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|
! (C) Copyright 2013 ECMWF.
!
! This software is licensed under the terms of the Apache Licence Version 2.0
! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
! In applying this licence, ECMWF does not waive the privileges and immunities
! granted to it by virtue of its status as an intergovernmental organisation nor
! does it submit to any jurisdiction.
! This file is used in conjunction with final-support.cmake to detect compiler behaviour
! for the finalisation of derived types
#ifdef FINAL_FUNCTION_RESULT
#define TEST 1
#endif
#ifdef FINAL_UNINITIALIZED_LOCAL
#define TEST 1
#endif
#ifdef FINAL_UNINITIALIZED_INTENT_OUT
#define TEST 2
#endif
#ifdef FINAL_UNINITIALIZED_INTENT_INOUT
#define TEST 3
#endif
#ifdef FINAL_NOT_PROPAGATING
#define TEST 6
#endif
#ifdef FINAL_NOT_INHERITING
#define TEST 7
#endif
#ifdef FINAL_BROKEN_FOR_ALLOCATABLE_ARRAY
#define TEST 8
#endif
#ifdef FINAL_BROKEN_FOR_AUTOMATIC_ARRAY
#define TEST 9
#endif
#ifndef TEST
#define OUTPUT
#endif
module final_support_module
implicit none
public
integer, parameter :: output_unit = 6
type :: Object
logical, public :: return = .false.
logical, public :: initialized = .false.
logical, public :: finalized = .false.
contains
procedure, public :: copy => copy_f
generic, public :: assignment(=) => copy
final :: destructor
endtype
interface Object
module procedure construct_Object
end interface
type, extends(Object) :: ObjectDerivedWithFinal
contains
final :: destructor_ObjectDerivedWithFinal
endtype
interface ObjectDerivedWithFinal
module procedure construct_ObjectDerivedWithFinal
end interface
type, extends(Object) :: ObjectDerivedWithoutFinal
contains
endtype
interface ObjectDerivedWithoutFinal
module procedure construct_ObjectDerivedWithoutFinal
end interface
integer :: final_uninitialized = 0
integer :: final_return = 0
integer :: final_initialized = 0
integer :: final_base = 0
integer :: final_derived = 0
integer :: indent=0
contains
subroutine reset()
final_uninitialized = 0
final_return = 0
final_initialized = 0
final_base = 0
final_derived = 0
end subroutine
subroutine write_indented( string )
character(len=*) :: string
integer :: i
#ifdef OUTPUT
do i=1,indent
write(0,'(A)',advance='no') ' '
enddo
write(0,'(A)') string
#endif
end subroutine
subroutine write_counters()
#ifdef OUTPUT
write(0,*) ''
write(0,*) 'final_uninitialized: ',final_uninitialized
write(0,*) 'final_initialized: ',final_initialized
write(0,*) 'final_return: ',final_return
write(0,*) 'final_base: ',final_base
write(0,*) 'final_derived: ',final_derived
#endif
end subroutine
function construct_Object() result(this)
type(Object) :: this
this%initialized = .true.
this%return = .true.
end function
function construct_ObjectDerivedWithFinal() result(this)
type(ObjectDerivedWithFinal) :: this
this%initialized = .true.
this%return = .true.
end function
function construct_ObjectDerivedWithoutFinal() result(this)
type(ObjectDerivedWithoutFinal) :: this
this%initialized = .true.
this%return = .true.
end function
subroutine destructor_ObjectDerivedWithFinal(this)
type(ObjectDerivedWithFinal) :: this
call write_indented( 'final( derived )' )
final_derived = final_derived + 1
associate( unused => this )
end associate
end subroutine
subroutine copy_f(this,obj_in)
class(Object), intent(inout) :: this
class(Object), target, intent(in) :: obj_in
#if 1
if( obj_in%return ) then
if( .not. this%initialized ) then
call write_indented( 'copy uninitialized from rvalue' )
else
call write_indented( 'copy initialized from rvalue' )
endif
else if ( obj_in%initialized ) then
if( .not. this%initialized ) then
call write_indented( 'copy uninitialized from already existing initialized' )
else
call write_indented( 'copy initialized from already existing initialized' )
endif
endif
#endif
this%initialized = obj_in%initialized
this%return = .false.
end subroutine
impure elemental subroutine destructor(this)
type(Object), intent(inout) :: this
final_base = final_base + 1
if( .not. this%initialized ) then
call write_indented( 'final( uninitialized )' )
final_uninitialized = final_uninitialized+1
else
if( this%return ) then
call write_indented( 'final( returned )' )
final_return = final_return+1
else
call write_indented( 'final( initialized )' )
final_initialized = final_initialized+1
endif
endif
end subroutine
subroutine create_obj_out(obj)
implicit none
type(Object), intent(out) :: obj
call write_indented( 'obj = Object()' )
indent = indent+1
obj = Object()
indent = indent-1
end subroutine
subroutine create_obj_inout(obj)
implicit none
type(Object), intent(inout) :: obj
call write_indented( 'obj = Object()' )
indent = indent+1
obj = Object()
indent = indent-1
end subroutine
subroutine test1
implicit none
type(Object) :: obj
call write_indented( 'obj = Object()' )
indent = indent+1
obj = Object()
indent = indent-1
end subroutine
subroutine test2
implicit none
type(Object) :: obj
call write_indented( 'subroutine create_obj_out(obj)' )
indent = indent+1
call create_obj_out(obj)
indent = indent-1
call write_indented( 'end subroutine create_obj_out(obj)' )
end subroutine
subroutine test3
implicit none
type(Object) :: obj
call write_indented( 'subroutine create_obj_inout(obj)' )
indent = indent+1
call create_obj_inout(obj)
indent = indent-1
call write_indented( 'end subroutine create_obj_inout(obj)' )
end subroutine
subroutine test4
implicit none
type(Object) :: obj1, obj2
call write_indented( 'subroutine create_obj_inout(obj1)' )
indent = indent+1
call create_obj_inout(obj1)
indent = indent-1
call write_indented( 'end subroutine create_obj_inout(obj)' )
call write_indented( 'obj2 = obj1' )
indent = indent+1
obj2 = obj1
indent = indent-1
end subroutine
subroutine test5
implicit none
type(Object) :: obj1, obj2
call write_indented( 'subroutine create_obj_inout(obj1)' )
indent = indent+1
call create_obj_inout(obj1)
indent = indent-1
call write_indented( 'end subroutine create_obj_inout(obj)' )
call write_indented( 'obj2 = obj1' )
indent = indent+1
obj2 = obj1
indent = indent-1
call write_indented( 'obj2 = obj1' )
indent = indent+1
obj1 = obj2
indent = indent-1
end subroutine
subroutine test6
implicit none
type(ObjectDerivedWithFinal) :: obj
indent = indent+1
obj = ObjectDerivedWithFinal()
indent = indent-1
call write_indented('--- scope end ---')
end subroutine
subroutine test7
implicit none
type(ObjectDerivedWithoutFinal) :: obj
indent = indent+1
obj = ObjectDerivedWithoutFinal()
indent = indent-1
call write_indented('--- scope end ---')
end subroutine
subroutine test8
implicit none
type(Object), allocatable :: list(:)
allocate( list(2) )
call write_indented('list(1) = Object()')
indent=indent+1
list(1) = Object()
indent=indent-1
call write_indented('list(2) = Object()')
indent=indent+1
list(2) = Object()
indent=indent-1
call write_indented('--- deallocate ---')
deallocate( list )
call write_indented('--- scope end ---')
end subroutine
subroutine test9
implicit none
type(Object) :: list(2)
call write_indented('list(1) = Object()')
indent=indent+1
list(1) = Object()
indent=indent-1
call write_indented('list(2) = Object()')
indent=indent+1
list(2) = Object()
indent=indent-1
call write_indented('--- scope end ---')
end subroutine
subroutine run_test(i)
integer, intent(in) :: i
character(len=1) :: test_number
write(test_number,'(I0)') i
#ifndef TEST
#define COMPARE_TEST(x) (x == i)
#else
#define COMPARE_TEST(x) (x == TEST)
#endif
#ifdef OUTPUT
write(0,'(A)') '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
#endif
call write_indented( 'subroutine test'//test_number )
indent = indent+1
call reset
if( COMPARE_TEST(1) ) call test1
if( COMPARE_TEST(2) ) call test2
if( COMPARE_TEST(3) ) call test3
if( COMPARE_TEST(4) ) call test4
if( COMPARE_TEST(5) ) call test5
if( COMPARE_TEST(6) ) call test6
if( COMPARE_TEST(7) ) call test7
if( COMPARE_TEST(8) ) call test8
if( COMPARE_TEST(9) ) call test9
indent = indent-1
call write_indented( 'end subroutine test'//test_number )
call write_counters()
end subroutine
end module
program final_support
use final_support_module
implicit none
call run_test(1)
call write_indented( 'test1 summary:' )
if( final_return > 0 ) then
call write_indented( 'rvalue Object() was finalised' )
endif
if( final_uninitialized > 0 ) then
call write_indented( 'Locally scoped object is finalised before assignment' )
endif
if( final_return == 0 .and. final_uninitialized == 0 ) then
call write_indented( 'Behaviour of GNU 6.3.0' )
endif
if( final_return == 0 .and. final_uninitialized == 1 ) then
call write_indented( 'Behaviour of PGI 17.10' )
endif
if( final_return == 1 .and. final_uninitialized == 0 ) then
call write_indented( 'Behaviour of Cray 8.6.2' )
call write_indented( 'Behaviour of Intel 17-18' )
endif
#ifdef FINAL_FUNCTION_RESULT
write(output_unit,'(I0)',advance='no') final_return
#endif
#ifdef FINAL_UNINITIALIZED_LOCAL
write(output_unit,'(I0)',advance='no') final_uninitialized
#endif
call run_test(2)
call write_indented( 'test2 summary:' )
if( final_uninitialized > 0 ) then
call write_indented( 'object with intent OUT is finalised before assignment' )
endif
if( final_uninitialized == 1 ) then
call write_indented( 'Behaviour of GNU 6.3.0' )
call write_indented( 'Behaviour of Intel 17-18' )
endif
if( final_uninitialized == 0 ) then
call write_indented( 'Behaviour of Cray 8.6.2' )
call write_indented( 'Behaviour of PGI 17.10' )
endif
#ifdef FINAL_UNINITIALIZED_INTENT_OUT
write(output_unit,'(I0)',advance='no') final_uninitialized
#endif
call run_test(3)
call write_indented( 'test3 summary:' )
if( final_uninitialized > 0 ) then
call write_indented('object with intent INOUT is finalised before assignment')
endif
if( final_uninitialized == 0 ) then
call write_indented( 'Behaviour of GNU 6.3.0' )
call write_indented( 'Behaviour of Cray 8.6.2' )
call write_indented( 'Behaviour of Intel 17-18' )
call write_indented( 'Behaviour of PGI 17.1' )
endif
#ifdef FINAL_UNINITIALIZED_INTENT_INOUT
write(output_unit,'(I0)',advance='no') final_uninitialized
#endif
call run_test(4)
call write_indented( 'test4 summary:' )
if( final_uninitialized == 0 .and. final_initialized == 2 ) then
call write_indented( 'Behaviour of GNU 6.3.0' )
endif
call run_test(5)
call write_indented( 'test5 summary:' )
if( final_uninitialized == 0 .and. final_initialized == 2 ) then
call write_indented( 'Behaviour of GNU 6.3.0' )
endif
call run_test(6)
#ifdef FINAL_NOT_PROPAGATING
if( final_derived > 0 .and. final_initialized == 0 ) then
write(output_unit,'(I0)',advance='no') 1
else
write(output_unit,'(I0)',advance='no') 0
endif
#endif
call run_test(7)
#ifdef FINAL_NOT_INHERITING
if( final_initialized == 0 ) then
write(output_unit,'(I0)',advance='no') 1
else
write(output_unit,'(I0)',advance='no') 0
endif
#endif
call run_test(8)
#ifdef FINAL_BROKEN_FOR_ALLOCATABLE_ARRAY
if( final_initialized == 0 ) then
write(output_unit,'(I0)',advance='no') 1
else
write(output_unit,'(I0)',advance='no') 0
endif
#endif
call run_test(9)
#ifdef FINAL_BROKEN_FOR_AUTOMATIC_ARRAY
if( final_initialized == 0 ) then
write(output_unit,'(I0)',advance='no') 1
else
write(output_unit,'(I0)',advance='no') 0
endif
#endif
end program
|
