void
Init_PreGC(void)
{
auto_collection_control_t *control;
__auto_zone = auto_zone();
if (__auto_zone == NULL) {
rb_objc_no_gc_error();
}
__nsobject = (void *)objc_getClass("NSObject");
control = auto_collection_parameters(__auto_zone);
if (getenv("GC_DEBUG")) {
control->log = AUTO_LOG_COLLECTIONS | AUTO_LOG_REGIONS | AUTO_LOG_UNUSUAL;
}
if (getenv("GC_DISABLE")) {
gc_disabled = true;
}
Method m = class_getInstanceMethod((Class)objc_getClass("NSObject"), sel_registerName("finalize"));
assert(m != NULL);
method_setImplementation(m, (IMP)rb_obj_imp_finalize);
auto_collector_disable(__auto_zone);
}
static void
remove_method(VALUE klass, ID mid)
{
if (klass == rb_cObject) {
rb_secure(4);
}
if (rb_safe_level() >= 4 && !OBJ_TAINTED(klass)) {
rb_raise(rb_eSecurityError, "Insecure: can't remove method");
}
if (OBJ_FROZEN(klass))
rb_error_frozen("class/module");
if (mid == object_id || mid == __send__ || mid == idInitialize) {
rb_warn("removing `%s' may cause serious problem", rb_id2name(mid));
}
SEL sel;
Method m;
sel = sel_registerName(rb_id2name(mid));
m = class_getInstanceMethod((Class)klass, sel);
if (m == NULL) {
char buf[100];
size_t len = strlen((char *)sel);
if (((char *)sel)[len - 1] != ':') {
snprintf(buf, sizeof buf, "%s:", (char *)sel);
sel = sel_registerName(buf);
m = class_getInstanceMethod((Class)klass, sel);
}
}
if (m == NULL) {
rb_name_error(mid, "method `%s' not defined in %s",
rb_id2name(mid), rb_class2name(klass));
}
if (rb_vm_get_method_node(method_getImplementation(m)) == NULL) {
rb_warn("removing pure Objective-C method `%s' may cause serious " \
"problem", rb_id2name(mid));
}
method_setImplementation(m, NULL);
if (RCLASS_SINGLETON(klass)) {
rb_funcall(rb_iv_get(klass, "__attached__"), singleton_removed, 1,
ID2SYM(mid));
}
else {
rb_funcall(klass, removed, 1, ID2SYM(mid));
}
}
