--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/jdi/ArrayTypeImpl.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,211 @@
+/*
+ * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.jdi;
+
+import com.sun.jdi.*;
+
+import sun.jvm.hotspot.oops.ArrayKlass;
+import sun.jvm.hotspot.oops.InstanceKlass;
+import sun.jvm.hotspot.oops.ObjArrayKlass;
+import sun.jvm.hotspot.oops.TypeArrayKlass;
+import sun.jvm.hotspot.oops.Klass;
+import sun.jvm.hotspot.oops.Instance;
+import sun.jvm.hotspot.oops.Symbol;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Map;
+
+public class ArrayTypeImpl extends ReferenceTypeImpl implements ArrayType {
+  protected ArrayTypeImpl(VirtualMachine aVm, ArrayKlass aRef) {
+        super(aVm, aRef);
+    }
+
+    public ArrayReference newInstance(int length) {
+        vm.throwNotReadOnlyException("ArrayType.newInstance(int)");
+        return null;
+    }
+
+    public String componentSignature() {
+        return signature().substring(1); // Just skip the leading '['
+    }
+
+    public String componentTypeName() {
+        JNITypeParser parser = new JNITypeParser(componentSignature());
+        return parser.typeName();
+    }
+
+    public ClassLoaderReference classLoader() {
+        if (ref() instanceof TypeArrayKlass) {
+            // primitive array klasses are loaded by bootstrap loader
+            return null;
+        } else {
+            Klass bottomKlass = ((ObjArrayKlass)ref()).getBottomKlass();
+            if (bottomKlass instanceof TypeArrayKlass) {
+                // multidimensional primitive array klasses are loaded by bootstrap loader
+                return null;
+            } else {
+                // class loader of any other obj array klass is same as the loader
+                // that loaded the bottom InstanceKlass
+                Instance xx = (Instance)(((InstanceKlass) bottomKlass).getClassLoader());
+                return vm.classLoaderMirror(xx);
+            }
+        }
+    }
+
+    void addVisibleMethods(Map methodMap) {
+        // arrays don't have methods
+    }
+
+    List getAllMethods() {
+        // arrays don't have methods
+        // JLS says arrays have methods of java.lang.Object. But
+        // JVMDI-JDI returns zero size list. We do the same here
+        // for consistency.
+        return new ArrayList(0);
+    }
+
+    /*
+     * Find the type object, if any, of a component type of this array.
+     * The component type does not have to be immediate; e.g. this method
+     * can be used to find the component Foo of Foo[][].
+     */
+    public Type componentType() throws ClassNotLoadedException {
+        ArrayKlass k = (ArrayKlass) ref();
+        if (k instanceof ObjArrayKlass) {
+            Klass elementKlass = ((ObjArrayKlass)k).getElementKlass();
+            if (elementKlass == null) {
+                throw new ClassNotLoadedException(componentSignature());
+            } else {
+                return vm.referenceType(elementKlass);
+            }
+        } else {
+            // It's a primitive type
+            return vm.primitiveTypeMirror(signature().charAt(1));
+        }
+    }
+
+    static boolean isComponentAssignable(Type destination, Type source) {
+        if (source instanceof PrimitiveType) {
+            // Assignment of primitive arrays requires identical
+            // component types.
+            return source.equals(destination);
+        } else {
+           if (destination instanceof PrimitiveType) {
+                return false;
+            }
+
+            ReferenceTypeImpl refSource = (ReferenceTypeImpl)source;
+            ReferenceTypeImpl refDestination = (ReferenceTypeImpl)destination;
+            // Assignment of object arrays requires availability
+            // of widening conversion of component types
+            return refSource.isAssignableTo(refDestination);
+        }
+    }
+
+
+    /*
+    * Return true if an instance of the  given reference type
+    * can be assigned to a variable of this type
+    */
+    boolean isAssignableTo(ReferenceType destType) {
+        if (destType instanceof ArrayType) {
+            try {
+                Type destComponentType = ((ArrayType)destType).componentType();
+                return isComponentAssignable(destComponentType, componentType());
+            } catch (ClassNotLoadedException e) {
+                // One or both component types has not yet been
+                // loaded => can't assign
+                return false;
+            }
+        } else {
+            Symbol typeName = ((ReferenceTypeImpl)destType).typeNameAsSymbol();
+            if (destType instanceof InterfaceType) {
+                // Every array type implements java.io.Serializable and
+                // java.lang.Cloneable. fixme in JVMDI-JDI, includes only
+                // Cloneable but not Serializable.
+                return typeName.equals(vm.javaLangCloneable()) ||
+                       typeName.equals(vm.javaIoSerializable());
+            } else {
+                // Only valid ClassType assignee is Object
+                return typeName.equals(vm.javaLangObject());
+            }
+        }
+    }
+
+    List inheritedTypes() {
+        // arrays are derived from java.lang.Object and
+        // B[] is derived from A[] if B is derived from A.
+        // But JVMDI-JDI returns zero sized list and we do the
+        // same for consistency.
+        return new ArrayList(0);
+    }
+
+    int getModifiers() {
+        /*
+         * For object arrays, the return values for Interface
+         * Accessible.isPrivate(), Accessible.isProtected(),
+         * etc... are the same as would be returned for the
+         * component type.  Fetch the modifier bits from the
+         * component type and use those.
+         *
+         * For primitive arrays, the modifiers are always
+         *   VMModifiers.FINAL | VMModifiers.PUBLIC
+         *
+         * Reference com.sun.jdi.Accessible.java.
+         */
+        try {
+            Type t = componentType();
+            if (t instanceof PrimitiveType) {
+                return VMModifiers.FINAL | VMModifiers.PUBLIC;
+            } else {
+                ReferenceType rt = (ReferenceType)t;
+                return rt.modifiers();
+            }
+        } catch (ClassNotLoadedException cnle) {
+            cnle.printStackTrace();
+        }
+        return -1;
+    }
+
+    public String toString() {
+       return "array class " + name() + " (" + loaderString() + ")";
+    }
+
+    /*
+     * Save a pointless trip over the wire for these methods
+     * which have undefined results for arrays.
+     */
+    public boolean isPrepared() { return true; }
+    public boolean isVerified() { return true; }
+    public boolean isInitialized() { return true; }
+    public boolean failedToInitialize() { return false; }
+    public boolean isAbstract() { return false; }
+
+    /*
+     * Defined always to be true for arrays
+     */
+    public boolean isFinal() { return true; }
+}