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<div class="subTitle">org.apache.drill.exec.compile.bytecode</div>
<h2 title="Class ReplacingBasicValue" class="title">Class ReplacingBasicValue</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>org.objectweb.asm.tree.analysis.BasicValue</li>
<li>
<ul class="inheritance">
<li>org.apache.drill.exec.compile.bytecode.ReplacingBasicValue</li>
</ul>
</li>
</ul>
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</ul>
<div class="description">
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<dt>All Implemented Interfaces:</dt>
<dd>org.objectweb.asm.tree.analysis.Value</dd>
</dl>
<hr>
<br>
<pre>public class <span class="typeNameLabel">ReplacingBasicValue</span>
extends org.objectweb.asm.tree.analysis.BasicValue</pre>
<div class="block">BasicValue with additional tracking information used to determine
the replaceability of the value (a holder, or boxed value) for scalar replacement purposes.
<p>Contains a set of flags that indicate how the value is used. These
are updated throughout the life of the function, via the Analyzer/Interpreter,
which simulate execution of the function. After the analysis is complete, the
flags indicate how the value/variable was used, and that in turn indicates whether
or not we can replace it.</div>
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<h3>Fields inherited from class&nbsp;org.objectweb.asm.tree.analysis.BasicValue</h3>
<code>DOUBLE_VALUE, FLOAT_VALUE, INT_VALUE, LONG_VALUE, REFERENCE_VALUE, RETURNADDRESS_VALUE, UNINITIALIZED_VALUE</code></li>
</ul>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#associate-org.apache.drill.exec.compile.bytecode.ReplacingBasicValue-">associate</a></span>(<a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a>&nbsp;other)</code>
<div class="block">Associate this value with another.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#create-org.objectweb.asm.Type-org.apache.drill.exec.compile.bytecode.ValueHolderIden-int-java.util.List-">create</a></span>(org.objectweb.asm.Type&nbsp;type,
org.apache.drill.exec.compile.bytecode.ValueHolderIden&nbsp;iden,
int&nbsp;index,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a>&gt;&nbsp;valueList)</code>
<div class="block">Create a new value representing a holder (boxed value).</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#disableFunctionReturn--">disableFunctionReturn</a></span>()</code>
<div class="block">Clear the indication that this value is used as a function return value.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#dump-java.lang.StringBuilder-int-">dump</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;sb,
int&nbsp;indentLevel)</code>
<div class="block">Dump the value's members to a StringBuilder.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.drill.exec.compile.bytecode.ValueHolderIden</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#getIden--">getIden</a></span>()</code>
<div class="block">Return the ValueHolder identity for this value.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#getIndex--">getIndex</a></span>()</code>
<div class="block">Get the original local variable slot assigned to this value/holder.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isAssignedInConditionalBlock--">isAssignedInConditionalBlock</a></span>()</code>
<div class="block">Indicates whether or not this value is assigned to a variable inside of conditional block.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isAssignedToMember--">isAssignedToMember</a></span>()</code>
<div class="block">Indicates whether or not this value is assigned to a class member variable.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isFunctionArgument--">isFunctionArgument</a></span>()</code>
<div class="block">Indicates whether or not this value is used as a function argument.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isFunctionReturn--">isFunctionReturn</a></span>()</code>
<div class="block">Indicates whether or not this value is used as a function return value.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isReplaceable--">isReplaceable</a></span>()</code>
<div class="block">Indicates whether or not this value is replaceable.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#isThis--">isThis</a></span>()</code>
<div class="block">Indicates whether or not this value is a "this" reference.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#markFunctionReturn--">markFunctionReturn</a></span>()</code>
<div class="block">Mark this value as being used as a function return value.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#setAssignedInConditionalBlock--">setAssignedInConditionalBlock</a></span>()</code>
<div class="block">Mark this value as being assigned to a variable inside of conditional block.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#setAssignedToMember--">setAssignedToMember</a></span>()</code>
<div class="block">Mark this value as being assigned to a class member variable.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#setFrameSlot-int-">setFrameSlot</a></span>(int&nbsp;frameSlot)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#setFunctionArgument--">setFunctionArgument</a></span>()</code>
<div class="block">Mark this value as being used as a function argument.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html#setThis--">setThis</a></span>()</code>
<div class="block">Mark this value as a "this" reference.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.objectweb.asm.tree.analysis.BasicValue</h3>
<code>equals, getSize, getType, hashCode, isReference, toString</code></li>
</ul>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
</ul>
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<h3>Method Detail</h3>
<a name="create-org.objectweb.asm.Type-org.apache.drill.exec.compile.bytecode.ValueHolderIden-int-java.util.List-">
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<h4>create</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a>&nbsp;create(org.objectweb.asm.Type&nbsp;type,
org.apache.drill.exec.compile.bytecode.ValueHolderIden&nbsp;iden,
int&nbsp;index,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a>&gt;&nbsp;valueList)</pre>
<div class="block">Create a new value representing a holder (boxed value).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - the type of the holder</dd>
<dd><code>iden</code> - the ValueHolderIden for the holder</dd>
<dd><code>index</code> - the original local variable slot assigned to the value</dd>
<dd><code>valueList</code> - TODO</dd>
<dt><span class="returnLabel">Returns:</span></dt>
</dl>
</li>
</ul>
<a name="dump-java.lang.StringBuilder-int-">
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<h4>dump</h4>
<pre>public&nbsp;void&nbsp;dump(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;sb,
int&nbsp;indentLevel)</pre>
<div class="block">Dump the value's members to a StringBuilder.
<p>For logging and/or debugging.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sb</code> - the StringBuilder</dd>
<dd><code>indentLevel</code> - the amount of indentation (in spaces) to prepend to each line</dd>
</dl>
</li>
</ul>
<a name="isReplaceable--">
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<h4>isReplaceable</h4>
<pre>public&nbsp;boolean&nbsp;isReplaceable()</pre>
<div class="block">Indicates whether or not this value is replaceable.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether or not the value is replaceable</dd>
</dl>
</li>
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<h4>setFrameSlot</h4>
<pre>public&nbsp;void&nbsp;setFrameSlot(int&nbsp;frameSlot)</pre>
</li>
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<h4>associate</h4>
<pre>public&nbsp;void&nbsp;associate(<a href="../../../../../../org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.html" title="class in org.apache.drill.exec.compile.bytecode">ReplacingBasicValue</a>&nbsp;other)</pre>
<div class="block">Associate this value with another.
<p>This value and/or the other may each already have their own set of
associates.
<p>Once associated, these values will share flag values, and a change to
any one of them will be shared with all other members of the association.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>other</code> - the other value</dd>
</dl>
</li>
</ul>
<a name="markFunctionReturn--">
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<h4>markFunctionReturn</h4>
<pre>public&nbsp;void&nbsp;markFunctionReturn()</pre>
<div class="block">Mark this value as being used as a function return value.</div>
</li>
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<h4>disableFunctionReturn</h4>
<pre>public&nbsp;void&nbsp;disableFunctionReturn()</pre>
<div class="block">Clear the indication that this value is used as a function return value.</div>
</li>
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<a name="isFunctionReturn--">
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<h4>isFunctionReturn</h4>
<pre>public&nbsp;boolean&nbsp;isFunctionReturn()</pre>
<div class="block">Indicates whether or not this value is used as a function return value.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether or not this value is used as a function return value</dd>
</dl>
</li>
</ul>
<a name="setFunctionArgument--">
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<h4>setFunctionArgument</h4>
<pre>public&nbsp;void&nbsp;setFunctionArgument()</pre>
<div class="block">Mark this value as being used as a function argument.</div>
</li>
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<a name="isFunctionArgument--">
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<h4>isFunctionArgument</h4>
<pre>public&nbsp;boolean&nbsp;isFunctionArgument()</pre>
<div class="block">Indicates whether or not this value is used as a function argument.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether or not this value is used as a function argument</dd>
</dl>
</li>
</ul>
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<h4>setAssignedToMember</h4>
<pre>public&nbsp;void&nbsp;setAssignedToMember()</pre>
<div class="block">Mark this value as being assigned to a class member variable.</div>
</li>
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<h4>setAssignedInConditionalBlock</h4>
<pre>public&nbsp;void&nbsp;setAssignedInConditionalBlock()</pre>
<div class="block">Mark this value as being assigned to a variable inside of conditional block.</div>
</li>
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<pre>public&nbsp;boolean&nbsp;isAssignedToMember()</pre>
<div class="block">Indicates whether or not this value is assigned to a class member variable.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether or not this value is assigned to a class member variable</dd>
</dl>
</li>
</ul>
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<h4>isAssignedInConditionalBlock</h4>
<pre>public&nbsp;boolean&nbsp;isAssignedInConditionalBlock()</pre>
<div class="block">Indicates whether or not this value is assigned to a variable inside of conditional block.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether or not this value is assigned to a variable inside of conditional block</dd>
</dl>
</li>
</ul>
<a name="getIden--">
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<h4>getIden</h4>
<pre>public&nbsp;org.apache.drill.exec.compile.bytecode.ValueHolderIden&nbsp;getIden()</pre>
<div class="block">Return the ValueHolder identity for this value.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the ValueHolderIden for this value</dd>
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<pre>public&nbsp;int&nbsp;getIndex()</pre>
<div class="block">Get the original local variable slot assigned to this value/holder.</div>
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<pre>public&nbsp;void&nbsp;setThis()</pre>
<div class="block">Mark this value as a "this" reference.</div>
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<pre>public&nbsp;boolean&nbsp;isThis()</pre>
<div class="block">Indicates whether or not this value is a "this" reference.</div>
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<dd>whether or not this value is a "this" reference</dd>
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