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-rw-r--r--scripts/qapi-visit.py18
1 files changed, 16 insertions, 2 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 1e44004a1e..c39e6284b8 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -17,7 +17,7 @@ import os
import getopt
import errno
-def generate_visit_struct_fields(name, field_prefix, fn_prefix, members):
+def generate_visit_struct_fields(name, field_prefix, fn_prefix, members, base = None):
substructs = []
ret = ''
full_name = name if not fn_prefix else "%s_%s" % (name, fn_prefix)
@@ -42,6 +42,19 @@ static void visit_type_%(full_name)s_fields(Visitor *m, %(name)s ** obj, Error *
name=name, full_name=full_name)
push_indent()
+ if base:
+ ret += mcgen('''
+visit_start_implicit_struct(m, obj ? (void**) &(*obj)->%(c_name)s : NULL, sizeof(%(type)s), &err);
+if (!err) {
+ visit_type_%(type)s_fields(m, obj ? &(*obj)->%(c_prefix)s%(c_name)s : NULL, &err);
+ error_propagate(errp, err);
+ err = NULL;
+ visit_end_implicit_struct(m, &err);
+}
+''',
+ c_prefix=c_var(field_prefix),
+ type=type_name(base), c_name=c_var('base'))
+
for argname, argentry, optional, structured in parse_args(members):
if optional:
ret += mcgen('''
@@ -124,8 +137,9 @@ def generate_visit_struct(expr):
name = expr['type']
members = expr['data']
+ base = expr.get('base')
- ret = generate_visit_struct_fields(name, "", "", members)
+ ret = generate_visit_struct_fields(name, "", "", members, base)
ret += mcgen('''