diff options
Diffstat (limited to 'include/qapi/visitor-impl.h')
| -rw-r--r-- | include/qapi/visitor-impl.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h index 145afd0..8bd47ee 100644 --- a/include/qapi/visitor-impl.h +++ b/include/qapi/visitor-impl.h @@ -27,14 +27,18 @@ */ /* - * There are three classes of visitors; setting the class determines + * There are four classes of visitors; setting the class determines * how QAPI enums are visited, as well as what additional restrictions - * can be asserted. + * can be asserted. The values are intentionally chosen so as to + * permit some assertions based on whether a given bit is set (that + * is, some assertions apply to input and clone visitors, some + * assertions apply to output and clone visitors). */ typedef enum VisitorType { - VISITOR_INPUT, - VISITOR_OUTPUT, - VISITOR_DEALLOC, + VISITOR_INPUT = 1, + VISITOR_OUTPUT = 2, + VISITOR_CLONE = 3, + VISITOR_DEALLOC = 4, } VisitorType; struct Visitor @@ -47,7 +51,7 @@ struct Visitor void (*check_struct)(Visitor *v, Error **errp); /* Must be set to visit structs */ - void (*end_struct)(Visitor *v); + void (*end_struct)(Visitor *v, void **obj); /* Must be set; implementations may require @list to be non-null, * but must document it. */ @@ -58,7 +62,7 @@ struct Visitor GenericList *(*next_list)(Visitor *v, GenericList *tail, size_t size); /* Must be set */ - void (*end_list)(Visitor *v); + void (*end_list)(Visitor *v, void **list); /* Must be set by input and dealloc visitors to visit alternates; * optional for output visitors. */ @@ -67,7 +71,7 @@ struct Visitor bool promote_int, Error **errp); /* Optional, needed for dealloc visitor */ - void (*end_alternate)(Visitor *v); + void (*end_alternate)(Visitor *v, void **obj); /* Must be set */ void (*type_int64)(Visitor *v, const char *name, int64_t *obj, @@ -104,6 +108,12 @@ struct Visitor /* Must be set */ VisitorType type; + + /* Must be set for output visitors, optional otherwise. */ + void (*complete)(Visitor *v, void *opaque); + + /* Must be set */ + void (*free)(Visitor *v); }; #endif |