org.unlaxer.parser.combinator.Optional Maven / Gradle / Ivy

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package org.unlaxer.parser.combinator;

import org.unlaxer.Name;
import org.unlaxer.ast.ASTNodeKind;
import org.unlaxer.parser.Parser;

public class Optional extends ChildOccursWithTerminator {

	private static final long serialVersionUID = 9178853471703766611L;

	public Optional(Parser inner) {
		super(inner);
	}

	public Optional(Name name, Parser inner) {
		super(name, inner);
	}
	
	public Optional(ASTNodeKind astNodeKind ,  Parser inner) {
		super(inner);
		addTag(astNodeKind.tag());
	}

	public Optional(Name name, ASTNodeKind astNodeKind ,  Parser inner) {
		super(name, inner);
		addTag(astNodeKind.tag());
	}


	@Override
	public int min() {
		return 0;
	}

	@Override
	public int max() {
		return 1;
	}
}