Copyright (c) 2017 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) 2017 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 java.util.List;

import org.eclipse.jdt.internal.core.nd.Nd;
import org.eclipse.jdt.internal.core.nd.NdNode;
import org.eclipse.jdt.internal.core.nd.field.FieldList;
import org.eclipse.jdt.internal.core.nd.field.FieldLong;
import org.eclipse.jdt.internal.core.nd.field.FieldOneToOne;
import org.eclipse.jdt.internal.core.nd.field.StructDef;

Stores all annotation-related information for a single method. This is stored separately from the rest of the NdMethod structure in order to save space in the common case where a method has no annotations. /**
 * Stores all annotation-related information for a single method. This is stored separately from the rest of the
 * {@link NdMethod} structure in order to save space in the common case where a method has no annotations.
 */
public class NdMethodAnnotationData extends NdNode {
	public static final FieldOneToOne<NdMethod> METHOD;
	public static final FieldLong TAG_BITS;
	public static final FieldList<NdAnnotation> ANNOTATIONS;
	public static final FieldList<NdTypeAnnotation> TYPE_ANNOTATIONS;

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

	static {
		type = StructDef.create(NdMethodAnnotationData.class, NdNode.type);
		METHOD = FieldOneToOne.createOwner(type, NdMethod.type, NdMethod.ANNOTATION_DATA);
		TAG_BITS = type.addLong();
		ANNOTATIONS = FieldList.create(type, NdAnnotation.type);
		TYPE_ANNOTATIONS = FieldList.create(type, NdTypeAnnotation.type);
		type.done();
	}

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

	public NdMethodAnnotationData(NdMethod method) {
		super(method.getNd());

		METHOD.put(getNd(), this.address, method);
	}

	public void setTagBits(long bits) {
		TAG_BITS.put(getNd(), this.address, bits);
	}

	public long getTagBits() {
		return TAG_BITS.get(getNd(), this.address);
	}

	public List<NdTypeAnnotation> getTypeAnnotations() {
		return TYPE_ANNOTATIONS.asList(getNd(), this.address);
	}

	public List<NdAnnotation> getAnnotations() {
		return ANNOTATIONS.asList(getNd(), this.address);
	}

	public NdAnnotation createAnnotation() {
		return ANNOTATIONS.append(getNd(), getAddress());
	}

	public void allocateAnnotations(int length) {
		ANNOTATIONS.allocate(getNd(), getAddress(), length);
	}

	public NdTypeAnnotation createTypeAnnotation() {
		return TYPE_ANNOTATIONS.append(getNd(), getAddress());
	}

	public void allocateTypeAnnotations(int length) {
		TYPE_ANNOTATIONS.allocate(getNd(), getAddress(), length);
	}
}