options {
  JAVA_UNICODE_ESCAPE = true;
}
PARSER_BEGIN(Parser)

import edu.du.cs.comp3351.p2.PrettyPrinter;

public class Parser {
   public static void main(String args[]){
      Parser parser = new Parser(System.in);
      try {
         CompilationUnit root = parser.CompilationUnit();
         new PrettyPrinter().visit(root);
      } catch (ParseException e) {
         System.err.println("Parse error."); // for submission
         // System.err.println("Parse error: " + e); // for debugging
      } catch (TokenMgrError tme) {
         System.err.println("Parse error."); // for submission
         // System.err.println("Parse error: " + tme); // for debugging
      }
    }
}
PARSER_END(Parser)

/* WHITESPACE */
SKIP :
{
  " " | "\t" | "\n" | "\r" | "\f"
}

/* 3351: add regular expressions for tokens here */

void CompilationUnit() :
{}
{
  /* 3351: add main expression of language here (and insert
     rules for language below) */
  <EOF>
}