[LLVMdev] ANTLR?

[Vikram S. Adve]

Thanks to everyone who has responded to my questions about a C++  
parser.  My original impression matched what David wrote below, which  
is that only g++ and EDG have complete, standards-compliant C++ front  
ends.  Unfortunately, both licenses are less than ideal from our POV.   
Also, we need both a front-end and a code generator.  On the other  
hand, we don't need full compliance *today* -- something that is close  
3 months from today and nearly fully compliant in 6-9 months would  
work for us -- so we are going to take a closer look at the plans for  
clang.

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



On Jul 12, 2009, at 2:09 AM, David Minor wrote:

> I've done extensive research on the subject and if you want to parse  
> ALL of C++, there are only two options, g++ or the Edison Design  
> Group C++ front-end.  Both of these have projects designed to make  
> this easier LLVM (as you know) and Rose (http:// 
> www.rosecompiler.org/), which works with the EDG compiler.  AspectC+ 
> +, OpenC++, Antler, TLX, all work with only a portion of the grammer.
>
> On Sat, Jul 11, 2009 at 10:40 PM, Vikram S. Adve <vadve at cs.uiuc.edu>  
> 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,
>
> --Vikram
> Associate Professor, Computer Science
> University of Illinois at Urbana-Champaign
> http://llvm.org/~vadve
>
> P.S.   Sorry for the spam. I know this question is not directly LLVM  
> related but it is peripherally related and this list is the best  
> source I could think of for C++ parsing experience.
>
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