[cfe-dev] [PATCH] Properly handle function attributes in grouping parentheses

John McCall rjmccall at apple.com
Wed Mar 17 19:23:19 PDT 2010


On Mar 16, 2010, at 10:05 PM, Charles Davis wrote:
> Ping...

Hey, Charles.  I'm not sure what response you're hoping for;  it sounds like your patch just doesn't work yet.  It's possible that my idea was bad, but I can't really tell without basically debugging the patch, which I'm afraid I haven't had the time to do and won't in the near future.

Perhaps breaking down the functionality more would help?  First test that your new DeclaratorChunk doesn't introduce problems on its own (without storing attributes in it), then implement attributes on top of that.

Sorry I couldn't help more.  Good luck!

John.

> On 3/1/10 7:29 AM, Charles Davis wrote:
>> Hi,
>> 
>> This patch is supposed to fix the other part of PR6408, by adding a
>> special type of DeclaratorChunk (as suggested by John McCall) and
>> attaching any attributes inside to that chunk. Then, Sema finds the
>> chunk and applies the attributes to the appropriate type.
>> 
>> Unfortunately, this patch has several major problems. In its current
>> state, it breaks two C++ test (test/CXX/special/class.ctor/p1.cpp and
>> test/SemaCXX/constructor.cpp). The first one is some weird interaction
>> between templates and my new code.
>> 
>> The second one uses two pairs of grouping parentheses on a constructor.
>> This confuses my code. All of my attempts to solve this just break more
>> tests--even so far as causing crashes! :(
>> 
>> Chip
> 
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