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
|
! { dg-do run }
! { dg-options "-std=f2003 -fall-intrinsics" }
! PR fortran/23994
!
! Test PROTECTED attribute. Within the module everything is allowed.
! Outside (use-associated): For pointers, their association status
! may not be changed. For nonpointers, their value may not be changed.
!
! Test of a valid code
module protmod
implicit none
integer :: a,b
integer, target :: at,bt
integer, pointer :: ap,bp
protected :: a, at
protected :: ap
contains
subroutine setValue()
a = 43
ap => null()
nullify(ap)
ap => at
ap = 3
allocate(ap)
ap = 73
call increment(a,ap,at)
if(a /= 44 .or. ap /= 74 .or. at /= 4) call abort()
end subroutine setValue
subroutine increment(a1,a2,a3)
integer, intent(inout) :: a1, a2, a3
a1 = a1 + 1
a2 = a2 + 1
a3 = a3 + 1
end subroutine increment
end module protmod
program main
use protmod
implicit none
b = 5
bp => bt
bp = 4
bt = 7
call setValue()
if(a /= 44 .or. ap /= 74 .or. at /= 4) call abort()
call plus5(ap)
if(a /= 44 .or. ap /= 79 .or. at /= 4) call abort()
call checkVal(a,ap,at)
contains
subroutine plus5(j)
integer, intent(inout) :: j
j = j + 5
end subroutine plus5
subroutine checkVal(x,y,z)
integer, intent(in) :: x, y, z
if(a /= 44 .or. ap /= 79 .or. at /= 4) call abort()
end subroutine
end program main
! { dg-final { cleanup-modules "protmod" } }
|
