def record_delegate_standalone_func_impl(self, graph):
"""
Creates a class with an invoke() method that invokes the given
graph. This object can be used as a function pointer. It
will extend the appropriate delegate for the graph's
signature.
"""
jargtypes, jrettype = self.types_for_graph(graph)
super_class = self.record_delegate_sig(jargtypes, jrettype)
pfunc = self.pending_function(graph)
implnm = self._pkg(self._uniq(graph.name + '_delegate'))
n = node.StaticMethodImplementation(implnm, super_class, None, pfunc)
self.pending_node(n)
return n
def record_delegate_bound_method_impl(self, INSTANCE, method_name):
"""
Creates an object with an invoke() method which invokes
a method named method_name on an instance of INSTANCE.
"""
key = (INSTANCE, method_name)
if key in self._bound_methods:
return self._bound_methods[key]
METH_TYPE = INSTANCE._lookup(method_name)[1]._TYPE
super_class = self.record_delegate(METH_TYPE)
self_class = self.lltype_to_cts(INSTANCE)
mthd_obj = self_class.lookup_method(method_name)
implnm = self._pkg(self._uniq(
self_class.simple_name()+"_"+method_name+"_delegate"))
n = self._bound_methods[key] = node.StaticMethodImplementation(
implnm, super_class, self_class, mthd_obj)
self.pending_node(n)
return n