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