[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 08/15] qapi-visit: Unify struct and union visit
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PULL 08/15] qapi-visit: Unify struct and union visit |
Date: |
Fri, 19 Feb 2016 13:17:59 +0100 |
gen_visit_union() is now just like gen_visit_struct(). Rename
it to gen_visit_object(), use it for structs, and drop
gen_visit_struct(). Output is unchanged.
Signed-off-by: Markus Armbruster <address@hidden>
Message-Id: <address@hidden>
[split out variant handling, rebase to earlier changes]
Signed-off-by: Eric Blake <address@hidden>
Message-Id: <address@hidden>
---
scripts/qapi-visit.py | 45 ++++++---------------------------------------
1 file changed, 6 insertions(+), 39 deletions(-)
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 5e91342..4a04354 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -155,40 +155,6 @@ out:
return ret
-def gen_visit_struct(name, base, members):
- ret = gen_visit_struct_fields(name, base, members, None)
-
- # FIXME: if *obj is NULL on entry, and visit_start_struct() assigns to
- # *obj, but then visit_type_FOO_fields() fails, we should clean up *obj
- # rather than leaving it non-NULL. As currently written, the caller must
- # call qapi_free_FOO() to avoid a memory leak of the partial FOO.
- ret += mcgen('''
-
-void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj,
Error **errp)
-{
- Error *err = NULL;
-
- 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);
-}
-''',
- c_name=c_name(name))
-
- return ret
-
-
def gen_visit_list(name, element_type):
# FIXME: if *obj is NULL on entry, and the first visit_next_list()
# assigns to *obj, while a later one fails, we should clean up *obj
@@ -284,9 +250,13 @@ out:
return ret
-def gen_visit_union(name, base, members, variants):
+def gen_visit_object(name, base, members, variants):
ret = gen_visit_struct_fields(name, base, members, variants)
+ # FIXME: if *obj is NULL on entry, and visit_start_struct() assigns to
+ # *obj, but then visit_type_FOO_fields() fails, we should clean up *obj
+ # rather than leaving it non-NULL. As currently written, the caller must
+ # call qapi_free_FOO() to avoid a memory leak of the partial FOO.
ret += mcgen('''
void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj,
Error **errp)
@@ -363,10 +333,7 @@ class QAPISchemaGenVisitVisitor(QAPISchemaVisitor):
def visit_object_type(self, name, info, base, members, variants):
self.decl += gen_visit_decl(name)
- if variants:
- self.defn += gen_visit_union(name, base, members, variants)
- else:
- self.defn += gen_visit_struct(name, base, members)
+ self.defn += gen_visit_object(name, base, members, variants)
def visit_alternate_type(self, name, info, variants):
self.decl += gen_visit_decl(name)
--
2.4.3
- [Qemu-devel] [PULL 00/15] QAPI patches for 2016-02-19, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 12/15] qapi-visit: Use common idiom in gen_visit_fields_decl(), Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 02/15] qapi: Simplify excess input reporting in input visitors, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 01/15] qapi-visit: Honor prefix of discriminator enum, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 04/15] qapi: Forbid 'any' inside an alternate, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 09/15] qapi-visit: Less indirection in visit_type_Foo_fields(), Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 08/15] qapi-visit: Unify struct and union visit,
Markus Armbruster <=
- [Qemu-devel] [PULL 06/15] qapi-visit: Simplify how we visit common union members, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 10/15] qapi: Adjust layout of FooList types, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 13/15] qapi: Don't box struct branch of alternate, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 03/15] qapi: Forbid empty unions and useless alternates, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 11/15] qapi: Emit structs used as variants in topological order, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 07/15] qapi: Visit variants in visit_type_FOO_fields(), Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 05/15] qapi: Add tests of complex objects within alternate, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 15/15] qapi: Change visit_start_implicit_struct to visit_start_alternate, Markus Armbruster, 2016/02/19
- [Qemu-devel] [PULL 14/15] qapi: Don't box branches of flat unions, Markus Armbruster, 2016/02/19