================
@@ -0,0 +1,352 @@
+#include "Generators.h"
+#include "llvm/Support/JSON.h"
+
+using namespace llvm;
+using namespace llvm::json;
+
+static llvm::ExitOnError ExitOnErr;
+
+namespace clang {
+namespace doc {
+
+class JSONGenerator : public Generator {
+public:
+  static const char *Format;
+
+  Error generateDocs(StringRef RootDir,
+                     llvm::StringMap<std::unique_ptr<doc::Info>> Infos,
+                     const ClangDocContext &CDCtx) override;
+  Error createResources(ClangDocContext &CDCtx) override;
+  Error generateDocForInfo(Info *I, llvm::raw_ostream &OS,
+                           const ClangDocContext &CDCtx) override;
+};
+
+const char *JSONGenerator::Format = "json";
+
+static void serializeInfo(const TypedefInfo &I, json::Object &Obj,
+                          std::optional<StringRef> RepositoryUrl);
+static void serializeInfo(const EnumInfo &I, json::Object &Obj,
+                          std::optional<StringRef> RepositoryUrl);
+
+static json::Object serializeLocation(const Location &Loc,
+                                      std::optional<StringRef> RepositoryUrl) {
+  Object LocationObj = Object();
+  LocationObj["LineNumber"] = Loc.StartLineNumber;
+  LocationObj["Filename"] = Loc.Filename;
+
+  if (!Loc.IsFileInRootDir || !RepositoryUrl)
+    return LocationObj;
+  SmallString<128> FileURL(*RepositoryUrl);
+  sys::path::append(FileURL, sys::path::Style::posix, Loc.Filename);
+  FileURL += "#" + std::to_string(Loc.StartLineNumber);
+  LocationObj["FileURL"] = FileURL;
+  return LocationObj;
+}
+
+static json::Value serializeComment(const CommentInfo &Comment) {
+  assert((Comment.Kind == "BlockCommandComment" ||
+          Comment.Kind == "FullComment" || Comment.Kind == "ParagraphComment" 
||
+          Comment.Kind == "TextComment") &&
+         "Unknown Comment type in CommentInfo.");
----------------
ilovepi wrote:

This whole bit may be nicer after 
https://github.com/llvm/llvm-project/pull/142273

https://github.com/llvm/llvm-project/pull/142483
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