llvm / llvm-project / 74cbd71072de4f20c5cb9852dc4cf96ac7a4b5a4 / . / flang / test / Semantics / init01.f90

! RUN: %python %S/test_errors.py %s %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 |