/******************************************************************************* * Copyright (c) 2000, 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; /** * Array creation expression AST node type. * For JLS2: *
* ArrayCreation: * new PrimitiveType [ Expression ] { [ Expression ] } { [ ] } * new TypeName [ Expression ] { [ Expression ] } { [ ] } * new PrimitiveType [ ] { [ ] } ArrayInitializer * new TypeName [ ] { [ ] } ArrayInitializer **
* The mapping from Java language syntax to AST nodes is as follows: *
dimensions
* list.* ArrayCreation: * new PrimitiveType [ Expression ] { [ Expression ] } { [ ] } * new TypeName [ < Type { , Type } > ] * [ Expression ] { [ Expression ] } { [ ] } * new PrimitiveType [ ] { [ ] } ArrayInitializer * new TypeName [ < Type { , Type } > ] * [ ] { [ ] } ArrayInitializer ** * @since 2.0 * @noinstantiate This class is not intended to be instantiated by clients. */ public class ArrayCreation extends Expression { /** * The "type" structural property of this node type. * @since 3.0 */ public static final ChildPropertyDescriptor TYPE_PROPERTY = new ChildPropertyDescriptor(ArrayCreation.class, "type", ArrayType.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$ /** * The "dimensions" structural property of this node type. * @since 3.0 */ public static final ChildListPropertyDescriptor DIMENSIONS_PROPERTY = new ChildListPropertyDescriptor(ArrayCreation.class, "dimensions", Expression.class, CYCLE_RISK); //$NON-NLS-1$ /** * The "initializer" structural property of this node type. * @since 3.0 */ public static final ChildPropertyDescriptor INITIALIZER_PROPERTY = new ChildPropertyDescriptor(ArrayCreation.class, "initializer", ArrayInitializer.class, OPTIONAL, 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 properyList = new ArrayList(4); createPropertyList(ArrayCreation.class, properyList); addProperty(TYPE_PROPERTY, properyList); addProperty(DIMENSIONS_PROPERTY, properyList); addProperty(INITIALIZER_PROPERTY, properyList); PROPERTY_DESCRIPTORS = reapPropertyList(properyList); } /** * 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})
* @since 3.0
*/
public static List propertyDescriptors(int apiLevel) {
return PROPERTY_DESCRIPTORS;
}
/**
* The array type; lazily initialized; defaults to a unspecified,
* legal array type.
*/
private ArrayType arrayType = null;
/**
* The list of dimension expressions (element type:
* Expression
). Defaults to an empty list.
*/
private ASTNode.NodeList dimensions =
new ASTNode.NodeList(DIMENSIONS_PROPERTY);
/**
* The optional array initializer, or null
if none;
* defaults to none.
*/
private ArrayInitializer optionalInitializer = null;
/**
* Creates a new AST node for an array creation expression owned by the
* given AST. By default, the array type is an unspecified 1-dimensional
* array, the list of dimensions is empty, and there is no array
* initializer.
*
* @param ast the AST that is to own this node
*/
ArrayCreation(AST ast) {
super(ast);
}
/* (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 == INITIALIZER_PROPERTY) {
if (get) {
return getInitializer();
} else {
setInitializer((ArrayInitializer) child);
return null;
}
}
if (property == TYPE_PROPERTY) {
if (get) {
return getType();
} else {
setType((ArrayType) 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 == DIMENSIONS_PROPERTY) {
return dimensions();
}
// allow default implementation to flag the error
return super.internalGetChildListProperty(property);
}
/* (omit javadoc for this method)
* Method declared on ASTNode.
*/
final int getNodeType0() {
return ARRAY_CREATION;
}
/* (omit javadoc for this method)
* Method declared on ASTNode.
*/
ASTNode clone0(AST target) {
ArrayCreation result = new ArrayCreation(target);
result.setSourceRange(this.getStartPosition(), this.getLength());
result.setType((ArrayType) getType().clone(target));
result.dimensions().addAll(ASTNode.copySubtrees(target, dimensions()));
result.setInitializer(
(ArrayInitializer) ASTNode.copySubtree(target, getInitializer()));
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.dimensions);
acceptChild(visitor, getInitializer());
}
visitor.endVisit(this);
}
/**
* Returns the array type in this array creation expression.
*
* @return the array type
*/
public ArrayType getType() {
if (this.arrayType == null) {
// lazy init must be thread-safe for readers
synchronized (this) {
if (this.arrayType == null) {
preLazyInit();
this.arrayType = this.ast.newArrayType(
this.ast.newPrimitiveType(PrimitiveType.INT));
postLazyInit(this.arrayType, TYPE_PROPERTY);
}
}
}
return this.arrayType;
}
/**
* Sets the array type in this array creation expression.
*
* @param type the new array type
* @exception IllegalArgumentException if:
* Expression
)
*/
public List dimensions() {
return this.dimensions;
}
/**
* Returns the array initializer of this array creation expression, or
* null
if there is none.
*
* @return the array initializer node, or null
if
* there is none
*/
public ArrayInitializer getInitializer() {
return optionalInitializer;
}
/**
* Sets or clears the array initializer of this array creation expression.
*
* @param initializer the array initializer node, or null
* if there is none
* @exception IllegalArgumentException if:
*