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Commit 1c26a84d authored by dennisg's avatar dennisg
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changed the defs for class structures for new implementation of run-time. 

changed def of SEL back to its original type.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61 138bc75d-0d04-0410-961f-82ee72b054a4
parent 94ab4c02
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gcc/objc/objc.h
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......@@ -19,10 +19,13 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
$Header: /usr/user/dennis_glatting/ObjC/c-runtime/include/RCS/ObjC.h,v 0.1 1991/10/24 00:19:24 dennisg Exp dennisg $
$Header: /usr/user/dennis_glatting/ObjC/c-runtime/include/RCS/ObjC.h,v 0.2 1991/11/07 22:31:42 dennisg Exp dennisg $
$Author: dennisg $
$Date: 1991/10/24 00:19:24 $
$Date: 1991/11/07 22:31:42 $
$Log: ObjC.h,v $
* Revision 0.2 1991/11/07 22:31:42 dennisg
* added copyleft.
*
* Revision 0.1 1991/10/24 00:19:24 dennisg
* Initial check in. Preliminary development stage.
*
......@@ -53,12 +56,18 @@ typedef char BOOL;
#define YES (BOOL)1
#define NO (BOOL)0
/* Defination of a
/* Definition of a
selector. Selectors are
really of type char*. The
run-time uses strcmp() to
locate selectors. */
typedef STR SEL;
run-time hashes the
string's address to locate
the method. If the method
isn't in the hash table then
a search is made through the
class hierarchy using
strcmp() to locate the
method. */
typedef struct objc_selector* SEL;
/* ObjC uses this typedef
for untyped instances. */
......@@ -68,11 +77,7 @@ typedef struct objc_object {
/* Prototype for method
functions. */
typedef id ( *IMP )(
#ifdef __STDC__
id, SEL, ...
#endif
);
typedef id ( *IMP )( id, SEL, ... );
/* Filer types used to
describe Ivars and
......@@ -163,10 +168,8 @@ typedef struct objc_symtab {
* module structure of the executable.
*/
typedef struct objc_module {
u_long version; /* Unknown. */
u_long size; /* Suspect this is
sizeof(Module). It is always
16. */
u_long version; /* Compiler revision. */
u_long size; /* sizeof(Module). */
char* name; /* Name of the file where the
module was generated. The
name includes the path. */
......@@ -250,25 +253,27 @@ typedef struct objc_method_list {
*
* This structure is generated by the compiler in the
* executable and used by the run-time during normal
* messaging operations. Therefore some definitions
* don't make sense in some contexts.
* messaging operations. Therefore some members
* change type.
* The compiler generates "char* const" and places a string
* in the following member variables: isa and super_class.
*/
typedef struct objc_metaClass {
char* isa; /* Always a pointer to the
string "Object". */
char* super_class; /* Name of the class's super
class. */
char* name; /* Name of the meta class. */
long version; /* Unknown. */
long info; /* Bit mask. See class masks
struct objc_metaClass* isa; /* Pointer to Object meta
class. */
struct objc_metaClass* super_class; /* Pointer to meta class's
super meta class. */
char* name; /* Name of the meta class. */
long version; /* Unknown. */
long info; /* Bit mask. See class masks
defined above. */
long instance_size; /* Always 0 except for Object.
long instance_size; /* Always 0 except for Object.
Should be ignored. */
IvarList_t ivars; /* Always NULL except for
IvarList_t ivars; /* Always NULL except for
Object. Should be ignored. */
MethodList_t methods; /* Linked List of factory methods
MethodList_t methods; /* Linked List of factory methods
for the class. */
Cache_t cache; /* Used to cache factory methods
Cache_t cache; /* Used to cache factory methods
defined for the class and its
super classes. Entries are
made to the cache as the
......@@ -284,33 +289,35 @@ typedef struct objc_metaClass {
*
* This structure is generated by the compiler in the
* executable and used by the run-time during normal
* messaging operations. Therefore some definitions
* don't make sense in some contexts.
* messaging operations. Therefore some members
* change type.
* The compiler generates "char* const" and places a string
* in the following member variables: super_class.
*/
typedef struct objc_class {
MetaClass_t isa; /* Pointer to the class's
MetaClass_t isa; /* Pointer to the class's
meta class. */
char* super_class; /* Name of the class's super
class. */
char* name; /* Name of the class. */
long version; /* Unknown. */
long info; /* Bit mask. See class masks
struct objc_class* super_class; /* Pointer to the super
class. */
char* name; /* Name of the class. */
long version; /* Unknown. */
long info; /* Bit mask. See class masks
defined above. */
long instance_size; /* Size in bytes of the class.
long instance_size; /* Size in bytes of the class.
The sum of the class definition
and all super class
definitions. */
IvarList_t ivars; /* Pointer to a structure that
IvarList_t 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. */
MethodList_t methods; /* Linked list of instance
MethodList_t methods; /* Linked list of instance
methods defined for the
class. */
Cache_t cache; /* Used to cache instance methods
Cache_t cache; /* Used to cache instance methods
defined for the class and its
super classes. Entries are
made to the cache as the
......
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