1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/With.m Wed Apr 02 14:45:33 2008 -0700
1.3 @@ -0,0 +1,34 @@
1.4 +//
1.5 +// With.m
1.6 +// MYUtilities
1.7 +//
1.8 +// Copyright 2008 Jens Alfke. All rights reserved.
1.9 +//
1.10 +
1.11 +#import "With.h"
1.12 +#import "Logging.h"
1.13 +
1.14 +
1.15 +@interface NSObject (With)
1.16 +- (BOOL) endWith: (NSException*)x;
1.17 +@end
1.18 +
1.19 +
1.20 +void _catchWith( id with, NSException *x )
1.21 +{
1.22 + Warn(@"Exception thrown from WITH(%@) block: %@",[with class],x);
1.23 + if( [with respondsToSelector: @selector(endWith:)] ) {
1.24 + if( ! [with endWith: x] )
1.25 + @throw x; // propagate the exception if -endWith: returns NO
1.26 + } else {
1.27 + [with endWith];
1.28 + }
1.29 +}
1.30 +
1.31 +
1.32 +
1.33 +@implementation NSAutoreleasePool (With)
1.34 ++ (NSAutoreleasePool*) beginWith {return [self new];}
1.35 +- (void) endWith {[self drain];}
1.36 +- (BOOL) endWith: (NSException*)x {[self drain]; return YES;}
1.37 +@end
1.38 \ No newline at end of file