Differences From Artifact [c8cb26401f]:
- File
src/runtime/class.m
— part of check-in
[d4cae4c963]
at
2016-07-03 11:24:15
on branch trunk
— runtime: Add class_addMethod()
Also moves out some stuff to functions to be reusable by
class_addMethod(). (user: js, size: 19328) [annotate] [blame] [check-ins using]
To Artifact [9db3a46267]:
- File src/runtime/class.m — part of check-in [c71706db46] at 2016-07-05 19:31:14 on branch trunk — runtime/class.m: Add explicit size_t -> long cast (user: js, size: 19412) [annotate] [blame] [check-ins using]
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Class
objc_allocateClassPair(Class superclass, const char *name, size_t extra_bytes)
{
struct objc_class *cls, *metaclass;
Class iter, rootclass = Nil;
if ((cls = calloc(1, sizeof(*cls))) == NULL ||
(metaclass = calloc(1, sizeof(*cls))) == NULL)
OBJC_ERROR("Not enough memory to allocate class pair for class "
"%s!", name)
cls->isa = metaclass;
cls->superclass = superclass;
cls->name = name;
cls->info = OBJC_CLASS_INFO_CLASS;
cls->instance_size = (superclass != Nil ?
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Class
objc_allocateClassPair(Class superclass, const char *name, size_t extra_bytes)
{
struct objc_class *cls, *metaclass;
Class iter, rootclass = Nil;
if (extra_bytes > LONG_MAX)
OBJC_ERROR("extra_bytes out of range!")
if ((cls = calloc(1, sizeof(*cls))) == NULL ||
(metaclass = calloc(1, sizeof(*cls))) == NULL)
OBJC_ERROR("Not enough memory to allocate class pair for class "
"%s!", name)
cls->isa = metaclass;
cls->superclass = superclass;
cls->name = name;
cls->info = OBJC_CLASS_INFO_CLASS;
cls->instance_size = (superclass != Nil ?
superclass->instance_size : 0) + (long)extra_bytes;
for (iter = superclass; iter != Nil; iter = iter->superclass)
rootclass = iter;
metaclass->isa = (rootclass != Nil ? rootclass->isa : cls);
metaclass->superclass = (superclass != Nil ? superclass->isa : Nil);
metaclass->name = name;
metaclass->info = OBJC_CLASS_INFO_CLASS;
metaclass->instance_size = (superclass != Nil ?
superclass->isa->instance_size : 0) + (long)extra_bytes;
return cls;
}
void
objc_registerClassPair(Class cls)
{
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