forked from OSchip/llvm-project
132 lines
4.1 KiB
Fortran
132 lines
4.1 KiB
Fortran
! Check for semantic errors in ALLOCATE statements
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subroutine C945_a(srca, srcb, srcc, src_complex, src_logical, &
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srca2, srcb2, srcc2, src_complex2, srcx, srcx2)
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! If type-spec appears, it shall specify a type with which each
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! allocate-object is type compatible.
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!second part C945, specific to SOURCE, is not checked here.
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type A
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integer i
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end type
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type, extends(A) :: B
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real, allocatable :: x(:)
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end type
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type, extends(B) :: C
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character(5) s
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end type
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type Unrelated
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class(A), allocatable :: polymorph
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type(A), allocatable :: notpolymorph
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end type
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real srcx, srcx2(6)
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class(A) srca, srca2(5)
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type(B) srcb, srcb2(6)
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class(C) srcc, srcc2(7)
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complex src_complex, src_complex2(8)
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complex src_logical(5)
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real, allocatable :: x1, x2(:)
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class(A), allocatable :: aa1, aa2(:)
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class(B), pointer :: bp1, bp2(:)
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class(C), allocatable :: ca1, ca2(:)
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class(*), pointer :: up1, up2(:)
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type(A), allocatable :: npaa1, npaa2(:)
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type(B), pointer :: npbp1, npbp2(:)
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type(C), allocatable :: npca1, npca2(:)
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class(Unrelated), allocatable :: unrelat
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allocate(x1, source=srcx)
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allocate(x2, mold=srcx2)
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allocate(bp2(3)%x, source=srcx2)
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!OK, type-compatible with A
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allocate(aa1, up1, unrelat%polymorph, unrelat%notpolymorph, &
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npaa1, source=srca)
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allocate(aa2, up2, npaa2, source=srca2)
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!OK, type compatible with B
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allocate(aa1, up1, unrelat%polymorph, bp1, npbp1, mold=srcb)
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allocate(aa2, up2, bp2, npbp2, mold=srcb2)
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!OK, type compatible with C
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allocate(aa1, up1, unrelat%polymorph, bp1, ca1, npca1, mold=srcc)
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allocate(aa2, up2, bp2, ca2, npca2, source=srcc2)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(x1, mold=src_complex)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(x2(2), source=src_complex2)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(bp2(3)%x, mold=src_logical)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(unrelat, mold=srca)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(unrelat%notpolymorph, source=srcb)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(npaa1, mold=srcb)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(npaa2, source=srcb2)
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(npca1, bp1, npbp1, mold=srcc)
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end subroutine
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module m
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type :: t
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real x(100)
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contains
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procedure :: f
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end type
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contains
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function f(this) result (x)
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class(t) :: this
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class(t), allocatable :: x
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end function
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subroutine bar
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type(t) :: o
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type(t), allocatable :: p
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real, allocatable :: rp
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allocate(p, source=o%f())
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!ERROR: Allocatable object in ALLOCATE must be type compatible with source expression from MOLD or SOURCE
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allocate(rp, source=o%f())
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end subroutine
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end module
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! Related to C945, check typeless expression are caught
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subroutine sub
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end subroutine
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function func() result(x)
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real :: x
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end function
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program test_typeless
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class(*), allocatable :: x
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interface
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subroutine sub
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end subroutine
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real function func()
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end function
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end interface
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procedure (sub), pointer :: subp => sub
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procedure (func), pointer :: funcp => func
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! OK
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allocate(x, mold=func())
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allocate(x, source=funcp())
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!ERROR: Typeless item not allowed as SOURCE or MOLD in ALLOCATE
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allocate(x, mold=x'1')
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!ERROR: Typeless item not allowed as SOURCE or MOLD in ALLOCATE
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allocate(x, mold=sub)
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!ERROR: Typeless item not allowed as SOURCE or MOLD in ALLOCATE
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allocate(x, source=subp)
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!ERROR: Typeless item not allowed as SOURCE or MOLD in ALLOCATE
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allocate(x, mold=func)
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!ERROR: Typeless item not allowed as SOURCE or MOLD in ALLOCATE
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allocate(x, source=funcp)
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end program
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