| /******************************************************************************* |
| * Copyright (c) 2013, 2014 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; |
| |
| /** |
| * Super method reference AST node type (added in JLS8 API). |
| * |
| * <pre> |
| * SuperMethodReference: |
| * [ ClassName <b>.</b> ] <b>super</b> <b>::</b> |
| * [ <b><</b> Type { <b>,</b> Type } <b>></b> ] |
| * Identifier |
| * </pre> |
| * |
| * @since 3.10 |
| * @noinstantiate This class is not intended to be instantiated by clients |
| */ |
| public class SuperMethodReference extends MethodReference { |
| |
| /** |
| * The "qualifier" structural property of this node type (child type: {@link Name}). |
| */ |
| public static final ChildPropertyDescriptor QUALIFIER_PROPERTY = |
| new ChildPropertyDescriptor(SuperMethodReference.class, "qualifier", Name.class, OPTIONAL, 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(SuperMethodReference.class); |
| |
| /** |
| * The "name" structural property of this node type (child type: {@link SimpleName}). |
| */ |
| public static final ChildPropertyDescriptor NAME_PROPERTY = |
| new ChildPropertyDescriptor(SuperMethodReference.class, "name", SimpleName.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * 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(4); |
| createPropertyList(SuperMethodReference.class, propertyList); |
| addProperty(QUALIFIER_PROPERTY, propertyList); |
| addProperty(TYPE_ARGUMENTS_PROPERTY, propertyList); |
| addProperty(NAME_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 |
| * <code>AST.JLS*</code> constants |
| * @return a list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}) |
| */ |
| public static List propertyDescriptors(int apiLevel) { |
| return PROPERTY_DESCRIPTORS_8_0; |
| } |
| |
| /** |
| * The optional qualifier; <code>null</code> for none; defaults to none. |
| */ |
| private Name optionalQualifier = null; |
| |
| /** |
| * The method name; lazily initialized; defaults to a unspecified, |
| * legal Java method name. |
| */ |
| private SimpleName methodName = null; |
| /** |
| * Creates a new AST node for a super method reference owned |
| * by the given AST. By default, there is no qualifier. |
| * <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 |
| */ |
| SuperMethodReference(AST ast) { |
| super(ast); |
| unsupportedIn2_3_4(); |
| } |
| |
| @Override |
| final ChildListPropertyDescriptor internalTypeArgumentsProperty() { |
| return TYPE_ARGUMENTS_PROPERTY; |
| } |
| |
| @Override |
| final List internalStructuralPropertiesForType(int apiLevel) { |
| return propertyDescriptors(apiLevel); |
| } |
| |
| @Override |
| final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) { |
| if (property == QUALIFIER_PROPERTY) { |
| if (get) { |
| return getQualifier(); |
| } else { |
| setQualifier((Name) child); |
| return null; |
| } |
| } |
| if (property == NAME_PROPERTY) { |
| if (get) { |
| return getName(); |
| } else { |
| setName((SimpleName) child); |
| return null; |
| } |
| } |
| // allow default implementation to flag the error |
| return super.internalGetSetChildProperty(property, get, child); |
| } |
| |
| @Override |
| final List internalGetChildListProperty(ChildListPropertyDescriptor property) { |
| if (property == TYPE_ARGUMENTS_PROPERTY) { |
| return typeArguments(); |
| } |
| // allow default implementation to flag the error |
| return super.internalGetChildListProperty(property); |
| } |
| |
| @Override |
| final int getNodeType0() { |
| return SUPER_METHOD_REFERENCE; |
| } |
| |
| @Override |
| ASTNode clone0(AST target) { |
| SuperMethodReference result = new SuperMethodReference(target); |
| result.setSourceRange(getStartPosition(), getLength()); |
| result.setName((SimpleName) getName().clone(target)); |
| result.setQualifier((Name) ASTNode.copySubtree(target, getQualifier())); |
| result.typeArguments().addAll(ASTNode.copySubtrees(target, typeArguments())); |
| 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) { |
| // visit children in normal left to right reading order |
| acceptChild(visitor, getQualifier()); |
| acceptChildren(visitor, this.typeArguments); |
| acceptChild(visitor, getName()); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the qualifier of this "super" method reference, or |
| * <code>null</code> if there is none. |
| * |
| * @return the qualifier name node, or <code>null</code> if there is none |
| */ |
| public Name getQualifier() { |
| return this.optionalQualifier; |
| } |
| |
| /** |
| * Sets the qualifier of this "super" method reference expression. |
| * |
| * @param name the qualifier name node, 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 setQualifier(Name name) { |
| ASTNode oldChild = this.optionalQualifier; |
| preReplaceChild(oldChild, name, QUALIFIER_PROPERTY); |
| this.optionalQualifier = name; |
| postReplaceChild(oldChild, name, QUALIFIER_PROPERTY); |
| } |
| |
| /** |
| * Returns the live ordered list of type arguments of this super method reference. |
| * |
| * @return the live list of type arguments |
| * (element type: {@link Type}) |
| */ |
| @Override |
| public List typeArguments() { |
| return this.typeArguments; |
| } |
| |
| /** |
| * Returns the name of the method referenced in this expression. |
| * |
| * @return the method name node |
| */ |
| public SimpleName getName() { |
| if (this.methodName == null) { |
| // lazy init must be thread-safe for readers |
| synchronized (this) { |
| if (this.methodName == null) { |
| preLazyInit(); |
| this.methodName = new SimpleName(this.ast); |
| postLazyInit(this.methodName, NAME_PROPERTY); |
| } |
| } |
| } |
| return this.methodName; |
| } |
| |
| /** |
| * Sets the name of the method referenced in this expression to the |
| * given name. |
| * |
| * @param name the new method name |
| * @exception IllegalArgumentException if: |
| * <ul> |
| * <li>the node belongs to a different AST</li> |
| * <li>the node already has a parent</li> |
| * </ul> |
| */ |
| public void setName(SimpleName name) { |
| if (name == null) { |
| throw new IllegalArgumentException(); |
| } |
| ASTNode oldChild = this.methodName; |
| preReplaceChild(oldChild, name, NAME_PROPERTY); |
| this.methodName = name; |
| postReplaceChild(oldChild, name, NAME_PROPERTY); |
| } |
| |
| @Override |
| int memSize() { |
| // treat Code as free |
| return BASE_NODE_SIZE + 3 * 4; |
| } |
| |
| @Override |
| int treeSize() { |
| return |
| memSize() |
| + (this.optionalQualifier == null ? 0 : getQualifier().treeSize()) |
| + (this.typeArguments == null ? 0 : this.typeArguments.listSize()) |
| + (this.methodName == null ? 0 : getName().treeSize()); |
| } |
| } |