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bh=C7yl0AfgHSgGLP6aV670HgQPmRa9Lqoz8sQ3s8sdUw0=; b=EJbC7/hMXS2s/tYjJukFILOz8l9XnSdxFJLP5fWrVbzChH6M8KX+1UEUpEqCOi0O/EWRtm k+u4vQyvV6TyDatihUyvEw40bc7gzgQpr1tUpFMyCzY+CfjfaXaOGRsRqGlNw9omJO41+/ QENEwIVmhhLHEE0f4K446Y2/tEu7TMg= X-MC-Unique: kQT3tL9dO_6oJLqVSSeyMw-1 From: John Snow To: qemu-devel@nongnu.org Cc: Peter Maydell , Michael Roth , Markus Armbruster , John Snow Subject: [PATCH v4 05/23] qapi: create QAPISchemaDefinition Date: Wed, 13 Mar 2024 00:41:09 -0400 Message-ID: <20240313044127.49089-6-jsnow@redhat.com> In-Reply-To: <20240313044127.49089-1-jsnow@redhat.com> References: <20240313044127.49089-1-jsnow@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 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=170.10.129.124; envelope-from=jsnow@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=-0.687, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1710305041643100002 Content-Type: text/plain; charset="utf-8" Include entities don't have names, but we generally expect "entities" to have names. Reclassify all entities with names as *definitions*, leaving the nameless include entities as QAPISchemaEntity instances. This is primarily to help simplify typing around expectations of what callers expect for properties of an "entity". Suggested-by: Markus Armbruster Signed-off-by: John Snow --- scripts/qapi/schema.py | 144 +++++++++++++++++++++++------------------ 1 file changed, 82 insertions(+), 62 deletions(-) diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 117f0f78f0c..da273c1649d 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -55,14 +55,13 @@ def is_present(self): =20 =20 class QAPISchemaEntity: - meta: Optional[str] =3D None + """ + A schema entity. =20 - def __init__(self, name: str, info, doc, ifcond=3DNone, features=3DNon= e): - assert name is None or isinstance(name, str) - for f in features or []: - assert isinstance(f, QAPISchemaFeature) - f.set_defined_in(name) - self.name =3D name + This is either a directive, such as include, or a definition. + The latter uses sub-class `QAPISchemaDefinition`. + """ + def __init__(self, info): self._module =3D None # For explicitly defined entities, info points to the (explicit) # definition. For builtins (and their arrays), info is None. @@ -70,33 +69,17 @@ def __init__(self, name: str, info, doc, ifcond=3DNone,= features=3DNone): # triggered the implicit definition (there may be more than one # such place). self.info =3D info - self.doc =3D doc - self._ifcond =3D ifcond or QAPISchemaIfCond() - self.features =3D features or [] self._checked =3D False =20 def __repr__(self): - if self.name is None: - return "<%s at 0x%x>" % (type(self).__name__, id(self)) - return "<%s:%s at 0x%x>" % (type(self).__name__, self.name, - id(self)) - - def c_name(self): - return c_name(self.name) + return "<%s at 0x%x>" % (type(self).__name__, id(self)) =20 def check(self, schema): # pylint: disable=3Dunused-argument - assert not self._checked - seen =3D {} - for f in self.features: - f.check_clash(self.info, seen) self._checked =3D True =20 def connect_doc(self, doc=3DNone): - doc =3D doc or self.doc - if doc: - for f in self.features: - doc.connect_feature(f) + pass =20 def _set_module(self, schema, info): assert self._checked @@ -107,6 +90,46 @@ def _set_module(self, schema, info): def set_module(self, schema): self._set_module(schema, self.info) =20 + def visit(self, visitor): + # pylint: disable=3Dunused-argument + assert self._checked + + +class QAPISchemaDefinition(QAPISchemaEntity): + meta: Optional[str] =3D None + + def __init__(self, name: str, info, doc, ifcond=3DNone, features=3DNon= e): + assert isinstance(name, str) + super().__init__(info) + for f in features or []: + assert isinstance(f, QAPISchemaFeature) + f.set_defined_in(name) + self.name =3D name + self.doc =3D doc + self._ifcond =3D ifcond or QAPISchemaIfCond() + self.features =3D features or [] + + def __repr__(self): + return "<%s:%s at 0x%x>" % (type(self).__name__, self.name, + id(self)) + + def c_name(self): + return c_name(self.name) + + def check(self, schema): + assert not self._checked + seen =3D {} + for f in self.features: + f.check_clash(self.info, seen) + super().check(schema) + + def connect_doc(self, doc=3DNone): + super().connect_doc(doc) + doc =3D doc or self.doc + if doc: + for f in self.features: + doc.connect_feature(f) + @property def ifcond(self): assert self._checked @@ -115,10 +138,6 @@ def ifcond(self): def is_implicit(self): return not self.info =20 - def visit(self, visitor): - # pylint: disable=3Dunused-argument - assert self._checked - def describe(self): assert self.meta return "%s '%s'" % (self.meta, self.name) @@ -218,7 +237,7 @@ def visit(self, visitor): =20 class QAPISchemaInclude(QAPISchemaEntity): def __init__(self, sub_module, info): - super().__init__(None, info, None) + super().__init__(info) self._sub_module =3D sub_module =20 def visit(self, visitor): @@ -226,7 +245,7 @@ def visit(self, visitor): visitor.visit_include(self._sub_module.name, self.info) =20 =20 -class QAPISchemaType(QAPISchemaEntity): +class QAPISchemaType(QAPISchemaDefinition): # Return the C type for common use. # For the types we commonly box, this is a pointer type. def c_type(self): @@ -797,7 +816,7 @@ def __init__(self, name, info, typ, ifcond=3DNone): super().__init__(name, info, typ, False, ifcond) =20 =20 -class QAPISchemaCommand(QAPISchemaEntity): +class QAPISchemaCommand(QAPISchemaDefinition): meta =3D 'command' =20 def __init__(self, name, info, doc, ifcond, features, @@ -868,7 +887,7 @@ def visit(self, visitor): self.coroutine) =20 =20 -class QAPISchemaEvent(QAPISchemaEntity): +class QAPISchemaEvent(QAPISchemaDefinition): meta =3D 'event' =20 def __init__(self, name, info, doc, ifcond, features, arg_type, boxed): @@ -939,23 +958,24 @@ def __init__(self, fname): self.check() =20 def _def_entity(self, ent): + self._entity_list.append(ent) + + def _def_definition(self, defn): # Only the predefined types are allowed to not have info - assert ent.info or self._predefining - self._entity_list.append(ent) - if ent.name is None: - return + assert defn.info or self._predefining + self._def_entity(defn) # TODO reject names that differ only in '_' vs. '.' vs. '-', # because they're liable to clash in generated C. - other_ent =3D self._entity_dict.get(ent.name) - if other_ent: - if other_ent.info: - where =3D QAPISourceError(other_ent.info, "previous defini= tion") + other_defn =3D self._entity_dict.get(defn.name) + if other_defn: + if other_defn.info: + where =3D QAPISourceError(other_defn.info, "previous defin= ition") raise QAPISemError( - ent.info, - "'%s' is already defined\n%s" % (ent.name, where)) + defn.info, + "'%s' is already defined\n%s" % (defn.name, where)) raise QAPISemError( - ent.info, "%s is already defined" % other_ent.describe()) - self._entity_dict[ent.name] =3D ent + defn.info, "%s is already defined" % other_defn.describe()) + self._entity_dict[defn.name] =3D defn =20 def lookup_entity(self, name, typ=3DNone): ent =3D self._entity_dict.get(name) @@ -997,7 +1017,7 @@ def _def_include(self, expr: QAPIExpression): QAPISchemaInclude(self._make_module(include), expr.info)) =20 def _def_builtin_type(self, name, json_type, c_type): - self._def_entity(QAPISchemaBuiltinType(name, json_type, c_type)) + self._def_definition(QAPISchemaBuiltinType(name, json_type, c_type= )) # Instantiating only the arrays that are actually used would # be nice, but we can't as long as their generated code # (qapi-builtin-types.[ch]) may be shared by some other @@ -1023,15 +1043,15 @@ def _def_predefineds(self): self._def_builtin_type(*t) self.the_empty_object_type =3D QAPISchemaObjectType( 'q_empty', None, None, None, None, None, [], None) - self._def_entity(self.the_empty_object_type) + self._def_definition(self.the_empty_object_type) =20 qtypes =3D ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool'] qtype_values =3D self._make_enum_members( [{'name': n} for n in qtypes], None) =20 - self._def_entity(QAPISchemaEnumType('QType', None, None, None, Non= e, - qtype_values, 'QTYPE')) + self._def_definition(QAPISchemaEnumType( + 'QType', None, None, None, None, qtype_values, 'QTYPE')) =20 def _make_features(self, features, info): if features is None: @@ -1053,7 +1073,8 @@ def _make_enum_members(self, values, info): def _make_array_type(self, element_type, info): name =3D element_type + 'List' # reserved by check_defn_name_st= r() if not self.lookup_type(name): - self._def_entity(QAPISchemaArrayType(name, info, element_type)) + self._def_definition(QAPISchemaArrayType( + name, info, element_type)) return name =20 def _make_implicit_object_type(self, name, info, ifcond, role, members= ): @@ -1068,7 +1089,7 @@ def _make_implicit_object_type(self, name, info, ifco= nd, role, members): # later. pass else: - self._def_entity(QAPISchemaObjectType( + self._def_definition(QAPISchemaObjectType( name, info, None, ifcond, None, None, members, None)) return name =20 @@ -1079,7 +1100,7 @@ def _def_enum_type(self, expr: QAPIExpression): ifcond =3D QAPISchemaIfCond(expr.get('if')) info =3D expr.info features =3D self._make_features(expr.get('features'), info) - self._def_entity(QAPISchemaEnumType( + self._def_definition(QAPISchemaEnumType( name, info, expr.doc, ifcond, features, self._make_enum_members(data, info), prefix)) =20 @@ -1107,7 +1128,7 @@ def _def_struct_type(self, expr: QAPIExpression): info =3D expr.info ifcond =3D QAPISchemaIfCond(expr.get('if')) features =3D self._make_features(expr.get('features'), info) - self._def_entity(QAPISchemaObjectType( + self._def_definition(QAPISchemaObjectType( name, info, expr.doc, ifcond, features, base, self._make_members(data, info), None)) @@ -1137,7 +1158,7 @@ def _def_union_type(self, expr: QAPIExpression): info) for (key, value) in data.items()] members: List[QAPISchemaObjectTypeMember] =3D [] - self._def_entity( + self._def_definition( QAPISchemaObjectType(name, info, expr.doc, ifcond, features, base, members, QAPISchemaVariants( @@ -1156,7 +1177,7 @@ def _def_alternate_type(self, expr: QAPIExpression): info) for (key, value) in data.items()] tag_member =3D QAPISchemaObjectTypeMember('type', info, 'QType', F= alse) - self._def_entity( + self._def_definition( QAPISchemaAlternateType( name, info, expr.doc, ifcond, features, QAPISchemaVariants(None, info, tag_member, variants))) @@ -1181,11 +1202,10 @@ def _def_command(self, expr: QAPIExpression): if isinstance(rets, list): assert len(rets) =3D=3D 1 rets =3D self._make_array_type(rets[0], info) - self._def_entity(QAPISchemaCommand(name, info, expr.doc, ifcond, - features, data, rets, - gen, success_response, - boxed, allow_oob, allow_preconf= ig, - coroutine)) + self._def_definition( + QAPISchemaCommand(name, info, expr.doc, ifcond, features, data, + rets, gen, success_response, boxed, allow_oo= b, + allow_preconfig, coroutine)) =20 def _def_event(self, expr: QAPIExpression): name =3D expr['event'] @@ -1198,8 +1218,8 @@ def _def_event(self, expr: QAPIExpression): data =3D self._make_implicit_object_type( name, info, ifcond, 'arg', self._make_members(data, info)) - self._def_entity(QAPISchemaEvent(name, info, expr.doc, ifcond, - features, data, boxed)) + self._def_definition(QAPISchemaEvent(name, info, expr.doc, ifcond, + features, data, boxed)) =20 def _def_exprs(self, exprs): for expr in exprs: --=20 2.44.0