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Tue, 15 Sep 2020 22:41:24 +0000 (UTC) Received: from scv.redhat.com (ovpn-119-140.rdu2.redhat.com [10.10.119.140]) by smtp.corp.redhat.com (Postfix) with ESMTP id 82BF060BE5; Tue, 15 Sep 2020 22:41:23 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, Markus Armbruster Subject: [PATCH 34/37] qapi/types.py: add notational type hints Date: Tue, 15 Sep 2020 18:40:24 -0400 Message-Id: <20200915224027.2529813-35-jsnow@redhat.com> In-Reply-To: <20200915224027.2529813-1-jsnow@redhat.com> References: <20200915224027.2529813-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/15 02:10:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.999, 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_H5=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: John Snow , Peter Maydell , =?utf-8?q?Alex_Benn=C3=A9e?= , Eduardo Habkost , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: John Snow --- scripts/qapi/mypy.ini | 5 --- scripts/qapi/types.py | 86 ++++++++++++++++++++++++++++++++----------- 2 files changed, 64 insertions(+), 27 deletions(-) diff --git a/scripts/qapi/mypy.ini b/scripts/qapi/mypy.ini index 9ce8b56f22..3babc380a8 100644 --- a/scripts/qapi/mypy.ini +++ b/scripts/qapi/mypy.ini @@ -29,11 +29,6 @@ disallow_untyped_defs = False disallow_incomplete_defs = False check_untyped_defs = False -[mypy-qapi.types] -disallow_untyped_defs = False -disallow_incomplete_defs = False -check_untyped_defs = False - [mypy-qapi.visit] disallow_untyped_defs = False disallow_incomplete_defs = False diff --git a/scripts/qapi/types.py b/scripts/qapi/types.py index 53b47f9e58..274d62fac8 100644 --- a/scripts/qapi/types.py +++ b/scripts/qapi/types.py @@ -13,6 +13,8 @@ # See the COPYING file in the top-level directory. """ +from typing import Optional, List + from .common import ( c_enum_const, c_name, @@ -21,7 +23,16 @@ mcgen, ) from .gen import QAPISchemaModularCVisitor, ifcontext -from .schema import QAPISchemaEnumMember, QAPISchemaObjectType +from .source import QAPISourceInfo +from .schema import ( + QAPISchema, + QAPISchemaEnumMember, + QAPISchemaObjectType, + QAPISchemaVariants, + QAPISchemaObjectTypeMember, + QAPISchemaFeature, + QAPISchemaType, +) # variants must be emitted before their container; track what has already @@ -29,7 +40,9 @@ objects_seen = set() -def gen_enum_lookup(name, members, prefix=None): +def gen_enum_lookup(name: str, + members: List[QAPISchemaEnumMember], + prefix: Optional[str] = None) -> str: ret = mcgen(''' const QEnumLookup %(c_name)s_lookup = { @@ -54,7 +67,9 @@ def gen_enum_lookup(name, members, prefix=None): return ret -def gen_enum(name, members, prefix=None): +def gen_enum(name: str, + members: List[QAPISchemaEnumMember], + prefix: Optional[str] = None) -> str: # append automatically generated _MAX value enum_members = members + [QAPISchemaEnumMember('_MAX', None)] @@ -88,7 +103,7 @@ def gen_enum(name, members, prefix=None): return ret -def gen_fwd_object_or_array(name): +def gen_fwd_object_or_array(name: str) -> str: return mcgen(''' typedef struct %(c_name)s %(c_name)s; @@ -96,7 +111,7 @@ def gen_fwd_object_or_array(name): c_name=c_name(name)) -def gen_array(name, element_type): +def gen_array(name: str, element_type: QAPISchemaType) -> str: return mcgen(''' struct %(c_name)s { @@ -107,7 +122,7 @@ def gen_array(name, element_type): c_name=c_name(name), c_type=element_type.c_type()) -def gen_struct_members(members): +def gen_struct_members(members: List[QAPISchemaObjectTypeMember]) -> str: ret = '' for memb in members: ret += gen_if(memb.ifcond) @@ -124,7 +139,10 @@ def gen_struct_members(members): return ret -def gen_object(name, ifcond, base, members, variants): +def gen_object(name: str, ifcond: List[str], + base: Optional[QAPISchemaObjectType], + members: List[QAPISchemaObjectTypeMember], + variants: Optional[QAPISchemaVariants]) -> str: if name in objects_seen: return '' objects_seen.add(name) @@ -178,7 +196,7 @@ def gen_object(name, ifcond, base, members, variants): return ret -def gen_upcast(name, base): +def gen_upcast(name: str, base: QAPISchemaObjectType) -> str: # C makes const-correctness ugly. We have to cast away const to let # this function work for both const and non-const obj. return mcgen(''' @@ -191,7 +209,7 @@ def gen_upcast(name, base): c_name=c_name(name), base=base.c_name()) -def gen_variants(variants): +def gen_variants(variants: QAPISchemaVariants) -> str: ret = mcgen(''' union { /* union tag is @%(c_name)s */ ''', @@ -215,7 +233,7 @@ def gen_variants(variants): return ret -def gen_type_cleanup_decl(name): +def gen_type_cleanup_decl(name: str) -> str: ret = mcgen(''' void qapi_free_%(c_name)s(%(c_name)s *obj); @@ -225,7 +243,7 @@ def gen_type_cleanup_decl(name): return ret -def gen_type_cleanup(name): +def gen_type_cleanup(name: str) -> str: ret = mcgen(''' void qapi_free_%(c_name)s(%(c_name)s *obj) @@ -247,12 +265,12 @@ def gen_type_cleanup(name): class QAPISchemaGenTypeVisitor(QAPISchemaModularCVisitor): - def __init__(self, prefix): + def __init__(self, prefix: str): super().__init__( prefix, 'qapi-types', ' * Schema-defined QAPI types', ' * Built-in QAPI types', __doc__) - def _begin_system_module(self, name): + def _begin_system_module(self, name: None) -> None: self._genc.preamble_add(mcgen(''' #include "qemu/osdep.h" #include "qapi/dealloc-visitor.h" @@ -263,7 +281,7 @@ def _begin_system_module(self, name): #include "qapi/util.h" ''')) - def _begin_user_module(self, name): + def _begin_user_module(self, name: str) -> None: types = self._module_basename('qapi-types', name) visit = self._module_basename('qapi-visit', name) self._genc.preamble_add(mcgen(''' @@ -277,27 +295,43 @@ def _begin_user_module(self, name): #include "qapi/qapi-builtin-types.h" ''')) - def visit_begin(self, schema): + def visit_begin(self, schema: QAPISchema) -> None: # gen_object() is recursive, ensure it doesn't visit the empty type objects_seen.add(schema.the_empty_object_type.name) - def _gen_type_cleanup(self, name): + def _gen_type_cleanup(self, name: str) -> None: self._genh.add(gen_type_cleanup_decl(name)) self._genc.add(gen_type_cleanup(name)) - def visit_enum_type(self, name, info, ifcond, features, members, prefix): + def visit_enum_type(self, + name: str, + info: Optional[QAPISourceInfo], + ifcond: List[str], + features: List[QAPISchemaFeature], + members: List[QAPISchemaEnumMember], + prefix: Optional[str]) -> None: with ifcontext(ifcond, self._genh, self._genc): self._genh.preamble_add(gen_enum(name, members, prefix)) self._genc.add(gen_enum_lookup(name, members, prefix)) - def visit_array_type(self, name, info, ifcond, element_type): + def visit_array_type(self, + name: str, + info: Optional[QAPISourceInfo], + ifcond: List[str], + element_type: QAPISchemaType) -> None: with ifcontext(ifcond, self._genh, self._genc): self._genh.preamble_add(gen_fwd_object_or_array(name)) self._genh.add(gen_array(name, element_type)) self._gen_type_cleanup(name) - def visit_object_type(self, name, info, ifcond, features, - base, members, variants): + def visit_object_type(self, + name: str, + info: Optional[QAPISourceInfo], + ifcond: List[str], + features: List[QAPISchemaFeature], + base: Optional[QAPISchemaObjectType], + members: List[QAPISchemaObjectTypeMember], + variants: Optional[QAPISchemaVariants]) -> None: # Nothing to do for the special empty builtin if name == 'q_empty': return @@ -313,7 +347,12 @@ def visit_object_type(self, name, info, ifcond, features, # implicit types won't be directly allocated/freed self._gen_type_cleanup(name) - def visit_alternate_type(self, name, info, ifcond, features, variants): + def visit_alternate_type(self, + name: str, + info: QAPISourceInfo, + ifcond: List[str], + features: List[QAPISchemaFeature], + variants: QAPISchemaVariants) -> None: with ifcontext(ifcond, self._genh): self._genh.preamble_add(gen_fwd_object_or_array(name)) self._genh.add(gen_object(name, ifcond, None, @@ -322,7 +361,10 @@ def visit_alternate_type(self, name, info, ifcond, features, variants): self._gen_type_cleanup(name) -def gen_types(schema, output_dir, prefix, opt_builtins): +def gen_types(schema: QAPISchema, + output_dir: str, + prefix: str, + opt_builtins: bool) -> None: vis = QAPISchemaGenTypeVisitor(prefix) schema.visit(vis) vis.write(output_dir, opt_builtins)