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2899534b2c
In libobjc/: 2010-12-19 Nicola Pero <nicola.pero@meta-innovation.com> * objc/encoding.h: Updated comments. * objc/runtime.h: Updated comments. (objc_setGetUnknownClassHandler): Mark with objc_EXPORT. (objc_sizeof_type): Same. (objc_alignof_type): Same. (objc_aligned_size): Same. (objc_promoted_size): Same. (objc_skip_type_qualifiers): Same. (objc_skip_typespec): Same. (objc_skip_offset): Same. (objc_skip_argspec): Same. (objc_get_type_qualifiers): Same. (objc_layout_structure): Same. (objc_layout_structure_next_member): Same. (objc_layout_finish_structure): Same. (objc_layout_structure_get_info): Same. From-SVN: r168051
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/* Encoding of types for Objective C.
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Copyright (C) 1993, 1997, 2002, 2004, 2009 Free Software Foundation, Inc.
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Author: Kresten Krab Thorup
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef __encoding_INCLUDE_GNU
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#define __encoding_INCLUDE_GNU
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/* This file is to be used with the "traditional" GNU Objective-C
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Runtime API (the one declared in objc/objc-api.h). If you are
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using the "modern" GNU Objective-C Runtime API, then the useful
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functions from this file are declared in objc/runtime.h. */
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#include "objc-api.h"
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#include <ctype.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* The following are used in encode strings to describe some
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qualifiers of method and ivar types. */
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#define _C_CONST 'r'
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#define _C_IN 'n'
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#define _C_INOUT 'N'
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#define _C_OUT 'o'
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#define _C_BYCOPY 'O'
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#define _C_BYREF 'R'
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#define _C_ONEWAY 'V'
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#define _C_GCINVISIBLE '|'
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/* The same when used as flags. */
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#define _F_CONST 0x01
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#define _F_IN 0x01
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#define _F_OUT 0x02
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#define _F_INOUT 0x03
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#define _F_BYCOPY 0x04
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#define _F_BYREF 0x08
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#define _F_ONEWAY 0x10
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#define _F_GCINVISIBLE 0x20
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int objc_sizeof_type (const char *type);
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int objc_alignof_type (const char *type);
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int objc_aligned_size (const char *type);
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int objc_promoted_size (const char *type);
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const char *objc_skip_type_qualifiers (const char *type);
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const char *objc_skip_typespec (const char *type);
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const char *objc_skip_offset (const char *type);
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const char *objc_skip_argspec (const char *type);
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unsigned objc_get_type_qualifiers (const char *type);
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/* The following functions are replaced, in the modern API, by
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method_getNumberOfArguments(), method_getArgumentType(). */
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int method_get_number_of_arguments (struct objc_method *);
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int method_get_sizeof_arguments (struct objc_method *);
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/* The following functions are deprecated and they use arglist_t which
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is deprecated. */
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char *method_get_first_argument (struct objc_method *,
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arglist_t argframe,
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const char **type);
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char *method_get_next_argument (arglist_t argframe,
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const char **type);
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char *method_get_nth_argument (struct objc_method *m,
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arglist_t argframe,
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int arg,
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const char **type);
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struct objc_struct_layout
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{
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const char *original_type;
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const char *type;
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const char *prev_type;
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unsigned int record_size;
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unsigned int record_align;
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};
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void objc_layout_structure (const char *type,
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struct objc_struct_layout *layout);
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BOOL objc_layout_structure_next_member (struct objc_struct_layout *layout);
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void objc_layout_finish_structure (struct objc_struct_layout *layout,
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unsigned int *size,
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unsigned int *align);
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void objc_layout_structure_get_info (struct objc_struct_layout *layout,
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unsigned int *offset,
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unsigned int *align,
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const char **type);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __encoding_INCLUDE_GNU */
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