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qapi: Move check for reserved names out of add_name()

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The checks for reserved names are spread far and wide.  Move one from
add_name() to new check_defn_name_str().  This is a first step towards
collecting them all in dedicated name checking functions next to
check_name().

While there, drop the quotes around the meta-type in
check_name_str()'s error messages: "'command' uses ... name 'NAME'"
becomes "command uses ... name 'NAME'".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-13-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-09-27 15:46:25 +02:00
parent 64e04f7149
commit 67fa64ce0e
3 changed files with 12 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

16
scripts/qapi/common.py
View file

@ -741,6 +741,13 @@ def check_name_str(name, info, source,
assert not membername.startswith('*') assert not membername.startswith('*')
def check_defn_name_str(name, info, meta):
check_name_str(name, info, meta, permit_upper=True)
if name.endswith('Kind') or name.endswith('List'):
raise QAPISemError(
info, "%s '%s' should not end in '%s'" % (meta, name, name[-4:]))
def add_name(name, info, meta): def add_name(name, info, meta):
global all_names global all_names
# FIXME should reject names that differ only in '_' vs. '.' # FIXME should reject names that differ only in '_' vs. '.'
@ -748,9 +755,6 @@ def add_name(name, info, meta):
if name in all_names: if name in all_names:
raise QAPISemError(info, "%s '%s' is already defined" raise QAPISemError(info, "%s '%s' is already defined"
% (all_names[name], name)) % (all_names[name], name))
if name.endswith('Kind') or name.endswith('List'):
raise QAPISemError(info, "%s '%s' should not end in '%s'"
% (meta, name, name[-4:]))
all_names[name] = meta all_names[name] = meta
@ -1162,7 +1166,7 @@ def check_exprs(exprs):
name = expr[meta] name = expr[meta]
check_name_is_str(name, info, "'%s'" % meta) check_name_is_str(name, info, "'%s'" % meta)
info.set_defn(meta, name) info.set_defn(meta, name)
check_name_str(name, info, "'%s'" % meta, permit_upper=True) check_defn_name_str(name, info, meta)
add_name(name, info, meta) add_name(name, info, meta)
if doc and doc.symbol != name: if doc and doc.symbol != name:
raise QAPISemError( raise QAPISemError(
@ -1889,13 +1893,13 @@ class QAPISchema(object):
def _make_implicit_enum_type(self, name, info, ifcond, values): def _make_implicit_enum_type(self, name, info, ifcond, values):
# See also QAPISchemaObjectTypeMember.describe() # See also QAPISchemaObjectTypeMember.describe()
name = name + 'Kind' # Use namespace reserved by add_name() name = name + 'Kind' # reserved by check_defn_name_str()
self._def_entity(QAPISchemaEnumType( self._def_entity(QAPISchemaEnumType(
name, info, None, ifcond, self._make_enum_members(values), None)) name, info, None, ifcond, self._make_enum_members(values), None))
return name return name
def _make_array_type(self, element_type, info): def _make_array_type(self, element_type, info):
name = element_type + 'List' # Use namespace reserved by add_name() name = element_type + 'List' # reserved by check_defn_name_str()
if not self.lookup_type(name): if not self.lookup_type(name):
self._def_entity(QAPISchemaArrayType(name, info, element_type)) self._def_entity(QAPISchemaArrayType(name, info, element_type))
return name return name

2
tests/qapi-schema/bad-ident.err
View file

@ -1,2 +1,2 @@
tests/qapi-schema/bad-ident.json: In struct '*oops': tests/qapi-schema/bad-ident.json: In struct '*oops':
tests/qapi-schema/bad-ident.json:2: 'struct' uses invalid name '*oops' tests/qapi-schema/bad-ident.json:2: struct uses invalid name '*oops'

2
tests/qapi-schema/reserved-command-q.err
View file

@ -1,2 +1,2 @@
tests/qapi-schema/reserved-command-q.json: In command 'q-unix': tests/qapi-schema/reserved-command-q.json: In command 'q-unix':
tests/qapi-schema/reserved-command-q.json:5: 'command' uses invalid name 'q-unix' tests/qapi-schema/reserved-command-q.json:5: command uses invalid name 'q-unix'