| /******************************************************************************* |
| * Copyright (c) 2000, 2014 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 org.aspectj.org.eclipse.jdt.core.dom; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Class instance creation expression AST node type. |
| * <pre> |
| * ClassInstanceCreation: |
| * [ Expression <b>.</b> ] |
| * <b>new</b> [ <b><</b> Type { <b>,</b> Type } <b>></b> ] |
| * Type <b>(</b> [ Expression { <b>,</b> Expression } ] <b>)</b> |
| * [ AnonymousClassDeclaration ] |
| * </pre> |
| * <p> |
| * Not all node arrangements will represent legal Java constructs. In particular, |
| * it is nonsense if the type is a primitive type or an array type (primitive |
| * types cannot be instantiated, and array creations must be represented with |
| * <code>ArrayCreation</code> nodes). The normal use is when the type is a |
| * simple, qualified, or parameterized type. |
| * </p> |
| * <p> |
| * {@link QualifiedType} discusses typical representations of qualified type references. |
| * </p> |
| * |
| * @since 2.0 |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class ClassInstanceCreation extends Expression { |
| |
| /** |
| * 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(ClassInstanceCreation.class, "typeArguments", Type.class, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "expression" structural property of this node type (child type: {@link Expression}). |
| * @since 3.0 |
| */ |
| public static final ChildPropertyDescriptor EXPRESSION_PROPERTY = |
| new ChildPropertyDescriptor(ClassInstanceCreation.class, "expression", Expression.class, OPTIONAL, CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "name" structural property of this node type (child type: {@link Name}) (JLS2 API only). |
| * @since 3.0 |
| * @deprecated In the JLS3 API, this property is replaced by {@link #TYPE_PROPERTY}. |
| */ |
| public static final ChildPropertyDescriptor NAME_PROPERTY = |
| new ChildPropertyDescriptor(ClassInstanceCreation.class, "name", Name.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "type" structural property of this node type (child type: {@link Type}) (added in JLS3 API). |
| * @since 3.1 |
| */ |
| public static final ChildPropertyDescriptor TYPE_PROPERTY = |
| new ChildPropertyDescriptor(ClassInstanceCreation.class, "type", Type.class, MANDATORY, 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(ClassInstanceCreation.class, "arguments", Expression.class, CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * The "anonymousClassDeclaration" structural property of this node type (child type: {@link AnonymousClassDeclaration}). |
| * @since 3.0 |
| */ |
| public static final ChildPropertyDescriptor ANONYMOUS_CLASS_DECLARATION_PROPERTY = |
| new ChildPropertyDescriptor(ClassInstanceCreation.class, "anonymousClassDeclaration", AnonymousClassDeclaration.class, OPTIONAL, 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(5); |
| createPropertyList(ClassInstanceCreation.class, properyList); |
| addProperty(EXPRESSION_PROPERTY, properyList); |
| addProperty(NAME_PROPERTY, properyList); |
| addProperty(ARGUMENTS_PROPERTY, properyList); |
| addProperty(ANONYMOUS_CLASS_DECLARATION_PROPERTY, properyList); |
| PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(properyList); |
| |
| properyList = new ArrayList(6); |
| createPropertyList(ClassInstanceCreation.class, properyList); |
| addProperty(EXPRESSION_PROPERTY, properyList); |
| addProperty(TYPE_ARGUMENTS_PROPERTY, properyList); |
| addProperty(TYPE_PROPERTY, properyList); |
| addProperty(ARGUMENTS_PROPERTY, properyList); |
| addProperty(ANONYMOUS_CLASS_DECLARATION_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 optional expression; <code>null</code> for none; defaults to none. |
| */ |
| private Expression optionalExpression = null; |
| |
| /** |
| * 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 type name; lazily initialized; defaults to a unspecified, |
| * legal type name. Not used in JLS3. |
| */ |
| private Name typeName = null; |
| |
| /** |
| * The type; lazily initialized; defaults to a unspecified type. |
| * @since 3.0 |
| */ |
| private Type type = null; |
| |
| /** |
| * The list of argument expressions (element type: |
| * {@link Expression}). Defaults to an empty list. |
| */ |
| private ASTNode.NodeList arguments = |
| new ASTNode.NodeList(ARGUMENTS_PROPERTY); |
| |
| /** |
| * The optional anonymous class declaration; <code>null</code> for none; |
| * defaults to none. |
| */ |
| private AnonymousClassDeclaration optionalAnonymousClassDeclaration = null; |
| |
| /** |
| * Creates a new AST node for a class instance creation expression owned |
| * by the given AST. By default, there is no qualifying expression, |
| * an empty list of type parameters, an unspecified type, an empty |
| * list of arguments, and does not declare an anonymous class. |
| * <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 |
| */ |
| ClassInstanceCreation (AST ast) { |
| super(ast); |
| if (ast.apiLevel >= AST.JLS3_INTERNAL) { |
| this.typeArguments = new ASTNode.NodeList(TYPE_ARGUMENTS_PROPERTY); |
| } |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| * @since 3.0 |
| */ |
| 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 == EXPRESSION_PROPERTY) { |
| if (get) { |
| return getExpression(); |
| } else { |
| setExpression((Expression) child); |
| return null; |
| } |
| } |
| if (property == NAME_PROPERTY) { |
| if (get) { |
| return getName(); |
| } else { |
| setName((Name) child); |
| return null; |
| } |
| } |
| if (property == TYPE_PROPERTY) { |
| if (get) { |
| return getType(); |
| } else { |
| setType((Type) child); |
| return null; |
| } |
| } |
| if (property == ANONYMOUS_CLASS_DECLARATION_PROPERTY) { |
| if (get) { |
| return getAnonymousClassDeclaration(); |
| } else { |
| setAnonymousClassDeclaration((AnonymousClassDeclaration) 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 == ARGUMENTS_PROPERTY) { |
| return arguments(); |
| } |
| 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 CLASS_INSTANCE_CREATION; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone0(AST target) { |
| ClassInstanceCreation result = new ClassInstanceCreation(target); |
| result.setSourceRange(getStartPosition(), getLength()); |
| result.setExpression( |
| (Expression) ASTNode.copySubtree(target, getExpression())); |
| if (this.ast.apiLevel == AST.JLS2_INTERNAL) { |
| result.setName((Name) getName().clone(target)); |
| } |
| if (this.ast.apiLevel >= AST.JLS3_INTERNAL) { |
| result.typeArguments().addAll(ASTNode.copySubtrees(target, typeArguments())); |
| result.setType((Type) getType().clone(target)); |
| } |
| result.arguments().addAll(ASTNode.copySubtrees(target, arguments())); |
| result.setAnonymousClassDeclaration( |
| (AnonymousClassDeclaration) |
| ASTNode.copySubtree(target, getAnonymousClassDeclaration())); |
| 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, getExpression()); |
| if (this.ast.apiLevel == AST.JLS2_INTERNAL) { |
| acceptChild(visitor, getName()); |
| } |
| if (this.ast.apiLevel >= AST.JLS3_INTERNAL) { |
| acceptChildren(visitor, this.typeArguments); |
| acceptChild(visitor, getType()); |
| } |
| acceptChildren(visitor, this.arguments); |
| acceptChild(visitor, getAnonymousClassDeclaration()); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the expression of this class instance creation expression, or |
| * <code>null</code> if there is none. |
| * |
| * @return the expression node, or <code>null</code> if there is none |
| */ |
| public Expression getExpression() { |
| return this.optionalExpression; |
| } |
| |
| /** |
| * Sets or clears the expression of this class instance creation expression. |
| * |
| * @param expression the expression node, or <code>null</code> if |
| * there is none |
| * @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 setExpression(Expression expression) { |
| // a ClassInstanceCreation may occur inside an Expression |
| // must check cycles |
| ASTNode oldChild = this.optionalExpression; |
| preReplaceChild(oldChild, expression, EXPRESSION_PROPERTY); |
| this.optionalExpression = expression; |
| postReplaceChild(oldChild, expression, EXPRESSION_PROPERTY); |
| } |
| |
| /** |
| * Returns the live ordered list of type arguments of this class |
| * instance creation (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 name of the type instantiated in this class instance |
| * creation expression (JLS2 API only). |
| * |
| * @return the type name node |
| * @exception UnsupportedOperationException if this operation is used in |
| * an AST later than JLS2 |
| * @deprecated In the JLS3 API, this method is replaced by |
| * {@link #getType()}, which returns a <code>Type</code> instead of a |
| * <code>Name</code>. |
| */ |
| public Name getName() { |
| return internalGetName(); |
| } |
| |
| /** |
| * Internal synonym for deprecated method. Used to avoid |
| * deprecation warnings. |
| * @since 3.1 |
| */ |
| /*package*/ Name internalGetName() { |
| supportedOnlyIn2(); |
| if (this.typeName == null) { |
| // lazy init must be thread-safe for readers |
| synchronized (this) { |
| if (this.typeName == null) { |
| preLazyInit(); |
| this.typeName = new SimpleName(this.ast); |
| postLazyInit(this.typeName, NAME_PROPERTY); |
| } |
| } |
| } |
| return this.typeName; |
| } |
| |
| /** |
| * Sets the name of the type instantiated in this class instance |
| * creation expression (JLS2 API only). |
| * |
| * @param name the new type name |
| * @exception IllegalArgumentException if: |
| * <ul> |
| * <li>the node belongs to a different AST</li> |
| * <li>the node already has a parent</li>` |
| * </ul> |
| * @exception UnsupportedOperationException if this operation is used in |
| * an AST later than JLS2 |
| * @deprecated In the JLS3 API, this method is replaced by |
| * {@link #setType(Type)}, which expects a <code>Type</code> instead of |
| * a <code>Name</code>. |
| */ |
| public void setName(Name name) { |
| internalSetName(name); |
| } |
| |
| /** |
| * Internal synonym for deprecated method. Used to avoid |
| * deprecation warnings. |
| * @since 3.1 |
| */ |
| /*package*/ void internalSetName(Name name) { |
| supportedOnlyIn2(); |
| if (name == null) { |
| throw new IllegalArgumentException(); |
| } |
| ASTNode oldChild = this.typeName; |
| preReplaceChild(oldChild, name, NAME_PROPERTY); |
| this.typeName = name; |
| postReplaceChild(oldChild, name, NAME_PROPERTY); |
| } |
| |
| /** |
| * Returns the type instantiated in this class instance creation |
| * expression (added in JLS3 API). |
| * |
| * @return the type node |
| * @exception UnsupportedOperationException if this operation is used in |
| * a JLS2 AST |
| * @since 3.1 |
| */ |
| public Type getType() { |
| unsupportedIn2(); |
| 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 instantiated in this class instance creation |
| * expression (added in JLS3 API). |
| * |
| * @param type the new type |
| * @exception IllegalArgumentException if: |
| * <ul> |
| * <li>the node belongs to a different AST</li> |
| * <li>the node already has a parent</li>` |
| * </ul> |
| * @exception UnsupportedOperationException if this operation is used in |
| * a JLS2 AST |
| * @since 3.1 |
| */ |
| public void setType(Type type) { |
| unsupportedIn2(); |
| 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 argument expressions in this class |
| * instance creation expression. |
| * |
| * @return the live list of argument expressions (possibly empty) |
| * (element type: {@link Expression}) |
| */ |
| public List arguments() { |
| return this.arguments; |
| } |
| |
| /** |
| * Returns the anonymous class declaration introduced by this |
| * class instance creation expression, if it has one. |
| * |
| * @return the anonymous class declaration, or <code>null</code> if none |
| */ |
| public AnonymousClassDeclaration getAnonymousClassDeclaration() { |
| return this.optionalAnonymousClassDeclaration; |
| } |
| |
| /** |
| * Sets whether this class instance creation expression declares |
| * an anonymous class (that is, has class body declarations). |
| * |
| * @param decl the anonymous class declaration, or <code>null</code> |
| * if none |
| */ |
| public void setAnonymousClassDeclaration(AnonymousClassDeclaration decl) { |
| ASTNode oldChild = this.optionalAnonymousClassDeclaration; |
| preReplaceChild(oldChild, decl, ANONYMOUS_CLASS_DECLARATION_PROPERTY); |
| this.optionalAnonymousClassDeclaration = decl; |
| postReplaceChild(oldChild, decl, ANONYMOUS_CLASS_DECLARATION_PROPERTY); |
| } |
| |
| /** |
| * Resolves and returns the binding for the constructor invoked by this |
| * expression. For anonymous classes, the binding is that of the anonymous |
| * constructor. |
| * <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); |
| } |
| |
| /** |
| * Returns <code>true</code> if the resolved class type has been inferred |
| * from the assignment context (JLS4 15.12.2.8), <code>false</code> otherwise. |
| * <p> |
| * This information is available only when bindings are requested when the AST is being built. |
| * |
| * @return <code>true</code> if the resolved class type has been inferred |
| * from the assignment context (JLS3 15.12.2.8), <code>false</code> otherwise |
| * @since 3.7.1 |
| */ |
| public boolean isResolvedTypeInferredFromExpectedType() { |
| return this.ast.getBindingResolver().isResolvedTypeInferredFromExpectedType(this); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int memSize() { |
| // treat Code as free |
| return BASE_NODE_SIZE + 6 * 4; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int treeSize() { |
| // n.b. type == null for ast.API_LEVEL == JLS2 |
| // n.b. typeArguments == null for ast.API_LEVEL == JLS2 |
| // n.b. typeName == null for ast.API_LEVEL >= JLS3 |
| return |
| memSize() |
| + (this.typeName == null ? 0 : getName().treeSize()) |
| + (this.type == null ? 0 : getType().treeSize()) |
| + (this.optionalExpression == null ? 0 : getExpression().treeSize()) |
| + (this.typeArguments == null ? 0 : this.typeArguments.listSize()) |
| + (this.arguments == null ? 0 : this.arguments.listSize()) |
| + (this.optionalAnonymousClassDeclaration == null ? 0 : getAnonymousClassDeclaration().treeSize()); |
| } |
| } |
| |