subrule_group_generator<Defs> >
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{
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// Fusion associative sequence, associating each subrule ID in this
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// group (as an MPL integral constant) with its definition
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typedef Defs defs_type;
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typedef subrule_group_generator<Defs> this_type;
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explicit subrule_group_generator(Defs const& defs)
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: defs(defs)
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{
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}
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// from a subrule ID, get the type of a reference to its definition
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template <int ID>
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struct def_type
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{
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typedef mpl::int_<ID> id_type;
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// If you are seeing a compilation error here, you are trying
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// to use a subrule which was not defined in this group.
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BOOST_SPIRIT_ASSERT_MSG(
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(fusion::result_of::has_key<
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defs_type const, id_type>::type::value)
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, subrule_used_without_being_defined, (mpl::int_<ID>));
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typedef typename
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fusion::result_of::at_key<defs_type const, id_type>::type
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type;
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};
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// from a subrule ID, get a reference to its definition
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template <int ID>
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typename def_type<ID>::type def() const
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{
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return fusion::at_key<mpl::int_<ID> >(defs);
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}
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template <typename Context, typename Iterator>
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struct attribute
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// Forward to first subrule.
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: mpl::identity<
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typename remove_reference<
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typename fusion::result_of::front<Defs>::type
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>::type::second_type::attr_type> {};
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template <typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute>
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bool generate(OutputIterator& sink, Context& context
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, Delimiter const& delimiter, Attribute const& attr) const
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{
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// Forward to first subrule.
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return generate_subrule(fusion::front(defs).second
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, sink, context, delimiter, attr);
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}
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template <typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute
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, typename Params>
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bool generate(OutputIterator& sink, Context& context
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, Delimiter const& delimiter, Attribute const& attr
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, Params const& params) const
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{
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// Forward to first subrule.
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return generate_subrule(fusion::front(defs).second
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, sink, context, delimiter, attr, params);
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}
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template <int ID, typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute>
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bool generate_subrule_id(OutputIterator& sink
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, Context& context, Delimiter const& delimiter
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, Attribute const& attr) const
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{
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return generate_subrule(def<ID>()
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, sink, context, delimiter, attr);
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}
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template <int ID, typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute, typename Params>
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bool generate_subrule_id(OutputIterator& sink
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, Context& context, Delimiter const& delimiter
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, Attribute const& attr, Params const& params) const
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{
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return generate_subrule(def<ID>()
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, sink, context, delimiter, attr, params);
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}
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template <typename Def, typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute>
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bool generate_subrule(Def const& def, OutputIterator& sink
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, Context& /*caller_context*/, Delimiter const& delimiter
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, Attribute const& attr) const
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{
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// compute context type for this subrule
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typedef typename Def::locals_type subrule_locals_type;
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typedef typename Def::attr_type subrule_attr_type;
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typedef typename Def::attr_reference_type subrule_attr_reference_type;
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typedef typename Def::parameter_types subrule_parameter_types;
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typedef
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subrule_context<
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this_type
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, fusion::cons<
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subrule_attr_reference_type, subrule_parameter_types>
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, subrule_locals_type
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>
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context_type;
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typedef traits::transform_attribute<Attribute const
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, subrule_attr_type, spirit::karma::domain> transform;
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// If you are seeing a compilation error here, you are probably
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// trying to use a subrule which has inherited attributes,
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// without passing values for them.
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context_type context(*this, transform::pre(attr));
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return def.binder(sink, context, delimiter);
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}
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template <typename Def, typename OutputIterator, typename Context
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, typename Delimiter, typename Attribute, typename Params>
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bool generate_subrule(Def const& def, OutputIterator& sink
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, Context& caller_context, Delimiter const& delimiter
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, Attribute const& attr, Params const& params) const
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{
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// compute context type for this subrule
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typedef typename Def::locals_type subrule_locals_type;
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typedef typename Def::attr_type subrule_attr_type;
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typedef typename Def::attr_reference_type subrule_attr_reference_type;
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typedef typename Def::parameter_types subrule_parameter_types;
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typedef
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subrule_context<
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this_type
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, fusion::cons<
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subrule_attr_reference_type, subrule_parameter_types>
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, subrule_locals_type
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>
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context_type;
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typedef traits::transform_attribute<Attribute const
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, subrule_attr_type, spirit::karma::domain> transform;
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// If you are seeing a compilation error here, you are probably
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// trying to use a subrule which has inherited attributes,
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// passing values of incompatible types for them.
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context_type context(*this
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, transform::pre(attr), params, caller_context);
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return def.binder(sink, context, delimiter);
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}
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template <typename Context>
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info what(Context& context) const
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{
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// Forward to first subrule.
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return fusion::front(defs).second.binder.g.what(context);
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}
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Defs defs;
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};
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///////////////////////////////////////////////////////////////////////////
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// subrule_group:
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// - a Proto terminal, so that a group behaves like any Spirit
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// expression.
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///////////////////////////////////////////////////////////////////////////
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template <typename Defs>
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struct subrule_group
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: proto::extends<
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typename proto::terminal<
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subrule_group_generator<Defs>
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>::type
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, subrule_group<Defs>
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>
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{
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typedef subrule_group_generator<Defs> generator_type;
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typedef typename proto::terminal<generator_type>::type terminal;
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struct properties
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// Forward to first subrule.
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: remove_reference<
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typename fusion::result_of::front<Defs>::type
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>::type::second_type::subject_type::properties {};
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static size_t const params_size =
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// Forward to first subrule.
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remove_reference<
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typename fusion::result_of::front<Defs>::type
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>::type::second_type::params_size;
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explicit subrule_group(Defs const& defs)
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: subrule_group::proto_extends(terminal::make(generator_type(defs)))
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{
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}
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generator_type const& generator() const { return proto::value(*this); }
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Defs const& defs() const { return generator().defs; }
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template <typename Defs2>
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subrule_group<
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typename fusion::result_of::as_map<
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typename fusion::result_of::join<
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Defs const, Defs2 const>::type>::type>
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operator,(subrule_group<Defs2> const& other) const
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{
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typedef subrule_group<
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typename fusion::result_of::as_map<
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typename fusion::result_of::join<
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Defs const, Defs2 const>::type>::type> result_type;
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return result_type(fusion::as_map(fusion::join(defs(), other.defs())));
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}
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// non-const versions needed to suppress proto's comma op kicking in
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template <typename Defs2>
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friend subrule_group<
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typename fusion::result_of::as_map<
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typename fusion::result_of::join<
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Defs const, Defs2 const>::type>::type>
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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operator,(subrule_group&& left, subrule_group<Defs2>&& other)
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#else
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operator,(subrule_group& left, subrule_group<Defs2>& other)
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#endif
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{
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return static_cast<subrule_group const&>(left)
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.operator,(static_cast<subrule_group<Defs2> const&>(other));
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}
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// bring in the operator() overloads
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generator_type const& get_parameterized_subject() const { return generator(); }
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typedef generator_type parameterized_subject_type;
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#include <boost/spirit/home/karma/nonterminal/detail/fcall.hpp>
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};
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///////////////////////////////////////////////////////////////////////////
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// subrule_definition: holds one particular definition of a subrule
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///////////////////////////////////////////////////////////////////////////
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template <
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int ID_
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, typename Locals
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, typename Attr
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||||
, typename AttrRef
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||||
, typename Parameters
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||||
, size_t ParamsSize
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, typename Subject
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, bool Auto_
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>
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struct subrule_definition
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{
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typedef mpl::int_<ID_> id_type;
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BOOST_STATIC_CONSTANT(int, ID = ID_);
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|
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typedef Locals locals_type;
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typedef Attr attr_type;
|
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typedef AttrRef attr_reference_type;
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typedef Parameters parameter_types;
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static size_t const params_size = ParamsSize;
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typedef Subject subject_type;
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typedef mpl::bool_<Auto_> auto_type;
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BOOST_STATIC_CONSTANT(bool, Auto = Auto_);
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typedef spirit::karma::detail::generator_binder<
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Subject, auto_type> binder_type;
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subrule_definition(Subject const& subject, std::string const& name)
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: binder(subject), name(name)
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{
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}
|
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|
||||
binder_type const binder;
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std::string const name;
|
||||
};
|
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|
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///////////////////////////////////////////////////////////////////////////
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// subrule placeholder:
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// - on subrule definition: helper for creation of subrule_group,
|
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// - on subrule invocation: Proto terminal and generator.
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
template <
|
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int ID_
|
||||
, typename T1 = unused_type
|
||||
, typename T2 = unused_type
|
||||
>
|
||||
struct subrule
|
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: proto::extends<
|
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typename proto::terminal<
|
||||
spirit::karma::reference<subrule<ID_, T1, T2> const>
|
||||
>::type
|
||||
, subrule<ID_, T1, T2>
|
||||
>
|
||||
, spirit::karma::generator<subrule<ID_, T1, T2> >
|
||||
{
|
||||
//FIXME should go fetch the real properties of this subrule's definition in the current context, but we don't
|
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// have the context here (properties would need to be 'template<typename Context> struct properties' instead)
|
||||
typedef mpl::int_<
|
||||
spirit::karma::generator_properties::all_properties> properties;
|
||||
|
||||
typedef mpl::int_<ID_> id_type;
|
||||
BOOST_STATIC_CONSTANT(int, ID = ID_);
|
||||
|
||||
typedef subrule<ID_, T1, T2> this_type;
|
||||
typedef spirit::karma::reference<this_type const> reference_;
|
||||
typedef typename proto::terminal<reference_>::type terminal;
|
||||
typedef proto::extends<terminal, this_type> base_type;
|
||||
|
||||
typedef mpl::vector<T1, T2> template_params;
|
||||
|
||||
// The subrule's locals_type: a sequence of types to be used as local variables
|
||||
typedef typename
|
||||
spirit::detail::extract_locals<template_params>::type
|
||||
locals_type;
|
||||
|
||||
// The subrule's encoding type
|
||||
typedef typename
|
||||
spirit::detail::extract_encoding<template_params>::type
|
||||
encoding_type;
|
||||
|
||||
// The subrule's signature
|
||||
typedef typename
|
||||
spirit::detail::extract_sig<template_params, encoding_type
|
||||
, spirit::karma::domain>::type
|
||||
sig_type;
|
||||
|
||||
// This is the subrule's attribute type
|
||||
typedef typename
|
||||
spirit::detail::attr_from_sig<sig_type>::type
|
||||
attr_type;
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
!is_reference<attr_type>::value && !is_const<attr_type>::value,
|
||||
"Const/reference qualifiers on Karma subrule attribute are meaningless");
|
||||
typedef attr_type const& attr_reference_type;
|
||||
|
||||
// parameter_types is a sequence of types passed as parameters to the subrule
|
||||
typedef typename
|
||||
spirit::detail::params_from_sig<sig_type>::type
|
||||
parameter_types;
|
||||
|
||||
static size_t const params_size =
|
||||
fusion::result_of::size<parameter_types>::type::value;
|
||||
|
||||
explicit subrule(std::string const& name_ = "unnamed-subrule")
|
||||
: base_type(terminal::make(reference_(*this)))
|
||||
, name_(name_)
|
||||
{
|
||||
}
|
||||
|
||||
// compute type of this subrule's definition for expr type Expr
|
||||
template <typename Expr, bool Auto>
|
||||
struct def_type_helper
|
||||
{
|
||||
// Report invalid expression error as early as possible.
|
||||
// If you got an error_invalid_expression error message here,
|
||||
// then the expression (Expr) is not a valid spirit karma expression.
|
||||
BOOST_SPIRIT_ASSERT_MATCH(spirit::karma::domain, Expr);
|
||||
|
||||
typedef typename result_of::compile<
|
||||
spirit::karma::domain, Expr>::type subject_type;
|
||||
|
||||
typedef subrule_definition<
|
||||
ID_
|
||||
, locals_type
|
||||
, attr_type
|
||||
, attr_reference_type
|
||||
, parameter_types
|
||||
, params_size
|
||||
, subject_type
|
||||
, Auto
|
||||
> const type;
|
||||
};
|
||||
|
||||
// compute type of subrule group containing only this
|
||||
// subrule's definition for expr type Expr
|
||||
template <typename Expr, bool Auto>
|
||||
struct group_type_helper
|
||||
{
|
||||
typedef typename def_type_helper<Expr, Auto>::type def_type;
|
||||
|
||||
// create Defs map with only one entry: (ID -> def)
|
||||
typedef typename
|
||||
#ifndef BOOST_FUSION_HAS_VARIADIC_MAP
|
||||
fusion::result_of::make_map<id_type, def_type>::type
|
||||
#else
|
||||
fusion::result_of::make_map<id_type>::template apply<def_type>::type
|
||||
#endif
|
||||
defs_type;
|
||||
|
||||
typedef subrule_group<defs_type> type;
|
||||
};
|
||||
|
||||
template <typename Expr>
|
||||
typename group_type_helper<Expr, false>::type
|
||||
operator=(Expr const& expr) const
|
||||
{
|
||||
typedef group_type_helper<Expr, false> helper;
|
||||
typedef typename helper::def_type def_type;
|
||||
typedef typename helper::type result_type;
|
||||
return result_type(fusion::make_map<id_type>(
|
||||
def_type(compile<spirit::karma::domain>(expr), name_)));
|
||||
}
|
||||
|
||||
#define BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(lhs_ref, rhs_ref) \
|
||||
template <typename Expr> \
|
||||
friend typename group_type_helper<Expr, true>::type \
|
||||
operator%=(subrule lhs_ref sr, Expr rhs_ref expr) \
|
||||
{ \
|
||||
typedef group_type_helper<Expr, true> helper; \
|
||||
typedef typename helper::def_type def_type; \
|
||||
typedef typename helper::type result_type; \
|
||||
return result_type(fusion::make_map<id_type>( \
|
||||
def_type(compile<spirit::karma::domain>(expr), sr.name_))); \
|
||||
} \
|
||||
/**/
|
||||
|
||||
// non-const versions needed to suppress proto's %= kicking in
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(const&, const&)
|
||||
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(const&, &&)
|
||||
#else
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(const&, &)
|
||||
#endif
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(&, const&)
|
||||
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(&, &&)
|
||||
#else
|
||||
BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR(&, &)
|
||||
#endif
|
||||
|
||||
#undef BOOST_SPIRIT_SUBRULE_MODULUS_ASSIGN_OPERATOR
|
||||
|
||||
std::string const& name() const
|
||||
{
|
||||
return name_;
|
||||
}
|
||||
|
||||
void name(std::string const& str)
|
||||
{
|
||||
name_ = str;
|
||||
}
|
||||
|
||||
template <typename Context, typename Iterator>
|
||||
struct attribute
|
||||
{
|
||||
typedef attr_type type;
|
||||
};
|
||||
|
||||
template <typename OutputIterator, typename Group
|
||||
, typename Attributes, typename Locals
|
||||
, typename Delimiter, typename Attribute>
|
||||
bool generate(OutputIterator& sink
|
||||
, subrule_context<Group, Attributes, Locals>& context
|
||||
, Delimiter const& delimiter, Attribute const& attr) const
|
||||
{
|
||||
return context.group.template generate_subrule_id<ID_>(
|
||||
sink, context, delimiter, attr);
|
||||
}
|
||||
|
||||
template <typename OutputIterator, typename Context
|
||||
, typename Delimiter, typename Attribute>
|
||||
bool generate(OutputIterator& /*sink*/
|
||||
, Context& /*context*/
|
||||
, Delimiter const& /*delimiter*/, Attribute const& /*attr*/) const
|
||||
{
|
||||
// If you are seeing a compilation error here, you are trying
|
||||
// to use a subrule as a generator outside of a subrule group.
|
||||
BOOST_SPIRIT_ASSERT_FAIL(OutputIterator
|
||||
, subrule_used_outside_subrule_group, (id_type));
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
template <typename OutputIterator, typename Group
|
||||
, typename Attributes, typename Locals
|
||||
, typename Delimiter, typename Attribute
|
||||
, typename Params>
|
||||
bool generate(OutputIterator& sink
|
||||
, subrule_context<Group, Attributes, Locals>& context
|
||||
, Delimiter const& delimiter, Attribute const& attr
|
||||
, Params const& params) const
|
||||
{
|
||||
return context.group.template generate_subrule_id<ID_>(
|
||||
sink, context, delimiter, attr, params);
|
||||
}
|
||||
|
||||
template <typename OutputIterator, typename Context
|
||||
, typename Delimiter, typename Attribute
|
||||
, typename Params>
|
||||
bool generate(OutputIterator& /*sink*/
|
||||
, Context& /*context*/
|
||||
, Delimiter const& /*delimiter*/, Attribute const& /*attr*/
|
||||
, Params const& /*params*/) const
|
||||
{
|
||||
// If you are seeing a compilation error here, you are trying
|
||||
// to use a subrule as a generator outside of a subrule group.
|
||||
BOOST_SPIRIT_ASSERT_FAIL(OutputIterator
|
||||
, subrule_used_outside_subrule_group, (id_type));
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
template <typename Context>
|
||||
info what(Context& /*context*/) const
|
||||
{
|
||||
return info(name_);
|
||||
}
|
||||
|
||||
// bring in the operator() overloads
|
||||
this_type const& get_parameterized_subject() const { return *this; }
|
||||
typedef this_type parameterized_subject_type;
|
||||
#include <boost/spirit/home/karma/nonterminal/detail/fcall.hpp>
|
||||
|
||||
std::string name_;
|
||||
};
|
||||
}}}}
|
||||
|
||||
#if defined(BOOST_MSVC)
|
||||
# pragma warning(pop)
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user