[gomp] Parser for OpenMP directives

[Zack Weinberg]

Zack Weinberg <zack@codesourcery.com> writes:

>> The pragma namespace ("GCC", "STDC", "omp") might or might not be a
>> property of the #pragma special token rather than a separate token,
>> as might the following identifier naming the pragma in question.
>
> Since cpplib already has a bunch of machinery for mapping a pragma
> namespace + operation identifier to a callback routine, my inclination
> would be to continue to use this, and have the token value of the
> "__pragma" keyword be a pointer to the appropriate callback.

... and therefore, having/preserving separate tokens for the namespace
and operation would not be necessary.  Just to be clear.

zw