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Wed, 30 Sep 2020 04:32:57 +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 0366873678; Wed, 30 Sep 2020 04:32:53 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v4 31/46] qapi/gen.py: add type hint annotations Date: Wed, 30 Sep 2020 00:31:35 -0400 Message-Id: <20200930043150.1454766-32-jsnow@redhat.com> In-Reply-To: <20200930043150.1454766-1-jsnow@redhat.com> References: <20200930043150.1454766-1-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 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/30 00:31:59 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, 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: Peter Maydell , Thomas Huth , Eduardo Habkost , Markus Armbruster , John Snow , Cleber Rosa , =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Annotations do not change runtime behavior. This commit *only* adds annotations. Signed-off-by: John Snow Reviewed-by: Eduardo Habkost Reviewed-by: Cleber Rosa --- scripts/qapi/gen.py | 104 ++++++++++++++++++++++++-------------------- 1 file changed, 57 insertions(+), 47 deletions(-) diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index 58cc1d8e734..4c6bba940ed 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -17,7 +17,13 @@ import errno import os import re -from typing import Optional +from typing import ( + Dict, + Iterator, + List, + Optional, + Tuple, +) from .common import ( c_fname, @@ -29,31 +35,31 @@ mcgen, ) from .schema import QAPISchemaObjectType, QAPISchemaVisitor +from .source import QAPISourceInfo class QAPIGen: - - def __init__(self, fname): + def __init__(self, fname: Optional[str]): self.fname = fname self._preamble = '' self._body = '' - def preamble_add(self, text): + def preamble_add(self, text: str) -> None: self._preamble += text - def add(self, text): + def add(self, text: str) -> None: self._body += text - def get_content(self): + def get_content(self) -> str: return self._top() + self._preamble + self._body + self._bottom() - def _top(self): + def _top(self) -> str: return '' - def _bottom(self): + def _bottom(self) -> str: return '' - def write(self, output_dir): + def write(self, output_dir: str) -> None: # Include paths starting with ../ are used to reuse modules of the main # schema in specialised schemas. Don't overwrite the files that are # already generated for the main schema. @@ -78,7 +84,7 @@ def write(self, output_dir): f.close() -def _wrap_ifcond(ifcond, before, after): +def _wrap_ifcond(ifcond: List[str], before: str, after: str) -> str: if before == after: return after # suppress empty #if ... #endif @@ -118,40 +124,38 @@ def build_params(arg_type: Optional[QAPISchemaObjectType], class QAPIGenCCode(QAPIGen): - - def __init__(self, fname): + def __init__(self, fname: Optional[str]): super().__init__(fname) - self._start_if = None + self._start_if: Optional[Tuple[List[str], str, str]] = None - def start_if(self, ifcond): + def start_if(self, ifcond: List[str]) -> None: assert self._start_if is None self._start_if = (ifcond, self._body, self._preamble) - def end_if(self): + def end_if(self) -> None: assert self._start_if self._wrap_ifcond() self._start_if = None - def _wrap_ifcond(self): + def _wrap_ifcond(self) -> None: self._body = _wrap_ifcond(self._start_if[0], self._start_if[1], self._body) self._preamble = _wrap_ifcond(self._start_if[0], self._start_if[2], self._preamble) - def get_content(self): + def get_content(self) -> str: assert self._start_if is None return super().get_content() class QAPIGenC(QAPIGenCCode): - - def __init__(self, fname, blurb, pydoc): + def __init__(self, fname: str, blurb: str, pydoc: str): super().__init__(fname) self._blurb = blurb self._copyright = '\n * '.join(re.findall(r'^Copyright .*', pydoc, re.MULTILINE)) - def _top(self): + def _top(self) -> str: return mcgen(''' /* AUTOMATICALLY GENERATED, DO NOT MODIFY */ @@ -167,7 +171,7 @@ def _top(self): ''', blurb=self._blurb, copyright=self._copyright) - def _bottom(self): + def _bottom(self) -> str: return mcgen(''' /* Dummy declaration to prevent empty .o file */ @@ -177,16 +181,15 @@ def _bottom(self): class QAPIGenH(QAPIGenC): - - def _top(self): + def _top(self) -> str: return super()._top() + guardstart(self.fname) - def _bottom(self): + def _bottom(self) -> str: return guardend(self.fname) @contextmanager -def ifcontext(ifcond, *args): +def ifcontext(ifcond: List[str], *args: QAPIGenCCode) -> Iterator[None]: """ A 'with' statement context manager that wraps with `start_if` and `end_if`. @@ -214,8 +217,11 @@ def ifcontext(ifcond, *args): class QAPISchemaMonolithicCVisitor(QAPISchemaVisitor): - - def __init__(self, prefix, what, blurb, pydoc): + def __init__(self, + prefix: str, + what: str, + blurb: str, + pydoc: str): self._prefix = prefix self._what = what self._genc = QAPIGenC(self._prefix + self._what + '.c', @@ -223,38 +229,42 @@ def __init__(self, prefix, what, blurb, pydoc): self._genh = QAPIGenH(self._prefix + self._what + '.h', blurb, pydoc) - def write(self, output_dir): + def write(self, output_dir: str) -> None: self._genc.write(output_dir) self._genh.write(output_dir) class QAPISchemaModularCVisitor(QAPISchemaVisitor): - - def __init__(self, prefix, what, user_blurb, builtin_blurb, pydoc): + def __init__(self, + prefix: str, + what: str, + user_blurb: str, + builtin_blurb: Optional[str], + pydoc: str): self._prefix = prefix self._what = what self._user_blurb = user_blurb self._builtin_blurb = builtin_blurb self._pydoc = pydoc - self._genc = None - self._genh = None - self._module = {} - self._main_module = None + self._genc: Optional[QAPIGenC] = None + self._genh: Optional[QAPIGenH] = None + self._module: Dict[Optional[str], Tuple[QAPIGenC, QAPIGenH]] = {} + self._main_module: Optional[str] = None @staticmethod - def _is_user_module(name): + def _is_user_module(name: Optional[str]) -> bool: return bool(name and not name.startswith('./')) @staticmethod - def _is_builtin_module(name): + def _is_builtin_module(name: Optional[str]) -> bool: return not name - def _module_dirname(self, what, name): + def _module_dirname(self, what: str, name: Optional[str]) -> str: if self._is_user_module(name): return os.path.dirname(name) return '' - def _module_basename(self, what, name): + def _module_basename(self, what: str, name: Optional[str]) -> str: ret = '' if self._is_builtin_module(name) else self._prefix if self._is_user_module(name): basename = os.path.basename(name) @@ -266,27 +276,27 @@ def _module_basename(self, what, name): ret += re.sub(r'-', '-' + name + '-', what) return ret - def _module_filename(self, what, name): + def _module_filename(self, what: str, name: Optional[str]) -> str: return os.path.join(self._module_dirname(what, name), self._module_basename(what, name)) - def _add_module(self, name, blurb): + def _add_module(self, name: Optional[str], blurb: str) -> None: basename = self._module_filename(self._what, name) 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] - def _add_user_module(self, name, blurb): + def _add_user_module(self, name: str, blurb: str) -> None: assert self._is_user_module(name) if self._main_module is None: self._main_module = name self._add_module(name, blurb) - def _add_system_module(self, name, blurb): + def _add_system_module(self, name: Optional[str], blurb: str) -> None: self._add_module(name and './' + name, blurb) - def write(self, output_dir, opt_builtins=False): + def write(self, output_dir: str, opt_builtins: bool = False) -> None: for name in self._module: if self._is_builtin_module(name) and not opt_builtins: continue @@ -294,13 +304,13 @@ def write(self, output_dir, opt_builtins=False): genc.write(output_dir) genh.write(output_dir) - def _begin_system_module(self, name): + def _begin_system_module(self, name: None) -> None: pass - def _begin_user_module(self, name): + def _begin_user_module(self, name: str) -> None: pass - def visit_module(self, name): + def visit_module(self, name: Optional[str]) -> None: if name is None: if self._builtin_blurb: self._add_system_module(None, self._builtin_blurb) @@ -314,7 +324,7 @@ def visit_module(self, name): self._add_user_module(name, self._user_blurb) self._begin_user_module(name) - def visit_include(self, name, info): + def visit_include(self, name: str, info: QAPISourceInfo) -> None: relname = os.path.relpath(self._module_filename(self._what, name), os.path.dirname(self._genh.fname)) self._genh.preamble_add(mcgen('''