llvm-project/flang/test/Semantics/resolve66.f90

107 lines
3.1 KiB
Fortran

! RUN: %S/test_errors.sh %s %t %f18
! Test that user-defined assignment is used in the right places
module m1
type t1
end type
type t2
end type
interface assignment(=)
subroutine assign_il(x, y)
integer, intent(out) :: x
logical, intent(in) :: y
end
subroutine assign_li(x, y)
logical, intent(out) :: x
integer, intent(in) :: y
end
subroutine assign_tt(x, y)
import t1
type(t1), intent(out) :: x
type(t1), intent(in) :: y
end
subroutine assign_tz(x, y)
import t1
type(t1), intent(out) :: x
complex, intent(in) :: y
end
subroutine assign_01(x, y)
real, intent(out) :: x
real, intent(in) :: y(:)
end
end interface
contains
! These are all intrinsic assignments
pure subroutine test1()
type(t2) :: a, b, b5(5)
logical :: l
integer :: i, i5(5)
a = b
b5 = a
l = .true.
i = z'1234'
i5 = 1.0
end
! These have invalid type combinations
subroutine test2()
type(t1) :: a
type(t2) :: b
logical :: l, l5(5)
complex :: z, z5(5), z55(5,5)
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types TYPE(t1) and TYPE(t2)
a = b
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types REAL(4) and LOGICAL(4)
r = l
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types LOGICAL(4) and REAL(4)
l = r
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types TYPE(t1) and REAL(4)
a = r
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types TYPE(t2) and COMPLEX(4)
b = z
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches scalar COMPLEX(4) and rank 1 array of COMPLEX(4)
z = z5
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches rank 1 array of LOGICAL(4) and scalar COMPLEX(4)
l5 = z
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches rank 1 array of COMPLEX(4) and rank 2 array of COMPLEX(4)
z5 = z55
end
! These should all be defined assignments. Because the subroutines
! implementing them are not pure, they should all produce errors
pure subroutine test3()
type(t1) :: a, b
integer :: i
logical :: l
complex :: z
real :: r, r5(5)
!ERROR: Procedure 'assign_tt' referenced in pure subprogram 'test3' must be pure too
a = b
!ERROR: Procedure 'assign_il' referenced in pure subprogram 'test3' must be pure too
i = l
!ERROR: Procedure 'assign_li' referenced in pure subprogram 'test3' must be pure too
l = i
!ERROR: Procedure 'assign_il' referenced in pure subprogram 'test3' must be pure too
i = .true.
!ERROR: Procedure 'assign_tz' referenced in pure subprogram 'test3' must be pure too
a = z
!ERROR: Procedure 'assign_01' referenced in pure subprogram 'test3' must be pure too
r = r5
end
! Like test3 but not in a pure subroutine so no errors.
subroutine test4()
type(t1) :: a, b
integer :: i
logical :: l
complex :: z
real :: r, r5(5)
a = b
i = l
l = i
i = .true.
a = z
r = r5
end
end