private Expression parseEvaluation(VariableExpression variable) throws ParseException {
  expect(Token.EQUATION);
  if (token != Token.STRING) {
    throw new ParseException("Evaluations must be of the form Var = String",lexer.getCurrentOffset());
  }
  String s=lexer.getTokenString();
  nextToken();
  return new EvaluationExpression(variable,s.replace("\"",""));
}

private Expression parseEvaluation ( VariableExpression variable ) throws ParseException { expect ( Token . EQUATION ) ; if ( token != Token . STRING ) { throw new ParseException ( "Evaluations must be of the form Var = String" , lexer . getCurrentOffset ( ) ) ; } String s = lexer . getTokenString ( ) ; nextToken ( ) ; return new EvaluationExpression ( variable , s . replace ( "\"" , "" ) ) ; }
creates an evaluation expression .
