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The specific intrinsic function INDEX should work as a PROCEDURE interface in the declaration of a procedure pointer or dummy procedure, and it should be compatible with a user-defined interface. Fixes https://github.com/llvm/llvm-project/issues/82397.
126 lines
6.2 KiB
Fortran
126 lines
6.2 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! Ensure that INDEX is a usable specific intrinsic procedure.
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program test
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interface
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pure integer function index1(string, substring)
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character(*), intent(in) :: string, substring ! ok
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end
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pure integer function index2(x1, x2)
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character(*), intent(in) :: x1, x2 ! ok
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end
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pure integer function index3(string, substring)
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character, intent(in) :: string, substring ! not assumed length
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end
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pure integer function index4(string, substring, back)
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character(*), intent(in) :: string, substring
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logical, optional, intent(in) :: back ! not ok
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end
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subroutine s0(ix)
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procedure(index) :: ix
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end
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subroutine s1(ix)
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import index1
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procedure(index1) :: ix
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end
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subroutine s2(ix)
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import index2
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procedure(index2) :: ix
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end
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subroutine s3(ix)
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import index3
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procedure(index3) :: ix
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end
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subroutine s4(ix)
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import index4
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procedure(index4) :: ix
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end
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end interface
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procedure(index), pointer :: p0
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procedure(index1), pointer :: p1
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procedure(index2), pointer :: p2
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procedure(index3), pointer :: p3
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procedure(index4), pointer :: p4
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p0 => index ! ok
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p0 => index1 ! ok
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p0 => index2 ! ok
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!ERROR: Procedure pointer 'p0' associated with incompatible procedure designator 'index3': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p0 => index3
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!ERROR: Procedure pointer 'p0' associated with incompatible procedure designator 'index4': distinct numbers of dummy arguments
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p0 => index4
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p1 => index ! ok
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p1 => index1 ! ok
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p1 => index2 ! ok
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!ERROR: Procedure pointer 'p1' associated with incompatible procedure designator 'index3': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p1 => index3
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!ERROR: Procedure pointer 'p1' associated with incompatible procedure designator 'index4': distinct numbers of dummy arguments
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p1 => index4
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p2 => index ! ok
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p2 => index1 ! ok
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p2 => index2 ! ok
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!ERROR: Procedure pointer 'p2' associated with incompatible procedure designator 'index3': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p2 => index3
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!ERROR: Procedure pointer 'p2' associated with incompatible procedure designator 'index4': distinct numbers of dummy arguments
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p2 => index4
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!ERROR: Procedure pointer 'p3' associated with incompatible procedure designator 'index': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p3 => index
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!ERROR: Procedure pointer 'p3' associated with incompatible procedure designator 'index1': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p3 => index1
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!ERROR: Procedure pointer 'p3' associated with incompatible procedure designator 'index2': incompatible dummy argument #1: assumed-length character vs explicit-length character
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p3 => index2
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p3 => index3 ! ok
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!ERROR: Procedure pointer 'p3' associated with incompatible procedure designator 'index4': distinct numbers of dummy arguments
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p3 => index4
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!ERROR: Procedure pointer 'p4' associated with incompatible procedure designator 'index': distinct numbers of dummy arguments
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p4 => index
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!ERROR: Procedure pointer 'p4' associated with incompatible procedure designator 'index1': distinct numbers of dummy arguments
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p4 => index1
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!ERROR: Procedure pointer 'p4' associated with incompatible procedure designator 'index2': distinct numbers of dummy arguments
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p4 => index2
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!ERROR: Procedure pointer 'p4' associated with incompatible procedure designator 'index3': distinct numbers of dummy arguments
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p4 => index3
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p4 => index4 ! ok
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call s0(index) ! ok
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call s0(index1) ! ok
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call s0(index2)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s0(index3)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s0(index4)
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call s1(index) ! ok
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call s1(index1) ! ok
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call s1(index2) ! ok
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s1(index3)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s1(index4)
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call s2(index) ! ok
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call s2(index1) ! ok
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call s2(index2) ! ok
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s2(index3)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s2(index4)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s3(index)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s3(index1)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': incompatible dummy argument #1: assumed-length character vs explicit-length character
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call s3(index2)
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call s3(index3) ! ok
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s3(index4)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s4(index)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s4(index1)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s4(index2)
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!ERROR: Actual procedure argument has interface incompatible with dummy argument 'ix=': distinct numbers of dummy arguments
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call s4(index3)
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call s4(index4) ! ok
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end
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