1623aee41a
Check most of the requiremens of constraint C1577 for statement functions. The restrictions that prevent recursion are hard errors; the others seem to be benign legacies and are caught as portability warnings. Differential Revision: https://reviews.llvm.org/D139136
45 lines
1.5 KiB
Fortran
45 lines
1.5 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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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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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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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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end
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