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! Copyright 2016-2020 Free Software Foundation, Inc.
!
! This program is free software; you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation; either version 3 of the License, or
! (at your option) any later version.
!
! This program is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License
! along with this program. If not, see <http://www.gnu.org/licenses/>.
module mod1
integer :: var_i = 1
integer :: var_const
parameter (var_const = 20)
CONTAINS
SUBROUTINE sub_nested_outer
integer :: local_int
character (len=20) :: name
name = 'sub_nested_outer_mod1'
local_int = 11
END SUBROUTINE sub_nested_outer
end module mod1
! Public sub_nested_outer
SUBROUTINE sub_nested_outer
integer :: local_int
character (len=16) :: name
name = 'sub_nested_outer external'
local_int = 11
END SUBROUTINE sub_nested_outer
! Needed indirection to call public sub_nested_outer from main
SUBROUTINE sub_nested_outer_ind
character (len=20) :: name
name = 'sub_nested_outer_ind'
CALL sub_nested_outer
END SUBROUTINE sub_nested_outer_ind
! public routine with internal subroutine
SUBROUTINE sub_with_sub_nested_outer()
integer :: local_int
character (len=16) :: name
name = 'subroutine_with_int_sub'
local_int = 1
CALL sub_nested_outer ! Should call the internal fct
CONTAINS
SUBROUTINE sub_nested_outer
integer :: local_int
local_int = 11
END SUBROUTINE sub_nested_outer
END SUBROUTINE sub_with_sub_nested_outer
! Main
program TestNestedFuncs
USE mod1, sub_nested_outer_use_mod1 => sub_nested_outer
IMPLICIT NONE
TYPE :: t_State
integer :: code
END TYPE t_State
TYPE (t_State) :: v_state
integer index, local_int
index = 13
CALL sub_nested_outer ! Call internal sub_nested_outer
CALL sub_nested_outer_ind ! Call external sub_nested_outer via sub_nested_outer_ind
CALL sub_with_sub_nested_outer ! Call external routine with nested sub_nested_outer
CALL sub_nested_outer_use_mod1 ! Call sub_nested_outer imported via module
index = 11 ! BP_main
v_state%code = 27
CONTAINS
SUBROUTINE sub_nested_outer
integer local_int
local_int = 19
v_state%code = index + local_int ! BP_outer
call sub_nested_inner
local_int = 22 ! BP_outer_2
RETURN
END SUBROUTINE sub_nested_outer
SUBROUTINE sub_nested_inner
integer local_int
local_int = 17
v_state%code = index + local_int ! BP_inner
RETURN
END SUBROUTINE sub_nested_inner
end program TestNestedFuncs
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