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 #import "AppDelegate.h"
  19
  20 @interface BreakpointManager (Private)
  21 - (void)updateDisplaysForFile:(NSString*)file;
  22 @end
  23
  24 @implementation BreakpointManager
  25
  26 @synthesize breakpoints, connection;
  27
  28 /**
  29  * Initializer
  30  */
  31 - (id)init
  32 {
  33   if (self = [super init])
  34   {
  35     if (!breakpoints)
  36     {
  37       breakpoints = [[NSMutableArray alloc] init];
  38     }
  39
  40     savedBreakpoints = [[[NSUserDefaults standardUserDefaults] arrayForKey:@"Breakpoints"] mutableCopy];
  41     if (savedBreakpoints)
  42     {
  43       for (NSDictionary* d in savedBreakpoints)
  44       {
  45         [breakpoints addObject:[[[Breakpoint alloc] initWithDictionary:d] autorelease]];
  46       }
  47     }
  48     else
  49     {
  50       savedBreakpoints = [NSMutableArray new];
  51     }
  52   }
  53   return self;
  54 }
  55
  56 /**
  57  * Returns the shared manager (singleton)
  58  */
  59 + (BreakpointManager*)sharedManager
  60 {
  61   static BreakpointManager* manager;
  62   if (!manager)
  63   {
  64     manager = [[BreakpointManager alloc] init];
  65   }
  66   return manager;
  67 }
  68
  69 /**
  70  * Registers a breakpoint at a given line
  71  */
  72 - (void)addBreakpoint:(Breakpoint*)bp;
  73 {
  74   if (![breakpoints containsObject:bp])
  75   {
  76     [breakpoints addObject:bp];
  77     [connection addBreakpoint:bp];
  78
  79     [savedBreakpoints addObject:[bp dictionary]];
  80     [[NSUserDefaults standardUserDefaults] setObject:savedBreakpoints forKey:@"Breakpoints"];
  81
  82     [self updateDisplaysForFile:[bp file]];
  83   }
  84 }
  85
  86 /**
  87  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  88  */
  89 - (Breakpoint*)removeBreakpointAt:(NSUInteger)line inFile:(NSString*)file
  90 {
  91   for (Breakpoint* b in breakpoints)
  92   {
  93     if ([b line] == line && [[b file] isEqualToString:file])
  94     {
  95       [breakpoints removeObject:b];
  96       [connection removeBreakpoint:b];
  97
  98       [savedBreakpoints removeObject:[b dictionary]];
  99       [[NSUserDefaults standardUserDefaults] setObject:savedBreakpoints forKey:@"Breakpoints"];
 100
 101       [self updateDisplaysForFile:file];
 102       return b;
 103     }
 104   }
 105   return nil;
 106 }
 107
 108 /**
 109  * Returns all the breakpoints for a given file
 110  */
 111 - (NSArray*)breakpointsForFile:(NSString*)file
 112 {
 113   NSMutableArray* matches = [NSMutableArray array];
 114   for (Breakpoint* b in breakpoints)
 115   {
 116     if ([[b file] isEqualToString:file])
 117     {
 118       [matches addObject:b];
 119     }
 120   }
 121
 122   return matches;
 123 }
 124
 125 /**
 126  * Checks to see if a given file has a breakpoint on a given line
 127  */
 128 - (BOOL)hasBreakpointAt:(NSUInteger)line inFile:(NSString*)file
 129 {
 130   return [breakpoints containsObject:[[[Breakpoint alloc] initWithLine:line inFile:file] autorelease]];
 131 }
 132
 133 #pragma mark Private
 134
 135 /**
 136  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 137  * and sets the markers for the BSLineNumberView
 138  */
 139 - (void)updateDisplaysForFile:(NSString*)file
 140 {
 141   AppDelegate* appDel = [NSApp delegate];
 142   [[[appDel breakpoint] arrayController] rearrangeObjects];
 143   [[[appDel breakpoint] sourceView] setNeedsDisplay:YES];
 144   [[[appDel breakpoint] sourceView] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 145   [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 146   [[[appDel debugger] sourceViewer] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 147 }
 148
 149 @end