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qapi: Memorize since & returns sections

Browse source 
This is chiefly to make code that looks up these sections easier to
read.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240227113921.236097-2-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2024-02-27 12:39:09 +01:00
parent e1007b6bab
commit ba7f63f9a4
1 changed files with 17 additions and 14 deletions
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31
scripts/qapi/parser.py
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@ -639,6 +639,10 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
# dicts mapping parameter/feature names to their description
self.args: Dict[str, QAPIDoc.ArgSection] = {}
self.features: Dict[str, QAPIDoc.ArgSection] = {}
# a command's "Returns" section
self.returns: Optional[QAPIDoc.Section] = None
# "Since" section
self.since: Optional[QAPIDoc.Section] = None
# sections other than .body, .args, .features
self.sections: List[QAPIDoc.Section] = []
@ -660,14 +664,17 @@ def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
self.all_sections.append(section)
def new_tagged_section(self, info: QAPISourceInfo, tag: str) -> None:
if tag in ('Returns', 'Since'):
for section in self.all_sections:
if isinstance(section, self.ArgSection):
continue
if section.tag == tag:
raise QAPISemError(
info, "duplicated '%s' section" % tag)
section = self.Section(info, tag)
if tag == 'Returns':
if self.returns:
raise QAPISemError(
info, "duplicated '%s' section" % tag)
self.returns = section
elif tag == 'Since':
if self.since:
raise QAPISemError(
info, "duplicated '%s' section" % tag)
self.since = section
self.sections.append(section)
self.all_sections.append(section)
@ -708,13 +715,9 @@ def connect_feature(self, feature: 'QAPISchemaFeature') -> None:
self.features[feature.name].connect(feature)
def check_expr(self, expr: QAPIExpression) -> None:
if 'command' not in expr:
sec = next((sec for sec in self.sections
if sec.tag == 'Returns'),
None)
if sec:
raise QAPISemError(sec.info,
"'Returns:' is only valid for commands")
if self.returns and 'command' not in expr:
raise QAPISemError(self.returns.info,
"'Returns:' is only valid for commands")
def check(self) -> None: