public LexerNode clone() {
LexerNode node = new LexerNode();
node.finalTokenName = this.finalTokenName;
for (Map.Entry<Rule, LexerNode> entry : this.actions.entrySet()) {
node.actions.put(entry.getKey().clone(), entry.getValue().clone());
}
for (String ongoing : this.ongoingParsing) {
node.ongoingParsing.add(ongoing);
}
return node;
}
public void append(LexerNode node) throws Exception {
for (Map.Entry<Rule, LexerNode> action : actions.entrySet()) {
if (action.getKey() instanceof RuleEpsilon) continue;
action.getValue().append(node);
}
if (actions.containsKey(new RuleEpsilon())) {
actions.remove(new RuleEpsilon());
merge(node.clone());
}
if (actions.size() == 0 || finalTokenName != null) {
finalTokenName = null;
merge(node.clone());
}
}