예제 #1
0
static force_inline VALUE
ruby_dispatch(VALUE top, VALUE self, SEL sel, rb_vm_method_node_t *node,
	unsigned char opt, int argc, const VALUE *argv)
{
    const rb_vm_arity_t &arity = node->arity;
    if ((argc < arity.min) || ((arity.max != -1) && (argc > arity.max))) {
	short limit = (argc < arity.min) ? arity.min : arity.max;
	rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
		argc, limit);
    }

    if ((node->flags & VM_METHOD_PRIVATE) && opt == 0) {
	// Calling a private method with no explicit receiver OR an attribute
	// assignment to non-self, triggering #method_missing.
	rb_vm_block_t *b = GET_VM()->current_block();
	return method_missing(self, sel, b, argc, argv,
		METHOD_MISSING_PRIVATE);
    }

    if ((node->flags & VM_METHOD_PROTECTED)
	    && top != 0 && node->klass != NULL
	    && !rb_obj_is_kind_of(top, (VALUE)node->klass)) {
	// Calling a protected method inside a method where 'self' is not
	// an instance of the class where the method was originally defined,
	// triggering #method_missing.
	rb_vm_block_t *b = GET_VM()->current_block();
	return method_missing(self, sel, b, argc, argv,
		METHOD_MISSING_PROTECTED);
    }

    if ((node->flags & VM_METHOD_EMPTY) && arity.max == arity.min) {
	// Calling an empty method, let's just return nil!
	return Qnil;
    }

    if ((node->flags & VM_METHOD_FBODY) && arity.max != arity.min) {
	// Calling a function defined with rb_objc_define_method with
	// a negative arity, which means a different calling convention.
	if (arity.real == 2) {
	    return ((VALUE (*)(VALUE, SEL, int, const VALUE *))node->ruby_imp)
		(self, sel, argc, argv);
	}
	else if (arity.real == 1) {
	    return ((VALUE (*)(VALUE, SEL, ...))node->ruby_imp)
		(self, sel, rb_ary_new4(argc, argv));
	}
	else if (arity.real == 3) {
	    return ((VALUE (*)(VALUE, SEL, VALUE, int,
			    const VALUE *))node->ruby_imp)
		(self, sel, top, argc, argv);
	}
	else {
	    printf("invalid negative arity for C function %d\n",
		    arity.real);
	    abort();
	}
    }

    return __rb_vm_rcall(self, sel, node->ruby_imp, arity, argc, argv);
}
예제 #2
0
파일: vm_eval.c 프로젝트: 3runo5ouza/rhodes
static inline VALUE
vm_call_super(rb_thread_t * const th, const int argc, const VALUE * const argv)
{
    VALUE recv = th->cfp->self;
    VALUE klass;
    ID id;
    NODE *body;
    rb_control_frame_t *cfp = th->cfp;

    if (!cfp->iseq) {
	klass = cfp->method_class;
	klass = RCLASS_SUPER(klass);

	if (klass == 0) {
	    klass = vm_search_normal_superclass(cfp->method_class, recv);
	}

	id = cfp->method_id;
    }
    else {
	rb_bug("vm_call_super: should not be reached");
    }

    body = rb_method_node(klass, id);	/* this returns NODE_METHOD */
    if (!body) {
	return method_missing(recv, id, argc, argv, 0);
    }

    return vm_call0(th, klass, recv, id, (ID)body->nd_file,
		    argc, argv, body->nd_body, CALL_SUPER);
}
예제 #3
0
 Symbol* InlineCacheEntry::method_missing_prim(STATE) {
   switch(method_missing()) {
   case eNone:
     return state->symbol("none");
   case ePrivate:
     return G(sym_private);
   case eProtected:
     return G(sym_protected);
   case eSuper:
     return state->symbol("super");
   case eVCall:
     return state->symbol("vcall");
   case eNormal:
     return state->symbol("normal");
   }
   return nil<Symbol>();
 }
예제 #4
0
VALUE
rb_vm_dispatch(void *_vm, struct mcache *cache, VALUE top, VALUE self,
	Class klass, SEL sel, rb_vm_block_t *block, unsigned char opt,
	int argc, const VALUE *argv)
{
    RoxorVM *vm = (RoxorVM *)_vm;

#if ROXOR_VM_DEBUG
    bool cached = true;
#endif
    bool cache_method = true;

    Class current_super_class = vm->get_current_super_class();
    SEL current_super_sel = vm->get_current_super_sel();

    if (opt & DISPATCH_SUPER) {
	// TODO
	goto recache;
    }

    if (cache->sel != sel || cache->klass != klass || cache->flag == 0) {
recache:
#if ROXOR_VM_DEBUG
	cached = false;
#endif

	Method method;
	if (opt & DISPATCH_SUPER) {
	    if (!sel_equal(klass, current_super_sel, sel)) {
		current_super_sel = sel;
		current_super_class = klass;
	    }
	    else {
		// Let's make sure the current_super_class is valid before
		// using it; we check this by verifying that it's a real
		// super class of the current class, as we may be calling
		// a super method of the same name but on a totally different
		// class hierarchy.
		Class k = klass;
		bool current_super_class_ok = false;
		while (k != NULL) {
		    if (k == current_super_class) {
			current_super_class_ok = true;
			break;
		    }
		    k = class_getSuperclass(k);
		}
		if (!current_super_class_ok) {
		    current_super_class = klass;
		}
	    }
	    method = rb_vm_super_lookup(current_super_class, sel,
		    &current_super_class);
	}
	else {
	    current_super_sel = 0;
	    method = class_getInstanceMethod(klass, sel);
	}

	if (method != NULL) {
recache2:
	    IMP imp = method_getImplementation(method);

	    if (UNAVAILABLE_IMP(imp)) {
		// Method was undefined.
		goto call_method_missing;
	    }

	    rb_vm_method_node_t *node = GET_CORE()->method_node_get(method);

	    if (node != NULL) {
		// ruby call
		fill_rcache(cache, klass, sel, node);
	    }
	    else {
		// objc call
		fill_ocache(cache, self, klass, imp, sel, method, argc);
	    }

	    if (opt & DISPATCH_SUPER) {
		cache->flag |= MCACHE_SUPER;
	    }
	}
	else {
	    // Method is not found...

#if !defined(MACRUBY_STATIC)
	    // Force a method resolving, because the objc cache might be
	    // wrong.
	    if (rb_vm_resolve_method(klass, sel)) {
		goto recache;
	    }
#endif

	    // Does the receiver implements -forwardInvocation:?
	    if ((opt & DISPATCH_SUPER) == 0
		    && rb_objc_supports_forwarding(self, sel)) {

//#if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
		// In earlier versions of the Objective-C runtime, there seems
		// to be a bug where class_getInstanceMethod isn't atomic,
		// and might return NULL while at the exact same time another
		// thread registers the related method.
		// As a work-around, we double-check if the method still does
		// not exist here. If he does, we can dispatch it properly.

		// note: OS X 10.7 also, this workaround is required. see #1476
		method = class_getInstanceMethod(klass, sel);
		if (method != NULL) {
		    goto recache2;
		}
//#endif
		fill_ocache(cache, self, klass, (IMP)objc_msgSend, sel, NULL,
			argc);
		goto dispatch;
	    }

	    // Let's see if are not trying to call a Ruby method that accepts
	    // a regular argument then an optional Hash argument, to be
	    // compatible with the Ruby specification.
	    const char *selname = (const char *)sel;
	    size_t selname_len = strlen(selname);
	    if (argc > 1) {
		const char *p = strchr(selname, ':');
		if (p != NULL && p + 1 != '\0') {
		    char *tmp = (char *)malloc(selname_len + 1);
		    assert(tmp != NULL);
		    strncpy(tmp, selname, p - selname + 1);
		    tmp[p - selname + 1] = '\0';
		    sel = sel_registerName(tmp);
		    VALUE h = rb_hash_new();
		    bool ok = true;
		    p += 1;
		    for (int i = 1; i < argc; i++) {
			const char *p2 = strchr(p, ':');
			if (p2 == NULL) {
			    ok = false;
			    break;
			}
			strlcpy(tmp, p, selname_len);
			tmp[p2 - p] = '\0';
			p = p2 + 1; 
			rb_hash_aset(h, ID2SYM(rb_intern(tmp)), argv[i]);
		    }
		    free(tmp);
		    tmp = NULL;
		    if (ok) {
			argc = 2;
			((VALUE *)argv)[1] = h; // bad, I know...
			Method m = class_getInstanceMethod(klass, sel);
			if (m != NULL) {	
			    method = m;
			    cache_method = false;
			    goto recache2;
			}
		    }
		}
	    }

	    // Enable helpers for classes which are not RubyObject based.
	    if ((RCLASS_VERSION(klass) & RCLASS_IS_OBJECT_SUBCLASS)
		    != RCLASS_IS_OBJECT_SUBCLASS) {
		// Let's try to see if we are not given a helper selector.
		SEL new_sel = helper_sel(selname, selname_len);
		if (new_sel != NULL) {
		    Method m = class_getInstanceMethod(klass, new_sel);
		    if (m != NULL) {
		    	sel = new_sel;
		    	method = m;
		    	// We need to invert arguments because
		    	// #[]= and setObject:forKey: take arguments
		    	// in a reverse order
		    	if (new_sel == selSetObjectForKey && argc == 2) {
		    	    VALUE swap = argv[0];
		    	    ((VALUE *)argv)[0] = argv[1];
		    	    ((VALUE *)argv)[1] = swap;
		    	    cache_method = false;
		    	}
		    	goto recache2;
		    }
		}
	    }

	    // Let's see if we are not trying to call a BridgeSupport function.
	    if (selname[selname_len - 1] == ':') {
		selname_len--;
	    }
	    std::string name(selname, selname_len);
	    bs_element_function_t *bs_func = GET_CORE()->find_bs_function(name);
	    if (bs_func != NULL) {
		if ((unsigned)argc < bs_func->args_count
			|| ((unsigned)argc > bs_func->args_count
				&& bs_func->variadic == false)) {
		    rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
			argc, bs_func->args_count);
		}
		std::string types;
		vm_gen_bs_func_types(argc, argv, bs_func, types);

		cache->flag = MCACHE_FCALL;
		cache->sel = sel;
		cache->klass = klass;
		cache->as.fcall.bs_function = bs_func;
		cache->as.fcall.imp = (IMP)dlsym(RTLD_DEFAULT, bs_func->name);
		assert(cache->as.fcall.imp != NULL);
		cache->as.fcall.stub = (rb_vm_c_stub_t *)GET_CORE()->gen_stub(
			types, bs_func->variadic, bs_func->args_count, false);
	    }
	    else {
		// Still nothing, then let's call #method_missing.
		goto call_method_missing;
	    }
	}
    }

dispatch:
    if (cache->flag & MCACHE_RCALL) {
	if (!cache_method) {
	    cache->flag = 0;
	}

#if ROXOR_VM_DEBUG
	printf("ruby dispatch %c[<%s %p> %s] (imp %p block %p argc %d opt %d cache %p cached %s)\n",
		class_isMetaClass(klass) ? '+' : '-',
		class_getName(klass),
		(void *)self,
		sel_getName(sel),
		cache->as.rcall.node->ruby_imp,
		block,
		argc,
		opt,
		cache,
		cached ? "true" : "false");
#endif

	bool block_already_current = vm->is_block_current(block);
	Class current_klass = vm->get_current_class();
	if (!block_already_current) {
	    vm->add_current_block(block);
	}
	vm->set_current_class(NULL);

	Class old_current_super_class = vm->get_current_super_class();
	vm->set_current_super_class(current_super_class);
	SEL old_current_super_sel = vm->get_current_super_sel();
	vm->set_current_super_sel(current_super_sel);

	const bool should_pop_broken_with =
	    sel != selInitialize && sel != selInitialize2;

	struct Finally {
	    bool block_already_current;
	    Class current_class;
	    Class current_super_class;
	    SEL current_super_sel;
	    bool should_pop_broken_with;
	    RoxorVM *vm;
	    Finally(bool _block_already_current, Class _current_class,
		    Class _current_super_class, SEL _current_super_sel,
		    bool _should_pop_broken_with, RoxorVM *_vm) {
		block_already_current = _block_already_current;
		current_class = _current_class;
		current_super_class = _current_super_class;
		current_super_sel = _current_super_sel;
		should_pop_broken_with = _should_pop_broken_with;
		vm = _vm;
	    }
	    ~Finally() {
		if (!block_already_current) {
		    vm->pop_current_block();
		}
		vm->set_current_class(current_class);
		if (should_pop_broken_with) {
		    vm->pop_broken_with();
		}
		vm->set_current_super_class(current_super_class);
		vm->set_current_super_sel(current_super_sel);
		vm->pop_current_binding();
	    }
	} finalizer(block_already_current, current_klass,
		old_current_super_class, old_current_super_sel,
		should_pop_broken_with, vm);

	// DTrace probe: method__entry
	if (MACRUBY_METHOD_ENTRY_ENABLED()) {
	    char *class_name = (char *)rb_class2name((VALUE)klass);
	    char *method_name = (char *)sel_getName(sel);
	    char file[PATH_MAX];
	    unsigned long line = 0;
	    GET_CORE()->symbolize_backtrace_entry(1, file, sizeof file, &line,
		    NULL, 0);
	    MACRUBY_METHOD_ENTRY(class_name, method_name, file, line);
	}

	VALUE v = ruby_dispatch(top, self, sel, cache->as.rcall.node,
		opt, argc, argv);

	// DTrace probe: method__return
	if (MACRUBY_METHOD_RETURN_ENABLED()) {
	    char *class_name = (char *)rb_class2name((VALUE)klass);
	    char *method_name = (char *)sel_getName(sel);
	    char file[PATH_MAX];
	    unsigned long line = 0;
	    GET_CORE()->symbolize_backtrace_entry(1, file, sizeof file, &line,
		    NULL, 0);
	    MACRUBY_METHOD_RETURN(class_name, method_name, file, line);
	}

	return v;
    }
    else if (cache->flag & MCACHE_OCALL) {
	if (cache->as.ocall.argc != argc) {
	    goto recache;
	}
	if (!cache_method) {
	    cache->flag = 0;
	}

	if (block != NULL) {
	    rb_warn("passing a block to an Objective-C method - " \
		    "will be ignored");
	}
	else if (sel == selNew) {
	    if (self == rb_cNSMutableArray) {
		self = rb_cRubyArray;
	    }
	}
	else if (sel == selClass) {
	    // Because +[NSObject class] returns self.
	    if (RCLASS_META(klass)) {
		return RCLASS_MODULE(self) ? rb_cModule : rb_cClass;
	    }
	    // Because the CF classes should be hidden, for Ruby compat.
	    if (self == Qnil) {
		return rb_cNilClass;
	    }
	    if (self == Qtrue) {
		return rb_cTrueClass;
	    }
	    if (self == Qfalse) {
		return rb_cFalseClass;
	    }
	    return rb_class_real((VALUE)klass, true);
	}

#if ROXOR_VM_DEBUG
	printf("objc dispatch %c[<%s %p> %s] imp=%p cache=%p argc=%d (cached=%s)\n",
		class_isMetaClass(klass) ? '+' : '-',
		class_getName(klass),
		(void *)self,
		sel_getName(sel),
		cache->as.ocall.imp,
		cache,
		argc,
		cached ? "true" : "false");
#endif

	id ocrcv = RB2OC(self);

 	if (cache->as.ocall.bs_method != NULL) {
	    Class ocklass = object_getClass(ocrcv);
	    for (int i = 0; i < (int)cache->as.ocall.bs_method->args_count;
		    i++) {
		bs_element_arg_t *arg = &cache->as.ocall.bs_method->args[i];
		if (arg->sel_of_type != NULL) {
		    // BridgeSupport tells us that this argument contains a
		    // selector of the given type, but we don't have any
		    // information regarding the target. RubyCocoa and the
		    // other ObjC bridges do not really require it since they
		    // use the NSObject message forwarding mechanism, but
		    // MacRuby registers all methods in the runtime.
		    //
		    // Therefore, we apply here a naive heuristic by assuming
		    // that either the receiver or one of the arguments of this
		    // call is the future target.
		    const int arg_i = arg->index;
		    assert(arg_i >= 0 && arg_i < argc);
		    if (argv[arg_i] != Qnil) {
			ID arg_selid = rb_to_id(argv[arg_i]);
			SEL arg_sel = sel_registerName(rb_id2name(arg_selid));

			if (reinstall_method_maybe(ocklass, arg_sel,
				    arg->sel_of_type)) {
			    goto sel_target_found;
			}
			for (int j = 0; j < argc; j++) {
			    if (j != arg_i && !SPECIAL_CONST_P(argv[j])) {
				if (reinstall_method_maybe(*(Class *)argv[j],
					    arg_sel, arg->sel_of_type)) {
				    goto sel_target_found;
				}
			    }
			}
		    }

sel_target_found:
		    // There can only be one sel_of_type argument.
		    break; 
		}
	    }
	}

	return __rb_vm_objc_dispatch(cache->as.ocall.stub, cache->as.ocall.imp,
		ocrcv, sel, argc, argv);
    }
    else if (cache->flag & MCACHE_FCALL) {
#if ROXOR_VM_DEBUG
	printf("C dispatch %s() imp=%p argc=%d (cached=%s)\n",
		cache->as.fcall.bs_function->name,
		cache->as.fcall.imp,
		argc,
		cached ? "true" : "false");
#endif
	return (*cache->as.fcall.stub)(cache->as.fcall.imp, argc, argv);
    }

    printf("method dispatch is b0rked\n");
    abort();

call_method_missing:
    // Before calling method_missing, let's check if we are not in the following
    // cases:
    //
    //    def foo; end; foo(42)
    //    def foo(x); end; foo
    //
    // If yes, we need to raise an ArgumentError exception instead.
    const char *selname = sel_getName(sel);
    const size_t selname_len = strlen(selname);
    SEL new_sel = 0;

    if (argc > 0 && selname[selname_len - 1] == ':') {
	char buf[100];
	assert(sizeof buf > selname_len - 1);
	strlcpy(buf, selname, sizeof buf);
	buf[selname_len - 1] = '\0';
	new_sel = sel_registerName(buf);
    }
    else if (argc == 0) {
	char buf[100];
	snprintf(buf, sizeof buf, "%s:", selname);
	new_sel = sel_registerName(buf);
    }
    if (new_sel != 0) {
	Method m = class_getInstanceMethod(klass, new_sel);
	if (m != NULL) {
	    IMP mimp = method_getImplementation(m);
	    if (!UNAVAILABLE_IMP(mimp)) {
		unsigned expected_argc;
		rb_vm_method_node_t *node = GET_CORE()->method_node_get(m);
		if (node != NULL) {
		    expected_argc = node->arity.min;
		}
		else {
		    expected_argc = rb_method_getNumberOfArguments(m);
		    expected_argc -= 2; // removing receiver and selector
		}
		rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
			argc, expected_argc);
	    }
	}
    }

    rb_vm_method_missing_reason_t status;
    if (opt & DISPATCH_VCALL) {
	status = METHOD_MISSING_VCALL;
    }
    else if (opt & DISPATCH_SUPER) {
	status = METHOD_MISSING_SUPER;
    }
    else {
	status = METHOD_MISSING_DEFAULT;
    }
    return method_missing((VALUE)self, sel, block, argc, argv, status);
}
예제 #5
0
void *
rb_vm_removed_imp(void *rcv, SEL sel)
{
    method_missing((VALUE)rcv, sel, NULL, NULL, NULL, METHOD_MISSING_DEFAULT);
    return NULL; // never reached
}
예제 #6
0
파일: vm_eval.c 프로젝트: 3runo5ouza/rhodes
static inline VALUE
vm_call0(rb_thread_t * th, VALUE klass, VALUE recv, VALUE id, ID oid,
	 int argc, const VALUE *argv, const NODE *body, int nosuper)
{
    VALUE val;
    rb_block_t *blockptr = 0;

    if (0) printf("id: %s, nd: %s, argc: %d, passed: %p\n",
		  rb_id2name(id), ruby_node_name(nd_type(body)),
		  argc, (void *)th->passed_block);

    if (th->passed_block) {
	blockptr = th->passed_block;
	th->passed_block = 0;
    }
  again:
    switch (nd_type(body)) {
      case RUBY_VM_METHOD_NODE:{
	rb_control_frame_t *reg_cfp;
	VALUE iseqval = (VALUE)body->nd_body;
	int i;

	rb_vm_set_finish_env(th);
	reg_cfp = th->cfp;

	CHECK_STACK_OVERFLOW(reg_cfp, argc + 1);

	*reg_cfp->sp++ = recv;
	for (i = 0; i < argc; i++) {
	    *reg_cfp->sp++ = argv[i];
	}

	vm_setup_method(th, reg_cfp, argc, blockptr, 0, iseqval, recv);
	val = vm_exec(th);
	break;
      }
      case NODE_CFUNC: {
	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, recv, id, klass);
	{
	    rb_control_frame_t *reg_cfp = th->cfp;
	    rb_control_frame_t *cfp =
		vm_push_frame(th, 0, VM_FRAME_MAGIC_CFUNC,
			      recv, (VALUE)blockptr, 0, reg_cfp->sp, 0, 1);

	    cfp->method_id = oid;
	    cfp->method_class = klass;

	    val = call_cfunc(body->nd_cfnc, recv, body->nd_argc, argc, argv);

	    if (reg_cfp != th->cfp + 1) {
		SDR2(reg_cfp);
		SDR2(th->cfp-5);
		rb_bug("cfp consistency error - call0");
		th->cfp = reg_cfp;
	    }
	    vm_pop_frame(th);
	}
	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, recv, id, klass);
	break;
      }
      case NODE_ATTRSET:{
	if (argc != 1) {
	    rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)", argc);
	}
	val = rb_ivar_set(recv, body->nd_vid, argv[0]);
	break;
      }
      case NODE_IVAR: {
	if (argc != 0) {
	    rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)",
		     argc);
	}
	val = rb_attr_get(recv, body->nd_vid);
	break;
      }
      case NODE_BMETHOD:{
	val = vm_call_bmethod(th, oid, body->nd_cval,
			      recv, klass, argc, (VALUE *)argv, blockptr);
	break;
      }
      case NODE_ZSUPER:{
	klass = RCLASS_SUPER(klass);
	if (!klass || !(body = rb_method_node(klass, id))) {
	    return method_missing(recv, id, argc, argv, 0);
	}
	RUBY_VM_CHECK_INTS();
	nosuper = CALL_SUPER;
	body = body->nd_body;
	goto again;
      }
      default:
	rb_bug("unsupported: vm_call0(%s)", ruby_node_name(nd_type(body)));
    }
    RUBY_VM_CHECK_INTS();
    return val;
}
예제 #7
0
파일: vm_eval.c 프로젝트: 3runo5ouza/rhodes
static inline VALUE
rb_call0(VALUE klass, VALUE recv, ID mid, int argc, const VALUE *argv,
	 int scope, VALUE self)
{
    NODE *body, *method;
    int noex;
    ID id = mid;
    struct cache_entry *ent;
    rb_thread_t *th = GET_THREAD();

    if (!klass) {
	rb_raise(rb_eNotImpError,
		 "method `%s' called on terminated object (%p)",
		 rb_id2name(mid), (void *)recv);
    }
    /* is it in the method cache? */
    ent = cache + EXPR1(klass, mid);

    if (ent->mid == mid && ent->klass == klass) {
	if (!ent->method)
	    return method_missing(recv, mid, argc, argv,
				  scope == 2 ? NOEX_VCALL : 0);
	id = ent->mid0;
	noex = ent->method->nd_noex;
	klass = ent->method->nd_clss;
	body = ent->method->nd_body;
    }
    else if ((method = rb_get_method_body(klass, id, &id)) != 0) {
	noex = method->nd_noex;
	klass = method->nd_clss;
	body = method->nd_body;
    }
    else {
	if (scope == 3) {
	    return method_missing(recv, mid, argc, argv, NOEX_SUPER);
	}
	return method_missing(recv, mid, argc, argv,
			      scope == 2 ? NOEX_VCALL : 0);
    }
    

    if (mid != idMethodMissing) {
	/* receiver specified form for private method */
	if (UNLIKELY(noex)) {
	    if (((noex & NOEX_MASK) & NOEX_PRIVATE) && scope == 0) {
		return method_missing(recv, mid, argc, argv, NOEX_PRIVATE);
	    }

	    /* self must be kind of a specified form for protected method */
	    if (((noex & NOEX_MASK) & NOEX_PROTECTED) && scope == 0) {
		VALUE defined_class = klass;
		
		if (TYPE(defined_class) == T_ICLASS) {
		    defined_class = RBASIC(defined_class)->klass;
		}

		if (self == Qundef) {
		    self = th->cfp->self;
		}
		if (!rb_obj_is_kind_of(self, rb_class_real(defined_class))) {
		    return method_missing(recv, mid, argc, argv, NOEX_PROTECTED);
		}
	    }

	    if (NOEX_SAFE(noex) > th->safe_level) {
		rb_raise(rb_eSecurityError, "calling insecure method: %s", rb_id2name(mid));
	    }
	}
    }

    stack_check();
    return vm_call0(th, klass, recv, mid, id, argc, argv, body, noex & NOEX_NOSUPER);
}