llvm-project/flang/test/Semantics/init01.f90

97 lines
3.9 KiB
Fortran

! RUN: %S/test_errors.sh %s %t %flang_fc1
! Initializer error tests
subroutine objectpointers(j)
integer, intent(in) :: j
real, allocatable, target, save :: x1
real, codimension[*], target, save :: x2
real, save :: x3
real, target :: x4
real, target, save :: x5(10)
!ERROR: An initial data target may not be a reference to an ALLOCATABLE 'x1'
real, pointer :: p1 => x1
!ERROR: An initial data target may not be a reference to a coarray 'x2'
real, pointer :: p2 => x2
!ERROR: An initial data target may not be a reference to an object 'x3' that lacks the TARGET attribute
real, pointer :: p3 => x3
!ERROR: An initial data target may not be a reference to an object 'x4' that lacks the SAVE attribute
real, pointer :: p4 => x4
!ERROR: An initial data target must be a designator with constant subscripts
real, pointer :: p5 => x5(j)
!ERROR: Pointer has rank 0 but target has rank 1
real, pointer :: p6 => x5
!TODO: type incompatibility, non-deferred type parameter values, contiguity
end subroutine
subroutine dataobjects(j)
integer, intent(in) :: j
real, parameter :: x1(*) = [1., 2.]
!ERROR: Implied-shape parameter 'x2' has rank 2 but its initializer has rank 1
real, parameter :: x2(*,*) = [1., 2.]
!ERROR: Named constant 'x3' array must have constant shape
real, parameter :: x3(j) = [1., 2.]
!ERROR: Shape of initialized object 'x4' must be constant
real :: x4(j) = [1., 2.]
!ERROR: Rank of initialized object is 2, but initialization expression has rank 1
real :: x5(2,2) = [1., 2., 3., 4.]
real :: x6(2,2) = 5.
!ERROR: Rank of initialized object is 0, but initialization expression has rank 1
real :: x7 = [1.]
real :: x8(2,2) = reshape([1., 2., 3., 4.], [2, 2])
!ERROR: Dimension 1 of initialized object has extent 3, but initialization expression has extent 2
real :: x9(3) = [1., 2.]
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
real :: x10(2,3) = reshape([real::(k,k=1,6)], [3, 2])
end subroutine
subroutine components
real, target, save :: a1(3)
real, target :: a2
real, save :: a3
real, target, save :: a4
type :: t1
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
real :: x1(2) = [1., 2., 3.]
end type
type :: t2(kind, len)
integer, kind :: kind
integer, len :: len
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
real :: x1(2) = [1., 2., 3.]
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
real :: x2(kind) = [1., 2., 3.]
!ERROR: Dimension 1 of initialized object has extent 2, but initialization expression has extent 3
!ERROR: An automatic variable or component must not be initialized
real :: x3(len) = [1., 2., 3.]
real, pointer :: p1(:) => a1
!ERROR: An initial data target may not be a reference to an object 'a2' that lacks the SAVE attribute
!ERROR: An initial data target may not be a reference to an object 'a2' that lacks the SAVE attribute
real, pointer :: p2 => a2
!ERROR: An initial data target may not be a reference to an object 'a3' that lacks the TARGET attribute
!ERROR: An initial data target may not be a reference to an object 'a3' that lacks the TARGET attribute
real, pointer :: p3 => a3
!ERROR: Pointer has rank 0 but target has rank 1
!ERROR: Pointer has rank 0 but target has rank 1
real, pointer :: p4 => a1
!ERROR: Pointer has rank 1 but target has rank 0
!ERROR: Pointer has rank 1 but target has rank 0
real, pointer :: p5(:) => a4
end type
type(t2(3,3)) :: o1
type(t2(2,2)) :: o2
type :: t3
real :: x
end type
type(t3), save, target :: o3
real, pointer :: p10 => o3%x
associate (a1 => o3, a2 => o3%x)
block
real, pointer :: p11 => a1
real, pointer :: p12 => a2
end block
end associate
end subroutine