plugins/org.eclipse.dltk.javascript.parser/src/org/eclipse/dltk/javascript/ast/Keyword.java

/*******************************************************************************
 * Copyright (c) 2009 xored software, Inc.  
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0  
 *
 * Contributors:
 *     xored software, Inc. - initial API and Implementation (Vladimir Belov)
 *******************************************************************************/
package org.eclipse.dltk.javascript.ast;

import org.eclipse.core.runtime.Assert;
import org.eclipse.dltk.ast.ASTNode;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.javascript.internal.parser.JSLiterals;

public class Keyword extends ASTNode implements ISourceable {

	private final String keyword;

	public Keyword(String keyword) {
		super(-1, -1);
		this.keyword = keyword;
	}

	public String getKeyword() {
		return this.keyword;
	}

	@Override
	public String toString() {
		return toSourceString(JSLiterals.EMPTY);
	}

	public String toSourceString(String indentationString) {
		Assert.isTrue(sourceStart() >= 0);
		Assert.isTrue(sourceEnd() > 0);
		return keyword;
	}

	@Override
	public void traverse(ASTVisitor visitor) throws Exception {
		if (visitor.visit(this)) {
			visitor.endvisit(this);
		}
	}

}