1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Common Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/cpl-v10.html
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 package org.eclipse.jdt.internal.compiler.lookup;
14 * Specific local variable location used to:
15 * - either provide emulation for outer local variables used from within innerclass constructs,
16 * - or provide emulation to enclosing instances.
17 * When it is mapping to an outer local variable, this actual outer local is accessible through
18 * the public field #actualOuterLocalVariable.
20 * Such a synthetic argument binding will be inserted in all constructors of local innertypes before
24 import org.eclipse.jdt.core.compiler.CharOperation;
26 public class SyntheticArgumentBinding extends LocalVariableBinding {
29 this.isArgument = true;
33 // if the argument is mapping to an outer local variable, this denotes the outer actual variable
34 public LocalVariableBinding actualOuterLocalVariable;
35 // if the argument has a matching synthetic field
36 public FieldBinding matchingField;
38 final static char[] OuterLocalPrefix = { 'v', 'a', 'l', '$' };
39 final static char[] EnclosingInstancePrefix = { 't', 'h', 'i', 's', '$' };
41 public SyntheticArgumentBinding(LocalVariableBinding actualOuterLocalVariable) {
44 CharOperation.concat(OuterLocalPrefix, actualOuterLocalVariable.name),
45 actualOuterLocalVariable.type,
48 this.actualOuterLocalVariable = actualOuterLocalVariable;
51 public SyntheticArgumentBinding(ReferenceBinding enclosingType) {
55 SyntheticArgumentBinding.EnclosingInstancePrefix,
56 String.valueOf(enclosingType.depth()).toCharArray()),