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-rw-r--r--gcc-4.7/libobjc/ivars.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/gcc-4.7/libobjc/ivars.c b/gcc-4.7/libobjc/ivars.c
deleted file mode 100644
index 6111a03ea..000000000
--- a/gcc-4.7/libobjc/ivars.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/* GNU Objective C Runtime ivar related functions.
- Copyright (C) 2010 Free Software Foundation, Inc.
- Contributed by Nicola Pero
-
-This file is part of GCC.
-
-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 3, or (at your option) any later version.
-
-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.
-
-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.
-
-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 "objc-private/common.h"
-#include "objc/runtime.h"
-#include "objc-private/module-abi-8.h" /* For runtime structures */
-#include "objc/thr.h"
-#include "objc-private/runtime.h" /* the kitchen sink */
-#include <string.h> /* For strcmp. */
-#include <stdlib.h> /* For malloc. */
-
-struct objc_ivar *
-class_getInstanceVariable (Class class_, const char *name)
-{
- if (class_ != Nil && name != NULL && ! CLS_IS_IN_CONSTRUCTION (class_))
- {
- while (class_ != Nil)
- {
- struct objc_ivar_list *ivars = class_->ivars;
- if (ivars != NULL)
- {
- int i;
-
- for (i = 0; i < ivars->ivar_count; i++)
- {
- struct objc_ivar *ivar = &(ivars->ivar_list[i]);
-
- if (!strcmp (ivar->ivar_name, name))
- return ivar;
- }
- }
- class_ = class_getSuperclass (class_);
- }
- }
- return NULL;
-}
-
-struct objc_ivar *
-class_getClassVariable (Class class_, const char *name)
-{
- if (class_ == Nil)
- return NULL;
-
- /* Logically, since a class is an instance of its meta-class, and
- since its class methods are the instance methods of the
- meta-class, class variables should be instance variables of the
- meta-class. That is different from the normal use of having
- 'static' variables in the class implementation file, because
- every class would have its own variables.
-
- Anyway, it is all speculative at this stage, but if we get class
- variables in Objective-C, it is conceivable that this
- implementation should work. */
- return class_getInstanceVariable (class_->class_pointer, name);
-}
-
-void *
-object_getIndexedIvars (id object)
-{
- if (object == nil)
- return NULL;
- else
- return (void *)(((char *)object)
- + object->class_pointer->instance_size);
-}
-
-struct objc_ivar *
-object_getInstanceVariable (id object, const char *name, void **returnValue)
-{
- if (object == nil || name == NULL)
- return NULL;
- else
- {
- struct objc_ivar * variable = class_getInstanceVariable (object->class_pointer, name);
-
- if (variable != NULL && returnValue != NULL)
- {
- char *location = (char *)object + variable->ivar_offset;
-
- *returnValue = *((id *)location);
- }
-
- return variable;
- }
-}
-
-struct objc_ivar *
-object_setInstanceVariable (id object, const char *name, void *newValue)
-{
- if (object == nil || name == NULL)
- return NULL;
- else
- {
- struct objc_ivar * variable = class_getInstanceVariable (object->class_pointer, name);
-
- if (variable != NULL)
- {
- char *location = (char *)object + variable->ivar_offset;
-
- *((id *)location) = (id)newValue;
- }
-
- return variable;
- }
-}
-
-id object_getIvar (id object, struct objc_ivar * variable)
-{
- if (object == nil || variable == NULL)
- return nil;
- else
- {
- char *location = (char *)object + variable->ivar_offset;
-
- return *((id *)location);
- }
-}
-
-void object_setIvar (id object, struct objc_ivar * variable, id value)
-{
- if (object == nil || variable == NULL)
- return;
- else
- {
- char *location = (char *)object + variable->ivar_offset;
-
- *((id *)location) = value;
- }
-}
-
-const char * ivar_getName (struct objc_ivar * variable)
-{
- if (variable == NULL)
- return NULL;
-
- return variable->ivar_name;
-}
-
-ptrdiff_t ivar_getOffset (struct objc_ivar * variable)
-{
- if (variable == NULL)
- return 0;
-
- return (ptrdiff_t)(variable->ivar_offset);
-}
-
-const char * ivar_getTypeEncoding (struct objc_ivar * variable)
-{
- if (variable == NULL)
- return NULL;
-
- return variable->ivar_type;
-}
-
-struct objc_ivar ** class_copyIvarList (Class class_, unsigned int *numberOfReturnedIvars)
-{
- unsigned int count = 0;
- struct objc_ivar **returnValue = NULL;
- struct objc_ivar_list* ivar_list;
-
- if (class_ == Nil || CLS_IS_IN_CONSTRUCTION (class_))
- {
- if (numberOfReturnedIvars)
- *numberOfReturnedIvars = 0;
- return NULL;
- }
-
- /* Count how many ivars we have. */
- ivar_list = class_->ivars;
- count = ivar_list->ivar_count;
-
- if (count != 0)
- {
- unsigned int i = 0;
-
- /* Allocate enough memory to hold them. */
- returnValue = (struct objc_ivar **)(malloc (sizeof (struct objc_ivar *) * (count + 1)));
-
- /* Copy the ivars. */
- for (i = 0; i < count; i++)
- returnValue[i] = &(ivar_list->ivar_list[i]);
-
- returnValue[i] = NULL;
- }
-
- if (numberOfReturnedIvars)
- *numberOfReturnedIvars = count;
-
- return returnValue;
-}
-
-BOOL
-class_addIvar (Class class_, const char * ivar_name, size_t size,
- unsigned char log_2_of_alignment, const char *type)
-{
- struct objc_ivar_list *ivars;
-
- if (class_ == Nil
- || (! CLS_IS_IN_CONSTRUCTION (class_))
- || ivar_name == NULL
- || (strcmp (ivar_name, "") == 0)
- || size == 0
- || type == NULL)
- return NO;
-
- /* Check if the class has an instance variable with that name
- already. */
- ivars = class_->ivars;
-
- if (ivars != NULL)
- {
- int i;
-
- for (i = 0; i < ivars->ivar_count; i++)
- {
- struct objc_ivar *ivar = &(ivars->ivar_list[i]);
-
- if (strcmp (ivar->ivar_name, ivar_name) == 0)
- return NO;
- }
- }
-
- /* Ok, no direct ivars. Check superclasses. */
- if (class_getInstanceVariable (objc_getClass ((char *)(class_->super_class)),
- ivar_name))
- return NO;
-
- /* Good. Create space for the new instance variable. */
- if (ivars)
- {
- int ivar_count = ivars->ivar_count + 1;
- int new_size = sizeof (struct objc_ivar_list)
- + (ivar_count - 1) * sizeof (struct objc_ivar);
-
- ivars = (struct objc_ivar_list*) objc_realloc (ivars, new_size);
- ivars->ivar_count = ivar_count;
- class_->ivars = ivars;
- }
- else
- {
- int new_size = sizeof (struct objc_ivar_list);
-
- ivars = (struct objc_ivar_list*) objc_malloc (new_size);
- ivars->ivar_count = 1;
- class_->ivars = ivars;
- }
-
- /* Now ivars is set to a list of instance variables of the right
- size. */
- {
- struct objc_ivar *ivar = &(ivars->ivar_list[ivars->ivar_count - 1]);
- unsigned int alignment = 1 << log_2_of_alignment;
- int misalignment;
-
- ivar->ivar_name = objc_malloc (strlen (ivar_name) + 1);
- strcpy ((char *)ivar->ivar_name, ivar_name);
-
- ivar->ivar_type = objc_malloc (strlen (type) + 1);
- strcpy ((char *)ivar->ivar_type, type);
-
- /* The new instance variable is placed at the end of the existing
- instance_size, at the first byte that is aligned with
- alignment. */
- misalignment = class_->instance_size % alignment;
-
- if (misalignment == 0)
- ivar->ivar_offset = class_->instance_size;
- else
- ivar->ivar_offset = class_->instance_size - misalignment + alignment;
-
- class_->instance_size = ivar->ivar_offset + size;
- }
-
- return YES;
-}
-
-
-const char *
-property_getName (struct objc_property * property __attribute__ ((__unused__)))
-{
- if (property == NULL)
- return NULL;
-
- /* TODO: New ABI. */
- /* The current ABI does not have any information on properties. */
- return NULL;
-}
-
-const char *
-property_getAttributes (struct objc_property * property __attribute__ ((__unused__)))
-{
- if (property == NULL)
- return NULL;
-
- /* TODO: New ABI. */
- /* The current ABI does not have any information on properties. */
- return NULL;
-}
-
-struct objc_property *
-class_getProperty (Class class_ __attribute__ ((__unused__)),
- const char *propertyName __attribute__ ((__unused__)))
-{
- if (class_ == NULL || propertyName == NULL)
- return NULL;
-
- /* TODO: New ABI. */
- /* The current ABI does not have any information on class properties. */
- return NULL;
-}
-
-struct objc_property **
-class_copyPropertyList (Class class_ __attribute__ ((__unused__)),
- unsigned int *numberOfReturnedProperties __attribute__ ((__unused__)))
-{
- if (class_ == Nil)
- {
- if (numberOfReturnedProperties)
- *numberOfReturnedProperties = 0;
- return NULL;
- }
-
- /* TODO: New ABI. */
- /* The current ABI does not have any information on class properties. */
- if (numberOfReturnedProperties)
- *numberOfReturnedProperties = 0;
-
- return NULL;
-}
-
-const char *
-class_getIvarLayout (Class class_ __attribute__ ((__unused__)))
-{
- return NULL;
-}
-
-const char *
-class_getWeakIvarLayout (Class class_ __attribute__ ((__unused__)))
-{
- return NULL;
-}
-
-void
-class_setIvarLayout (Class class_ __attribute__ ((__unused__)),
- const char *layout __attribute__ ((__unused__)))
-{
- return;
-}
-
-void
-class_setWeakIvarLayout (Class class_ __attribute__ ((__unused__)),
- const char *layout __attribute__ ((__unused__)))
-{
- return;
-}
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