Re: Objective-C++: passing Objective-C objects to C++ methods?

• Subject: Re: Objective-C++: passing Objective-C objects to C++ methods?
• From: Shawn Erickson <email@hidden>
• Date: Sat, 11 Nov 2006 20:56:58 -0800
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Unfortunately, I don't have a Mac available to test this with. What
behavior does Apple's version of GCC exhibit for the above
Objective-C++ code? Does it compile?

100
200
100
200

==== Test.mm ====

#import <stdio.h>
#import <Foundation/Foundation.h>

@interface Test : NSObject {
	int i;
}
-(id) init:(int)n;
-(id) print;
@end

@implementation Test
-(id) init:(int)n {
	i = n;
	return self;
}

-(id) print {
	printf("%d\n", i);
	return self;
}
@end

class printer {
public:
    void print_Test(Test* test) {
		[test print];
    }
	
    void print_id(id test) {
		[test print];
    }
};

int main(int argc, char** argv) {
	
	Test* test_Test = [[Test alloc] init:100];
	id test_id = [[Test alloc] init:200];
	
	printer p;
	
	p.print_Test(test_Test);
	p.print_Test(test_id);
	
	p.print_id(test_Test);
	p.print_id(test_id);
	
	return 0;
}
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