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<!DOCTYPE HTML>
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<title>Parser (JEL API)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">gnu.jel</a></div>
<h1 title="Class Parser" class="title">Class Parser</h1>
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<div class="inheritance">gnu.jel.Parser</div>
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<pre>public class <span class="typeNameLabel">Parser</span>
extends java.lang.Object</pre>
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<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#c">c</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ct_column">ct_column</a></span></code></th>
<td class="colLast">
<div class="block">Column, where the current token started</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ct_line">ct_line</a></span></code></th>
<td class="colLast">
<div class="block">Line, where the current token started</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#type">type</a></span></code></th>
<td class="colLast">
<div class="block">type of the current token</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#val">val</a></span></code></th>
<td class="colLast">
<div class="block">value of the current <LITERAL> token wrapped into a reflection object</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String,gnu.jel.Library)">Parser</a></span>​(java.lang.String in,
<a href="Library.html" title="class in gnu.jel">Library</a> lib)</code></th>
<td class="colLast">
<div class="block">Initializes the parser.</div>
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<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#consume(int)">consume</a></span>​(int cc)</code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#error(int,java.lang.Object,int)">error</a></span>​(int code,
java.lang.Object param,
int column)</code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCast()">isCast</a></span>()</code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextToken()">nextToken</a></span>()</code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code><a href="OP.html" title="class in gnu.jel">OP</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parse(java.lang.Class)">parse</a></span>​(java.lang.Class<?> resultType)</code></th>
<td class="colLast">
<div class="block">Parses expression.</div>
</td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#read()">read</a></span>()</code></th>
<td class="colLast">
<div class="block">Reads character from underlying Reader.</div>
</td>
</tr>
</tbody>
</table>
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<div class="inheritedList">
<h3>Methods inherited from class java.lang.Object</h3>
<a id="methods.inherited.from.class.java.lang.Object">
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<h3><a id="c">c</a></h3>
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<h3><a id="ct_column">ct_column</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">ct_column</span></div>
<div class="block">Column, where the current token started</div>
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<h3><a id="ct_line">ct_line</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">ct_line</span></div>
<div class="block">Line, where the current token started</div>
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<h3><a id="val">val</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.lang.Object</span> <span class="memberName">val</span></div>
<div class="block">value of the current <LITERAL> token wrapped into a reflection object</div>
</section>
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<h3><a id="type">type</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">type</span></div>
<div class="block">type of the current token</div>
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<h3><a id="<init>(java.lang.String,gnu.jel.Library)">Parser</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">Parser</span>​(<span class="arguments">java.lang.String in,
<a href="Library.html" title="class in gnu.jel">Library</a> lib)</span></div>
<div class="block">Initializes the parser.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - expression to parse</dd>
<dd><code>lib</code> - library to resolve functions in</dd>
</dl>
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<h3><a id="read()">read</a></h3>
<div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType">int</span> <span class="memberName">read</span>()</div>
<div class="block">Reads character from underlying Reader.
<P>Additionally it counts line and column numbers. The read character
is automatically set as a current char of this Tokenizer.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>next character from the selected input.</dd>
</dl>
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java.lang.Object param,
int column)</span>
throws <span class="exceptions"><a href="CompilationException.html" title="class in gnu.jel">CompilationException</a></span></div>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<h3><a id="consume(int)">consume</a></h3>
<div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType">void</span> <span class="memberName">consume</span>​(<span class="arguments">int cc)</span>
throws <span class="exceptions"><a href="CompilationException.html" title="class in gnu.jel">CompilationException</a></span></div>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<h3><a id="nextToken()">nextToken</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">nextToken</span>()
throws <span class="exceptions"><a href="CompilationException.html" title="class in gnu.jel">CompilationException</a></span></div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
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<h3><a id="isCast()">isCast</a></h3>
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<h3><a id="parse(java.lang.Class)">parse</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="OP.html" title="class in gnu.jel">OP</a></span> <span class="memberName">parse</span>​(<span class="arguments">java.lang.Class<?> resultType)</span>
throws <span class="exceptions"><a href="CompilationException.html" title="class in gnu.jel">CompilationException</a></span></div>
<div class="block">Parses expression.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resultType</code> - the type to convert the result into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>top of the parse tree</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="CompilationException.html" title="class in gnu.jel">CompilationException</a></code></dd>
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<p class="legalCopy"><small><p><i>Copyright © 1998-2020 Konstantin L. Metlov All Rights Reserved.</i></p><p>Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the JEL manual.</p></small></p>
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