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! { dg-do compile }
! { dg-options "-fmax-errors=1000 -fcoarray=single" }
!
! PR fortran/18918
!
! Coarray expressions.
!
module mod2
implicit none
type t
procedure(sub), pointer :: ppc
contains
procedure :: tbp => sub
end type t
type t2
class(t), allocatable :: poly
end type t2
contains
subroutine sub(this)
class(t), intent(in) :: this
end subroutine sub
end module mod2
subroutine procTest(y,z)
use mod2
implicit none
type(t), save :: x[*]
type(t) :: y[*]
type(t2) :: z[*]
x%ppc => sub
call x%ppc() ! OK
call x%tbp() ! OK
call x[1]%tbp ! OK, not polymorphic
! Invalid per C726
call x[1]%ppc ! { dg-error "Coindexed procedure-pointer component" }
y%ppc => sub
call y%ppc() ! OK
call y%tbp() ! OK
call y[1]%tbp ! OK, coindexed polymorphic object but not poly. subobj.
call y[1]%ppc ! { dg-error "Coindexed procedure-pointer component" }
! Invalid per C1229
z%poly%ppc => sub
call z%poly%ppc() ! OK
call z%poly%tbp() ! OK
call z[1]%poly%tbp ! { dg-error "Polymorphic subobject of coindexed" }
call z[1]%poly%ppc ! { dg-error "Coindexed procedure-pointer component" }
end subroutine procTest
module m
type t1
integer, pointer :: p
end type t1
type t2
integer :: i
end type t2
type t
integer, allocatable :: a[:]
type(t1), allocatable :: b[:]
type(t2), allocatable :: c[:]
end type t
contains
pure subroutine p2(x)
integer, intent(inout) :: x
end subroutine p2
pure subroutine p3(x)
integer, pointer :: x
end subroutine p3
pure subroutine p1(x)
type(t), intent(inout) :: x
integer, target :: tgt1
x%a = 5
x%a[6] = 9 ! { dg-error "Assignment to coindexed variable" }
x%b%p => tgt1
x%b[1]%p => tgt1 ! { dg-error "shall not have a coindex" }
x%b%p => x%b[1]%p ! { dg-error "shall not have a coindex" }
x%b = t1(x%b[1]%p) ! { dg-error "Coindexed expression to pointer component" }
x%b = x%b[1] ! { dg-error "derived type variable with a POINTER component in a PURE" }
call p2 (x%c[1]%i) ! { dg-error "Coindexed actual argument" }
call p3 (x%b[1]%p) ! { dg-error "to pointer dummy" }
end subroutine p1
subroutine nonPtr()
type(t1), save :: a[*]
type(t2), save :: b[*]
integer, target :: tgt1
a%p => tgt1
a[1]%p => tgt1 ! { dg-error "shall not have a coindex" }
a%p => a[2]%p ! { dg-error "shall not have a coindex" }
a = t1(a[1]%p) ! { dg-error "Coindexed expression to pointer component" }
call p2 (b[1]%i) ! OK
call p2 (a[1]%p) ! OK - pointer target and not pointer
end subroutine nonPtr
end module m
module mmm3
type t
integer, allocatable :: a(:)
end type t
contains
subroutine assign(x)
type(t) :: x[*]
allocate(x%a(3))
x%a = [ 1, 2, 3]
x[1]%a = [ 1, 2, 3] ! OK - if shapes are the same, otherwise wrong
! (no reallocate on assignment)
end subroutine assign
subroutine assign2(x,y)
type(t),allocatable :: x[:]
type(t) :: y
x = y
x[1] = y ! { dg-error "must not have an allocatable ultimate component" }
end subroutine assign2
end module mmm3
module mmm4
implicit none
contains
subroutine t1(x)
integer :: x(1)
end subroutine t1
subroutine t3(x)
character :: x(*)
end subroutine t3
subroutine t2()
integer, save :: x[*]
integer, save :: y(1)[*]
character(len=20), save :: z[*]
call t1(x) ! { dg-error "Rank mismatch" }
call t1(x[1]) ! { dg-error "Rank mismatch" }
call t1(y(1)) ! OK
call t1(y(1)[1]) ! { dg-error "Rank mismatch" }
call t3(z) ! OK
call t3(z[1]) ! { dg-error "Rank mismatch" }
end subroutine t2
end module mmm4
subroutine tfgh()
integer :: i(2)
DATA i/(i, i=1,2)/ ! { dg-error "Expected PARAMETER symbol" }
do i = 1, 5 ! { dg-error "cannot be a sub-component" }
end do ! { dg-error "Expecting END SUBROUTINE" }
end subroutine tfgh
subroutine tfgh2()
integer, save :: x[*]
integer :: i(2)
DATA i/(x, x=1,2)/ ! { dg-error "Expected PARAMETER symbol" }
do x = 1, 5 ! { dg-error "cannot be a coarray" }
end do ! { dg-error "Expecting END SUBROUTINE" }
end subroutine tfgh2
subroutine f4f4()
type t
procedure(), pointer, nopass :: ppt => null()
end type t
external foo
type(t), save :: x[*]
x%ppt => foo
x[1]%ppt => foo ! { dg-error "shall not have a coindex" }
end subroutine f4f4
subroutine corank()
integer, allocatable :: a[:,:]
call one(a) ! OK
call two(a) ! { dg-error "Corank mismatch in argument" }
contains
subroutine one(x)
integer :: x[*]
end subroutine one
subroutine two(x)
integer, allocatable :: x[:]
end subroutine two
end subroutine corank
subroutine assign42()
integer, allocatable :: z(:)[:]
z(:)[1] = z
end subroutine assign42
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