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 // set up the scroller for the source viewer
52 [sourceViewer setMaxSize
:NSMakeSize(FLT_MAX
, FLT_MAX
)];
53 [[sourceViewer textContainer
] setContainerSize
:NSMakeSize(FLT_MAX
, FLT_MAX
)];
54 [[sourceViewer textContainer
] setWidthTracksTextView
:NO
];
55 [sourceViewer setHorizontallyResizable
:YES
];
56 [sourceViewerScroller setHasHorizontalScroller
:YES
];
57 [sourceViewerScroller display
];
59 [self setStatus
:@
"Connecting"];
63 * Called right before the window closes so that we can tell the socket to close down
65 - (void)windowWillClose
:(NSNotification
*)notif
67 [[connection socket
] close
];
71 * Resets all the displays to be empty
75 [registerController setContent
:nil];
76 [stackController setContent
:nil];
77 [sourceViewer setString
:@
""];
81 * Sets the status and clears any error message
83 - (void)setStatus
:(NSString
*)aStatus
85 [errormsg setHidden
:YES
];
86 [statusmsg setStringValue
:aStatus
];
87 [[self window
] setTitle
:[NSString stringWithFormat
:@
"GDBp @ %@:%d/%@", [connection remoteHost
], [connection port
], [connection session
]]];
89 [stepInButton setEnabled
:NO
];
90 [stepOutButton setEnabled
:NO
];
91 [stepOverButton setEnabled
:NO
];
92 [runButton setEnabled
:NO
];
93 [reconnectButton setEnabled
:NO
];
95 if ([connection isConnected
])
97 if ([aStatus isEqualToString
:@
"Starting"])
99 [stepInButton setEnabled
:YES
];
100 [runButton setEnabled
:YES
];
105 [reconnectButton setEnabled
:YES
];
110 * Sets the status to be "Error" and then displays the error message
112 - (void)setError
:(NSString
*)anError
114 [errormsg setStringValue
:anError
];
115 [self setStatus
:@
"Error"];
116 [errormsg setHidden
:NO
];
120 * Sets the root node element of the stacktrace
122 - (void)setStack
:(NSArray
*)node
126 if ([stack count
] > 1)
128 [stepOutButton setEnabled
:YES
];
130 [stepInButton setEnabled
:YES
];
131 [stepOverButton setEnabled
:YES
];
132 [runButton setEnabled
:YES
];
134 [self updateSourceViewer
];
138 * Sets the stack root element so that the NSOutlineView can display it
140 - (void)setRegister
:(NSXMLDocument
*)elm
142 // XXX: Doing anything short of this will cause bindings to crash spectacularly for no reason whatsoever, and
143 // in seemingly arbitrary places. The class that crashes is _NSKeyValueObservationInfoCreateByRemoving.
144 // http://boredzo.org/blog/archives/2006-01-29/have-you-seen-this-crash says that this means nothing is
145 // being observed, but I doubt that he was using an NSOutlineView which seems to be one f!cking piece of
146 // sh!t when used with NSTreeController. http://www.cocoadev.com/index.pl?NSTreeControllerBugOrDeveloperError
147 // was the inspiration for this fix (below) but the author says that inserting does not work too well, but
148 // that's okay for us as we just need to replace the entire thing.
149 [registerController setContent
:nil];
150 [registerController setContent
:[[elm rootElement
] children
]];
152 for (int i
= 0; i
< [registerView numberOfRows
]; i
++)
154 NSTreeNode
*node
= [registerView itemAtRow
:i
];
155 if ([expandedRegisters containsObject
:[[node representedObject
] fullname
]])
157 [registerView expandItem
:node
];
163 * Forwards the message to run script execution to the connection
165 - (IBAction
)run
:(id)sender
171 * Tells the connection to ask the server to reconnect
173 - (IBAction
)reconnect
:(id)sender
175 [connection reconnect
];
179 * Forwards the message to "step in" to the connection
181 - (IBAction
)stepIn
:(id)sender
187 * Forwards the message to "step out" to the connection
189 - (IBAction
)stepOut
:(id)sender
191 [connection stepOut
];
195 * Forwards the message to "step over" to the connection
197 - (IBAction
)stepOver
:(id)sender
199 [connection stepOver
];
203 * NSTableView delegate method that informs the controller that the stack selection did change and that
204 * we should update the source viewer
206 - (void)tableViewSelectionDidChange
:(NSNotification
*)notif
208 [self updateSourceViewer
];
212 * Does the actual updating of the source viewer by reading in the file
214 - (void)updateSourceViewer
216 int selection
= [stackController selectionIndex
];
217 if (selection
== NSNotFound
)
219 [sourceViewer setString
:@
""];
223 // get the filename and then set the text
224 NSString
*filename
= [[stack objectAtIndex
:selection
] valueForKey
:@
"filename"];
225 filename
= [[NSURL URLWithString
:filename
] path
];
226 NSString
*text
= [NSString stringWithContentsOfFile
:filename
];
227 [sourceViewer setString
:text
];
229 // go through the document until we find the NSRange for the line we want
230 int destination
= [[[stack objectAtIndex
:selection
] valueForKey
:@
"lineno"] intValue
];
232 for (int line
= 0; line
< destination
; line
++)
234 rangeIndex
= NSMaxRange([text lineRangeForRange
:NSMakeRange(rangeIndex
, 0)]);
237 // now get the true start/end markers for it
238 unsigned lineStart
, lineEnd
;
239 [text getLineStart
:&lineStart end
:NULL contentsEnd
:&lineEnd forRange
:NSMakeRange(rangeIndex
- 1, 0)];
240 NSRange lineRange
= NSMakeRange(lineStart
, lineEnd
- lineStart
);
242 // colorize it so the user knows which line we're on in the stack
243 [[sourceViewer textStorage
] setAttributes
:[NSDictionary dictionaryWithObjects
:[NSArray arrayWithObjects
:[NSColor redColor
], [NSColor yellowColor
], nil]
244 forKeys
:[NSArray arrayWithObjects
:NSForegroundColorAttributeName
, NSBackgroundColorAttributeName
, nil]]
246 [sourceViewer scrollRangeToVisible
:[text lineRangeForRange
:NSMakeRange(lineStart
, lineEnd
- lineStart
)]];
248 // make sure the font stays Monaco
249 [sourceViewer setFont
:[NSFont fontWithName
:@
"Monaco" size
:10.0]];
253 * Called whenver an item is expanded. This allows us to determine if we need to fetch deeper
255 - (void)outlineViewItemDidExpand
:(NSNotification
*)notif
257 NSTreeNode
*node
= [[notif userInfo
] objectForKey
:@
"NSObject"];
259 // we're not a leaf but have no children. this must be beyond our depth, so go make us deeper
260 if (![node isLeaf
] && [[node childNodes
] count
] < 1)
262 [connection getProperty
:[[node representedObject
] fullname
] forNode
:node
];
265 [expandedRegisters addObject
:[[node representedObject
] fullname
]];
269 * Called when an item was collapsed. This allows us to remove it from the list of expanded items
271 - (void)outlineViewItemDidCollapse
:(NSNotification
*)notif
273 [expandedRegisters removeObject
:[[[[notif userInfo
] objectForKey
:@
"NSObject"] representedObject
] fullname
]];
277 * Updates the register view by reinserting a given node back into the outline view
279 - (void)addChildren
:(NSArray
*)children toNode
:(NSTreeNode
*)node
281 NSXMLElement
*parent
= [node representedObject
];
282 for (NSXMLNode
*child
in children
)
284 [parent addChild
:child
];
287 [registerController rearrangeObjects
];