private void normalize() {
for (Nonterminal n : this.grammar.getNonterminals()) {
Expression result = this.grammar.getExpression(n).accept(this);
if (n.equals(this.grammar.getStartSymbol().entrySet().iterator().next().getKey())) {
start.put(n, result);
}
temp.put(n, result);
temp.putAll(newRules);
}
this.normalizedGrammar.setGrammarMap(temp);
this.normalizedGrammar.setStartSymbol(start);
}
