Hi, In latest StepTalk update I had a problem finding whether receiver knows about a variable with a given name. I do not care whether it is a real ivar or not. I have used following code:
NS_DURING /* test whether variable is an ivar s*/ obj = [receiver valueForKey:varName]; NSDebugLLog(@"STCompiler", "New name: receiver variable %@", varName); [receiverVars addObject:varName]; NS_HANDLER if([[localException name] isEqualToString:NSUnknownKeyException]) { NSDebugLLog(@"STCompiler", "New name: extern %@", varName); /* receiver has no such variable */ [externVars addObject:varName]; } else { [localException raise]; } NS_ENDHANDLER Basically, what I do is to try to get a value for given key. If it exists, then I assume that the receiver has that ivar. Is there a better and cleaner way of doing that? Thanks for any hints, Stefan Urbanek p.s.: GNUstep has NSUnknownKeyException where Cocoa has NSUndefinedKeyException, I think that for compatibility reasons we should have the second instead. -- http://stefan.agentfarms.net First they ignore you, then they laugh at you, then they fight you, then you win. - Mahatma Gandhi _______________________________________________ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev