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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
static size_t alignofEncoding(const char **type, size_t *length, bool inStruct);
static size_t sizeofEncoding(const char **type, size_t *length);
static size_t
alignofArray(const char **type, size_t *length)
{
size_t align;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && OFASCIIIsDigit(**type)) {
(*type)++;
(*length)--;
}
align = alignofEncoding(type, length, true);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
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>
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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
static size_t alignmentOfEncoding(const char **type, size_t *length,
bool inStruct);
static size_t sizeOfEncoding(const char **type, size_t *length);
static size_t
alignofArray(const char **type, size_t *length)
{
size_t align;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && OFASCIIIsDigit(**type)) {
(*type)++;
(*length)--;
}
align = alignmentOfEncoding(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, 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 = alignmentOfEncoding(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, true);
if (fieldAlign > align)
align = fieldAlign;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
}
static 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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@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != ')') {
size_t fieldAlign = alignmentOfEncoding(type, length, true);
if (fieldAlign > align)
align = fieldAlign;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
}
static size_t
alignmentOfEncoding(const char **type, size_t *length, bool inStruct)
{
size_t align;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
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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)--;
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return alignofStruct(type, length);
case '(':
return alignofUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
alignmentOfEncoding(type, length, false);
return OF_ALIGNOF(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
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(*type)++;
(*length)--;
}
if (count == 0)
@throw [OFInvalidFormatException exception];
size = sizeofEncoding(type, length);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
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(*type)++;
(*length)--;
}
if (count == 0)
@throw [OFInvalidFormatException exception];
size = sizeOfEncoding(type, length);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
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(*length)--;
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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(*length)--;
while (*length > 0 && **type != '}') {
size_t fieldSize, fieldAlign;
typeCopy = *type;
lengthCopy = *length;
fieldSize = sizeOfEncoding(type, length);
fieldAlign = alignmentOfEncoding(&typeCopy, &lengthCopy, 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 fieldSize = sizeofEncoding(type, length);
if (fieldSize > size)
size = fieldSize;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return size;
}
static size_t
sizeofEncoding(const char **type, size_t *length)
{
size_t size;
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 fieldSize = sizeOfEncoding(type, length);
if (fieldSize > size)
size = fieldSize;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return size;
}
static size_t
sizeOfEncoding(const char **type, size_t *length)
{
size_t size;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
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return sizeofStruct(type, length);
case '(':
return sizeofUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
sizeofEncoding(type, length);
return sizeof(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
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return sizeofStruct(type, length);
case '(':
return sizeofUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
sizeOfEncoding(type, length);
return sizeof(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
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(*type)++;
(*length)--;
return size;
}
size_t
of_sizeof_type_encoding(const char *type)
size_t ret = sizeofEncoding(&type, &length);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
size_t
of_alignof_type_encoding(const char *type)
size_t ret = alignofEncoding(&type, &length, false);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
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(*type)++;
(*length)--;
return size;
}
size_t
OFSizeOfTypeEncoding(const char *type)
{
size_t length = strlen(type);
size_t ret = sizeOfEncoding(&type, &length);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
size_t
OFAlignmentOfTypeEncoding(const char *type)
{
size_t length = strlen(type);
size_t ret = alignmentOfEncoding(&type, &length, false);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
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