flang/test/Semantics/array-constr-values.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 ! Confirm enforcement of constraints and restrictions in 7.8
   3 ! C7110, C7111, C7112, C7113, C7114, C7115
   4
   5 subroutine arrayconstructorvalues()
   6   integer :: intarray(4)
   7   integer(KIND=8) :: k8 = 20
   8
   9   TYPE EMPLOYEE
  10     INTEGER AGE
  11     CHARACTER (LEN = 30) NAME
  12   END TYPE EMPLOYEE
  13   TYPE EMPLOYEER
  14     CHARACTER (LEN = 30) NAME
  15   END TYPE EMPLOYEER
  16
  17   TYPE(EMPLOYEE) :: emparray(3)
  18   class(*), pointer :: unlim_polymorphic
  19   TYPE, ABSTRACT :: base_type
  20     INTEGER :: CARPRIZE
  21   END TYPE
  22   ! Different declared type
  23   !ERROR: Values in array constructor must have the same declared type when no explicit type appears
  24   intarray = (/ 1, 2, 3, 4., 5/)  ! C7110
  25   ! Different kind type parameter
  26   !ERROR: Values in array constructor must have the same declared type when no explicit type appears
  27   intarray = (/ 1,2,3,4, k8 /)    ! C7110
  28
  29   ! C7111
  30   !ERROR: Value in array constructor of type 'LOGICAL(4)' could not be converted to the type of the array 'INTEGER(4)'
  31   intarray = [integer:: .true., 2, 3, 4, 5]
  32   !ERROR: Value in array constructor of type 'CHARACTER(KIND=1,LEN=22_8)' could not be converted to the type of the array 'INTEGER(4)'
  33   intarray = [integer:: "RAM stores information", 2, 3, 4, 5]
  34   !ERROR: Value in array constructor of type 'employee' could not be converted to the type of the array 'INTEGER(4)'
  35   intarray = [integer:: EMPLOYEE (19, "Jack"), 2, 3, 4, 5]
  36
  37   ! C7112
  38   !ERROR: Value in array constructor of type 'INTEGER(4)' could not be converted to the type of the array 'employee'
  39   emparray = (/ EMPLOYEE:: EMPLOYEE(19, "Ganesh"), EMPLOYEE(22, "Omkar"), 19 /)
  40   !ERROR: Value in array constructor of type 'employeer' could not be converted to the type of the array 'employee'
  41   emparray = (/ EMPLOYEE:: EMPLOYEE(19, "Ganesh"), EMPLOYEE(22, "Ram"),EMPLOYEER("ShriniwasPvtLtd") /)
  42
  43   ! C7113
  44   !ERROR: Cannot have an unlimited polymorphic value in an array constructor
  45   intarray = (/ unlim_polymorphic, 2, 3, 4, 5/)
  46
  47   ! C7114
  48   !ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types INTEGER(4) and TYPE(base_type)
  49   !ERROR: ABSTRACT derived type 'base_type' may not be used in a structure constructor
  50   !ERROR: Values in array constructor must have the same declared type when no explicit type appears
  51   intarray = (/ base_type(10), 2, 3, 4, 5 /)
  52
  53   !ERROR: Item is not suitable for use in an array constructor
  54   intarray(1:1) = [ arrayconstructorvalues ]
  55 end subroutine arrayconstructorvalues
  56 subroutine checkC7115()
  57   real, dimension(10), parameter :: good1 = [(99.9, i = 1, 10)]
  58   real, dimension(100), parameter :: good2 = [((88.8, i = 1, 10), j = 1, 10)]
  59   real, dimension(-1:0), parameter :: good3 = [77.7, 66.6]
  60   !ERROR: Implied DO index 'i' is active in a surrounding implied DO loop and may not have the same name
  61   real, dimension(100), parameter :: bad = [((88.8, i = 1, 10), i = 1, 10)]
  62
  63   !ERROR: Value of named constant 'bad2' ([INTEGER(4)::(int(j,kind=4),INTEGER(8)::j=1_8,1_8,0_8)]) cannot be computed as a constant value
  64   !ERROR: The stride of an implied DO loop must not be zero
  65   integer, parameter :: bad2(*) = [(j, j=1,1,0)]
  66   integer, parameter, dimension(-1:0) :: negLower = (/343,512/)
  67   integer, parameter, dimension(-1:0) :: negLower1 = ((/343,512/))
  68
  69   real :: local
  70
  71   local = good3(0)
  72   !ERROR: Subscript value (2) is out of range on dimension 1 in reference to a constant array value
  73   local = good3(2)
  74   call inner(negLower(:)) ! OK
  75   call inner(negLower1(:)) ! OK
  76
  77   contains
  78     subroutine inner(arg)
  79       integer :: arg(:)
  80     end subroutine inner
  81 end subroutine checkC7115
  82 subroutine checkOkDuplicates
  83   real :: realArray(21) = &
  84     [ ((1.0, iDuplicate = 1,j), &
  85        (0.0, iDuplicate = j,3 ), &
  86         j = 1,5 ) ]
  87 end subroutine
  88 subroutine charLengths(c, array)
  89   character(3) :: c
  90   character(3) :: array(2)
  91   !No error should ensue for distinct but compatible DynamicTypes
  92   array = ["abc", c]
  93 end subroutine