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-rw-r--r--scripts/qapi-types.py38
1 files changed, 22 insertions, 16 deletions
diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py
index ac8dad3..82141cd 100644
--- a/scripts/qapi-types.py
+++ b/scripts/qapi-types.py
@@ -200,13 +200,30 @@ def generate_union(expr, meta):
ret = mcgen('''
struct %(name)s
{
- %(discriminator_type_name)s %(discriminator)s;
- union {
+''',
+ name=name)
+ if base:
+ ret += mcgen('''
+ /* Members inherited from %(c_name)s: */
+''',
+ c_name=c_name(base))
+ base_fields = find_struct(base)['data']
+ ret += generate_struct_fields(base_fields)
+ ret += mcgen('''
+ /* Own members: */
+''')
+ else:
+ assert not discriminator
+ ret += mcgen('''
+ %(discriminator_type_name)s kind;
+''',
+ discriminator_type_name=c_name(discriminator_type_name))
+
+ ret += mcgen('''
+ union { /* union tag is @%(c_name)s */
void *data;
''',
- name=name,
- discriminator=c_name(discriminator or 'kind'),
- discriminator_type_name=c_name(discriminator_type_name))
+ c_name=c_name(discriminator or 'kind'))
for key in typeinfo:
ret += mcgen('''
@@ -217,17 +234,6 @@ struct %(name)s
ret += mcgen('''
};
-''')
-
- if base:
- assert discriminator
- base_fields = find_struct(base)['data'].copy()
- del base_fields[discriminator]
- ret += generate_struct_fields(base_fields)
- else:
- assert not discriminator
-
- ret += mcgen('''
};
''')
if meta == 'alternate':