]> src.bluestatic.org Git - macgdbp.git/blob - Source/StackController.m
Start using our new StackFrame and StackController classes as struts
[macgdbp.git] / Source / StackController.m
1 /*
2 * MacGDBp
3 * Copyright (c) 2007 - 2008, Blue Static <http://www.bluestatic.org>
4 *
5 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
6 * General Public License as published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
10 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along with this program; if not,
14 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
15 */
16
17 #import "StackController.h"
18
19
20 @implementation StackController
21
22 @synthesize stack;
23
24 /**
25 * Constructor
26 */
27 - (id)init
28 {
29 if (self = [super init])
30 {
31 stack = [[NSMutableArray alloc] init];
32 }
33 return self;
34 }
35
36 /**
37 * Destructor
38 */
39 - (void)dealloc
40 {
41 [stack release];
42 [super dealloc];
43 }
44
45 /**
46 * Returns a reference to the top of the stack
47 */
48 - (StackFrame *)peek
49 {
50 return [stack lastObject];
51 }
52
53 /**
54 * Pops the current frame off the stack and returns the frame
55 */
56 - (StackFrame *)pop
57 {
58 StackFrame *frame = [stack lastObject];
59 if (frame != nil)
60 [stack removeLastObject];
61 return frame;
62 }
63
64 /**
65 * Pushes a frame onto the end of the stack
66 */
67 - (void)push:(StackFrame *)frame
68 {
69 [stack insertObject:frame atIndex:[stack count]];
70 }
71
72 @end