Update VisitorTransformTests.kt

partiql · Jul 30, 2020 · 1eccc1c · 1eccc1c
1 parent 801074b
commit 1eccc1c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/pig-tests/test/org/partiql/pig/tests/VisitorTransformTests.kt b/pig-tests/test/org/partiql/pig/tests/VisitorTransformTests.kt
@@ -28,7 +28,11 @@ const val INDEX_META_KEY = "index"
 
 class VisitorTransformTests {
 
-    /** The outermost visitor simply establishes the root [ScopeTracker] and recurses into it. */
+    /** 
+    * This is a VisitorTransform implementation that transforms variable references from names to indexes.
+    * 
+    * The outermost visitor simply establishes the root [ScopeTracker] and recurses into it. 
+    */
     class VariableResolver : ToyLang.VisitorTransform() {
 
         override fun transformExprLet_body(node: ToyLang.Expr.Let): ToyLang.Expr =