a href="../../index.html">infer</a> &#x00BB; <a href="../index.html">IBase</a> &#x00BB; ToplLexer</nav><header class="odoc-preamble"><h1>Module <code><span>IBase.ToplLexer</span></code></h1></header><div class="odoc-content"><div class="odoc-spec"><div class="spec exception anchored" id="exception-ToplLexerBug"><a href="#exception-ToplLexerBug" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">ToplLexerBug</span></span></code></div></div><div class="o