Copyright (c) 2000, 2013 IBM Corporation 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:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jdt.core.dom;

import java.util.ArrayList;
import java.util.List;

Continue statement AST node type.
ContinueStatement:
   continue [ Identifier ] ;

Since:
2.0
@noinstantiate
This class is not intended to be instantiated by clients./**
 * Continue statement AST node type.
 *
 * <pre>
 * ContinueStatement:
 *    <b>continue</b> [ Identifier ] <b>;</b>
 * </pre>
 *
 * @since 2.0
 * @noinstantiate This class is not intended to be instantiated by clients.
 */
@SuppressWarnings("rawtypes")
public class ContinueStatement extends Statement {

	
The "label" structural property of this node type (child type: SimpleName). 
Since:
3.0/**
	 * The "label" structural property of this node type (child type: {@link SimpleName}).
	 * @since 3.0
	 */
	public static final ChildPropertyDescriptor LABEL_PROPERTY =
		new ChildPropertyDescriptor(ContinueStatement.class, "label", SimpleName.class, OPTIONAL, NO_CYCLE_RISK); //$NON-NLS-1$

	
A list of property descriptors (element type: StructuralPropertyDescriptor), or null if uninitialized. /**
	 * A list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor}),
	 * or null if uninitialized.
	 */
	private static final List PROPERTY_DESCRIPTORS;

	static {
		List properyList = new ArrayList(2);
		createPropertyList(ContinueStatement.class, properyList);
		addProperty(LABEL_PROPERTY, properyList);
		PROPERTY_DESCRIPTORS = reapPropertyList(properyList);
	}

	
Returns a list of structural property descriptors for this node type.
Clients must not modify the result.
Params:
apiLevel – the API level; one of the
AST.JLS* constants
Returns:
a list of property descriptors (element type: StructuralPropertyDescriptor)
Since:
3.0/**
	 * Returns a list of structural property descriptors for this node type.
	 * Clients must not modify the result.
	 *
	 * @param apiLevel the API level; one of the
	 * <code>AST.JLS*</code> constants

	 * @return a list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor})
	 * @since 3.0
	 */
	public static List propertyDescriptors(int apiLevel) {
		return PROPERTY_DESCRIPTORS;
	}

	
The label, or null if none; none by default.
/**
	 * The label, or <code>null</code> if none; none by default.
	 */
	private SimpleName optionalLabel = null;

	
Creates a new unparented continue statement node owned by the given
AST. By default, the continue statement has no label.

N.B. This constructor is package-private.

Params:
ast – the AST that is to own this node/**
	 * Creates a new unparented continue statement node owned by the given
	 * AST. By default, the continue statement has no label.
	 * <p>
	 * N.B. This constructor is package-private.
	 * </p>
	 *
	 * @param ast the AST that is to own this node
	 */
	ContinueStatement(AST ast) {
		super(ast);
	}

	@Override
	final List internalStructuralPropertiesForType(int apiLevel) {
		return propertyDescriptors(apiLevel);
	}

	@Override
	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
		if (property == LABEL_PROPERTY) {
			if (get) {
				return getLabel();
			} else {
				setLabel((SimpleName) child);
				return null;
			}
		}
		// allow default implementation to flag the error
		return super.internalGetSetChildProperty(property, get, child);
	}

	@Override
	final int getNodeType0() {
		return CONTINUE_STATEMENT;
	}

	@Override
	ASTNode clone0(AST target) {
		ContinueStatement result = new ContinueStatement(target);
		result.setSourceRange(getStartPosition(), getLength());
		result.copyLeadingComment(this);
		result.setLabel((SimpleName) ASTNode.copySubtree(target, getLabel()));
		return result;
	}

	@Override
	final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
		// dispatch to correct overloaded match method
		return matcher.match(this, other);
	}

	@Override
	void accept0(ASTVisitor visitor) {
		boolean visitChildren = visitor.visit(this);
		if (visitChildren) {
			acceptChild(visitor, getLabel());
		}
		visitor.endVisit(this);
	}

	
Returns the label of this continue statement, or null if
there is none.
Returns:
the label, or null if there is none/**
	 * Returns the label of this continue statement, or <code>null</code> if
	 * there is none.
	 *
	 * @return the label, or <code>null</code> if there is none
	 */
	public SimpleName getLabel() {
		return this.optionalLabel;
	}

	
Sets or clears the label of this continue statement.
Params:
label – the label, or null if
   there is none
Throws:
IllegalArgumentException – if:

the node belongs to a different AST
the node already has a parent
/**
	 * Sets or clears the label of this continue statement.
	 *
	 * @param label the label, or <code>null</code> if
	 *    there is none
	 * @exception IllegalArgumentException if:
	 * <ul>
	 * <li>the node belongs to a different AST</li>
	 * <li>the node already has a parent</li>
	 * </ul>
	 */
	public void setLabel(SimpleName label) {
		ASTNode oldChild = this.optionalLabel;
		preReplaceChild(oldChild, label, LABEL_PROPERTY);
		this.optionalLabel = label;
		postReplaceChild(oldChild, label, LABEL_PROPERTY);
	}

	@Override
	int memSize() {
		return super.memSize() + 1 * 4;
	}

	@Override
	int treeSize() {
		return
			memSize()
			+ (this.optionalLabel == null ? 0 : getLabel().treeSize());
	}
}