| /******************************************************************************* |
| * Copyright (c) 2013 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.dom; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Creation reference expression AST node type (added in JLS8 API). |
| * |
| * <pre> |
| * CreationReference: |
| * Type <b>::</b> |
| * [ <b><</b> Type { <b>,</b> Type } <b>></b> ] |
| * <b>new</b> |
| * </pre> |
| * |
| * @since 3.10 |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| public class CreationReference extends MethodReference { |
| |
| /** |
| * The "type" structural property of this node type (child type: {@link Type}). |
| */ |
| public static final ChildPropertyDescriptor TYPE_PROPERTY = |
| new ChildPropertyDescriptor(CreationReference.class, "type", Type.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "typeArguments" structural property of this node type (element type: {@link Type}). |
| */ |
| public static final ChildListPropertyDescriptor TYPE_ARGUMENTS_PROPERTY = |
| internalTypeArgumentsFactory(CreationReference.class); |
| |
| /** |
| * A list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}), |
| * or null if uninitialized. |
| */ |
| private static final List PROPERTY_DESCRIPTORS_8_0; |
| |
| static { |
| List propertyList = new ArrayList(3); |
| createPropertyList(CreationReference.class, propertyList); |
| addProperty(TYPE_PROPERTY, propertyList); |
| addProperty(TYPE_ARGUMENTS_PROPERTY, propertyList); |
| PROPERTY_DESCRIPTORS_8_0 = reapPropertyList(propertyList); |
| } |
| |
| /** |
| * 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 AST.JLS* constants |
| * @return a list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}) |
| */ |
| public static List propertyDescriptors(int apiLevel) { |
| return PROPERTY_DESCRIPTORS_8_0; |
| } |
| |
| /** |
| * The type; lazily initialized; defaults to an unspecified type. |
| */ |
| private Type type = null; |
| |
| /** |
| * Creates a new AST node for an CreationReference declaration owned |
| * by the given AST. |
| * <p> |
| * N.B. This constructor is package-private; all subclasses must be |
| * declared in the same package; clients are unable to declare |
| * additional subclasses. |
| * </p> |
| * |
| * @param ast the AST that is to own this node |
| */ |
| CreationReference(AST ast) { |
| super(ast); |
| unsupportedIn2_3_4(); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on MethodReference. |
| */ |
| final ChildListPropertyDescriptor internalTypeArgumentsProperty() { |
| return TYPE_ARGUMENTS_PROPERTY; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final List internalStructuralPropertiesForType(int apiLevel) { |
| return propertyDescriptors(apiLevel); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) { |
| if (property == TYPE_PROPERTY) { |
| if (get) { |
| return getType(); |
| } else { |
| setType((Type) child); |
| return null; |
| } |
| } |
| // allow default implementation to flag the error |
| return super.internalGetSetChildProperty(property, get, child); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final List internalGetChildListProperty(ChildListPropertyDescriptor property) { |
| if (property == TYPE_ARGUMENTS_PROPERTY) { |
| return typeArguments(); |
| } |
| // allow default implementation to flag the error |
| return super.internalGetChildListProperty(property); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final int getNodeType0() { |
| return CREATION_REFERENCE; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone0(AST target) { |
| CreationReference result = new CreationReference(target); |
| result.setSourceRange(getStartPosition(), getLength()); |
| result.setType((Type) ASTNode.copySubtree(target, getType())); |
| result.typeArguments().addAll(ASTNode.copySubtrees(target, typeArguments())); |
| return result; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final boolean subtreeMatch0(ASTMatcher matcher, Object other) { |
| // dispatch to correct overloaded match method |
| return matcher.match(this, other); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| void accept0(ASTVisitor visitor) { |
| boolean visitChildren = visitor.visit(this); |
| if (visitChildren) { |
| // visit children in normal left to right reading order |
| acceptChild(visitor, getType()); |
| acceptChildren(visitor, this.typeArguments); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the type of this creation reference expression. |
| * |
| * @return the type node |
| */ |
| public Type getType() { |
| if (this.type == null) { |
| // lazy init must be thread-safe for readers |
| synchronized (this) { |
| if (this.type == null) { |
| preLazyInit(); |
| this.type = new SimpleType(this.ast); |
| postLazyInit(this.type, TYPE_PROPERTY); |
| } |
| } |
| } |
| return this.type; |
| } |
| |
| /** |
| * Sets the type of this creation reference expression. |
| * |
| * @param type the new type node |
| * @exception IllegalArgumentException if: |
| * <ul> |
| * <li>the node belongs to a different AST</li> |
| * <li>the node already has a parent</li> |
| * </ul> |
| */ |
| public void setType(Type type) { |
| if (type == null) { |
| throw new IllegalArgumentException(); |
| } |
| ASTNode oldChild = this.type; |
| preReplaceChild(oldChild, type, TYPE_PROPERTY); |
| this.type = type; |
| postReplaceChild(oldChild, type, TYPE_PROPERTY); |
| } |
| |
| /** |
| * Returns the live ordered list of type arguments of this creation reference expression. |
| * |
| * @return the live list of type arguments |
| * (element type: {@link Type}) |
| */ |
| public List typeArguments() { |
| return this.typeArguments; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int memSize() { |
| // treat Code as free |
| return BASE_NODE_SIZE + 2 * 4; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int treeSize() { |
| return |
| memSize() |
| + (this.type == null ? 0 : getType().treeSize()) |
| + (this.typeArguments == null ? 0 : this.typeArguments.listSize()); |
| } |
| } |