[antlr-interest] ANTLR 3.1 incompatible change for tree parser labels?

[Terence Parr]

That is a bug i introduced :(  I have fixed it.  Last daily should  
have it.  will go in 3.1.1
Ter
On Aug 25, 2008, at 1:43 PM, FranklinChen at cmu.edu wrote:

> I am upgrading from ANTLR 3.0 to 3.1, and code that I used to have in
> a tree parser no longer works, because of a change to the return type
> of labels:
>
> anyWordsAndMedia
>    :
>        list+=anyWord+
>        (
>            list+=url
>            list+=anyWord*
>        )*
>        ->
>        anyWordsAndMedia(list={$list})
>    ;
>
> results in
>
>        List list_list=null;
>        ChatWalker.anyWord_return list = null;
>
> so that the assignment to url fails with
>
> ===
> incompatible types
> found   : org.talkbank.chat.antlr.ChatWalker.url_return
> required: org.talkbank.chat.antlr.ChatWalker.anyWord_return
> ===
>
> What is the correct way for me to do what I'd been doing up till now?
>
> -- 
> Franklin
>
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