| /******************************************************************************* |
| * Copyright (c) 2000, 2013 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; |
| |
| /** |
| * Alternate constructor invocation statement AST node type. |
| * <pre> |
| * ConstructorInvocation: |
| * [ <b><</b> Type { <b>,</b> Type } <b>></b> ] |
| * <b>this</b> <b>(</b> [ Expression { <b>,</b> Expression } ] <b>)</b> <b>;</b> |
| * </pre> |
| * |
| * @since 2.0 |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class ConstructorInvocation extends Statement { |
| |
| /** |
| * The "typeArguments" structural property of this node type (element type: {@link Type}) (added in JLS3 API). |
| * @since 3.1 |
| */ |
| public static final ChildListPropertyDescriptor TYPE_ARGUMENTS_PROPERTY = |
| new ChildListPropertyDescriptor(ConstructorInvocation.class, "typeArguments", Type.class, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "arguments" structural property of this node type (element type: {@link Expression}). |
| * @since 3.0 |
| */ |
| public static final ChildListPropertyDescriptor ARGUMENTS_PROPERTY = |
| new ChildListPropertyDescriptor(ConstructorInvocation.class, "arguments", Expression.class, CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * A list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}), |
| * or null if uninitialized. |
| * @since 3.0 |
| */ |
| private static final List PROPERTY_DESCRIPTORS_2_0; |
| |
| /** |
| * A list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}), |
| * or null if uninitialized. |
| * @since 3.1 |
| */ |
| private static final List PROPERTY_DESCRIPTORS_3_0; |
| |
| static { |
| List properyList = new ArrayList(2); |
| createPropertyList(ConstructorInvocation.class, properyList); |
| addProperty(ARGUMENTS_PROPERTY, properyList); |
| PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(properyList); |
| |
| properyList = new ArrayList(3); |
| createPropertyList(ConstructorInvocation.class, properyList); |
| addProperty(TYPE_ARGUMENTS_PROPERTY, properyList); |
| addProperty(ARGUMENTS_PROPERTY, properyList); |
| PROPERTY_DESCRIPTORS_3_0 = 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 |
| * <code>AST.JLS*</code> constants |
| |
| * @return a list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}) |
| * @since 3.0 |
| */ |
| public static List propertyDescriptors(int apiLevel) { |
| if (apiLevel == AST.JLS2_INTERNAL) { |
| return PROPERTY_DESCRIPTORS_2_0; |
| } else { |
| return PROPERTY_DESCRIPTORS_3_0; |
| } |
| } |
| |
| /** |
| * The type arguments (element type: {@link Type}). |
| * Null in JLS2. Added in JLS3; defaults to an empty list |
| * (see constructor). |
| * @since 3.1 |
| */ |
| private ASTNode.NodeList typeArguments = null; |
| |
| /** |
| * The list of argument expressions (element type: |
| * {@link Expression}). Defaults to an empty list. |
| */ |
| private ASTNode.NodeList arguments = |
| new ASTNode.NodeList(ARGUMENTS_PROPERTY); |
| |
| /** |
| * Creates a new AST node for an alternate constructor invocation statement |
| * owned by the given AST. By default, an empty list of arguments. |
| * |
| * @param ast the AST that is to own this node |
| */ |
| ConstructorInvocation(AST ast) { |
| super(ast); |
| if (ast.apiLevel >= AST.JLS3_INTERNAL) { |
| this.typeArguments = new ASTNode.NodeList(TYPE_ARGUMENTS_PROPERTY); |
| } |
| } |
| |
| @Override |
| final List internalStructuralPropertiesForType(int apiLevel) { |
| return propertyDescriptors(apiLevel); |
| } |
| |
| @Override |
| final List internalGetChildListProperty(ChildListPropertyDescriptor property) { |
| if (property == ARGUMENTS_PROPERTY) { |
| return arguments(); |
| } |
| if (property == TYPE_ARGUMENTS_PROPERTY) { |
| return typeArguments(); |
| } |
| // allow default implementation to flag the error |
| return super.internalGetChildListProperty(property); |
| } |
| |
| @Override |
| final int getNodeType0() { |
| return CONSTRUCTOR_INVOCATION; |
| } |
| |
| @Override |
| ASTNode clone0(AST target) { |
| ConstructorInvocation result = new ConstructorInvocation(target); |
| result.setSourceRange(getStartPosition(), getLength()); |
| result.copyLeadingComment(this); |
| if (this.ast.apiLevel >= AST.JLS3_INTERNAL) { |
| result.typeArguments().addAll(ASTNode.copySubtrees(target, typeArguments())); |
| } |
| result.arguments().addAll(ASTNode.copySubtrees(target, arguments())); |
| 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) { |
| if (this.ast.apiLevel >= AST.JLS3_INTERNAL) { |
| acceptChildren(visitor, this.typeArguments); |
| } |
| acceptChildren(visitor, this.arguments); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the live ordered list of type arguments of this constructor |
| * invocation (added in JLS3 API). |
| * |
| * @return the live list of type arguments |
| * (element type: {@link Type}) |
| * @exception UnsupportedOperationException if this operation is used in |
| * a JLS2 AST |
| * @since 3.1 |
| */ |
| public List typeArguments() { |
| // more efficient than just calling unsupportedIn2() to check |
| if (this.typeArguments == null) { |
| unsupportedIn2(); |
| } |
| return this.typeArguments; |
| } |
| |
| /** |
| * Returns the live ordered list of argument expressions in this alternate |
| * constructor invocation statement. |
| * |
| * @return the live list of argument expressions |
| * (element type: {@link Expression}) |
| */ |
| public List arguments() { |
| return this.arguments; |
| } |
| |
| /** |
| * Resolves and returns the binding for the constructor invoked by this |
| * expression. |
| * <p> |
| * Note that bindings are generally unavailable unless requested when the |
| * AST is being built. |
| * </p> |
| * |
| * @return the constructor binding, or <code>null</code> if the binding |
| * cannot be resolved |
| */ |
| public IMethodBinding resolveConstructorBinding() { |
| return this.ast.getBindingResolver().resolveConstructor(this); |
| } |
| |
| @Override |
| int memSize() { |
| // treat Code as free |
| return BASE_NODE_SIZE + 2 * 4; |
| } |
| |
| @Override |
| int treeSize() { |
| return |
| memSize() |
| + (this.typeArguments == null ? 0 : this.typeArguments.listSize()) |
| + (this.arguments == null ? 0 : this.arguments.listSize()); |
| } |
| } |
| |