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Diffstat (limited to 'qapi/qapi-visit-core.c')
-rw-r--r--qapi/qapi-visit-core.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c
index 3cd7edcc12..528092e55f 100644
--- a/qapi/qapi-visit-core.c
+++ b/qapi/qapi-visit-core.c
@@ -23,7 +23,13 @@
 void visit_start_struct(Visitor *v, const char *name, void **obj,
                         size_t size, Error **errp)
 {
-    v->start_struct(v, name, obj, size, errp);
+    Error *err = NULL;
+
+    v->start_struct(v, name, obj, size, &err);
+    if (obj && v->type == VISITOR_INPUT) {
+        assert(!err != !*obj);
+    }
+    error_propagate(errp, err);
 }
 
 void visit_end_struct(Visitor *v, Error **errp)
@@ -51,10 +57,16 @@ void visit_start_alternate(Visitor *v, const char *name,
                            GenericAlternate **obj, size_t size,
                            bool promote_int, Error **errp)
 {
+    Error *err = NULL;
+
     assert(obj && size >= sizeof(GenericAlternate));
     if (v->start_alternate) {
-        v->start_alternate(v, name, obj, size, promote_int, errp);
+        v->start_alternate(v, name, obj, size, promote_int, &err);
+    }
+    if (v->type == VISITOR_INPUT) {
+        assert(v->start_alternate && !err != !*obj);
     }
+    error_propagate(errp, err);
 }
 
 void visit_end_alternate(Visitor *v)
@@ -188,7 +200,14 @@ void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp)
 
 void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp)
 {
-    v->type_str(v, name, obj, errp);
+    Error *err = NULL;
+
+    assert(obj);
+    v->type_str(v, name, obj, &err);
+    if (v->type == VISITOR_INPUT) {
+        assert(!err != !*obj);
+    }
+    error_propagate(errp, err);
 }
 
 void visit_type_number(Visitor *v, const char *name, double *obj,
@@ -199,7 +218,14 @@ void visit_type_number(Visitor *v, const char *name, double *obj,
 
 void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp)
 {
-    v->type_any(v, name, obj, errp);
+    Error *err = NULL;
+
+    assert(obj);
+    v->type_any(v, name, obj, &err);
+    if (v->type == VISITOR_INPUT) {
+        assert(!err != !*obj);
+    }
+    error_propagate(errp, err);
 }
 
 static void output_type_enum(Visitor *v, const char *name, int *obj,