[antlr-interest] I misclassified ANTLR as LALL

Terence Parr parrt at cs.usfca.edu
Sat Jan 3 12:13:23 PST 2004


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

Sorry for the confusion.

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