feat: unnamed records are implementation-defined

alandefreitas · alandefreitas · commit 95089335981d · 2025-09-08T15:58:02.000-05:00
diff --git a/src/lib/AST/ASTVisitor.cpp b/src/lib/AST/ASTVisitor.cpp
@@ -641,6 +641,15 @@ populate(
     RecordInfo& I,
     CXXRecordDecl const* D)
 {
+    // Unnamed structs and classes are implementation-defined
+    // or dependencies at best. There are never pages for them.
+    if (D->getIdentifier() == nullptr)
+    {
+        I.Extraction = mostSpecific(
+            ExtractionMode::ImplementationDefined,
+            I.Extraction);
+    }
+
     if (D->getTypedefNameForAnonDecl())
     {
         I.IsTypeDef = true;
diff --git a/test-files/golden-tests/symbols/record/unnamed.adoc b/test-files/golden-tests/symbols/record/unnamed.adoc
@@ -0,0 +1,28 @@
+= Reference
+:mrdocs:
+
+[#index]
+== Global namespace
+
+=== Variables
+
+[cols=1]
+|===
+| Name
+| link:#F[`F`] 
+|===
+
+[#F]
+== F
+
+=== Synopsis
+
+Declared in `&lt;unnamed&period;cpp&gt;`
+
+[source,cpp,subs="verbatim,replacements,macros,-callouts"]
+----
+constexpr &sol;&ast; implementation-defined &ast;&sol; F = &lcub;&rcub;;
+----
+
+
+[.small]#Created with https://www.mrdocs.com[MrDocs]#
diff --git a/test-files/golden-tests/symbols/record/unnamed.cpp b/test-files/golden-tests/symbols/record/unnamed.cpp
@@ -0,0 +1,4 @@
+constexpr struct
+{
+    void operator()() const;
+} const F{};
diff --git a/test-files/golden-tests/symbols/record/unnamed.html b/test-files/golden-tests/symbols/record/unnamed.html
@@ -0,0 +1,47 @@
+<html lang="en">
+<head>
+<title>Reference</title>
+</head>
+<body>
+<div>
+<h1>Reference</h1>
+<div>
+<div>
+<h2 id="index"><a href="#index"></a></h2>
+</div>
+<h2>Variables</h2>
+<table style="table-layout: fixed; width: 100%;">
+<thead>
+<tr>
+<th>Name</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td><a href="#F"><code>F</code></a> </td></tr>
+</tbody>
+</table>
+
+</div>
+<div>
+<div>
+<h2 id="F"><a href="#F">F</a></h2>
+</div>
+<div>
+<h3>Synopsis</h3>
+<div>
+Declared in <code>&lt;unnamed.cpp&gt;</code></div>
+<pre>
+<code class="source-code cpp">constexpr /* implementation-defined */ F = {};
+
+</code>
+</pre>
+</div>
+</div>
+
+</div>
+<div>
+<h4>Created with <a href="https://www.mrdocs.com">MrDocs</a></h4>
+</div>
+</body>
+</html>
diff --git a/test-files/golden-tests/symbols/record/unnamed.xml b/test-files/golden-tests/symbols/record/unnamed.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mrdocs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="https://github.com/cppalliance/mrdocs/raw/develop/mrdocs.rnc">
+<namespace id="//////////////////////////8=">
+  <struct name="" id="F1Jq7+g4G9C/ONGL1uiGY4NNso4=">
+    <file short-path="unnamed.cpp" source-path="unnamed.cpp" line="1" class="def"/>
+  </struct>
+  <variable name="F" id="BGjARRRB5KxbD8yjAiXJFTuHZdc=" default="{}">
+    <file short-path="unnamed.cpp" source-path="unnamed.cpp" line="1" class="def"/>
+    <attr id="is-constexpr"/>
+    <type id="F1Jq7+g4G9C/ONGL1uiGY4NNso4=" name=""/>
+  </variable>
+</namespace>
+</mrdocs>
