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t=1714993377; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5JZJZ30hoscIH0XNsfxJED2r8MoVXpLdGJjt1EwEL8U=; b=gVpOlkObevYITTEo+uQMi2s6mjjEpVRDlNzKt7/0njpdzRzvd90QKfhM29lUqefemN5lFB D2wsllPt301BFFaOqhL/ka9bGjYYp/hfuzyidmF0KFJomXfehEGC6qKcJOLt4Y6/UNodBt ZjJcbpbKlEvaH3DJs76olG5a6SctwnA= X-MC-Unique: G7oR9L_aOzWqLiVx15g5VQ-1 From: Markus Armbruster To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: [PULL 1/7] qapi: New QAPISchemaBranches, QAPISchemaAlternatives Date: Mon, 6 May 2024 13:02:41 +0200 Message-ID: <20240506110254.3965097-2-armbru@redhat.com> In-Reply-To: <20240506110254.3965097-1-armbru@redhat.com> References: <20240506110254.3965097-1-armbru@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1714993451544100001 Content-Type: text/plain; charset="utf-8" QAPISchemaVariants represents either a union type's branches, or an alternate type's alternatives. Much of its code is conditional on which one it actually is. Create QAPISchemaBranches for branches, and QAPISchemaAlternatives for alternatives, both subtypes of QAPISchemaVariants. Replace QAPISchemaVariants by one of them where possible. Keep it only where we actually deal with either of them. QAPISchemaVariants.__init__() takes @tag_name and @tag_member, where exactly one must be None: @tag_name for alternatives, @tag_member for branches. Let QAPISchemaBranches.__init__() take just @tag_name, and QAPISchemaAlternatives.__init__() take just @tag_member. A later patch will move the conditional code to the subtypes. Signed-off-by: Markus Armbruster --- scripts/qapi/introspect.py | 7 ++++--- scripts/qapi/schema.py | 32 ++++++++++++++++++++++++-------- scripts/qapi/types.py | 6 ++++-- scripts/qapi/visit.py | 11 ++++++----- 4 files changed, 38 insertions(+), 18 deletions(-) diff --git a/scripts/qapi/introspect.py b/scripts/qapi/introspect.py index 4679b1bc2c..b866517942 100644 --- a/scripts/qapi/introspect.py +++ b/scripts/qapi/introspect.py @@ -26,6 +26,8 @@ from .gen import QAPISchemaMonolithicCVisitor from .schema import ( QAPISchema, + QAPISchemaAlternatives, + QAPISchemaBranches, QAPISchemaArrayType, QAPISchemaBuiltinType, QAPISchemaEntity, @@ -36,7 +38,6 @@ QAPISchemaObjectTypeMember, QAPISchemaType, QAPISchemaVariant, - QAPISchemaVariants, ) from .source import QAPISourceInfo =20 @@ -335,7 +336,7 @@ def visit_object_type_flat(self, name: str, info: Optio= nal[QAPISourceInfo], ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants]) -> = None: + variants: Optional[QAPISchemaBranches]) -> = None: obj: SchemaInfoObject =3D { 'members': [self._gen_object_member(m) for m in members] } @@ -347,7 +348,7 @@ def visit_object_type_flat(self, name: str, info: Optio= nal[QAPISourceInfo], def visit_alternate_type(self, name: str, info: Optional[QAPISourceInf= o], ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], - variants: QAPISchemaVariants) -> None: + variants: QAPISchemaAlternatives) -> None: self._gen_tree( name, 'alternate', {'members': [Annotated({'type': self._use_type(m.type)}, diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 5924947fc3..5cdedfc2c8 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -215,7 +215,7 @@ def visit_object_type( features: List[QAPISchemaFeature], base: Optional[QAPISchemaObjectType], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants], + variants: Optional[QAPISchemaBranches], ) -> None: pass =20 @@ -226,7 +226,7 @@ def visit_object_type_flat( ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants], + variants: Optional[QAPISchemaBranches], ) -> None: pass =20 @@ -236,7 +236,7 @@ def visit_alternate_type( info: Optional[QAPISourceInfo], ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], - variants: QAPISchemaVariants, + variants: QAPISchemaAlternatives, ) -> None: pass =20 @@ -524,7 +524,7 @@ def __init__( features: Optional[List[QAPISchemaFeature]], base: Optional[str], local_members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants], + variants: Optional[QAPISchemaBranches], ): # struct has local_members, optional base, and no variants # union has base, variants, and no local_members @@ -651,7 +651,7 @@ def __init__( doc: Optional[QAPIDoc], ifcond: Optional[QAPISchemaIfCond], features: List[QAPISchemaFeature], - variants: QAPISchemaVariants, + variants: QAPISchemaAlternatives, ): super().__init__(name, info, doc, ifcond, features) assert variants.tag_member @@ -833,6 +833,22 @@ def check_clash( v.type.check_clash(info, dict(seen)) =20 =20 +class QAPISchemaBranches(QAPISchemaVariants): + def __init__(self, + info: QAPISourceInfo, + variants: List[QAPISchemaVariant], + tag_name: str): + super().__init__(tag_name, info, None, variants) + + +class QAPISchemaAlternatives(QAPISchemaVariants): + def __init__(self, + info: QAPISourceInfo, + variants: List[QAPISchemaVariant], + tag_member: QAPISchemaObjectTypeMember): + super().__init__(None, info, tag_member, variants) + + class QAPISchemaMember: """ Represents object members, enum members and features """ role =3D 'member' @@ -1388,8 +1404,8 @@ def _def_union_type(self, expr: QAPIExpression) -> No= ne: self._def_definition( QAPISchemaObjectType(name, info, expr.doc, ifcond, features, base, members, - QAPISchemaVariants( - tag_name, info, None, variants))) + QAPISchemaBranches( + info, variants, tag_name))) =20 def _def_alternate_type(self, expr: QAPIExpression) -> None: name =3D expr['alternate'] @@ -1407,7 +1423,7 @@ def _def_alternate_type(self, expr: QAPIExpression) -= > None: self._def_definition( QAPISchemaAlternateType( name, info, expr.doc, ifcond, features, - QAPISchemaVariants(None, info, tag_member, variants))) + QAPISchemaAlternatives(info, variants, tag_member))) =20 def _def_command(self, expr: QAPIExpression) -> None: name =3D expr['command'] diff --git a/scripts/qapi/types.py b/scripts/qapi/types.py index c39d054d2c..23cdf3e83e 100644 --- a/scripts/qapi/types.py +++ b/scripts/qapi/types.py @@ -23,6 +23,8 @@ ) from .schema import ( QAPISchema, + QAPISchemaAlternatives, + QAPISchemaBranches, QAPISchemaEnumMember, QAPISchemaFeature, QAPISchemaIfCond, @@ -348,7 +350,7 @@ def visit_object_type(self, features: List[QAPISchemaFeature], base: Optional[QAPISchemaObjectType], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants]) -> None: + variants: Optional[QAPISchemaBranches]) -> None: # Nothing to do for the special empty builtin if name =3D=3D 'q_empty': return @@ -369,7 +371,7 @@ def visit_alternate_type(self, info: Optional[QAPISourceInfo], ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], - variants: QAPISchemaVariants) -> None: + variants: QAPISchemaAlternatives) -> None: with ifcontext(ifcond, self._genh): self._genh.preamble_add(gen_fwd_object_or_array(name)) self._genh.add(gen_object(name, ifcond, None, diff --git a/scripts/qapi/visit.py b/scripts/qapi/visit.py index a21b7b1468..990685498f 100644 --- a/scripts/qapi/visit.py +++ b/scripts/qapi/visit.py @@ -28,6 +28,8 @@ ) from .schema import ( QAPISchema, + QAPISchemaAlternatives, + QAPISchemaBranches, QAPISchemaEnumMember, QAPISchemaEnumType, QAPISchemaFeature, @@ -35,7 +37,6 @@ QAPISchemaObjectType, QAPISchemaObjectTypeMember, QAPISchemaType, - QAPISchemaVariants, ) from .source import QAPISourceInfo =20 @@ -63,7 +64,7 @@ def gen_visit_members_decl(name: str) -> str: def gen_visit_object_members(name: str, base: Optional[QAPISchemaObjectType], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants]) -> st= r: + variants: Optional[QAPISchemaBranches]) -> st= r: ret =3D mcgen(''' =20 bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **er= rp) @@ -222,7 +223,7 @@ def gen_visit_enum(name: str) -> str: c_name=3Dc_name(name)) =20 =20 -def gen_visit_alternate(name: str, variants: QAPISchemaVariants) -> str: +def gen_visit_alternate(name: str, variants: QAPISchemaAlternatives) -> st= r: ret =3D mcgen(''' =20 bool visit_type_%(c_name)s(Visitor *v, const char *name, @@ -393,7 +394,7 @@ def visit_object_type(self, features: List[QAPISchemaFeature], base: Optional[QAPISchemaObjectType], members: List[QAPISchemaObjectTypeMember], - variants: Optional[QAPISchemaVariants]) -> None: + variants: Optional[QAPISchemaBranches]) -> None: # Nothing to do for the special empty builtin if name =3D=3D 'q_empty': return @@ -413,7 +414,7 @@ def visit_alternate_type(self, info: Optional[QAPISourceInfo], ifcond: QAPISchemaIfCond, features: List[QAPISchemaFeature], - variants: QAPISchemaVariants) -> None: + variants: QAPISchemaAlternatives) -> None: with ifcontext(ifcond, self._genh, self._genc): self._genh.add(gen_visit_decl(name)) self._genc.add(gen_visit_alternate(name, variants)) --=20 2.44.0