[clang][ExtractAPI] Add support for C++ member templates

Visit and serialize C++ fields by checking if a var template's context is a CXXRecordDecl in VisitVarTemplateDecl.

Depends on D158027

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D158029

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
index 8a65679..6782483 100644
--- a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
+++ b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
@@ -428,6 +428,10 @@ Object serializeSymbolKind(APIRecord::RecordKind RK, Language Lang) {
     Kind["identifier"] = AddLangPrefix("method");
     Kind["displayName"] = "Method Template Specialization";
     break;
+  case APIRecord::RK_CXXFieldTemplate:
+    Kind["identifier"] = AddLangPrefix("property");
+    Kind["displayName"] = "Template Property";
+    break;
   case APIRecord::RK_Concept:
     Kind["identifier"] = AddLangPrefix("concept");
     Kind["displayName"] = "Concept";
@@ -956,6 +960,19 @@ void SymbolGraphSerializer::visitMethodTemplateSpecializationRecord(
                         Record.ParentInformation.ParentRecord);
 }
 
+void SymbolGraphSerializer::visitCXXFieldTemplateRecord(
+    const CXXFieldTemplateRecord &Record) {
+  if (!ShouldRecurse)
+    // Ignore child symbols
+    return;
+  auto CXXFieldTemplate = serializeAPIRecord(Record);
+  if (!CXXFieldTemplate)
+    return;
+  Symbols.emplace_back(std::move(*CXXFieldTemplate));
+  serializeRelationship(RelationshipKind::MemberOf, Record,
+                        Record.ParentInformation.ParentRecord);
+}
+
 void SymbolGraphSerializer::visitConceptRecord(const ConceptRecord &Record) {
   auto Concept = serializeAPIRecord(Record);
   if (!Concept)