diff options
Diffstat (limited to 'scripts/qapi-visit.py')
| -rw-r--r-- | scripts/qapi-visit.py | 72 |
1 files changed, 35 insertions, 37 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index b93690b608..0fdcebcca8 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -2,7 +2,7 @@ # QAPI visitor generator # # Copyright IBM, Corp. 2011 -# Copyright (C) 2014-2015 Red Hat, Inc. +# Copyright (C) 2014-2016 Red Hat, Inc. # # Authors: # Anthony Liguori <aliguori@us.ibm.com> @@ -29,7 +29,7 @@ def gen_visit_decl(name, scalar=False): if not scalar: c_type += '*' return mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_type)sobj, const char *name, Error **errp); +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, Error **errp); ''', c_name=c_name(name), c_type=c_type) @@ -62,7 +62,7 @@ static void visit_type_implicit_%(c_type)s(Visitor *v, %(c_type)s **obj, Error * visit_start_implicit_struct(v, (void **)obj, sizeof(%(c_type)s), &err); if (!err) { visit_type_%(c_type)s_fields(v, obj, errp); - visit_end_implicit_struct(v, &err); + visit_end_implicit_struct(v); } error_propagate(errp, err); } @@ -118,21 +118,27 @@ def gen_visit_struct(name, base, members): # call qapi_free_FOO() to avoid a memory leak of the partial FOO. ret += mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error **errp) +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { Error *err = NULL; - visit_start_struct(v, (void **)obj, "%(name)s", name, sizeof(%(c_name)s), &err); - if (!err) { - if (*obj) { - visit_type_%(c_name)s_fields(v, obj, errp); - } - visit_end_struct(v, &err); + visit_start_struct(v, name, (void **)obj, sizeof(%(c_name)s), &err); + if (err) { + goto out; + } + if (!*obj) { + goto out_obj; } + visit_type_%(c_name)s_fields(v, obj, &err); + error_propagate(errp, err); + err = NULL; +out_obj: + visit_end_struct(v, &err); +out: error_propagate(errp, err); } ''', - name=name, c_name=c_name(name)) + c_name=c_name(name)) return ret @@ -144,7 +150,7 @@ def gen_visit_list(name, element_type): # call qapi_free_FOOList() to avoid a memory leak of the partial FOOList. return mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error **errp) +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { Error *err = NULL; GenericList *i, **prev; @@ -155,15 +161,13 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error } for (prev = (GenericList **)obj; - !err && (i = visit_next_list(v, prev, &err)) != NULL; + !err && (i = visit_next_list(v, prev)) != NULL; prev = &i) { %(c_name)s *native_i = (%(c_name)s *)i; - visit_type_%(c_elt_type)s(v, &native_i->value, NULL, &err); + visit_type_%(c_elt_type)s(v, NULL, &native_i->value, &err); } - error_propagate(errp, err); - err = NULL; - visit_end_list(v, &err); + visit_end_list(v); out: error_propagate(errp, err); } @@ -172,15 +176,16 @@ out: def gen_visit_enum(name): - # FIXME cast from enum *obj to int * invalidly assumes enum is int return mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_name)s *obj, const char *name, Error **errp) +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error **errp) { - visit_type_enum(v, (int *)obj, %(c_name)s_lookup, "%(name)s", name, errp); + int value = *obj; + visit_type_enum(v, name, &value, %(c_name)s_lookup, errp); + *obj = value; } ''', - c_name=c_name(name), name=name) + c_name=c_name(name)) def gen_visit_alternate(name, variants): @@ -191,7 +196,7 @@ def gen_visit_alternate(name, variants): ret = mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error **errp) +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { Error *err = NULL; @@ -199,7 +204,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error if (err) { goto out; } - visit_get_next_type(v, &(*obj)->type, %(promote_int)s, name, &err); + visit_get_next_type(v, name, &(*obj)->type, %(promote_int)s, &err); if (err) { goto out_obj; } @@ -210,7 +215,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error for var in variants.variants: ret += mcgen(''' case %(case)s: - visit_type_%(c_type)s(v, &(*obj)->u.%(c_name)s, name, &err); + visit_type_%(c_type)s(v, name, &(*obj)->u.%(c_name)s, &err); break; ''', case=var.type.alternate_qtype(), @@ -223,9 +228,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error "%(name)s"); } out_obj: - error_propagate(errp, err); - err = NULL; - visit_end_implicit_struct(v, &err); + visit_end_implicit_struct(v); out: error_propagate(errp, err); } @@ -248,11 +251,11 @@ def gen_visit_union(name, base, variants): ret += mcgen(''' -void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error **errp) +void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { Error *err = NULL; - visit_start_struct(v, (void **)obj, "%(name)s", name, sizeof(%(c_name)s), &err); + visit_start_struct(v, name, (void **)obj, sizeof(%(c_name)s), &err); if (err) { goto out; } @@ -260,7 +263,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error goto out_obj; } ''', - c_name=c_name(name), name=name) + c_name=c_name(name)) if base: ret += mcgen(''' @@ -269,7 +272,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error c_name=base.c_name()) else: ret += mcgen(''' - visit_type_%(c_type)s(v, &(*obj)->%(c_name)s, "%(name)s", &err); + visit_type_%(c_type)s(v, "%(name)s", &(*obj)->%(c_name)s, &err); ''', c_type=variants.tag_member.type.c_name(), c_name=c_name(variants.tag_member.name), @@ -293,7 +296,7 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error var.name)) if simple_union_type: ret += mcgen(''' - visit_type_%(c_type)s(v, &(*obj)->u.%(c_name)s, "data", &err); + visit_type_%(c_type)s(v, "data", &(*obj)->u.%(c_name)s, &err); ''', c_type=simple_union_type.c_name(), c_name=c_name(var.name)) @@ -314,11 +317,6 @@ void visit_type_%(c_name)s(Visitor *v, %(c_name)s **obj, const char *name, Error out_obj: error_propagate(errp, err); err = NULL; - if (*obj) { - visit_end_union(v, !!(*obj)->u.data, &err); - } - error_propagate(errp, err); - err = NULL; visit_end_struct(v, &err); out: error_propagate(errp, err); |