annotate DEPENDENCIES/generic/include/boost/spirit/home/qi/detail/parse.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 /*=============================================================================
Chris@16 2 Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16 3
Chris@16 4 Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 6 =============================================================================*/
Chris@16 7 #if !defined(BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM)
Chris@16 8 #define BOOST_SPIRIT_DETAIL_PARSE_DEC_02_2009_0411PM
Chris@16 9
Chris@16 10 #if defined(_MSC_VER)
Chris@16 11 #pragma once
Chris@16 12 #endif
Chris@16 13
Chris@16 14 #include <boost/spirit/home/qi/meta_compiler.hpp>
Chris@16 15 #include <boost/spirit/home/qi/skip_flag.hpp>
Chris@16 16 #include <boost/spirit/home/qi/skip_over.hpp>
Chris@16 17 #include <boost/spirit/home/support/unused.hpp>
Chris@16 18 #include <boost/mpl/assert.hpp>
Chris@16 19 #include <boost/mpl/bool.hpp>
Chris@16 20
Chris@16 21 namespace boost { namespace spirit { namespace qi { namespace detail
Chris@16 22 {
Chris@16 23 ///////////////////////////////////////////////////////////////////////////
Chris@16 24 template <typename Expr, typename Enable = void>
Chris@16 25 struct parse_impl
Chris@16 26 {
Chris@16 27 // Report invalid expression error as early as possible.
Chris@16 28 // If you got an error_invalid_expression error message here,
Chris@16 29 // then the expression (expr) is not a valid spirit qi expression.
Chris@16 30 // Did you intend to use the auto_ facilities while forgetting to
Chris@16 31 // #include <boost/spirit/include/qi_auto.hpp>?
Chris@16 32 BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr);
Chris@16 33 };
Chris@16 34
Chris@16 35 template <typename Expr>
Chris@16 36 struct parse_impl<Expr
Chris@16 37 , typename enable_if<traits::matches<qi::domain, Expr> >::type>
Chris@16 38 {
Chris@16 39 template <typename Iterator>
Chris@16 40 static bool call(
Chris@16 41 Iterator& first
Chris@16 42 , Iterator last
Chris@16 43 , Expr const& expr)
Chris@16 44 {
Chris@16 45 return compile<qi::domain>(expr).parse(
Chris@16 46 first, last, unused, unused, unused);
Chris@16 47 }
Chris@16 48 };
Chris@16 49
Chris@16 50 ///////////////////////////////////////////////////////////////////////////
Chris@16 51 template <typename Expr, typename Enable = void>
Chris@16 52 struct phrase_parse_impl
Chris@16 53 {
Chris@16 54 // Report invalid expression error as early as possible.
Chris@16 55 // If you got an error_invalid_expression error message here,
Chris@16 56 // then the expression (expr) is not a valid spirit qi expression.
Chris@16 57 // Did you intend to use the auto_ facilities while forgetting to
Chris@16 58 // #include <boost/spirit/include/qi_auto.hpp>?
Chris@16 59 BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr);
Chris@16 60 };
Chris@16 61
Chris@16 62 template <typename Expr>
Chris@16 63 struct phrase_parse_impl<Expr
Chris@16 64 , typename enable_if<traits::matches<qi::domain, Expr> >::type>
Chris@16 65 {
Chris@16 66 template <typename Iterator, typename Skipper>
Chris@16 67 static bool call(
Chris@16 68 Iterator& first
Chris@16 69 , Iterator last
Chris@16 70 , Expr const& expr
Chris@16 71 , Skipper const& skipper
Chris@16 72 , BOOST_SCOPED_ENUM(skip_flag) post_skip)
Chris@16 73 {
Chris@16 74 // Report invalid expression error as early as possible.
Chris@16 75 // If you got an error_invalid_expression error message here,
Chris@16 76 // then the skipper is not a valid spirit qi expression.
Chris@16 77 BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Skipper);
Chris@16 78
Chris@16 79 typedef
Chris@16 80 typename result_of::compile<qi::domain, Skipper>::type
Chris@16 81 skipper_type;
Chris@16 82 skipper_type const skipper_ = compile<qi::domain>(skipper);
Chris@16 83
Chris@16 84 if (!compile<qi::domain>(expr).parse(
Chris@16 85 first, last, unused, skipper_, unused))
Chris@16 86 return false;
Chris@16 87
Chris@16 88 if (post_skip == skip_flag::postskip)
Chris@16 89 qi::skip_over(first, last, skipper_);
Chris@16 90 return true;
Chris@16 91 }
Chris@16 92 };
Chris@16 93
Chris@16 94 }}}}
Chris@16 95
Chris@16 96 #endif
Chris@16 97