Just put a set of braces after every case: and it should be okay. A set of braces here actually sets up a mini stack frame that makes ARC work.
Sent from my iPhone > On 2013年10月22日, at 15:41, "Gerriet M. Denkmann" <[email protected]> wrote: > > Converting to Arc (Xcode 5.0). > > This works fine without Arc (regardless whether TRIGGER_ERROR is defined or > not): > > NSMutableString *mus = [ NSMutableString string ]; > NSString *word = @"abc"; > > switch( self.colourType ) > { > case colour_link: > [ mus appendString: @"<a href=\"" ]; > #define TRIGGER_ERROR > #ifdef TRIGGER_ERROR > NSString *urlStr = [ word stringByAddingPercentEscapesUsingEncoding: > NSUTF8StringEncoding ]; > [ mus appendString: urlStr ]; > #else // no_ERROR > [ mus appendString: [ word stringByAddingPercentEscapesUsingEncoding: > NSUTF8StringEncoding ] ]; > #endif // no_ERROR > > break; > > default: > [ mus appendString: word ]; > }; > > But with Arc, if TRIGGER_ERROR is defined, I get an error: "Switch case is in > protected scope" with the further explanation: "Jump bypasses initialization > of retaining variable". > > > Was the old (non-arc) code faulty (but the compiler did not notice this)? > Why is the arc-version (with TRIGGER_ERROR defined) wrong? > > Gerriet. > > > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/xcvista%40me.com > > This email sent to [email protected] _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
