[antlr-interest] Variables starting with _

[mzukowski at yci.com]

Antlr creates some of its own variables starting with _, so it might be
preventing you from doing the same.

Monty

-----Original Message-----
From: Andrew Deren [mailto:andrew at adersoftware.com]
Sent: Friday, March 14, 2003 2:59 PM
To: antlr-interest at yahoogroups.com
Subject: [antlr-interest] Variables starting with _


It seems antlr won't accept variables that start with _ (underscore)
for example, a parser rule:

rule { Exp _exp = null; }
    :
    _exp = exp
    ;

will result in TokenStreamException. I don't know if that is meant to be
that way, but I would think it should be fine, because _exp is valid
java/c++/c# variable name.
Andrew



 

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