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-rw-r--r--scripts/qapi/visit.py107
1 files changed, 43 insertions, 64 deletions
diff --git a/scripts/qapi/visit.py b/scripts/qapi/visit.py
index d5d7a1031f..3fb2f30510 100644
--- a/scripts/qapi/visit.py
+++ b/scripts/qapi/visit.py
@@ -23,7 +23,7 @@ def gen_visit_decl(name, scalar=False):
if not scalar:
c_type += '*'
return mcgen('''
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, Error **errp);
+bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, Error **errp);
''',
c_name=c_name(name), c_type=c_type)
@@ -31,7 +31,7 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, Error **
def gen_visit_members_decl(name):
return mcgen('''
-void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp);
+bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp);
''',
c_name=c_name(name))
@@ -39,18 +39,15 @@ void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp);
def gen_visit_object_members(name, base, members, variants):
ret = mcgen('''
-void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
+bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
{
- Error *err = NULL;
-
''',
c_name=c_name(name))
if base:
ret += mcgen('''
- visit_type_%(c_type)s_members(v, (%(c_type)s *)obj, &err);
- if (err) {
- goto out;
+ if (!visit_type_%(c_type)s_members(v, (%(c_type)s *)obj, errp)) {
+ return false;
}
''',
c_type=base.c_name())
@@ -64,9 +61,8 @@ void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
name=memb.name, c_name=c_name(memb.name))
push_indent()
ret += mcgen('''
- visit_type_%(c_type)s(v, "%(name)s", &obj->%(c_name)s, &err);
- if (err) {
- goto out;
+ if (!visit_type_%(c_type)s(v, "%(name)s", &obj->%(c_name)s, errp)) {
+ return false;
}
''',
c_type=memb.type.c_name(), name=memb.name,
@@ -99,8 +95,7 @@ void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
else:
ret += mcgen('''
case %(case)s:
- visit_type_%(c_type)s_members(v, &obj->u.%(c_name)s, &err);
- break;
+ return visit_type_%(c_type)s_members(v, &obj->u.%(c_name)s, errp);
''',
case=case_str,
c_type=var.type.c_name(), c_name=c_name(var.name))
@@ -112,15 +107,8 @@ void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp)
}
''')
- # 'goto out' produced for base, for each member, and if variants were
- # present
- if base or members or variants:
- ret += mcgen('''
-
-out:
-''')
ret += mcgen('''
- error_propagate(errp, err);
+ return true;
}
''')
return ret
@@ -129,35 +117,31 @@ out:
def gen_visit_list(name, element_type):
return mcgen('''
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
+bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
{
- Error *err = NULL;
+ bool ok = false;
%(c_name)s *tail;
size_t size = sizeof(**obj);
- visit_start_list(v, name, (GenericList **)obj, size, &err);
- if (err) {
- goto out;
+ if (!visit_start_list(v, name, (GenericList **)obj, size, errp)) {
+ return false;
}
for (tail = *obj; tail;
tail = (%(c_name)s *)visit_next_list(v, (GenericList *)tail, size)) {
- visit_type_%(c_elt_type)s(v, NULL, &tail->value, &err);
- if (err) {
- break;
+ if (!visit_type_%(c_elt_type)s(v, NULL, &tail->value, errp)) {
+ goto out_obj;
}
}
- if (!err) {
- visit_check_list(v, &err);
- }
+ ok = visit_check_list(v, errp);
+out_obj:
visit_end_list(v, (void **)obj);
- if (err && visit_is_input(v)) {
+ if (!ok && visit_is_input(v)) {
qapi_free_%(c_name)s(*obj);
*obj = NULL;
}
-out:
- error_propagate(errp, err);
+ return ok;
}
''',
c_name=c_name(name), c_elt_type=element_type.c_name())
@@ -166,11 +150,12 @@ out:
def gen_visit_enum(name):
return mcgen('''
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error **errp)
+bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error **errp)
{
int value = *obj;
- visit_type_enum(v, name, &value, &%(c_name)s_lookup, errp);
+ bool ok = visit_type_enum(v, name, &value, &%(c_name)s_lookup, errp);
*obj = value;
+ return ok;
}
''',
c_name=c_name(name))
@@ -179,18 +164,18 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error
def gen_visit_alternate(name, variants):
ret = mcgen('''
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
+bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
{
- Error *err = NULL;
+ bool ok = false;
- visit_start_alternate(v, name, (GenericAlternate **)obj, sizeof(**obj),
- &err);
- if (err) {
- goto out;
+ if (!visit_start_alternate(v, name, (GenericAlternate **)obj,
+ sizeof(**obj), errp)) {
+ return false;
}
if (!*obj) {
/* incomplete */
assert(visit_is_dealloc(v));
+ ok = true;
goto out_obj;
}
switch ((*obj)->type) {
@@ -205,13 +190,11 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error
case=var.type.alternate_qtype())
if isinstance(var.type, QAPISchemaObjectType):
ret += mcgen('''
- visit_start_struct(v, name, NULL, 0, &err);
- if (err) {
+ if (!visit_start_struct(v, name, NULL, 0, errp)) {
break;
}
- visit_type_%(c_type)s_members(v, &(*obj)->u.%(c_name)s, &err);
- if (!err) {
- visit_check_struct(v, &err);
+ if (visit_type_%(c_type)s_members(v, &(*obj)->u.%(c_name)s, errp)) {
+ ok = visit_check_struct(v, errp);
}
visit_end_struct(v, NULL);
''',
@@ -219,7 +202,7 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error
c_name=c_name(var.name))
else:
ret += mcgen('''
- visit_type_%(c_type)s(v, name, &(*obj)->u.%(c_name)s, &err);
+ ok = visit_type_%(c_type)s(v, name, &(*obj)->u.%(c_name)s, errp);
''',
c_type=var.type.c_name(),
c_name=c_name(var.name))
@@ -233,7 +216,7 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error
abort();
default:
assert(visit_is_input(v));
- error_setg(&err, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"%(name)s");
/* Avoid passing invalid *obj to qapi_free_%(c_name)s() */
g_free(*obj);
@@ -241,12 +224,11 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error
}
out_obj:
visit_end_alternate(v, (void **)obj);
- if (err && visit_is_input(v)) {
+ if (!ok && visit_is_input(v)) {
qapi_free_%(c_name)s(*obj);
*obj = NULL;
}
-out:
- error_propagate(errp, err);
+ return ok;
}
''',
name=name, c_name=c_name(name))
@@ -257,32 +239,29 @@ out:
def gen_visit_object(name, base, members, variants):
return mcgen('''
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
+bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
{
- Error *err = NULL;
+ bool ok = false;
- visit_start_struct(v, name, (void **)obj, sizeof(%(c_name)s), &err);
- if (err) {
- goto out;
+ if (!visit_start_struct(v, name, (void **)obj, sizeof(%(c_name)s), errp)) {
+ return false;
}
if (!*obj) {
/* incomplete */
assert(visit_is_dealloc(v));
goto out_obj;
}
- visit_type_%(c_name)s_members(v, *obj, &err);
- if (err) {
+ if (!visit_type_%(c_name)s_members(v, *obj, errp)) {
goto out_obj;
}
- visit_check_struct(v, &err);
+ ok = visit_check_struct(v, errp);
out_obj:
visit_end_struct(v, (void **)obj);
- if (err && visit_is_input(v)) {
+ if (!ok && visit_is_input(v)) {
qapi_free_%(c_name)s(*obj);
*obj = NULL;
}
-out:
- error_propagate(errp, err);
+ return ok;
}
''',
c_name=c_name(name))
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-25 12:40:17 +0200