From: John Snow <jsnow@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Eduardo Habkost" <ehabkost@redhat.com>,
"Michael Roth" <michael.roth@amd.com>,
"Markus Armbruster" <armbru@redhat.com>,
"Cleber Rosa" <crosa@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"John Snow" <jsnow@redhat.com>
Subject: [PATCH v2 08/12] qapi/gen: write _genc/_genh access shims
Date: Wed, 16 Dec 2020 20:59:23 -0500 [thread overview]
Message-ID: <20201217015927.197287-9-jsnow@redhat.com> (raw)
In-Reply-To: <20201217015927.197287-1-jsnow@redhat.com>
Many places assume they can access these fields without checking them
first to ensure they are defined. Eliminating the _genc and _genh fields
and replacing them with functional properties that check for correct
state can ease the typing overhead by eliminating the Optional[T] return
type.
Signed-off-by: John Snow <jsnow@redhat.com>
---
scripts/qapi/gen.py | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py
index 476d0adac4e..12ea98fb61e 100644
--- a/scripts/qapi/gen.py
+++ b/scripts/qapi/gen.py
@@ -243,11 +243,20 @@ def __init__(self,
self._user_blurb = user_blurb
self._builtin_blurb = builtin_blurb
self._pydoc = pydoc
- self._genc: Optional[QAPIGenC] = None
- self._genh: Optional[QAPIGenH] = None
+ self._current_module: Optional[str] = None
self._module: Dict[str, Tuple[QAPIGenC, QAPIGenH]] = {}
self._main_module: Optional[str] = None
+ @property
+ def _genc(self) -> QAPIGenC:
+ assert self._current_module is not None
+ return self._module[self._current_module][0]
+
+ @property
+ def _genh(self) -> QAPIGenH:
+ assert self._current_module is not None
+ return self._module[self._current_module][1]
+
@staticmethod
def _is_user_module(name: str) -> bool:
return not name.startswith('./')
@@ -282,7 +291,7 @@ def _add_module(self, name: str, blurb: str) -> None:
genc = QAPIGenC(basename + '.c', blurb, self._pydoc)
genh = QAPIGenH(basename + '.h', blurb, self._pydoc)
self._module[name] = (genc, genh)
- self._genc, self._genh = self._module[name]
+ self._current_module = name
def _add_user_module(self, name: str, blurb: str) -> None:
assert self._is_user_module(name)
@@ -315,8 +324,7 @@ def visit_module(self, name: Optional[str]) -> None:
else:
# The built-in module has not been created. No code may
# be generated.
- self._genc = None
- self._genh = None
+ self._current_module = None
else:
self._add_user_module(name, self._user_blurb)
self._begin_user_module(name)
--
2.26.2
next prev parent reply other threads:[~2020-12-17 2:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-17 1:59 [PATCH v2 00/12] qapi: static typing conversion, pt1.5 John Snow
2020-12-17 1:59 ` [PATCH v2 01/12] qapi/commands: assert arg_type is not None John Snow
2020-12-17 1:59 ` [PATCH v2 02/12] qapi/events: fix visit_event typing John Snow
2020-12-17 1:59 ` [PATCH v2 03/12] qapi/main: handle theoretical None-return from re.match() John Snow
2020-12-17 1:59 ` [PATCH v2 04/12] qapi/gen: assert that _start_if is not None in _wrap_ifcond John Snow
2021-01-13 15:14 ` Markus Armbruster
2021-01-13 21:34 ` John Snow
2020-12-17 1:59 ` [PATCH v2 05/12] qapi/gen: use './builtin' for the built-in module name John Snow
2020-12-17 1:59 ` [PATCH v2 06/12] qapi/source: Add builtin null-object sentinel John Snow
2021-01-13 15:39 ` Markus Armbruster
2021-01-13 22:30 ` John Snow
2021-01-14 13:39 ` Markus Armbruster
2021-01-18 18:36 ` Eduardo Habkost
2021-01-19 10:21 ` Markus Armbruster
2021-01-19 16:10 ` Eduardo Habkost
2020-12-17 1:59 ` [PATCH v2 07/12] qapi/schema: make QAPISourceInfo mandatory John Snow
2021-01-13 16:12 ` Markus Armbruster
2021-01-13 23:04 ` John Snow
2021-01-14 0:29 ` Eduardo Habkost
2021-01-14 0:47 ` John Snow
2020-12-17 1:59 ` John Snow [this message]
2020-12-17 1:59 ` [PATCH v2 09/12] qapi/gen: move write method to QAPIGenC, make fname a str John Snow
2020-12-17 1:59 ` [PATCH v2 10/12] tests/qapi-schema: Add quotes to module name in test output John Snow
2020-12-17 1:59 ` [PATCH v2 11/12] qapi/schema: Name the builtin module "" instead of None John Snow
2020-12-17 1:59 ` [PATCH v2 12/12] qapi: enable strict-optional checks John Snow
2021-01-13 16:23 ` [PATCH v2 00/12] qapi: static typing conversion, pt1.5 Markus Armbruster
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