Re: [Boost-users] [spirit][qi] Iteration / string iterator

Subject: Re: [Boost-users] [spirit][qi] Iteration / string iterator
From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2010-10-01 17:34:38

> can anybody explain to me why this example from the Spirit.Qi manual works
> 
> http://www.boost.org/doc/libs/1_44_0/libs/spirit/example/qi/complex_number
> .cpp
> 
> and when I try to use the string iterators directly I get a horrific
> compiler error? Something to do with string iterators being pointers or
> something?
> 
>         std::string s = "(2, 3)";   // < line added to example
>         bool r = phrase_parse(s.begin(), s.end(), //< only line changed in
> the example was (first, last)
>             //  Begin grammar
>             (
>                     '(' >> double_[ref(rN) = _1]
>                         >> -(',' >> double_[ref(iN) = _1]) >> ')'
>                 |   double_[ref(rN) = _1]
>             ),
>             //  End grammar
> 
>             space);

What Spirit version are you looking at?

Regards Hartmut
---------------
http://boost-spirit.com

> 
> 
> Thank you
> Alfredo
> error message below:
> 
> complex_number.cpp: In function 'bool client::parse_complex(Iterator,
> Iterator, std::complex<double>&) [with Iterator =
> __gnu_cxx::__normal_iterator<char*, std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > >]':
> complex_number.cpp:81:   instantiated from here
> complex_number.cpp:51: error: no matching function for call to
> 'phrase_parse(__gnu_cxx::__normal_iterator<char*,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> >, __gnu_cxx::__normal_iterator<char*, std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > >, const
> boost::proto::exprns_::expr<boost::proto::tag::bitwise_or,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::negate,
> boost::proto::argsns_::list1<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&>, 1l>&>, 2l>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const char&>, 0l> >, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>, const boost::spirit::ascii::space_type&)'
> /g/g91/correaa/usr/include/boost/spirit/home/qi/parse.hpp:62: note:
> candidates are: bool boost::spirit::qi::phrase_parse(Iterator&,
> Iterator, const Expr&, const Skipper&,
> boost::spirit::qi::skip_flag::enum_t) [with Iterator =
> __gnu_cxx::__normal_iterator<char*, std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > >, Expr =
> boost::proto::exprns_::expr<boost::proto::tag::bitwise_or,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::negate,
> boost::proto::argsns_::list1<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&>, 1l>&>, 2l>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const char&>, 0l> >, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>, Skipper = boost::spirit::ascii::space_type]
> /g/g91/correaa/usr/include/boost/spirit/home/qi/detail/parse_auto.hpp:
> 164: note:                 bool
> boost::spirit::qi::phrase_parse(Iterator&, Iterator, Expr&, const
> Skipper&, boost::spirit::qi::skip_flag::enum_t) [with Iterator =
> __gnu_cxx::__normal_iterator<char*, std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > >, Expr = const
> boost::proto::exprns_::expr<boost::proto::tag::bitwise_or,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::negate,
> boost::proto::argsns_::list1<const
> boost::proto::exprns_::expr<boost::proto::tag::shift_right,
> boost::proto::argsns_::list2<boost::proto::exprns_::expr<boost::proto::tag
> ::terminal,
> boost::proto::argsns_::term<const char&>, 0l>, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>&>, 1l>&>, 2l>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const char&>, 0l> >, 2l>&, const
> boost::proto::exprns_::expr<boost::proto::tag::subscript,
> boost::proto::argsns_::list2<const
> boost::spirit::terminal<boost::spirit::tag::double_>&,
> boost::proto::exprns_::expr<boost::proto::tag::terminal,
> boost::proto::argsns_::term<const
> boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eva
> l,
> boost::fusion::vector<boost::phoenix::reference<double>,
> boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >&>,
> 0l> >, 2l>&>, 2l>, Skipper = boost::spirit::ascii::space_type]
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