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SuperConstructorInvocation.java
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SuperConstructorInvocation.java
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/*******************************************************************************
* 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;
/**
* Super constructor invocation statement AST node type.
* <pre>
* SuperConstructorInvocation:
* [ Expression <b>.</b> ]
* [ <b><</b> Type { <b>,</b> Type } <b>></b> ]
* <b>super</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 SuperConstructorInvocation extends Statement {
/**
* The "expression" structural property of this node type (child type: {@link Expression}).
* @since 3.0
*/
public static final ChildPropertyDescriptor EXPRESSION_PROPERTY =
new ChildPropertyDescriptor(SuperConstructorInvocation.class, "expression", Expression.class, OPTIONAL, CYCLE_RISK); //$NON-NLS-1$
/**
* 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(SuperConstructorInvocation.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(SuperConstructorInvocation.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 propertyList = new ArrayList(3);
createPropertyList(SuperConstructorInvocation.class, propertyList);
addProperty(EXPRESSION_PROPERTY, propertyList);
addProperty(ARGUMENTS_PROPERTY, propertyList);
PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(propertyList);
propertyList = new ArrayList(4);
createPropertyList(SuperConstructorInvocation.class, propertyList);
addProperty(EXPRESSION_PROPERTY, propertyList);
addProperty(TYPE_ARGUMENTS_PROPERTY, propertyList);
addProperty(ARGUMENTS_PROPERTY, propertyList);
PROPERTY_DESCRIPTORS_3_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
* <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 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 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 super constructor invocation statement
* owned by the given AST. By default, no type arguments, and an empty list
* of arguments.
*
* @param ast the AST that is to own this node
*/
SuperConstructorInvocation(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 ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
if (property == EXPRESSION_PROPERTY) {
if (get) {
return getExpression();
} else {
setExpression((Expression) child);
return null;
}
}
// allow default implementation to flag the error
return super.internalGetSetChildProperty(property, get, child);
}
@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 SUPER_CONSTRUCTOR_INVOCATION;
}
@Override
ASTNode clone0(AST target) {
SuperConstructorInvocation result = new SuperConstructorInvocation(target);
result.setSourceRange(getStartPosition(), getLength());
result.copyLeadingComment(this);
result.setExpression(
(Expression) ASTNode.copySubtree(target, getExpression()));
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) {
// visit children in normal left to right reading order
acceptChild(visitor, getExpression());
if (this.ast.apiLevel >= AST.JLS3_INTERNAL) {
acceptChildren(visitor, this.typeArguments);
}
acceptChildren(visitor, this.arguments);
}
visitor.endVisit(this);
}
/**
* Returns the expression of this super constructor invocation statement,
* 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 super constructor invocation
* statement.
*
* @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) {
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 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 super
* 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 + 3 * 4;
}
@Override
int treeSize() {
return memSize()
+ (this.optionalExpression == null ? 0 : getExpression().treeSize())
+ (this.typeArguments == null ? 0 : this.typeArguments.listSize())
+ (this.arguments == null ? 0 : this.arguments.listSize());
}
}