gengtype plugin improvement last4round -patch 5 [typedopt]

[Basile Starynkevitch]

Hello All,

References:
http://gcc.gnu.org/ml/gcc-patches/2010-09/msg01744.html
and previous references

Attached patch to trunk r167024 did bootstrap.


######## gcc/ChangeLog entry
2010-11-22  Jeremie Salvucci <jeremie.salvucci@free.fr>
            Basile Starynkevitch <basile@starynkevitch.net>

        * gengtype.c
        (enum typekind, struct options, struct nested_ptr_data)
        (struct pair, NUM_PARAM, enum gc_used_enum, struct type, UNION_P)
        (UNION_OR_STRUCT_P): Moved into gengtype.h

        (string_type, scalar_nonchar, scalar_char): Removed static and
        added state_number fake value.
        (typedefs, structures, param_structs, variables): Removed static.
        (create_option): Removed function.
        (create_string_option, create_type_option, created_nested_option):
        New.
        (created_nested_ptr_option, create_optional_field_)
        (adjust_field_rtx_def, adjust_field_tree_exp): Updated accordingly.
        (adjust_field_type, process_gc_options, output_mangled_typename)
        (walk_type, write_func_for_structure, write_types, write_roots)
        (note_def_vec, dump_options): Ditto.  Access to options is
        protected by tests on their kind.

        * gengtype.h: Added a lot of comments.  Moved many definitions
        from gengtype.h and updated them.
        (typedef, structures, param_structs, variables): Declared extern.
        (enum typekind): Moved from gengtype.c and added TYPE_NONE.
        (enum option_kind): New.
        (struct options): Added discriminating kind, and info union.
        (struct nested_ptr_data): Moved from gengtype.c.
        (create_string_option, create_type_option, create_nested_option):
        New.
        (struct pair, enum_gc_used_enum, NUM_PARAM): Moved
        from gengtype.c and commented more.
        (struct_type): Ditto, added state_number.
        (string_type, scalar_nonchar, scalar_char): Moved from gengtype.c.
        (type_lineloc): New function.
        (UNION_P, UNION_OR_STRUCT_P): Moved from gengtype.c and commented
        more.
        (struct outf): Indented better.

        * gengtype-parse.c (str_optvalue_opt, type_optvalue, option):
        Updated for our discriminated option.

################

Ok for trunk?

-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
email: basile<at>starynkevitch<dot>net mobile: +33 6 8501 2359
8, rue de la Faiencerie, 92340 Bourg La Reine, France
*** opinions {are only mines, sont seulement les miennes} ***
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