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bh=4dgNQxVwXkzMulCoNr1J2aB5uELtE4y8VKAcE/Muug4=; b=JiVOknDnvaRDeFpfKdC3MUOaPp8reIIzuGhraqe3KCPll1TCP6YYAmHaGHtwnA+qpS5MTk 6NDX2zvVTDqdapYmcmW6oGT2CZFnzTRFBiaQJoStcz7QBLW6DWrzjDA24QiDHlTsJXC7Sk xmKSKDknD/WtitUHQtjk+deEQIWtjY0= X-MC-Unique: bE5mKJEqNAyELENuwlOvsw-1 From: John Snow To: Markus Armbruster Subject: [PATCH 19/26] qapi/parser.py: add parent argument Date: Tue, 22 Sep 2020 18:35:18 -0400 Message-Id: <20200922223525.4085762-20-jsnow@redhat.com> In-Reply-To: <20200922223525.4085762-1-jsnow@redhat.com> References: <20200922223525.4085762-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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 Content-Transfer-Encoding: quoted-printable 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; 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charset="utf-8" Instead of passing previously_included and info separately, we can pass the parent parser itself. This cuts down on the number of parameters to pass when creating a parser; and makes it easier to add new shared data members between parent and child. Signed-off-by: John Snow --- scripts/qapi/parser.py | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py index 77067b2f5d..fa0ddad922 100644 --- a/scripts/qapi/parser.py +++ b/scripts/qapi/parser.py @@ -68,26 +68,23 @@ class QAPISchemaParser: """ Performs parsing of a QAPI schema source file. =20 - :param fname: Path to the source file - :param previously_included: Set of absolute paths of previously includ= ed - source files; these will not be parsed aga= in. - :param incl_info: QAPISourceInfo for the parent document; - Can be None for the parent document. + :param fname: Path to the source file + :param parent: Parent parser, if this is an included file. """ - def __init__(self, - fname: str, - previously_included: Optional[Set[str]] =3D None, - incl_info: Optional[QAPISourceInfo] =3D None): + def __init__(self, fname: str, + parent: Optional['QAPISchemaParser'] =3D None): self._fname =3D fname - self._included =3D previously_included or set() + self._included: Set[str] =3D parent._included if parent else set() self._included.add(os.path.abspath(self._fname)) + parent_info =3D parent.info if parent else None =20 # Lexer state (see `accept` for details): self.tok: Optional[str] =3D None self.pos =3D 0 self.cursor =3D 0 self.val: Optional[Union[bool, str]] =3D None - self.info =3D QAPISourceInfo(self._fname, parent=3Dincl_info) + self.info: QAPISourceInfo =3D QAPISourceInfo(self._fname, + parent=3Dparent_info) self.line_pos =3D 0 =20 # Parser output: @@ -100,11 +97,11 @@ def __init__(self, self.src =3D fp.read() except IOError as e: msg =3D "can't read {kind:s} file '{fname:s}': {errmsg:s}".for= mat( - kind=3D'include' if incl_info else 'schema', + kind=3D'include' if parent else 'schema', fname=3Dself._fname, errmsg=3De.strerror ) - context =3D incl_info or self.info + context =3D parent_info if parent_info else self.info raise QAPIParseError(context, msg) from e self._parse() =20 @@ -193,7 +190,7 @@ def _include(self, include: str, if incl_abs_fname in self._included: return None =20 - return QAPISchemaParser(incl_fname, self._included, self.info) + return QAPISchemaParser(incl_fname, self) =20 def accept(self, skip_comment: bool =3D True) -> None: """ --=20 2.26.2