flang/test/Semantics/c_loc01.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 module m
   3   use iso_c_binding
   4   type haslen(L)
   5     integer, len :: L
   6   end type
   7  contains
   8   subroutine test(assumedType, poly, nclen)
   9     type(*), target :: assumedType
  10     class(*), target ::  poly
  11     type(c_ptr) cp
  12     type(c_funptr) cfp
  13     real notATarget
  14     !PORTABILITY: Procedure pointer 'pptr' should not have an ELEMENTAL intrinsic as its interface
  15     procedure(sin), pointer :: pptr
  16     real, target :: arr(3)
  17     type(hasLen(1)), target :: clen
  18     type(hasLen(*)), target :: nclen
  19     character(2), target :: ch
  20     !ERROR: C_LOC() argument must be a data pointer or target
  21     cp = c_loc(notATarget)
  22     !ERROR: C_LOC() argument must be a data pointer or target
  23     cp = c_loc(pptr)
  24     !ERROR: C_LOC() argument must be contiguous
  25     cp = c_loc(arr(1:3:2))
  26     !ERROR: C_LOC() argument may not be a zero-sized array
  27     cp = c_loc(arr(3:1))
  28     !ERROR: C_LOC() argument must have an intrinsic type, assumed type, or non-polymorphic derived type with no non-constant length parameter
  29     cp = c_loc(poly)
  30     cp = c_loc(clen) ! ok
  31     !ERROR: C_LOC() argument must have an intrinsic type, assumed type, or non-polymorphic derived type with no non-constant length parameter
  32     cp = c_loc(nclen)
  33     !ERROR: C_LOC() argument may not be zero-length character
  34     cp = c_loc(ch(2:1))
  35     !WARNING: C_LOC() argument has non-interoperable intrinsic type, kind, or length
  36     cp = c_loc(ch)
  37     cp = c_loc(ch(1:1)) ! ok)
  38     !ERROR: PRIVATE name '__address' is only accessible within module '__fortran_builtins'
  39     cp = c_ptr(0)
  40     !ERROR: PRIVATE name '__address' is only accessible within module '__fortran_builtins'
  41     cfp = c_funptr(0)
  42     !ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types TYPE(c_ptr) and TYPE(c_funptr)
  43     cp = cfp
  44     !ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types TYPE(c_funptr) and TYPE(c_ptr)
  45     cfp = cp
  46   end
  47 end module