Source/BreakpointManager.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, 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 #import "PreferenceNames.h"
  20
  21 @implementation BreakpointManager {
  22   NSMutableArray* _breakpoints;
  23   NSMutableArray* _savedBreakpoints;
  24
  25   DebuggerBackEnd* __weak _connection;
  26 }
  27
  28 - (id)init
  29 {
  30   if (self = [super init])
  31   {
  32     _breakpoints = [[NSMutableArray alloc] init];
  33     _savedBreakpoints = [[NSMutableArray alloc] init];
  34
  35     NSArray* savedBreakpoints = [[NSUserDefaults standardUserDefaults] arrayForKey:kPrefBreakpoints];
  36     if (savedBreakpoints) {
  37       for (NSDictionary* d in savedBreakpoints) {
  38         Breakpoint* bp = [[Breakpoint alloc] initWithDictionary:d];
  39         [_breakpoints addObject:bp];
  40         [_savedBreakpoints addObject:[bp dictionary]];
  41       }
  42     }
  43   }
  44   return self;
  45 }
  46
  47 /**
  48  * Registers a breakpoint at a given line
  49  */
  50 - (void)addBreakpoint:(Breakpoint*)bp;
  51 {
  52   if ([_breakpoints containsObject:bp])
  53     return;
  54
  55   [self willChangeValueForKey:@"breakpoints"];
  56   [_breakpoints addObject:bp];
  57   [self didChangeValueForKey:@"breakpoints"];
  58
  59   [_connection addBreakpoint:bp];
  60
  61   [_savedBreakpoints addObject:[bp dictionary]];
  62   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  63 }
  64
  65 - (Breakpoint*)removeBreakpoint:(Breakpoint*)bp
  66 {
  67   // Use the -isEqual: test to find the object in |_breakpoints| that also has
  68   // the debugger id and secure bookmark data.
  69   NSUInteger idx = [_breakpoints indexOfObject:bp];
  70   if (idx == NSNotFound)
  71     return nil;
  72
  73   bp = [_breakpoints objectAtIndex:idx];
  74
  75   [self willChangeValueForKey:@"breakpoints"];
  76   [_breakpoints removeObject:bp];
  77   [self didChangeValueForKey:@"breakpoints"];
  78
  79   [_connection removeBreakpoint:bp];
  80
  81   [_savedBreakpoints removeObject:[bp dictionary]];
  82   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  83
  84   return bp;
  85 }
  86
  87 /**
  88  * Returns all the breakpoints for a given file
  89  */
  90 - (NSSet<NSNumber*>*)breakpointsForFile:(NSString*)file
  91 {
  92   NSMutableSet<NSNumber*>* matches = [NSMutableSet set];
  93   for (Breakpoint* b in _breakpoints) {
  94     if ([b.file isEqualToString:file]) {
  95       [matches addObject:@(b.line)];
  96     }
  97   }
  98
  99   return matches;
 100 }
 101
 102
 103 - (BOOL)hasBreakpoint:(Breakpoint*)breakpoint
 104 {
 105   return [_breakpoints containsObject:breakpoint];
 106 }
 107
 108 @end