[antlr-interest] How to rewrite rule with optional terms?
fridi70 at gmx.de
fridi70 at gmx.de
Mon May 26 13:10:38 PDT 2008
Hi,
if have a grammar like this:
op: queryOp ('>' INT)?;
INT: DIGIT+;
fragment
DIGIT: '0'..'9';
I want to rewrite the rule op in a manner that it adds '>' and '0' as children to the root if '>0' is missing.
How can I achieve this? Thanks in advance, fridi
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