[PATCH 1/2] Fortran: Cleanup struct ext_attr_t

[Mikael Morin]

Le 21/11/2022 à 21:34, Bernhard Reutner-Fischer a écrit :
> On Mon, 21 Nov 2022 12:08:20 +0100
> Mikael Morin <morin-mikael@orange.fr> wrote:
> 
>>> 	* gfortran.h (struct ext_attr_t): Remove middle_end_name.
>>> 	* trans-decl.cc (add_attributes_to_decl): Move building
>>> 	tree_list to ...
>>> 	* decl.cc (gfc_match_gcc_attributes): ... here. Add the attribute to
>>> 	the tree_list for the middle end.
>>>    
>> I prefer to not do any middle-end stuff at parsing time, so I would
>> rather not do this change.
>> Not OK.
> 
> Ok, that means we should filter-out those bits that we don't want to
> write to the module (right?). We've plenty of bits left, more than Dave
> Love would want to have added, i hope, so that should not be much of a
> concern.
> 
I didn't think of modules.  Yes, that means we have to store (in memory) 
the attribute we have parsed, and we can filter-out the attributes at 
the time the attributes are written to the module.  I don't think it is 
strictly necessary (for flatten, at least) though.

> What that table really wants to say is whether or not this attribute
> should be passed to the ME. Would it be acceptable to remove these
> duplicate strings and just have a bool/char/int that is true if it
> should be lowered (in trans-decl, as before)? But now i admit it's just
> bikeshedding and we can as well leave it alone for now.. It was just a
> though.
> 
Yes, that would be acceptable.