From patchwork Fri Sep 19 22:25:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 391436 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 CDB40140161 for ; Sat, 20 Sep 2014 08:33:36 +1000 (EST) Received: from localhost ([::1]:60884 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XV6k9-0001gw-KX for incoming@patchwork.ozlabs.org; Fri, 19 Sep 2014 18:33:33 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43409) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XV6cd-0004Wb-3M for qemu-devel@nongnu.org; Fri, 19 Sep 2014 18:25:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XV6cV-0004cE-8p for qemu-devel@nongnu.org; Fri, 19 Sep 2014 18:25:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36197) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XV6cU-0004Ye-R4 for qemu-devel@nongnu.org; Fri, 19 Sep 2014 18:25:39 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s8JMPW7F021798 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 19 Sep 2014 18:25:32 -0400 Received: from red.redhat.com (ovpn-113-164.phx2.redhat.com [10.3.113.164]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s8JMPLPm007538; Fri, 19 Sep 2014 18:25:31 -0400 From: Eric Blake To: qemu-devel@nongnu.org Date: Fri, 19 Sep 2014 16:25:04 -0600 Message-Id: <1411165504-18198-20-git-send-email-eblake@redhat.com> In-Reply-To: <1411165504-18198-1-git-send-email-eblake@redhat.com> References: <1411165504-18198-1-git-send-email-eblake@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Luiz Capitulino , Fam Zheng , Markus Armbruster , wenchaoqemu@gmail.com Subject: [Qemu-devel] [PATCH v4 19/19] qapi: Drop support for inline subtypes 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 A future patch will be using a 'name':{dictionary} entry in the QAPI schema to specify a default value for an optional argument; but existing use of inline substructs conflicts with that goal. Now that all commands have been fixed to avoid inline substructs, nuke support for them, and turn it into a hard error. Update the testsuite to reflect tighter parsing rules. Signed-off-by: Eric Blake --- scripts/qapi-commands.py | 8 +++--- scripts/qapi-event.py | 4 +-- scripts/qapi-types.py | 9 ++----- scripts/qapi-visit.py | 37 ++++------------------------ scripts/qapi.py | 18 +++++--------- tests/qapi-schema/event-nest-struct.err | 2 +- tests/qapi-schema/nested-struct-data.err | 1 + tests/qapi-schema/nested-struct-data.exit | 2 +- tests/qapi-schema/nested-struct-data.json | 2 +- tests/qapi-schema/nested-struct-data.out | 3 --- tests/qapi-schema/nested-struct-returns.err | 1 + tests/qapi-schema/nested-struct-returns.exit | 2 +- tests/qapi-schema/nested-struct-returns.json | 2 +- tests/qapi-schema/nested-struct-returns.out | 3 --- 14 files changed, 26 insertions(+), 68 deletions(-) diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py index 053ba85..db81044 100644 --- a/scripts/qapi-commands.py +++ b/scripts/qapi-commands.py @@ -28,7 +28,7 @@ def type_visitor(name): def generate_command_decl(name, args, ret_type): arglist="" - for argname, argtype, optional, structured in parse_args(args): + for argname, argtype, optional in parse_args(args): argtype = c_type(argtype, is_param=True) if optional: arglist += "bool has_%s, " % c_var(argname) @@ -53,7 +53,7 @@ def gen_sync_call(name, args, ret_type, indent=0): retval="" if ret_type: retval = "retval = " - for argname, argtype, optional, structured in parse_args(args): + for argname, argtype, optional in parse_args(args): if optional: arglist += "has_%s, " % c_var(argname) arglist += "%s, " % (c_var(argname)) @@ -96,7 +96,7 @@ Visitor *v; def gen_visitor_input_vars_decl(args): ret = "" push_indent() - for argname, argtype, optional, structured in parse_args(args): + for argname, argtype, optional in parse_args(args): if optional: ret += mcgen(''' bool has_%(argname)s = false; @@ -139,7 +139,7 @@ v = qapi_dealloc_get_visitor(md); v = qmp_input_get_visitor(mi); ''') - for argname, argtype, optional, structured in parse_args(args): + for argname, argtype, optional in parse_args(args): if optional: ret += mcgen(''' visit_optional(v, &has_%(c_name)s, "%(name)s", %(errp)s); diff --git a/scripts/qapi-event.py b/scripts/qapi-event.py index 601e307..47dc041 100644 --- a/scripts/qapi-event.py +++ b/scripts/qapi-event.py @@ -21,7 +21,7 @@ def _generate_event_api_name(event_name, params): l = len(api_name) if params: - for argname, argentry, optional, structured in parse_args(params): + for argname, argentry, optional in parse_args(params): if optional: api_name += "bool has_%s,\n" % c_var(argname) api_name += "".ljust(l) @@ -93,7 +93,7 @@ def generate_event_implement(api_name, event_name, params): """, event_name = event_name) - for argname, argentry, optional, structured in parse_args(params): + for argname, argentry, optional in parse_args(params): if optional: ret += mcgen(""" if (has_%(var)s) { diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py index b463232..5d0e6e7 100644 --- a/scripts/qapi-types.py +++ b/scripts/qapi-types.py @@ -63,18 +63,13 @@ typedef struct %(name)sList def generate_struct_fields(members): ret = '' - for argname, argentry, optional, structured in parse_args(members): + for argname, argentry, optional in parse_args(members): if optional: ret += mcgen(''' bool has_%(c_name)s; ''', c_name=c_var(argname)) - if structured: - push_indent() - ret += generate_struct({ "field": argname, "data": argentry}) - pop_indent() - else: - ret += mcgen(''' + ret += mcgen(''' %(c_type)s %(c_name)s; ''', c_type=c_type(argentry), c_name=c_var(argname)) diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index c129697..7674dd5 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -51,27 +51,6 @@ def generate_visit_struct_fields(name, field_prefix, fn_prefix, members, base = else: full_name = "%s_%s" % (name, fn_prefix) - for argname, argentry, optional, structured in parse_args(members): - if structured: - if not fn_prefix: - nested_fn_prefix = argname - else: - nested_fn_prefix = "%s_%s" % (fn_prefix, argname) - - nested_field_prefix = "%s%s." % (field_prefix, argname) - ret += generate_visit_struct_fields(name, nested_field_prefix, - nested_fn_prefix, argentry) - ret += mcgen(''' - -static void visit_type_%(full_name)s_field_%(c_name)s(Visitor *m, %(name)s **obj, Error **errp) -{ -''', - name=name, full_name=full_name, c_name=c_var(argname)) - ret += generate_visit_struct_body(full_name, argname, argentry) - ret += mcgen(''' -} -''') - if base: ret += generate_visit_implicit_struct(base) @@ -94,7 +73,7 @@ if (err) { c_prefix=c_var(field_prefix), type=type_name(base), c_name=c_var('base')) - for argname, argentry, optional, structured in parse_args(members): + for argname, argentry, optional in parse_args(members): if optional: ret += mcgen(''' visit_optional(m, &(*obj)->%(c_prefix)shas_%(c_name)s, "%(name)s", &err); @@ -104,18 +83,12 @@ if (!err && (*obj)->%(prefix)shas_%(c_name)s) { c_name=c_var(argname), name=argname) push_indent() - if structured: - ret += mcgen(''' -visit_type_%(full_name)s_field_%(c_name)s(m, obj, &err); -''', - full_name=full_name, c_name=c_var(argname)) - else: - ret += mcgen(''' + ret += mcgen(''' visit_type_%(type)s(m, &(*obj)->%(c_prefix)s%(c_name)s, "%(name)s", &err); ''', - c_prefix=c_var(field_prefix), prefix=field_prefix, - type=type_name(argentry), c_name=c_var(argname), - name=argname) + c_prefix=c_var(field_prefix), prefix=field_prefix, + type=type_name(argentry), c_name=c_var(argname), + name=argname) if optional: pop_indent() diff --git a/scripts/qapi.py b/scripts/qapi.py index 15972c6..17fca28 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -300,10 +300,12 @@ def check_type(expr_info, source, data, allow_array = False, raise QAPIExprError(expr_info, "%s should be a type name" % source) for (key, value) in data.items(): + # Todo: allow dictionaries to represent default values of + # an optional argument. check_type(expr_info, "member '%s' of %s" % (key, source), value, allow_array=True, allowed_names=['built-in', 'union', 'struct', 'enum'], - allow_dict=True, allow_star=allow_star) + allow_dict=False, allow_star=allow_star) def check_command(expr, expr_info): global commands @@ -335,13 +337,6 @@ def check_event(expr, expr_info): events.append(name) check_type(expr_info, "'data' for event '%s'" % name, expr.get('data'), allowed_names=['union', 'struct']) - if params: - for argname, argentry, optional, structured in parse_args(params): - if structured: - raise QAPIExprError(expr_info, - "Nested structure define in event is not " - "supported, event '%s', argname '%s'" - % (expr['event'], argname)) def check_union(expr, expr_info): name = expr['union'] @@ -537,13 +532,12 @@ def parse_args(typeinfo): argname = member argentry = typeinfo[member] optional = False - structured = False if member.startswith('*'): argname = member[1:] optional = True - if isinstance(argentry, OrderedDict): - structured = True - yield (argname, argentry, optional, structured) + # Todo: allow argentry to be OrderedDict, for providing the + # value of an optional argument. + yield (argname, argentry, optional) def de_camel_case(name): new_name = '' diff --git a/tests/qapi-schema/event-nest-struct.err b/tests/qapi-schema/event-nest-struct.err index 91bde1c..f17fbb7 100644 --- a/tests/qapi-schema/event-nest-struct.err +++ b/tests/qapi-schema/event-nest-struct.err @@ -1 +1 @@ -tests/qapi-schema/event-nest-struct.json:1: Nested structure define in event is not supported, event 'EVENT_A', argname 'a' +tests/qapi-schema/event-nest-struct.json:1: member 'a' of 'data' for event 'EVENT_A' should be a type name diff --git a/tests/qapi-schema/nested-struct-data.err b/tests/qapi-schema/nested-struct-data.err index e69de29..1fc6687 100644 --- a/tests/qapi-schema/nested-struct-data.err +++ b/tests/qapi-schema/nested-struct-data.err @@ -0,0 +1 @@ +tests/qapi-schema/nested-struct-data.json:2: member 'a' of 'data' for command 'foo' should be a type name diff --git a/tests/qapi-schema/nested-struct-data.exit b/tests/qapi-schema/nested-struct-data.exit index 573541a..d00491f 100644 --- a/tests/qapi-schema/nested-struct-data.exit +++ b/tests/qapi-schema/nested-struct-data.exit @@ -1 +1 @@ -0 +1 diff --git a/tests/qapi-schema/nested-struct-data.json b/tests/qapi-schema/nested-struct-data.json index 0247c8c..3d52d2b 100644 --- a/tests/qapi-schema/nested-struct-data.json +++ b/tests/qapi-schema/nested-struct-data.json @@ -1,4 +1,4 @@ -# FIXME: inline subtypes collide with our desired future use of defaults +# inline subtypes collide with our desired future use of defaults { 'command': 'foo', 'data': { 'a' : { 'string' : 'str', 'integer': 'int' }, 'b' : 'str' }, 'returns': {} } diff --git a/tests/qapi-schema/nested-struct-data.out b/tests/qapi-schema/nested-struct-data.out index 999cbb8..e69de29 100644 --- a/tests/qapi-schema/nested-struct-data.out +++ b/tests/qapi-schema/nested-struct-data.out @@ -1,3 +0,0 @@ -[OrderedDict([('command', 'foo'), ('data', OrderedDict([('a', OrderedDict([('string', 'str'), ('integer', 'int')])), ('b', 'str')])), ('returns', OrderedDict())])] -[] -[] diff --git a/tests/qapi-schema/nested-struct-returns.err b/tests/qapi-schema/nested-struct-returns.err index e69de29..f34bd92 100644 --- a/tests/qapi-schema/nested-struct-returns.err +++ b/tests/qapi-schema/nested-struct-returns.err @@ -0,0 +1 @@ +tests/qapi-schema/nested-struct-returns.json:2: member 'a' of 'returns' for command 'foo' should be a type name diff --git a/tests/qapi-schema/nested-struct-returns.exit b/tests/qapi-schema/nested-struct-returns.exit index 573541a..d00491f 100644 --- a/tests/qapi-schema/nested-struct-returns.exit +++ b/tests/qapi-schema/nested-struct-returns.exit @@ -1 +1 @@ -0 +1 diff --git a/tests/qapi-schema/nested-struct-returns.json b/tests/qapi-schema/nested-struct-returns.json index 5a46840..d2cd047 100644 --- a/tests/qapi-schema/nested-struct-returns.json +++ b/tests/qapi-schema/nested-struct-returns.json @@ -1,3 +1,3 @@ -# FIXME: inline subtypes collide with our desired future use of defaults +# inline subtypes collide with our desired future use of defaults { 'command': 'foo', 'returns': { 'a' : { 'string' : 'str', 'integer': 'int' }, 'b' : 'str' } } diff --git a/tests/qapi-schema/nested-struct-returns.out b/tests/qapi-schema/nested-struct-returns.out index c53d23b..e69de29 100644 --- a/tests/qapi-schema/nested-struct-returns.out +++ b/tests/qapi-schema/nested-struct-returns.out @@ -1,3 +0,0 @@ -[OrderedDict([('command', 'foo'), ('returns', OrderedDict([('a', OrderedDict([('string', 'str'), ('integer', 'int')])), ('b', 'str')]))])] -[] -[]