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<a href="#pub-methods">Public Member Functions</a> &#124;
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<a href="#pri-methods">Private Member Functions</a> &#124;
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<p><code>#include &lt;<a class="el" href="TokenStreamHiddenTokenFilter_8hpp_source.html">TokenStreamHiddenTokenFilter.hpp</a>&gt;</code></p>
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Inheritance diagram for TokenStreamHiddenTokenFilter:</div>
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<div class="center"><img src="classTokenStreamHiddenTokenFilter__inherit__graph.png" border="0" usemap="#TokenStreamHiddenTokenFilter_inherit__map" alt="Inheritance graph"/></div>
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Collaboration diagram for TokenStreamHiddenTokenFilter:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a795214dc0fbf6afb34a1f2e912afad5a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a795214dc0fbf6afb34a1f2e912afad5a">TokenStreamHiddenTokenFilter</a> (<a class="el" href="classTokenStream.html">TokenStream</a> &amp;<a class="el" href="classTokenStreamBasicFilter.html#a4d723b321d667bd3e12d9880ddb19563">input</a>)</td></tr>
<tr class="separator:a795214dc0fbf6afb34a1f2e912afad5a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a443d78fb86da1244f889923bf068facf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classBitSet.html">BitSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a443d78fb86da1244f889923bf068facf">getDiscardMask</a> () const</td></tr>
<tr class="separator:a443d78fb86da1244f889923bf068facf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ada02b8be2c427fe98966ada1f7afaae2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#ada02b8be2c427fe98966ada1f7afaae2">getHiddenAfter</a> (<a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> t)</td></tr>
<tr class="separator:ada02b8be2c427fe98966ada1f7afaae2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa0f75ced8c9dc25d57b6d4d3a7b24baa"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#aa0f75ced8c9dc25d57b6d4d3a7b24baa">getHiddenBefore</a> (<a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> t)</td></tr>
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<tr class="memitem:a4814bbed3d7fecc03188597ae59682e1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classBitSet.html">BitSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a4814bbed3d7fecc03188597ae59682e1">getHideMask</a> () const</td></tr>
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<tr class="memitem:a3b56f980f3fcd26d3a38cd6e52483107"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a3b56f980f3fcd26d3a38cd6e52483107">getInitialHiddenToken</a> ()</td></tr>
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<tr class="memitem:a4d525558c61212db1d63380f6250f724"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a4d525558c61212db1d63380f6250f724">hide</a> (int m)</td></tr>
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<tr class="memitem:af9a4004b912022bb39bccb42543da3ff"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#af9a4004b912022bb39bccb42543da3ff">hide</a> (const <a class="el" href="classBitSet.html">BitSet</a> &amp;mask)</td></tr>
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<tr class="memitem:a9cd2f624c8ec04daf276ceabc2b8d2bc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a9cd2f624c8ec04daf276ceabc2b8d2bc">nextToken</a> ()</td></tr>
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<tr class="inherit_header pub_methods_classTokenStreamBasicFilter"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classTokenStreamBasicFilter')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classTokenStreamBasicFilter.html">TokenStreamBasicFilter</a></td></tr>
<tr class="memitem:a68c704d9049b819cecfa5d667a57078a inherit pub_methods_classTokenStreamBasicFilter"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamBasicFilter.html#a68c704d9049b819cecfa5d667a57078a">TokenStreamBasicFilter</a> (<a class="el" href="classTokenStream.html">TokenStream</a> &amp;input_)</td></tr>
<tr class="separator:a68c704d9049b819cecfa5d667a57078a inherit pub_methods_classTokenStreamBasicFilter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9abdaacd87c0737d95dd4a33716e5794 inherit pub_methods_classTokenStreamBasicFilter"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamBasicFilter.html#a9abdaacd87c0737d95dd4a33716e5794">discard</a> (int ttype)</td></tr>
<tr class="separator:a9abdaacd87c0737d95dd4a33716e5794 inherit pub_methods_classTokenStreamBasicFilter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf3cfd870e2004c1e4fbe9ad078cee3c inherit pub_methods_classTokenStreamBasicFilter"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamBasicFilter.html#adf3cfd870e2004c1e4fbe9ad078cee3c">discard</a> (const <a class="el" href="classBitSet.html">BitSet</a> &amp;mask)</td></tr>
<tr class="separator:adf3cfd870e2004c1e4fbe9ad078cee3c inherit pub_methods_classTokenStreamBasicFilter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classTokenStream"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classTokenStream')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classTokenStream.html">TokenStream</a></td></tr>
<tr class="memitem:afece8b56814ef51f78582d362b922c63 inherit pub_methods_classTokenStream"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStream.html#afece8b56814ef51f78582d362b922c63">~TokenStream</a> ()</td></tr>
<tr class="separator:afece8b56814ef51f78582d362b922c63 inherit pub_methods_classTokenStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a293e2bb97fed11a9d9e0b45b416d3643"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a293e2bb97fed11a9d9e0b45b416d3643">consume</a> ()</td></tr>
<tr class="separator:a293e2bb97fed11a9d9e0b45b416d3643"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4889651d72ad3b8c1046016ef62b4de0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a4889651d72ad3b8c1046016ef62b4de0">LA</a> (int i)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:ac6525fb37ee4668da863222ec602a232"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classBitSet.html">BitSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#ac6525fb37ee4668da863222ec602a232">hideMask</a></td></tr>
<tr class="separator:ac6525fb37ee4668da863222ec602a232"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa8dd19e8f9ab7a258cecf2c663dbf82"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#afa8dd19e8f9ab7a258cecf2c663dbf82">lastHiddenToken</a></td></tr>
<tr class="separator:afa8dd19e8f9ab7a258cecf2c663dbf82"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aac23a9b2709140b2f714b98ba4ebd2e1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#aac23a9b2709140b2f714b98ba4ebd2e1">firstHidden</a></td></tr>
<tr class="separator:aac23a9b2709140b2f714b98ba4ebd2e1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_attribs_classTokenStreamBasicFilter"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classTokenStreamBasicFilter')"><img src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a class="el" href="classTokenStreamBasicFilter.html">TokenStreamBasicFilter</a></td></tr>
<tr class="memitem:aad0627e52a4cc2460458119698ca7ae6 inherit pro_attribs_classTokenStreamBasicFilter"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classBitSet.html">BitSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamBasicFilter.html#aad0627e52a4cc2460458119698ca7ae6">discardMask</a></td></tr>
<tr class="separator:aad0627e52a4cc2460458119698ca7ae6 inherit pro_attribs_classTokenStreamBasicFilter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4d723b321d667bd3e12d9880ddb19563 inherit pro_attribs_classTokenStreamBasicFilter"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTokenStream.html">TokenStream</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamBasicFilter.html#a4d723b321d667bd3e12d9880ddb19563">input</a></td></tr>
<tr class="separator:a4d723b321d667bd3e12d9880ddb19563 inherit pro_attribs_classTokenStreamBasicFilter"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-methods"></a>
Private Member Functions</h2></td></tr>
<tr class="memitem:a72694e6818719136d01f89ed8b4e11e7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a72694e6818719136d01f89ed8b4e11e7">consumeFirst</a> ()</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:a07a2a4bd2f1d4a30d81038dde748ef3c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenStreamHiddenTokenFilter.html#a07a2a4bd2f1d4a30d81038dde748ef3c">nextMonitoredToken</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This object filters a token stream coming from a lexer or another <a class="el" href="classTokenStream.html">TokenStream</a> so that only certain token channels get transmitted to the parser.</p>
<p>Any of the channels can be filtered off as "hidden" channels whose tokens can be accessed from the parser. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a795214dc0fbf6afb34a1f2e912afad5a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a795214dc0fbf6afb34a1f2e912afad5a">&#9670;&nbsp;</a></span>TokenStreamHiddenTokenFilter()</h2>

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          <td class="memname">TokenStreamHiddenTokenFilter::TokenStreamHiddenTokenFilter </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classTokenStream.html">TokenStream</a> &amp;&#160;</td>
          <td class="paramname"><em>input</em></td><td>)</td>
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<p>This object filters a token stream coming from a lexer or another <a class="el" href="classTokenStream.html">TokenStream</a> so that only certain token channels get transmitted to the parser.</p>
<p>Any of the channels can be filtered off as "hidden" channels whose tokens can be accessed from the parser. </p>

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</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a293e2bb97fed11a9d9e0b45b416d3643"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a293e2bb97fed11a9d9e0b45b416d3643">&#9670;&nbsp;</a></span>consume()</h2>

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          <td class="memname">void TokenStreamHiddenTokenFilter::consume </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<a id="a72694e6818719136d01f89ed8b4e11e7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a72694e6818719136d01f89ed8b4e11e7">&#9670;&nbsp;</a></span>consumeFirst()</h2>

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          <td class="memname">void TokenStreamHiddenTokenFilter::consumeFirst </td>
          <td>(</td>
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<span class="mlabels"><span class="mlabel">private</span></span>  </td>
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<a id="a443d78fb86da1244f889923bf068facf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a443d78fb86da1244f889923bf068facf">&#9670;&nbsp;</a></span>getDiscardMask()</h2>

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          <td class="memname"><a class="el" href="classBitSet.html">BitSet</a> TokenStreamHiddenTokenFilter::getDiscardMask </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ada02b8be2c427fe98966ada1f7afaae2">&#9670;&nbsp;</a></span>getHiddenAfter()</h2>

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          <td class="memname"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> TokenStreamHiddenTokenFilter::getHiddenAfter </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>&#160;</td>
          <td class="paramname"><em>t</em></td><td>)</td>
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<p>Return a ptr to the hidden token appearing immediately after token t in the input stream. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa0f75ced8c9dc25d57b6d4d3a7b24baa">&#9670;&nbsp;</a></span>getHiddenBefore()</h2>

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          <td class="memname"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> TokenStreamHiddenTokenFilter::getHiddenBefore </td>
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<p>Return a ptr to the hidden token appearing immediately before token t in the input stream. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4814bbed3d7fecc03188597ae59682e1">&#9670;&nbsp;</a></span>getHideMask()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a3b56f980f3fcd26d3a38cd6e52483107">&#9670;&nbsp;</a></span>getInitialHiddenToken()</h2>

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<p>Return the first hidden token if one appears before any monitored token. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4889651d72ad3b8c1046016ef62b4de0">&#9670;&nbsp;</a></span>LA()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a9cd2f624c8ec04daf276ceabc2b8d2bc">&#9670;&nbsp;</a></span>nextToken()</h2>

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<p>Return the next monitored token. Test the token following the monitored token. If following is another monitored token, save it for the next invocation of nextToken (like a single lookahead token) and return it then. If following is unmonitored, nondiscarded (hidden) channel token, add it to the monitored token.</p>
<p>Note: EOF must be a monitored <a class="el" href="classToken.html">Token</a>. </p>

<p>Reimplemented from <a class="el" href="classTokenStreamBasicFilter.html#aa5181a67511ae6329826f81771be9544">TokenStreamBasicFilter</a>.</p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aac23a9b2709140b2f714b98ba4ebd2e1">&#9670;&nbsp;</a></span>firstHidden</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#ac6525fb37ee4668da863222ec602a232">&#9670;&nbsp;</a></span>hideMask</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#afa8dd19e8f9ab7a258cecf2c663dbf82">&#9670;&nbsp;</a></span>lastHiddenToken</h2>

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<p>track tail of hidden list emanating from previous monitored token </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a07a2a4bd2f1d4a30d81038dde748ef3c">&#9670;&nbsp;</a></span>nextMonitoredToken</h2>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>antlr/<a class="el" href="TokenStreamHiddenTokenFilter_8hpp_source.html">TokenStreamHiddenTokenFilter.hpp</a></li>
<li>src/<a class="el" href="TokenStreamHiddenTokenFilter_8cpp.html">TokenStreamHiddenTokenFilter.cpp</a></li>
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