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qapi: Move context-free checking to the proper place

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QAPISchemaCommand.check() and QAPISchemaEvent().check() check 'data'
is present when 'boxed': true.  That's context-free.  Move to
check_command() and check_event().

Tweak the error message while there.

check_exprs() & friends now check exactly what qapi-code-gen.txt calls
the second layer of syntax.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-18-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-09-27 15:46:30 +02:00
parent fa110c6a9e
commit 4ebda5abdb
2 changed files with 9 additions and 9 deletions
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16
scripts/qapi/common.py
View File

@ -768,10 +768,12 @@ def check_type(value, info, source,
def check_command(expr, info):
name = expr['command']
args = expr.get('data')
boxed = expr.get('boxed', False)
check_type(expr.get('data'), info,
"'data' for command '%s'" % name,
if boxed and args is None:
raise QAPISemError(info, "'boxed': true requires 'data'")
check_type(args, info, "'data' for command '%s'" % name,
allow_dict=not boxed)
check_type(expr.get('returns'), info,
"'returns' for command '%s'" % name,
@ -780,10 +782,12 @@ def check_command(expr, info):
def check_event(expr, info):
name = expr['event']
args = expr.get('data')
boxed = expr.get('boxed', False)
check_type(expr.get('data'), info,
"'data' for event '%s'" % name,
if boxed and args is None:
raise QAPISemError(info, "'boxed': true requires 'data'")
check_type(args, info, "'data' for event '%s'" % name,
allow_dict=not boxed)
@ -1699,8 +1703,6 @@ class QAPISchemaCommand(QAPISchemaEntity):
self.info,
"command's 'data' can take %s only with 'boxed': true"
% self.arg_type.describe())
elif self.boxed:
raise QAPISemError(self.info, "use of 'boxed' requires 'data'")
if self._ret_type_name:
self.ret_type = schema.resolve_type(
self._ret_type_name, self.info, "command's 'returns'")
@ -1748,8 +1750,6 @@ class QAPISchemaEvent(QAPISchemaEntity):
self.info,
"event's 'data' can take %s only with 'boxed': true"
% self.arg_type.describe())
elif self.boxed:
raise QAPISemError(self.info, "use of 'boxed' requires 'data'")
def visit(self, visitor):
QAPISchemaEntity.visit(self, visitor)

2
tests/qapi-schema/event-boxed-empty.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/event-boxed-empty.json: In event 'FOO':
tests/qapi-schema/event-boxed-empty.json:2: use of 'boxed' requires 'data'
tests/qapi-schema/event-boxed-empty.json:2: 'boxed': true requires 'data'