| /* |
| * Copyright 2003-2005 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.javac.jvm; |
| |
| import com.sun.tools.javac.code.*; |
| |
| |
| /** These pseudo-types appear in the generated verifier tables to |
| * indicate objects that have been allocated but not yet constructed. |
| * |
| * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
| * you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| class UninitializedType extends Type.DelegatedType { |
| public static final int UNINITIALIZED_THIS = TypeTags.TypeTagCount; |
| public static final int UNINITIALIZED_OBJECT = UNINITIALIZED_THIS + 1; |
| |
| public static UninitializedType uninitializedThis(Type qtype) { |
| return new UninitializedType(UNINITIALIZED_THIS, qtype, -1); |
| } |
| |
| public static UninitializedType uninitializedObject(Type qtype, int offset) { |
| return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset); |
| } |
| |
| public final int offset; // PC where allocation took place |
| private UninitializedType(int tag, Type qtype, int offset) { |
| super(tag, qtype); |
| this.offset = offset; |
| } |
| |
| Type initializedType() { |
| return qtype; |
| } |
| } |