Re: "invalid token pasting" macro bug

From: Paul Mensonides (yg-boost-users_at_[hidden])
Date: 2003-09-02 20:41:44

James W. Walker wrote:
> When I use Spirit with CodeWarrior 9 (just released), I get a bunch of
> warnings as shown below.  The CodeWarrior release notes explain that
> "According to the language standard, the '##' token pasting operator
> can only generate other tokens.  This warning indicates when a paste
> was found that did not result in a token.  The code will still compile
> as it did previously, but it may be a useful hint if the compiler
> emits an error later on."
>
> Warning : invalid token pasting of 'BOOST_PP_LIST_FIRST_I' and '('
> (included from:
>   expanding macro 'BOOST_PP_LIST_FIRST'
>   expanding macro 'BOOST_PP_LIST_FOR_EACH_I_M_D'
>   expanding macro 'BOOST_PP_LIST_FOR_EACH_I_M'
>   expanding macro 'BOOST_PP_FOR_1_C'
>   expanding macro 'BOOST_PP_FOR_1'
>   expanding macro 'BOOST_PP_LIST_FOR_EACH_I'
>   type_traits.hpp:58
>   composite.ipp:16
>   composite.hpp:15
>   directives.hpp:27
>   numerics.hpp:19
>   core.hpp:34
>   spirit.hpp:30
>   ParseCalcLine.cp:5)
> type_with_alignment.hpp line 55       on_ptr, BOOST_PP_NIL))))))))))))

Try this:

#define BOOST_PP_CONFIG_FLAGS() BOOST_PP_CONFIG_STRICT()

(All of those warnings come from workarounds used for previous versions of
Metrowerks.)

Regards,
Paul Mensonides