Unified: Handle GenericTypeExpr in static name binding

Author: hvitved

unified/ql/lib/codeql/unified/internal/StaticNameBinding.qll

@@ -121,6 +121,8 @@ class NameBindingNode extends TNameBindingNode {
 Identifier getIdentifierFromRef(AstNode n) {
   result = n.(PotentialLocalNameAccess)
   or
+  result = n.(GenericTypeExpr).getBase()
+  or
   result = n.(MemberAccessExpr).getMemberNameNode()
 }
 

unified/ql/test/library-tests/static-name-binding/generics.swift

@@ -5,5 +5,5 @@ enum GenericEnum<T> {
 
 func testGenericEnum() {
     let intValue = GenericEnum.value(42)  // $ access=GenericEnum access=GenericEnum.value
-    let stringValue = GenericEnum<String>.novalue  // $ access=GenericEnum access=String $ MISSING: access=GenericEnum.novalue
+    let stringValue = GenericEnum<String>.novalue  // $ access=GenericEnum access=String access=GenericEnum.novalue
 }