private static IntPtr ImplementStaticMethod (IntPtr cls, IntPtr sel, VarargStack stack) {
try {
if (!ClassesRegistered.Contains (cls))
return IntPtr.Zero;
ArrayList arguments = new ArrayList ();
Type type = (Type) ClassesRegistered [cls];
string selector = Marshal.PtrToStringAuto (sel);
Type [] argumentTypes = ArgumentTypesForCall (class_getClassMethod (cls, sel));
MethodInfo method = type.GetMethod (SelectorToMethod (selector, type), BindingFlags.Static | BindingFlags.Public, null, argumentTypes, null);
unsafe {
int argptr = (int)&sel+4;
foreach (ParameterInfo parameter in method.GetParameters ()) {
if (parameter.ParameterType.IsPrimitive || parameter.ParameterType.IsValueType) {
arguments.Add (Marshal.PtrToStructure ((IntPtr)argptr, parameter.ParameterType));
} else {
if (parameter.ParameterType == typeof (string))
arguments.Add (Marshal.PtrToStringAuto (Marshal.ReadIntPtr ((IntPtr)argptr)));
else {
IntPtr objectptr = Marshal.ReadIntPtr ((IntPtr)argptr);
if (ManagedInstances.Contains (objectptr))
arguments.Add (ManagedInstances [objectptr]);
else {
IntPtr objccls = (IntPtr) ObjCMessaging.objc_msgSend (objectptr, "class", typeof (IntPtr));
if (!NativeClasses.Contains (objccls))
NativeClasses [objccls] = AddTypeForClass ((string) ObjCMessaging.objc_msgSend ((IntPtr) ObjCMessaging.objc_msgSend (objccls, "className", typeof (IntPtr)), "cString", typeof (string)));
object o = ((Type) NativeClasses [objccls]).GetConstructor (BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, new Type [] { typeof (IntPtr) }, null).Invoke (new object [] { objectptr });
ManagedInstances [objectptr] = o;
NativeInstances [o] = objectptr;
arguments.Add (o);
}
}
}
argptr += Marshal.SizeOf (typeof (IntPtr));
}
}
object return_value = type.InvokeMember (SelectorToMethod (selector, type), BindingFlags.Static | BindingFlags.InvokeMethod, null, null, (object [])arguments.ToArray (typeof (object)));
return ManagedToNative (return_value);
} catch (TargetInvocationException e) {
IntPtr nsex = objc_getClass ("NSException");
IntPtr nsstr = objc_getClass ("NSString");
IntPtr nm = (IntPtr) ObjCMessaging.objc_msgSend (nsstr, "stringWithUTF8String:", typeof (IntPtr), typeof (string), e.InnerException.GetType ().ToString ());
IntPtr rsn = (IntPtr) ObjCMessaging.objc_msgSend (nsstr, "stringWithUTF8String:", typeof (IntPtr), typeof (string), e.InnerException.ToString ());
IntPtr ex = (IntPtr) ObjCMessaging.objc_msgSend (nsex, "exceptionWithName:reason:userInfo:", typeof (IntPtr), typeof (IntPtr), nm, typeof (IntPtr), rsn, typeof (IntPtr), IntPtr.Zero);
ObjCMessaging.objc_msgSend (ex, "raise", typeof (void));
throw new Exception ("ImplementMethod post NSException should never be reached");
} catch (Exception e) {
IntPtr nsex = objc_getClass ("NSException");
IntPtr nsstr = objc_getClass ("NSString");
IntPtr nm = (IntPtr) ObjCMessaging.objc_msgSend (nsstr, "stringWithUTF8String:", typeof (IntPtr), typeof (string), e.GetType ().ToString ());
IntPtr rsn = (IntPtr) ObjCMessaging.objc_msgSend (nsstr, "stringWithUTF8String:", typeof (IntPtr), typeof (string), e.ToString ());
IntPtr ex = (IntPtr) ObjCMessaging.objc_msgSend (nsex, "exceptionWithName:reason:userInfo:", typeof (IntPtr), typeof (IntPtr), nm, typeof (IntPtr), rsn, typeof (IntPtr), IntPtr.Zero);
ObjCMessaging.objc_msgSend (ex, "raise", typeof (void));
throw new Exception ("ImplementMethod post NSException should never be reached");
}
}
private static IntPtr ConstructObject (IntPtr cls, IntPtr sel, VarargStack stack) {
if (!ClassesRegistered.Contains (cls))
return IntPtr.Zero;
ArrayList arguments = new ArrayList ();
Type type = (Type) ClassesRegistered [cls];
Type [] argumentTypes = ArgumentTypesForCall (class_getClassMethod (cls, sel));
if (argumentTypes.Length == 0)
argumentTypes = new Type [0];
ConstructorInfo constructor = type.GetConstructor (BindingFlags.Instance | BindingFlags.Public, null, argumentTypes, null);
unsafe {
int argptr = (int)&sel+4;
foreach (ParameterInfo parameter in constructor.GetParameters ()) {
if (parameter.ParameterType.IsPrimitive || parameter.ParameterType.IsValueType) {
if (type.IsSubclassOf (typeof (Delegate)) && parameter.ParameterType == typeof (IntPtr)) {
// This is a magic case; we know that the target is on arguments [0];
object target = arguments [0];
string selector = Marshal.PtrToStringAuto (Marshal.ReadIntPtr ((IntPtr)argptr));
MethodInfo target_method = target.GetType ().GetMethod (SelectorToMethod (selector, target.GetType ()));
arguments.Add (MethodInfoToFtnptr (target_method));
} else
arguments.Add (Marshal.PtrToStructure ((IntPtr)argptr, parameter.ParameterType));
} else {
if (parameter.ParameterType == typeof (string))
arguments.Add (Marshal.PtrToStringAuto (Marshal.ReadIntPtr ((IntPtr)argptr)));
else {
IntPtr objectptr = Marshal.ReadIntPtr ((IntPtr)argptr);
if (ManagedInstances.Contains (objectptr))
arguments.Add (ManagedInstances [objectptr]);
else {
IntPtr objccls = (IntPtr) ObjCMessaging.objc_msgSend (objectptr, "class", typeof (IntPtr));
if (!NativeClasses.Contains (objccls))
NativeClasses [objccls] = AddTypeForClass ((string) ObjCMessaging.objc_msgSend ((IntPtr) ObjCMessaging.objc_msgSend (objccls, "className", typeof (IntPtr)), "cString", typeof (string)));
object o = ((Type) NativeClasses [objccls]).GetConstructor (BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, new Type [] { typeof (IntPtr) }, null).Invoke (new object [] { objectptr });
ManagedInstances [objectptr] = o;
NativeInstances [o] = objectptr;
arguments.Add (o);
}
}
}
argptr += Marshal.SizeOf (typeof (IntPtr));
}
}
object return_value = constructor.Invoke ((object [])arguments.ToArray (typeof (object)));
IntPtr native_object = (IntPtr) ObjCMessaging.objc_msgSend (cls, "alloc", typeof (IntPtr));
ManagedInstances [native_object] = return_value;
NativeInstances [return_value] = native_object;
return native_object;
}