[clang] [clang][ExtractAPI] Add ability to create multiple symbol graphs (PR #86676)

[via cfe-commits]

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@@ -826,430 +738,322 @@ StringRef SymbolGraphSerializer::getConstraintString(ConstraintKind Kind) {
   llvm_unreachable("Unhandled constraint kind");
 }
 
-void SymbolGraphSerializer::serializeRelationship(RelationshipKind Kind,
-                                                  SymbolReference Source,
-                                                  SymbolReference Target) {
-  Object Relationship;
-  Relationship["source"] = Source.USR;
-  Relationship["target"] = Target.USR;
-  Relationship["targetFallback"] = Target.Name;
-  Relationship["kind"] = getRelationshipString(Kind);
-
-  Relationships.emplace_back(std::move(Relationship));
-}
+void SymbolGraphSerializer::serializeAPIRecord(const APIRecord *Record) {
+  Object Obj;
 
-void SymbolGraphSerializer::visitNamespaceRecord(
-    const NamespaceRecord &Record) {
-  auto Namespace = serializeAPIRecord(Record);
-  if (!Namespace)
-    return;
-  Symbols.emplace_back(std::move(*Namespace));
-  if (!Record.ParentInformation.empty())
-    serializeRelationship(RelationshipKind::MemberOf, Record,
-                          Record.ParentInformation.ParentRecord);
-}
+  // If we need symbol labels for testing emit the USR as the value and the key
+  // starts with '!'' to ensure it ends up at the top of the object.
+  if (EmitSymbolLabelsForTesting)
+    Obj["!testLabel"] = Record->USR;
 
-void SymbolGraphSerializer::visitGlobalFunctionRecord(
-    const GlobalFunctionRecord &Record) {
-  auto Obj = serializeAPIRecord(Record);
-  if (!Obj)
-    return;
+  serializeObject(Obj, "identifier",
+                  serializeIdentifier(*Record, API.getLanguage()));
+  serializeObject(Obj, "kind", serializeSymbolKind(*Record, API.getLanguage()));
+  serializeObject(Obj, "names", serializeNames(Record));
+  serializeObject(
+      Obj, "location",
+      serializeSourceLocation(Record->Location, /*IncludeFileURI=*/true));
+  serializeArray(Obj, "availability",
+                 serializeAvailability(Record->Availability));
+  serializeObject(Obj, "docComment", serializeDocComment(Record->Comment));
+  serializeArray(Obj, "declarationFragments",
+                 serializeDeclarationFragments(Record->Declaration));
 
-  Symbols.emplace_back(std::move(*Obj));
-}
+  Obj["pathComponents"] = serializePathComponents(Record);
+  Obj["accessLevel"] = Record->Access.getAccess();
 
-void SymbolGraphSerializer::visitGlobalVariableRecord(
-    const GlobalVariableRecord &Record) {
-  auto Obj = serializeAPIRecord(Record);
-  if (!Obj)
-    return;
+  ExtendedModule &Module = getModuleForCurrentSymbol();
+  // If the hierarchy has at leas one parent and child.
----------------
QuietMisdreavus wrote:

Typo:
```suggestion
  // If the hierarchy has at least one parent and child.
```

https://github.com/llvm/llvm-project/pull/86676