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 "AppDelegate.h"
  20 #import "PreferenceNames.h"
  21
  22 @interface BreakpointManager (Private)
  23 - (void)updateDisplaysForFile:(NSString*)file;
  24 @end
  25
  26 @implementation BreakpointManager {
  27   NSMutableArray* _breakpoints;
  28   NSMutableArray* _savedBreakpoints;
  29
  30   DebuggerBackEnd* __weak _connection;
  31 }
  32
  33 - (id)init
  34 {
  35   if (self = [super init])
  36   {
  37     _breakpoints = [[NSMutableArray alloc] init];
  38     _savedBreakpoints = [[NSMutableArray alloc] init];
  39
  40     NSArray* savedBreakpoints = [[NSUserDefaults standardUserDefaults] arrayForKey:kPrefBreakpoints];
  41     if (savedBreakpoints) {
  42       for (NSDictionary* d in savedBreakpoints) {
  43         Breakpoint* bp = [[Breakpoint alloc] initWithDictionary:d];
  44         [_breakpoints addObject:bp];
  45         [_savedBreakpoints addObject:[bp dictionary]];
  46       }
  47     }
  48   }
  49   return self;
  50 }
  51
  52 /**
  53  * Registers a breakpoint at a given line
  54  */
  55 - (void)addBreakpoint:(Breakpoint*)bp;
  56 {
  57   if (![_breakpoints containsObject:bp])
  58   {
  59     [self willChangeValueForKey:@"breakpoints"];
  60     [_breakpoints addObject:bp];
  61     [self didChangeValueForKey:@"breakpoints"];
  62
  63     [_connection addBreakpoint:bp];
  64
  65     [_savedBreakpoints addObject:[bp dictionary]];
  66     [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  67
  68     [self updateDisplaysForFile:[bp file]];
  69   }
  70 }
  71
  72 - (Breakpoint*)removeBreakpoint:(Breakpoint*)bp
  73 {
  74   // Use the -isEqual: test to find the object in |_breakpoints| that also has
  75   // the debugger id and secure bookmark data.
  76   NSUInteger idx = [_breakpoints indexOfObject:bp];
  77   if (idx == NSNotFound)
  78     return nil;
  79
  80   bp = [_breakpoints objectAtIndex:idx];
  81
  82   [self willChangeValueForKey:@"breakpoints"];
  83   [_breakpoints removeObject:bp];
  84   [self didChangeValueForKey:@"breakpoints"];
  85
  86   [_connection removeBreakpoint:bp];
  87
  88   [_savedBreakpoints removeObject:[bp dictionary]];
  89   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  90
  91   if (bp.file)
  92     [self updateDisplaysForFile:bp.file];
  93
  94   return bp;
  95 }
  96
  97 /**
  98  * Returns all the breakpoints for a given file
  99  */
 100 - (NSSet<NSNumber*>*)breakpointsForFile:(NSString*)file
 101 {
 102   NSMutableSet<NSNumber*>* matches = [NSMutableSet set];
 103   for (Breakpoint* b in _breakpoints) {
 104     if ([b.file isEqualToString:file]) {
 105       [matches addObject:@(b.line)];
 106     }
 107   }
 108
 109   return matches;
 110 }
 111
 112
 113 - (BOOL)hasBreakpoint:(Breakpoint*)breakpoint
 114 {
 115   return [_breakpoints containsObject:breakpoint];
 116 }
 117
 118 #pragma mark Private
 119
 120 /**
 121  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 122  * and sets the markers for the BSLineNumberView
 123  */
 124 - (void)updateDisplaysForFile:(NSString*)file
 125 {
 126   AppDelegate* appDel = [NSApp delegate];
 127   [[[appDel breakpoint] arrayController] rearrangeObjects];
 128   [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 129   [[[appDel debugger] sourceViewer] setMarkers:[self breakpointsForFile:file]];
 130 }
 131
 132 @end