/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018, 2019 * Jonathan Schleifer * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "OFObject.h" OF_ASSUME_NONNULL_BEGIN @class OFMutableData; /*! * @class OFMethodSignature OFMethodSignature.h ObjFW/OFMethodSignature.h * * @brief A class for parsing type encodings and accessing them. */ @interface OFMethodSignature: OFObject { char *_types; OFMutableData *_typesPointers, *_offsets; OF_RESERVE_IVARS(4) } /*! * @brief The number of arguments of the method. */ @property (readonly, nonatomic) size_t numberOfArguments; /*! * @brief The return type of the method. */ @property (readonly, nonatomic) const char *methodReturnType; /*! * @brief The size of the arguments on the stack frame. * * @note This is platform-dependent! */ @property (readonly, nonatomic) size_t frameLength; /*! * @brief Creates a new OFMethodSignature with the specified ObjC types. * * @param types The ObjC types of the method * @return A new, autoreleased OFMethodSignature */ + (instancetype)signatureWithObjCTypes: (const char *)types; /*! * @brief Initializes an already allocated OFMethodSignature with the specified * ObjC types. * * @param types The ObjC types of the method * @return An Initialized OFMethodSignature */ - (instancetype)initWithObjCTypes: (const char *)types; /*! * @brief Returns the ObjC type for the argument at the specified index. * * @param index The index of the argument for which to return the ObjC type * @return The ObjC type for the argument at the specified index */ - (const char *)argumentTypeAtIndex: (size_t)index; /*! * @brief Returns the offset on the stack frame of the argument at the * specified index. * * @note This is platform-dependent! * * @param index The index of the argument for which to return the offset * @return The offset on the stack frame of the argument at the specified index */ - (size_t)argumentOffsetAtIndex: (size_t)index; @end #ifdef __cplusplus extern "C" { #endif /*! * @brief Returns the size for the specified type encoding. * * @param type The type encoding to return the size for * @return The size for the specified type encoding */ extern size_t of_sizeof_type_encoding(const char *type); /*! * @brief Returns the alignment for the specified type encoding. * * @param type The type encoding to return the alignment for * @return The alignment for the specified type encoding */ extern size_t of_alignof_type_encoding(const char *type); #ifdef __cplusplus } #endif OF_ASSUME_NONNULL_END