Source/BreakpointManager.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2008, 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         return self;
  41 }
  42
  43 /**
  44  * Returns the shared manager (singleton)
  45  */
  46 + (BreakpointManager *)sharedManager
  47 {
  48         static BreakpointManager *manager;
  49         if (!manager)
  50         {
  51                 manager = [[BreakpointManager alloc] init];
  52         }
  53         return manager;
  54 }
  55
  56 /**
  57  * Registers a breakpoint at a given line
  58  */
  59 - (void)addBreakpoint:(Breakpoint *)bp;
  60 {
  61         if (![breakpoints containsObject:bp])
  62         {
  63                 [breakpoints addObject:bp];
  64                 [connection addBreakpoint:bp];
  65
  66                 [self updateDisplaysForFile:[bp file]];
  67         }
  68 }
  69
  70 /**
  71  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  72  */
  73 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  74 {
  75         for (Breakpoint *b in breakpoints)
  76         {
  77                 if ([b line] == line && [[b file] isEqualToString:file])
  78                 {
  79                         [breakpoints removeObject:b];
  80                         [connection removeBreakpoint:b];
  81                         [self updateDisplaysForFile:file];
  82                         return b;
  83                 }
  84         }
  85         return nil;
  86 }
  87
  88 /**
  89  * Returns all the breakpoints for a given file
  90  */
  91 - (NSArray *)breakpointsForFile:(NSString *)file
  92 {
  93         NSMutableArray *matches = [NSMutableArray array];
  94         for (Breakpoint *b in breakpoints)
  95         {
  96                 if ([[b file] isEqualToString:file])
  97                 {
  98                         [matches addObject:b];
  99                 }
 100         }
 101
 102         return matches;
 103 }
 104
 105 /**
 106  * Checks to see if a given file has a breakpoint on a given line
 107  */
 108 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
 109 {
 110         return [breakpoints containsObject:[[Breakpoint alloc] initWithLine:line inFile:file]];
 111 }
 112
 113 #pragma mark Private
 114
 115 /**
 116  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 117  * and sets the markers for the BSLineNumberView
 118  */
 119 - (void)updateDisplaysForFile:(NSString *)file
 120 {
 121         AppDelegate *appDel = [NSApp delegate];
 122         [[[appDel breakpoint] arrayController] rearrangeObjects];
 123         [[[appDel breakpoint] sourceView] setNeedsDisplay:YES];
 124         [[[[appDel breakpoint] sourceView] numberView] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 125         [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 126         [[[[appDel debugger] sourceViewer] numberView] setMarkers:[NSSet setWithArray:[self breakpointsForFile:file]]];
 127 }
 128
 129 @end