1/*
2 * Copyright (c) 2002, 2003, 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
25package sun.jvm.hotspot.interpreter;
26
27import sun.jvm.hotspot.oops.*;
28import sun.jvm.hotspot.utilities.*;
29
30public class BytecodeMultiANewArray extends BytecodeWithKlass {
31  BytecodeMultiANewArray(Method method, int bci)  {
32    super(method, bci);
33  }
34
35  public Klass getKlass() {
36    return super.getKlass();
37  }
38
39  public int getDimension() {
40    return 0xFF & javaByteAt(2);
41  }
42
43  public void verify() {
44    if (Assert.ASSERTS_ENABLED) {
45      Assert.that(isValid(), "check multianewarray");
46    }
47  }
48
49  public boolean isValid() {
50    return javaCode() == Bytecodes._multianewarray;
51  }
52
53  public static BytecodeMultiANewArray at(Method method, int bci) {
54    BytecodeMultiANewArray b = new BytecodeMultiANewArray(method, bci);
55    if (Assert.ASSERTS_ENABLED) {
56      b.verify();
57    }
58    return b;
59  }
60
61  /** Like at, but returns null if the BCI is not at multianewarray  */
62  public static BytecodeMultiANewArray atCheck(Method method, int bci) {
63    BytecodeMultiANewArray b = new BytecodeMultiANewArray(method, bci);
64    return (b.isValid() ? b : null);
65  }
66
67  public static BytecodeMultiANewArray at(BytecodeStream bcs) {
68    return new BytecodeMultiANewArray(bcs.method(), bcs.bci());
69  }
70
71  public String toString() {
72    StringBuffer buf = new StringBuffer();
73    buf.append(super.toString());
74    buf.append(spaces);
75    buf.append(Integer.toString(getDimension()));
76    return buf.toString();
77  }
78}
79