Index: Expose the logic for deciding whether to index a symbol. NFC. (#8438)

Author: nkcsgexi

include/swift/Index/Index.h

@@ -25,7 +25,7 @@ void indexSourceFile(SourceFile *SF, StringRef hash,
                      IndexDataConsumer &consumer);
 void indexModule(ModuleDecl *module, StringRef hash,
                  IndexDataConsumer &consumer);
-
+bool shouldIndex(ValueDecl *D, bool IsRef);
 } // end namespace index
 } // end namespace swift
 

lib/Index/Index.cpp

@@ -403,17 +403,6 @@ class IndexSwiftASTWalker : public SourceEntityWalker {
     return SrcMgr.getLineAndColumn(Loc, BufferID);
   }
 
-  bool shouldIndex(ValueDecl *D, bool IsRef) const {
-    if (D->isImplicit())
-      return false;
-    if (isLocalSymbol(D) && (!isa<ParamDecl>(D) || IsRef))
-      return false;
-    if (D->isPrivateStdlibDecl())
-      return false;
-
-    return true;
-  }
-
   void getModuleHash(SourceFileOrModule SFOrMod, llvm::raw_ostream &OS);
   llvm::hash_code hashModule(llvm::hash_code code, SourceFileOrModule SFOrMod);
   llvm::hash_code hashFileReference(llvm::hash_code code,
@@ -1260,3 +1249,13 @@ void index::indexModule(ModuleDecl *module, StringRef hash,
   walker.visitModule(*module, hash);
   consumer.finish();
 }
+
+bool index::shouldIndex(ValueDecl *D, bool IsRef) {
+  if (D->isImplicit())
+    return false;
+  if (isLocalSymbol(D) && (!isa<ParamDecl>(D) || IsRef))
+    return false;
+  if (D->isPrivateStdlibDecl())
+    return false;
+  return true;
+}