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! RUN: %python %S/test_errors.py %s %flang_fc1
! 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
!PORTABILITY: A derived type with the BIND attribute is empty
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
!WARNING: A derived type with the BIND attribute is empty
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
module m1
implicit none
interface g
module procedure mp
end interface g
type t
contains
!ERROR: The binding of 'tbp' ('g') must be either an accessible module procedure or an external procedure with an explicit interface
procedure,pass(x) :: tbp => g
end type t
contains
subroutine mp(x)
class(t),intent(in) :: x
end subroutine
end module m1
module m2
type parent
real realField
contains
!ERROR: Procedure binding 'proc' with no dummy arguments must have NOPASS attribute
procedure proc
end type parent
type,extends(parent) :: child
contains
!ERROR: Procedure binding 'proc' with no dummy arguments must have NOPASS attribute
procedure proc
end type child
contains
subroutine proc
end subroutine
end module m2
module m3
type t
contains
procedure b
end type
contains
!ERROR: Cannot use an alternate return as the passed-object dummy argument
subroutine b(*)
return 1
end subroutine
end module m3
module m4
type t
contains
procedure b
end type
contains
! Check to see that alternate returns work with default PASS arguments
subroutine b(this, *)
class(t) :: this
return 1
end subroutine
end module m4
module m5
type t
contains
!ERROR: Passed-object dummy argument 'passarg' of procedure 'b' must be of type 't' but is 'INTEGER(4)'
procedure, pass(passArg) :: b
end type
contains
subroutine b(*, passArg)
integer :: passArg
return 1
end subroutine
end module m5
module m6
type t
contains
!ERROR: Passed-object dummy argument 'passarg' of procedure 'b' must be polymorphic because 't' is extensible
procedure, pass(passArg) :: b
end type
contains
subroutine b(*, passArg)
type(t) :: passArg
return 1
end subroutine
end module m6
module m7
type t
contains
! Check to see that alternate returns work with PASS arguments
procedure, pass(passArg) :: b
end type
contains
subroutine b(*, passArg)
class(t) :: passArg
return 1
end subroutine
end module m7
module m8 ! C1529 - warning only
type t
procedure(mysubr), pointer, nopass :: pp
contains
procedure, nopass :: tbp => mysubr
end type
contains
subroutine mysubr
end subroutine
subroutine test
type(t) a(2)
!PORTABILITY: Base of NOPASS type-bound procedure reference should be scalar
call a%tbp
!ERROR: Base of procedure component reference must be scalar
call a%pp
end subroutine
end module
module m9
type t1
contains
procedure, public :: tbp => sub1
end type
type, extends(t1) :: t2
contains
!ERROR: A PRIVATE procedure may not override a PUBLIC procedure
procedure, private :: tbp => sub2
end type
contains
subroutine sub1(x)
class(t1), intent(in) :: x
end subroutine
subroutine sub2(x)
class(t2), intent(in) :: x
end subroutine
end module
module m10a
type t1
contains
procedure :: tbp => sub1
end type
contains
subroutine sub1(x)
class(t1), intent(in) :: x
end subroutine
end module
module m10b
use m10a
type, extends(t1) :: t2
contains
!ERROR: A PRIVATE procedure may not override an accessible procedure
procedure, private :: tbp => sub2
end type
contains
subroutine sub2(x)
class(t2), intent(in) :: x
end subroutine
end module
module m11
type t1
contains
procedure, nopass :: tbp => t1p
end type
type, extends(t1) :: t2
contains
private
!ERROR: A PRIVATE procedure may not override a PUBLIC procedure
procedure, nopass :: tbp => t2p
end type
contains
subroutine t1p
end
subroutine t2p
end
end
program test
use m1
type,extends(t) :: t2
end type
type(t2) a
call a%tbp
end program
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