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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<h2 title="Class ChainableReverseAbstractInterpreter" class="title">Class ChainableReverseAbstractInterpreter</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>com.google.javascript.jscomp.type.ChainableReverseAbstractInterpreter</li>
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</ul>
<div class="description">
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../com/google/javascript/jscomp/type/ReverseAbstractInterpreter.html" title="interface in com.google.javascript.jscomp.type">ReverseAbstractInterpreter</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../com/google/javascript/jscomp/type/ClosureReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ClosureReverseAbstractInterpreter</a>, <a href="../../../../../com/google/javascript/jscomp/type/SemanticReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">SemanticReverseAbstractInterpreter</a></dd>
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<hr>
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<pre>public abstract class <span class="strong">ChainableReverseAbstractInterpreter</span>
extends java.lang.Object
implements <a href="../../../../../com/google/javascript/jscomp/type/ReverseAbstractInterpreter.html" title="interface in com.google.javascript.jscomp.type">ReverseAbstractInterpreter</a></pre>
<div class="block">Chainable reverse abstract interpreter providing basic functionality.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/jscomp/CodingConvention.html" title="interface in com.google.javascript.jscomp">CodingConvention</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#convention">convention</a></strong></code>&nbsp;</td>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#ChainableReverseAbstractInterpreter(com.google.javascript.jscomp.CodingConvention,%20com.google.javascript.rhino.jstype.JSTypeRegistry)">ChainableReverseAbstractInterpreter</a></strong>(<a href="../../../../../com/google/javascript/jscomp/CodingConvention.html" title="interface in com.google.javascript.jscomp">CodingConvention</a>&nbsp;convention,
                                   <a href="../../../../../com/google/javascript/rhino/jstype/JSTypeRegistry.html" title="class in com.google.javascript.rhino.jstype">JSTypeRegistry</a>&nbsp;typeRegistry)</code>
<div class="block">Constructs an interpreter, which is the only link in a chain.</div>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#append(com.google.javascript.jscomp.type.ChainableReverseAbstractInterpreter)">append</a></strong>(<a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a>&nbsp;lastLink)</code>
<div class="block">Appends a link to <code>this</code>, returning the updated last link.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#declareNameInScope(com.google.javascript.jscomp.type.FlowScope,%20com.google.javascript.rhino.Node,%20com.google.javascript.rhino.jstype.JSType)">declareNameInScope</a></strong>(<a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;scope,
                  <a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;node,
                  <a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</code>
<div class="block">Declares a refined type in <code>scope</code> for the name represented by
 <code>node</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#firstPreciserScopeKnowingConditionOutcome(com.google.javascript.rhino.Node,%20com.google.javascript.jscomp.type.FlowScope,%20boolean)">firstPreciserScopeKnowingConditionOutcome</a></strong>(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;condition,
                                         <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;blindScope,
                                         boolean&nbsp;outcome)</code>
<div class="block">Calculates the preciser scope starting with the first link.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#getFirst()">getFirst</a></strong>()</code>
<div class="block">Gets the first link of this chain.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#getRestrictedWithoutNull(com.google.javascript.rhino.jstype.JSType)">getRestrictedWithoutNull</a></strong>(<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</code>
<div class="block">Returns a version of type where null is not present.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#getRestrictedWithoutUndefined(com.google.javascript.rhino.jstype.JSType)">getRestrictedWithoutUndefined</a></strong>(<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</code>
<div class="block">Returns a version of type where undefined is not present.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#getTypeIfRefinable(com.google.javascript.rhino.Node,%20com.google.javascript.jscomp.type.FlowScope)">getTypeIfRefinable</a></strong>(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;node,
                  <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;scope)</code>
<div class="block">Returns the type of a node in the given scope if the node corresponds to a
 name whose type is capable of being refined.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#nextPreciserScopeKnowingConditionOutcome(com.google.javascript.rhino.Node,%20com.google.javascript.jscomp.type.FlowScope,%20boolean)">nextPreciserScopeKnowingConditionOutcome</a></strong>(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;condition,
                                        <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;blindScope,
                                        boolean&nbsp;outcome)</code>
<div class="block">Delegates the calculation of the preciser scope to the next link.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;com.google.javascript.jscomp.type.<a href="../../../../../com/google/javascript/jscomp/type/ReverseAbstractInterpreter.html" title="interface in com.google.javascript.jscomp.type">ReverseAbstractInterpreter</a></h3>
<code><a href="../../../../../com/google/javascript/jscomp/type/ReverseAbstractInterpreter.html#getPreciserScopeKnowingConditionOutcome(com.google.javascript.rhino.Node,%20com.google.javascript.jscomp.type.FlowScope,%20boolean)">getPreciserScopeKnowingConditionOutcome</a></code></li>
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<h3>Field Detail</h3>
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<h4>convention</h4>
<pre>protected final&nbsp;<a href="../../../../../com/google/javascript/jscomp/CodingConvention.html" title="interface in com.google.javascript.jscomp">CodingConvention</a> convention</pre>
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<h3>Constructor Detail</h3>
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<h4>ChainableReverseAbstractInterpreter</h4>
<pre>public&nbsp;ChainableReverseAbstractInterpreter(<a href="../../../../../com/google/javascript/jscomp/CodingConvention.html" title="interface in com.google.javascript.jscomp">CodingConvention</a>&nbsp;convention,
                                   <a href="../../../../../com/google/javascript/rhino/jstype/JSTypeRegistry.html" title="class in com.google.javascript.rhino.jstype">JSTypeRegistry</a>&nbsp;typeRegistry)</pre>
<div class="block">Constructs an interpreter, which is the only link in a chain. Interpreters
 can be appended using <a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#append(com.google.javascript.jscomp.type.ChainableReverseAbstractInterpreter)"><code>append(com.google.javascript.jscomp.type.ChainableReverseAbstractInterpreter)</code></a>.</div>
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<h3>Method Detail</h3>
<a name="append(com.google.javascript.jscomp.type.ChainableReverseAbstractInterpreter)">
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<h4>append</h4>
<pre>public&nbsp;<a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a>&nbsp;append(<a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a>&nbsp;lastLink)</pre>
<div class="block">Appends a link to <code>this</code>, returning the updated last link.
 <p>
 The pattern <code>new X().append(new Y())...append(new Z())</code> forms a
 chain starting with X, then Y, then ... Z.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lastLink</code> - a chainable interpreter, with no next link</dd>
<dt><span class="strong">Returns:</span></dt><dd>the updated last link</dd></dl>
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<a name="getFirst()">
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<h4>getFirst</h4>
<pre>public&nbsp;<a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html" title="class in com.google.javascript.jscomp.type">ChainableReverseAbstractInterpreter</a>&nbsp;getFirst()</pre>
<div class="block">Gets the first link of this chain.</div>
</li>
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<a name="firstPreciserScopeKnowingConditionOutcome(com.google.javascript.rhino.Node, com.google.javascript.jscomp.type.FlowScope, boolean)">
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<h4>firstPreciserScopeKnowingConditionOutcome</h4>
<pre>protected&nbsp;<a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;firstPreciserScopeKnowingConditionOutcome(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;condition,
                                                  <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;blindScope,
                                                  boolean&nbsp;outcome)</pre>
<div class="block">Calculates the preciser scope starting with the first link.</div>
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<a name="nextPreciserScopeKnowingConditionOutcome(com.google.javascript.rhino.Node, com.google.javascript.jscomp.type.FlowScope, boolean)">
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<h4>nextPreciserScopeKnowingConditionOutcome</h4>
<pre>protected&nbsp;<a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;nextPreciserScopeKnowingConditionOutcome(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;condition,
                                                 <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;blindScope,
                                                 boolean&nbsp;outcome)</pre>
<div class="block">Delegates the calculation of the preciser scope to the next link.
 If there is no next link, returns the blind scope.</div>
</li>
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<a name="getTypeIfRefinable(com.google.javascript.rhino.Node, com.google.javascript.jscomp.type.FlowScope)">
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<h4>getTypeIfRefinable</h4>
<pre>protected&nbsp;<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;getTypeIfRefinable(<a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;node,
                        <a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;scope)</pre>
<div class="block">Returns the type of a node in the given scope if the node corresponds to a
 name whose type is capable of being refined.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The current type of the node if it can be refined, null otherwise.</dd></dl>
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<a name="declareNameInScope(com.google.javascript.jscomp.type.FlowScope, com.google.javascript.rhino.Node, com.google.javascript.rhino.jstype.JSType)">
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<h4>declareNameInScope</h4>
<pre>protected&nbsp;void&nbsp;declareNameInScope(<a href="../../../../../com/google/javascript/jscomp/type/FlowScope.html" title="interface in com.google.javascript.jscomp.type">FlowScope</a>&nbsp;scope,
                      <a href="../../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;node,
                      <a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</pre>
<div class="block">Declares a refined type in <code>scope</code> for the name represented by
 <code>node</code>. It must be possible to refine the type of the given node in
 the given scope, as determined by <a href="../../../../../com/google/javascript/jscomp/type/ChainableReverseAbstractInterpreter.html#getTypeIfRefinable(com.google.javascript.rhino.Node,%20com.google.javascript.jscomp.type.FlowScope)"><code>getTypeIfRefinable(com.google.javascript.rhino.Node, com.google.javascript.jscomp.type.FlowScope)</code></a>.</div>
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<a name="getRestrictedWithoutUndefined(com.google.javascript.rhino.jstype.JSType)">
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<h4>getRestrictedWithoutUndefined</h4>
<pre>protected final&nbsp;<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;getRestrictedWithoutUndefined(<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</pre>
<div class="block">Returns a version of type where undefined is not present.</div>
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<a name="getRestrictedWithoutNull(com.google.javascript.rhino.jstype.JSType)">
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<h4>getRestrictedWithoutNull</h4>
<pre>protected final&nbsp;<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;getRestrictedWithoutNull(<a href="../../../../../com/google/javascript/rhino/jstype/JSType.html" title="class in com.google.javascript.rhino.jstype">JSType</a>&nbsp;type)</pre>
<div class="block">Returns a version of type where null is not present.</div>
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