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<meta name="description" content="Resolves the Siemens IF ... [ELSE ...] ENDIF block conditional. Three phrases dispatched by , none of which needs a frame stack: IF — reads the resolved condition via (dialect-neutral numeric-JSON reader). True falls through into the then-branch; false forward-jumps to just after the matching ELSE (else-branch executes) or after the matching ENDIF when no else exists; unresolved warns SiemensIf--ConditionNotEvaluated and falls through (no redirect on unresolved input — the then-branch executes, and the ELSE rule below then skips the else-branch, which keeps the two branches mutually exclusive even on the fail-soft path).ELSE — reached in the normal stream only when the then-branch just executed (a false IF jumps past the ELSE line directly), so it unconditionally forward-jumps past the matching ENDIF.ENDIF — consumed no-op (stamped for cache dumps). Both forward scans run on the anchored overload from the host line, with a nesting-depth predicate: each nested block-IF increments the depth, each ENDIF at depth &amp;gt; 0 decrements it, and the match fires only at depth 0. The probe stack replays the Parsing statement owners the depth counter depends on — including ahead of , so a nested single-line IF cond GOTOF lbl is claimed by the GOTO owner and never miscounted as a block-IF. Pipeline placement: Evaluation bundle control-flow group, after (condition substituted) and before the variable readers.">
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<article data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax">
<h1 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax" class="text-break">
Class SiemensIfSyntax
</h1>
<div class="facts text-secondary">
<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.Siemens.html">Siemens</a></dd></dl>
<dl><dt>Assembly</dt><dd>HiMech.dll</dd></dl>
</div>
<div class="markdown summary"><p>Resolves the Siemens <code>IF ... [ELSE ...] ENDIF</code> block
conditional. Three phrases dispatched by
<a class="xref" href="Hi.NcParsers.Keywords.Siemens.SiemensIf.html#Hi_NcParsers_Keywords_Siemens_SiemensIf_Term">Term</a>, none of which needs a frame stack:</p>
<ul><li><code>IF</code> — reads the resolved condition via
<a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.Fanuc.FanucConditionReader.html">FanucConditionReader</a> (dialect-neutral numeric-JSON
reader). True falls through into the then-branch; false
forward-jumps to just after the matching <code>ELSE</code> (else-branch
executes) or after the matching <code>ENDIF</code> when no else exists;
unresolved warns <code>SiemensIf--ConditionNotEvaluated</code> and falls
through (no redirect on unresolved input — the then-branch
executes, and the ELSE rule below then skips the else-branch,
which keeps the two branches mutually exclusive even on the
fail-soft path).</li><li><code>ELSE</code> — reached in the normal stream only when the
then-branch just executed (a false IF jumps past the ELSE line
directly), so it unconditionally forward-jumps past the matching
<code>ENDIF</code>.</li><li><code>ENDIF</code> — consumed no-op (stamped for cache dumps).</li></ul>
<p>
Both forward scans run on the anchored <a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.LabelScanUtil.html">LabelScanUtil</a>
overload from the host line, with a nesting-depth predicate: each
nested block-<code>IF</code> increments the depth, each <code>ENDIF</code> at
depth &gt; 0 decrements it, and the match fires only at depth 0. The
probe stack replays the Parsing statement owners the depth counter
depends on — including <a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Siemens.SiemensGotoParsingSyntax.html">SiemensGotoParsingSyntax</a> ahead
of <a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Siemens.SiemensIfParsingSyntax.html">SiemensIfParsingSyntax</a>, so a nested single-line
<code>IF cond GOTOF lbl</code> is claimed by the GOTO owner and never
miscounted as a block-IF.
</p>
<p>
Pipeline placement: Evaluation bundle control-flow group, after
<a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.VariableEvaluatorSyntax.html">VariableEvaluatorSyntax</a> (condition substituted) and
before the variable readers.
</p>
</div>
<div class="markdown conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class SiemensIfSyntax : ISituNcSyntax, INcSyntax, IMakeXmlSource</code></pre>
</div>
<dl class="typelist inheritance">
<dt>Inheritance</dt>
<dd>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
<div><span class="xref">SiemensIfSyntax</span></div>
</dd>
</dl>
<dl class="typelist implements">
<dt>Implements</dt>
<dd>
<div><a class="xref" href="Hi.NcParsers.Syntaxs.ISituNcSyntax.html">ISituNcSyntax</a></div>
<div><a class="xref" href="Hi.NcParsers.Syntaxs.INcSyntax.html">INcSyntax</a></div>
<div><a class="xref" href="Hi.Common.XmlUtils.IMakeXmlSource.html">IMakeXmlSource</a></div>
</dd>
</dl>
<dl class="typelist inheritedMembers">
<dt>Inherited Members</dt>
<dd>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
</div>
<div>
<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>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
</div>
</dd></dl>
<dl class="typelist extensionMethods">
<dt>Extension Methods</dt>
<dd>
<div>
<a class="xref" href="Hi.Common.DuplicateUtil.html#Hi_Common_DuplicateUtil_TryDuplicate__1___0_System_Object___">DuplicateUtil.TryDuplicate&lt;TSelf&gt;(TSelf, params object[])</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__1___0_System_Action___0__">InvokeUtil.SelfInvoke&lt;TSrc&gt;(TSrc, Action&lt;TSrc&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__2___0_System_Func___0___1__">InvokeUtil.SelfInvoke&lt;TSrc, TDst&gt;(TSrc, Func&lt;TSrc, TDst&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Coloring.ColorUtil.html#Hi_Coloring_ColorUtil_GetGloomyColor_System_Object_System_Double_System_Double_">ColorUtil.GetGloomyColor(object, double, double)</a>
</div>
<div>
<a class="xref" href="Hi.Common.NameUtil.html#Hi_Common_NameUtil_GetSelectionName_System_Object_">NameUtil.GetSelectionName(object)</a>
</div>
<div>
<a class="xref" href="Hi.Common.StringUtil.html#Hi_Common_StringUtil_GetPropertyStringIfToStringNotOverloaded_System_Object_System_Boolean_System_Boolean_">StringUtil.GetPropertyStringIfToStringNotOverloaded(object, bool, bool)</a>
</div>
<div>
<a class="xref" href="Hi.Parallels.LockUtil.html#Hi_Parallels_LockUtil_Lock_System_Object_">LockUtil.Lock(object)</a>
</div>
</dd></dl>
<h2 class="section" id="constructors">Constructors
</h2>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax__ctor_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.#ctor*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax__ctor" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.#ctor">
SiemensIfSyntax()
</h3>
<div class="markdown level1 summary"><p>Parameterless instance (no XML state).</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public SiemensIfSyntax()</code></pre>
</div>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax__ctor_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.#ctor*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax__ctor_System_Xml_Linq_XElement_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.#ctor(System.Xml.Linq.XElement)">
SiemensIfSyntax(XElement)
</h3>
<div class="markdown level1 summary"><p>XML ctor (no child elements; reserved for forward compatibility).</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public SiemensIfSyntax(XElement src)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>src</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement">XElement</a></dt>
<dd><p>Root element named <a class="xref" href="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.html#Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_XName">XName</a>.</p>
</dd>
</dl>
<h2 class="section" id="properties">Properties
</h2>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Name_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Name*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Name" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Name">
Name
</h3>
<div class="markdown level1 summary"><p>Syntax kind name (typically the concrete type name).</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public string Name { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_XName_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.XName*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_XName" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.XName">
XName
</h3>
<div class="markdown level1 summary"><p>XML element name used to register this syntax with <a class="xref" href="Hi.Common.XmlUtils.XFactory.html">XFactory</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string XName { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h2 class="section" id="methods">Methods
</h2>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Build_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Build*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Build_Hi_Common_Collections_LazyLinkedListNode_Hi_NcParsers_Syntaxs_SyntaxPiece__System_Collections_Generic_List_Hi_NcParsers_Dependencys_INcDependency__Hi_NcParsers_NcDiagnosticProgress_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Build(Hi.Common.Collections.LazyLinkedListNode{Hi.NcParsers.Syntaxs.SyntaxPiece},System.Collections.Generic.List{Hi.NcParsers.Dependencys.INcDependency},Hi.NcParsers.NcDiagnosticProgress)">
Build(LazyLinkedListNode&lt;SyntaxPiece&gt;, List&lt;INcDependency&gt;, NcDiagnosticProgress)
</h3>
<div class="markdown level1 summary"><p>Build syntax arrangement into the
<code class="paramref">syntaxPieceNode</code> in-place.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Build(LazyLinkedListNode&lt;SyntaxPiece&gt; syntaxPieceNode, List&lt;INcDependency&gt; ncDependencyList, NcDiagnosticProgress ncDiagnosticProgress)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>syntaxPieceNode</code> <a class="xref" href="Hi.Common.Collections.LazyLinkedListNode-1.html">LazyLinkedListNode</a>&lt;<a class="xref" href="Hi.NcParsers.Syntaxs.SyntaxPiece.html">SyntaxPiece</a>&gt;</dt>
<dd></dd>
<dt><code>ncDependencyList</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="Hi.NcParsers.Dependencys.INcDependency.html">INcDependency</a>&gt;</dt>
<dd></dd>
<dt><code>ncDiagnosticProgress</code> <a class="xref" href="Hi.NcParsers.NcDiagnosticProgress.html">NcDiagnosticProgress</a></dt>
<dd></dd>
</dl>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_MakeXmlSource_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.MakeXmlSource*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_MakeXmlSource_System_String_System_String_System_Boolean_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.MakeXmlSource(System.String,System.String,System.Boolean)">
MakeXmlSource(string, string, bool)
</h3>
<div class="markdown level1 summary"><p>Creates an XML representation of the object.
This method may also generate additional resources such as related files.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public XElement MakeXmlSource(string baseDirectory, string relFile, bool exhibitionOnly)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>baseDirectory</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd><p>The base directory for resolving relative paths</p>
</dd>
<dt><code>relFile</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd><p>The relative file path for the XML source</p>
</dd>
<dt><code>exhibitionOnly</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
<dd><p>if true, the extended file creation is suppressed.</p>
</dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement">XElement</a></dt>
<dd><p>An XML element representing the object's state</p>
</dd>
</dl>
<h4 class="section" id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_MakeXmlSource_System_String_System_String_System_Boolean__remarks">Remarks</h4>
<div class="markdown level1 remarks"><p>For the demand of easy moving source folder (especially project folder) without configuration file path corruption, the relative file path is applied.
The <code class="paramref">baseDirectory</code> is typically the folder at the nearest configuration file folder.
Since the folder can be moving with the configuration file.</p>
</div>
<a id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Reg_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Reg*"></a>
<h3 id="Hi_NcParsers_EvaluationSyntaxs_Siemens_SiemensIfSyntax_Reg_Hi_Common_XmlUtils_XFactory_" data-uid="Hi.NcParsers.EvaluationSyntaxs.Siemens.SiemensIfSyntax.Reg(Hi.Common.XmlUtils.XFactory)">
Reg(XFactory)
</h3>
<div class="markdown level1 summary"><p>Registers this type's deserializer with the given <a class="xref" href="Hi.Common.XmlUtils.XFactory.html">XFactory</a>
(or <a class="xref" href="Hi.Common.XmlUtils.XFactory.html#Hi_Common_XmlUtils_XFactory_Default">Default</a> when <code class="paramref">factory</code> is
<code>null</code>). Idempotent.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static void Reg(XFactory factory = null)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>factory</code> <a class="xref" href="Hi.Common.XmlUtils.XFactory.html">XFactory</a></dt>
<dd></dd>
</dl>
</article>
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