/*============================================================================= | |
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) | |
=============================================================================*/ | |
#if !defined(BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM) | |
#define BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM | |
#if defined(_MSC_VER) | |
#pragma once | |
#endif | |
#include <boost/spirit/home/qi/meta_compiler.hpp> | |
#include <boost/spirit/home/qi/skip_flag.hpp> | |
#include <boost/spirit/home/qi/skip_over.hpp> | |
#include <boost/spirit/home/support/unused.hpp> | |
#include <boost/mpl/assert.hpp> | |
#include <boost/mpl/bool.hpp> | |
namespace boost { namespace spirit { namespace qi { namespace detail | |
{ | |
/////////////////////////////////////////////////////////////////////////// | |
template <typename Expr, typename Enable = void> | |
struct parse_impl | |
{ | |
// 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 qi expression. | |
// Did you intend to use the auto_ facilities while forgetting to | |
// #include <boost/spirit/include/qi_auto.hpp>? | |
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); | |
}; | |
template <typename Expr> | |
struct parse_impl<Expr | |
, typename enable_if<traits::matches<qi::domain, Expr> >::type> | |
{ | |
template <typename Iterator> | |
static bool call( | |
Iterator& first | |
, Iterator last | |
, Expr const& expr) | |
{ | |
return compile<qi::domain>(expr).parse( | |
first, last, unused, unused, unused); | |
} | |
}; | |
/////////////////////////////////////////////////////////////////////////// | |
template <typename Expr, typename Enable = void> | |
struct phrase_parse_impl | |
{ | |
// 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 qi expression. | |
// Did you intend to use the auto_ facilities while forgetting to | |
// #include <boost/spirit/include/qi_auto.hpp>? | |
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); | |
}; | |
template <typename Expr> | |
struct phrase_parse_impl<Expr | |
, typename enable_if<traits::matches<qi::domain, Expr> >::type> | |
{ | |
template <typename Iterator, typename Skipper> | |
static bool call( | |
Iterator& first | |
, Iterator last | |
, Expr const& expr | |
, Skipper const& skipper | |
, BOOST_SCOPED_ENUM(skip_flag) post_skip) | |
{ | |
// Report invalid expression error as early as possible. | |
// If you got an error_invalid_expression error message here, | |
// then the skipper is not a valid spirit qi expression. | |
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Skipper); | |
typedef | |
typename result_of::compile<qi::domain, Skipper>::type | |
skipper_type; | |
skipper_type const skipper_ = compile<qi::domain>(skipper); | |
if (!compile<qi::domain>(expr).parse( | |
first, last, unused, skipper_, unused)) | |
return false; | |
if (post_skip == skip_flag::postskip) | |
qi::skip_over(first, last, skipper_); | |
return true; | |
} | |
}; | |
}}}} | |
#endif | |