| /* |
| * Copyright 1998-1999 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * 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 com.sun.tools.jdi; |
| |
| import com.sun.jdi.*; |
| |
| abstract class ValueImpl extends MirrorImpl implements Value { |
| |
| ValueImpl(VirtualMachine aVm) { |
| super(aVm); |
| } |
| |
| static ValueImpl prepareForAssignment(Value value, |
| ValueContainer destination) |
| throws InvalidTypeException, ClassNotLoadedException { |
| if (value == null) { |
| /* |
| * TO DO: Centralize JNI signature knowledge |
| */ |
| if (destination.signature().length() == 1) { |
| throw new InvalidTypeException("Can't set a primitive type to null"); |
| } |
| return null; // no further checking or conversion necessary |
| } else { |
| return ((ValueImpl)value).prepareForAssignmentTo(destination); |
| } |
| } |
| |
| static byte typeValueKey(Value val) { |
| if (val == null) { |
| return JDWP.Tag.OBJECT; |
| } else { |
| return ((ValueImpl)val).typeValueKey(); |
| } |
| } |
| |
| abstract ValueImpl prepareForAssignmentTo(ValueContainer destination) |
| throws InvalidTypeException, ClassNotLoadedException; |
| |
| abstract byte typeValueKey(); |
| } |