def call(self, node, _, args): result = self.vm.program.NewVariable() num_args = len(args.posargs) if 1 <= num_args and num_args <= 2: super_objects = args.posargs[1].bindings if num_args == 2 else [ None ] for cls in args.posargs[0].bindings: if not isinstance( cls.data, (abstract.Class, abstract.AMBIGUOUS_OR_EMPTY)): bad = abstract.BadParam(name="cls", expected=self.vm.convert.type_type) raise abstract.WrongArgTypes(self._SIGNATURE, args, self.vm, bad_param=bad) for obj in super_objects: if obj: result.AddBinding( SuperInstance(cls.data, obj.data, self.vm), [cls, obj], node) else: result.AddBinding( SuperInstance(cls.data, None, self.vm), [cls], node) else: raise abstract.WrongArgCount(self._SIGNATURE, args, self.vm) return node, result
def call(self, node, unused, args): if len(args.posargs) != 1: raise abstract.WrongArgCount(self._SIGNATURE, args, self.vm) cls_var = args.posargs[0] for b in cls_var.bindings: cls = b.data log.debug("Adding metaclass %r to class %r", self.meta.data[0], cls) cls.cls = self.meta return node, cls_var
def call(self, node, unused, args): if len(args.posargs) != 1: sig = function.Signature.from_param_names( "%s.add_metaclass" % self.module_name, ("cls", )) raise abstract.WrongArgCount(sig, args, self.vm) cls_var = args.posargs[0] for b in cls_var.bindings: cls = b.data log.debug("Adding metaclass %r to class %r", self.meta, cls) cls.cls = self.meta return node, cls_var
def call(self, node, _, args): result = self.vm.program.NewVariable() num_args = len(args.posargs) if num_args == 0 and self.vm.PY3: # The implicit type argument is available in a freevar named '__class__'. cls_var = None for i, free_var in enumerate(self.vm.frame.f_code.co_freevars): if free_var == abstract.BuildClass.CLOSURE_NAME: cls_var = self.vm.frame.cells[ len(self.vm.frame.f_code.co_cellvars) + i] break if not (cls_var and cls_var.bindings): self.vm.errorlog.invalid_super_call( self.vm.frames, message="Missing __class__ closure for super call.", details= "Is 'super' being called from a method defined in a class?" ) return node, self.vm.convert.create_new_unsolvable(node) # The implicit super object argument is the first positional argument to # the function calling 'super'. self_arg = self.vm.frame.first_posarg if not self_arg: self.vm.errorlog.invalid_super_call( self.vm.frames, message="Missing 'self' argument to 'super' call.") return node, self.vm.convert.create_new_unsolvable(node) super_objects = self_arg.bindings elif 1 <= num_args and num_args <= 2: cls_var = args.posargs[0] super_objects = args.posargs[1].bindings if num_args == 2 else [ None ] else: raise abstract.WrongArgCount(self._SIGNATURE, args, self.vm) for cls in cls_var.bindings: if not isinstance(cls.data, (abstract.Class, abstract.AMBIGUOUS_OR_EMPTY)): bad = abstract.BadParam(name="cls", expected=self.vm.convert.type_type) raise abstract.WrongArgTypes(self._SIGNATURE, args, self.vm, bad_param=bad) for obj in super_objects: if obj: result.AddBinding( SuperInstance(cls.data, obj.data, self.vm), [cls, obj], node) else: result.AddBinding(SuperInstance(cls.data, None, self.vm), [cls], node) return node, result
def call(self, node, funcv, args): if len(args.posargs) != 1: raise abstract.WrongArgCount(self._SIGNATURE, args, self.vm) arg = args.posargs[0] return node, ClassMethodInstance(self.vm, self, arg).to_variable(node)