37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
-
+
-
-
+
+
+
|
bool isClass =
object_getClass(object)->info & OBJC_CLASS_INFO_METACLASS;
if (!(object_getClass(object)->info & OBJC_CLASS_INFO_INITIALIZED)) {
Class class = (isClass
? (Class)object : object_getClass(object));
objc_initialize_class(class);
objc_initializeClass(class);
if (!(class->info & OBJC_CLASS_INFO_SETUP))
OBJC_ERROR("Could not dispatch message for incomplete "
"class %s!", class_getName(class));
OBJC_ERROR("Could not dispatch message %s for "
"incomplete class %s!",
sel_getName(selector), class_getName(class));
/*
* We don't need to handle the case that super was called.
* The reason for this is that a call to super is not possible
* before a message to the class has been sent and it thus has
* been initialized together with its superclasses.
*/
|
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
-
+
-
+
-
+
|
OBJC_ERROR("Selector %c[%s] is not implemented for class %s!",
(isClass ? '+' : '-'), sel_getName(selector),
object_getClassName(object));
}
IMP
objc_method_not_found(id object, SEL selector)
objc_methodNotFound(id object, SEL selector)
{
return commonMethodNotFound(object, selector, objc_msg_lookup,
forwardHandler);
}
IMP
objc_method_not_found_stret(id object, SEL selector)
objc_methodNotFound_stret(id object, SEL selector)
{
return commonMethodNotFound(object, selector, objc_msg_lookup_stret,
stretForwardHandler);
}
void
objc_setForwardHandler(IMP forward, IMP stretForward)
{
forwardHandler = forward;
stretForwardHandler = stretForward;
}
bool
class_respondsToSelector(Class class, SEL selector)
{
if (class == Nil)
return false;
return (objc_dtable_get(class->DTable,
return (objc_dtable_get(class->dTable,
(uint32_t)selector->UID) != (IMP)0);
}
#ifndef OF_ASM_LOOKUP
static id
nilMethod(id self, SEL _cmd)
{
|