[antlr-interest] abort parsing with special token

[Oliver Leimig]

Hello!  
  
I'm currently creating an ANTLR grammar for target language java.  
My grammar shall have a command "%cancel" to abort parsing when this  
command appears in the InputStream.  
  
What's probably the best way to tell ANTLR to stopp reading from the 
InputStream?   
{ doCancel(); } ?  
Perhaps filtering the Stream in advance? How?  
  
Thanx  
Oliver  
  




 
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