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<p><code>#include <<a class="el" href="TokenBuffer_8hpp_source.html">TokenBuffer.hpp</a>></code></p>
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Collaboration diagram for TokenBuffer:</div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:abb9dc2018056d3c68c63b441405504e7"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#abb9dc2018056d3c68c63b441405504e7">TokenBuffer</a> (<a class="el" href="classTokenStream.html">TokenStream</a> &input_)</td></tr>
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<tr class="memitem:a569be7c48bb3336e2252d922048ac232"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a569be7c48bb3336e2252d922048ac232">~TokenBuffer</a> ()</td></tr>
<tr class="separator:a569be7c48bb3336e2252d922048ac232"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9eac55ad444531a34a6de112b3e966e2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a9eac55ad444531a34a6de112b3e966e2">reset</a> (void)</td></tr>
<tr class="memdesc:a9eac55ad444531a34a6de112b3e966e2"><td class="mdescLeft"> </td><td class="mdescRight">Reset the input buffer to empty state. <a href="#a9eac55ad444531a34a6de112b3e966e2">More...</a><br /></td></tr>
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<tr class="memitem:a506ec73baa84375afca4ccbabc6a366b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a506ec73baa84375afca4ccbabc6a366b">LA</a> (unsigned int i)</td></tr>
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<tr class="memitem:ab25cdad02145d51bbfe35220995d149b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#ab25cdad02145d51bbfe35220995d149b">LT</a> (unsigned int i)</td></tr>
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<tr class="memitem:aec5dcbf962fb1b695a11413675e33c09"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#aec5dcbf962fb1b695a11413675e33c09">mark</a> ()</td></tr>
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<tr class="memitem:ad809ea0d3f014795d6ab1f109bf87d1d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#ad809ea0d3f014795d6ab1f109bf87d1d">rewind</a> (unsigned int <a class="el" href="classTokenBuffer.html#aec5dcbf962fb1b695a11413675e33c09">mark</a>)</td></tr>
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<tr class="memitem:a1608b77ba5671fe96428523620e62a33"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a1608b77ba5671fe96428523620e62a33">consume</a> ()</td></tr>
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<tr class="memitem:aa2a63cc6abaf05b4cffb3f2872a5c8f7"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#aa2a63cc6abaf05b4cffb3f2872a5c8f7">entries</a> () const</td></tr>
<tr class="memdesc:aa2a63cc6abaf05b4cffb3f2872a5c8f7"><td class="mdescLeft"> </td><td class="mdescRight">Return the number of entries in the <a class="el" href="classTokenBuffer.html">TokenBuffer</a>. <a href="#aa2a63cc6abaf05b4cffb3f2872a5c8f7">More...</a><br /></td></tr>
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Protected Attributes</h2></td></tr>
<tr class="memitem:ab64546a189551b2bfdb7d44ce9f10613"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTokenStream.html">TokenStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#ab64546a189551b2bfdb7d44ce9f10613">input</a></td></tr>
<tr class="memdesc:ab64546a189551b2bfdb7d44ce9f10613"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classToken.html">Token</a> source. <a href="#ab64546a189551b2bfdb7d44ce9f10613">More...</a><br /></td></tr>
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<tr class="memitem:abf3c969f4554b377d07cb328b5a3e6df"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#abf3c969f4554b377d07cb328b5a3e6df">nMarkers</a></td></tr>
<tr class="memdesc:abf3c969f4554b377d07cb328b5a3e6df"><td class="mdescLeft"> </td><td class="mdescRight">Number of active markers. <a href="#abf3c969f4554b377d07cb328b5a3e6df">More...</a><br /></td></tr>
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<tr class="memitem:aa2348bea0cea1ee61abe87ded1794685"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#aa2348bea0cea1ee61abe87ded1794685">markerOffset</a></td></tr>
<tr class="memdesc:aa2348bea0cea1ee61abe87ded1794685"><td class="mdescLeft"> </td><td class="mdescRight">Additional offset used when markers are active. <a href="#aa2348bea0cea1ee61abe87ded1794685">More...</a><br /></td></tr>
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<tr class="memitem:ae2ec979dbe4ef1a39f65d7142bc333ca"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#ae2ec979dbe4ef1a39f65d7142bc333ca">numToConsume</a></td></tr>
<tr class="memdesc:ae2ec979dbe4ef1a39f65d7142bc333ca"><td class="mdescLeft"> </td><td class="mdescRight">Number of calls to <a class="el" href="classTokenBuffer.html#a1608b77ba5671fe96428523620e62a33">consume()</a> since last <a class="el" href="classTokenBuffer.html#a506ec73baa84375afca4ccbabc6a366b">LA()</a> or <a class="el" href="classTokenBuffer.html#ab25cdad02145d51bbfe35220995d149b">LT()</a> call. <a href="#ae2ec979dbe4ef1a39f65d7142bc333ca">More...</a><br /></td></tr>
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<tr class="memitem:acd4cf4d1b81f1e1a2479da306788121e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCircularQueue.html">CircularQueue</a>< <a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#acd4cf4d1b81f1e1a2479da306788121e">queue</a></td></tr>
<tr class="memdesc:acd4cf4d1b81f1e1a2479da306788121e"><td class="mdescLeft"> </td><td class="mdescRight">Circular queue with Tokens. <a href="#acd4cf4d1b81f1e1a2479da306788121e">More...</a><br /></td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:a18f8c1334d239553cb81958ff93b33aa"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a18f8c1334d239553cb81958ff93b33aa">fill</a> (unsigned int amount)</td></tr>
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<tr class="memitem:a9427fa1eeaa8beedcd63b156d283b969"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a9427fa1eeaa8beedcd63b156d283b969">syncConsume</a> ()</td></tr>
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<tr class="memitem:ae8953b1ebeec2152ec9638fe3048fba8"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#ae8953b1ebeec2152ec9638fe3048fba8">TokenBuffer</a> (const <a class="el" href="classTokenBuffer.html">TokenBuffer</a> &other)</td></tr>
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<tr class="memitem:a9590ed753e3683f3bff50f4d84015b3c"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classTokenBuffer.html">TokenBuffer</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classTokenBuffer.html#a9590ed753e3683f3bff50f4d84015b3c">operator=</a> (const <a class="el" href="classTokenBuffer.html">TokenBuffer</a> &other)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A Stream of <a class="el" href="classToken.html">Token</a> objects fed to the parser from a <a class="el" href="classTokenStream.html">TokenStream</a> that can be rewound via <a class="el" href="classTokenBuffer.html#aec5dcbf962fb1b695a11413675e33c09">mark()</a>/rewind() methods. </p>
<p>A dynamic array is used to buffer up all the input tokens. Normally, "k" tokens are stored in the buffer. More tokens may be stored during guess mode (testing syntactic predicate), or when LT(i>k) is referenced. Consumption of tokens is deferred. In other words, reading the next token is not done by conume(), but deferred until needed by LA or LT. </p>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000006">Todo:</a></b></dt><dd>: see if we can integrate this one with <a class="el" href="classInputBuffer.html">InputBuffer</a> into one template or so.</dd></dl>
<dl class="section see"><dt>See also</dt><dd>antlr.Token </dd>
<dd>
antlr.TokenStream </dd>
<dd>
antlr.TokenQueue </dd></dl>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="abb9dc2018056d3c68c63b441405504e7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abb9dc2018056d3c68c63b441405504e7">◆ </a></span>TokenBuffer() <span class="overload">[1/2]</span></h2>
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<td class="memname">TokenBuffer::TokenBuffer </td>
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<p>Create a token buffer</p>
<p>A Stream of <a class="el" href="classToken.html">Token</a> objects fed to the parser from a <a class="el" href="classTokenStream.html">TokenStream</a> that can be rewound via <a class="el" href="classTokenBuffer.html#aec5dcbf962fb1b695a11413675e33c09">mark()</a>/rewind() methods. </p>
<p>A dynamic array is used to buffer up all the input tokens. Normally, "k" tokens are stored in the buffer. More tokens may be stored during guess mode (testing syntactic predicate), or when LT(i>k) is referenced. Consumption of tokens is deferred. In other words, reading the next token is not done by conume(), but deferred until needed by LA or LT. </p>
<dl class="section see"><dt>See also</dt><dd>antlr.Token </dd>
<dd>
antlr.TokenStream </dd>
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antlr.TokenQueueCreate a token buffer </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a569be7c48bb3336e2252d922048ac232">◆ </a></span>~TokenBuffer()</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae8953b1ebeec2152ec9638fe3048fba8">◆ </a></span>TokenBuffer() <span class="overload">[2/2]</span></h2>
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<td class="memname">TokenBuffer::TokenBuffer </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1608b77ba5671fe96428523620e62a33">◆ </a></span>consume()</h2>
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<td class="memname">void TokenBuffer::consume </td>
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<p>Mark another token for deferred consumption </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa2a63cc6abaf05b4cffb3f2872a5c8f7">◆ </a></span>entries()</h2>
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<td class="memname">unsigned int TokenBuffer::entries </td>
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<p>Return the number of entries in the <a class="el" href="classTokenBuffer.html">TokenBuffer</a>. </p>
<p>Get number of non-consumed tokens. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a18f8c1334d239553cb81958ff93b33aa">◆ </a></span>fill()</h2>
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<td class="memname">void TokenBuffer::fill </td>
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<p>Ensure that the token buffer is sufficiently full </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a506ec73baa84375afca4ccbabc6a366b">◆ </a></span>LA()</h2>
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<td class="memname">int TokenBuffer::LA </td>
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<p>Get a lookahead token value </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab25cdad02145d51bbfe35220995d149b">◆ </a></span>LT()</h2>
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<td class="memname"><a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a> TokenBuffer::LT </td>
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<p>Get a lookahead token </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aec5dcbf962fb1b695a11413675e33c09">◆ </a></span>mark()</h2>
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<td class="memname">unsigned int TokenBuffer::mark </td>
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<p>Return an integer marker that can be used to rewind the buffer to its current state. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9590ed753e3683f3bff50f4d84015b3c">◆ </a></span>operator=()</h2>
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<td class="memname">const <a class="el" href="classTokenBuffer.html">TokenBuffer</a>& TokenBuffer::operator= </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a9eac55ad444531a34a6de112b3e966e2">◆ </a></span>reset()</h2>
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<td class="memname">void TokenBuffer::reset </td>
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<p>Reset the input buffer to empty state. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad809ea0d3f014795d6ab1f109bf87d1d">◆ </a></span>rewind()</h2>
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<td class="memname">void TokenBuffer::rewind </td>
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<p>Rewind the token buffer to a marker. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">mark</td><td>Marker returned previously from <a class="el" href="classTokenBuffer.html#aec5dcbf962fb1b695a11413675e33c09">mark()</a> </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a9427fa1eeaa8beedcd63b156d283b969">◆ </a></span>syncConsume()</h2>
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<td class="memname">void TokenBuffer::syncConsume </td>
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<p>Sync up deferred consumption </p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ab64546a189551b2bfdb7d44ce9f10613">◆ </a></span>input</h2>
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<td class="memname"><a class="el" href="classTokenStream.html">TokenStream</a>& TokenBuffer::input</td>
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<p><a class="el" href="classToken.html">Token</a> source. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa2348bea0cea1ee61abe87ded1794685">◆ </a></span>markerOffset</h2>
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<td class="memname">unsigned int TokenBuffer::markerOffset</td>
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<p>Additional offset used when markers are active. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#abf3c969f4554b377d07cb328b5a3e6df">◆ </a></span>nMarkers</h2>
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<td class="memname">unsigned int TokenBuffer::nMarkers</td>
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<p>Number of active markers. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2ec979dbe4ef1a39f65d7142bc333ca">◆ </a></span>numToConsume</h2>
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<td class="memname">unsigned int TokenBuffer::numToConsume</td>
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<p>Number of calls to <a class="el" href="classTokenBuffer.html#a1608b77ba5671fe96428523620e62a33">consume()</a> since last <a class="el" href="classTokenBuffer.html#a506ec73baa84375afca4ccbabc6a366b">LA()</a> or <a class="el" href="classTokenBuffer.html#ab25cdad02145d51bbfe35220995d149b">LT()</a> call. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acd4cf4d1b81f1e1a2479da306788121e">◆ </a></span>queue</h2>
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<td class="memname"><a class="el" href="classCircularQueue.html">CircularQueue</a><<a class="el" href="TokenRefCount_8hpp.html#a90bf433b9f39606e6bf39757f6910ac7">RefToken</a>> TokenBuffer::queue</td>
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<p>Circular queue with Tokens. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>antlr/<a class="el" href="TokenBuffer_8hpp_source.html">TokenBuffer.hpp</a></li>
<li>src/<a class="el" href="TokenBuffer_8cpp.html">TokenBuffer.cpp</a></li>
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