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/*******************************************************************************
* Copyright (c) 2004, 2019 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;
/**
* Marker annotation node (added in JLS3 API). The marker annotation
* "@foo" is equivalent to the normal annotation "@foo()".
*
* MarkerAnnotation:
* @ TypeName
*
*
* @since 3.1
* @noinstantiate This class is not intended to be instantiated by clients.
*/
@SuppressWarnings("rawtypes")
public final class MarkerAnnotation extends Annotation {
/**
* The "typeName" structural property of this node type (child type: {@link Name}).
*/
public static final ChildPropertyDescriptor TYPE_NAME_PROPERTY =
internalTypeNamePropertyFactory(MarkerAnnotation.class);
/**
* A list of property descriptors (element type:
* {@link StructuralPropertyDescriptor}),
* or null if uninitialized.
*/
private static final List PROPERTY_DESCRIPTORS;
static {
List propertyList = new ArrayList(2);
createPropertyList(MarkerAnnotation.class, propertyList);
addProperty(TYPE_NAME_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;
}
/**
* Creates a new unparented marker annotation node owned
* by the given AST. By default, the annotation has an
* unspecified type name .
*
* N.B. This constructor is package-private.
*
*
* @param ast the AST that is to own this node
*/
MarkerAnnotation(AST ast) {
super(ast);
unsupportedIn2();
}
@Override
final List internalStructuralPropertiesForType(int apiLevel) {
return propertyDescriptors(apiLevel);
}
@Override
final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
if (property == TYPE_NAME_PROPERTY) {
if (get) {
return getTypeName();
} else {
setTypeName((Name) child);
return null;
}
}
// allow default implementation to flag the error
return super.internalGetSetChildProperty(property, get, child);
}
@Override
final ChildPropertyDescriptor internalTypeNameProperty() {
return TYPE_NAME_PROPERTY;
}
@Override
final int getNodeType0() {
return MARKER_ANNOTATION;
}
@Override
ASTNode clone0(AST target) {
MarkerAnnotation result = new MarkerAnnotation(target);
result.setSourceRange(getStartPosition(), getLength());
result.setTypeName((Name) ASTNode.copySubtree(target, getTypeName()));
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, getTypeName());
}
visitor.endVisit(this);
}
@Override
int memSize() {
return super.memSize();
}
@Override
int treeSize() {
return
memSize()
+ (this.typeName == null ? 0 : getTypeName().treeSize());
}
}