Source/Breakpoint.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 "Breakpoint.h"
  18
  19 #import "PreferenceNames.h"
  20
  21 NSString* const kBreakpointTypeFile = @"line";
  22 NSString* const kBreakpointTypeFunctionEntry = @"call";
  23
  24 @implementation Breakpoint {
  25   NSString* _type;  // weak
  26   unsigned long _debuggerId;
  27
  28   NSString* _file;
  29
  30   NSString* _functionName;
  31 }
  32
  33 - (instancetype)initWithLine:(NSUInteger)l inFile:(NSString*)f
  34 {
  35   if ((self = [super init])) {
  36     _type = kBreakpointTypeFile;
  37     _file = [f copy];
  38     _line = l;
  39   }
  40   return self;
  41 }
  42
  43 - (instancetype)initWithFunctionNamed:(NSString *)function {
  44   if ((self = [super init])) {
  45     _type = kBreakpointTypeFunctionEntry;
  46     _functionName = [function copy];
  47   }
  48   return self;
  49 }
  50
  51 - (id)initWithDictionary:(NSDictionary*)dict
  52 {
  53   if ((self = [super init])) {
  54     NSString* type = [dict valueForKey:@"type"];
  55     if (!type || [type isEqualToString:kBreakpointTypeFile]) {
  56       _type = kBreakpointTypeFile;
  57       _file = [[dict valueForKey:@"file"] copy];
  58       _line = [[dict valueForKey:@"line"] intValue];
  59     } else if ([type isEqualToString:kBreakpointTypeFunctionEntry]) {
  60       _type = kBreakpointTypeFunctionEntry;
  61       _functionName = [[dict valueForKey:@"function"] copy];
  62     } else {
  63       [NSException raise:NSInvalidArgumentException
  64                   format:@"Unknown Breakpoint type: %@", type];
  65     }
  66   }
  67   return self;
  68 }
  69
  70 - (void)dealloc
  71 {
  72   [_file release];
  73   [_functionName release];
  74   [super dealloc];
  75 }
  76
  77 /**
  78  * Returns the transformed path for the breakpoint, as Xdebug needs it
  79  */
  80 - (NSString*)transformedPath
  81 {
  82   NSString* path = self.file;
  83
  84   NSMutableArray* transforms = [[NSUserDefaults standardUserDefaults] mutableArrayValueForKey:kPrefPathReplacements];
  85   if (!transforms || [transforms count] < 1)
  86     return path;
  87
  88   for (NSDictionary* replacement in transforms)
  89   {
  90     path = [path
  91       stringByReplacingOccurrencesOfString:[replacement valueForKey:@"local"]
  92       withString:[replacement valueForKey:@"remote"]
  93     ];
  94   }
  95
  96   return path;
  97 }
  98
  99 /**
 100  * Determines if two breakpoints are equal
 101  */
 102 - (BOOL)isEqual:(id)obj
 103 {
 104   return ([[obj file] isEqualToString:self.file] && [obj line] == self.line);
 105 }
 106
 107 /**
 108  * Returns the hash value of a breakpoint
 109  */
 110 - (NSUInteger)hash
 111 {
 112   return ([self.file hash] << 8) + self.line;
 113 }
 114
 115 /**
 116  * Returns an NSDictionary of the data so it can be stored in NSUserDefaults
 117  */
 118 - (NSDictionary*)dictionary
 119 {
 120   if (_type == kBreakpointTypeFile) {
 121     return @{
 122       @"type" : _type,
 123       @"file" : self.file,
 124       @"line" : @(self.line)
 125     };
 126   } else if (_type == kBreakpointTypeFunctionEntry) {
 127     return @{
 128       @"type"     : _type,
 129       @"function" : self.functionName
 130     };
 131   }
 132   return nil;
 133 }
 134
 135 /**
 136  * Pretty-print
 137  */
 138 - (NSString*)description
 139 {
 140   return [NSString stringWithFormat:@"Breakpoint %@", [[self dictionary] description]];
 141 }
 142
 143 @end