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qapi: Lift features into QAPISchemaEntity

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Commit 6a8c0b5102 "qapi: Add feature flags to struct types" added
features to QAPISchemaObjectType.  Commit a95daa5093 "qapi: Add
feature flags to commands in qapi" added them to QAPISchemaCommand,
duplicating the code.  Tolerable, but the duplication will only get
worse as we add features to more definitions.

To de-duplicate, lift features from QAPISchemaObjectType and
QAPISchemaCommand into QAPISchemaEntity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191024110237.30963-18-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-10-24 13:02:35 +02:00
parent ad1ecfc679
commit b3cdff10e5
1 changed files with 11 additions and 21 deletions
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32
scripts/qapi/schema.py
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@ -27,8 +27,11 @@
class QAPISchemaEntity(object): class QAPISchemaEntity(object):
meta = None meta = None
def __init__(self, name, info, doc, ifcond=None): def __init__(self, name, info, doc, ifcond=None, features=None):
assert name is None or isinstance(name, str) assert name is None or isinstance(name, str)
for f in features or []:
assert isinstance(f, QAPISchemaFeature)
f.set_defined_in(name)
self.name = name self.name = name
self._module = None self._module = None
# For explicitly defined entities, info points to the (explicit) # For explicitly defined entities, info points to the (explicit)
@ -39,6 +42,7 @@ def __init__(self, name, info, doc, ifcond=None):
self.info = info self.info = info
self.doc = doc self.doc = doc
self._ifcond = ifcond or [] self._ifcond = ifcond or []
self.features = features or []
self._checked = False self._checked = False
def c_name(self): def c_name(self):
@ -49,6 +53,10 @@ def check(self, schema):
if self.info: if self.info:
self._module = os.path.relpath(self.info.fname, self._module = os.path.relpath(self.info.fname,
os.path.dirname(schema.fname)) os.path.dirname(schema.fname))
seen = {}
for f in self.features:
f.check_clash(self.info, seen)
self._checked = True self._checked = True
def connect_doc(self, doc=None): def connect_doc(self, doc=None):
@ -307,7 +315,7 @@ def __init__(self, name, info, doc, ifcond,
# struct has local_members, optional base, and no variants # struct has local_members, optional base, and no variants
# flat union has base, variants, and no local_members # flat union has base, variants, and no local_members
# simple union has local_members, variants, and no base # simple union has local_members, variants, and no base
QAPISchemaType.__init__(self, name, info, doc, ifcond) QAPISchemaType.__init__(self, name, info, doc, ifcond, features)
self.meta = 'union' if variants else 'struct' self.meta = 'union' if variants else 'struct'
assert base is None or isinstance(base, str) assert base is None or isinstance(base, str)
for m in local_members: for m in local_members:
@ -316,15 +324,11 @@ def __init__(self, name, info, doc, ifcond,
if variants is not None: if variants is not None:
assert isinstance(variants, QAPISchemaObjectTypeVariants) assert isinstance(variants, QAPISchemaObjectTypeVariants)
variants.set_defined_in(name) variants.set_defined_in(name)
for f in features:
assert isinstance(f, QAPISchemaFeature)
f.set_defined_in(name)
self._base_name = base self._base_name = base
self.base = None self.base = None
self.local_members = local_members self.local_members = local_members
self.variants = variants self.variants = variants
self.members = None self.members = None
self.features = features
def check(self, schema): def check(self, schema):
# This calls another type T's .check() exactly when the C # This calls another type T's .check() exactly when the C
@ -362,11 +366,6 @@ def check(self, schema):
self.variants.check(schema, seen) self.variants.check(schema, seen)
self.variants.check_clash(self.info, seen) self.variants.check_clash(self.info, seen)
# Features are in a name space separate from members
seen = {}
for f in self.features:
f.check_clash(self.info, seen)
self.members = members # mark completed self.members = members # mark completed
# Check that the members of this type do not cause duplicate JSON members, # Check that the members of this type do not cause duplicate JSON members,
@ -678,12 +677,9 @@ class QAPISchemaCommand(QAPISchemaEntity):
def __init__(self, name, info, doc, ifcond, arg_type, ret_type, def __init__(self, name, info, doc, ifcond, arg_type, ret_type,
gen, success_response, boxed, allow_oob, allow_preconfig, gen, success_response, boxed, allow_oob, allow_preconfig,
features): features):
QAPISchemaEntity.__init__(self, name, info, doc, ifcond) QAPISchemaEntity.__init__(self, name, info, doc, ifcond, features)
assert not arg_type or isinstance(arg_type, str) assert not arg_type or isinstance(arg_type, str)
assert not ret_type or isinstance(ret_type, str) assert not ret_type or isinstance(ret_type, str)
for f in features:
assert isinstance(f, QAPISchemaFeature)
f.set_defined_in(name)
self._arg_type_name = arg_type self._arg_type_name = arg_type
self.arg_type = None self.arg_type = None
self._ret_type_name = ret_type self._ret_type_name = ret_type
@ -693,7 +689,6 @@ def __init__(self, name, info, doc, ifcond, arg_type, ret_type,
self.boxed = boxed self.boxed = boxed
self.allow_oob = allow_oob self.allow_oob = allow_oob
self.allow_preconfig = allow_preconfig self.allow_preconfig = allow_preconfig
self.features = features
def check(self, schema): def check(self, schema):
QAPISchemaEntity.check(self, schema) QAPISchemaEntity.check(self, schema)
@ -723,11 +718,6 @@ def check(self, schema):
"command's 'returns' cannot take %s" "command's 'returns' cannot take %s"
% self.ret_type.describe()) % self.ret_type.describe())
# Features are in a name space separate from members
seen = {}
for f in self.features:
f.check_clash(self.info, seen)
def connect_doc(self, doc=None): def connect_doc(self, doc=None):
doc = doc or self.doc doc = doc or self.doc
if doc: if doc: