Re: Objective-C++: passing Objective-C objects to C++ methods?
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
On Nov 11, 2006, at 8:21 PM, <email@hidden>
<email@hidden> wrote:
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?
The following compiles just fine on Mac OS X (using "gcc version
4.0.1 (Apple Computer, Inc. build 5363)") and produces the following
output.
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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