Re: [patch] support for -fdump-ada-spec

[Arnaud Charlet <charlet at adacore dot com>]

> With those changes, the C++ front-end changes are OK.

Thanks for the quick review.
Here is an updated patch taking all comments into account (left to review is
the C front-end and "driver" parts, thanks in advance).

2010-04-26  Arnaud Charlet  <charlet@adacore.com>
            Matthew Gingell  <gingell@adacore.com>

	* tree-dump.c (dump_files): Add ada-spec.
	(FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
	* tree-pass.h (tree_dump_index): Add TDI_ada.
	* gcc.c: Add support for -C without -E and for -fdump-ada-spec.
	(cpp_unique_options): Do not reject -C or -CC when -E isn't present.
	(default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
	* c-decl.c: Include c-ada-spec.h.
	(collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
	functions.
	(c_write_global_declarations): Add handling of -fdump-ada-spec.
	* c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
	* Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
	* c-ada-spec.h, c-ada-spec.c: New files.

cp/     
	* Make-lang.in (CXX_C_OBJS): Add c-ada-spec.o.
	* decl2.c: Include langhooks.h and c-ada-spec.h.
	(cpp_check, collect_source_refs, collect_ada_namespace,
	collect_all_refs): New functions.
	(cp_write_global_declarations): Add handling of -fdump-ada-spec.
	* lang-specs.h: Ditto.

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