Re: [objc-improvements] Synced in with mainline yet again...

[Ziemowit Laski]

David,

I'll (hopefully) fix this tomorrow, before we merge to mainline.

--Zem

On Tuesday, Sep 16, 2003, at 13:56 US/Pacific, David Ayers wrote:

> Ziemowit Laski wrote:
>
> > The objc-improvements-merge-20030912 tag, to be exact.  Please try 
> > out.
>
> While we are waiting on enlightenment on the contents of the branch 
> :-), I've been hacking away on 'Class <Protocol>'.  I'll be posting an 
> RFC with a prospective patch, but it seems the front end could use 
> some cleanup that goes a bit further than C90, but more in a separate 
> post once I'm satisfied with some of the edge cases.
>
> But while setting up the tests for the feature I noticed an ICE on 
> invalid code:
>
> ---------------------------
> #include <objc/objc.h>
>
> @interface MyClass <UndefinedProtocol>
> @end
>
> @implementation MyClass
> +(Class)class
> {
>  return self;
> }
> @end
> ----------------------------
> =>
> QuickTest.m:3: error: cannot find protocol declaration for 
> `UndefinedProtocol'
> QuickTest.m: In function `+[MyClass class]':
>
> QuickTest.m:8: internal compiler error: tree check: expected 
> tree_list, have error_mark in lookup_method_in_protocol_list, at 
> objc/objc-act.c:587
>
> But from what I've seen, there isn't too much handling of the 
> error_mark tree in objc-act.c.  I still have to grok the mechanism 
> because I'd expect a lot more of these on many places.
>
> Please let me know if you want me to open a formal bug report.
>
> Cheers,
> David
--------------------------------------------------------------
Ziemowit Laski                 1 Infinite Loop, MS 301-2K
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