From patchwork Thu Feb 20 05:54:50 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wayne Xia X-Patchwork-Id: 322065 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id A71602C0352 for ; Thu, 20 Feb 2014 16:56:14 +1100 (EST) Received: from localhost ([::1]:36344 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGMcG-0006LX-JY for incoming@patchwork.ozlabs.org; Thu, 20 Feb 2014 00:56:12 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50355) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGMbY-00057u-AB for qemu-devel@nongnu.org; Thu, 20 Feb 2014 00:55:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WGMbN-00016W-IC for qemu-devel@nongnu.org; Thu, 20 Feb 2014 00:55:28 -0500 Received: from e28smtp08.in.ibm.com ([122.248.162.8]:46043) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGMbN-00016O-08 for qemu-devel@nongnu.org; Thu, 20 Feb 2014 00:55:17 -0500 Received: from /spool/local by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 20 Feb 2014 11:25:12 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 6259C394005A for ; Thu, 20 Feb 2014 11:25:12 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1K5t4jA66126076 for ; Thu, 20 Feb 2014 11:25:04 +0530 Received: from d28av02.in.ibm.com (localhost [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1K5tBWb002158 for ; Thu, 20 Feb 2014 11:25:12 +0530 Received: from RH64wenchao ([9.181.129.59]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s1K5t1dj001640; Thu, 20 Feb 2014 11:25:10 +0530 From: Wenchao Xia To: qemu-devel@nongnu.org Date: Thu, 20 Feb 2014 00:54:50 -0500 Message-Id: <1392875695-15627-7-git-send-email-xiawenc@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1392875695-15627-1-git-send-email-xiawenc@linux.vnet.ibm.com> References: <1392875695-15627-1-git-send-email-xiawenc@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14022005-2000-0000-0000-00000FCF1016 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 122.248.162.8 Cc: kwolf@redhat.com, mdroth@linux.vnet.ibm.com, armbru@redhat.com, lcapitulino@redhat.com, Wenchao Xia Subject: [Qemu-devel] [PATCH V7 06/11] qapi script: use same function to generate enum string 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Prior to this patch, qapi-visit.py used custom code to generate enum names used for handling a qapi union. Fix it to instead reuse common code, with identical generated results, and allowing future updates to generation to only need to touch one place. Signed-off-by: Wenchao Xia Reviewed-by: Eric Blake --- scripts/qapi-types.py | 6 +++--- scripts/qapi-visit.py | 21 +++++++++++++++------ scripts/qapi.py | 15 +++++++++++---- 3 files changed, 29 insertions(+), 13 deletions(-) diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py index 35ad993..656a9a0 100644 --- a/scripts/qapi-types.py +++ b/scripts/qapi-types.py @@ -144,11 +144,11 @@ typedef enum %(name)s i = 0 for value in enum_values: + enum_full_value_string = generate_enum_full_value_string(name, value) enum_decl += mcgen(''' - %(abbrev)s_%(value)s = %(i)d, + %(enum_full_value_string)s = %(i)d, ''', - abbrev=de_camel_case(name).upper(), - value=generate_enum_name(value), + enum_full_value_string=enum_full_value_string, i=i) i += 1 diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index c6de9ae..87e6df7 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -214,18 +214,23 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error ** ''', name=name) + # For anon union, always use the default enum type automatically generated + # as "'%sKind' % (name)" + discriminator_type_name = '%sKind' % (name) + for key in members: assert (members[key] in builtin_types or find_struct(members[key]) or find_union(members[key])), "Invalid anonymous union member" + enum_full_value_string = \ + generate_enum_full_value_string(discriminator_type_name, key) ret += mcgen(''' - case %(abbrev)s_KIND_%(enum)s: + case %(enum_full_value_string)s: visit_type_%(c_type)s(m, &(*obj)->%(c_name)s, name, &err); break; ''', - abbrev = de_camel_case(name).upper(), - enum = c_fun(de_camel_case(key),False).upper(), + enum_full_value_string = enum_full_value_string, c_type = type_name(members[key]), c_name = c_fun(key)) @@ -255,7 +260,10 @@ def generate_visit_union(expr): assert not base return generate_visit_anon_union(name, members) + # There will always be a discriminator in the C switch code, by default it + # is an enum type generated silently as "'%sKind' % (name)" ret = generate_visit_enum('%sKind' % name, members.keys()) + discriminator_type_name = '%sKind' % (name) if base: base_fields = find_struct(base)['data'] @@ -313,13 +321,14 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error ** visit_end_implicit_struct(m, &err); }''' + enum_full_value_string = \ + generate_enum_full_value_string(discriminator_type_name, key) ret += mcgen(''' - case %(abbrev)s_KIND_%(enum)s: + case %(enum_full_value_string)s: ''' + fmt + ''' break; ''', - abbrev = de_camel_case(name).upper(), - enum = c_fun(de_camel_case(key),False).upper(), + enum_full_value_string = enum_full_value_string, c_type=type_name(members[key]), c_name=c_fun(key)) diff --git a/scripts/qapi.py b/scripts/qapi.py index c334ad3..130dced 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -468,12 +468,19 @@ def guardend(name): ''', name=guardname(name)) -def generate_enum_name(name): - if name.isupper(): - return c_fun(name, False) +def _generate_enum_value_string(value): + if value.isupper(): + return c_fun(value, False) new_name = '' - for c in c_fun(name, False): + for c in c_fun(value, False): if c.isupper(): new_name += '_' new_name += c return new_name.lstrip('_').upper() + +def generate_enum_full_value_string(enum_name, enum_value): + # generate abbrev string + abbrev_string = de_camel_case(enum_name).upper() + # generate value string + value_string = _generate_enum_value_string(enum_value) + return "%s_%s" % (abbrev_string, value_string)