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  * Pops the current frame off the stack and returns the frame
  47  */
  48 - (StackFrame *)pop
  49 {
  50         StackFrame *frame = [stack lastObject];
  51         if (frame != nil)
  52                 [stack removeLastObject];
  53         return frame;
  54 }
  55
  56 /**
  57  * Pushes a frame onto the end of the stack
  58  */
  59 - (void)push:(StackFrame *)frame
  60 {
  61         [stack insertObject:frame atIndex:[stack count]];
  62 }
  63
  64 @end