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
  20 @implementation BreakpointManager
  21
  22 /**
  23  * Initializer
  24  */
  25 - (id)init
  26 {
  27         if (self = [super init])
  28         {
  29                 breakpoints = [NSMutableDictionary dictionary];
  30         }
  31         return self;
  32 }
  33
  34 /**
  35  * Returns the shared manager (singleton)
  36  */
  37 + (BreakpointManager *)sharedManager
  38 {
  39         static BreakpointManager *manager;
  40         if (!manager)
  41         {
  42                 manager = [[BreakpointManager alloc] init];
  43         }
  44         return manager;
  45 }
  46
  47 /**
  48  * Registers a breakpoint at a given line
  49  */
  50 - (void)addBreakpoint:(Breakpoint *)bp;
  51 {
  52         NSMutableSet *lines = [breakpoints valueForKey:[bp file]];
  53         if (lines == nil)
  54         {
  55                 lines = [NSMutableSet setWithObject:bp];
  56                 [breakpoints setValue:lines forKey:[bp file]];
  57         }
  58         else
  59         {
  60                 [lines addObject:bp];
  61         }
  62         NSLog(@"breakpoints = %@", breakpoints);
  63 }
  64
  65 /**
  66  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  67  */
  68 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  69 {
  70         NSMutableSet *lines = [breakpoints valueForKey:file];
  71         for (Breakpoint *b in lines)
  72         {
  73                 if ([b line] == line)
  74                 {
  75                         [lines removeObject:b];
  76                         return b;
  77                 }
  78         }
  79         return nil;
  80 }
  81
  82 /**
  83  * Returns all the breakpoints for a given file
  84  */
  85 - (NSSet *)breakpointsForFile:(NSString *)file
  86 {
  87         return [breakpoints valueForKey:file];
  88 }
  89
  90 /**
  91  * Checks to see if a given file has a breakpoint on a given line
  92  */
  93 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
  94 {
  95         NSSet *lines = [breakpoints valueForKey:file];
  96         if (!lines)
  97         {
  98                 return NO;
  99         }
 100         for (Breakpoint *b in lines)
 101         {
 102                 if ([b line] == line)
 103                 {
 104                         return YES;
 105                 }
 106         }
 107         return NO;
 108 }
 109
 110 @end