1 /* Encoding of types for Objective C.
2 Copyright (C) 1993, 1997, 2002, 2004, 2009, 2010
3 Free Software Foundation, Inc.
5 Author: Kresten Krab Thorup
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
14 GCC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 Under Section 7 of GPL version 3, you are granted additional
20 permissions described in the GCC Runtime Library Exception, version
21 3.1, as published by the Free Software Foundation.
23 You should have received a copy of the GNU General Public License and
24 a copy of the GCC Runtime Library Exception along with this program;
25 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
26 <http://www.gnu.org/licenses/>. */
29 #ifndef __encoding_INCLUDE_GNU
30 #define __encoding_INCLUDE_GNU
32 /* This file is to be used with the "traditional" GNU Objective-C
33 Runtime API (the one declared in objc/objc-api.h). If you are
34 using the "modern" GNU Objective-C Runtime API, then the useful
35 functions from this file are declared in objc/runtime.h. */
42 #endif /* __cplusplus */
44 /* The following are used in encode strings to describe some
45 qualifiers of method and ivar types. */
53 #define _C_GCINVISIBLE '|'
55 /* The same when used as flags. */
60 #define _F_BYCOPY 0x04
62 #define _F_ONEWAY 0x10
63 #define _F_GCINVISIBLE 0x20
65 int objc_sizeof_type (const char *type);
66 int objc_alignof_type (const char *type);
67 int objc_aligned_size (const char *type);
68 int objc_promoted_size (const char *type);
70 const char *objc_skip_type_qualifiers (const char *type);
71 const char *objc_skip_typespec (const char *type);
72 const char *objc_skip_offset (const char *type);
73 const char *objc_skip_argspec (const char *type);
74 unsigned objc_get_type_qualifiers (const char *type);
76 /* The following functions are replaced, in the modern API, by
77 method_getNumberOfArguments(), method_getArgumentType(). */
78 int method_get_number_of_arguments (struct objc_method *);
79 int method_get_sizeof_arguments (struct objc_method *);
81 /* The following functions are deprecated and they use arglist_t which
83 char *method_get_first_argument (struct objc_method *,
86 char *method_get_next_argument (arglist_t argframe,
88 char *method_get_nth_argument (struct objc_method *m,
93 struct objc_struct_layout
95 const char *original_type;
97 const char *prev_type;
98 unsigned int record_size;
99 unsigned int record_align;
102 void objc_layout_structure (const char *type,
103 struct objc_struct_layout *layout);
104 BOOL objc_layout_structure_next_member (struct objc_struct_layout *layout);
105 void objc_layout_finish_structure (struct objc_struct_layout *layout,
107 unsigned int *align);
108 void objc_layout_structure_get_info (struct objc_struct_layout *layout,
109 unsigned int *offset,
115 #endif /* __cplusplus */
117 #endif /* __encoding_INCLUDE_GNU */