139 lines
3.1 KiB
Objective-C
139 lines
3.1 KiB
Objective-C
#import <Foundation/Foundation.h>
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#include <stdio.h>
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struct return_me
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{
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int first;
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int second;
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};
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@interface SourceBase: NSObject
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{
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struct return_me my_return;
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}
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- (SourceBase *) initWithFirst: (int) first andSecond: (int) second;
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- (void) randomMethod;
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- (struct return_me) returnsStruct;
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@end
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@implementation SourceBase
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- (void) randomMethod
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{
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printf ("Called in SourceBase version of randomMethod.\n"); // SourceBase randomMethod start line.
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}
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- (struct return_me) returnsStruct
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{
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return my_return; // SourceBase returnsStruct start line.
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}
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- (SourceBase *) initWithFirst: (int) first andSecond: (int) second
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{
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my_return.first = first;
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my_return.second = second;
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return self;
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}
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@end
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@interface Source : SourceBase
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{
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int _property;
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}
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- (void) setProperty: (int) newValue;
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- (void) randomMethod;
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- (struct return_me) returnsStruct;
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@end
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@implementation Source
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- (void) setProperty: (int) newValue
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{
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_property = newValue;
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}
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- (void) randomMethod
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{
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[super randomMethod]; // Source randomMethod start line.
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printf ("Called in Source version of random method.");
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}
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- (struct return_me) returnsStruct
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{
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printf ("Called in Source version of returnsStruct.\n"); // Source returnsStruct start line.
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return [super returnsStruct]; // Source returnsStruct call line.
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}
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@end
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@interface Observer : NSObject
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{
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Source *_source;
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}
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+ (Observer *) observerWithSource: (Source *) source;
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- (Observer *) initWithASource: (Source *) source;
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- (void) observeValueForKeyPath: (NSString *) path
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ofObject: (id) object
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change: (NSDictionary *) change
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context: (void *) context;
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@end
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@implementation Observer
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+ (Observer *) observerWithSource: (Source *) inSource;
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{
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Observer *retval;
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retval = [[Observer alloc] initWithASource: inSource];
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return retval;
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}
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- (Observer *) initWithASource: (Source *) source
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{
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[super init];
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_source = source;
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[_source addObserver: self
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forKeyPath: @"property"
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options: (NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld)
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context: NULL];
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return self;
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}
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- (void) observeValueForKeyPath: (NSString *) path
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ofObject: (id) object
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change: (NSDictionary *) change
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context: (void *) context
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{
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printf ("Observer function called.\n");
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return;
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}
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@end
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int main ()
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{
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Source *mySource;
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Observer *myObserver;
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struct return_me ret_val;
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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mySource = [[Source alloc] init];
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[mySource randomMethod]; // Set first breakpoint here.
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ret_val = [mySource returnsStruct]; // Set second breakpoint here.
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myObserver = [Observer observerWithSource: mySource];
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[mySource randomMethod]; // Set third breakpoint here.
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ret_val = [mySource returnsStruct]; // Set fourth breakpoint here.
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[mySource setProperty: 5]; // Set fifth breakpoint here.
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// We also had a bug where stepping into a method dispatch to nil turned
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// into continue. So make sure that works here:
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mySource = nil;
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[mySource randomMethod]; // Set nil step breakpoint here.
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[pool release]; // Step over nil should stop here.
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return 0;
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}
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