1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #include "precompiled_bridges.hxx"
29 #include "sal/config.h"
30 
31 #include <cstddef>
32 
33 #include "sal/types.h"
34 #include "typelib/typeclass.h"
35 #include "typelib/typedescription.h"
36 
37 #include "isdirectreturntype.hxx"
38 
39 namespace {
40 
41 bool isPodStruct(typelib_CompoundTypeDescription * type) {
42     for (; type != NULL; type = type->pBaseTypeDescription) {
43         for (sal_Int32 i = 0; i < type->nMembers; ++i) {
44             if (!bridges::cpp_uno::cc5_solaris_sparc64::isDirectReturnType(
45                     type->ppTypeRefs[i]))
46             {
47                 return false;
48             }
49         }
50     }
51     return true;
52 }
53 
54 }
55 
56 namespace bridges { namespace cpp_uno { namespace cc5_solaris_sparc64 {
57 
58 bool isDirectReturnType(typelib_TypeDescriptionReference * type) {
59     // Is POD of size <= 32 bytes:
60     switch (type->eTypeClass) {
61     default:
62         return true;
63     case typelib_TypeClass_STRING:
64     case typelib_TypeClass_TYPE:
65     case typelib_TypeClass_ANY:
66     case typelib_TypeClass_SEQUENCE:
67     case typelib_TypeClass_INTERFACE:
68         return false;
69     case typelib_TypeClass_STRUCT:
70         {
71             typelib_TypeDescription * t = NULL;
72             TYPELIB_DANGER_GET(&t, type);
73             bool b = t->nSize <= 32 && isPodStruct(
74                 reinterpret_cast< typelib_CompoundTypeDescription * >(t));
75             TYPELIB_DANGER_RELEASE(t);
76             return b;
77         }
78     }
79 }
80 
81 } } }
82