Deleted index variable stuff. Index variables are a hack to the language.
Cleaned up some documentation. From-SVN: r149
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Dennis Glatting
parent
77c9c6c203
commit
94b8bab1ea
142
gcc/objc/objc.h
142
gcc/objc/objc.h
@ -19,10 +19,13 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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$Header: /usr/user/dennis_glatting/ObjC/c-runtime/include/RCS/ObjC.h,v 0.8 1991/12/01 01:29:29 dennisg Exp dennisg $
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$Header: /usr/user/dennis_glatting/ObjC/c-runtime/include/RCS/ObjC.h,v 0.9 1991/12/10 12:04:22 dennisg Exp dennisg $
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$Author: dennisg $
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$Date: 1991/12/01 01:29:29 $
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$Date: 1991/12/10 12:04:22 $
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$Log: ObjC.h,v $
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* Revision 0.9 1991/12/10 12:04:22 dennisg
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* Cleaned up file format for a distribution.
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*
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* Revision 0.8 1991/12/01 01:29:29 dennisg
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* modified to remove changes previously made to
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* implement posing. posing just got easy.
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@ -134,10 +137,9 @@ typedef id ( *IMP )( id, SEL, ... );
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#define _C_STRUCT_B '{'
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#define _C_STRUCT_E '}'
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/*
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* These definitions are masks used with
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* the "info" member variable in the class and
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* meta class structures.
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/*
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* These definitions are masks used with the "info" member variable in the
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* class and meta class structures.
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*/
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#define CLS_CLASS 0x1L /* The structure is of type
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class (Class_t). */
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@ -156,13 +158,13 @@ typedef id ( *IMP )( id, SEL, ... );
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extern BOOL objc_trace;
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/*
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* Whereas a Module (defined further down) is the
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* root (typically) of a file, a Symtab is the root of the
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* class and category definitions within the module.
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/*
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* Whereas a Module (defined further down) is the root (typically) of a file,
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* a Symtab is the root of the class and category definitions within the
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* module.
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*
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* A Symtab contains a variable length array of pointers
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* to classes and categories defined in the module.
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* A Symtab contains a variable length array of pointers to classes and
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* categories defined in the module.
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*/
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typedef struct objc_symtab {
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u_long sel_ref_cnt; /* Unknown. */
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@ -179,16 +181,14 @@ typedef struct objc_symtab {
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} Symtab, *Symtab_t;
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/*
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* The compiler generates one of these structures for each
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* module that composes the executable (eg main.m).
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/*
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* The compiler generates one of these structures for each module that
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* composes the executable (eg main.m).
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*
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* This data structure is the root of the definition tree
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* for the module.
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* This data structure is the root of the definition tree for the module.
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*
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* A collect program runs between ld stages and creates
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* a ObjC ctor array. That array holds a pointer to each
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* module structure of the executable.
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* A collect program runs between ld stages and creates a ObjC ctor array.
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* That array holds a pointer to each module structure of the executable.
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*/
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typedef struct objc_module {
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u_long version; /* Compiler revision. */
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@ -204,10 +204,9 @@ typedef struct objc_module {
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} Module, *Module_t;
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/*
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* The compiler generates one of these structures for a
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* class that has instance variables defined in its
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* specification.
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/*
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* The compiler generates one of these structures for a class that has
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* instance variables defined in its specification.
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*/
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typedef struct objc_ivar* Ivar_t;
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typedef struct objc_ivar_list {
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@ -232,13 +231,13 @@ typedef struct objc_ivar_list {
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} IvarList, *IvarList_t;
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/*
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* The compiler generates one (or more) of these structures
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* for a class that has methods defined in its specification.
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/*
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* The compiler generates one (or more) of these structures for a class that
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* has methods defined in its specification.
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*
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* The implementation of a class can be broken into separate
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* pieces in a file and categories can break them across modules.
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* To handle this problem is a singly linked list of methods.
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* The implementation of a class can be broken into separate pieces in a file
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* and categories can break them across modules. To handle this problem is a
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* singly linked list of methods.
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*/
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typedef struct objc_method Method;
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typedef Method* Method_t;
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@ -266,20 +265,16 @@ typedef struct objc_method_list {
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/*
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* The compiler generates one of these structures for
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* each class.
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* The compiler generates one of these structures for each class.
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*
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* This structure is the definition for meta classes.
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* By definition a meta class is the class's class. Its
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* most relevant contribution is that its method list
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* contain the class's factory methods.
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*
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* This structure is generated by the compiler in the
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* executable and used by the run-time during normal
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* messaging operations. Therefore some members
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* change type.
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* The compiler generates "char* const" and places a string
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* in the following member variables: isa and super_class.
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* This structure is the definition for meta classes. By definition a meta
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* class is the class's class. Its most relevant contribution is that its
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* method list contain the class's factory methods.
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*
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* This structure is generated by the compiler in the executable and used by
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* the run-time during normal messaging operations. Therefore some members
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* change type. The compiler generates "char* const" and places a string in
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* the following member variables: isa and super_class.
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*/
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typedef struct objc_metaClass {
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struct objc_metaClass* isa; /* Pointer to Object meta
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@ -306,17 +301,14 @@ typedef struct objc_metaClass {
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/*
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* The compiler generates one of these structures for
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* each class.
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* The compiler generates one of these structures for each class.
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*
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* This structure is the definition for classes.
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*
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* This structure is generated by the compiler in the
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* executable and used by the run-time during normal
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* messaging operations. Therefore some members
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* change type.
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* The compiler generates "char* const" and places a string
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* in the following member variables: super_class.
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* This structure is the definition for classes.
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*
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* This structure is generated by the compiler in the executable and used by
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* the run-time during normal messaging operations. Therefore some members
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* change type. The compiler generates "char* const" and places a string in
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* the following member variables: super_class.
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*/
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typedef struct objc_class {
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MetaClass_t isa; /* Pointer to the class's
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@ -351,10 +343,8 @@ typedef struct objc_class {
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/*
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* The compiler generates one of these structures
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* for each category. A class may have many
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* categories and contain both instance and
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* factory methods.
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* The compiler generates one of these structures for each category. A class
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* may have many categories and contain both instance and factory methods.
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*/
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typedef struct objc_category {
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const char* category_name; /* Name of the category. Name
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@ -373,10 +363,10 @@ typedef struct objc_category {
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} Category, *Category_t;
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/*
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* Structure used when a message is send to a class's
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* super class. The compiler generates one of these
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* structures and passes it to objc_msgSuper().
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/*
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* Structure used when a message is send to a class's super class. The
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* compiler generates one of these structures and passes it to
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* objc_msgSuper().
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*/
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typedef struct objc_super {
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id receiver; /* Id of the object sending
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@ -385,33 +375,31 @@ typedef struct objc_super {
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} Super, *Super_t;
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/*
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* _alloc points to the function, called through
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* class_createInstance(), used to allocate memory for
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* new instances.
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* _alloc points to the function, called through class_createInstance(), used
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* to allocate memory for new instances.
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*/
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extern id (*_alloc)(Class_t aClass, u_int indexedIvarBytes);
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extern id (*_alloc)(Class_t aClass);
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/*
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* _dealloc points to the function, called
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* through object_dispose(), used to free instances.
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* _dealloc points to the function, called through object_dispose(), used to
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* free instances.
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*/
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extern id (*_dealloc)(id aObject);
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/*
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* _realloc points to the function, called through
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* object_realloc(), used to reallocate memory for an object
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* _realloc points to the function, called through object_realloc(), used to
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* reallocate memory for an object
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*/
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extern id (*_realloc)(id aObject, u_int numBytes);
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extern id (*_realloc)(id aObject, u_int newSize);
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/*
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* _copy points to the function, called through
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* object_copy(), used to create an exact copy of an object.
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* _copy points to the function, called through object_copy(), used to create
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* an exact copy of an object.
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*/
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extern id (*_copy)(id aObject, u_int indexedIvarBytes);
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extern id (*_copy)(id aObject);
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/*
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* _error points to the function that the run-time
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* system calls in response to an error. By default,
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* it prints formatted error messages to the standard
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* error stream and calls abort() to produce a core file.
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* _error points to the function that the run-time system calls in response
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* to an error. By default, it prints formatted error messages to the
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* standard error stream and calls abort() to produce a core file.
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*/
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extern void (*_error)(id aObject, const char* fmt, va_list ap);
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