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…DATA We allow automatic data objects in the specification part of the main program; add an optional portability warning and documentation. Don't allow them in BLOCK DATA. They're already disallowed as module variables.
101 lines
3.1 KiB
Fortran
101 lines
3.1 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1 -pedantic
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! C1577
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program main
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type t1(k,l)
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integer, kind :: k = kind(1)
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integer, len :: l = 666
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integer(k) n
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end type t1
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interface
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pure integer function ifunc()
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end function
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end interface
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!PORTABILITY: Automatic data object 'x1' should not appear in the specification part of a main program
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type(t1(k=4,l=ifunc())) x1
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!PORTABILITY: Statement function 'sf1' should not contain an array constructor
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sf1(n) = sum([(j,j=1,n)])
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type(t1) sf2
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!PORTABILITY: Statement function 'sf2' should not contain a structure constructor
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sf2(n) = t1(n)
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!PORTABILITY: Statement function 'sf3' should not contain a type parameter inquiry
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sf3(n) = x1%l
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!ERROR: Recursive call to statement function 'sf4' is not allowed
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sf4(n) = sf4(n)
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!ERROR: Statement function 'sf5' may not reference another statement function 'sf6' that is defined later
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sf5(n) = sf6(n)
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real sf7
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!ERROR: Statement function 'sf6' may not reference another statement function 'sf7' that is defined later
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sf6(n) = sf7(n)
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!PORTABILITY: Statement function 'sf7' should not reference function 'explicit' that requires an explicit interface
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sf7(n) = explicit(n)
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real :: a(3) = [1., 2., 3.]
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!PORTABILITY: Statement function 'sf8' should not pass an array argument that is not a whole array
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sf8(n) = sum(a(1:2))
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sf8a(n) = sum(a) ! ok
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integer :: sf9
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!ERROR: Defining expression of statement function 'sf9' cannot be converted to its result type INTEGER(4)
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sf9(n) = "bad"
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!ERROR: Statement function 'sf10' may not reference another statement function 'sf11' that is defined later
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sf10(n) = sf11(n)
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sf11(n) = sf10(n) ! mutual recursion, caused crash
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integer(1) iarg1
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!PORTABILITY: nonstandard usage: based POINTER
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pointer(iarg1p, iarg1)
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sf13(iarg1) = iarg1
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! executable part
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print *, sf13(iarg1) ! ok
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sf14 = 1.
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contains
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real function explicit(x,y)
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integer, intent(in) :: x
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integer, intent(in), optional :: y
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explicit = x
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end function
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pure function arr()
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real :: arr(2)
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arr = [1., 2.]
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end function
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subroutine foo
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!PORTABILITY: An implicitly typed statement function should not appear when the same symbol is available in its host scope
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sf14(x) = 2.*x
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end subroutine
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end
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subroutine s0
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allocatable :: sf
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!ERROR: 'sf' is not a callable procedure
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sf(x) = 1.
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end
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subroutine s1
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asynchronous :: sf
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!ERROR: An entity may not have the ASYNCHRONOUS attribute unless it is a variable
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sf(x) = 1.
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end
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subroutine s2
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pointer :: sf
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!ERROR: A statement function must not have the POINTER attribute
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sf(x) = 1.
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end
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subroutine s3
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save :: sf
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!ERROR: The entity 'sf' with an explicit SAVE attribute must be a variable, procedure pointer, or COMMON block
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sf(x) = 1.
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end
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subroutine s4
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volatile :: sf
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!ERROR: VOLATILE attribute may apply only to a variable
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sf(x) = 1.
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end
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subroutine s5
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!ERROR: Invalid specification expression: reference to impure function 'k'
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real x(k())
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!WARNING: Name 'k' from host scope should have a type declaration before its local statement function definition
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!ERROR: 'k' is already declared in this scoping unit
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k() = 0.0
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end
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