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97 lines
3.5 KiB
97 lines
3.5 KiB
/*============================================================================= |
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Copyright (c) 2001-2011 Hartmut Kaiser |
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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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=============================================================================*/ |
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#if !defined(BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM) |
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#define BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM |
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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/qi/meta_compiler.hpp> |
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#include <boost/spirit/home/qi/skip_flag.hpp> |
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#include <boost/spirit/home/qi/skip_over.hpp> |
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#include <boost/spirit/home/support/unused.hpp> |
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#include <boost/mpl/assert.hpp> |
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#include <boost/mpl/bool.hpp> |
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namespace boost { namespace spirit { namespace qi { namespace detail |
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{ |
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/////////////////////////////////////////////////////////////////////////// |
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template <typename Expr, typename Enable = void> |
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struct parse_impl |
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{ |
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// Report invalid expression error as early as possible. |
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// If you got an error_invalid_expression error message here, |
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// then the expression (expr) is not a valid spirit qi expression. |
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// Did you intend to use the auto_ facilities while forgetting to |
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// #include <boost/spirit/include/qi_auto.hpp>? |
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BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); |
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}; |
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template <typename Expr> |
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struct parse_impl<Expr |
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, typename enable_if<traits::matches<qi::domain, Expr> >::type> |
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{ |
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template <typename Iterator> |
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static bool call( |
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Iterator& first |
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, Iterator last |
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, Expr const& expr) |
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{ |
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return compile<qi::domain>(expr).parse( |
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first, last, unused, unused, unused); |
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} |
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}; |
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/////////////////////////////////////////////////////////////////////////// |
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template <typename Expr, typename Enable = void> |
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struct phrase_parse_impl |
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{ |
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// Report invalid expression error as early as possible. |
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// If you got an error_invalid_expression error message here, |
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// then the expression (expr) is not a valid spirit qi expression. |
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// Did you intend to use the auto_ facilities while forgetting to |
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// #include <boost/spirit/include/qi_auto.hpp>? |
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BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); |
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}; |
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template <typename Expr> |
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struct phrase_parse_impl<Expr |
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, typename enable_if<traits::matches<qi::domain, Expr> >::type> |
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{ |
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template <typename Iterator, typename Skipper> |
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static bool call( |
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Iterator& first |
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, Iterator last |
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, Expr const& expr |
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, Skipper const& skipper |
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, BOOST_SCOPED_ENUM(skip_flag) post_skip) |
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{ |
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// Report invalid expression error as early as possible. |
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// If you got an error_invalid_expression error message here, |
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// then the skipper is not a valid spirit qi expression. |
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BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Skipper); |
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typedef |
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typename result_of::compile<qi::domain, Skipper>::type |
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skipper_type; |
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skipper_type const skipper_ = compile<qi::domain>(skipper); |
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if (!compile<qi::domain>(expr).parse( |
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first, last, unused, skipper_, unused)) |
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return false; |
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if (post_skip == skip_flag::postskip) |
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qi::skip_over(first, last, skipper_); |
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return true; |
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} |
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}; |
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}}}} |
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#endif |
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