[antlr-interest] heirarchical grammar

[amaresh_bikki]

Hai,

I am a newbie to ANTLR. 

I am trying to write a parser to the grammar that is mostly similar 
to this.

PERSON 'ETRAN_U450001'
  PERSON_ID 'ETRAN_U450001'
  GROUP 'FMCGRP'
  SYSTEM 'FMCSYS'
  LAST_NAME 'ETRAN_U45001'
  LEVEL 0
  IS_NOT_ABSENT
  DO NOT RESET_ABSENT
END 'ETRAN_U450001'

things in single quotes are values corresponsding to the Token b4 
that. The lines within PERSON can be in any order and can either be 
present or only appaear once. Let me know if anyone can give headsup 
on this. The problem I am facing is how to grammarize the non-
ordering part of it.

Thanks




 
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