File: nullify02.f90

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (56 lines) | stat: -rw-r--r-- 1,248 bytes parent folder | download | duplicates (15)
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
! RUN: %python %S/test_errors.py %s %flang_fc1
! Check for semantic errors in NULLIFY statements

INTEGER, PARAMETER :: maxvalue=1024

Type dt
  Integer :: l = 3
End Type
Type t
  Type(dt) :: p
End Type

Type(t),Allocatable :: x(:)

Integer :: pi
Procedure(Real) :: prp

Allocate(x(3))
!ERROR: 'p' may not appear in NULLIFY
!BECAUSE: 'p' is not a pointer
Nullify(x(2)%p)

!ERROR: 'pi' may not appear in NULLIFY
!BECAUSE: 'pi' is not a pointer
Nullify(pi)

!ERROR: 'prp' may not appear in NULLIFY
!BECAUSE: 'prp' is not a pointer
Nullify(prp)

!ERROR: 'maxvalue' may not appear in NULLIFY
!BECAUSE: 'maxvalue' is not a pointer
Nullify(maxvalue)

End Program

! Make sure that the compiler doesn't crash when NULLIFY is used in a context
! that has reported errors
module badNullify
  interface
    function ptrFun()
      integer, pointer :: ptrFun
    end function
  end interface
contains
  !ERROR: 'ptrfun' was not declared a separate module procedure
  !ERROR: 'ptrfun' is already declared in this scoping unit
  module function ptrFun()
    integer, pointer :: ptrFun
    real :: realVar
    nullify(ptrFun)
    !ERROR: 'realvar' may not appear in NULLIFY
    !BECAUSE: 'realvar' is not a pointer
    nullify(realVar)
  end function
end module