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-rw-r--r--scripts/qapi-visit.py22
1 files changed, 16 insertions, 6 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 2dc3aed220..d4408f25b1 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -15,7 +15,12 @@
from qapi import *
import re
+# visit_type_FOO_implicit() is emitted as needed; track if it has already
+# been output.
implicit_structs_seen = set()
+
+# visit_type_FOO_fields() is always emitted; track if a forward declaration
+# or implementation has already been output.
struct_fields_seen = set()
@@ -29,19 +34,24 @@ void visit_type_%(c_name)s(Visitor *v, %(c_type)sobj, const char *name, Error **
c_name=c_name(name), c_type=c_type)
-def gen_visit_implicit_struct(typ):
- if typ in implicit_structs_seen:
- return ''
- implicit_structs_seen.add(typ)
-
+def gen_visit_fields_decl(typ):
ret = ''
if typ.name not in struct_fields_seen:
- # Need a forward declaration
ret += mcgen('''
static void visit_type_%(c_type)s_fields(Visitor *v, %(c_type)s **obj, Error **errp);
''',
c_type=typ.c_name())
+ struct_fields_seen.add(typ.name)
+ return ret
+
+
+def gen_visit_implicit_struct(typ):
+ if typ in implicit_structs_seen:
+ return ''
+ implicit_structs_seen.add(typ)
+
+ ret = gen_visit_fields_decl(typ)
ret += mcgen('''