qapi/visit.py: add type hint annotations

Annotations do not change runtime behavior.
This commit *only* adds annotations.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20201009161558.107041-37-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
John Snow 2020-10-09 12:15:58 -04:00 committed by Markus Armbruster
parent 2cc1eefb84
commit b4c0aa59af
2 changed files with 56 additions and 22 deletions

View File

@ -28,8 +28,3 @@ check_untyped_defs = False
disallow_untyped_defs = False
disallow_incomplete_defs = False
check_untyped_defs = False
[mypy-qapi.visit]
disallow_untyped_defs = False
disallow_incomplete_defs = False
check_untyped_defs = False

View File

@ -13,6 +13,8 @@ This work is licensed under the terms of the GNU GPL, version 2.
See the COPYING file in the top-level directory.
"""
from typing import List, Optional
from .common import (
c_enum_const,
c_name,
@ -22,10 +24,20 @@ from .common import (
mcgen,
)
from .gen import QAPISchemaModularCVisitor, ifcontext
from .schema import QAPISchemaEnumType, QAPISchemaObjectType
from .schema import (
QAPISchema,
QAPISchemaEnumMember,
QAPISchemaEnumType,
QAPISchemaFeature,
QAPISchemaObjectType,
QAPISchemaObjectTypeMember,
QAPISchemaType,
QAPISchemaVariants,
)
from .source import QAPISourceInfo
def gen_visit_decl(name, scalar=False):
def gen_visit_decl(name: str, scalar: bool = False) -> str:
c_type = c_name(name) + ' *'
if not scalar:
c_type += '*'
@ -37,7 +49,7 @@ bool visit_type_%(c_name)s(Visitor *v, const char *name,
c_name=c_name(name), c_type=c_type)
def gen_visit_members_decl(name):
def gen_visit_members_decl(name: str) -> str:
return mcgen('''
bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp);
@ -45,7 +57,10 @@ bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp);
c_name=c_name(name))
def gen_visit_object_members(name, base, members, variants):
def gen_visit_object_members(name: str,
base: Optional[QAPISchemaObjectType],
members: List[QAPISchemaObjectTypeMember],
variants: Optional[QAPISchemaVariants]) -> str:
ret = mcgen('''
bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
@ -125,7 +140,7 @@ bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
return ret
def gen_visit_list(name, element_type):
def gen_visit_list(name: str, element_type: QAPISchemaType) -> str:
return mcgen('''
bool visit_type_%(c_name)s(Visitor *v, const char *name,
@ -159,7 +174,7 @@ out_obj:
c_name=c_name(name), c_elt_type=element_type.c_name())
def gen_visit_enum(name):
def gen_visit_enum(name: str) -> str:
return mcgen('''
bool visit_type_%(c_name)s(Visitor *v, const char *name,
@ -174,7 +189,7 @@ bool visit_type_%(c_name)s(Visitor *v, const char *name,
c_name=c_name(name))
def gen_visit_alternate(name, variants):
def gen_visit_alternate(name: str, variants: QAPISchemaVariants) -> str:
ret = mcgen('''
bool visit_type_%(c_name)s(Visitor *v, const char *name,
@ -250,7 +265,7 @@ out_obj:
return ret
def gen_visit_object(name):
def gen_visit_object(name: str) -> str:
return mcgen('''
bool visit_type_%(c_name)s(Visitor *v, const char *name,
@ -285,12 +300,12 @@ out_obj:
class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
def __init__(self, prefix):
def __init__(self, prefix: str):
super().__init__(
prefix, 'qapi-visit', ' * Schema-defined QAPI visitors',
' * Built-in QAPI visitors', __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/error.h"
@ -302,7 +317,7 @@ class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
'''))
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('''
@ -319,18 +334,34 @@ class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
''',
types=types))
def visit_enum_type(self, name, info, ifcond, features, members, prefix):
def visit_enum_type(self,
name: str,
info: QAPISourceInfo,
ifcond: List[str],
features: List[QAPISchemaFeature],
members: List[QAPISchemaEnumMember],
prefix: Optional[str]) -> None:
with ifcontext(ifcond, self._genh, self._genc):
self._genh.add(gen_visit_decl(name, scalar=True))
self._genc.add(gen_visit_enum(name))
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.add(gen_visit_decl(name))
self._genc.add(gen_visit_list(name, element_type))
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
@ -345,13 +376,21 @@ class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
self._genh.add(gen_visit_decl(name))
self._genc.add(gen_visit_object(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._genc):
self._genh.add(gen_visit_decl(name))
self._genc.add(gen_visit_alternate(name, variants))
def gen_visit(schema, output_dir, prefix, opt_builtins):
def gen_visit(schema: QAPISchema,
output_dir: str,
prefix: str,
opt_builtins: bool) -> None:
vis = QAPISchemaGenVisitVisitor(prefix)
schema.visit(vis)
vis.write(output_dir, opt_builtins)