       <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">_end</span></code>, <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">_eoi</span></code>,
            <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">_state</span></code>, <code class="computeroutput"><span class="identifier">lex</span><span c