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       [_savedBreakpoints addObjectsFromArray:savedBreakpoints];
  43       for (NSDictionary* d in savedBreakpoints) {
  44         [_breakpoints addObject:[[Breakpoint alloc] initWithDictionary:d]];
  45       }
  46     }
  47   }
  48   return self;
  49 }
  50
  51 /**
  52  * Registers a breakpoint at a given line
  53  */
  54 - (void)addBreakpoint:(Breakpoint*)bp;
  55 {
  56   if ([_breakpoints containsObject:bp])
  57     return;
  58
  59   if (bp.type == kBreakpointTypeFile && !bp.secureBookmark) {
  60     // There is no secure bookmark for this file, so first see if any other
  61     // bookmarks exist for the same file. If not, try and create a bookmark.
  62     if (!bp.secureBookmark) {
  63       [bp createSecureBookmark];
  64       /*
  65       for (Breakpoint* other in _breakpoints) {
  66         if ([other.file isEqualToString:bp.file] && other.secureBookmark) {
  67           bp.secureBookmark = other.secureBookmark;
  68           break;
  69         }
  70       }
  71
  72       if (!bp.secureBookmark) {
  73         [bp createSecureBookmark];
  74       }
  75        */
  76     }
  77   }
  78
  79   [self willChangeValueForKey:@"breakpoints"];
  80   [_breakpoints addObject:bp];
  81   [self didChangeValueForKey:@"breakpoints"];
  82
  83   [_connection addBreakpoint:bp];
  84
  85   [_savedBreakpoints addObject:[bp dictionary]];
  86   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  87   [self updateDisplaysForFile:[bp file]];
  88 }
  89
  90 - (Breakpoint*)removeBreakpoint:(Breakpoint*)bp
  91 {
  92   // Use the -isEqual: test to find the object in |_breakpoints| that also has
  93   // the debugger id and secure bookmark data.
  94   NSUInteger idx = [_breakpoints indexOfObject:bp];
  95   if (idx == NSNotFound)
  96     return nil;
  97
  98   bp = [_breakpoints objectAtIndex:idx];
  99
 100   [self willChangeValueForKey:@"breakpoints"];
 101   [_breakpoints removeObject:bp];
 102   [self didChangeValueForKey:@"breakpoints"];
 103
 104   [_connection removeBreakpoint:bp];
 105
 106   [_savedBreakpoints removeObject:[bp dictionary]];
 107   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
 108
 109   if (bp.file)
 110     [self updateDisplaysForFile:bp.file];
 111
 112   return bp;
 113 }
 114
 115 /**
 116  * Returns all the breakpoints for a given file
 117  */
 118 - (NSSet<NSNumber*>*)breakpointsForFile:(NSString*)file
 119 {
 120   NSMutableSet<NSNumber*>* matches = [NSMutableSet set];
 121   for (Breakpoint* b in _breakpoints) {
 122     if ([b.file isEqualToString:file]) {
 123       [matches addObject:@(b.line)];
 124     }
 125   }
 126
 127   return matches;
 128 }
 129
 130
 131 - (BOOL)hasBreakpoint:(Breakpoint*)breakpoint
 132 {
 133   return [_breakpoints containsObject:breakpoint];
 134 }
 135
 136 #pragma mark Private
 137
 138 /**
 139  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 140  * and sets the markers for the BSLineNumberView
 141  */
 142 - (void)updateDisplaysForFile:(NSString*)file
 143 {
 144   AppDelegate* appDel = [NSApp delegate];
 145   [[[appDel breakpoint] arrayController] rearrangeObjects];
 146   [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 147   [[[appDel debugger] sourceViewer] setMarkers:[self breakpointsForFile:file]];
 148 }
 149
 150 @end