Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java
src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java
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| 1 /* | |
| 2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Sun designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Sun in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 22 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 23 * have any questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.tools.javac.jvm; | |
| 27 | |
| 28 import com.sun.tools.javac.code.*; | |
| 29 | |
| 30 | |
| 31 /** These pseudo-types appear in the generated verifier tables to | |
| 32 * indicate objects that have been allocated but not yet constructed. | |
| 33 * | |
| 34 * <p><b>This is NOT part of any API supported by Sun Microsystems. If | |
| 35 * you write code that depends on this, you do so at your own risk. | |
| 36 * This code and its internal interfaces are subject to change or | |
| 37 * deletion without notice.</b> | |
| 38 */ | |
| 39 class UninitializedType extends Type.DelegatedType { | |
| 40 public static final int UNINITIALIZED_THIS = TypeTags.TypeTagCount; | |
| 41 public static final int UNINITIALIZED_OBJECT = UNINITIALIZED_THIS + 1; | |
| 42 | |
| 43 public static UninitializedType uninitializedThis(Type qtype) { | |
| 44 return new UninitializedType(UNINITIALIZED_THIS, qtype, -1); | |
| 45 } | |
| 46 | |
| 47 public static UninitializedType uninitializedObject(Type qtype, int offset) { | |
| 48 return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset); | |
| 49 } | |
| 50 | |
| 51 public final int offset; // PC where allocation took place | |
| 52 private UninitializedType(int tag, Type qtype, int offset) { | |
| 53 super(tag, qtype); | |
| 54 this.offset = offset; | |
| 55 } | |
| 56 | |
| 57 Type initializedType() { | |
| 58 return qtype; | |
| 59 } | |
| 60 } |
