gdb/testsuite/gdb.fortran/ptype-on-functions.f90

   1 ! Copyright 2019-2020 Free Software Foundation, Inc.
   2 !
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   5 ! the Free Software Foundation; either version 3 of the License, or
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   7 !
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   9 ! but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 ! GNU General Public License for more details.
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  14 ! along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 module some_module
  17   implicit none
  18
  19   type, public :: Number
  20      integer :: a
  21    contains
  22      procedure :: get => get_number
  23      procedure :: set => set_number
  24   end type Number
  25
  26 contains
  27
  28   function get_number (this) result (val)
  29     class (Number), intent (in) :: this
  30     integer :: val
  31     val = this%a
  32   end function get_number
  33
  34   subroutine set_number (this, val)
  35     class (Number), intent (inout) :: this
  36     integer :: val
  37     this%a = val
  38   end subroutine set_number
  39
  40 end module some_module
  41
  42 logical function is_bigger (a,b)
  43   integer, intent(in) :: a
  44   integer, intent(in) :: b
  45   is_bigger = a > b
  46 end function is_bigger
  47
  48 subroutine say_numbers (v1,v2,v3)
  49   integer,intent(in) :: v1
  50   integer,intent(in) :: v2
  51   integer,intent(in) :: v3
  52   print *, v1,v2,v3
  53 end subroutine say_numbers
  54
  55 program test
  56   use some_module
  57
  58   interface
  59      integer function fun1 (x)
  60        integer :: x
  61      end function fun1
  62
  63      integer function fun2 (x)
  64        integer :: x
  65      end function fun2
  66   end interface
  67
  68   type (Number) :: n1
  69   type (Number) :: n2
  70
  71   procedure(fun1), pointer:: fun_ptr => NULL()
  72
  73   call say_numbers (1,2,3)      ! stop here
  74   print *, fun_ptr (3)
  75
  76 end program test
  77
  78 integer function fun1 (x)
  79   implicit none
  80   integer :: x
  81   fun1 = x + 1
  82 end function fun1
  83
  84 integer function fun2 (x)
  85   implicit none
  86   integer :: x
  87   fun2 = x + 2
  88 end function fun2
  89