gcc/testsuite/gfortran.dg/proc_decl_1.f90

   1 ! { dg-do compile }
   2 ! This tests various error messages for PROCEDURE declarations.
   3 ! Contributed by Janus Weil <jaydub66@gmail.com>
   4
   5 module m
   6
   7   abstract interface
   8     subroutine sub()
   9     end subroutine
  10     subroutine sub2() bind(c)
  11     end subroutine
  12   end interface
  13
  14   procedure(), public, private :: a  ! { dg-error "was already specified" }
  15   procedure(sub),bind(C) :: a2  ! { dg-error "requires an interface with BIND.C." }
  16   procedure(sub2), public, bind(c, name="myEF") :: e, f  ! { dg-error "Multiple identifiers provided with single NAME= specifier" }
  17   procedure(sub2), bind(C, name=""), pointer :: g  ! { dg-error "may not have POINTER attribute" }
  18
  19   public:: h
  20   procedure(),public:: h  ! { dg-error "was already specified" }
  21
  22 contains
  23
  24   subroutine abc
  25     procedure() :: abc2
  26   entry abc2(x)  ! { dg-error "PROCEDURE attribute conflicts with ENTRY attribute" }
  27     real x
  28   end subroutine
  29
  30 end module m
  31
  32 program prog
  33
  34   interface z
  35     subroutine z1()
  36     end subroutine
  37     subroutine z2(a)
  38       integer :: a
  39     end subroutine
  40   end interface
  41
  42   procedure(z) :: bar   ! { dg-error "may not be generic" }
  43
  44   procedure(), allocatable:: b  ! { dg-error "PROCEDURE attribute conflicts with ALLOCATABLE attribute" }
  45   procedure(), save:: c  ! { dg-error "PROCEDURE attribute conflicts with SAVE attribute" }
  46
  47   procedure(dcos) :: my1
  48   procedure(amax0) :: my2  ! { dg-error "not allowed in PROCEDURE statement" }
  49
  50   real f, x
  51   f(x) = sin(x**2)
  52   external oo
  53
  54   procedure(f) :: q  ! { dg-error "may not be a statement function" }
  55   procedure(oo) :: p  ! { dg-error "must be explicit" }
  56
  57   procedure ( ) :: r
  58   procedure ( up ) :: s  ! { dg-error "must be explicit" }
  59
  60   procedure(t) :: t  ! { dg-error "may not be used as its own interface" }
  61
  62   call s
  63
  64 contains
  65
  66   subroutine foo(a,c)  ! { dg-error "PROCEDURE attribute conflicts with INTENT attribute" }
  67     abstract interface
  68       subroutine b() bind(C)
  69       end subroutine b
  70     end interface
  71     procedure(b), bind(c,name="hjj") :: a  ! { dg-error "may not have BIND.C. attribute with NAME" }
  72     procedure(b),intent(in):: c
  73   end subroutine foo
  74
  75 end program