Division by zero exception in lines_description of sourceform.py about ford HOT 4 CLOSED

Thanks for finding this, @mscfd, but I'm a bit unclear on how you trigger it exactly? That implies we're trying to render something that has no lines?

from ford.

I wrongly assumed that for really simple test project lines=0 happens naturally. But indeed, it is a bit more intriguing. It looks like that for 'display: private' (possibly in conjunction with submodules) lines are counted wrongly. In the example below, I have self.num_lines=4 but total=0. Whether display:public is present or not, does not change the exception.
The description line with my max(1,*)-safeguard is

"400.0% of total for procedures."

ford_project_file.md:

---
project: test
src_dir: ./src
output_dir: ./doc
display: protected
display: private
display: public
---

test.f90:

module test

implicit none
private

public create

type, abstract, public :: base
end type base

end module test

test_smod.f90:

submodule (test) test_smod

implicit none

type, extends(base) :: impl
end type impl

contains

module function create() result(p)
   class(base), pointer :: p
   allocate(impl :: p)
end function create

end submodule test_smod

from ford.

Note that your example isn't valid Fortran, and you'd need at least an interface for create. Adding that:

module test

implicit none
private

public :: create

type, abstract, public :: base
end type base

interface
  function create() result(p)
    import base
    class(base), pointer :: p
  end function create
end interface

end module test

and ford runs fine.

I'll add a warning and a safe-guard for lines_description

from ford.

Thanks. As this was not real code, I never compiled it. it was just for testing ford.

from ford.