From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B76AC433E0 for ; Tue, 23 Feb 2021 12:44:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3512364E60 for ; Tue, 23 Feb 2021 12:44:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3512364E60 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56454 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lEX3Q-0000I2-CW for qemu-devel@archiver.kernel.org; Tue, 23 Feb 2021 07:44:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42046) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lEX2n-0008JJ-L9 for qemu-devel@nongnu.org; Tue, 23 Feb 2021 07:44:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:40773) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lEX2m-0005Ou-20 for qemu-devel@nongnu.org; Tue, 23 Feb 2021 07:44:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614084239; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vydxTNXd6dn7arX6agUk0s9Z+TtMa9H3g+11F1yYhVU=; b=Iih6jTiv20uUE4ohcnXB2mJEl7I43URi/Op1FCsEHLFUFnL0PW8Y9Ye7XgbeXfpYArtoZZ ApQ0WbC0HbsPJtrlOW1+5v4LzuBvMmk9cExvuzpgkEs/bWR40yyIKPsficIfuhr3ONgr03 jXJ6Tp8kDC9bZ2aHP9PQ8ADZ53J8qAw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-532-CZ_KlHSbPiivCuBLtwySuQ-1; Tue, 23 Feb 2021 07:43:57 -0500 X-MC-Unique: CZ_KlHSbPiivCuBLtwySuQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 50C4EC292; Tue, 23 Feb 2021 12:43:56 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-115-79.ams2.redhat.com [10.36.115.79]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 14F9B60C17; Tue, 23 Feb 2021 12:43:51 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 957F1113860F; Tue, 23 Feb 2021 13:43:49 +0100 (CET) From: Markus Armbruster To: Peter Maydell Subject: Re: A brief look at deprecating our JSON extensions over RFC 8259 References: <875z2knoa5.fsf@dusky.pond.sub.org> <87o8gbf7uc.fsf@dusky.pond.sub.org> Date: Tue, 23 Feb 2021 13:43:49 +0100 In-Reply-To: (Peter Maydell's message of "Tue, 23 Feb 2021 11:03:19 +0000") Message-ID: <87sg5nc5tm.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=63.128.21.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Libvirt , Paolo Bonzini , John Snow , "Daniel P. =?utf-8?Q?Berrang=C3=A9?=" , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Peter Maydell writes: > On Tue, 23 Feb 2021 at 09:33, Markus Armbruster wrote: >> Misunderstanding: our JSON interpolation feature is *not* string >> interpolation! It interpolates *objects* into the QObject built by the >> parser. > > Given that it's basically undocumented except in a scattered > handful of comments inside the qjson parser implementation, it's > not too surprising that people misunderstand it :-) Yes, that's fair. I added a fair amount of commentary, but it's heavily geared towards maintainers, not users. > (One surprising > feature: the parser takes ownership of the object that you pass it > via the '%p' interpolation, and will qobject_unref() it.) Yes, %p takes over the reference.