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qapi: complete implementation of unions

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-03-06 18:55:56 +01:00 • committed by Kevin Wolf
parent 622d241998
commit dc8fb6df5a
5 changed files with 98 additions and 1 deletions
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6
scripts/qapi-types.py
View file

@ -117,6 +117,7 @@ struct %(name)s
{
%(name)sKind kind;
union {
void *data;
''',
name=name)
@ -269,6 +270,7 @@ for expr in exprs:
elif expr.has_key('union'):
ret += generate_fwd_struct(expr['union'], expr['data']) + "\n"
ret += generate_enum('%sKind' % expr['union'], expr['data'].keys())
fdef.write(generate_enum_lookup('%sKind' % expr['union'], expr['data'].keys()))
else:
continue
fdecl.write(ret)
@ -283,6 +285,10 @@ for expr in exprs:
fdef.write(generate_type_cleanup(expr['type']) + "\n")
elif expr.has_key('union'):
ret += generate_union(expr['union'], expr['data'])
ret += generate_type_cleanup_decl(expr['union'] + "List")
fdef.write(generate_type_cleanup(expr['union'] + "List") + "\n")
ret += generate_type_cleanup_decl(expr['union'])
fdef.write(generate_type_cleanup(expr['union']) + "\n")
else:
continue
fdecl.write(ret)

31
scripts/qapi-visit.py
View file

@ -110,10 +110,38 @@ def generate_visit_union(name, members):
void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp)
{
}
Error *err = NULL;
visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s), &err);
visit_type_%(name)sKind(m, &(*obj)->kind, "type", &err);
if (err) {
error_propagate(errp, err);
goto end;
}
switch ((*obj)->kind) {
''',
name=name)
for key in members:
ret += mcgen('''
case %(abbrev)s_KIND_%(enum)s:
visit_type_%(c_type)s(m, &(*obj)->%(c_name)s, "data", errp);
break;
''',
abbrev = de_camel_case(name).upper(),
enum = de_camel_case(key).upper(),
c_type=members[key],
c_name=c_var(key))
ret += mcgen('''
default:
abort();
}
end:
visit_end_struct(m, errp);
}
''')
return ret
def generate_declaration(name, members, genlist=True):
@ -242,6 +270,7 @@ for expr in exprs:
fdecl.write(ret)
elif expr.has_key('union'):
ret = generate_visit_union(expr['union'], expr['data'])
ret += generate_visit_list(expr['union'], expr['data'])
fdef.write(ret)
ret = generate_decl_enum('%sKind' % expr['union'], expr['data'].keys())