Function get_location_for_offset

pub fn get_location_for_offset<'a>(
    src: &'a str,
    pos: usize,
) -> (Location<'a>, Vec<Location<'a>>)

Find file name and line number that correspond to an offset in a preprocessed source.

If location was in an included file, second element of the returned tuple contains a list of locations of #include directives, in the order they were procssed (top-level file first, then all intermediate included files).