Mon, 28 Feb 2011 11:48:53 +0000
7015430: Incorrect thrown type determined for unchecked invocations
Summary: Thrown types do not get updated after 15.12.2.8, and do not get erased as per 15.12.2.6
Reviewed-by: jjg, dlsmith
1 /*
2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javac.jvm;
28 import com.sun.tools.javac.code.*;
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 supported API.
35 * If 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;
43 public static UninitializedType uninitializedThis(Type qtype) {
44 return new UninitializedType(UNINITIALIZED_THIS, qtype, -1);
45 }
47 public static UninitializedType uninitializedObject(Type qtype, int offset) {
48 return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset);
49 }
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 }
57 Type initializedType() {
58 return qtype;
59 }
60 }