/* GNU Objective C Runtime initialization
- Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1995, 1996, 1997, 2002, 2009
+ Free Software Foundation, Inc.
Contributed by Kresten Krab Thorup
+load support contributed by Ovidiu Predescu <ovidiu@net-community.com>
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify it under the
+GCC is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2, or (at your option) any later version.
+Foundation; either version 3, or (at your option) any later version.
-GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
-You should have received a copy of the GNU General Public License along with
-GNU CC; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
-/* As a special exception, if you link this library with files compiled with
- GCC to produce an executable, this does not cause the resulting executable
- to be covered by the GNU General Public License. This exception does not
- however invalidate any other reasons why the executable file might be
- covered by the GNU General Public License. */
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
-#include "runtime.h"
+#include "objc-private/common.h"
+#include "objc-private/error.h"
+#include "objc/objc.h"
+#include "objc/objc-api.h"
+#include "objc/thr.h"
+#include "objc/hash.h"
+#include "objc/objc-list.h"
+#include "objc-private/runtime.h"
/* The version number of this runtime. This must match the number
- defined in gcc (objc-act.c) */
+ defined in gcc (objc-act.c). */
#define OBJC_VERSION 8
#define PROTOCOL_VERSION 2
-/* This list contains all modules currently loaded into the runtime */
-static struct objc_list* __objc_module_list = 0; /* !T:MUTEX */
+/* This list contains all modules currently loaded into the runtime. */
+static struct objc_list *__objc_module_list = 0; /* !T:MUTEX */
-/* This list contains all proto_list's not yet assigned class links */
-static struct objc_list* unclaimed_proto_list = 0; /* !T:MUTEX */
+/* This list contains all proto_list's not yet assigned class links. */
+static struct objc_list *unclaimed_proto_list = 0; /* !T:MUTEX */
/* List of unresolved static instances. */
static struct objc_list *uninitialized_statics = 0; /* !T:MUTEX */
-/* Global runtime "write" mutex. */
+/* Global runtime "write" mutex. */
objc_mutex_t __objc_runtime_mutex = 0;
-/* Number of threads that are alive. */
+/* Number of threads that are alive. */
int __objc_runtime_threads_alive = 1; /* !T:MUTEX */
-/* Check compiler vs runtime version */
+/* Check compiler vs runtime version. */
static void init_check_module_version (Module_t);
-/* Assign isa links to protos */
-static void __objc_init_protocols (struct objc_protocol_list* protos);
+/* Assign isa links to protos. */
+static void __objc_init_protocols (struct objc_protocol_list *protos);
-/* Add protocol to class */
-static void __objc_class_add_protocols (Class, struct objc_protocol_list*);
+/* Add protocol to class. */
+static void __objc_class_add_protocols (Class, struct objc_protocol_list *);
-/* This is a hook which is called by __objc_exec_class every time a class
- or a category is loaded into the runtime. This may e.g. help a
- dynamic loader determine the classes that have been loaded when
- an object file is dynamically linked in */
-void (*_objc_load_callback)(Class class, Category* category); /* !T:SAFE */
+/* This is a hook which is called by __objc_exec_class every time a
+ class or a category is loaded into the runtime. This may e.g. help
+ a dynamic loader determine the classes that have been loaded when
+ an object file is dynamically linked in. */
+void (*_objc_load_callback) (Class class, Category *category); /* !T:SAFE */
-/* Is all categories/classes resolved? */
+/* Is all categories/classes resolved? */
BOOL __objc_dangling_categories = NO; /* !T:UNUSED */
extern SEL
__sel_register_typed_name (const char *name, const char *types,
struct objc_selector *orig, BOOL is_const);
-/* Sends +load to all classes and categories in certain situations. */
+/* Sends +load to all classes and categories in certain situations. */
static void objc_send_load (void);
/* Inserts all the classes defined in module in a tree of classes that
- resembles the class hierarchy. This tree is traversed in preorder and the
- classes in its nodes receive the +load message if these methods were not
- executed before. The algorithm ensures that when the +load method of a class
- is executed all the superclasses have been already received the +load
- message. */
+ resembles the class hierarchy. This tree is traversed in preorder
+ and the classes in its nodes receive the +load message if these
+ methods were not executed before. The algorithm ensures that when
+ the +load method of a class is executed all the superclasses have
+ been already received the +load message. */
static void __objc_create_classes_tree (Module_t module);
static void __objc_call_callback (Module_t module);
/* A special version that works only before the classes are completely
- installed in the runtime. */
+ installed in the runtime. */
static BOOL class_is_subclass_of_class (Class class, Class superclass);
typedef struct objc_class_tree {
struct objc_list *subclasses; /* `head' is pointer to an objc_class_tree */
} objc_class_tree;
-/* This is a linked list of objc_class_tree trees. The head of these trees
- are root classes (their super class is Nil). These different trees
- represent different class hierarchies. */
+/* This is a linked list of objc_class_tree trees. The head of these
+ trees are root classes (their super class is Nil). These different
+ trees represent different class hierarchies. */
static struct objc_list *__objc_class_tree_list = NULL;
-/* Keeps the +load methods who have been already executed. This hash should
- not be destroyed during the execution of the program. */
+/* Keeps the +load methods who have been already executed. This hash
+ should not be destroyed during the execution of the program. */
static cache_ptr __objc_load_methods = NULL;
-/* Creates a tree of classes whose topmost class is directly inherited from
- `upper' and the bottom class in this tree is `bottom_class'. The classes
- in this tree are super classes of `bottom_class'. `subclasses' member
- of each tree node point to the next subclass tree node. */
+/* This function is used when building the class tree used to send
+ ordinately the +load message to all classes needing it. The tree
+ is really needed so that superclasses will get the message before
+ subclasses.
+
+ This tree will contain classes which are being loaded (or have just
+ being loaded), and whose super_class pointers have not yet been
+ resolved. This implies that their super_class pointers point to a
+ string with the name of the superclass; when the first message is
+ sent to the class (/an object of that class) the class links will
+ be resolved, which will replace the super_class pointers with
+ pointers to the actual superclasses.
+
+ Unfortunately, the tree might also contain classes which had been
+ loaded previously, and whose class links have already been
+ resolved.
+
+ This function returns the superclass of a class in both cases, and
+ can be used to build the determine the class relationships while
+ building the tree.
+*/
+static Class class_superclass_of_class (Class class)
+{
+ char *super_class_name;
+
+ /* If the class links have been resolved, use the resolved
+ * links. */
+ if (CLS_ISRESOLV (class))
+ return class->super_class;
+
+ /* Else, 'class' has not yet been resolved. This means that its
+ * super_class pointer is really the name of the super class (rather
+ * than a pointer to the actual superclass). */
+ super_class_name = (char *)class->super_class;
+
+ /* Return Nil for a root class. */
+ if (super_class_name == NULL)
+ return Nil;
+
+ /* Lookup the superclass of non-root classes. */
+ return objc_lookup_class (super_class_name);
+}
+
+
+/* Creates a tree of classes whose topmost class is directly inherited
+ from `upper' and the bottom class in this tree is
+ `bottom_class'. The classes in this tree are super classes of
+ `bottom_class'. `subclasses' member of each tree node point to the
+ next subclass tree node. */
+
static objc_class_tree *
create_tree_of_subclasses_inherited_from (Class bottom_class, Class upper)
{
Class superclass = bottom_class->super_class ?
- objc_lookup_class ((char*)bottom_class->super_class)
+ objc_lookup_class ((char *) bottom_class->super_class)
: Nil;
objc_class_tree *tree, *prev;
tree = objc_calloc (1, sizeof (objc_class_tree));
tree->class = superclass;
tree->subclasses = list_cons (prev, tree->subclasses);
- superclass = (superclass->super_class ?
- objc_lookup_class ((char*)superclass->super_class)
- : Nil);
+ superclass = class_superclass_of_class (superclass);
prev = tree;
}
return tree;
}
-/* Insert the `class' into the proper place in the `tree' class hierarchy. This
- function returns a new tree if the class has been successfully inserted into
- the tree or NULL if the class is not part of the classes hierarchy described
- by `tree'. This function is private to objc_tree_insert_class(), you should
- not call it directly. */
+/* Insert the `class' into the proper place in the `tree' class
+ hierarchy. This function returns a new tree if the class has been
+ successfully inserted into the tree or NULL if the class is not
+ part of the classes hierarchy described by `tree'. This function is
+ private to objc_tree_insert_class (), you should not call it
+ directly. */
+
static objc_class_tree *
__objc_tree_insert_class (objc_class_tree *tree, Class class)
{
DEBUG_PRINTF ("1. class %s was previously inserted\n", class->name);
return tree;
}
- else if ((class->super_class ?
- objc_lookup_class ((char*)class->super_class)
- : Nil)
- == tree->class)
+ else if (class_superclass_of_class (class) == tree->class)
{
/* If class is a direct subclass of tree->class then add class to the
list of subclasses. First check to see if it wasn't already
- inserted. */
+ inserted. */
struct objc_list *list = tree->subclasses;
objc_class_tree *node;
while (list)
{
/* Class has been already inserted; do nothing just return
- the tree. */
- if (((objc_class_tree*)list->head)->class == class)
+ the tree. */
+ if (((objc_class_tree *) list->head)->class == class)
{
DEBUG_PRINTF ("2. class %s was previously inserted\n",
class->name);
}
else
{
- /* The class is not a direct subclass of tree->class. Search for class's
- superclasses in the list of subclasses. */
+ /* The class is not a direct subclass of tree->class. Search for
+ class's superclasses in the list of subclasses. */
struct objc_list *subclasses = tree->subclasses;
- /* Precondition: the class must be a subclass of tree->class; otherwise
- return NULL to indicate our caller that it must take the next tree. */
- if (!class_is_subclass_of_class (class, tree->class))
+ /* Precondition: the class must be a subclass of tree->class;
+ otherwise return NULL to indicate our caller that it must
+ take the next tree. */
+ if (! class_is_subclass_of_class (class, tree->class))
return NULL;
for (; subclasses != NULL; subclasses = subclasses->tail)
{
- Class aClass = ((objc_class_tree*)(subclasses->head))->class;
+ Class aClass = ((objc_class_tree *) (subclasses->head))->class;
if (class_is_subclass_of_class (class, aClass))
{
- /* If we found one of class's superclasses we insert the class
- into its subtree and return the original tree since nothing
- has been changed. */
+ /* If we found one of class's superclasses we insert the
+ class into its subtree and return the original tree
+ since nothing has been changed. */
subclasses->head
= __objc_tree_insert_class (subclasses->head, class);
DEBUG_PRINTF ("4. class %s inserted\n", class->name);
}
}
- /* We haven't found a subclass of `class' in the `subclasses' list.
- Create a new tree of classes whose topmost class is a direct subclass
- of tree->class. */
+ /* We haven't found a subclass of `class' in the `subclasses'
+ list. Create a new tree of classes whose topmost class is a
+ direct subclass of tree->class. */
{
objc_class_tree *new_tree
- = create_tree_of_subclasses_inherited_from (class, tree->class);
+ = create_tree_of_subclasses_inherited_from (class, tree->class);
tree->subclasses = list_cons (new_tree, tree->subclasses);
DEBUG_PRINTF ("5. class %s inserted\n", class->name);
return tree;
}
}
-/* This function inserts `class' in the right tree hierarchy classes. */
+/* This function inserts `class' in the right tree hierarchy classes. */
+
static void
objc_tree_insert_class (Class class)
{
list_node = list_node->tail;
}
- /* If the list was finished but the class hasn't been inserted, insert it
- here. */
- if (!list_node)
+ /* If the list was finished but the class hasn't been inserted,
+ insert it here. */
+ if (! list_node)
{
__objc_class_tree_list = list_cons (NULL, __objc_class_tree_list);
__objc_class_tree_list->head = __objc_tree_insert_class (NULL, class);
}
}
-/* Traverse tree in preorder. Used to send +load. */
+/* Traverse tree in preorder. Used to send +load. */
+
static void
objc_preorder_traverse (objc_class_tree *tree,
int level,
- void (*function)(objc_class_tree*, int))
+ void (*function) (objc_class_tree *, int))
{
struct objc_list *node;
objc_preorder_traverse (node->head, level + 1, function);
}
-/* Traverse tree in postorder. Used to destroy a tree. */
+/* Traverse tree in postorder. Used to destroy a tree. */
+
static void
objc_postorder_traverse (objc_class_tree *tree,
- int level,
- void (*function)(objc_class_tree*, int))
+ int level,
+ void (*function) (objc_class_tree *, int))
{
struct objc_list *node;
(*function) (tree, level);
}
-/* Used to print a tree class hierarchy. */
+/* Used to print a tree class hierarchy. */
+
#ifdef DEBUG
static void
__objc_tree_print (objc_class_tree *tree, int level)
}
#endif
-/* Walks on a linked list of methods in the reverse order and executes all
- the methods corresponding to `op' selector. Walking in the reverse order
- assures the +load of class is executed first and then +load of categories
- because of the way in which categories are added to the class methods. */
+/* Walks on a linked list of methods in the reverse order and executes
+ all the methods corresponding to `op' selector. Walking in the
+ reverse order assures the +load of class is executed first and then
+ +load of categories because of the way in which categories are
+ added to the class methods. */
+
static void
__objc_send_message_in_list (MethodList_t method_list, Class class, SEL op)
{
int i;
- if (!method_list)
+ if (! method_list)
return;
/* First execute the `op' message in the following method lists */
__objc_send_message_in_list (method_list->method_next, class, op);
- /* Search the method list. */
+ /* Search the method list. */
for (i = 0; i < method_list->method_count; i++)
{
Method_t mth = &method_list->method_list[i];
if (mth->method_name && sel_eq (mth->method_name, op)
- && !hash_is_key_in_hash (__objc_load_methods, mth->method_name))
+ && ! objc_hash_is_key_in_hash (__objc_load_methods, mth->method_imp))
{
- /* The method was found and wasn't previously executed. */
- (*mth->method_imp) ((id)class, mth->method_name);
-
/* Add this method into the +load hash table */
- hash_add (&__objc_load_methods, mth->method_imp, mth->method_imp);
+ objc_hash_add (&__objc_load_methods,
+ mth->method_imp,
+ mth->method_imp);
DEBUG_PRINTF ("sending +load in class: %s\n", class->name);
+ /* The method was found and wasn't previously executed. */
+ (*mth->method_imp) ((id)class, mth->method_name);
+
break;
}
}
}
static void
-__objc_send_load (objc_class_tree *tree, int level)
+__objc_send_load (objc_class_tree *tree,
+ int level __attribute__ ((__unused__)))
{
static SEL load_sel = 0;
Class class = tree->class;
MethodList_t method_list = class->class_pointer->methods;
- if (!load_sel)
+ if (! load_sel)
load_sel = sel_register_name ("load");
__objc_send_message_in_list (method_list, class, load_sel);
}
static void
-__objc_destroy_class_tree_node (objc_class_tree *tree, int level)
+__objc_destroy_class_tree_node (objc_class_tree *tree,
+ int level __attribute__ ((__unused__)))
{
objc_free (tree);
}
-/* This is used to check if the relationship between two classes before the
- runtime completely installs the classes. */
+/* This is used to check if the relationship between two classes
+ before the runtime completely installs the classes. */
+
static BOOL
class_is_subclass_of_class (Class class, Class superclass)
{
{
if (class == superclass)
return YES;
- class = (class->super_class ?
- objc_lookup_class ((char*)class->super_class)
- : Nil);
+ class = class_superclass_of_class (class);
}
return NO;
}
-/* This list contains all the classes in the runtime system for whom their
- superclasses are not yet know to the runtime. */
-static struct objc_list* unresolved_classes = 0;
+/* This list contains all the classes in the runtime system for whom
+ their superclasses are not yet known to the runtime. */
+static struct objc_list *unresolved_classes = 0;
-/* Static function used to reference the Object and NXConstantString classes.
- */
-static void
+/* Extern function used to reference the Object and NXConstantString
+ classes. */
+
+extern void __objc_force_linking (void);
+
+void
__objc_force_linking (void)
{
extern void __objc_linking (void);
__objc_linking ();
-
- /* Call the function to avoid compiler warning */
- __objc_force_linking ();
}
-/* Run through the statics list, removing modules as soon as all its statics
- have been initialized. */
+/* Run through the statics list, removing modules as soon as all its
+ statics have been initialized. */
+
static void
objc_init_statics (void)
{
struct objc_list **cell = &uninitialized_statics;
struct objc_static_instances **statics_in_module;
- objc_mutex_lock(__objc_runtime_mutex);
+ objc_mutex_lock (__objc_runtime_mutex);
while (*cell)
{
struct objc_static_instances *statics = *statics_in_module;
Class class = objc_lookup_class (statics->class_name);
- if (!class)
+ if (! class)
module_initialized = 0;
/* Actually, the static's class_pointer will be NULL when we
haven't been here before. However, the comparison is to be
/* Remove this module from the uninitialized list. */
struct objc_list *this = *cell;
*cell = this->tail;
- objc_free(this);
+ objc_free (this);
}
else
cell = &(*cell)->tail;
}
- objc_mutex_unlock(__objc_runtime_mutex);
+ objc_mutex_unlock (__objc_runtime_mutex);
} /* objc_init_statics */
/* This function is called by constructor functions generated for each
- module compiled. (_GLOBAL_$I$...) The purpose of this function is to
- gather the module pointers so that they may be processed by the
- initialization routines as soon as possible */
+ module compiled. (_GLOBAL_$I$...) The purpose of this function is
+ to gather the module pointers so that they may be processed by the
+ initialization routines as soon as possible. */
void
__objc_exec_class (Module_t module)
indicate that some global data structures need to be built. */
static BOOL previous_constructors = 0;
- static struct objc_list* unclaimed_categories = 0;
+ static struct objc_list *unclaimed_categories = 0;
/* The symbol table (defined in objc-api.h) generated by gcc */
Symtab_t symtab = module->symtab;
= symtab->defs[symtab->cls_def_cnt + symtab->cat_def_cnt];
/* Entry used to traverse hash lists */
- struct objc_list** cell;
+ struct objc_list **cell;
/* The table of selector references for this module */
SEL selectors = symtab->refs;
DEBUG_PRINTF ("received module: %s\n", module->name);
/* check gcc version */
- init_check_module_version(module);
+ init_check_module_version (module);
/* On the first call of this routine, initialize some data structures. */
- if (!previous_constructors)
+ if (! previous_constructors)
{
/* Initialize thread-safe system */
- __objc_init_thread_system();
+ __objc_init_thread_system ();
__objc_runtime_threads_alive = 1;
- __objc_runtime_mutex = objc_mutex_allocate();
+ __objc_runtime_mutex = objc_mutex_allocate ();
- __objc_init_selector_tables();
- __objc_init_class_tables();
- __objc_init_dispatch_tables();
+ __objc_init_selector_tables ();
+ __objc_init_class_tables ();
+ __objc_init_dispatch_tables ();
__objc_class_tree_list = list_cons (NULL, __objc_class_tree_list);
- __objc_load_methods
- = hash_new (128, (hash_func_type)hash_ptr, compare_ptrs);
+ __objc_load_methods = objc_hash_new (128,
+ (hash_func_type)objc_hash_ptr,
+ objc_compare_ptrs);
previous_constructors = 1;
}
/* Save the module pointer for later processing. (not currently used) */
- objc_mutex_lock(__objc_runtime_mutex);
- __objc_module_list = list_cons(module, __objc_module_list);
+ objc_mutex_lock (__objc_runtime_mutex);
+ __objc_module_list = list_cons (module, __objc_module_list);
/* Replace referenced selectors from names to SEL's. */
if (selectors)
for (i = 0; selectors[i].sel_id; ++i)
{
const char *name, *type;
- name = (char*)selectors[i].sel_id;
- type = (char*)selectors[i].sel_types;
+ name = (char *) selectors[i].sel_id;
+ type = (char *) selectors[i].sel_types;
/* Constructors are constant static data so we can safely store
pointers to them in the runtime structures. is_const == YES */
__sel_register_typed_name (name, type,
- (struct objc_selector*)&(selectors[i]),
+ (struct objc_selector *) &(selectors[i]),
YES);
}
}
for (i = 0; i < symtab->cls_def_cnt; ++i)
{
Class class = (Class) symtab->defs[i];
- const char* superclass = (char*)class->super_class;
+ const char *superclass = (char *) class->super_class;
/* Make sure we have what we think. */
- assert (CLS_ISCLASS(class));
- assert (CLS_ISMETA(class->class_pointer));
+ assert (CLS_ISCLASS (class));
+ assert (CLS_ISMETA (class->class_pointer));
DEBUG_PRINTF ("phase 1, processing class: %s\n", class->name);
/* Initialize the subclass list to be NULL.
- In some cases it isn't and this crashes the program. */
+ In some cases it isn't and this crashes the program. */
class->subclass_list = NULL;
/* Store the class in the class table and assign class numbers. */
__objc_register_selectors_from_class ((Class) class->class_pointer);
/* Install the fake dispatch tables */
- __objc_install_premature_dtable(class);
- __objc_install_premature_dtable(class->class_pointer);
+ __objc_install_premature_dtable (class);
+ __objc_install_premature_dtable (class->class_pointer);
/* Register the instance methods as class methods, this is
- only done for root classes. */
- __objc_register_instance_methods_to_class(class);
+ only done for root classes. */
+ __objc_register_instance_methods_to_class (class);
if (class->protocols)
__objc_init_protocols (class->protocols);
/* Check to see if the superclass is known in this point. If it's not
- add the class to the unresolved_classes list. */
- if (superclass && !objc_lookup_class (superclass))
+ add the class to the unresolved_classes list. */
+ if (superclass && ! objc_lookup_class (superclass))
unresolved_classes = list_cons (class, unresolved_classes);
}
}
/* Register the instance methods as class methods, this is
- only done for root classes. */
- __objc_register_instance_methods_to_class(class);
+ only done for root classes. */
+ __objc_register_instance_methods_to_class (class);
}
else
{
/* The object to which the category methods belong can't be found.
Save the information. */
- unclaimed_categories = list_cons(category, unclaimed_categories);
+ unclaimed_categories = list_cons (category, unclaimed_categories);
}
}
/* Scan the unclaimed category hash. Attempt to attach any unclaimed
categories to objects. */
- for (cell = &unclaimed_categories;
- *cell;
- ({ if (*cell) cell = &(*cell)->tail; }))
+ for (cell = &unclaimed_categories; *cell; )
{
Category_t category = (*cell)->head;
Class class = objc_lookup_class (category->class_name);
}
/* Register the instance methods as class methods, this is
- only done for root classes. */
- __objc_register_instance_methods_to_class(class);
+ only done for root classes. */
+ __objc_register_instance_methods_to_class (class);
}
+ else
+ cell = &(*cell)->tail;
}
if (unclaimed_proto_list && objc_lookup_class ("Protocol"))
{
- list_mapcar (unclaimed_proto_list,(void(*)(void*))__objc_init_protocols);
+ list_mapcar (unclaimed_proto_list,
+ (void (*) (void *))__objc_init_protocols);
list_free (unclaimed_proto_list);
unclaimed_proto_list = 0;
}
objc_send_load ();
- objc_mutex_unlock(__objc_runtime_mutex);
+ objc_mutex_unlock (__objc_runtime_mutex);
}
-static void objc_send_load (void)
+static void
+objc_send_load (void)
{
- if (!__objc_module_list)
+ if (! __objc_module_list)
return;
/* Try to find out if all the classes loaded so far also have their
- superclasses known to the runtime. We suppose that the objects that are
- allocated in the +load method are in general of a class declared in the
- same module. */
+ superclasses known to the runtime. We suppose that the objects
+ that are allocated in the +load method are in general of a class
+ declared in the same module. */
if (unresolved_classes)
{
Class class = unresolved_classes->head;
- while (objc_lookup_class ((char*)class->super_class))
+ while (objc_lookup_class ((char *) class->super_class))
{
list_remove_head (&unresolved_classes);
if (unresolved_classes)
break;
}
- /*
- * If we still have classes for whom we don't have yet their super
- * classes known to the runtime we don't send the +load messages.
- */
+ /* If we still have classes for whom we don't have yet their
+ super classes known to the runtime we don't send the +load
+ messages. */
if (unresolved_classes)
return;
}
- /* Special check to allow creating and sending messages to constant strings
- in +load methods. If these classes are not yet known, even if all the
- other classes are known, delay sending of +load. */
- if (!objc_lookup_class ("NXConstantString") ||
- !objc_lookup_class ("Object"))
+ /* Special check to allow creating and sending messages to constant
+ strings in +load methods. If these classes are not yet known,
+ even if all the other classes are known, delay sending of +load. */
+ if (! objc_lookup_class ("NXConstantString") ||
+ ! objc_lookup_class ("Object"))
return;
- /* Iterate over all modules in the __objc_module_list and call on them the
- __objc_create_classes_tree function. This function creates a tree of
- classes that resembles the class hierarchy. */
- list_mapcar (__objc_module_list, (void(*)(void*))__objc_create_classes_tree);
+ /* Iterate over all modules in the __objc_module_list and call on
+ them the __objc_create_classes_tree function. This function
+ creates a tree of classes that resembles the class hierarchy. */
+ list_mapcar (__objc_module_list,
+ (void (*) (void *)) __objc_create_classes_tree);
while (__objc_class_tree_list)
{
list_remove_head (&__objc_class_tree_list);
}
- list_mapcar (__objc_module_list, (void(*)(void*))__objc_call_callback);
+ list_mapcar (__objc_module_list, (void (*) (void *)) __objc_call_callback);
list_free (__objc_module_list);
__objc_module_list = NULL;
}
Symtab_t symtab = module->symtab;
int i;
- /* Iterate thru classes defined in this module and insert them in the classes
- tree hierarchy. */
+ /* Iterate thru classes defined in this module and insert them in
+ the classes tree hierarchy. */
for (i = 0; i < symtab->cls_def_cnt; i++)
{
Class class = (Class) symtab->defs[i];
static void
__objc_call_callback (Module_t module)
{
- /* The runtime mutex is locked in this point */
+ /* The runtime mutex is locked in this point. */
Symtab_t symtab = module->symtab;
int i;
- /* Iterate thru classes defined in this module and call the callback for
- each one. */
+ /* Iterate thru classes defined in this module and call the callback
+ for each one. */
for (i = 0; i < symtab->cls_def_cnt; i++)
{
Class class = (Class) symtab->defs[i];
- /* Call the _objc_load_callback for this class. */
+ /* Call the _objc_load_callback for this class. */
if (_objc_load_callback)
- _objc_load_callback(class, 0);
+ _objc_load_callback (class, 0);
}
- /* Call the _objc_load_callback for categories. Don't register the instance
- methods as class methods for categories to root classes since they were
- already added in the class. */
+ /* Call the _objc_load_callback for categories. Don't register the
+ instance methods as class methods for categories to root classes
+ since they were already added in the class. */
for (i = 0; i < symtab->cat_def_cnt; i++)
{
Category_t category = symtab->defs[i + symtab->cls_def_cnt];
Class class = objc_lookup_class (category->class_name);
if (_objc_load_callback)
- _objc_load_callback(class, category);
+ _objc_load_callback (class, category);
}
}
-/* Sanity check the version of gcc used to compile `module'*/
-static void init_check_module_version(Module_t module)
+/* Sanity check the version of gcc used to compile `module'. */
+
+static void
+init_check_module_version (Module_t module)
{
if ((module->version != OBJC_VERSION) || (module->size != sizeof (Module)))
{
- int code;
-
- if(module->version > OBJC_VERSION)
- code = OBJC_ERR_OBJC_VERSION;
- else if (module->version < OBJC_VERSION)
- code = OBJC_ERR_GCC_VERSION;
- else
- code = OBJC_ERR_MODULE_SIZE;
-
- objc_error(nil, code, "Module %s version %d doesn't match runtime %d\n",
- module->name, (int)module->version, OBJC_VERSION);
+ _objc_abort ("Module %s version %d doesn't match runtime %d\n",
+ module->name, (int)module->version, OBJC_VERSION);
}
}
static void
-__objc_init_protocols (struct objc_protocol_list* protos)
+__objc_init_protocols (struct objc_protocol_list *protos)
{
- int i;
+ size_t i;
static Class proto_class = 0;
if (! protos)
return;
- objc_mutex_lock(__objc_runtime_mutex);
+ objc_mutex_lock (__objc_runtime_mutex);
- if (!proto_class)
- proto_class = objc_lookup_class("Protocol");
+ if (! proto_class)
+ proto_class = objc_lookup_class ("Protocol");
- if (!proto_class)
+ if (! proto_class)
{
unclaimed_proto_list = list_cons (protos, unclaimed_proto_list);
- objc_mutex_unlock(__objc_runtime_mutex);
+ objc_mutex_unlock (__objc_runtime_mutex);
return;
}
assert (protos->next == 0); /* only single ones allowed */
#endif
- for(i = 0; i < protos->count; i++)
+ for (i = 0; i < protos->count; i++)
{
- struct objc_protocol* aProto = protos->list[i];
+ struct objc_protocol *aProto = protos->list[i];
if (((size_t)aProto->class_pointer) == PROTOCOL_VERSION)
{
/* assign class pointer */
}
else if (protos->list[i]->class_pointer != proto_class)
{
- objc_error(nil, OBJC_ERR_PROTOCOL_VERSION,
- "Version %d doesn't match runtime protocol version %d\n",
- (int)((char*)protos->list[i]->class_pointer-(char*)0),
- PROTOCOL_VERSION);
+ _objc_abort ("Version %d doesn't match runtime protocol version %d\n",
+ (int) ((char *) protos->list[i]->class_pointer
+ - (char *) 0),
+ PROTOCOL_VERSION);
}
}
- objc_mutex_unlock(__objc_runtime_mutex);
+ objc_mutex_unlock (__objc_runtime_mutex);
}
-static void __objc_class_add_protocols (Class class,
- struct objc_protocol_list* protos)
+static void
+__objc_class_add_protocols (Class class, struct objc_protocol_list *protos)
{
- /* Well... */
+ /* Well... */
if (! protos)
return;
- /* Add it... */
+ /* Add it... */
protos->next = class->protocols;
class->protocols = protos;
}
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