content: /*******************************************************************************
   * Copyright (c) 2015 IBM Corporation and others.
   *
   * This program and the accompanying materials are made
   * available under the terms of the Eclipse Public License 2.0
   * which is available at https://www.eclipse.org/legal/epl-2.0/
   *
   * SPDX-License-Identifier: EPL-2.0
   * 
   * Contributors:
   *     Zend Technologies - initial API and implementation
   *******************************************************************************/
  package org.eclipse.php.core.ast.nodes;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  
  import org.eclipse.php.core.PHPVersion;
  import org.eclipse.php.core.ast.match.ASTMatcher;
  import org.eclipse.php.core.ast.visitor.Visitor;
  
  public class AnonymousClassDeclaration extends Expression {
  
  	private Expression superClass;
  	protected ASTNode.NodeList<Identifier> interfaces = new ASTNode.NodeList<>(INTERFACES_PROPERTY);
  	private Block body;
  
  	/**
  	 * The structural property of this node type.
  	 */
  	public static final ChildPropertyDescriptor SUPER_CLASS_PROPERTY = new ChildPropertyDescriptor(
  			AnonymousClassDeclaration.class, "superClass", Expression.class, //$NON-NLS-1$
  			OPTIONAL, NO_CYCLE_RISK);
  	public static final ChildListPropertyDescriptor INTERFACES_PROPERTY = new ChildListPropertyDescriptor(
  			AnonymousClassDeclaration.class, "interfaces", Identifier.class, //$NON-NLS-1$
  			NO_CYCLE_RISK);
  	public static final ChildPropertyDescriptor BODY_PROPERTY = new ChildPropertyDescriptor(
  			AnonymousClassDeclaration.class, "body", Block.class, MANDATORY, //$NON-NLS-1$
  			CYCLE_RISK);
  
  	/**
  	 * A list of property descriptors (element type:
  	 * {@link StructuralPropertyDescriptor}), or null if uninitialized.
  	 */
  	private static final List<StructuralPropertyDescriptor> PROPERTY_DESCRIPTORS;
  
  	static {
  		List<StructuralPropertyDescriptor> propertyList = new ArrayList<>(3);
  		propertyList.add(SUPER_CLASS_PROPERTY);
  		propertyList.add(INTERFACES_PROPERTY);
  		propertyList.add(BODY_PROPERTY);
  		PROPERTY_DESCRIPTORS = Collections.unmodifiableList(propertyList);
  	}
  
  	public AnonymousClassDeclaration(AST ast) {
  		super(ast);
  	}
  
  	public AnonymousClassDeclaration(int start, int end, AST ast, Expression superClass, List<Identifier> interfaces,
  			Block body) {
  		super(start, end, ast);
  
  		setSuperClass(superClass);
  		if (interfaces != null) {
  			Iterator<Identifier> iterator = interfaces.iterator();
  			while (iterator.hasNext()) {
  				this.interfaces.add(iterator.next());
  			}
  		}
  		setBody(body);
  	}
  
  	public Block getBody() {
  		return body;
  	}
  
  	public Expression getSuperClass() {
  		return superClass;
  	}
  
  	public List<Identifier> getInterfaces() {
  		return interfaces;
  	}
  
  	@Override
  	public void childrenAccept(Visitor visitor) {
  		if (superClass != null) {
  			superClass.accept(visitor);
  		}
  		if (interfaces != null) {
  			for (Identifier identifier : interfaces) {
  				identifier.accept(visitor);
  			}
  		}
  		body.accept(visitor);
  	}
  
  	@Override
  	public void traverseTopDown(Visitor visitor) {
  		if (superClass != null) {
  			superClass.traverseTopDown(visitor);
  		}
  		if (interfaces != null) {
  			for (Identifier identifier : interfaces) {
  				identifier.traverseTopDown(visitor);
  			}
  		}
  		body.traverseTopDown(visitor);
  	}
  
  	@Override
  	public void traverseBottomUp(Visitor visitor) {
  		if (superClass != null) {
  			superClass.traverseTopDown(visitor);
  		}
  		if (interfaces != null) {
  			for (Identifier identifier : interfaces) {
  				identifier.traverseTopDown(visitor);
  			}
  		}
  		body.traverseTopDown(visitor);
  
  	}
  
  	@Override
  	void accept0(Visitor visitor) {
  		final boolean visit = visitor.visit(this);
  		if (visit) {
  			childrenAccept(visitor);
  		}
  		visitor.endVisit(this);
  	}
  
  	@Override
  	public void toString(StringBuilder buffer, String tab) {
  		buffer.append(tab).append("<AnonymousClassDeclaration"); //$NON-NLS-1$
  		appendInterval(buffer);
  		buffer.append(">\n"); //$NON-NLS-1$
  
  		buffer.append(TAB).append(tab).append("<SuperClass>\n"); //$NON-NLS-1$
  		if (superClass != null) {
  			superClass.toString(buffer, TAB + TAB + tab);
  			buffer.append("\n"); //$NON-NLS-1$
  		}
  		buffer.append(TAB).append(tab).append("<SuperClass>\n"); //$NON-NLS-1$
  
  		buffer.append(TAB).append(tab).append("<Interfaces>\n"); //$NON-NLS-1$
  		if (interfaces != null) {
  			for (Identifier identifier : interfaces) {
  				identifier.toString(buffer, TAB + TAB + tab);
  				buffer.append("\n"); //$NON-NLS-1$
  			}
  		}
  		buffer.append(TAB).append(tab).append("<Interfaces>\n"); //$NON-NLS-1$
  
  		buffer.append(TAB).append(tab).append("<Body>\n"); //$NON-NLS-1$
  		if (body != null) {
  			body.toString(buffer, TAB + TAB + tab);
  			buffer.append("\n"); //$NON-NLS-1$
  		}
  		buffer.append(TAB).append(tab).append("<Body>\n"); //$NON-NLS-1$
  		buffer.append(tab).append("</AnonymousClassDeclaration>"); //$NON-NLS-1$
  	}
  
  	public void setBody(Block body) {
  		if (body == null) {
  			throw new IllegalArgumentException();
  		}
  		ASTNode oldChild = this.body;
  		preReplaceChild(oldChild, body, BODY_PROPERTY);
  		this.body = body;
  		postReplaceChild(oldChild, body, BODY_PROPERTY);
  	}
  
  	public void setSuperClass(Expression superClass) {
  		ASTNode oldChild = this.superClass;
  		preReplaceChild(oldChild, superClass, SUPER_CLASS_PROPERTY);
  		this.superClass = superClass;
  		postReplaceChild(oldChild, superClass, SUPER_CLASS_PROPERTY);
  	}
  
  	@Override
  	public boolean subtreeMatch(ASTMatcher matcher, Object other) {
  		return matcher.match(this, other);
  	}
  
  	@Override
  	ASTNode clone0(AST target) {
  		final Expression superClass = ASTNode.copySubtree(target, getSuperClass());
  		final List<Identifier> interfaces = ASTNode.copySubtrees(target, getInterfaces());
  		final Block body = ASTNode.copySubtree(target, getBody());
  		return new AnonymousClassDeclaration(getStart(), getEnd(), target, superClass, interfaces, body);
  	}
  
  	@Override
  	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
  		if (property == BODY_PROPERTY) {
  			if (get) {
  				return getBody();
  			} else {
  				setBody((Block) child);
  				return null;
  			}
  		}
  		if (property == SUPER_CLASS_PROPERTY) {
  			if (get) {
  				return getSuperClass();
  			} else {
  				setSuperClass((Identifier) child);
  				return null;
  			}
  		}
  		// allow default implementation to flag the error
  		return super.internalGetSetChildProperty(property, get, child);
  	}
  
  	@Override
  	final List<? extends ASTNode> internalGetChildListProperty(ChildListPropertyDescriptor property) {
  		if (property == INTERFACES_PROPERTY) {
  			return getInterfaces();
  		}
  		// allow default implementation to flag the error
  		return super.internalGetChildListProperty(property);
  	}
  
  	@Override
  	public int getType() {
  		return ASTNode.ANONYMOUS_CLASS_DECLARATION;
  	}
  
  	@Override
  	List<StructuralPropertyDescriptor> internalStructuralPropertiesForType(PHPVersion apiLevel) {
  		return PROPERTY_DESCRIPTORS;
  	}
  
  }
  