[antlr-interest] (unknown)

Christian CORMIER cormier at u-picardie.fr
Tue Mar 18 05:47:37 PST 2003


Hi,
I have in an AST a rule like this :
A : B (C)? ;
When B is recognized, a semantic action is necessary only if C is present.
How to do that?
Regards
Christian CORMIER
cormier at u-picardie.fr

 

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