You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
215 lines
7.0 KiB
215 lines
7.0 KiB
/*============================================================================= |
|
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) |
|
=============================================================================*/ |
|
#if !defined(BOOST_SPIRIT_PARSE_APRIL_16_2006_0442PM) |
|
#define BOOST_SPIRIT_PARSE_APRIL_16_2006_0442PM |
|
|
|
#if defined(_MSC_VER) |
|
#pragma once |
|
#endif |
|
|
|
#include <boost/spirit/home/support/context.hpp> |
|
#include <boost/spirit/home/support/nonterminal/locals.hpp> |
|
#include <boost/spirit/home/qi/detail/parse.hpp> |
|
#include <boost/concept_check.hpp> |
|
|
|
namespace boost { namespace spirit { namespace qi |
|
{ |
|
/////////////////////////////////////////////////////////////////////////// |
|
template <typename Iterator, typename Expr> |
|
inline bool |
|
parse( |
|
Iterator& first |
|
, Iterator last |
|
, Expr const& expr) |
|
{ |
|
// Make sure the iterator is at least a forward_iterator. If you got a |
|
// compilation error here, then you are using an input_iterator while |
|
// calling this function, you need to supply at least a |
|
// forward_iterator instead. |
|
BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); |
|
|
|
return detail::parse_impl<Expr>::call(first, last, expr); |
|
} |
|
|
|
template <typename Iterator, typename Expr> |
|
inline bool |
|
parse( |
|
Iterator const& first_ |
|
, Iterator last |
|
, Expr const& expr) |
|
{ |
|
Iterator first = first_; |
|
return qi::parse(first, last, expr); |
|
} |
|
|
|
/////////////////////////////////////////////////////////////////////////// |
|
namespace detail |
|
{ |
|
template <typename T> |
|
struct make_context |
|
{ |
|
typedef context<fusion::cons<T&>, locals<> > type; |
|
}; |
|
|
|
template <> |
|
struct make_context<unused_type> |
|
{ |
|
typedef unused_type type; |
|
}; |
|
} |
|
|
|
template <typename Iterator, typename Expr, typename Attr> |
|
inline bool |
|
parse( |
|
Iterator& first |
|
, Iterator last |
|
, Expr const& expr |
|
, Attr& attr) |
|
{ |
|
// Make sure the iterator is at least a forward_iterator. If you got a |
|
// compilation error here, then you are using an input_iterator while |
|
// calling this function, you need to supply at least a |
|
// forward_iterator instead. |
|
BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); |
|
|
|
// 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. |
|
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); |
|
|
|
typename detail::make_context<Attr>::type context(attr); |
|
return compile<qi::domain>(expr).parse(first, last, context, unused, attr); |
|
} |
|
|
|
template <typename Iterator, typename Expr, typename Attr> |
|
inline bool |
|
parse( |
|
Iterator const& first_ |
|
, Iterator last |
|
, Expr const& expr |
|
, Attr& attr) |
|
{ |
|
Iterator first = first_; |
|
return qi::parse(first, last, expr, attr); |
|
} |
|
|
|
/////////////////////////////////////////////////////////////////////////// |
|
template <typename Iterator, typename Expr, typename Skipper> |
|
inline bool |
|
phrase_parse( |
|
Iterator& first |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, BOOST_SCOPED_ENUM(skip_flag) post_skip = skip_flag::postskip) |
|
{ |
|
// Make sure the iterator is at least a forward_iterator. If you got a |
|
// compilation error here, then you are using an input_iterator while |
|
// calling this function, you need to supply at least a |
|
// forward_iterator instead. |
|
BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); |
|
|
|
return detail::phrase_parse_impl<Expr>::call( |
|
first, last, expr, skipper, post_skip); |
|
} |
|
|
|
template <typename Iterator, typename Expr, typename Skipper> |
|
inline bool |
|
phrase_parse( |
|
Iterator const& first_ |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, BOOST_SCOPED_ENUM(skip_flag) post_skip = skip_flag::postskip) |
|
{ |
|
Iterator first = first_; |
|
return qi::phrase_parse(first, last, expr, skipper, post_skip); |
|
} |
|
|
|
/////////////////////////////////////////////////////////////////////////// |
|
template <typename Iterator, typename Expr, typename Skipper, typename Attr> |
|
inline bool |
|
phrase_parse( |
|
Iterator& first |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, BOOST_SCOPED_ENUM(skip_flag) post_skip |
|
, Attr& attr) |
|
{ |
|
// Make sure the iterator is at least a forward_iterator. If you got a |
|
// compilation error here, then you are using an input_iterator while |
|
// calling this function, you need to supply at least a |
|
// forward_iterator instead. |
|
BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); |
|
|
|
// Report invalid expression error as early as possible. |
|
// If you got an error_invalid_expression error message here, |
|
// then either the expression (expr) or skipper is not a valid |
|
// spirit qi expression. |
|
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); |
|
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); |
|
|
|
typename detail::make_context<Attr>::type context(attr); |
|
if (!compile<qi::domain>(expr).parse( |
|
first, last, context, skipper_, attr)) |
|
return false; |
|
|
|
if (post_skip == skip_flag::postskip) |
|
qi::skip_over(first, last, skipper_); |
|
return true; |
|
} |
|
|
|
template <typename Iterator, typename Expr, typename Skipper, typename Attr> |
|
inline bool |
|
phrase_parse( |
|
Iterator const& first_ |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, BOOST_SCOPED_ENUM(skip_flag) post_skip |
|
, Attr& attr) |
|
{ |
|
Iterator first = first_; |
|
return qi::phrase_parse(first, last, expr, skipper, post_skip, attr); |
|
} |
|
|
|
/////////////////////////////////////////////////////////////////////////// |
|
template <typename Iterator, typename Expr, typename Skipper, typename Attr> |
|
inline bool |
|
phrase_parse( |
|
Iterator& first |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, Attr& attr) |
|
{ |
|
return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr); |
|
} |
|
|
|
template <typename Iterator, typename Expr, typename Skipper, typename Attr> |
|
inline bool |
|
phrase_parse( |
|
Iterator const& first_ |
|
, Iterator last |
|
, Expr const& expr |
|
, Skipper const& skipper |
|
, Attr& attr) |
|
{ |
|
Iterator first = first_; |
|
return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr); |
|
} |
|
}}} |
|
|
|
#endif |
|
|
|
|