why gengtype not a filter for GTY?

[Basile STARYNKEVITCH <basile at starynkevitch dot net>]

Dear All (and especially those implied in the GCC internal garbage
collector).

I read (and contributed a bit to) http://gcc.gnu.org/wiki/Memory_management
and also read http://gcc.gnu.org/onlinedocs/gccint/Type-Information.html

However, there is still a question which puzzles me a lot? Why gengtype is
not a sort of filter or generator (like yacc is) taking a (list of) files on
input and producing a file on output?

More precisely, why gengtype does not take the name of files to be parsed
for GTY(()) thru its program argument (ie argc,argv of its main - they are
explicitly marked as unused in $GCCTOP/gcc/gengtype.c)

I would believe it should make things simpler (in a lot of places) but I
cannot understand why it is not so? Why are the set of files to be parsed
for GTY()) so hard-coded in gengtype?

BTW, it is strange that gengtype* files do not mention any?author or
contributor (with an email to contact them)?

Regards.


-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/ 
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