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mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-09 22:21:44 +08:00

ObjC NeXT, split encode-support code from next-mapping.h

* objc-obj-c++-shared/next-mapping.h: Move code and definitions for
	emulation of libobjc-gnu structure layout functionality to ..
	* objc-obj-c++-shared/objc-test-suite-next-encode-assist.h: New.
	* objc-obj-c++-shared/objc-test-suite-next-encode-assist-impl.h: New.
	* objc/execute/bf-common.h: Adjust headers.
	* objc/execute/bf-1.m: Likewise.
	* objc/execute/bf-2.m: Likewise.
	* objc/execute/bf-3.m: Likewise.
	* objc/execute/bf-4.m: Likewise.
	* objc/execute/bf-5.m: Likewise.
	* objc/execute/bf-6.m: Likewise.
	* objc/execute/bf-7.m: Likewise.
	* objc/execute/bf-8.m: Likewise.
	* objc/execute/bf-9.m: Likewise.
	* objc/execute/bf-10.m: Likewise.
	* objc/execute/bf-11.m: Likewise.
	* objc/execute/bf-12.m: Likewise.
	* objc/execute/bf-13.m: Likewise.
	* objc/execute/bf-14.m: Likewise.
	* objc/execute/bf-15.m: Likewise.
	* objc/execute/bf-16.m: Likewise.
	* objc/execute/bf-17.m: Likewise.
	* objc/execute/bf-18.m: Likewise.
	* objc/execute/bf-19.m: Likewise.
	* objc/execute/bf-20.m: Likewise.
	* objc/execute/bf-21.m: Likewise.
	* objc/execute/bycopy-3.m: Adjust headers, add next-specific code for
	objc_get_type_qualifiers ().

From-SVN: r168597
This commit is contained in:
Iain Sandoe 2011-01-08 14:12:14 +00:00
parent ecb3baaa8e
commit d5dc93f446
27 changed files with 963 additions and 880 deletions

@ -1,3 +1,34 @@
2011-01-08 Iain Sandoe <iains@gcc.gnu.org>
* objc-obj-c++-shared/next-mapping.h: Move code and definitions for
emulation of libobjc-gnu structure layout functionality to ..
* objc-obj-c++-shared/objc-test-suite-next-encode-assist.h: New.
* objc-obj-c++-shared/objc-test-suite-next-encode-assist-impl.h: New.
* objc/execute/bf-common.h: Adjust headers.
* objc/execute/bf-1.m: Likewise.
* objc/execute/bf-2.m: Likewise.
* objc/execute/bf-3.m: Likewise.
* objc/execute/bf-4.m: Likewise.
* objc/execute/bf-5.m: Likewise.
* objc/execute/bf-6.m: Likewise.
* objc/execute/bf-7.m: Likewise.
* objc/execute/bf-8.m: Likewise.
* objc/execute/bf-9.m: Likewise.
* objc/execute/bf-10.m: Likewise.
* objc/execute/bf-11.m: Likewise.
* objc/execute/bf-12.m: Likewise.
* objc/execute/bf-13.m: Likewise.
* objc/execute/bf-14.m: Likewise.
* objc/execute/bf-15.m: Likewise.
* objc/execute/bf-16.m: Likewise.
* objc/execute/bf-17.m: Likewise.
* objc/execute/bf-18.m: Likewise.
* objc/execute/bf-19.m: Likewise.
* objc/execute/bf-20.m: Likewise.
* objc/execute/bf-21.m: Likewise.
* objc/execute/bycopy-3.m: Adjust headers, add next-specific code for
objc_get_type_qualifiers ().
2011-01-08 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/45777

@ -1,3 +1,6 @@
#ifndef _OBJC_NEXT_MAPPING_H_
#define _OBJC_NEXT_MAPPING_H_
/* This file "renames" various ObjC GNU runtime entry points
(and fakes the existence of several others)
if the NeXT runtime is being used. */
@ -81,839 +84,6 @@
#define NULL 0
#endif
/* The following is necessary to "cover" the bf*.m test cases on NeXT. */
#undef MAX
#undef MIN
#undef ROUND
#ifdef __cplusplus
# define MAX(X, Y) ((X > Y) ? X : Y)
# define MIN(X, Y) ((X < Y) ? X : Y)
# define ROUND(V, A) (A * ((V + A - 1) / A))
#else
# define MAX(X, Y) \
({ typeof (X) __x = (X), __y = (Y); \
(__x > __y ? __x : __y); })
# define MIN(X, Y) \
({ typeof (X) __x = (X), __y = (Y); \
(__x < __y ? __x : __y); })
# define ROUND(V, A) \
({ typeof (V) __v = (V); typeof (A) __a = (A); \
__a * ((__v+__a - 1)/__a); })
#endif
#define BITS_PER_UNIT __CHAR_BIT__
typedef struct{ char a; } __small_struct;
#define STRUCTURE_SIZE_BOUNDARY (BITS_PER_UNIT * sizeof (__small_struct))
/* Not sure why the following are missing from NeXT objc headers... */
#ifndef _C_LNG_LNG
#define _C_LNG_LNG 'q'
#endif
#ifndef _C_ULNG_LNG
#define _C_ULNG_LNG 'Q'
#endif
#ifndef _C_ATOM
#define _C_ATOM '%'
#endif
#ifndef _C_BOOL
#define _C_BOOL 'B'
#endif
#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 '!'
#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
struct objc_struct_layout
{
const char *original_type;
const char *type;
const char *prev_type;
unsigned int record_size;
unsigned int record_align;
};
typedef union arglist {
char *arg_ptr;
char arg_regs[sizeof (char*)];
} *arglist_t; /* argument frame */
const char *objc_skip_typespec (const char *type);
void objc_layout_structure_get_info (struct objc_struct_layout *layout,
unsigned int *offset, unsigned int *align, const char **type);
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);
int objc_aligned_size (const char *type);
/*
return the size of an object specified by type
*/
int
objc_sizeof_type (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
switch (*type) {
case _C_ID:
return sizeof (id);
break;
case _C_CLASS:
return sizeof (Class);
break;
case _C_SEL:
return sizeof (SEL);
break;
case _C_CHR:
return sizeof (char);
break;
case _C_UCHR:
return sizeof (unsigned char);
break;
case _C_SHT:
return sizeof (short);
break;
case _C_USHT:
return sizeof (unsigned short);
break;
case _C_INT:
return sizeof (int);
break;
case _C_UINT:
return sizeof (unsigned int);
break;
case _C_LNG:
return sizeof (long);
break;
case _C_ULNG:
return sizeof (unsigned long);
break;
case _C_LNG_LNG:
return sizeof (long long);
break;
case _C_ULNG_LNG:
return sizeof (unsigned long long);
break;
case _C_FLT:
return sizeof (float);
break;
case _C_DBL:
return sizeof (double);
break;
case _C_PTR:
case _C_ATOM:
case _C_CHARPTR:
return sizeof (char *);
break;
case _C_ARY_B:
{
int len = atoi (type + 1);
while (isdigit ((unsigned char)*++type))
;
return len * objc_aligned_size (type);
}
break;
case _C_BFLD:
{
/* The NeXT encoding of bitfields is _still_: b 'size' */
int size = atoi (type + 1);
/* Return an upper bound on byte size */
return (size + BITS_PER_UNIT - 1) / BITS_PER_UNIT;
}
case _C_STRUCT_B:
{
struct objc_struct_layout layout;
unsigned int size;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
/* do nothing */ ;
objc_layout_finish_structure (&layout, &size, NULL);
return size;
}
case _C_UNION_B:
{
int max_size = 0;
while (*type != _C_UNION_E && *type++ != '=')
/* do nothing */;
while (*type != _C_UNION_E)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
max_size = MAX (max_size, objc_sizeof_type (type));
type = objc_skip_typespec (type);
}
return max_size;
}
}
return 0; /* error */
}
/*
Return the alignment of an object specified by type
*/
int
objc_alignof_type (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
switch (*type) {
case _C_ID:
return __alignof__ (id);
break;
case _C_CLASS:
return __alignof__ (Class);
break;
case _C_SEL:
return __alignof__ (SEL);
break;
case _C_CHR:
return __alignof__ (char);
break;
case _C_UCHR:
return __alignof__ (unsigned char);
break;
case _C_SHT:
return __alignof__ (short);
break;
case _C_USHT:
return __alignof__ (unsigned short);
break;
case _C_INT:
case _C_BFLD: /* This is for the NeXT only */
return __alignof__ (int);
break;
case _C_UINT:
return __alignof__ (unsigned int);
break;
case _C_LNG:
return __alignof__ (long);
break;
case _C_ULNG:
return __alignof__ (unsigned long);
break;
case _C_LNG_LNG:
return __alignof__ (long long);
break;
case _C_ULNG_LNG:
return __alignof__ (unsigned long long);
break;
case _C_FLT:
return __alignof__ (float);
break;
case _C_DBL:
return __alignof__ (double);
break;
case _C_PTR:
case _C_ATOM:
case _C_CHARPTR:
return __alignof__ (char *);
break;
case _C_ARY_B:
while (isdigit ((unsigned char)*++type))
/* do nothing */;
return objc_alignof_type (type);
case _C_STRUCT_B:
{
struct objc_struct_layout layout;
unsigned int align;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
/* do nothing */;
objc_layout_finish_structure (&layout, NULL, &align);
return align;
}
case _C_UNION_B:
{
int maxalign = 0;
while (*type != _C_UNION_E && *type++ != '=')
/* do nothing */;
while (*type != _C_UNION_E)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
maxalign = MAX (maxalign, objc_alignof_type (type));
type = objc_skip_typespec (type);
}
return maxalign;
}
}
return 0; /* error */
}
/*
The aligned size if the size rounded up to the nearest alignment.
*/
int
objc_aligned_size (const char *type)
{
int size, align;
/* Skip the variable name */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
size = objc_sizeof_type (type);
align = objc_alignof_type (type);
return ROUND (size, align);
}
/*
The size rounded up to the nearest integral of the wordsize, taken
to be the size of a void *.
*/
int
objc_promoted_size (const char *type)
{
int size, wordsize;
/* Skip the variable name */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
size = objc_sizeof_type (type);
wordsize = sizeof (void *);
return ROUND (size, wordsize);
}
/*
Skip type qualifiers. These may eventually precede typespecs
occurring in method prototype encodings.
*/
inline const char *
objc_skip_type_qualifiers (const char *type)
{
while (*type == _C_CONST
|| *type == _C_IN
|| *type == _C_INOUT
|| *type == _C_OUT
|| *type == _C_BYCOPY
|| *type == _C_BYREF
|| *type == _C_ONEWAY
|| *type == _C_GCINVISIBLE)
{
type += 1;
}
return type;
}
/*
Skip one typespec element. If the typespec is prepended by type
qualifiers, these are skipped as well.
*/
const char *
objc_skip_typespec (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
type = objc_skip_type_qualifiers (type);
switch (*type) {
case _C_ID:
/* An id may be annotated by the actual type if it is known
with the @"ClassName" syntax */
if (*++type != '"')
return type;
else
{
while (*++type != '"')
/* do nothing */;
return type + 1;
}
/* The following are one character type codes */
case _C_CLASS:
case _C_SEL:
case _C_CHR:
case _C_UCHR:
case _C_CHARPTR:
case _C_ATOM:
case _C_SHT:
case _C_USHT:
case _C_INT:
case _C_UINT:
case _C_LNG:
case _C_ULNG:
case _C_LNG_LNG:
case _C_ULNG_LNG:
case _C_FLT:
case _C_DBL:
case _C_VOID:
case _C_UNDEF:
return ++type;
break;
case _C_ARY_B:
/* skip digits, typespec and closing ']' */
while (isdigit ((unsigned char)*++type))
;
type = objc_skip_typespec (type);
if (*type == _C_ARY_E)
return ++type;
else
break; /* error */
case _C_BFLD:
/* The NeXT encoding for bitfields is _still_: b 'size' */
while (isdigit ((unsigned char)*++type))
; /* skip type and size */
return type;
case _C_STRUCT_B:
/* skip name, and elements until closing '}' */
while (*type != _C_STRUCT_E && *type++ != '=')
;
while (*type != _C_STRUCT_E)
{
type = objc_skip_typespec (type);
}
return ++type;
case _C_UNION_B:
/* skip name, and elements until closing ')' */
while (*type != _C_UNION_E && *type++ != '=')
;
while (*type != _C_UNION_E)
{
type = objc_skip_typespec (type);
}
return ++type;
case _C_PTR:
/* Just skip the following typespec */
return objc_skip_typespec (++type);
}
return 0; /* error */
}
/*
Skip an offset as part of a method encoding. This is prepended by a
'+' if the argument is passed in registers.
*/
inline const char *
objc_skip_offset (const char *type)
{
if (*type == '+')
type++;
while (isdigit ((unsigned char) *++type))
;
return type;
}
/*
Skip an argument specification of a method encoding.
*/
const char *
objc_skip_argspec (const char *type)
{
type = objc_skip_typespec (type);
type = objc_skip_offset (type);
return type;
}
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
typedef void *PMETH;
#else
typedef struct objc_method *PMETH;
#endif
/*
Return the number of arguments that the method MTH expects.
Note that all methods need two implicit arguments `self' and
`_cmd'.
*/
int
method_get_number_of_arguments (PMETH mth)
{
int i = 0;
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *type = method_getTypeEncoding((Method)mth);
#else
const char *type = mth->method_types;
#endif
while (*type)
{
type = objc_skip_argspec (type);
i += 1;
}
return i - 1;
}
/*
Return the size of the argument block needed on the stack to invoke
the method MTH. This may be zero, if all arguments are passed in
registers.
*/
int
method_get_sizeof_arguments (PMETH mth)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *type = objc_skip_typespec (method_getTypeEncoding((Method)mth));
#else
const char *type = objc_skip_typespec (mth->method_types);
#endif
return atoi (type);
}
/*
Return a pointer to the next argument of ARGFRAME. type points to
the last argument. Typical use of this look like:
{
char *datum, *type;
for (datum = method_get_first_argument (method, argframe, &type);
datum; datum = method_get_next_argument (argframe, &type))
{
unsigned flags = objc_get_type_qualifiers (type);
type = objc_skip_type_qualifiers (type);
if (*type != _C_PTR)
[portal encodeData: datum ofType: type];
else
{
if ((flags & _F_IN) == _F_IN)
[portal encodeData: *(char **) datum ofType: ++type];
}
}
}
*/
char *
method_get_next_argument (arglist_t argframe, const char **type)
{
const char *t = objc_skip_argspec (*type);
if (*t == '\0')
return 0;
*type = t;
t = objc_skip_typespec (t);
if (*t == '+')
return argframe->arg_regs + atoi (++t);
else
return argframe->arg_ptr + atoi (t);
}
/*
Return a pointer to the value of the first argument of the method
described in M with the given argumentframe ARGFRAME. The type
is returned in TYPE. type must be passed to successive calls of
method_get_next_argument.
*/
char *
method_get_first_argument (PMETH m,
arglist_t argframe,
const char **type)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
*type = method_getTypeEncoding((Method)m);
#else
*type = m->method_types;
#endif
return method_get_next_argument (argframe, type);
}
/*
Return a pointer to the ARGth argument of the method
M from the frame ARGFRAME. The type of the argument
is returned in the value-result argument TYPE
*/
char *
method_get_nth_argument (PMETH m,
arglist_t argframe, int arg,
const char **type)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *t = objc_skip_argspec (method_getTypeEncoding((Method)m));
#else
const char *t = objc_skip_argspec (m->method_types);
#endif
if (arg > method_get_number_of_arguments (m))
return 0;
while (arg--)
t = objc_skip_argspec (t);
*type = t;
t = objc_skip_typespec (t);
if (*t == '+')
return argframe->arg_regs + atoi (++t);
else
return argframe->arg_ptr + atoi (t);
}
unsigned
objc_get_type_qualifiers (const char *type)
{
unsigned res = 0;
BOOL flag = YES;
while (flag)
switch (*type++)
{
case _C_CONST: res |= _F_CONST; break;
case _C_IN: res |= _F_IN; break;
case _C_INOUT: res |= _F_INOUT; break;
case _C_OUT: res |= _F_OUT; break;
case _C_BYCOPY: res |= _F_BYCOPY; break;
case _C_BYREF: res |= _F_BYREF; break;
case _C_ONEWAY: res |= _F_ONEWAY; break;
case _C_GCINVISIBLE: res |= _F_GCINVISIBLE; break;
default: flag = NO;
}
return res;
}
/* The following three functions can be used to determine how a
structure is laid out by the compiler. For example:
struct objc_struct_layout layout;
int i;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
{
int position, align;
const char *type;
objc_layout_structure_get_info (&layout, &position, &align, &type);
printf ("element %d has offset %d, alignment %d\n",
i++, position, align);
}
These functions are used by objc_sizeof_type and objc_alignof_type
functions to compute the size and alignment of structures. The
previous method of computing the size and alignment of a structure
was not working on some architectures, particulary on AIX, and in
the presence of bitfields inside the structure. */
void
objc_layout_structure (const char *type,
struct objc_struct_layout *layout)
{
const char *ntype;
layout->original_type = ++type;
/* Skip "<name>=" if any. Avoid embedded structures and unions. */
ntype = type;
while (*ntype != _C_STRUCT_E && *ntype != _C_STRUCT_B && *ntype != _C_UNION_B
&& *ntype++ != '=')
/* do nothing */;
/* If there's a "<name>=", ntype - 1 points to '='; skip the the name */
if (*(ntype - 1) == '=')
type = ntype;
layout->type = type;
layout->prev_type = NULL;
layout->record_size = 0;
layout->record_align = MAX (BITS_PER_UNIT, STRUCTURE_SIZE_BOUNDARY);
}
BOOL
objc_layout_structure_next_member (struct objc_struct_layout *layout)
{
register int desired_align = 0;
/* The current type without the type qualifiers */
const char *type;
/* Add the size of the previous field to the size of the record. */
if (layout->prev_type)
{
type = objc_skip_type_qualifiers (layout->prev_type);
if (*type != _C_BFLD)
layout->record_size += objc_sizeof_type (type) * BITS_PER_UNIT;
else
layout->record_size += atoi (++type);
}
if (*layout->type == _C_STRUCT_E)
return NO;
/* Skip the variable name if any */
if (*layout->type == '"')
{
for (layout->type++; *layout->type++ != '"';)
/* do nothing */;
}
type = objc_skip_type_qualifiers (layout->type);
desired_align = objc_alignof_type (type) * BITS_PER_UNIT;
/* Record must have at least as much alignment as any field.
Otherwise, the alignment of the field within the record
is meaningless. */
layout->record_align = MAX (layout->record_align, desired_align);
if (*type == _C_BFLD)
{
int bfld_size = atoi (++type);
int int_align = __alignof__ (int) * BITS_PER_UNIT;
/* If this bitfield would traverse a word alignment boundary, push it out
to that boundary instead. */
if (layout->record_size % int_align
&& (layout->record_size / int_align
< (layout->record_size + bfld_size - 1) / int_align))
layout->record_size = ROUND (layout->record_size, int_align);
}
else if (layout->record_size % desired_align != 0)
{
/* We need to skip space before this field.
Bump the cumulative size to multiple of field alignment. */
layout->record_size = ROUND (layout->record_size, desired_align);
}
/* Jump to the next field in record. */
layout->prev_type = layout->type;
layout->type = objc_skip_typespec (layout->type); /* skip component */
return YES;
}
void objc_layout_finish_structure (struct objc_struct_layout *layout,
unsigned int *size,
unsigned int *align)
{
if (layout->type && *layout->type == _C_STRUCT_E)
{
/* Round the size up to be a multiple of the required alignment */
layout->record_size = ROUND (layout->record_size, layout->record_align);
layout->type = NULL;
}
if (size)
*size = layout->record_size / BITS_PER_UNIT;
if (align)
*align = layout->record_align / BITS_PER_UNIT;
}
void objc_layout_structure_get_info (struct objc_struct_layout *layout,
unsigned int *offset,
unsigned int *align,
const char **type)
{
if (offset)
*offset = layout->record_size / BITS_PER_UNIT;
if (align)
*align = layout->record_align / BITS_PER_UNIT;
if (type)
*type = layout->prev_type;
}
/* A small, portable NSConstantString implementation for use with the NeXT
runtime.
@ -983,4 +153,5 @@ void objc_constant_string_init (void) {
sizeof (_NSConstantStringClassReference));
}
#endif /* #ifdef __NEXT_RUNTIME__ */
#endif /*__NEXT_RUNTIME__ */
#endif /* _OBJC_NEXT_MAPPING_H_ */

@ -0,0 +1,785 @@
#ifndef _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_IMPL_H_
#define _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_IMPL_H_
#ifdef __NEXT_RUNTIME__
/* Determine which API to use. */
#include "next-abi.h"
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
#include <objc/runtime.h>
typedef void * PMETH;
#else
#include <objc/objc-runtime.h>
typedef struct objc_method * PMETH;
#endif
/* ---- */
#undef MAX
#undef MIN
#undef ROUND
#ifdef __cplusplus
# define MAX(X, Y) ((X > Y) ? X : Y)
# define MIN(X, Y) ((X < Y) ? X : Y)
# define ROUND(V, A) (A * ((V + A - 1) / A))
#else
# define MAX(X, Y) \
({ typeof (X) __x = (X), __y = (Y); \
(__x > __y ? __x : __y); })
# define MIN(X, Y) \
({ typeof (X) __x = (X), __y = (Y); \
(__x < __y ? __x : __y); })
# define ROUND(V, A) \
({ typeof (V) __v = (V); typeof (A) __a = (A); \
__a * ((__v+__a - 1)/__a); })
#endif
#define BITS_PER_UNIT __CHAR_BIT__
typedef struct{ char a; } __small_struct;
#define STRUCTURE_SIZE_BOUNDARY (BITS_PER_UNIT * sizeof (__small_struct))
/*
return the size of an object specified by type
*/
int
objc_sizeof_type (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
switch (*type) {
case _C_ID:
return sizeof (id);
break;
case _C_CLASS:
return sizeof (Class);
break;
case _C_SEL:
return sizeof (SEL);
break;
case _C_CHR:
return sizeof (char);
break;
case _C_UCHR:
return sizeof (unsigned char);
break;
case _C_SHT:
return sizeof (short);
break;
case _C_USHT:
return sizeof (unsigned short);
break;
case _C_INT:
return sizeof (int);
break;
case _C_UINT:
return sizeof (unsigned int);
break;
case _C_LNG:
return sizeof (long);
break;
case _C_ULNG:
return sizeof (unsigned long);
break;
case _C_LNG_LNG:
return sizeof (long long);
break;
case _C_ULNG_LNG:
return sizeof (unsigned long long);
break;
case _C_FLT:
return sizeof (float);
break;
case _C_DBL:
return sizeof (double);
break;
case _C_PTR:
case _C_ATOM:
case _C_CHARPTR:
return sizeof (char *);
break;
case _C_ARY_B:
{
int len = atoi (type + 1);
while (isdigit ((unsigned char)*++type))
;
return len * objc_aligned_size (type);
}
break;
case _C_BFLD:
{
/* The NeXT encoding of bitfields is _still_: b 'size' */
int size = atoi (type + 1);
/* Return an upper bound on byte size */
return (size + BITS_PER_UNIT - 1) / BITS_PER_UNIT;
}
case _C_STRUCT_B:
{
struct objc_struct_layout layout;
unsigned int size;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
/* do nothing */ ;
objc_layout_finish_structure (&layout, &size, NULL);
return size;
}
case _C_UNION_B:
{
int max_size = 0;
while (*type != _C_UNION_E && *type++ != '=')
/* do nothing */;
while (*type != _C_UNION_E)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
max_size = MAX (max_size, objc_sizeof_type (type));
type = objc_skip_typespec (type);
}
return max_size;
}
}
return 0; /* error */
}
/*
Return the alignment of an object specified by type
*/
int
objc_alignof_type (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
switch (*type) {
case _C_ID:
return __alignof__ (id);
break;
case _C_CLASS:
return __alignof__ (Class);
break;
case _C_SEL:
return __alignof__ (SEL);
break;
case _C_CHR:
return __alignof__ (char);
break;
case _C_UCHR:
return __alignof__ (unsigned char);
break;
case _C_SHT:
return __alignof__ (short);
break;
case _C_USHT:
return __alignof__ (unsigned short);
break;
case _C_INT:
case _C_BFLD: /* This is for the NeXT only */
return __alignof__ (int);
break;
case _C_UINT:
return __alignof__ (unsigned int);
break;
case _C_LNG:
return __alignof__ (long);
break;
case _C_ULNG:
return __alignof__ (unsigned long);
break;
case _C_LNG_LNG:
return __alignof__ (long long);
break;
case _C_ULNG_LNG:
return __alignof__ (unsigned long long);
break;
case _C_FLT:
return __alignof__ (float);
break;
case _C_DBL:
return __alignof__ (double);
break;
case _C_PTR:
case _C_ATOM:
case _C_CHARPTR:
return __alignof__ (char *);
break;
case _C_ARY_B:
while (isdigit ((unsigned char)*++type))
/* do nothing */;
return objc_alignof_type (type);
case _C_STRUCT_B:
{
struct objc_struct_layout layout;
unsigned int align;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
/* do nothing */;
objc_layout_finish_structure (&layout, NULL, &align);
return align;
}
case _C_UNION_B:
{
int maxalign = 0;
while (*type != _C_UNION_E && *type++ != '=')
/* do nothing */;
while (*type != _C_UNION_E)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
maxalign = MAX (maxalign, objc_alignof_type (type));
type = objc_skip_typespec (type);
}
return maxalign;
}
}
return 0; /* error */
}
/*
The aligned size if the size rounded up to the nearest alignment.
*/
int
objc_aligned_size (const char *type)
{
int size, align;
/* Skip the variable name */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
size = objc_sizeof_type (type);
align = objc_alignof_type (type);
return ROUND (size, align);
}
/*
The size rounded up to the nearest integral of the wordsize, taken
to be the size of a void *.
*/
int
objc_promoted_size (const char *type)
{
int size, wordsize;
/* Skip the variable name */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
size = objc_sizeof_type (type);
wordsize = sizeof (void *);
return ROUND (size, wordsize);
}
/*
Skip type qualifiers. These may eventually precede typespecs
occurring in method prototype encodings.
*/
const char *
objc_skip_type_qualifiers (const char *type)
{
while (*type == _C_CONST
|| *type == _C_IN
|| *type == _C_INOUT
|| *type == _C_OUT
|| *type == _C_BYCOPY
|| *type == _C_BYREF
|| *type == _C_ONEWAY
|| *type == _C_GCINVISIBLE)
{
type += 1;
}
return type;
}
/*
Skip one typespec element. If the typespec is prepended by type
qualifiers, these are skipped as well.
*/
const char *
objc_skip_typespec (const char *type)
{
/* Skip the variable name if any */
if (*type == '"')
{
for (type++; *type++ != '"';)
/* do nothing */;
}
type = objc_skip_type_qualifiers (type);
switch (*type) {
case _C_ID:
/* An id may be annotated by the actual type if it is known
with the @"ClassName" syntax */
if (*++type != '"')
return type;
else
{
while (*++type != '"')
/* do nothing */;
return type + 1;
}
/* The following are one character type codes */
case _C_CLASS:
case _C_SEL:
case _C_CHR:
case _C_UCHR:
case _C_CHARPTR:
case _C_ATOM:
case _C_SHT:
case _C_USHT:
case _C_INT:
case _C_UINT:
case _C_LNG:
case _C_ULNG:
case _C_LNG_LNG:
case _C_ULNG_LNG:
case _C_FLT:
case _C_DBL:
case _C_VOID:
case _C_UNDEF:
return ++type;
break;
case _C_ARY_B:
/* skip digits, typespec and closing ']' */
while (isdigit ((unsigned char)*++type))
;
type = objc_skip_typespec (type);
if (*type == _C_ARY_E)
return ++type;
else
break; /* error */
case _C_BFLD:
/* The NeXT encoding for bitfields is _still_: b 'size' */
while (isdigit ((unsigned char)*++type))
; /* skip type and size */
return type;
case _C_STRUCT_B:
/* skip name, and elements until closing '}' */
while (*type != _C_STRUCT_E && *type++ != '=')
;
while (*type != _C_STRUCT_E)
{
type = objc_skip_typespec (type);
}
return ++type;
case _C_UNION_B:
/* skip name, and elements until closing ')' */
while (*type != _C_UNION_E && *type++ != '=')
;
while (*type != _C_UNION_E)
{
type = objc_skip_typespec (type);
}
return ++type;
case _C_PTR:
/* Just skip the following typespec */
return objc_skip_typespec (++type);
}
return 0; /* error */
}
/*
Skip an offset as part of a method encoding. This is prepended by a
'+' if the argument is passed in registers.
*/
const char *
objc_skip_offset (const char *type)
{
if (*type == '+')
type++;
while (isdigit ((unsigned char) *++type))
;
return type;
}
/*
Skip an argument specification of a method encoding.
*/
const char *
objc_skip_argspec (const char *type)
{
type = objc_skip_typespec (type);
type = objc_skip_offset (type);
return type;
}
/*
Return the number of arguments that the method MTH expects.
Note that all methods need two implicit arguments `self' and
`_cmd'.
*/
int
method_get_number_of_arguments (PMETH mth)
{
int i = 0;
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *type = method_getTypeEncoding((Method)mth);
#else
const char *type = mth->method_types;
#endif
while (*type)
{
type = objc_skip_argspec (type);
i += 1;
}
return i - 1;
}
/*
Return the size of the argument block needed on the stack to invoke
the method MTH. This may be zero, if all arguments are passed in
registers.
*/
int
method_get_sizeof_arguments (PMETH mth)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *type = objc_skip_typespec (method_getTypeEncoding((Method)mth));
#else
const char *type = objc_skip_typespec (mth->method_types);
#endif
return atoi (type);
}
/*
Return a pointer to the next argument of ARGFRAME. type points to
the last argument. Typical use of this look like:
{
char *datum, *type;
for (datum = method_get_first_argument (method, argframe, &type);
datum; datum = method_get_next_argument (argframe, &type))
{
unsigned flags = objc_get_type_qualifiers (type);
type = objc_skip_type_qualifiers (type);
if (*type != _C_PTR)
[portal encodeData: datum ofType: type];
else
{
if ((flags & _F_IN) == _F_IN)
[portal encodeData: *(char **) datum ofType: ++type];
}
}
}
*/
char *
method_get_next_argument (arglist_t argframe, const char **type)
{
const char *t = objc_skip_argspec (*type);
if (*t == '\0')
return 0;
*type = t;
t = objc_skip_typespec (t);
if (*t == '+')
return argframe->arg_regs + atoi (++t);
else
return argframe->arg_ptr + atoi (t);
}
/*
Return a pointer to the value of the first argument of the method
described in M with the given argumentframe ARGFRAME. The type
is returned in TYPE. type must be passed to successive calls of
method_get_next_argument.
*/
char *
method_get_first_argument (PMETH m,
arglist_t argframe,
const char **type)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
*type = method_getTypeEncoding((Method)m);
#else
*type = m->method_types;
#endif
return method_get_next_argument (argframe, type);
}
/*
Return a pointer to the ARGth argument of the method
M from the frame ARGFRAME. The type of the argument
is returned in the value-result argument TYPE
*/
char *
method_get_nth_argument (PMETH m,
arglist_t argframe, int arg,
const char **type)
{
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
const char *t = objc_skip_argspec (method_getTypeEncoding((Method)m));
#else
const char *t = objc_skip_argspec (m->method_types);
#endif
if (arg > method_get_number_of_arguments (m))
return 0;
while (arg--)
t = objc_skip_argspec (t);
*type = t;
t = objc_skip_typespec (t);
if (*t == '+')
return argframe->arg_regs + atoi (++t);
else
return argframe->arg_ptr + atoi (t);
}
unsigned
objc_get_type_qualifiers (const char *type)
{
unsigned res = 0;
BOOL flag = YES;
while (flag)
switch (*type++)
{
case _C_CONST: res |= _F_CONST; break;
case _C_IN: res |= _F_IN; break;
case _C_INOUT: res |= _F_INOUT; break;
case _C_OUT: res |= _F_OUT; break;
case _C_BYCOPY: res |= _F_BYCOPY; break;
case _C_BYREF: res |= _F_BYREF; break;
case _C_ONEWAY: res |= _F_ONEWAY; break;
case _C_GCINVISIBLE: res |= _F_GCINVISIBLE; break;
default: flag = NO;
}
return res;
}
/* The following three functions can be used to determine how a
structure is laid out by the compiler. For example:
struct objc_struct_layout layout;
int i;
objc_layout_structure (type, &layout);
while (objc_layout_structure_next_member (&layout))
{
int position, align;
const char *type;
objc_layout_structure_get_info (&layout, &position, &align, &type);
printf ("element %d has offset %d, alignment %d\n",
i++, position, align);
}
These functions are used by objc_sizeof_type and objc_alignof_type
functions to compute the size and alignment of structures. The
previous method of computing the size and alignment of a structure
was not working on some architectures, particulary on AIX, and in
the presence of bitfields inside the structure. */
void
objc_layout_structure (const char *type,
struct objc_struct_layout *layout)
{
const char *ntype;
layout->original_type = ++type;
/* Skip "<name>=" if any. Avoid embedded structures and unions. */
ntype = type;
while (*ntype != _C_STRUCT_E && *ntype != _C_STRUCT_B && *ntype != _C_UNION_B
&& *ntype++ != '=')
/* do nothing */;
/* If there's a "<name>=", ntype - 1 points to '='; skip the the name */
if (*(ntype - 1) == '=')
type = ntype;
layout->type = type;
layout->prev_type = NULL;
layout->record_size = 0;
layout->record_align = MAX (BITS_PER_UNIT, STRUCTURE_SIZE_BOUNDARY);
}
BOOL
objc_layout_structure_next_member (struct objc_struct_layout *layout)
{
register int desired_align = 0;
/* The current type without the type qualifiers */
const char *type;
/* Add the size of the previous field to the size of the record. */
if (layout->prev_type)
{
type = objc_skip_type_qualifiers (layout->prev_type);
if (*type != _C_BFLD)
layout->record_size += objc_sizeof_type (type) * BITS_PER_UNIT;
else
layout->record_size += atoi (++type);
}
if (*layout->type == _C_STRUCT_E)
return NO;
/* Skip the variable name if any */
if (*layout->type == '"')
{
for (layout->type++; *layout->type++ != '"';)
/* do nothing */;
}
type = objc_skip_type_qualifiers (layout->type);
desired_align = objc_alignof_type (type) * BITS_PER_UNIT;
/* Record must have at least as much alignment as any field.
Otherwise, the alignment of the field within the record
is meaningless. */
layout->record_align = MAX (layout->record_align, desired_align);
if (*type == _C_BFLD)
{
int bfld_size = atoi (++type);
int int_align = __alignof__ (int) * BITS_PER_UNIT;
/* If this bitfield would traverse a word alignment boundary, push it out
to that boundary instead. */
if (layout->record_size % int_align
&& (layout->record_size / int_align
< (layout->record_size + bfld_size - 1) / int_align))
layout->record_size = ROUND (layout->record_size, int_align);
}
else if (layout->record_size % desired_align != 0)
{
/* We need to skip space before this field.
Bump the cumulative size to multiple of field alignment. */
layout->record_size = ROUND (layout->record_size, desired_align);
}
/* Jump to the next field in record. */
layout->prev_type = layout->type;
layout->type = objc_skip_typespec (layout->type); /* skip component */
return YES;
}
void objc_layout_finish_structure (struct objc_struct_layout *layout,
unsigned int *size,
unsigned int *align)
{
if (layout->type && *layout->type == _C_STRUCT_E)
{
/* Round the size up to be a multiple of the required alignment */
layout->record_size = ROUND (layout->record_size, layout->record_align);
layout->type = NULL;
}
if (size)
*size = layout->record_size / BITS_PER_UNIT;
if (align)
*align = layout->record_align / BITS_PER_UNIT;
}
void objc_layout_structure_get_info (struct objc_struct_layout *layout,
unsigned int *offset,
unsigned int *align,
const char **type)
{
if (offset)
*offset = layout->record_size / BITS_PER_UNIT;
if (align)
*align = layout->record_align / BITS_PER_UNIT;
if (type)
*type = layout->prev_type;
}
#endif /* __NEXT_RUNTIME__ */
#endif /* _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_IMPL_H_ */

@ -0,0 +1,97 @@
#ifndef _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_H_
#define _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_H_
#ifdef __NEXT_RUNTIME__
#include "next-abi.h"
#ifdef NEXT_OBJC_USE_NEW_INTERFACE
#include <objc/runtime.h>
typedef void * PMETH;
#else
#include <objc/objc-runtime.h>
typedef struct objc_method * PMETH;
#endif
/* The NeXT headers do not define NULL. */
#ifndef NULL
#define NULL 0
#endif
/* The NeXT runtimes do not include these functions (at least not through
any public API). They are required for the objc/execute/bf-* and bycopy-3. */
/* Not sure why the following are missing from NeXT objc headers... */
#ifndef _C_LNG_LNG
#define _C_LNG_LNG 'q'
#endif
#ifndef _C_ULNG_LNG
#define _C_ULNG_LNG 'Q'
#endif
#ifndef _C_ATOM
#define _C_ATOM '%'
#endif
#ifndef _C_BOOL
#define _C_BOOL 'B'
#endif
#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 '!'
#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
/* Functions available in the GNU runtime, emulated here for testing with NeXT. */
struct objc_struct_layout
{
const char *original_type;
const char *type;
const char *prev_type;
unsigned int record_size;
unsigned int record_align;
};
typedef union arglist {
char *arg_ptr;
char arg_regs[sizeof (char*)];
} *arglist_t; /* argument frame */
void objc_layout_structure_get_info (struct objc_struct_layout *,unsigned int *,
unsigned int *, const char **);
void objc_layout_structure (const char *, struct objc_struct_layout *);
BOOL objc_layout_structure_next_member (struct objc_struct_layout *);
void objc_layout_finish_structure (struct objc_struct_layout *, unsigned int *,
unsigned int *);
int objc_sizeof_type (const char *);
int objc_alignof_type (const char *);
int objc_aligned_size (const char *);
int objc_promoted_size (const char *);
unsigned objc_get_type_qualifiers (const char *);
const char *objc_skip_type_qualifiers (const char *);
const char *objc_skip_typespec (const char *);
const char *objc_skip_offset (const char *);
const char *objc_skip_argspec (const char *);
int method_get_number_of_arguments (PMETH);
int method_get_sizeof_arguments (PMETH);
char *method_get_next_argument (arglist_t , const char **);
char *method_get_first_argument (PMETH, arglist_t, const char **);
char *method_get_nth_argument (PMETH, arglist_t, int, const char **);
#endif /* __NEXT_RUNTIME__ */
#endif /* _OBJC_TEST_SUITE_NEXT_ENCODE_ASSIST_H_ */

@ -1,5 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc-api.h>
#include <objc/objc.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
struct A {
int i;

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
struct A {
int i;

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
typedef enum
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,6 +1,4 @@
#import "../../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
#include <objc/objc-api.h>
@interface MyObject
{

@ -1,7 +1,14 @@
#include <stdio.h>
#include <stdlib.h>
#include "../../objc-obj-c++-shared/next-mapping.h"
#ifndef __NEXT_RUNTIME__
#include <objc/encoding.h>
#else
/* The following header, together with the implementation included below,
emulate functionality provided by the GNU runtime but not available from
the NeXT runtime. */
#include "../../objc-obj-c++-shared/objc-test-suite-next-encode-assist.h"
#define objc_get_class(C) objc_getClass(C)
#endif
void print_ivars (Class class)
@ -63,7 +70,6 @@ int main ()
};
int size1, size2;
Class class = objc_get_class ("MyObject");
printf ("type = %s\n", @encode (struct class_vars));
print_ivars (class);
@ -77,3 +83,5 @@ int main ()
exit (0);
}
#include "../../objc-obj-c++-shared/objc-test-suite-next-encode-assist-impl.h"

@ -9,8 +9,10 @@
* interfere with what we are testing, which is that the `bycopy'
* keyword generates the _F_BYCOPY qualifier for the return type. */
#include "../../objc-obj-c++-shared/next-mapping.h"
#include "../../objc-obj-c++-shared/Protocol1.h"
extern void exit (int) __attribute__ ((noreturn));
extern int printf (const char *, ...);
#include <objc/Protocol.h>
#ifndef __NEXT_RUNTIME__
#include <objc/encoding.h>
@ -31,6 +33,11 @@
}
@end
/* The following header, together with the implementation included below,
emulate functionality provided by the GNU runtime but not available from
the NeXT runtime. */
#include "../../objc-obj-c++-shared/objc-test-suite-next-encode-assist.h"
int main (void)
{
struct objc_method_description *method;
@ -69,3 +76,28 @@ int main (void)
/* Else, happy end */
return 0;
}
#ifdef __NEXT_RUNTIME__
unsigned
objc_get_type_qualifiers (const char *type)
{
unsigned res = 0;
BOOL flag = YES;
while (flag)
switch (*type++)
{
case _C_CONST: res |= _F_CONST; break;
case _C_IN: res |= _F_IN; break;
case _C_INOUT: res |= _F_INOUT; break;
case _C_OUT: res |= _F_OUT; break;
case _C_BYCOPY: res |= _F_BYCOPY; break;
case _C_BYREF: res |= _F_BYREF; break;
case _C_ONEWAY: res |= _F_ONEWAY; break;
case _C_GCINVISIBLE: res |= _F_GCINVISIBLE; break;
default: flag = NO;
}
return res;
}
#endif