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-rw-r--r--Objective-C/libobjcl.m5
1 files changed, 5 insertions, 0 deletions
diff --git a/Objective-C/libobjcl.m b/Objective-C/libobjcl.m
index d89693a..7dc5de2 100644
--- a/Objective-C/libobjcl.m
+++ b/Objective-C/libobjcl.m
@@ -299,6 +299,11 @@ objcl_invoke_with_types (void *receiver,
method = objc_msg_lookup (receiver, method_selector);
#endif
+ if (method == NULL)
+ [[NSException exceptionWithName: @"MLKNoApplicableMethod"
+ reason: @"Tried to call a non-existent method."
+ userInfo: nil] raise];
+
return_type = objcl_pyobjc_signature_to_ffi_return_type (return_typespec);
arg_types[0] = id_type;
arg_types[1] = sel_type;