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comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/InstructionDescriptionCreator.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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children bc8527f3071c
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2007, 2011, 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 package com.sun.max.asm.gen;
24
25 import java.util.*;
26
27 /**
28 * Wraps mere object arrays into instruction descriptions.
29 */
30 public abstract class InstructionDescriptionCreator<InstructionDescription_Type extends InstructionDescription> {
31
32 private final Assembly assembly;
33
34 protected InstructionDescriptionCreator(Assembly assembly) {
35 this.assembly = assembly;
36 }
37
38 public Assembly assembly() {
39 return assembly;
40 }
41
42 protected abstract InstructionDescription_Type createInstructionDescription(List<Object> specifications);
43
44 protected InstructionDescription_Type defineInstructionDescription(List<Object> specifications) {
45 final InstructionDescription_Type instructionDescription = createInstructionDescription(specifications);
46 instructionDescriptions.add(instructionDescription);
47 instructionDescription.setArchitectureManualSection(currentArchitectureManualSection);
48 return instructionDescription;
49 }
50
51 private final List<InstructionDescription_Type> instructionDescriptions = new LinkedList<InstructionDescription_Type>();
52
53 private static void deepCopy(Object[] src, List<Object> dst) {
54 for (Object object : src) {
55 if (object instanceof Object[]) {
56 deepCopy((Object[]) object, dst);
57 } else {
58 dst.add(object);
59 }
60 }
61 }
62
63 protected InstructionDescription_Type define(Object... specifications) {
64 List<Object> specList = new ArrayList<Object>(specifications.length * 2);
65 deepCopy(specifications, specList);
66 return defineInstructionDescription(specList);
67 }
68
69 private String currentArchitectureManualSection;
70
71 /**
72 * Sets the name of the architecture manual section for which instruction descriptions are
73 * currently being {@link #define defined}.
74 */
75 public void setCurrentArchitectureManualSection(String section) {
76 currentArchitectureManualSection = section;
77 }
78
79 public List<InstructionDescription_Type> instructionDescriptions() {
80 return instructionDescriptions;
81 }
82 }