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 /**
  22  * Initializer
  23  */
  24 - (id)init
  25 {
  26         if (self = [super init])
  27         {
  28                 if (!breakpoints)
  29                 {
  30                         breakpoints = [[NSMutableArray alloc] init];
  31                 }
  32         }
  33         return self;
  34 }
  35
  36 /**
  37  * Returns the shared manager (singleton)
  38  */
  39 + (BreakpointManager *)sharedManager
  40 {
  41         static BreakpointManager *manager;
  42         if (!manager)
  43         {
  44                 manager = [[BreakpointManager alloc] init];
  45         }
  46         return manager;
  47 }
  48
  49 /**
  50  * Returns an array of all the breakpoints
  51  */
  52 - (NSArray *)breakpoints
  53 {
  54         return breakpoints;
  55 }
  56
  57 /**
  58  * Registers a breakpoint at a given line
  59  */
  60 - (void)addBreakpoint:(Breakpoint *)bp;
  61 {
  62         if (![breakpoints containsObject:bp])
  63         {
  64                 [breakpoints addObject:bp];
  65         }
  66 }
  67
  68 /**
  69  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  70  */
  71 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  72 {
  73         for (Breakpoint *b in breakpoints)
  74         {
  75                 if ([b line] == line && [[b file] isEqualToString:file])
  76                 {
  77                         [breakpoints removeObject:b];
  78                         return b;
  79                 }
  80         }
  81         return nil;
  82 }
  83
  84 /**
  85  * Returns all the breakpoints for a given file
  86  */
  87 - (NSArray *)breakpointsForFile:(NSString *)file
  88 {
  89         NSMutableArray *matches = [NSMutableArray array];
  90         for (Breakpoint *b in breakpoints)
  91         {
  92                 if ([[b file] isEqualToString:file])
  93                 {
  94                         [matches addObject:b];
  95                 }
  96         }
  97
  98         return matches;
  99 }
 100
 101 /**
 102  * Checks to see if a given file has a breakpoint on a given line
 103  */
 104 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
 105 {
 106         return [breakpoints containsObject:[[Breakpoint alloc] initWithLine:line inFile:file]];
 107 }
 108
 109 @end