[antlr-interest] optional sub rules

mklogic <mklogic at yahoo.com> mklogic at yahoo.com
Mon Feb 17 19:14:36 PST 2003


Hi, 

Is it legal to have a rule that contains sub rules that are all 
optional? I am getting nondeterminism warnings possibly because all 
my sub rules are optional. If I remove all the questions marks, the 
nondeterminism warning will away, but the meaning will be different.

Thanks 
  

 


 

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