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-rw-r--r--scripts/qapi/expr.py21
1 files changed, 6 insertions, 15 deletions
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index 91959ee79a..819ea6ad97 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -513,27 +513,18 @@ def check_union(expr: _JSONObject, info: QAPISourceInfo) -> None:
:return: None, ``expr`` is normalized in-place as needed.
"""
name = cast(str, expr['union']) # Checked in check_exprs
- base = expr.get('base')
- discriminator = expr.get('discriminator')
+ base = expr['base']
+ discriminator = expr['discriminator']
members = expr['data']
- if discriminator is None: # simple union
- if base is not None:
- raise QAPISemError(info, "'base' requires 'discriminator'")
- else: # flat union
- check_type(base, info, "'base'", allow_dict=name)
- if not base:
- raise QAPISemError(info, "'discriminator' requires 'base'")
- check_name_is_str(discriminator, info, "'discriminator'")
+ check_type(base, info, "'base'", allow_dict=name)
+ check_name_is_str(discriminator, info, "'discriminator'")
if not isinstance(members, dict):
raise QAPISemError(info, "'data' must be an object")
for (key, value) in members.items():
source = "'data' member '%s'" % key
- if discriminator is None:
- check_name_lower(key, info, source)
- # else: name is in discriminator enum, which gets checked
check_keys(value, info, source, ['type'], ['if'])
check_if(value, info, source)
check_type(value['type'], info, source, allow_array=not base)
@@ -664,8 +655,8 @@ def check_exprs(exprs: List[_JSONObject]) -> List[_JSONObject]:
check_enum(expr, info)
elif meta == 'union':
check_keys(expr, info, meta,
- ['union', 'data'],
- ['base', 'discriminator', 'if', 'features'])
+ ['union', 'base', 'discriminator', 'data'],
+ ['if', 'features'])
normalize_members(expr.get('base'))
normalize_members(expr['data'])
check_union(expr, info)