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
|
! RUN: %S/test_errors.sh %s %t %flang_fc1
! REQUIRES: shell
! Error tests for recursive use of derived types.
! C744 If neither the POINTER nor the ALLOCATABLE attribute is specified, the
! declaration-type-spec in the component-def-stmt shall specify an intrinsic
! type or a previously defined derived type.
program main
type :: recursive1
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
type(recursive1) :: bad1
type(recursive1), pointer :: ok1
type(recursive1), allocatable :: ok2
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
class(recursive1) :: bad2
class(recursive1), pointer :: ok3
class(recursive1), allocatable :: ok4
end type recursive1
type :: recursive2(kind,len)
integer, kind :: kind
integer, len :: len
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
type(recursive2(kind,len)) :: bad1
type(recursive2(kind,len)), pointer :: ok1
type(recursive2(kind,len)), allocatable :: ok2
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
class(recursive2(kind,len)) :: bad2
class(recursive2(kind,len)), pointer :: ok3
class(recursive2(kind,len)), allocatable :: ok4
end type recursive2
type :: recursive3(kind,len)
integer, kind :: kind = 1
integer, len :: len = 2
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
type(recursive3) :: bad1
type(recursive3), pointer :: ok1
type(recursive3), allocatable :: ok2
!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
class(recursive3) :: bad2
class(recursive3), pointer :: ok3
class(recursive3), allocatable :: ok4
end type recursive3
!ERROR: Derived type 'recursive4' cannot extend itself
type, extends(recursive4) :: recursive4
end type recursive4
end program main
|
