 class="kt">integer</span><span class="w">                                  </span><span class="kd">::</span><span class="w"> </span><span class="n">isource_len</span><span class="w"></span>
<span class="c">!-----------------------------------------------------------------------------------------------------------------------------------</span>
<span class="c">!  calculate where token_start should start for this pass</span>
<span class="w">   </span><span class="k">if</span><span class="p">(</span><span cla