From patchwork Thu Feb 25 16:43:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Llu=C3=ADs_Vilanova?= X-Patchwork-Id: 8424991 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 86230C0553 for ; Thu, 25 Feb 2016 16:43:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F2CA12035E for ; Thu, 25 Feb 2016 16:43:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4DD4820361 for ; Thu, 25 Feb 2016 16:43:25 +0000 (UTC) Received: from localhost ([::1]:44405 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYz0e-0007e1-N3 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 25 Feb 2016 11:43:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37230) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYz0N-0007Wy-90 for qemu-devel@nongnu.org; Thu, 25 Feb 2016 11:43:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYz0M-0001cn-FZ for qemu-devel@nongnu.org; Thu, 25 Feb 2016 11:43:07 -0500 Received: from roura.ac.upc.edu ([147.83.33.10]:54035 helo=roura.ac.upc.es) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYz0M-0001cT-3m for qemu-devel@nongnu.org; Thu, 25 Feb 2016 11:43:06 -0500 Received: from gw-3.ac.upc.es (gw-3.ac.upc.es [147.83.30.9]) by roura.ac.upc.es (8.13.8/8.13.8) with ESMTP id u1PGh4IQ002316; Thu, 25 Feb 2016 17:43:05 +0100 Received: from localhost (unknown [84.88.51.85]) by gw-3.ac.upc.es (Postfix) with ESMTPSA id C46961F3; Thu, 25 Feb 2016 17:43:04 +0100 (CET) From: =?utf-8?b?TGx1w61z?= Vilanova To: qemu-devel@nongnu.org Date: Thu, 25 Feb 2016 17:43:04 +0100 Message-Id: <145641858432.30295.3069911069472672646.stgit@localhost> X-Mailer: git-send-email 2.7.0 In-Reply-To: <145641857632.30295.407142116443473458.stgit@localhost> References: <145641857632.30295.407142116443473458.stgit@localhost> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-MIME-Autoconverted: from 8bit to quoted-printable by roura.ac.upc.es id u1PGh4IQ002316 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 147.83.33.10 Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Eduardo Habkost , Stefan Hajnoczi Subject: [Qemu-devel] [PATCH v9 1/7] trace: Extend API to manage event arguments X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Lets the user manage event arguments as a list, and simplifies argument concatenation. Signed-off-by: Lluís Vilanova Reviewed-by: Eric Blake --- scripts/tracetool/__init__.py | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index 181675f..0663e7f 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -50,9 +50,14 @@ class Arguments: Parameters ---------- args : - List of (type, name) tuples. + List of (type, name) tuples or Arguments objects. """ - self._args = args + self._args = [] + for arg in args: + if isinstance(arg, Arguments): + self._args.extend(arg._args) + else: + self._args.append(arg) def copy(self): """Create a new copy.""" @@ -83,6 +88,12 @@ class Arguments: res.append((arg_type, identifier)) return Arguments(res) + def __getitem__(self, index): + if isinstance(index, slice): + return Arguments(self._args[index]) + else: + return self._args[index] + def __iter__(self): """Iterate over the (type, name) pairs.""" return iter(self._args)