Differences From Artifact [ffdb3bc597]:
- File
src/OFObject.m
— part of check-in
[3273f141b3]
at
2011-02-10 20:41:51
on branch trunk
— More work on the PSP port.
Outputting text now works - with colours! (user: js, size: 18264) [annotate] [blame] [check-ins using]
To Artifact [a76c510128]:
- File
src/OFObject.m
— part of check-in
[894658f979]
at
2011-03-10 19:54:52
on branch trunk
— Call C++ constructors and destructors.
However, this only works with Apple GCC and Clang, but does not hurt
if unsupported. Therefore, no check for compiler support is needed. (user: js, size: 19440) [annotate] [blame] [check-ins using]
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#endif
/* A few macros to reduce #ifdefs */
#ifdef OF_OLD_GNU_RUNTIME
# define class_getInstanceSize class_get_instance_size
# define class_getName class_get_class_name
# define class_getSuperclass class_get_super_class
#endif
struct pre_ivar {
void **memchunks;
size_t memchunks_size;
int32_t retain_count;
#if !defined(OF_ATOMIC_OPS)
of_spinlock_t retain_spinlock;
#endif
};
/* Hopefully no arch needs more than 16 bytes padding */
#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + 15) & ~15)
#define PRE_IVAR ((struct pre_ivar*)((char*)self - PRE_IVAR_ALIGN))
static struct {
Class isa;
} alloc_failed_exception;
static Class autoreleasepool = Nil;
size_t of_pagesize;
#ifdef NEED_OBJC_SYNC_INIT
extern BOOL objc_sync_init();
#endif
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#endif
/* A few macros to reduce #ifdefs */
#ifdef OF_OLD_GNU_RUNTIME
# define class_getInstanceSize class_get_instance_size
# define class_getName class_get_class_name
# define class_getSuperclass class_get_super_class
# define sel_registerName sel_get_uid
#endif
struct pre_ivar {
void **memchunks;
size_t memchunks_size;
int32_t retain_count;
#if !defined(OF_ATOMIC_OPS)
of_spinlock_t retain_spinlock;
#endif
};
/* Hopefully no arch needs more than 16 bytes padding */
#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + 15) & ~15)
#define PRE_IVAR ((struct pre_ivar*)((char*)self - PRE_IVAR_ALIGN))
static struct {
Class isa;
} alloc_failed_exception;
static Class autoreleasepool = Nil;
static SEL cxx_construct = NULL;
static SEL cxx_destruct = NULL;
size_t of_pagesize;
#ifdef NEED_OBJC_SYNC_INIT
extern BOOL objc_sync_init();
#endif
|
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115 116 117 118 119 120 121 122 123 124 125 126 127 128 | abort(); } #endif #if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME) objc_setEnumerationMutationHandler(enumeration_mutation_handler); #endif #if defined(_WIN32) SYSTEM_INFO si; GetSystemInfo(&si); of_pagesize = si.dwPageSize; #elif defined(_PSP) of_pagesize = 4096; | > > > > > > > > > | 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 |
abort();
}
#endif
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
objc_setEnumerationMutationHandler(enumeration_mutation_handler);
#endif
cxx_construct = sel_registerName(".cxx_construct");
cxx_destruct = sel_registerName(".cxx_destruct");
if (cxx_construct == NULL || cxx_destruct == NULL) {
fputs("Runtime error: Failed to register selector "
".cxx_construct and/or .cxx_destruct!\n", stderr);
abort();
}
#if defined(_WIN32)
SYSTEM_INFO si;
GetSystemInfo(&si);
of_pagesize = si.dwPageSize;
#elif defined(_PSP)
of_pagesize = 4096;
|
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{
}
+ alloc
{
OFObject *instance;
size_t isize = class_getInstanceSize(self);
if ((instance = malloc(isize + PRE_IVAR_ALIGN)) == NULL) {
alloc_failed_exception.isa = [OFAllocFailedException class];
@throw (OFAllocFailedException*)&alloc_failed_exception;
}
((struct pre_ivar*)instance)->memchunks = NULL;
((struct pre_ivar*)instance)->memchunks_size = 0;
((struct pre_ivar*)instance)->retain_count = 1;
#if !defined(OF_ATOMIC_OPS)
if (!of_spinlock_new(&((struct pre_ivar*)instance)->retain_spinlock)) {
free(instance);
@throw [OFInitializationFailedException newWithClass: self];
}
#endif
instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);
memset(instance, 0, isize);
instance->isa = self;
return instance;
}
+ (Class)class
{
return self;
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{
}
+ alloc
{
OFObject *instance;
size_t isize = class_getInstanceSize(self);
Class class;
void (*last)(id, SEL) = NULL;
if ((instance = malloc(isize + PRE_IVAR_ALIGN)) == NULL) {
alloc_failed_exception.isa = [OFAllocFailedException class];
@throw (OFAllocFailedException*)&alloc_failed_exception;
}
((struct pre_ivar*)instance)->memchunks = NULL;
((struct pre_ivar*)instance)->memchunks_size = 0;
((struct pre_ivar*)instance)->retain_count = 1;
#if !defined(OF_ATOMIC_OPS)
if (!of_spinlock_new(&((struct pre_ivar*)instance)->retain_spinlock)) {
free(instance);
@throw [OFInitializationFailedException newWithClass: self];
}
#endif
instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);
memset(instance, 0, isize);
instance->isa = self;
for (class = self; class != Nil; class = class_getSuperclass(class)) {
void (*construct)(id, SEL);
if ([class instancesRespondToSelector: cxx_construct]) {
if ((construct = (void(*)(id, SEL))[class
instanceMethodForSelector: cxx_construct]) != last)
construct(instance, cxx_construct);
last = construct;
} else
break;
}
return instance;
}
+ (Class)class
{
return self;
|
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[autoreleasepool addObject: self];
return self;
}
- (void)dealloc
{
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[autoreleasepool addObject: self];
return self;
}
- (void)dealloc
{
Class class;
void (*last)(id, SEL) = NULL;
void **iter;
for (class = isa; class != Nil; class = class_getSuperclass(class)) {
void (*destruct)(id, SEL);
if ([class instancesRespondToSelector: cxx_destruct]) {
if ((destruct = (void(*)(id, SEL))[class
instanceMethodForSelector: cxx_destruct]) != last)
destruct(self, cxx_destruct);
last = destruct;
} else
break;
}
iter = PRE_IVAR->memchunks + PRE_IVAR->memchunks_size;
while (iter-- > PRE_IVAR->memchunks)
free(*iter);
if (PRE_IVAR->memchunks != NULL)
free(PRE_IVAR->memchunks);
free((char*)self - PRE_IVAR_ALIGN);
|
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