/*============================================================================= | |
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(SPIRIT_EXPECT_APRIL_29_2007_0445PM) | |
#define SPIRIT_EXPECT_APRIL_29_2007_0445PM | |
#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/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 <stdexcept> | |
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 Iterator> | |
struct expectation_failure : std::runtime_error | |
{ | |
expectation_failure(Iterator first, Iterator last, info const& what) | |
: std::runtime_error("boost::spirit::qi::expectation_failure") | |
, first(first), last(last), what_(what) | |
{} | |
~expectation_failure() throw() {} | |
Iterator first; | |
Iterator last; | |
info what_; | |
}; | |
template <typename Elements> | |
struct expect : sequence_base<expect<Elements>, Elements> | |
{ | |
friend struct sequence_base<expect<Elements>, Elements>; | |
expect(Elements const& elements) | |
: sequence_base<expect<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"; } | |
}; | |
/////////////////////////////////////////////////////////////////////////// | |
// Parser generators: make_xxx function (objects) | |
/////////////////////////////////////////////////////////////////////////// | |
template <typename Elements, typename Modifiers> | |
struct make_composite<proto::tag::greater, Elements, Modifiers> | |
: make_nary_composite<Elements, expect> | |
{}; | |
}}} | |
namespace boost { namespace spirit { namespace traits | |
{ | |
/////////////////////////////////////////////////////////////////////////// | |
template <typename Elements> | |
struct has_semantic_action<qi::expect<Elements> > | |
: nary_has_semantic_action<Elements> {}; | |
/////////////////////////////////////////////////////////////////////////// | |
template <typename Elements, typename Attribute, typename Context | |
, typename Iterator> | |
struct handles_container<qi::expect<Elements>, Attribute, Context | |
, Iterator> | |
: nary_handles_container<Elements, Attribute, Context, Iterator> {}; | |
}}} | |
#endif |