import antlr.CommonAST;
import antlr.Token;
public class CommonASTWithLines extends CommonAST {
     private int line = 0;
     public void initialize(Token tok) {
          super.initialize(tok);
          line=tok.getLine();
     }
     public int getLine(){
          return line;
     }
}

initialize is automatically called when an AST is created from a Token object, which has its own line variable.

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Comments and alternative answers

Doesn't help when a different form of initialize() is called. Charles Duffy, Aug 12, 2003 In prticular, I'm trying to figure out how to get a useful line number for initialize(int, string) calls; as initialize isn't called with a token, the snipper herein simply doesn't Work For Me. Is this item helpful?  yes  no     Previous votes   Yes: 0  No: 0