Thu, 10 Jun 2010 09:29:23 +0100
6945418: Project Coin: Simplified Varargs Method Invocation
Summary: Add new mandatory warning for unsafe vararg method declaration. Warning can be suppressed as usual (@SuppressWarnings("varargs")/-Xlint:-varargs)
Reviewed-by: jjg, darcy
1 /*
2 * Copyright (c) 2003, 2006, 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.util;
28 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
30 /**
31 * An interface to support optional warnings, needed for support of
32 * unchecked conversions and unchecked casts.
33 *
34 * <p><b>This is NOT part of any API supported by Sun Microsystems.
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 public class Warner {
40 public static final Warner noWarnings = new Warner();
42 private DiagnosticPosition pos = null;
43 public boolean warned = false;
44 public boolean unchecked = false;
46 public DiagnosticPosition pos() {
47 return pos;
48 }
50 public void warnUnchecked() {
51 warned = true;
52 unchecked = true;
53 }
54 public void silentUnchecked() {
55 unchecked = true;
56 }
58 public Warner(DiagnosticPosition pos) {
59 this.pos = pos;
60 }
62 public Warner() {
63 this(null);
64 }
65 }