llvm-project/flang/test/Semantics/bindings01.f90

117 lines
3.5 KiB
Fortran

! RUN: %S/test_errors.sh %s %t %f18
! Confirm enforcement of constraints and restrictions in 7.5.7.3
! and C733, C734 and C779, C780, C782, C783, C784, and C785.
module m
!ERROR: An ABSTRACT derived type must be extensible
type, abstract, bind(c) :: badAbstract1
end type
!ERROR: An ABSTRACT derived type must be extensible
type, abstract :: badAbstract2
sequence
real :: badAbstract2Field
end type
type, abstract :: abstract
contains
!ERROR: DEFERRED is required when an interface-name is provided
procedure(s1), pass :: ab1
!ERROR: Type-bound procedure 'ab3' may not be both DEFERRED and NON_OVERRIDABLE
procedure(s1), deferred, non_overridable :: ab3
!ERROR: DEFERRED is only allowed when an interface-name is provided
procedure, deferred, non_overridable :: ab4 => s1
end type
type :: nonoverride
contains
procedure, non_overridable, nopass :: no1 => s1
end type
type, extends(nonoverride) :: nonoverride2
end type
type, extends(nonoverride2) :: nonoverride3
contains
!ERROR: Override of NON_OVERRIDABLE 'no1' is not permitted
procedure, nopass :: no1 => s1
end type
type, abstract :: missing
contains
procedure(s4), deferred :: am1
end type
!ERROR: Non-ABSTRACT extension of ABSTRACT derived type 'missing' lacks a binding for DEFERRED procedure 'am1'
type, extends(missing) :: concrete
end type
type, extends(missing) :: intermediate
contains
procedure :: am1 => s7
end type
type, extends(intermediate) :: concrete2 ! ensure no false missing binding error
end type
type, bind(c) :: inextensible1
end type
!ERROR: The parent type is not extensible
type, extends(inextensible1) :: badExtends1
end type
type :: inextensible2
sequence
real :: inextensible2Field
end type
!ERROR: The parent type is not extensible
type, extends(inextensible2) :: badExtends2
end type
!ERROR: Derived type 'real' not found
type, extends(real) :: badExtends3
end type
type :: base
real :: component
contains
!ERROR: Procedure bound to non-ABSTRACT derived type 'base' may not be DEFERRED
procedure(s2), deferred :: bb1
!ERROR: DEFERRED is only allowed when an interface-name is provided
procedure, deferred :: bb2 => s2
end type
type, extends(base) :: extension
contains
!ERROR: A type-bound procedure binding may not have the same name as a parent component
procedure :: component => s3
end type
type :: nopassBase
contains
procedure, nopass :: tbp => s1
end type
type, extends(nopassBase) :: passExtends
contains
!ERROR: A passed-argument type-bound procedure may not override a NOPASS procedure
procedure :: tbp => s5
end type
type :: passBase
contains
procedure :: tbp => s6
end type
type, extends(passBase) :: nopassExtends
contains
!ERROR: A NOPASS type-bound procedure may not override a passed-argument procedure
procedure, nopass :: tbp => s1
end type
contains
subroutine s1(x)
class(abstract), intent(in) :: x
end subroutine s1
subroutine s2(x)
class(base), intent(in) :: x
end subroutine s2
subroutine s3(x)
class(extension), intent(in) :: x
end subroutine s3
subroutine s4(x)
class(missing), intent(in) :: x
end subroutine s4
subroutine s5(x)
class(passExtends), intent(in) :: x
end subroutine s5
subroutine s6(x)
class(passBase), intent(in) :: x
end subroutine s6
subroutine s7(x)
class(intermediate), intent(in) :: x
end subroutine s7
end module