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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
size_t alignofEncoding(const char **type, size_t *length);
size_t sizeofEncoding(const char **type, size_t *length);
size_t
alignofArray(const char **type, size_t *length)
{
size_t align;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && isdigit(**type)) {
(*type)++;
(*length)--;
}
align = alignofEncoding(type, length);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
size_t alignofEncoding(const char **type, size_t *length, bool inStruct);
size_t sizeofEncoding(const char **type, size_t *length);
size_t
alignofArray(const char **type, size_t *length)
{
size_t align;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && isdigit(**type)) {
(*type)++;
(*length)--;
}
align = alignofEncoding(type, length, true);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
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@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != '}') {
size_t fieldAlign = alignofEncoding(type, length);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
first = false;
#endif
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@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != '}') {
size_t fieldAlign = alignofEncoding(type, length, true);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
first = false;
#endif
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@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != ')') {
size_t fieldAlign = alignofEncoding(type, length);
if (fieldAlign > align)
align = fieldAlign;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
}
size_t
alignofEncoding(const char **type, size_t *length)
{
size_t align;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
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@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != ')') {
size_t fieldAlign = alignofEncoding(type, length, true);
if (fieldAlign > align)
align = fieldAlign;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
}
size_t
alignofEncoding(const char **type, size_t *length, bool inStruct)
{
size_t align;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
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break;
case 'l':
case 'L':
align = OF_ALIGNOF(long);
break;
case 'q':
case 'Q':
align = OF_ALIGNOF(long long);
break;
#ifdef __SIZEOF_INT128__
case 't':
case 'T':
align = __extension__ OF_ALIGNOF(__int128);
break;
#endif
case 'f':
align = OF_ALIGNOF(float);
break;
case 'd':
align = OF_ALIGNOF(double);
break;
case 'D':
align = OF_ALIGNOF(long double);
break;
case 'B':
align = OF_ALIGNOF(_Bool);
break;
case 'v':
align = 0;
break;
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break;
case 'l':
case 'L':
align = OF_ALIGNOF(long);
break;
case 'q':
case 'Q':
#ifdef OF_X86
if (inStruct)
align = 4;
else
#endif
align = OF_ALIGNOF(long long);
break;
#ifdef __SIZEOF_INT128__
case 't':
case 'T':
align = __extension__ OF_ALIGNOF(__int128);
break;
#endif
case 'f':
align = OF_ALIGNOF(float);
break;
case 'd':
#ifdef OF_X86
if (inStruct)
align = 4;
else
#endif
align = OF_ALIGNOF(double);
break;
case 'D':
#ifdef OF_X86
if (inStruct)
align = 4;
else
#endif
align = OF_ALIGNOF(long double);
break;
case 'B':
align = OF_ALIGNOF(_Bool);
break;
case 'v':
align = 0;
break;
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return alignofStruct(type, length);
case '(':
return alignofUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
alignofEncoding(type, length);
return OF_ALIGNOF(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
if (*length == 0)
@throw [OFInvalidFormatException exception];
switch (**type) {
case 'f':
align = OF_ALIGNOF(float _Complex);
break;
case 'd':
align = OF_ALIGNOF(double _Complex);
break;
case 'D':
align = OF_ALIGNOF(long double _Complex);
break;
default:
@throw [OFInvalidFormatException exception];
}
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return alignofStruct(type, length);
case '(':
return alignofUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
alignofEncoding(type, length, false);
return OF_ALIGNOF(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
if (*length == 0)
@throw [OFInvalidFormatException exception];
switch (**type) {
case 'f':
align = OF_ALIGNOF(float _Complex);
break;
case 'd':
# ifdef OF_X86
if (inStruct)
align = 4;
else
#endif
align = OF_ALIGNOF(double _Complex);
break;
case 'D':
align = OF_ALIGNOF(long double _Complex);
break;
default:
@throw [OFInvalidFormatException exception];
}
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while (*length > 0 && **type != '}') {
size_t fieldSize, fieldAlign;
typeCopy = *type;
lengthCopy = *length;
fieldSize = sizeofEncoding(type, length);
fieldAlign = alignofEncoding(&typeCopy, &lengthCopy);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
first = false;
#endif
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while (*length > 0 && **type != '}') {
size_t fieldSize, fieldAlign;
typeCopy = *type;
lengthCopy = *length;
fieldSize = sizeofEncoding(type, length);
fieldAlign = alignofEncoding(&typeCopy, &lengthCopy, true);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
first = false;
#endif
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return ret;
}
size_t
of_alignof_type_encoding(const char *type)
{
size_t length = strlen(type);
size_t ret = alignofEncoding(&type, &length);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
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return ret;
}
size_t
of_alignof_type_encoding(const char *type)
{
size_t length = strlen(type);
size_t ret = alignofEncoding(&type, &length, false);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
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