2010-09-11 14:38:56 +02:00
|
|
|
/* This structure used to be public, but is now private to the runtime. */
|
2010-10-12 04:43:25 +02:00
|
|
|
#define __objc_STRUCT_OBJC_CLASS_defined
|
2010-09-11 14:38:56 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
** The compiler generates one of these structures for each class.
|
|
|
|
**
|
|
|
|
** This structure is the definition for classes.
|
|
|
|
**
|
|
|
|
** This structure is generated by the compiler in the executable and used by
|
|
|
|
** the run-time during normal messaging operations. Therefore some members
|
|
|
|
** change type. The compiler generates "char* const" and places a string in
|
|
|
|
** the following member variables: super_class.
|
|
|
|
*/
|
|
|
|
struct objc_class {
|
|
|
|
MetaClass class_pointer; /* Pointer to the class's
|
|
|
|
meta class. */
|
|
|
|
struct objc_class* super_class; /* Pointer to the super
|
|
|
|
class. NULL for class
|
|
|
|
Object. */
|
|
|
|
const char* name; /* Name of the class. */
|
|
|
|
long version; /* Unknown. */
|
|
|
|
unsigned long info; /* Bit mask. See class masks
|
|
|
|
defined above. */
|
|
|
|
long instance_size; /* Size in bytes of the class.
|
|
|
|
The sum of the class
|
|
|
|
definition and all super
|
|
|
|
class definitions. */
|
2010-09-30 11:01:19 +02:00
|
|
|
#ifdef _WIN64
|
|
|
|
/* We pad the structure manually to prevent warning when -Wpadded
|
|
|
|
is used. The compiler automatically pads the structures that it
|
|
|
|
generates, so this manually padded structure still matches the one
|
|
|
|
generated by the compiler, but if we don't pad manually, -Wpadded
|
|
|
|
detects that padding is being added and generates annoying warnings.
|
|
|
|
This hack is necessary as on LLP64 targets sizeof (long) isn't equal
|
|
|
|
to sizeof (void *). */
|
|
|
|
long pad;
|
|
|
|
#endif
|
2010-09-11 14:38:56 +02:00
|
|
|
struct objc_ivar_list* ivars; /* Pointer to a structure that
|
|
|
|
describes the instance
|
|
|
|
variables in the class
|
|
|
|
definition. NULL indicates
|
|
|
|
no instance variables. Does
|
|
|
|
not include super class
|
|
|
|
variables. */
|
|
|
|
struct objc_method_list* methods; /* Linked list of instance
|
|
|
|
methods defined for the
|
|
|
|
class. */
|
|
|
|
struct sarray * dtable; /* Pointer to instance
|
|
|
|
method dispatch table. */
|
|
|
|
struct objc_class* subclass_list; /* Subclasses */
|
|
|
|
struct objc_class* sibling_class;
|
|
|
|
|
|
|
|
struct objc_protocol_list *protocols; /* Protocols conformed to */
|
|
|
|
void* gc_object_type;
|
|
|
|
};
|
2010-09-30 11:01:19 +02:00
|
|
|
|