diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/qapi/expr.py | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py index 9e2aa1d43a..ae4437ba08 100644 --- a/scripts/qapi/expr.py +++ b/scripts/qapi/expr.py @@ -630,20 +630,15 @@ def check_exprs(exprs: List[_JSONObject]) -> List[_JSONObject]: if 'include' in expr: continue - if 'enum' in expr: - meta = 'enum' - elif 'union' in expr: - meta = 'union' - elif 'alternate' in expr: - meta = 'alternate' - elif 'struct' in expr: - meta = 'struct' - elif 'command' in expr: - meta = 'command' - elif 'event' in expr: - meta = 'event' - else: - raise QAPISemError(info, "expression is missing metatype") + metas = expr.keys() & {'enum', 'struct', 'union', 'alternate', + 'command', 'event'} + if len(metas) != 1: + raise QAPISemError( + info, + "expression must have exactly one key" + " 'enum', 'struct', 'union', 'alternate'," + " 'command', 'event'") + meta = metas.pop() check_name_is_str(expr[meta], info, "'%s'" % meta) name = cast(str, expr[meta]) |