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   {
  58     [self willChangeValueForKey:@"breakpoints"];
  59     [_breakpoints addObject:bp];
  60     [self didChangeValueForKey:@"breakpoints"];
  61
  62     [_connection addBreakpoint:bp];
  63
  64     [_savedBreakpoints addObject:[bp dictionary]];
  65     [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  66
  67     [self updateDisplaysForFile:[bp file]];
  68   }
  69 }
  70
  71 - (Breakpoint*)removeBreakpoint:(Breakpoint*)bp
  72 {
  73   // Use the -isEqual: test to find the object in |_breakpoints| that also has
  74   // the debugger id and secure bookmark data.
  75   NSUInteger idx = [_breakpoints indexOfObject:bp];
  76   if (idx == NSNotFound)
  77     return nil;
  78
  79   bp = [_breakpoints objectAtIndex:idx];
  80
  81   [self willChangeValueForKey:@"breakpoints"];
  82   [_breakpoints removeObject:bp];
  83   [self didChangeValueForKey:@"breakpoints"];
  84
  85   [_connection removeBreakpoint:bp];
  86
  87   [_savedBreakpoints removeObject:[bp dictionary]];
  88   [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  89
  90   if (bp.file)
  91     [self updateDisplaysForFile:bp.file];
  92
  93   return bp;
  94 }
  95
  96 /**
  97  * Returns all the breakpoints for a given file
  98  */
  99 - (NSSet<NSNumber*>*)breakpointsForFile:(NSString*)file
 100 {
 101   NSMutableSet<NSNumber*>* matches = [NSMutableSet set];
 102   for (Breakpoint* b in _breakpoints) {
 103     if ([b.file isEqualToString:file]) {
 104       [matches addObject:@(b.line)];
 105     }
 106   }
 107
 108   return matches;
 109 }
 110
 111
 112 - (BOOL)hasBreakpoint:(Breakpoint*)breakpoint
 113 {
 114   return [_breakpoints containsObject:breakpoint];
 115 }
 116
 117 #pragma mark Private
 118
 119 /**
 120  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 121  * and sets the markers for the BSLineNumberView
 122  */
 123 - (void)updateDisplaysForFile:(NSString*)file
 124 {
 125   AppDelegate* appDel = [NSApp delegate];
 126   [[[appDel breakpoint] arrayController] rearrangeObjects];
 127   [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 128   [[[appDel debugger] sourceViewer] setMarkers:[self breakpointsForFile:file]];
 129 }
 130
 131 @end