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
/*******************************************************************************
 * 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.
ConstructorInvocation:
   [ < Type { , Type } > ]
           this ( [ Expression { , Expression } ] ) ;

Since:
2.0
@noinstantiate
This class is not intended to be instantiated by clients./**
 * Alternate constructor invocation statement AST node type.
 * <pre>
 * ConstructorInvocation:
 *    [ <b>&lt;</b> Type { <b>,</b> Type } <b>&gt;</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: Type) (added in JLS3 API). 
Since:
3.1/**
	 * 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(ConstructorInvocation.class, "typeArguments", Type.class, NO_CYCLE_RISK); //$NON-NLS-1$

	
The "arguments" structural property of this node type (element type: Expression). 
Since:
3.0/**
	 * 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: StructuralPropertyDescriptor), or null if uninitialized. 
Since:
3.0/**
	 * 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: StructuralPropertyDescriptor), or null if uninitialized. 
Since:
3.1/**
	 * 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.
Params:
apiLevel – the API level; one of the
AST.JLS* constants
Returns:
a list of property descriptors (element type: StructuralPropertyDescriptor)
Since:
3.0/**
	 * 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: Type). Null in JLS2. Added in JLS3; defaults to an empty list (see constructor). 
Since:
3.1/**
	 * 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: Expression). Defaults to an empty list. /**
	 * 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.
Params:
ast – the AST that is to own this node/**
	 * 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).
Throws:
UnsupportedOperationException – if this operation is used in
a JLS2 AST
Returns:
the live list of type arguments (element type: Type)
Since:
3.1/**
	 * 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.
Returns:
the live list of argument expressions (element type: Expression)/**
	 * 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.

Note that bindings are generally unavailable unless requested when the
AST is being built.

Returns:
the constructor binding, or null if the binding
   cannot be resolved/**
	 * 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());
	}
}