OFMethodSignature.h

/*
 * Copyright (c) 2008-2026 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */
 
#import "OFObject.h"
 
OF_ASSUME_NONNULL_BEGIN
 
@class OFMutableData;

OF_SUBCLASSING_RESTRICTED
@interface OFMethodSignature: OFObject
{
    char *_types;
    OFMutableData *_typesPointers, *_offsets;
}

@property (readonly, nonatomic) size_t numberOfArguments;

@property (readonly, nonatomic) const char *methodReturnType;

@property (readonly, nonatomic) size_t frameLength;

+ (instancetype)signatureWithObjCTypes: (const char *)types;
 
- (instancetype)init OF_UNAVAILABLE;

- (instancetype)initWithObjCTypes: (const char *)types
    OF_DESIGNATED_INITIALIZER;

- (const char *)argumentTypeAtIndex: (size_t)index;

- (size_t)argumentOffsetAtIndex: (size_t)index;
@end
 
#ifdef __cplusplus
extern "C" {
#endif
extern size_t OFSizeOfTypeEncoding(const char *type);

extern size_t OFAlignmentOfTypeEncoding(const char *type);
#ifdef __cplusplus
}
#endif
 
OF_ASSUME_NONNULL_END