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   if ([_breakpoints containsObject:bp]) {
  74     [self willChangeValueForKey:@"breakpoints"];
  75     [_breakpoints removeObject:bp];
  76     [self didChangeValueForKey:@"breakpoints"];
  77
  78     [_connection removeBreakpoint:bp];
  79
  80     [_savedBreakpoints removeObject:[bp dictionary]];
  81     [[NSUserDefaults standardUserDefaults] setObject:_savedBreakpoints forKey:kPrefBreakpoints];
  82
  83     if (bp.file)
  84       [self updateDisplaysForFile:bp.file];
  85
  86     return bp;
  87   }
  88   return nil;
  89 }
  90
  91 /**
  92  * Returns all the breakpoints for a given file
  93  */
  94 - (NSSet<NSNumber*>*)breakpointsForFile:(NSString*)file
  95 {
  96   NSMutableSet<NSNumber*>* matches = [NSMutableSet set];
  97   for (Breakpoint* b in _breakpoints) {
  98     if ([b.file isEqualToString:file]) {
  99       [matches addObject:@(b.line)];
 100     }
 101   }
 102
 103   return matches;
 104 }
 105
 106
 107 - (BOOL)hasBreakpoint:(Breakpoint*)breakpoint
 108 {
 109   return [_breakpoints containsObject:breakpoint];
 110 }
 111
 112 /**
 113  * Checks to see if a given file has a breakpoint on a given line
 114  */
 115 - (BOOL)hasBreakpointAt:(NSUInteger)line inFile:(NSString*)file
 116 {
 117   return [self hasBreakpoint:[Breakpoint breakpointAtLine:line inFile:file]];
 118 }
 119
 120 #pragma mark Private
 121
 122 /**
 123  * This marks BSSourceView needsDisplay, rearranges the objects in the breakpoints controller,
 124  * and sets the markers for the BSLineNumberView
 125  */
 126 - (void)updateDisplaysForFile:(NSString*)file
 127 {
 128   AppDelegate* appDel = [NSApp delegate];
 129   [[[appDel breakpoint] arrayController] rearrangeObjects];
 130   [[[appDel debugger] sourceViewer] setNeedsDisplay:YES];
 131   [[[appDel debugger] sourceViewer] setMarkers:[self breakpointsForFile:file]];
 132 }
 133
 134 @end