Source/BreakpointManager.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 "BreakpointManager.h"
  18
  19 @implementation BreakpointManager
  20
  21 @synthesize breakpoints, connection;
  22
  23 /**
  24  * Initializer
  25  */
  26 - (id)init
  27 {
  28         if (self = [super init])
  29         {
  30                 if (!breakpoints)
  31                 {
  32                         breakpoints = [[NSMutableArray alloc] init];
  33                 }
  34         }
  35         return self;
  36 }
  37
  38 /**
  39  * Returns the shared manager (singleton)
  40  */
  41 + (BreakpointManager *)sharedManager
  42 {
  43         static BreakpointManager *manager;
  44         if (!manager)
  45         {
  46                 manager = [[BreakpointManager alloc] init];
  47         }
  48         return manager;
  49 }
  50
  51 /**
  52  * Registers a breakpoint at a given line
  53  */
  54 - (void)addBreakpoint:(Breakpoint *)bp;
  55 {
  56         if (![breakpoints containsObject:bp])
  57         {
  58                 [breakpoints addObject:bp];
  59                 [connection addBreakpoint:bp];
  60         }
  61 }
  62
  63 /**
  64  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  65  */
  66 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  67 {
  68         for (Breakpoint *b in breakpoints)
  69         {
  70                 if ([b line] == line && [[b file] isEqualToString:file])
  71                 {
  72                         [breakpoints removeObject:b];
  73                         [connection removeBreakpoint:b];
  74                         return b;
  75                 }
  76         }
  77         return nil;
  78 }
  79
  80 /**
  81  * Returns all the breakpoints for a given file
  82  */
  83 - (NSArray *)breakpointsForFile:(NSString *)file
  84 {
  85         NSMutableArray *matches = [NSMutableArray array];
  86         for (Breakpoint *b in breakpoints)
  87         {
  88                 if ([[b file] isEqualToString:file])
  89                 {
  90                         [matches addObject:b];
  91                 }
  92         }
  93
  94         return matches;
  95 }
  96
  97 /**
  98  * Checks to see if a given file has a breakpoint on a given line
  99  */
 100 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
 101 {
 102         return [breakpoints containsObject:[[Breakpoint alloc] initWithLine:line inFile:file]];
 103 }
 104
 105 @end