May 2014
Intermediate to advanced
624 pages
19h 43m
English
Xcode switches to debugging mode. Double-click a passer’s name, which is supposed to summon the graph. Because you set a breakpoint on exceptions (didn’t you? See the “Running Bindings” section of Chapter 19, “Bindings: Wiring an OS X Application”), the debugger cuts in at the last line of the passerTableClicked: method of MPRDocument:
[self.passerPopover showRelativeToRect: rowRect ofView: self.passerTable preferredEdge: NSMaxXEdge];
Unfortunately, the debugger isn’t much more help. If you type po self, the debugger will tell you it “Couldn’t materialize struct.” All of the object values in the variables display, including ...