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! RUN: %S/test_errors.sh %s %t %f18
integer :: y
procedure() :: a
procedure(real) :: b
call a ! OK - can be function or subroutine
!ERROR: Cannot call subroutine 'a' like a function
c = a()
!ERROR: Cannot call function 'b' like a subroutine
call b
!ERROR: Cannot call function 'y' like a subroutine
call y
call x
!ERROR: Cannot call subroutine 'x' like a function
z = x()
end
subroutine s
!ERROR: Cannot call function 'f' like a subroutine
call f
!ERROR: Cannot call subroutine 's' like a function
i = s()
contains
function f()
end
end
subroutine s2
! subroutine vs. function is determined by use
external :: a, b
call a()
!ERROR: Cannot call subroutine 'a' like a function
x = a()
x = b()
!ERROR: Cannot call function 'b' like a subroutine
call b()
end
subroutine s3
! subroutine vs. function is determined by use, even in internal subprograms
external :: a
procedure() :: b
contains
subroutine s3a()
x = a()
call b()
end
subroutine s3b()
!ERROR: Cannot call function 'a' like a subroutine
call a()
!ERROR: Cannot call subroutine 'b' like a function
x = b()
end
end
module m
! subroutine vs. function is determined at end of specification part
external :: a
procedure() :: b
contains
subroutine s()
call a()
!ERROR: Cannot call subroutine 'b' like a function
x = b()
end
end
! Call to entity in global scope, even with IMPORT, NONE
subroutine s4
block
import, none
integer :: i
!ERROR: Use of 'm' as a procedure conflicts with its declaration
i = m()
!ERROR: Use of 'm' as a procedure conflicts with its declaration
call m()
end block
end
! Call to entity in global scope, even with IMPORT, NONE
subroutine s5
block
import, none
integer :: i
i = foo()
!ERROR: Cannot call function 'foo' like a subroutine
call foo()
end block
end
subroutine s6
call a6()
end
!ERROR: 'a6' was previously called as a subroutine
function a6()
a6 = 0.0
end
subroutine s7
x = a7()
end
!ERROR: 'a7' was previously called as a function
subroutine a7()
end
!OK: use of a8 and b8 is consistent
subroutine s8
call a8()
x = b8()
end
subroutine a8()
end
function b8()
b8 = 0.0
end
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