216 lines
7.2 KiB
C++
216 lines
7.2 KiB
C++
/*=============================================================================
|
|
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
|
|
|