+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2004, 2008 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 net.sourceforge.phpdt.core.dom;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Single member annotation node (added in JLS3 API). The single member annotation
- * "@foo(bar)" is equivalent to the normal annotation "@foo(value=bar)".
- * <p>
- * <pre>
- * SingleMemberAnnotation:
- * <b>@</b> TypeName <b>(</b> Expression <b>)</b>
- * </pre>
- * Within annotations, only certain kinds of expressions are meaningful,
- * including other annotations.
- * </p>
- *
- * @since 3.1
- * @noinstantiate This class is not intended to be instantiated by clients.
- */
-public final class SingleMemberAnnotation extends Annotation {
-
- /**
- * The "typeName" structural property of this node type.
- */
- public static final ChildPropertyDescriptor TYPE_NAME_PROPERTY =
- internalTypeNamePropertyFactory(SingleMemberAnnotation.class);
-
- /**
- * The "value" structural property of this node type.
- */
- public static final ChildPropertyDescriptor VALUE_PROPERTY =
- new ChildPropertyDescriptor(SingleMemberAnnotation.class, "value", Expression.class, MANDATORY, CYCLE_RISK); //$NON-NLS-1$
-
- /**
- * A list of property descriptors (element type:
- * {@link StructuralPropertyDescriptor}),
- * or null if uninitialized.
- */
- private static final List PROPERTY_DESCRIPTORS;
-
- static {
- List propertyList = new ArrayList(3);
- createPropertyList(SingleMemberAnnotation.class, propertyList);
- addProperty(TYPE_NAME_PROPERTY, propertyList);
- addProperty(VALUE_PROPERTY, propertyList);
- PROPERTY_DESCRIPTORS = 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;
- }
-
- /**
- * The value; lazily initialized; defaults to a unspecified, but legal,
- * expression.
- */
- private Expression value = null;
-
- /**
- * Creates a new unparented normal annotation node owned
- * by the given AST. By default, the annotation has an
- * unspecified type name and an unspecified value.
- * <p>
- * N.B. This constructor is package-private.
- * </p>
- *
- * @param ast the AST that is to own this node
- */
- SingleMemberAnnotation(AST ast) {
- super(ast);
- unsupportedIn2();
- }
-
- /* (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_NAME_PROPERTY) {
- if (get) {
- return getTypeName();
- } else {
- setTypeName((Name) child);
- return null;
- }
- }
- if (property == VALUE_PROPERTY) {
- if (get) {
- return getValue();
- } else {
- setValue((Expression) child);
- return null;
- }
- }
- // allow default implementation to flag the error
- return super.internalGetSetChildProperty(property, get, child);
- }
-
- /* (omit javadoc for this method)
- * Method declared on BodyDeclaration.
- */
- final ChildPropertyDescriptor internalTypeNameProperty() {
- return TYPE_NAME_PROPERTY;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- final int getNodeType0() {
- return SINGLE_MEMBER_ANNOTATION;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- ASTNode clone0(AST target) {
- SingleMemberAnnotation result = new SingleMemberAnnotation(target);
- result.setSourceRange(this.getStartPosition(), this.getLength());
- result.setTypeName((Name) ASTNode.copySubtree(target, getTypeName()));
- result.setValue((Expression) ASTNode.copySubtree(target, getValue()));
- 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, getTypeName());
- acceptChild(visitor, getValue());
- }
- visitor.endVisit(this);
- }
-
- /**
- * Returns the value of this annotation.
- *
- * @return the value node
- */
- public Expression getValue() {
- if (this.value == null) {
- // lazy init must be thread-safe for readers
- synchronized (this) {
- if (this.value == null) {
- preLazyInit();
- this.value = new SimpleName(this.ast);
- postLazyInit(this.value, VALUE_PROPERTY);
- }
- }
- }
- return this.value;
- }
-
- /**
- * Sets the value of this annotation.
- *
- * @param value the new value
- * @exception IllegalArgumentException if:
- * <ul>
- * <li>the node belongs to a different AST</li>
- * <li>the node already has a parent</li>
- * <li>a cycle in would be created</li>
- * </ul>
- */
- public void setValue(Expression value) {
- if (value == null) {
- throw new IllegalArgumentException();
- }
- ASTNode oldChild = this.value;
- preReplaceChild(oldChild, value, VALUE_PROPERTY);
- this.value = value;
- postReplaceChild(oldChild, value, VALUE_PROPERTY);
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- int memSize() {
- return super.memSize() + 1 * 4;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- int treeSize() {
- return
- memSize()
- + (this.typeName == null ? 0 : getTypeName().treeSize())
- + (this.value == null ? 0 : getValue().treeSize());
- }
-}
git://git.phpeclipse.com / phpeclipse.git / blobdiff