flang/test/Semantics/allocate03.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 ! Check for semantic errors in ALLOCATE statements
   3
   4 subroutine C933_a(b1, ca3, ca4, cp3, cp3mold, cp4, cp7, cp8, bsrc)
   5 ! If any allocate-object has a deferred type parameter, is unlimited polymorphic,
   6 ! or is of abstract type, either type-spec or source-expr shall appear.
   7
   8 ! Only testing deferred type parameters here.
   9
  10   type SomeType(k, l1, l2)
  11     integer, kind :: k = 1
  12     integer, len :: l1
  13     integer, len :: l2 = 3
  14     character(len=l2+l1) str
  15   end type
  16
  17   type B(l)
  18     integer, len :: l
  19     character(:), allocatable :: msg
  20     type(SomeType(4, l, :)), pointer :: something
  21   end type
  22
  23   character(len=:), allocatable :: ca1, ca2(:)
  24   character(len=*), allocatable :: ca3, ca4(:)
  25   character(len=2), allocatable :: ca5, ca6(:)
  26   character(len=5) mold
  27
  28   type(SomeType(l1=:,l2=:)), pointer :: cp1, cp2(:)
  29   type(SomeType(l1=3,l2=4)) cp1mold
  30   type(SomeType(1,*,:)), pointer :: cp3, cp4(:)
  31   type(SomeType(1,*,5)) cp3mold
  32   type(SomeType(l1=:)), pointer :: cp5, cp6(:)
  33   type(SomeType(l1=6)) cp5mold
  34   type(SomeType(1,*,*)), pointer :: cp7, cp8(:)
  35   type(SomeType(1, l1=3)), pointer :: cp9, cp10(:)
  36
  37   type(B(*)) b1
  38   type(B(:)), allocatable :: b2
  39   type(B(5)) b3
  40
  41   type(SomeType(4, *, 8)) bsrc
  42
  43   ! Expecting errors: need type-spec/src-expr
  44   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  45   allocate(ca1)
  46   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  47   allocate(ca2(4))
  48   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  49   allocate(cp1)
  50   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  51   allocate(cp2(2))
  52   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  53   allocate(cp3)
  54   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  55   allocate(cp4(2))
  56   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  57   allocate(cp5)
  58   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  59   allocate(cp6(2))
  60   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  61   allocate(b1%msg)
  62   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  63   allocate(b1%something)
  64   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  65   allocate(b2%msg)
  66   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  67   allocate(b2%something)
  68   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  69   allocate(b3%msg)
  70   !ERROR: Either type-spec or source-expr must appear in ALLOCATE when allocatable object has a deferred type parameters
  71   allocate(b3%something)
  72
  73   ! Nominal cases, expecting no errors
  74   allocate(character(len=5):: ca2(4))
  75   allocate(character(len=5):: ca1)
  76   allocate(character*5:: ca1)
  77   allocate(ca2(4), MOLD = "abcde")
  78   allocate(ca2(2), MOLD = (/"abcde", "fghij"/))
  79   allocate(ca1, MOLD = mold)
  80   allocate(ca2(4), SOURCE = "abcde")
  81   allocate(ca2(2), SOURCE = (/"abcde", "fghij"/))
  82   allocate(ca1, SOURCE = mold)
  83   allocate(SomeType(l1=1, l2=2):: cp1, cp2(2))
  84   allocate(SomeType(1,*,5):: cp3, cp4(2)) !OK, but segfaults gfortran
  85   allocate(SomeType(l1=1):: cp5, cp6(2))
  86   allocate(cp1, cp2(2), mold = cp1mold)
  87   allocate(cp3, cp4(2), mold = cp3mold)
  88   allocate(cp5, cp6(2), mold = cp5mold)
  89   allocate(cp1, cp2(2), source = cp1mold)
  90   allocate(cp3, cp4(2), source = cp3mold)
  91   allocate(cp5, cp6(2), source = cp5mold)
  92   allocate(character(len=10):: b1%msg, b2%msg, b3%msg)
  93   allocate(SomeType(4, b1%l, 9):: b1%something)
  94   allocate(b2%something, source=bsrc)
  95   allocate(SomeType(4, 5, 8):: b3%something)
  96
  97   ! assumed/explicit length do not need type-spec/mold
  98   allocate(ca3, ca4(4))
  99   allocate(ca5, ca6(4))
 100   allocate(cp7, cp8(2))
 101   allocate(cp9, cp10(2))
 102
 103 end subroutine