[Patch, ObjC/C++ V2, Part1] Recognize attributes on class, category and protocol declarations.

[IainS]

Mike,

I will note that, whilst the patch touches gcc/ gcc/c-family gcc/cp  
and gcc/objc,  it  *only* touches objc-specific routines or code paths.

Ergo, as per Nicola's relayed email from Joseph, it is eligible for  
your review, if you would have time.

(of course, I would welcome comments from any reviewer).

This is a re-issue of this patch that takes into account:
(a) Nicola's comment on the diagnostics strings
(b) makes some small stylistic changes (naming routines more  
consistently)
(c) factors a test out that is needed in several places (and by method  
attribs in part 2)
(d) Splits the patch into code & test-suite sections.

tested on i686-darwin9, x86_64-linux and a cross to cris-elf

OK for trunk?
Iain

On 26 Sep 2010, at 15:04, IainS wrote:
>
> gcc/c-family:
>
> 	* c-common.h (objc_start_class_interface): Adjust prototype.
> 	(objc_start_category_interface): Likewise.
> 	(objc_start_protocol): Likewise.
> 	* stub-objc.c (objc_start_protocol): Adjust for extra argument.
> 	(objc_start_class_interface): Likewise.
> 	(objc_start_category_interface): Likewise.
>
> gcc/objc:
>
> 	* objc-act.c (objc_start_class_interface): Handle and ignore  
> attributes.
> 	(objc_start_category_interface): Likewise.
> 	(objc_start_protocol): Likewise.
>
> gcc/cp:
>

	* parser.c (cp_parser_objc_valid_prefix_attributes): New.
> 	(cp_parser_declaration): Parse prefix attributes for ObjC++.
> 	(cp_parser_objc_protocol_declaration): Handle attributes.
> 	(cp_parser_objc_class_interface): Likewise.
> 	(cp_parser_objc_declaration): Likewise.
>
> gcc:
>
> 	* c-parser.c (c_parser_objc_class_definition): Adjust prototype.
> 	(c_parser_objc_protocol_definition): Likewise.
> 	(c_parser_external_declaration): Provide dummy attribute arguments.
> 	(c_parser_declaration_or_fndef): Parse prefix attributes for ObjC.
> 	(c_parser_objc_class_definition): Handle attributes.
> 	(c_parser_objc_protocol_definition): Likewise.
>

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> gcc/testsuite:
>
> 	* objc.dg/attributes: New.
> 	* objc.dg/attributes/attributes.exp: New.
> 	* objc.dg/attributes/class-attribute-1.m: New.
> 	* objc.dg/attributes/class-attribute-2.m: New
> 	* objc.dg/attributes/categ-attribute-1.m: New
> 	* objc.dg/attributes/categ-attribute-2.m: New
> 	* objc.dg/attributes/proto-attribute-1.m: New
>
> 	* obj-c++.dg/attributes: New.
> 	* obj-c++.dg/attributes/attributes.exp: New
> 	* obj-c++.dg/attributes/class-attribute-1.mm: New
> 	* obj-c++.dg/attributes/class-attribute-2.mm: New
> 	* obj-c++.dg/attributes/categ-attribute-1.mm: New
> 	* obj-c++.dg/attributes/categ-attribute-2.mm: New
> 	* obj-c++.dg/attributes/proto-attribute-1.mm: New

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