Source/BreakpointManager.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2009, 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] numberView] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 141         [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 142         [[[[appDel debugger] sourceViewer] numberView] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 143 }
 144
 145 @end