Method custom_classfunc_rule

uncompyle6/parsers/parse35.py:233–284

(self, opname, token, customize, *args)

        return

    def custom_classfunc_rule(self, opname, token, customize, *args):
        args_pos, args_kw = self.get_pos_kw(token)

        # Additional exprs for * and ** args:
        #  0 if neither
        #  1 for CALL_FUNCTION_VAR or CALL_FUNCTION_KW
        #  2 for * and ** args (CALL_FUNCTION_VAR_KW).
        # Yes, this computation based on instruction name is a little bit hoaky.
        nak = (len(opname) - len("CALL_FUNCTION")) // 3
        uniq_param = args_kw + args_pos

        if frozenset(("GET_AWAITABLE", "YIELD_FROM")).issubset(self.seen_ops):
            rule = (
                "async_call ::= expr "
                + ("pos_arg " * args_pos)
                + ("kwarg " * args_kw)
                + "expr " * nak
                + token.kind
                + " GET_AWAITABLE LOAD_CONST YIELD_FROM"
            )
            self.add_unique_rule(rule, token.kind, uniq_param, customize)
            self.add_unique_rule(
                "expr ::= async_call", token.kind, uniq_param, customize
            )

        if opname.startswith("CALL_FUNCTION_VAR"):
            # Python 3.5 changes the stack position of *args. KW args come
            # after *args.

            # Note: Python 3.6+ replaces CALL_FUNCTION_VAR and
            # CALL_FUNCTION_VAR_KW with CALL_FUNCTION_EX

            token.kind = self.call_fn_name(token)
            if opname.endswith("KW"):
                kw = "expr "
            else:
                kw = ""
            rule = (
                "call ::= expr expr "
                + ("pos_arg " * args_pos)
                + ("kwarg " * args_kw)
                + kw
                + token.kind
            )

            # Note: semantic actions make use of the fact of whether  "args_pos"
            # zero or not in creating a template rule.
            self.add_unique_rule(rule, token.kind, args_pos, customize)
        else:
            super(Python35Parser, self).custom_classfunc_rule(
                opname, token, customize, *args
            )


class Python35ParserSingle(Python35Parser, PythonParserSingle):