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Diffstat (limited to 'libobjc/objc/encoding.h')
| -rw-r--r-- | libobjc/objc/encoding.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/libobjc/objc/encoding.h b/libobjc/objc/encoding.h new file mode 100644 index 000000000..7852466b8 --- /dev/null +++ b/libobjc/objc/encoding.h @@ -0,0 +1,117 @@ +/* Encoding of types for Objective C. + Copyright (C) 1993, 1997, 2002, 2004, 2009, 2010 + Free Software Foundation, Inc. + +Author: Kresten Krab Thorup + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC 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 General Public License for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +#ifndef __encoding_INCLUDE_GNU +#define __encoding_INCLUDE_GNU + +/* This file is to be used with the "traditional" GNU Objective-C + Runtime API (the one declared in objc/objc-api.h). If you are + using the "modern" GNU Objective-C Runtime API, then the useful + functions from this file are declared in objc/runtime.h. */ + +#include "objc-api.h" +#include <ctype.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* The following are used in encode strings to describe some + qualifiers of method and ivar types. */ +#define _C_CONST 'r' +#define _C_IN 'n' +#define _C_INOUT 'N' +#define _C_OUT 'o' +#define _C_BYCOPY 'O' +#define _C_BYREF 'R' +#define _C_ONEWAY 'V' +#define _C_GCINVISIBLE '|' + +/* The same when used as flags. */ +#define _F_CONST 0x01 +#define _F_IN 0x01 +#define _F_OUT 0x02 +#define _F_INOUT 0x03 +#define _F_BYCOPY 0x04 +#define _F_BYREF 0x08 +#define _F_ONEWAY 0x10 +#define _F_GCINVISIBLE 0x20 + +int objc_sizeof_type (const char *type); +int objc_alignof_type (const char *type); +int objc_aligned_size (const char *type); +int objc_promoted_size (const char *type); + +const char *objc_skip_type_qualifiers (const char *type); +const char *objc_skip_typespec (const char *type); +const char *objc_skip_offset (const char *type); +const char *objc_skip_argspec (const char *type); +unsigned objc_get_type_qualifiers (const char *type); + +/* The following functions are replaced, in the modern API, by + method_getNumberOfArguments(), method_getArgumentType(). */ +int method_get_number_of_arguments (struct objc_method *); +int method_get_sizeof_arguments (struct objc_method *); + +/* The following functions are deprecated and they use arglist_t which + is deprecated. */ +char *method_get_first_argument (struct objc_method *, + arglist_t argframe, + const char **type); +char *method_get_next_argument (arglist_t argframe, + const char **type); +char *method_get_nth_argument (struct objc_method *m, + arglist_t argframe, + int arg, + const char **type); + +struct objc_struct_layout +{ + const char *original_type; + const char *type; + const char *prev_type; + unsigned int record_size; + unsigned int record_align; +}; + +void objc_layout_structure (const char *type, + struct objc_struct_layout *layout); +BOOL objc_layout_structure_next_member (struct objc_struct_layout *layout); +void objc_layout_finish_structure (struct objc_struct_layout *layout, + unsigned int *size, + unsigned int *align); +void objc_layout_structure_get_info (struct objc_struct_layout *layout, + unsigned int *offset, + unsigned int *align, + const char **type); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __encoding_INCLUDE_GNU */ |