Copyright (c) 2015, 2016 Google, Inc and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
  Stefan Xenos (Google) - Initial implementation
/*******************************************************************************
 * Copyright (c) 2015, 2016 Google, Inc and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Stefan Xenos (Google) - Initial implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core.nd.java;

import org.eclipse.jdt.internal.compiler.impl.BooleanConstant;
import org.eclipse.jdt.internal.compiler.impl.Constant;
import org.eclipse.jdt.internal.core.nd.Nd;
import org.eclipse.jdt.internal.core.nd.field.FieldByte;
import org.eclipse.jdt.internal.core.nd.field.StructDef;

public final class NdConstantBoolean extends NdConstant {
	public static final FieldByte VALUE;

	@SuppressWarnings("hiding")
	public static StructDef<NdConstantBoolean> type;

	static {
		type = StructDef.create(NdConstantBoolean.class, NdConstant.type);
		VALUE = type.addByte();
		type.done();
	}

	public NdConstantBoolean(Nd nd, long address) {
		super(nd, address);
	}

	protected NdConstantBoolean(Nd nd) {
		super(nd);
	}

	public static NdConstantBoolean create(Nd nd, boolean value) {
		NdConstantBoolean result = new NdConstantBoolean(nd);
		result.setValue(value);
		return result;
	}

	public void setValue(boolean value) {
		VALUE.put(getNd(), this.address, value ? (byte)1 : (byte)0);
	}

	public boolean getValue() {
		return VALUE.get(getNd(), this.address) != 0;
	}

	@Override
	public Constant getConstant() {
		return BooleanConstant.fromValue(getValue());
	}
}