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Java > Open Source Codes > org > armedbear > j > AsmMode


1 /*
2  * AsmMode.java
3  *
4  * Copyright (C) 2003 Peter Graves
5  * $Id: AsmMode.java,v 1.2 2003/12/31 19:40:51 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21
22 package org.armedbear.j;
23
24 import java.awt.event.KeyEvent JavaDoc;
25
26 public final class AsmMode extends AbstractMode implements Constants, Mode
27 {
28     private static final AsmMode mode = new AsmMode();
29
30     private AsmMode()
31     {
32         super(ASM_MODE, ASM_MODE_NAME);
33         setProperty(Property.INDENT_SIZE, 8);
34     }
35
36     public static AsmMode getMode()
37     {
38         return mode;
39     }
40
41     public String JavaDoc getCommentStart()
42     {
43         return "; ";
44     }
45
46     public Formatter getFormatter(Buffer buffer)
47     {
48         return new AsmFormatter(buffer);
49     }
50
51     protected void setKeyMapDefaults(KeyMap km)
52     {
53         km.mapKey(KeyEvent.VK_ENTER, 0, "newlineAndIndent");
54         km.mapKey(KeyEvent.VK_F9, 0, "compile");
55         km.mapKey(KeyEvent.VK_F9, CTRL_MASK, "recompile");
56     }
57
58     public boolean canIndent()
59     {
60         return true;
61     }
62
63     public boolean canIndentPaste()
64     {
65         return false;
66     }
67
68     public int getCorrectIndentation(Line line, Buffer buffer)
69     {
70         final int indentSize = buffer.getIndentSize();
71         final Line model = findModel(line);
72         if (model == null)
73             return 0;
74         if (model.getText().trim().endsWith(":"))
75             return indentSize;
76         return buffer.getIndentation(model);
77     }
78
79     private Line findModel(Line line)
80     {
81         Line model = line.previous();
82         while (model != null && model.isBlank())
83             model = model.previous();
84         return model;
85     }
86 }
87
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