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68 lines
1.7 KiB
Fortran
68 lines
1.7 KiB
Fortran
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! { dg-do run }
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!
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! PR 42144: [OOP] deferred TBPs do not work
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!
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! Contributed by Damian Rouson <damian@rouson.net>
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module field_module
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implicit none
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private
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public :: field
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type ,abstract :: field
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end type
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end module
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module periodic_5th_order_module
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use field_module ,only : field
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implicit none
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type ,extends(field) :: periodic_5th_order
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end type
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end module
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module field_factory_module
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implicit none
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private
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public :: field_factory
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type, abstract :: field_factory
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contains
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procedure(create_interface), deferred :: create
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end type
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abstract interface
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function create_interface(this)
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use field_module ,only : field
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import :: field_factory
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class(field_factory), intent(in) :: this
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class(field) ,pointer :: create_interface
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end function
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end interface
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end module
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module periodic_5th_factory_module
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use field_factory_module , only : field_factory
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implicit none
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private
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public :: periodic_5th_factory
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type, extends(field_factory) :: periodic_5th_factory
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contains
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procedure :: create=>new_periodic_5th_order
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end type
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contains
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function new_periodic_5th_order(this)
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use field_module ,only : field
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use periodic_5th_order_module ,only : periodic_5th_order
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class(periodic_5th_factory), intent(in) :: this
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class(field) ,pointer :: new_periodic_5th_order
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end function
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end module
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program main
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use field_module ,only : field
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use field_factory_module ,only : field_factory
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use periodic_5th_factory_module ,only : periodic_5th_factory
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implicit none
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class(field) ,pointer :: u
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class(field_factory), allocatable :: field_creator
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allocate (periodic_5th_factory :: field_creator)
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u => field_creator%create()
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end program
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