original_string: public function position($l = null, $c = null)
      {
          $this->line = $l;
          $this->col = $c;
      }
code: public function position($l = null, $c = null)
      {
          $this->line = $l;
          $this->col = $c;
      }
code_tokens: public function position ( $ l = null , $ c = null ) { $ this -> line = $ l ; $ this -> col = $ c ; }
docstring: Sets the position of the token in the source document.
  @param int $l
  @param int $c
docstring_tokens: Sets the position of the token in the source document .