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/* Encoding of types for Objective C.
Copyright (C) 1993, 1997, 2002, 2004, 2009 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 */
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