gdb/testsuite/gdb.fortran/nested-funcs.f90

   1 ! Copyright 2016-2022 Free Software Foundation, Inc.
   2 !
   3 ! This program is free software; you can redistribute it and/or modify
   4 ! it under the terms of the GNU General Public License as published by
   5 ! the Free Software Foundation; either version 3 of the License, or
   6 ! (at your option) any later version.
   7 !
   8 ! This program is distributed in the hope that it will be useful,
   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.
  12 !
  13 ! You should have received a copy of the GNU General Public License
  14 ! along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 module mod1
  17   integer :: var_i = 1
  18   integer :: var_const
  19   parameter (var_const = 20)
  20
  21 CONTAINS
  22
  23   SUBROUTINE sub_nested_outer
  24     integer :: local_int
  25     character (len=20) :: name
  26
  27     name = 'sub_nested_outer_mod1'
  28     local_int = 11
  29
  30   END SUBROUTINE sub_nested_outer
  31 end module mod1
  32
  33 ! Public sub_nested_outer
  34 SUBROUTINE sub_nested_outer
  35   integer :: local_int
  36   character (len=16) :: name
  37
  38   name = 'sub_nested_outer external'
  39   local_int = 11
  40 END SUBROUTINE sub_nested_outer
  41
  42 ! Needed indirection to call public sub_nested_outer from main
  43 SUBROUTINE sub_nested_outer_ind
  44   character (len=20) :: name
  45
  46   name = 'sub_nested_outer_ind'
  47   CALL sub_nested_outer
  48 END SUBROUTINE sub_nested_outer_ind
  49
  50 ! public routine with internal subroutine
  51 SUBROUTINE sub_with_sub_nested_outer()
  52   integer :: local_int
  53   character (len=16) :: name
  54
  55   name = 'subroutine_with_int_sub'
  56   local_int = 1
  57
  58   CALL sub_nested_outer  ! Should call the internal fct
  59
  60 CONTAINS
  61
  62   SUBROUTINE sub_nested_outer
  63     integer :: local_int
  64     local_int = 11
  65   END SUBROUTINE sub_nested_outer
  66
  67 END SUBROUTINE sub_with_sub_nested_outer
  68
  69 ! Main
  70 program TestNestedFuncs
  71   USE mod1, sub_nested_outer_use_mod1 => sub_nested_outer
  72   IMPLICIT NONE
  73
  74   TYPE :: t_State
  75     integer :: code
  76   END TYPE t_State
  77
  78   TYPE (t_State) :: v_state
  79   integer index, local_int
  80
  81   index = 13
  82   CALL sub_nested_outer            ! Call internal sub_nested_outer
  83   CALL sub_nested_outer_ind        ! Call external sub_nested_outer via sub_nested_outer_ind
  84   CALL sub_with_sub_nested_outer   ! Call external routine with nested sub_nested_outer
  85   CALL sub_nested_outer_use_mod1   ! Call sub_nested_outer imported via module
  86   index = 11              ! BP_main
  87   v_state%code = 27
  88
  89 CONTAINS
  90
  91   SUBROUTINE sub_nested_outer
  92     integer local_int
  93     local_int = 19
  94     v_state%code = index + local_int   ! BP_outer
  95     call sub_nested_inner
  96     local_int = 22                     ! BP_outer_2
  97     RETURN
  98   END SUBROUTINE sub_nested_outer
  99
 100   SUBROUTINE sub_nested_inner
 101     integer local_int
 102     local_int = 17
 103     v_state%code = index + local_int   ! BP_inner
 104     RETURN
 105   END SUBROUTINE sub_nested_inner
 106
 107 end program TestNestedFuncs