On Jul 25, 2015, at 11:03 AM, Quincey Morris <[email protected]> wrote: > > On Jul 25, 2015, at 10:37 , Carl Hoefs <[email protected] > <mailto:[email protected]>> wrote: >> >> Effectively, what the compiler does with a #define _is_ a global replace. > > It’s not, though. Not in general. > > 1. It’s not global. A #define can be undefined and redefined. > > 2. It’s not unique. IIRC, the appearance of the define symbol inside its own > definition is *not* subject to macro expansion. > > 3. Macro expansion happens as a separate lexical pass over the input. For > example, if source lines are not compiled as a result of a define/if then > it’s not clear what replacement might be suitable at refactoring. Or again, > token pasting may simply produce incorrect results if macro names are > arbitrarily changed around them.
Okay... old thread, but same problem with Xcode 7.1 (ObjC, iOS 9.1): When I attempt to refactor an IBOutlet's name, "e.g., recordButton", Xcode tells me: "The selection is not a type that can be renamed. Make a different selection and try, try again." @property(nonatomic, assign) IBOutlet UIButton *recordButton; Xcode doesn't know how to do the reconnection? -Carl
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