1 /*
2  * Copyright (c) 2002, 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.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 package sun.jvm.hotspot.interpreter;
26 
27 import sun.jvm.hotspot.oops.*;
28 import sun.jvm.hotspot.utilities.*;
29 
30 public class BytecodeANewArray extends BytecodeWithKlass {
BytecodeANewArray(Method method, int bci)31   BytecodeANewArray(Method method, int bci) {
32     super(method, bci);
33   }
34 
getKlass()35   public Klass getKlass() {
36     return super.getKlass();
37   }
38 
verify()39   public void verify() {
40     if (Assert.ASSERTS_ENABLED) {
41       Assert.that(isValid(), "check anewarray");
42     }
43   }
44 
isValid()45   public boolean isValid() {
46     return javaCode() == Bytecodes._anewarray;
47   }
48 
at(Method method, int bci)49   public static BytecodeANewArray at(Method method, int bci) {
50     BytecodeANewArray b = new BytecodeANewArray(method, bci);
51     if (Assert.ASSERTS_ENABLED) {
52       b.verify();
53     }
54     return b;
55   }
56 
57   /** Like at, but returns null if the BCI is not at anewarray  */
atCheck(Method method, int bci)58   public static BytecodeANewArray atCheck(Method method, int bci) {
59     BytecodeANewArray b = new BytecodeANewArray(method, bci);
60     return (b.isValid() ? b : null);
61   }
62 
at(BytecodeStream bcs)63   public static BytecodeANewArray at(BytecodeStream bcs) {
64     return new BytecodeANewArray(bcs.method(), bcs.bci());
65   }
66 }
67