1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
! { dg-do run }
!
! PR 42144: [OOP] deferred TBPs do not work
!
! Contributed by Damian Rouson <damian@rouson.net>
module field_module
implicit none
private
public :: field
type ,abstract :: field
end type
end module
module periodic_5th_order_module
use field_module ,only : field
implicit none
type ,extends(field) :: periodic_5th_order
end type
end module
module field_factory_module
implicit none
private
public :: field_factory
type, abstract :: field_factory
contains
procedure(create_interface), deferred :: create
end type
abstract interface
function create_interface(this)
use field_module ,only : field
import :: field_factory
class(field_factory), intent(in) :: this
class(field) ,pointer :: create_interface
end function
end interface
end module
module periodic_5th_factory_module
use field_factory_module , only : field_factory
implicit none
private
public :: periodic_5th_factory
type, extends(field_factory) :: periodic_5th_factory
contains
procedure :: create=>new_periodic_5th_order
end type
contains
function new_periodic_5th_order(this)
use field_module ,only : field
use periodic_5th_order_module ,only : periodic_5th_order
class(periodic_5th_factory), intent(in) :: this
class(field) ,pointer :: new_periodic_5th_order
end function
end module
program main
use field_module ,only : field
use field_factory_module ,only : field_factory
use periodic_5th_factory_module ,only : periodic_5th_factory
implicit none
class(field) ,pointer :: u
class(field_factory), allocatable :: field_creator
allocate (periodic_5th_factory :: field_creator)
u => field_creator%create()
end program
! { dg-final { cleanup-modules "field_module periodic_5th_order_module field_factory_module periodic_5th_factory_module" } }
|
