90501be35b
A derived type that meets (most of) the requirements of an interoperable type but doesn't actually have the BIND(C) attribute can be accepted as an interoperable type, with optional warnings.
99 lines
2.5 KiB
Fortran
99 lines
2.5 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1 -pedantic
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! Check for C1801 - C1805
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module m
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public s
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!ERROR: Interoperable array must have at least one element
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real, bind(c) :: x(0)
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contains
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subroutine s
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end
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end
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program main
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use m
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type, abstract :: v
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integer :: i
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end type
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! ERROR: An interoperable derived type cannot have the SEQUENCE attribute
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type, bind(c) :: t1
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sequence
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integer :: x
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end type
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! ERROR: An interoperable derived type cannot have a type parameter
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type, bind(c) :: t2(k)
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integer, KIND :: k
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integer :: x
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end type
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! ERROR: A derived type with the BIND attribute cannot be an extended derived type
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type, bind(c), extends(v) :: t3
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integer :: x
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end type
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type, bind(c) :: t4
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integer :: x
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contains
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! ERROR: An interoperable derived type cannot have a type bound procedure
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procedure, nopass :: b => s
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end type
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! WARNING: A derived type with the BIND attribute should not be empty
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type, bind(c) :: t5
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end type
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type, bind(c) :: t6
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! ERROR: An interoperable derived type cannot have a pointer or allocatable component
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integer, pointer :: x
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end type
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type, bind(c) :: t7
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! ERROR: An interoperable derived type cannot have a pointer or allocatable component
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integer, allocatable :: y
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end type
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type :: t8
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integer :: x
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end type
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type :: t8a
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integer, pointer :: x
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end type
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type, bind(c) :: t9
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!WARNING: Derived type of component 'x' of an interoperable derived type should have the BIND attribute
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type(t8) :: x
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!ERROR: Component 'y' of an interoperable derived type must have an interoperable type but does not
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type(t8a) :: y
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integer :: z
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end type
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type, bind(c) :: t10
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!WARNING: A CHARACTER component of an interoperable type should have length 1
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character(len=2) x
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end type
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type, bind(c) :: t11
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!ERROR: Each component of an interoperable derived type must have an interoperable type
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character(kind=2) x
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end type
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type, bind(c) :: t12
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!PORTABILITY: A LOGICAL component of an interoperable type should have the interoperable KIND=C_BOOL
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logical(kind=8) x
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end type
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type, bind(c) :: t13
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!ERROR: Each component of an interoperable derived type must have an interoperable type
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real(kind=2) x
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end type
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type, bind(c) :: t14
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!ERROR: Each component of an interoperable derived type must have an interoperable type
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complex(kind=2) x
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end type
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type, bind(c) :: t15
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!ERROR: An array component of an interoperable type must have at least one element
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real :: x(0)
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end type
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end
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