From 69c32980595cccd99407da9c9f38e07e25ddbbf2 Mon Sep 17 00:00:00 2001 From: Nicola Pero Date: Tue, 7 Jun 2011 21:20:42 +0000 Subject: [PATCH] In libobjc/: 2011-06-07 Nicola Pero In libobjc/: 2011-06-07 Nicola Pero * class.c (objc_next_class): Removed. (class_pose_as): Removed. (CLASSOF): Removed. (class_table_replace): Removed. (objc_lookup_class): Removed. From-SVN: r174767 --- libobjc/ChangeLog | 8 +++ libobjc/class.c | 152 +--------------------------------------------- 2 files changed, 9 insertions(+), 151 deletions(-) diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog index d4532f984f1..b885f9d735c 100644 --- a/libobjc/ChangeLog +++ b/libobjc/ChangeLog @@ -1,3 +1,11 @@ +2011-06-07 Nicola Pero + + * class.c (objc_next_class): Removed. + (class_pose_as): Removed. + (CLASSOF): Removed. + (class_table_replace): Removed. + (objc_lookup_class): Removed. + 2011-06-07 Nicola Pero Removed the Traditional Objective-C runtime public API. diff --git a/libobjc/class.c b/libobjc/class.c index 5f01a175df8..3fe3561d2ac 100644 --- a/libobjc/class.c +++ b/libobjc/class.c @@ -203,41 +203,6 @@ class_table_insert (const char *class_name, Class class_pointer) objc_mutex_unlock (__class_table_lock); } -/* Replace a class in the table (used only by poseAs:). */ -static void -class_table_replace (Class old_class_pointer, Class new_class_pointer) -{ - int hash; - class_node_ptr node; - - objc_mutex_lock (__class_table_lock); - - hash = 0; - node = class_table_array[hash]; - - while (hash < CLASS_TABLE_SIZE) - { - if (node == NULL) - { - hash++; - if (hash < CLASS_TABLE_SIZE) - node = class_table_array[hash]; - } - else - { - Class class1 = node->pointer; - - if (class1 == old_class_pointer) - node->pointer = new_class_pointer; - - node = node->next; - } - } - - objc_mutex_unlock (__class_table_lock); -} - - /* Get a class from the table. This does not need mutex protection. Currently, this function is called each time you call a static method, this is why it must be very fast. */ @@ -760,16 +725,6 @@ objc_disposeClassPair (Class class_) objc_free (class_); } -/* Traditional GNU Objective-C Runtime API. */ -/* Get the class object for the class named NAME. If NAME does not - identify a known class, the hook _objc_lookup_class is called. If - this fails, nil is returned. */ -Class -objc_lookup_class (const char *name) -{ - return objc_getClass (name); -} - /* Traditional GNU Objective-C Runtime API. Important: this method is called automatically by the compiler while messaging (if using the traditional ABI), so it is worth keeping it fast; don't make it @@ -802,38 +757,13 @@ objc_get_class (const char *name) return 0; } +/* This is used by the compiler too. */ Class objc_get_meta_class (const char *name) { return objc_get_class (name)->class_pointer; } -/* This function provides a way to enumerate all the classes in the - executable. Pass *ENUM_STATE == NULL to start the enumeration. The - function will return 0 when there are no more classes. - For example: - id class; - void *es = NULL; - while ((class = objc_next_class (&es))) - ... do something with class; -*/ -Class -objc_next_class (void **enum_state) -{ - Class class; - - objc_mutex_lock (__objc_runtime_mutex); - - /* Make sure the table is there. */ - assert (__class_table_lock); - - class = class_table_next ((struct class_table_enumerator **) enum_state); - - objc_mutex_unlock (__objc_runtime_mutex); - - return class; -} - /* This is used when the implementation of a method changes. It goes through all classes, looking for the ones that have these methods (either method_a or method_b; method_b can be NULL), and reloads @@ -1035,83 +965,3 @@ class_getInstanceSize (Class class_) return class_->instance_size; } -#define CLASSOF(c) ((c)->class_pointer) - -Class -class_pose_as (Class impostor, Class super_class) -{ - if (! CLS_ISRESOLV (impostor)) - __objc_resolve_class_links (); - - /* Preconditions */ - assert (impostor); - assert (super_class); - assert (impostor->super_class == super_class); - assert (CLS_ISCLASS (impostor)); - assert (CLS_ISCLASS (super_class)); - assert (impostor->instance_size == super_class->instance_size); - - { - Class *subclass = &(super_class->subclass_list); - - /* Move subclasses of super_class to impostor. */ - while (*subclass) - { - Class nextSub = (*subclass)->sibling_class; - - if (*subclass != impostor) - { - Class sub = *subclass; - - /* Classes */ - sub->sibling_class = impostor->subclass_list; - sub->super_class = impostor; - impostor->subclass_list = sub; - - /* It will happen that SUB is not a class object if it is - the top of the meta class hierarchy chain (root - meta-class objects inherit their class object). If - that is the case... don't mess with the meta-meta - class. */ - if (CLS_ISCLASS (sub)) - { - /* Meta classes */ - CLASSOF (sub)->sibling_class = - CLASSOF (impostor)->subclass_list; - CLASSOF (sub)->super_class = CLASSOF (impostor); - CLASSOF (impostor)->subclass_list = CLASSOF (sub); - } - } - - *subclass = nextSub; - } - - /* Set subclasses of superclass to be impostor only. */ - super_class->subclass_list = impostor; - CLASSOF (super_class)->subclass_list = CLASSOF (impostor); - - /* Set impostor to have no sibling classes. */ - impostor->sibling_class = 0; - CLASSOF (impostor)->sibling_class = 0; - } - - /* Check relationship of impostor and super_class is kept. */ - assert (impostor->super_class == super_class); - assert (CLASSOF (impostor)->super_class == CLASSOF (super_class)); - - /* This is how to update the lookup table. Regardless of what the - keys of the hashtable is, change all values that are superclass - into impostor. */ - - objc_mutex_lock (__objc_runtime_mutex); - - class_table_replace (super_class, impostor); - - objc_mutex_unlock (__objc_runtime_mutex); - - /* Next, we update the dispatch tables... */ - __objc_update_dispatch_table_for_class (CLASSOF (impostor)); - __objc_update_dispatch_table_for_class (impostor); - - return impostor; -}