diff options
Diffstat (limited to 'scripts/qapi-visit.py')
| -rw-r--r-- | scripts/qapi-visit.py | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index 0baaf606dc..45ce3a957a 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -259,10 +259,16 @@ def generate_visit_union(expr): assert not base return generate_visit_anon_union(name, members) - # There will always be a discriminator in the C switch code, by default it - # is an enum type generated silently as "'%sKind' % (name)" - ret = generate_visit_enum('%sKind' % name, members.keys()) - disc_type = '%sKind' % (name) + enum_define = discriminator_find_enum_define(expr) + if enum_define: + # Use the enum type as discriminator + ret = "" + disc_type = enum_define['enum_name'] + else: + # There will always be a discriminator in the C switch code, by default it + # is an enum type generated silently as "'%sKind' % (name)" + ret = generate_visit_enum('%sKind' % name, members.keys()) + disc_type = '%sKind' % (name) if base: base_fields = find_struct(base)['data'] @@ -298,15 +304,16 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error ** pop_indent() if not discriminator: - desc_type = "type" + disc_key = "type" else: - desc_type = discriminator + disc_key = discriminator ret += mcgen(''' - visit_type_%(name)sKind(m, &(*obj)->kind, "%(type)s", &err); + visit_type_%(disc_type)s(m, &(*obj)->kind, "%(disc_key)s", &err); if (!err) { switch ((*obj)->kind) { ''', - name=name, type=desc_type) + disc_type = disc_type, + disc_key = disc_key) for key in members: if not discriminator: @@ -517,7 +524,11 @@ for expr in exprs: ret += generate_visit_list(expr['union'], expr['data']) fdef.write(ret) - ret = generate_decl_enum('%sKind' % expr['union'], expr['data'].keys()) + enum_define = discriminator_find_enum_define(expr) + ret = "" + if not enum_define: + ret = generate_decl_enum('%sKind' % expr['union'], + expr['data'].keys()) ret += generate_declaration(expr['union'], expr['data']) fdecl.write(ret) elif expr.has_key('enum'): |