https://github.com/evelez7 updated 
https://github.com/llvm/llvm-project/pull/149590

>From eb171f6b28eac5e7458c1472645d64be9ffb056f Mon Sep 17 00:00:00 2001
From: Erick Velez <erickvel...@gmail.com>
Date: Thu, 17 Jul 2025 15:04:20 -0700
Subject: [PATCH] [clang-doc] separate comments into categories

Comment categories will allow better comment organization in HTML.
Before, comments would just be serialized in whatever order they were
written, so groups like params or notes wouldn't be in the same
sections.
---
 clang-tools-extra/clang-doc/JSONGenerator.cpp | 43 ++++++++++++----
 .../test/clang-doc/json/class.cpp             | 51 +++++++++----------
 .../test/clang-doc/json/concept.cpp           | 15 +++---
 3 files changed, 64 insertions(+), 45 deletions(-)

diff --git a/clang-tools-extra/clang-doc/JSONGenerator.cpp 
b/clang-tools-extra/clang-doc/JSONGenerator.cpp
index 908e23d24d079..5e2d60a8427e1 100644
--- a/clang-tools-extra/clang-doc/JSONGenerator.cpp
+++ b/clang-tools-extra/clang-doc/JSONGenerator.cpp
@@ -83,7 +83,21 @@ serializeLocation(const Location &Loc,
   return LocationObj;
 }
 
-static json::Value serializeComment(const CommentInfo &I) {
+static void insertComment(Object &Description, json::Value &Comment,
+                          std::string Key) {
+  auto *CommentArray = Description.getArray(Key);
+  if (!CommentArray) {
+    auto CommentsArray = json::Array();
+    CommentsArray.push_back(Comment);
+    Description[Key] = std::move(CommentsArray);
+    Description["Has" + Key] = true;
+  } else {
+    CommentArray->push_back(Comment);
+    Description[Key] = std::move(*CommentArray);
+  }
+}
+
+static Object serializeComment(const CommentInfo &I, Object &Description) {
   // taken from PR #142273
   Object Obj = Object();
 
@@ -94,7 +108,7 @@ static json::Value serializeComment(const CommentInfo &I) {
   auto &CARef = *ChildArr.getAsArray();
   CARef.reserve(I.Children.size());
   for (const auto &C : I.Children)
-    CARef.emplace_back(serializeComment(*C));
+    CARef.emplace_back(serializeComment(*C, Description));
 
   switch (I.Kind) {
   case CommentKind::CK_TextComment: {
@@ -106,6 +120,8 @@ static json::Value serializeComment(const CommentInfo &I) {
     Child.insert({"Command", I.Name});
     Child.insert({"Children", ChildArr});
     Obj.insert({commentKindToString(I.Kind), ChildVal});
+    if (I.Name == "brief")
+      insertComment(Description, ChildVal, "BriefComments");
     return Obj;
   }
 
@@ -137,7 +153,10 @@ static json::Value serializeComment(const CommentInfo &I) {
     if (!I.CloseName.empty())
       Child.insert({"CloseName", I.CloseName});
     Child.insert({"Children", ChildArr});
-    Obj.insert({commentKindToString(I.Kind), ChildVal});
+    if (I.CloseName == "endcode")
+      insertComment(Description, ChildVal, "CodeComments");
+    else if (I.CloseName == "endverbatim")
+      insertComment(Description, ChildVal, "VerbatimComments");
     return Obj;
   }
 
@@ -210,12 +229,18 @@ serializeCommonAttributes(const Info &I, json::Object 
&Obj,
   }
 
   if (!I.Description.empty()) {
-    json::Value DescArray = json::Array();
-    auto &DescArrayRef = *DescArray.getAsArray();
-    DescArrayRef.reserve(I.Description.size());
-    for (const auto &Comment : I.Description)
-      DescArrayRef.push_back(serializeComment(Comment));
-    Obj["Description"] = DescArray;
+    Object Description = Object();
+    // Skip straight to the FullComment's children
+    auto &Comments = I.Description.at(0).Children;
+    for (const auto &CommentInfo : Comments) {
+      json::Value Comment = serializeComment(*CommentInfo, Description);
+      // if a ParagraphComment is returned, then it is a top-level comment that
+      // needs to be inserted manually.
+      if (auto *ParagraphComment =
+              Comment.getAsObject()->get("ParagraphComment"))
+        insertComment(Description, *ParagraphComment, "ParagraphComments");
+    }
+    Obj["Description"] = std::move(Description);
   }
 
   // Namespaces aren't SymbolInfos, so they dont have a DefLoc
diff --git a/clang-tools-extra/test/clang-doc/json/class.cpp 
b/clang-tools-extra/test/clang-doc/json/class.cpp
index a36358982b019..e8fafca28a956 100644
--- a/clang-tools-extra/test/clang-doc/json/class.cpp
+++ b/clang-tools-extra/test/clang-doc/json/class.cpp
@@ -33,33 +33,30 @@ struct MyClass {
 };
 
 // CHECK:       {
-// CHECK-NEXT:    "Description": [
-// CHECK-NEXT:      {
-// CHECK-NEXT:       "FullComment": {
-// CHECK-NEXT:         "Children": [
-// CHECK-NEXT:           {
-// CHECK-NEXT:             "ParagraphComment": {
-// CHECK-NEXT:               "Children": [
-// CHECK-NEXT:                 {
-// CHECK-NEXT:                   "TextComment": " This is a nice class."
-// CHECK-NEXT:                 },
-// CHECK-NEXT:                 {
-// CHECK-NEXT:                   "TextComment": " It has some nice methods and 
fields."
-// CHECK-NEXT:                 },
-// CHECK-NEXT:                 {
-// CHECK-NEXT:                   "TextComment": ""
-// CHECK-NEXT:                 }
-// CHECK-NEXT:               ]
-// CHECK:               {
-// CHECK-NEXT:             "BlockCommandComment": {
-// CHECK-NEXT:               "Children": [
-// CHECK-NEXT:                 {
-// CHECK-NEXT:                   "ParagraphComment": {
-// CHECK-NEXT:                     "Children": [
-// CHECK-NEXT:                       { 
-// CHECK-NEXT:                         "TextComment": " This is a brief 
description." 
-// CHECK-NEXT:                       }
-// CHECK:                   "Command": "brief"
+// CHECK-NEXT:    "Description": {
+// CHECK-NEXT:      "BriefComments": [
+// CHECK-NEXT:        {
+// CHECK-NEXT:          "Children": [
+// CHECK-NEXT:            {
+// CHECK-NEXT:              "ParagraphComment": {
+// CHECK-NEXT:                "Children": [
+// CHECK-NEXT:                  {
+// CHECK-NEXT:                    "TextComment": " This is a brief 
description."
+// CHECK:               "Command": "brief"
+// CHECK:           "HasBriefComments": true,
+// CHECK-NEXT:      "HasParagraphComments": true,
+// CHECK-NEXT:      "ParagraphComments": [
+// CHECK-NEXT:        {
+// CHECK-NEXT:          "Children": [
+// CHECK-NEXT:            {
+// CHECK-NEXT:              "TextComment": " This is a nice class."
+// CHECK-NEXT:            },
+// CHECK-NEXT:            {
+// CHECK-NEXT:              "TextComment": " It has some nice methods and 
fields."
+// CHECK-NEXT:            },
+// CHECK-NEXT:            {
+// CHECK-NEXT:              "TextComment": ""
+// CHECK-NEXT:            }
 // CHECK:         "DocumentationFileName": "_ZTV7MyClass",
 // CHECK:         "Enums": [
 // CHECK-NEXT:      {
diff --git a/clang-tools-extra/test/clang-doc/json/concept.cpp 
b/clang-tools-extra/test/clang-doc/json/concept.cpp
index 766415bbbeecd..2874caf28f8f5 100644
--- a/clang-tools-extra/test/clang-doc/json/concept.cpp
+++ b/clang-tools-extra/test/clang-doc/json/concept.cpp
@@ -13,16 +13,13 @@ concept Incrementable = requires(T x) {
 // CHECK-NEXT:    "Concepts": [
 // CHECK-NEXT:      {
 // CHECK-NEXT:        "ConstraintExpression": "requires (T x) { ++x; x++; }",
-// CHECK-NEXT:        "Description": [
+// CHECK-NEXT:        "Description": {
+// CHECK-NEXT:        "HasParagraphComments": true,
+// CHECK-NEXT:        "ParagraphComments": [
 // CHECK-NEXT:          {
-// CHECK-NEXT:            "FullComment": {
-// CHECK-NEXT:              "Children": [
-// CHECK-NEXT:                {
-// CHECK-NEXT:                  "ParagraphComment": {
-// CHECK-NEXT:                    "Children": [
-// CHECK-NEXT:                      {
-// CHECK-NEXT:                        "TextComment": " Requires that T suports 
post and pre-incrementing."
-// CHECK:             ],
+// CHECK-NEXT:            "Children": [
+// CHECK-NEXT:              {
+// CHECK-NEXT:                "TextComment": " Requires that T suports post 
and pre-incrementing."
 // CHECK:             "End": true,
 // CHECK-NEXT:        "InfoType": "concept",
 // CHECK-NEXT:        "IsType": true,

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