1 files changed, 40 insertions, 0 deletions
diff --git a/clang-tools-extra/clangd/xpc/Conversion.cpp b/clang-tools-extra/clangd/xpc/Conversion.cpp
new file mode 100644
index 00000000000..45bb11af21d
--- /dev/null
+++ b/clang-tools-extra/clangd/xpc/Conversion.cpp
@@ -0,0 +1,40 @@
+//===--- Conversion.cpp - LSP data (de-)serialization through XPC - C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "xpc/Conversion.h"
+#include "Logger.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/ScopedPrinter.h"
+#include <string>
+#include <vector>
+
+using namespace llvm;
+namespace clang {
+namespace clangd {
+
+xpc_object_t jsonToXpc(const json::Value &JSON) {
+  const char *const Key = "LSP";
+  xpc_object_t PayloadObj = xpc_string_create(llvm::to_string(JSON).c_str());
+  return xpc_dictionary_create(&Key, &PayloadObj, 1);
+}
+
+json::Value xpcToJson(const xpc_object_t &XPCObject) {
+  if (xpc_get_type(XPCObject) == XPC_TYPE_DICTIONARY) {
+    const char *const LSP = xpc_dictionary_get_string(XPCObject, "LSP");
+    auto Json = json::parse(llvm::StringRef(LSP));
+    if (Json)
+      return *Json;
+    else
+      elog("JSON parse error: {0}", toString(Json.takeError()));
+  }
+  return json::Value(nullptr);
+}
+
+} // namespace clangd
+} // namespace clang