public String toString(Predicate<GExpansion> filter) {
StringBuilder builder = new StringBuilder();
this.print(builder, 0, filter);
return builder.toString();
}
private void print(StringBuilder builder, int indent, Predicate<GExpansion> filter) {
if (!filter.test(this)) return;
builder.append("\n");
Utils.printIndent(builder, indent);
String kindString = kind.toString();
if (negativeLookahead) kindString = "negative" + kindString;
builder.append(Utils.lowerCaseFirst(kindString)).append("(");
switch (kind) {
case LookAhead:
if (semanticLookahead != null) {
builder.append("{ ");
builder.append(Printer.printToString(semanticLookahead, true).trim());
builder.append(" }");
break;
}
if (amount != -1) {
builder.append(amount);
break;
}
case Choice:
case Sequence:
case ZeroOrOne:
case ZeroOrMore:
case OneOrMore:
for (GExpansion child : children) {
child.print(builder, indent + 1, filter);
}
builder.append("\n");
Utils.printIndent(builder, indent);
break;
case NonTerminal:
if (this.name != null) builder.append(this.name).append(", ");
builder.append(symbol);
break;
case Terminal:
if (this.name != null) builder.append(this.name).append(", ");
builder.append(symbol);
break;
case Action:
builder.append("{");
if (action.size() == 1 && action.first().kind() != org.jlato.tree.Kind.IfStmt) {
builder.append(" ");
builder.append(Printer.printToString(action.first(), true).trim());
builder.append(" ");
} else {
builder.append("\n");
Utils.printIndented(action, builder, indent + 1);
Utils.printIndent(builder, indent);
}
builder.append("}");
break;
default:
}
builder.append(")");
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
this.print(builder, 0, e -> true);
return builder.toString();
}