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Diffstat (limited to 'org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CreationReference.java')
| -rw-r--r-- | org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CreationReference.java | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CreationReference.java b/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CreationReference.java new file mode 100644 index 000000000..13602f0dd --- /dev/null +++ b/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CreationReference.java @@ -0,0 +1,241 @@ +/******************************************************************************* + * 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 + * + * This is an implementation of an early-draft specification developed under the Java + * Community Process (JCP) and is made available for testing and evaluation purposes + * only. The code is not compatible with any specification of the JCP. + * + * 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 3.9 BETA_JAVA8 + * @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()); + } +}
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