[antlr-interest] I misclassified ANTLR as LALL

[Oliver Zeigermann]

Terence Parr wrote:

> Folks,
> 
> After communicating with the inventors of the LALL class of grammars, I 
> have an example grammar that is LALL but not SLL.  Furthermore, ANTLR 

Could you send this grammar to the list, please?

> does not accept it so ANTLR cannot handle the LALL class directly.  To 
> set the record straight then:
> 
> PCCTS: SLL(k) + sem and syn preds with hoisting of sem preds
> ANTLR 2.x: SLL_1(k) + sem and syn preds

Is the "_1" in SLL_1 indicating approximated lookahea?


> ANTLR 3: SLL-regular(k) + sem and syn preds with hoisting of sem preds

Do you have any pointers to papers on SLL-regular or is this your invention?

Oliver

> Sorry for the confusion.
> 
> Terence
> --
> Professor Comp. Sci., University of San Francisco
> Creator, ANTLR Parser Generator, http://www.antlr.org
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