@Override
public String toString() {
StringBuffer result = new StringBuffer();
result.append("{[LR0ItemCollection]" + System.getProperty("line.separator"));
LR0ItemSet[] sets = sets();
Symbol[] symbols = Symbol.symbols();
for (int i = 0; i < sets.length; i++) {
result.append(i + ":" + Grammar.CLOSURE(sets[i]));
result.append(System.getProperty("line.separator"));
for (int j = 0; j < symbols.length; j++) {
if (GOTO(i, symbols[j]) != null) {
result.append("[");
result.append(symbols[j]);
result.append(":");
result.append(GOTO(i, symbols[j]));
result.append("]");
}
}
result.append(System.getProperty("line.separator"));
}
result.append("}");
return result.toString();
}
LR0Collection(LR0ItemSet set) {
add(set, -1, null);
for (int i = 0; i < sets.size(); i++) {
System.out.print(".");
Symbol[] symbols = Symbol.symbols();
for (int j = 0; j < symbols.length; j++) {
addGoto(i, symbols[j], Grammar.GOTO(set(i), symbols[j]));
}
}
System.out.println();
}