diff options
Diffstat (limited to 'scripts/qapi.py')
| -rw-r--r-- | scripts/qapi.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py index 4b5d574e0d..8d2681b24b 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -544,7 +544,7 @@ def check_union(expr, expr_info): base = expr.get('base') discriminator = expr.get('discriminator') members = expr['data'] - values = {'MAX': '(automatic)'} + values = {'MAX': '(automatic)', 'KIND': '(automatic)'} # Two types of unions, determined by discriminator. @@ -603,13 +603,19 @@ def check_union(expr, expr_info): " of branch '%s'" % key) # If the discriminator names an enum type, then all members - # of 'data' must also be members of the enum type. + # of 'data' must also be members of the enum type, which in turn + # must not collide with the discriminator name. if enum_define: if key not in enum_define['enum_values']: raise QAPIExprError(expr_info, "Discriminator value '%s' is not found in " "enum '%s'" % (key, enum_define["enum_name"])) + if discriminator in enum_define['enum_values']: + raise QAPIExprError(expr_info, + "Discriminator name '%s' collides with " + "enum value in '%s'" % + (discriminator, enum_define["enum_name"])) # Otherwise, check for conflicts in the generated enum else: |