92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2001-2011 Joel de Guzman
|
|
Copyright (c) 2001-2011 Hartmut Kaiser
|
|
|
|
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)
|
|
=============================================================================*/
|
|
#ifndef BOOST_SPIRIT_QI_OPERATOR_EXPECT_HPP
|
|
#define BOOST_SPIRIT_QI_OPERATOR_EXPECT_HPP
|
|
|
|
#if defined(_MSC_VER)
|
|
#pragma once
|
|
#endif
|
|
|
|
#include <boost/spirit/home/qi/operator/sequence_base.hpp>
|
|
#include <boost/spirit/home/qi/detail/expect_function.hpp>
|
|
#include <boost/spirit/home/qi/detail/expectation_failure.hpp>
|
|
#include <boost/spirit/home/qi/meta_compiler.hpp>
|
|
#include <boost/spirit/home/support/has_semantic_action.hpp>
|
|
#include <boost/spirit/home/support/handles_container.hpp>
|
|
#include <boost/spirit/home/support/info.hpp>
|
|
#include <boost/proto/operators.hpp>
|
|
#include <boost/proto/tags.hpp>
|
|
|
|
namespace boost { namespace spirit
|
|
{
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// Enablers
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template <>
|
|
struct use_operator<qi::domain, proto::tag::greater> // enables >
|
|
: mpl::true_ {};
|
|
|
|
template <>
|
|
struct flatten_tree<qi::domain, proto::tag::greater> // flattens >
|
|
: mpl::true_ {};
|
|
}}
|
|
|
|
namespace boost { namespace spirit { namespace qi
|
|
{
|
|
template <typename Elements>
|
|
struct expect_operator : sequence_base<expect_operator<Elements>, Elements>
|
|
{
|
|
friend struct sequence_base<expect_operator<Elements>, Elements>;
|
|
|
|
expect_operator(Elements const& elements)
|
|
: sequence_base<expect_operator<Elements>, Elements>(elements) {}
|
|
|
|
private:
|
|
|
|
template <typename Iterator, typename Context, typename Skipper>
|
|
static detail::expect_function<
|
|
Iterator, Context, Skipper
|
|
, expectation_failure<Iterator> >
|
|
fail_function(
|
|
Iterator& first, Iterator const& last
|
|
, Context& context, Skipper const& skipper)
|
|
{
|
|
return detail::expect_function<
|
|
Iterator, Context, Skipper, expectation_failure<Iterator> >
|
|
(first, last, context, skipper);
|
|
}
|
|
|
|
std::string id() const { return "expect_operator"; }
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// Parser generators: make_xxx function (objects)
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template <typename Elements, typename Modifiers>
|
|
struct make_composite<proto::tag::greater, Elements, Modifiers>
|
|
: make_nary_composite<Elements, expect_operator>
|
|
{};
|
|
}}}
|
|
|
|
namespace boost { namespace spirit { namespace traits
|
|
{
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template <typename Elements>
|
|
struct has_semantic_action<qi::expect_operator<Elements> >
|
|
: nary_has_semantic_action<Elements> {};
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template <typename Elements, typename Attribute, typename Context
|
|
, typename Iterator>
|
|
struct handles_container<qi::expect_operator<Elements>, Attribute, Context
|
|
, Iterator>
|
|
: mpl::true_ {};
|
|
}}}
|
|
|
|
#endif
|