first commit

objc/MyClass.h

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+// swift/MyClass.h
+#import <Foundation/Foundation.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Declare functions to be used by Rust
+void create_object();
+void call_method();
+const char* get_message();
+
+#ifdef __cplusplus
+}
+#endif
+
+@interface MyClass : NSObject
+- (void)printMessage;
+- (NSString *)getMessage;
+@end

objc/MyClass.m

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+// swift/MyClass.m
+#import "MyClass.h"
+
+@implementation MyClass
+
+- (void)printMessage {
+    NSLog(@"Hello from Objective-C!");
+}
+
+- (NSString *)getMessage {
+    return @"Hello from Objective-C!";
+}
+
+@end
+
+// C-compatible interface functions
+static MyClass *myClassInstance = nil;
+
+void create_object() {
+    myClassInstance = [[MyClass alloc] init];
+}
+
+void call_method() {
+    if (myClassInstance) {
+        [myClassInstance printMessage];
+    }
+}
+
+const char* get_message() {
+    if (myClassInstance) {
+        NSString *message = [myClassInstance getMessage];
+        return [message UTF8String];
+    }
+    return "";
+}

objc/objc_wrapper.h

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+#ifndef OBJC_WRAPPER_H
+#define OBJC_WRAPPER_H
+
+void call_objc_function();
+
+#endif // OBJC_WRAPPER_H

objc/objc_wrapper.m

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+#import "objc_wrapper.h"
+#import "MyClass.h"
+
+void call_objc_function() {
+    MyClass *obj = [[MyClass alloc] init];
+    [obj helloFromObjectiveC];
+}