Add SymTableTopDown, changes to SymbolTable to make it possible

Delete SymTableVis

1 files changed, 3 insertions, 3 deletions

diff --git a/Typecheck.java b/Typecheck.java
index 070b71e..cf86389 100644
--- a/Typecheck.java
+++ b/Typecheck.java
@@ -21,9 +21,9 @@ public class Typecheck {
 
             // Build the symbol table. Top-down visitor, inherits from
             // GJDepthFirst<R,A>. R=Void, A=Integer.
-            SymbolTable st = new SymbolTable();
-            root.accept(new SymTableFirst<Void>(), st);
-            // root.accept(new SymTableSecond(), st);
+            SymbolTable symt = new SymbolTable();
+            root.accept(new SymTableBottomUp<Void>(), symt);
+            root.accept(new SymTableTopDown<Void>(), symt);
             PrintFilter.print("===================================================", true);
 
             // TypeCheckSimp ts = new TypeCheckSimp();