Protocol.h

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/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.1 (the "License").  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
    Protocol.h
    Copyright 1991-1996 NeXT Software, Inc.
*/

#ifndef _OBJC_PROTOCOL_H_
#define _OBJC_PROTOCOL_H_

#import <objc/Object.h>

struct objc_method_description {
    SEL name;
    char *types;
};
struct objc_method_description_list {
        int count;
        struct objc_method_description list[1];
};

@interface Protocol : Object
{
@private
    char *protocol_name;
    struct objc_protocol_list *protocol_list;
    struct objc_method_description_list *instance_methods, *class_methods;
}

/* Obtaining attributes intrinsic to the protocol */

- (const char *)name;

/* Testing protocol conformance */

- (BOOL) conformsTo: (Protocol *)aProtocolObject;

/* Looking up information specific to a protocol */

- (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel;
- (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel;

@end

#endif /* _OBJC_PROTOCOL_H_ */

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