qapi: modify visitor code generation for list iteration

Modify logic such that we never assign values to the list head argument
to progress through the list on subsequent iterations, instead rely only
on having our return value passed back in as an argument on the next
call. Also update QMP I/O visitors and test cases accordingly, and add a
missing test case for QmpOutputVisitor.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Michael Roth 2011-09-19 19:03:11 -05:00 committed by Luiz Capitulino
parent 0b9d854230
commit e1bc2f7b3f
4 changed files with 61 additions and 17 deletions

View file

@ -79,11 +79,11 @@ def generate_visit_list(name, members):
void visit_type_%(name)sList(Visitor *m, %(name)sList ** obj, const char *name, Error **errp)
{
GenericList *i;
GenericList *i, **head = (GenericList **)obj;
visit_start_list(m, name, errp);
for (i = visit_next_list(m, (GenericList **)obj, errp); i; i = visit_next_list(m, &i, errp)) {
for (*head = i = visit_next_list(m, head, errp); i; i = visit_next_list(m, &i, errp)) {
%(name)sList *native_i = (%(name)sList *)i;
visit_type_%(name)s(m, &native_i->value, NULL, errp);
}