cant parse "val = 2 * * 2"

Hello,

I try out to compile the extend version of yesterday (Larry)

But I fail:

My goal is to produce a user information (error/warning), when
the following string

is parsed:

"val = 2 * * 2"

tok.my_mul equals '*' in the lexer

The correct form is:

"val = 2 * 2"

Then next problem is in line 5.

It differs from "bool", but how to "throw MyException" ?

Thanks for helping

Jens

1 term =

-

-

factor [ _val = qi::_1]

-

>>
*( (tok.my_mul >> skip(space)[

-

tok.my_mul

-

]
[lex::_pass = lex::pass_flags::pass_fail ])
// <--- here

-

|
(tok.my_mul >> factor [ _val *= qi::_1])

-

|
('/' >> factor [ _val /= qi::_1])

-

)

-

;

-

-

-

/usr/include/boost/proto/transform/default.hpp:154: Fehler: cannot convert 'const
boost::spirit::lex::pass_flags' to 'bool' in assignment

-

BOOST_PROTO_BINARY_DEFAULT_EVAL(=,
assign, make_mutable, make)

-

^

-

-

/usr/include/boost/proto/transform/default.hpp:154: Fehler: cannot convert 'const
boost::spirit::lex::pass_flags' to 'bool' in assignment

-

-

/usr/include/boost/spirit/home/support/action_dispatch.hpp:178: Fehler: no match for call to '(const
boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::assign,

boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,

boost::proto::argsns_::term<boost::phoenix::argument<3>
>, 0l>,
boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal,

boost::proto::argsns_::term<boost::spirit::lex::pass_flags>,
0l> > >, 2l> >)
(boost::spirit::traits::pass_attribute<boost::spirit::qi::skip_parser<boost::spirit::lex::reference<const

boost::spirit::lex::token_def<char>, long unsigned
int>,
boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space,

boost::spirit::char_encoding::ascii> > >, char,
void>::type&,
boost::spirit::context<boost::fusion::cons<dBaseParser::expression_ast&,

boost::fusion::nil>, boost::fusion::vector0<>
>&, bool&)'

-

f(attr_wrap,
context, pass);

-

^

-

-

/usr/include/boost/type_traits/make_unsigned.hpp:38: Fehler: static assertion failed: (::boost::type_traits::ice_or<
::boost::is_integral<T>::value, ::boost::is_enum<T>::value>::value)

-

BOOST_STATIC_ASSERT(

-

^

-

-

/usr/include/boost/type_traits/make_signed.hpp:38: Fehler: static assertion failed: (::boost::type_traits::ice_or<
::boost::is_integral<T>::value, ::boost::is_enum<T>::value>::value)

-

BOOST_STATIC_ASSERT(

-

^

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