Overview
| Comment: | runtime: Add class_addMethod()
Also moves out some stuff to functions to be reusable by |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
d4cae4c963b8c7a21891069cb6d552bc |
| User & Date: | js on 2016-07-03 11:24:15 |
| Other Links: | manifest | tags |
Context
|
2016-07-03
| ||
| 12:01 | runtime: Add objc_enumerationMutation() check-in: 5e267364ae user: js tags: trunk | |
| 11:24 | runtime: Add class_addMethod() check-in: d4cae4c963 user: js tags: trunk | |
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2016-07-02
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| 23:35 | OFHTTPClient: Properly escape path & query string check-in: c25601d462 user: js tags: trunk | |
Changes
Modified src/runtime/class.m from [8bf9db28f4] to [c8cb26401f].
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663 664 665 666 667 668 669 670 671 672 |
if (cls == Nil)
return NULL;
dummy.isa = cls;
return objc_msg_lookup_stret((id)&dummy, sel);
}
const char*
class_getMethodTypeEncoding(Class cls, SEL sel)
{
| > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | < < < < < < < < < < | < < < < < < < | < | | < < < < > > > > > > > > > > > > > > > > > > | < | < < | < | | < < < < < < < < < < < < | < < < < < < | | < < | < < < < < < < < < < < < < < < < < < < < < < | | 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 |
if (cls == Nil)
return NULL;
dummy.isa = cls;
return objc_msg_lookup_stret((id)&dummy, sel);
}
static struct objc_method*
get_method(Class cls, SEL sel)
{
struct objc_method_list *ml;
struct objc_category **cats;
for (ml = cls->methodlist; ml != NULL; ml = ml->next)
for (unsigned int i = 0; i < ml->count; i++)
if (sel_isEqual((SEL)&ml->methods[i].sel, sel))
return &ml->methods[i];
if ((cats = objc_categories_for_class(cls)) != NULL) {
for (; *cats != NULL; cats++) {
if (cls->info & OBJC_CLASS_INFO_METACLASS)
ml = (*cats)->class_methods;
else
ml = (*cats)->instance_methods;
for (; ml != NULL; ml = ml->next)
for (unsigned int i = 0; i < ml->count; i++)
if (sel_isEqual(
(SEL)&ml->methods[i].sel, sel))
return &ml->methods[i];
}
}
return NULL;
}
static void
add_method(Class cls, SEL sel, IMP imp, const char *types)
{
struct objc_method_list *ml;
/* FIXME: We need a way to free this at objc_exit() */
if ((ml = malloc(sizeof(struct objc_method_list))) == NULL)
OBJC_ERROR("Not enough memory to replace method!");
ml->next = cls->methodlist;
ml->count = 1;
ml->methods[0].sel.uid = sel->uid;
ml->methods[0].sel.types = types;
ml->methods[0].imp = imp;
cls->methodlist = ml;
objc_update_dtable(cls);
}
const char*
class_getMethodTypeEncoding(Class cls, SEL sel)
{
struct objc_method *method;
if (cls == Nil)
return NULL;
objc_global_mutex_lock();
if ((method = get_method(cls, sel)) != NULL) {
const char *ret = method->sel.types;
objc_global_mutex_unlock();
return ret;
}
objc_global_mutex_unlock();
if (cls->superclass != Nil)
return class_getMethodTypeEncoding(cls->superclass, sel);
return NULL;
}
bool
class_addMethod(Class cls, SEL sel, IMP imp, const char *types)
{
bool ret;
objc_global_mutex_lock();
if (get_method(cls, sel) == NULL) {
add_method(cls, sel, imp, types);
ret = true;
} else
ret = false;
objc_global_mutex_unlock();
return ret;
}
IMP
class_replaceMethod(Class cls, SEL sel, IMP newimp, const char *types)
{
struct objc_method *method;
IMP oldimp;
objc_global_mutex_lock();
if ((method = get_method(cls, sel)) != NULL) {
oldimp = method->imp;
method->imp = newimp;
objc_update_dtable(cls);
} else {
oldimp = NULL;
add_method(cls, sel, newimp, types);
}
objc_global_mutex_unlock();
return oldimp;
}
Class
object_getClass(id obj_)
{
struct objc_object *obj;
|
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Modified src/runtime/runtime.h from [ddc272f296] to [ee48ca9342].
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213 214 215 216 217 218 219 220 221 222 223 224 225 226 | extern Class class_getSuperclass(Class); extern unsigned long class_getInstanceSize(Class); extern bool class_respondsToSelector(Class, SEL); extern bool class_conformsToProtocol(Class, Protocol*); extern IMP class_getMethodImplementation(Class, SEL); extern IMP class_getMethodImplementation_stret(Class, SEL); extern const char* class_getMethodTypeEncoding(Class, SEL); extern IMP class_replaceMethod(Class, SEL, IMP, const char*); extern Class object_getClass(id); extern Class object_setClass(id, Class); extern const char* object_getClassName(id); extern const char* protocol_getName(Protocol*); extern bool protocol_isEqual(Protocol*, Protocol*); extern bool protocol_conformsToProtocol(Protocol*, Protocol*); | > | 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 | extern Class class_getSuperclass(Class); extern unsigned long class_getInstanceSize(Class); extern bool class_respondsToSelector(Class, SEL); extern bool class_conformsToProtocol(Class, Protocol*); extern IMP class_getMethodImplementation(Class, SEL); extern IMP class_getMethodImplementation_stret(Class, SEL); extern const char* class_getMethodTypeEncoding(Class, SEL); extern bool class_addMethod(Class, SEL, IMP, const char*); extern IMP class_replaceMethod(Class, SEL, IMP, const char*); extern Class object_getClass(id); extern Class object_setClass(id, Class); extern const char* object_getClassName(id); extern const char* protocol_getName(Protocol*); extern bool protocol_isEqual(Protocol*, Protocol*); extern bool protocol_conformsToProtocol(Protocol*, Protocol*); |
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