--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.compiler.lookup;
+
+import org.eclipse.jdt.core.compiler.CharOperation;
+import org.eclipse.jdt.internal.compiler.ast.CaseStatement;
+import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
+import org.eclipse.jdt.internal.compiler.util.Util;
+
+public final class LocalTypeBinding extends NestedTypeBinding {
+ final static char[] LocalTypePrefix = { '$', 'L', 'o', 'c', 'a', 'l', '$' };
+
+ private InnerEmulationDependency[] dependents;
+ public ArrayBinding[] localArrayBindings; // used to cache array bindings of various dimensions for this local type
+ public CaseStatement switchCase; // from 1.4 on, local types should not be accessed across switch case blocks (52221)
+
+public LocalTypeBinding(ClassScope scope, SourceTypeBinding enclosingType, CaseStatement switchCase) {
+ super(
+ new char[][] {CharOperation.concat(LocalTypePrefix, scope.referenceContext.name)},
+ scope,
+ enclosingType);
+
+ if (this.sourceName == TypeDeclaration.ANONYMOUS_EMPTY_NAME)
+ this.tagBits |= AnonymousTypeMask;
+ else
+ this.tagBits |= LocalTypeMask;
+ this.switchCase = switchCase;
+}
+/* Record a dependency onto a source target type which may be altered
+* by the end of the innerclass emulation. Later on, we will revisit
+* all its dependents so as to update them (see updateInnerEmulationDependents()).
+*/
+
+public void addInnerEmulationDependent(BlockScope dependentScope, boolean wasEnclosingInstanceSupplied) {
+ int index;
+ if (dependents == null) {
+ index = 0;
+ dependents = new InnerEmulationDependency[1];
+ } else {
+ index = dependents.length;
+ for (int i = 0; i < index; i++)
+ if (dependents[i].scope == dependentScope)
+ return; // already stored
+ System.arraycopy(dependents, 0, (dependents = new InnerEmulationDependency[index + 1]), 0, index);
+ }
+ dependents[index] = new InnerEmulationDependency(dependentScope, wasEnclosingInstanceSupplied);
+ // System.out.println("Adding dependency: "+ new String(scope.enclosingType().readableName()) + " --> " + new String(this.readableName()));
+}
+/* Answer the receiver's constant pool name.
+*
+* NOTE: This method should only be used during/after code gen.
+*/
+
+public char[] constantPoolName() /* java/lang/Object */ {
+ return constantPoolName;
+}
+
+ArrayBinding createArrayType(int dimensionCount) {
+ if (localArrayBindings == null) {
+ localArrayBindings = new ArrayBinding[] {new ArrayBinding(this, dimensionCount)};
+ return localArrayBindings[0];
+ }
+
+ // find the cached array binding for this dimensionCount (if any)
+ int length = localArrayBindings.length;
+ for (int i = 0; i < length; i++)
+ if (localArrayBindings[i].dimensions == dimensionCount)
+ return localArrayBindings[i];
+
+ // no matching array
+ System.arraycopy(localArrayBindings, 0, localArrayBindings = new ArrayBinding[length + 1], 0, length);
+ return localArrayBindings[length] = new ArrayBinding(this, dimensionCount);
+}
+
+public char[] readableName() {
+ if (isAnonymousType()) {
+ if (superInterfaces == NoSuperInterfaces)
+ return ("<"+Util.bind("binding.subclass",new String(superclass.readableName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+ else
+ return ("<"+Util.bind("binding.implementation",new String(superInterfaces[0].readableName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+ } else if (isMemberType()) {
+ return CharOperation.concat(enclosingType().readableName(), sourceName, '.');
+ } else {
+ return sourceName;
+ }
+}
+
+public char[] shortReadableName() {
+ if (isAnonymousType()) {
+ if (superInterfaces == NoSuperInterfaces)
+ return ("<"+Util.bind("binding.subclass",new String(superclass.shortReadableName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+ else
+ return ("<"+Util.bind("binding.implementation",new String(superInterfaces[0].shortReadableName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+ } else if (isMemberType()) {
+ return CharOperation.concat(enclosingType().shortReadableName(), sourceName, '.');
+ } else {
+ return sourceName;
+ }
+}
+
+// Record that the type is a local member type
+public void setAsMemberType() {
+ tagBits |= MemberTypeMask;
+}
+
+public void setConstantPoolName(char[] computedConstantPoolName) /* java/lang/Object */ {
+ this.constantPoolName = computedConstantPoolName;
+}
+
+public char[] sourceName() {
+ if (isAnonymousType()) {
+ //return readableName();
+ if (superInterfaces == NoSuperInterfaces)
+ return ("<"+Util.bind("binding.subclass",new String(superclass.sourceName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+ else
+ return ("<"+Util.bind("binding.implementation",new String(superInterfaces[0].sourceName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+
+ } else
+ return sourceName;
+}
+public String toString() {
+ if (isAnonymousType())
+ return "Anonymous type : " + super.toString(); //$NON-NLS-1$
+ if (isMemberType())
+ return "Local member type : " + new String(sourceName()) + " " + super.toString(); //$NON-NLS-2$ //$NON-NLS-1$
+ return "Local type : " + new String(sourceName()) + " " + super.toString(); //$NON-NLS-2$ //$NON-NLS-1$
+}
+/* Trigger the dependency mechanism forcing the innerclass emulation
+* to be propagated to all dependent source types.
+*/
+
+public void updateInnerEmulationDependents() {
+ if (dependents != null) {
+ for (int i = 0; i < dependents.length; i++) {
+ InnerEmulationDependency dependency = dependents[i];
+ // System.out.println("Updating " + new String(this.readableName()) + " --> " + new String(dependency.scope.enclosingType().readableName()));
+ dependency.scope.propagateInnerEmulation(this, dependency.wasEnclosingInstanceSupplied);
+ }
+ }
+}
+}