3 * Copyright (c) 2007 - 2008, Blue Static <http://www.bluestatic.org>
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.
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.
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
17 #import "DebuggerWindowController.h"
18 #import "DebuggerConnection.h"
19 #import "NSXMLElementAdditions.h"
20 #import "AppDelegate.h"
22 @interface DebuggerWindowController (Private
)
24 - (void)updateSourceViewer
;
28 @implementation DebuggerWindowController
30 @synthesize connection
;
33 * Initializes the window controller and sets the connection
35 - (id)initWithPort
:(int)aPort session
:(NSString
*)aSession
37 if (self = [super initWithWindowNibName
:@
"Debugger"])
39 connection
= [[DebuggerConnection alloc
] initWithWindowController
:self port
:aPort session
:aSession
];
40 expandedRegisters
= [[NSMutableSet alloc
] init
];
41 [[self window
] makeKeyAndOrderFront
:nil];
47 * Before the display get's comfortable, set up the NSTextView to scroll horizontally
51 [self setStatus
:@
"Connecting"];
55 * Called right before the window closes so that we can tell the socket to close down
57 - (void)windowWillClose
:(NSNotification
*)notif
59 [[connection socket
] close
];
63 * Resets all the displays to be empty
67 [registerController setContent
:nil];
68 [stackController setContent
:nil];
69 [[sourceViewer textView
] setString
:@
""];
73 * Sets the status and clears any error message
75 - (void)setStatus
:(NSString
*)aStatus
77 [errormsg setHidden
:YES
];
78 [statusmsg setStringValue
:aStatus
];
79 [[self window
] setTitle
:[NSString stringWithFormat
:@
"GDBp @ %@:%d/%@", [connection remoteHost
], [connection port
], [connection session
]]];
81 [stepInButton setEnabled
:NO
];
82 [stepOutButton setEnabled
:NO
];
83 [stepOverButton setEnabled
:NO
];
84 [runButton setEnabled
:NO
];
85 [reconnectButton setEnabled
:NO
];
87 if ([connection isConnected
])
89 if ([aStatus isEqualToString
:@
"Starting"])
91 [stepInButton setEnabled
:YES
];
92 [runButton setEnabled
:YES
];
97 [reconnectButton setEnabled
:YES
];
102 * Sets the status to be "Error" and then displays the error message
104 - (void)setError
:(NSString
*)anError
106 [errormsg setStringValue
:anError
];
107 [self setStatus
:@
"Error"];
108 [errormsg setHidden
:NO
];
112 * Sets the root node element of the stacktrace
114 - (void)setStack
:(NSArray
*)node
118 if ([stack count
] > 1)
120 [stepOutButton setEnabled
:YES
];
122 [stepInButton setEnabled
:YES
];
123 [stepOverButton setEnabled
:YES
];
124 [runButton setEnabled
:YES
];
126 [self updateSourceViewer
];
130 * Sets the stack root element so that the NSOutlineView can display it
132 - (void)setRegister
:(NSXMLDocument
*)elm
134 // XXX: Doing anything short of this will cause bindings to crash spectacularly for no reason whatsoever, and
135 // in seemingly arbitrary places. The class that crashes is _NSKeyValueObservationInfoCreateByRemoving.
136 // http://boredzo.org/blog/archives/2006-01-29/have-you-seen-this-crash says that this means nothing is
137 // being observed, but I doubt that he was using an NSOutlineView which seems to be one f!cking piece of
138 // sh!t when used with NSTreeController. http://www.cocoadev.com/index.pl?NSTreeControllerBugOrDeveloperError
139 // was the inspiration for this fix (below) but the author says that inserting does not work too well, but
140 // that's okay for us as we just need to replace the entire thing.
141 [registerController setContent
:nil];
142 [registerController setContent
:[[elm rootElement
] children
]];
144 for (int i
= 0; i
< [registerView numberOfRows
]; i
++)
146 NSTreeNode
*node
= [registerView itemAtRow
:i
];
147 if ([expandedRegisters containsObject
:[[node representedObject
] fullname
]])
149 [registerView expandItem
:node
];
155 * Forwards the message to run script execution to the connection
157 - (IBAction
)run
:(id)sender
163 * Tells the connection to ask the server to reconnect
165 - (IBAction
)reconnect
:(id)sender
167 [connection reconnect
];
171 * Forwards the message to "step in" to the connection
173 - (IBAction
)stepIn
:(id)sender
179 * Forwards the message to "step out" to the connection
181 - (IBAction
)stepOut
:(id)sender
183 [connection stepOut
];
187 * Forwards the message to "step over" to the connection
189 - (IBAction
)stepOver
:(id)sender
191 [connection stepOver
];
195 * NSTableView delegate method that informs the controller that the stack selection did change and that
196 * we should update the source viewer
198 - (void)tableViewSelectionDidChange
:(NSNotification
*)notif
200 [self updateSourceViewer
];
204 * Does the actual updating of the source viewer by reading in the file
206 - (void)updateSourceViewer
208 id selectedLevel
= [[stackController selection
] valueForKey
:@
"level"];
209 if (selectedLevel
== NSNoSelectionMarker
)
211 [[sourceViewer textView
] setString
:@
""];
214 int selection
= [selectedLevel intValue
];
216 // get the filename and then set the text
217 NSString
*filename
= [[stack objectAtIndex
:selection
] valueForKey
:@
"filename"];
218 filename
= [[NSURL URLWithString
:filename
] path
];
219 NSString
*text
= [NSString stringWithContentsOfFile
:filename
];
220 [[sourceViewer textView
] setString
:text
];
222 // go through the document until we find the NSRange for the line we want
223 int destination
= [[[stack objectAtIndex
:selection
] valueForKey
:@
"lineno"] intValue
];
225 for (int line
= 0; line
< destination
; line
++)
227 rangeIndex
= NSMaxRange([text lineRangeForRange
:NSMakeRange(rangeIndex
, 0)]);
230 // now get the true start/end markers for it
231 unsigned lineStart
, lineEnd
;
232 [text getLineStart
:&lineStart end
:NULL contentsEnd
:&lineEnd forRange
:NSMakeRange(rangeIndex
- 1, 0)];
233 NSRange lineRange
= NSMakeRange(lineStart
, lineEnd
- lineStart
);
235 // colorize it so the user knows which line we're on in the stack
236 [[[sourceViewer textView
] textStorage
] setAttributes
:[NSDictionary dictionaryWithObjects
:[NSArray arrayWithObjects
:[NSColor redColor
], [NSColor yellowColor
], nil]
237 forKeys
:[NSArray arrayWithObjects
:NSForegroundColorAttributeName
, NSBackgroundColorAttributeName
, nil]]
239 [[sourceViewer textView
] scrollRangeToVisible
:[text lineRangeForRange
:NSMakeRange(lineStart
, lineEnd
- lineStart
)]];
241 // make sure the font stays Monaco
242 //[sourceViewer setFont:[NSFont fontWithName:@"Monaco" size:10.0]];
246 * Called whenver an item is expanded. This allows us to determine if we need to fetch deeper
248 - (void)outlineViewItemDidExpand
:(NSNotification
*)notif
250 NSTreeNode
*node
= [[notif userInfo
] objectForKey
:@
"NSObject"];
252 // we're not a leaf but have no children. this must be beyond our depth, so go make us deeper
253 if (![node isLeaf
] && [[node childNodes
] count
] < 1)
255 [connection getProperty
:[[node representedObject
] fullname
] forNode
:node
];
258 [expandedRegisters addObject
:[[node representedObject
] fullname
]];
262 * Called when an item was collapsed. This allows us to remove it from the list of expanded items
264 - (void)outlineViewItemDidCollapse
:(NSNotification
*)notif
266 [expandedRegisters removeObject
:[[[[notif userInfo
] objectForKey
:@
"NSObject"] representedObject
] fullname
]];
270 * Updates the register view by reinserting a given node back into the outline view
272 - (void)addChildren
:(NSArray
*)children toNode
:(NSTreeNode
*)node
274 NSXMLElement
*parent
= [node representedObject
];
275 for (NSXMLNode
*child
in children
)
277 [parent addChild
:child
];
280 [registerController rearrangeObjects
];