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