[clang][ssaf] Add doc comments to makeQualified methods

Author: jkorous-apple

clang/include/clang/Analysis/Scalable/Model/BuildNamespace.h

@@ -61,7 +61,10 @@ class NestedBuildNamespace {
 
   static NestedBuildNamespace makeTU(llvm::StringRef CompilationId);
 
-  NestedBuildNamespace makeQualified(NestedBuildNamespace Namespace) {
+  /// Creates a new NestedBuildNamespace by appending additional namespace.
+  ///
+  /// \param Namespace The namespace to append.
+  NestedBuildNamespace makeQualified(NestedBuildNamespace Namespace) const {
     auto Copy = *this;
     Copy.Namespaces.reserve(Copy.Namespaces.size() + Namespace.Namespaces.size());
     llvm::append_range(Copy.Namespaces, Namespace.Namespaces);

clang/include/clang/Analysis/Scalable/Model/EntityName.h

@@ -34,7 +34,10 @@ class EntityName {
   bool operator!=(const EntityName& Other) const;
   bool operator<(const EntityName& Other) const;
 
-  EntityName makeQualified(NestedBuildNamespace Namespace);
+  /// Creates a new EntityName with additional build namespace qualification.
+  ///
+  /// \param Namespace The namespace steps to append to this entity's namespace.
+  EntityName makeQualified(NestedBuildNamespace Namespace) const;
 
   friend class LinkUnitResolution;
   friend class SerializationFormat;

clang/lib/Analysis/Scalable/Model/EntityName.cpp

@@ -32,7 +32,7 @@ bool EntityName::operator<(const EntityName& Other) const {
   return Namespace < Other.Namespace;
 }
 
-EntityName EntityName::makeQualified(NestedBuildNamespace Namespace) {
+EntityName EntityName::makeQualified(NestedBuildNamespace Namespace) const {
   auto Copy = *this;
   Copy.Namespace = Copy.Namespace.makeQualified(Namespace);