[cfe-commits] r70256 - in /cfe/trunk: include/clang/Basic/DiagnosticSemaKinds.td lib/Sema/Sema.h lib/Sema/SemaDecl.cpp lib/Sema/SemaDeclCXX.cpp test/SemaCXX/exceptions.cpp www/cxx_status.html

[Sebastian Redl]

On Mon, 27 Apr 2009 15:10:30 -0700, Chris Lattner <clattner at apple.com>
wrote:
> On Apr 27, 2009, at 2:33 PM, Sebastian Redl wrote:
> 
>> Author: cornedbee
>> Date: Mon Apr 27 16:33:24 2009
>> New Revision: 70256
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=70256&view=rev
>> Log:
>> Track down return statements in the handlers of a function-try-block  
>> of constructors. Meh ...
> 
> Hi Sebastian,
> 
> Instead of doing this as a treewalk, how about handling this in sema  
> of a return.  Just check to see if the context is a construction  
> function whose body is a try block there?

I've thought about this. However, this would mean either an additional
state variable in Sema (and it would have to be saved for members of local
classes), or a non-trivial query for every return statement.
Function-try-blocks are so rare in real-world code that I think my way is
better.

Sebastian