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330 lines
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<title>Class LocalVariableLookup | HiAPI-C# 2025 </title>
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<meta name="description" content="Reads Fanuc-style local macro variables (#1-#33) from Vars.Local on the current JSON, walking until the entry is found. Self-gates the id range so the evaluator's chain can fall through to the next lookup for out-of-range keys. Stateless and dependency-free — instances are interchangeable.">
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<article data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup">
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<h1 id="Hi_NcParsers_EvaluationSyntaxs_Evaluation_LocalVariableLookup" data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup" class="text-break">
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Class LocalVariableLookup
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</h1>
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<div class="facts text-secondary">
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<dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.NcParsers.html">NcParsers</a>.<a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.html">EvaluationSyntaxs</a>.<a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.Evaluation.html">Evaluation</a></dd></dl>
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<dl><dt>Assembly</dt><dd>HiMech.dll</dd></dl>
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</div>
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<div class="markdown summary"><p>Reads Fanuc-style local macro variables (<code>#1-#33</code>) from
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<code>Vars.Local</code> on the current <a class="xref" href="Hi.NcParsers.Syntaxs.SyntaxPiece.html">SyntaxPiece</a> JSON,
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walking <a class="xref" href="Hi.Common.Collections.LazyLinkedListNode-1.html#Hi_Common_Collections_LazyLinkedListNode_1_Previous">Previous</a> until the entry
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is found. Self-gates the id range so the evaluator's
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<a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.VariableEvaluatorSyntax.html#Hi_NcParsers_EvaluationSyntaxs_VariableEvaluatorSyntax_RuntimeVariableLookups">RuntimeVariableLookups</a> chain can
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fall through to the next lookup for out-of-range keys.</p>
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<p>
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Stateless and dependency-free — instances are interchangeable.
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</p>
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</div>
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<div class="markdown conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public class LocalVariableLookup : IRuntimeVariableLookup</code></pre>
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</div>
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<dl class="typelist inheritance">
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<dt>Inheritance</dt>
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<dd>
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<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
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<div><span class="xref">LocalVariableLookup</span></div>
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</dd>
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</dl>
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<dl class="typelist implements">
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<dt>Implements</dt>
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<dd>
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<div><a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.Evaluation.IRuntimeVariableLookup.html">IRuntimeVariableLookup</a></div>
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</dd>
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</dl>
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<dl class="typelist inheritedMembers">
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<dt>Inherited Members</dt>
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<dd>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
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</div>
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</dd></dl>
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<dl class="typelist extensionMethods">
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<dt>Extension Methods</dt>
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<dd>
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<div>
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<a class="xref" href="Hi.Common.DuplicateUtil.html#Hi_Common_DuplicateUtil_TryDuplicate__1___0_System_Object___">DuplicateUtil.TryDuplicate<TSelf>(TSelf, params object[])</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__1___0_System_Action___0__">InvokeUtil.SelfInvoke<TSrc>(TSrc, Action<TSrc>)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__2___0_System_Func___0___1__">InvokeUtil.SelfInvoke<TSrc, TDst>(TSrc, Func<TSrc, TDst>)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Coloring.ColorUtil.html#Hi_Coloring_ColorUtil_GetGloomyColor_System_Object_System_Double_System_Double_">ColorUtil.GetGloomyColor(object, double, double)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.NameUtil.html#Hi_Common_NameUtil_GetSelectionName_System_Object_">NameUtil.GetSelectionName(object)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.StringUtil.html#Hi_Common_StringUtil_GetPropertyStringIfToStringNotOverloaded_System_Object_System_Boolean_System_Boolean_">StringUtil.GetPropertyStringIfToStringNotOverloaded(object, bool, bool)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Parallels.LockUtil.html#Hi_Parallels_LockUtil_Lock_System_Object_">LockUtil.Lock(object)</a>
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</div>
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</dd></dl>
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<h2 class="section" id="fields">Fields
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</h2>
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<h3 id="Hi_NcParsers_EvaluationSyntaxs_Evaluation_LocalVariableLookup_LocalMax" data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup.LocalMax">
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LocalMax
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</h3>
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<div class="markdown level1 summary"><p>Inclusive upper bound of the macro-local range (<code>#33</code>).</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public const int LocalMax = 33</code></pre>
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</div>
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<h4 class="section">Field Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
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<dd></dd>
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</dl>
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<h3 id="Hi_NcParsers_EvaluationSyntaxs_Evaluation_LocalVariableLookup_LocalMin" data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup.LocalMin">
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LocalMin
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</h3>
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<div class="markdown level1 summary"><p>Inclusive lower bound of the macro-local range (<code>#1</code>).</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public const int LocalMin = 1</code></pre>
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</div>
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<h4 class="section">Field Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
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<dd></dd>
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</dl>
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<h2 class="section" id="methods">Methods
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</h2>
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<a id="Hi_NcParsers_EvaluationSyntaxs_Evaluation_LocalVariableLookup_Get_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup.Get*"></a>
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<h3 id="Hi_NcParsers_EvaluationSyntaxs_Evaluation_LocalVariableLookup_Get_System_String_Hi_Common_Collections_LazyLinkedListNode_Hi_NcParsers_Syntaxs_SyntaxPiece__System_Collections_Generic_IReadOnlyList_Hi_NcParsers_Dependencys_INcDependency__" data-uid="Hi.NcParsers.EvaluationSyntaxs.Evaluation.LocalVariableLookup.Get(System.String,Hi.Common.Collections.LazyLinkedListNode{Hi.NcParsers.Syntaxs.SyntaxPiece},System.Collections.Generic.IReadOnlyList{Hi.NcParsers.Dependencys.INcDependency})">
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Get(string, LazyLinkedListNode<SyntaxPiece>, IReadOnlyList<INcDependency>)
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</h3>
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<div class="markdown level1 summary"><p>Returns the value of the variable identified by <code class="paramref">key</code>
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in the context of <code class="paramref">node</code> and
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<code class="paramref">dependencies</code>, or <code>null</code> if the key is outside
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this lookup's range or the value is vacant.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public double? Get(string key, LazyLinkedListNode<SyntaxPiece> node, IReadOnlyList<INcDependency> dependencies)</code></pre>
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</div>
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<h4 class="section">Parameters</h4>
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<dl class="parameters">
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<dt><code>key</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
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<dd></dd>
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<dt><code>node</code> <a class="xref" href="Hi.Common.Collections.LazyLinkedListNode-1.html">LazyLinkedListNode</a><<a class="xref" href="Hi.NcParsers.Syntaxs.SyntaxPiece.html">SyntaxPiece</a>></dt>
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<dd></dd>
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<dt><code>dependencies</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a><<a class="xref" href="Hi.NcParsers.Dependencys.INcDependency.html">INcDependency</a>></dt>
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<dd></dd>
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</dl>
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<h4 class="section">Returns</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>?</dt>
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<dd></dd>
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</dl>
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</article>
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