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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#if !defined(BOOST_SPIRIT_PARSER_OCTOBER_16_2008_0254PM)
#define BOOST_SPIRIT_PARSER_OCTOBER_16_2008_0254PM
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/mpl/has_xxx.hpp>
#include <boost/spirit/home/qi/domain.hpp>
namespace boost { namespace spirit { namespace qi
{
//[parser_base_parser
template <typename Derived>
struct parser
{
struct parser_id;
typedef Derived derived_type;
typedef qi::domain domain;
// Requirement: p.parse(f, l, context, skip, attr) -> bool
//
// p: a parser
// f, l: first/last iterator pair
// context: enclosing rule context (can be unused_type)
// skip: skipper (can be unused_type)
// attr: attribute (can be unused_type)
// Requirement: p.what(context) -> info
//
// p: a parser
// context: enclosing rule context (can be unused_type)
// Requirement: P::template attribute<Ctx, Iter>::type
//
// P: a parser type
// Ctx: A context type (can be unused_type)
// Iter: An iterator type (can be unused_type)
Derived const& derived() const
{
return *static_cast<Derived const*>(this);
}
};
//]
template <typename Derived>
struct primitive_parser : parser<Derived>
{
struct primitive_parser_id;
};
template <typename Derived>
struct nary_parser : parser<Derived>
{
struct nary_parser_id;
// Requirement: p.elements -> fusion sequence
//
// p: a composite parser
// Requirement: P::elements_type -> fusion sequence
//
// P: a composite parser type
};
template <typename Derived>
struct unary_parser : parser<Derived>
{
struct unary_parser_id;
// Requirement: p.subject -> subject parser
//
// p: a unary parser
// Requirement: P::subject_type -> subject parser type
//
// P: a unary parser type
};
template <typename Derived>
struct binary_parser : parser<Derived>
{
struct binary_parser_id;
// Requirement: p.left -> left parser
//
// p: a binary parser
// Requirement: P::left_type -> left parser type
//
// P: a binary parser type
// Requirement: p.right -> right parser
//
// p: a binary parser
// Requirement: P::right_type -> right parser type
//
// P: a binary parser type
};
}}}
namespace boost { namespace spirit { namespace traits // classification
{
namespace detail
{
BOOST_MPL_HAS_XXX_TRAIT_DEF(parser_id)
BOOST_MPL_HAS_XXX_TRAIT_DEF(primitive_parser_id)
BOOST_MPL_HAS_XXX_TRAIT_DEF(nary_parser_id)
BOOST_MPL_HAS_XXX_TRAIT_DEF(unary_parser_id)
BOOST_MPL_HAS_XXX_TRAIT_DEF(binary_parser_id)
}
// parser type identification
template <typename T>
struct is_parser : detail::has_parser_id<T> {};
template <typename T>
struct is_primitive_parser : detail::has_primitive_parser_id<T> {};
template <typename T>
struct is_nary_parser : detail::has_nary_parser_id<T> {};
template <typename T>
struct is_unary_parser : detail::has_unary_parser_id<T> {};
template <typename T>
struct is_binary_parser : detail::has_binary_parser_id<T> {};
}}}
#endif
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