Re: [patch]: Add push_macro/pop_macro feature for all targets by moving it from C frontent into libcpp

[Kai Tietz <ktietz70 at googlemail dot com>]

2009/11/10 Tom Tromey <tromey@redhat.com>:
>>>>>> "Kai" == Kai Tietz <ktietz70@googlemail.com> writes:
>
> Kai> ChangeLog for libcpp
> Kai> 2009-11-03 ?Kai Tietz ?<kai.tietz@onevision.com>
> Kai> ? ?* directives.c (do_pragma_push_macro): New pragma handler.
> Kai> ? ?(do_pragma_pop_macro): Likewise.
> Kai> ? ?(_cpp_init_internal_pragmas): Add push_macro and
> Kai> ? ?pop_macro handler to internal pragmas.
> Kai> ? ?(lex_macro_node_from_str): Removed.
> Kai> ? ?(cpp_push_definition): Replace lex_macro_node_from_str
> Kai> ? ?by _cpp_lex_identifier.
> Kai> ? ?(cpp_pop_definition): Likewise.
> Kai> ? ?* internal.h (_cpp_lex_identifier): New prototype.
> Kai> ? ?(def_pragma_macro): New structure.
> Kai> ? ?(cpp_reader): New member pushed_macros.
> Kai> ? ?* lex.c (_cpp_lex_identifier): New function.
> Kai> ? ?(lex_identifier_intern): New function.
> Kai> ? ?* init.c (cpp_create_reader): Initialize pushed_macros
> Kai> ? ?member.
> Kai> ? ?(cpp_destroy): Free elements in pushed_macros member.
> Kai> ? ?* pch.c (_cpp_save_pushed_macros): New function.
> Kai> ? ?(_cpp_restore_pushed_macros): Likewise.
> Kai> ? ?(_cpp_restore_pushed_macros): Use _cpp_save_pushed_macros.
> Kai> ? ?(cpp_read_state): Use _cpp_restore_pushed_macros.
>
> The libcpp parts are ok.
>
> I can't approve the other bits.
>
> Tom
>

Thanks for reviewing. As the parts changed by this patch in c-pragma.c
where just active for cygwin/mingw targets, and this patch just
removes implementation and TARGET macro there, I think that I can
approve it by  myself. I will commit it later, if there aren't an
objections.

Cheers,
Kai

-- 
|  (\_/) This is Bunny. Copy and paste
| (='.'=) Bunny into your signature to help
| (")_(") him gain world domination