[antlr-interest] Performance Question
mzukowski at yci.com
mzukowski at yci.com
Mon Mar 3 08:12:37 PST 2003
Look ahead is probably quicker, but check the generated source and decide
for yourself.
Monty
-----Original Message-----
From: Trey Spiva [mailto:Trey.Spiva at embarcadero.com]
Sent: Thursday, February 27, 2003 5:49 AM
To: antlr-interest at yahoogroups.com
Subject: [antlr-interest] Performance Question
Is it better to increase the look ahead or is it better use semantic
predicates?
Example:
options
{
...
k = 2;
}
...
someRule
: IDENT LPAREN
| IDENT LBRACK
;
or is it better to do:
someRule
: (IDENT LPAREN)=>IDENT LPAREN
| IDENT LBRACK
;
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