Classdesc 3.44
use_mbr_pointers.h
1/*
2 @copyright Russell Standish 2018
3 @author Russell Standish
4 This file is part of Classdesc
5
6 Open source licensed under the MIT license. See LICENSE for details.
7*/
11#ifndef CLASSDESC_USE_MBR_POINTERS_H
12#define CLASSDESC_USE_MBR_POINTERS_H
13#include "function.h"
14
15#define CLASSDESC_USE_OLDSTYLE_MEMBER_OBJECTS(descriptor) \
16 using classdesc::descriptor; \
17 namespace classdesc { \
18 template<class C, class T> \
19 typename enable_if<And<is_member_object_pointer<T>, \
20 Not<functional::is_nonmember_function_ptr<T> > >,void>::T \
21 descriptor(descriptor##_t& b, const string& d, C& o, T y) \
22 {::descriptor(b,d,o.*y);} \
23 \
24 /* for static object members */ \
25 template<class C, class T> \
26 typename enable_if< \
27 And<Not<is_base_of<is_const_static,C> >, \
28 is_object<T> >,void>::T \
29 descriptor(descriptor##_t& b, const string& d, C&, T* y) \
30 {::descriptor(b,d,*y);} \
31 }
32
33// do nothing for function objects - suitable for all serialisation descriptors
34#define CLASSDESC_FUNCTION_NOP(descriptor) \
35 namespace classdesc { \
36 /* bare function support */ \
37 template<class T> \
38 typename enable_if<is_function<T>,void>::T \
39 descriptor(descriptor##_t& b, const string& d, T* y) \
40 {} \
41 \
42 /* -use_mbr_pointers support for member functions */ \
43 template<class C, class T> \
44 typename enable_if<is_member_function_pointer<T>,void>::T \
45 descriptor(descriptor##_t&, const string&, C&, T) {} \
46 \
47 /* -use_mbr_pointers support for function pointer members */ \
48 template<class C, class T> \
49 typename enable_if<functional::is_nonmember_function_ptr<T>,void>::T \
50 descriptor(descriptor##_t&, const string&, C, T) \
51 {} \
52 }
53
54#endif
function.h
Metaprogramming support for processing functions of multiple arguments.