[LLVMdev] ANTLR?

[Vikram S. Adve]

Right, I understand that.  I was hoping there was such an  
implementation using ANTLR since it looks like a fairly mature project.

I'm not sure how stable or mature Elsa is (but comments to clarify  
that would be appreciated.).  E.g., a quick scan of their Web page  
shows the comment that they only have a partial type checker.  It also  
says their template instantiation is incomplete.

--Vikram
Associate Professor, Computer Science
University of Illinois at Urbana-Champaign
http://llvm.org/~vadve



On Jul 11, 2009, at 3:23 PM, Chris Lattner wrote:

>
> On Jul 11, 2009, at 12:40 PM, Vikram S. Adve wrote:
>
>> We are looking for an open source C++ parser other than g++ if
>> possible.  Clang would be great but its C++ support is still some
>> way away and we need something that works or nearly works now.  Does
>> anyone have any experience with ANTLR for parsing C++ and for
>> extending their C++ parser?  Any other feedback on ANTLR in general
>> would be welcome too.  Thanks,
>
> You need a lot more than a traditional parser to parse c++, you have
> to do full template instantiation, partial template specialization etc
> just to be able to correctly parse it.  The "best answer" if you need
> something ASAP is to use Elsa.
>
> -Chris
>
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