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/**
 * Copyright 2002-2016 Evgeny Gryaznov
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.textmapper.tool.parser.ast;

import org.textmapper.tool.parser.TMTree.TextSource;

public class TmaLookaheadPredicate extends TmaNode {

	private final boolean negate;
	private final TmaSymref symrefNoargs;

	public TmaLookaheadPredicate(boolean negate, TmaSymref symrefNoargs, TextSource source, int line, int offset, int endoffset) {
		super(source, line, offset, endoffset);
		this.negate = negate;
		this.symrefNoargs = symrefNoargs;
	}

	public boolean isNegate() {
		return negate;
	}

	public TmaSymref getSymrefNoargs() {
		return symrefNoargs;
	}

	@Override
	public void accept(TmaVisitor v) {
		if (!v.visit(this)) {
			return;
		}
		if (symrefNoargs != null) {
			symrefNoargs.accept(v);
		}
	}
}