From nobody Sun Feb 8 18:34:24 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69FF61E8821 for ; Mon, 18 Nov 2024 21:41:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731966078; cv=none; b=fQ6h0wAtA12ZWG9LtLu5/kl2NL0/8yfw0SSF/NrUSocN3KNXEwA76y+2DUjcbH8/daHb0csaWQdOBCPMSAKmoeXnkBZo6dRhN0jN+EmmUJ1Y1iqFeg0fTOUgyO3Tgcvz2tYu3Xt8rNTamS52uRULRKkw96vghXpGMZJ5JMikXeo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731966078; c=relaxed/simple; bh=9jmM3A4kv4i1p8BHzYN2KcQ+8Jhsx84dLmtKtiHkF6c=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=qqOVpWT1Vi0L3k21QsViev+hxiEBEHdqrTfGFOjLTfrWAiMmMuECjJO0Q+iP8aONtjx4I/PLR2plF4C5yD443wzVDWWx+Nd6/ztpjESxbnp/bZkpA9iPLXpiDmr/xMBZcj/5ZJ5x6ONsUatoO7ckBeik16EFyK4BNXok/wv71Vk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1B230C4CECC; Mon, 18 Nov 2024 21:41:18 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.98) (envelope-from ) id 1tD9VG-0000000DO69-1cc8; Mon, 18 Nov 2024 16:41:50 -0500 Message-ID: <20241118214150.235297619@goodmis.org> User-Agent: quilt/0.68 Date: Mon, 18 Nov 2024 16:41:27 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Tomas Glozar , John Kacur , Gabriele Monaco Subject: [for-next][PATCH 5/5] verification/dot2: Improve dot parser robustness References: <20241118214122.136581969@goodmis.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Gabriele Monaco This patch makes the dot parser used by dot2c and dot2k slightly more robust, namely: * allows parsing files with the gv extension (GraphViz) * correctly parses edges with any indentation * used to work only with a single character (e.g. '\t') Additionally it fixes a couple of warnings reported by pylint such as wrong indentation and comparison to False instead of `not ...` Link: https://lore.kernel.org/20241017064238.41394-2-gmonaco@redhat.com Signed-off-by: Gabriele Monaco Signed-off-by: Steven Rostedt (Google) --- tools/verification/dot2/automata.py | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/tools/verification/dot2/automata.py b/tools/verification/dot2/= automata.py index baffeb960ff0..bdeb98baa8b0 100644 --- a/tools/verification/dot2/automata.py +++ b/tools/verification/dot2/automata.py @@ -29,11 +29,11 @@ class Automata: =20 def __get_model_name(self): basename =3D ntpath.basename(self.__dot_path) - if basename.endswith(".dot") =3D=3D False: + if not basename.endswith(".dot") and not basename.endswith(".gv"): print("not a dot file") raise Exception("not a dot file: %s" % self.__dot_path) =20 - model_name =3D basename[0:-4] + model_name =3D ntpath.splitext(basename)[0] if model_name.__len__() =3D=3D 0: raise Exception("not a dot file: %s" % self.__dot_path) =20 @@ -68,9 +68,9 @@ class Automata: def __get_cursor_begin_events(self): cursor =3D 0 while self.__dot_lines[cursor].split()[0] !=3D "{node": - cursor +=3D 1 + cursor +=3D 1 while self.__dot_lines[cursor].split()[0] =3D=3D "{node": - cursor +=3D 1 + cursor +=3D 1 # skip initial state transition cursor +=3D 1 return cursor @@ -94,11 +94,11 @@ class Automata: initial_state =3D state[7:] else: states.append(state) - if self.__dot_lines[cursor].__contains__("doublecircle") = =3D=3D True: + if "doublecircle" in self.__dot_lines[cursor]: final_states.append(state) has_final_states =3D True =20 - if self.__dot_lines[cursor].__contains__("ellipse") =3D=3D= True: + if "ellipse" in self.__dot_lines[cursor]: final_states.append(state) has_final_states =3D True =20 @@ -110,7 +110,7 @@ class Automata: # Insert the initial state at the bein og the states states.insert(0, initial_state) =20 - if has_final_states =3D=3D False: + if not has_final_states: final_states.append(initial_state) =20 return states, initial_state, final_states @@ -120,7 +120,7 @@ class Automata: cursor =3D self.__get_cursor_begin_events() =20 events =3D [] - while self.__dot_lines[cursor][1] =3D=3D '"': + while self.__dot_lines[cursor].lstrip()[0] =3D=3D '"': # transitions have the format: # "all_fired" -> "both_fired" [ label =3D "disable_irq" ]; # ------------ event is here ------------^^^^^ @@ -161,7 +161,7 @@ class Automata: # and we are back! Let's fill the matrix cursor =3D self.__get_cursor_begin_events() =20 - while self.__dot_lines[cursor][1] =3D=3D '"': + while self.__dot_lines[cursor].lstrip()[0] =3D=3D '"': if self.__dot_lines[cursor].split()[1] =3D=3D "->": line =3D self.__dot_lines[cursor].split() origin_state =3D line[0].replace('"','').replace(',','_') --=20 2.45.2