Homework 3

src/cd/ir/AstVisitor.java

@@ -16,17 +16,6 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 		return ast.accept(this, arg);
 	}
 	
-	/**
-	 * Overrides {@link ExprVisitor#visitChildren(Expr, Object)} and
-	 * delegates to the more general {@link #visitChildren(Ast, Object)}
-	 * with {@link Ast} parameter. This method is final to prevent
-	 * overriding only one of the two versions.
-	 */
-	@Override
-	public final R visitChildren(Expr ast, A arg) {
-		return visitChildren((Ast) ast, arg);
-	}
-	
 	/**
 	 * A handy function which visits the children of {@code ast},
 	 * providing "arg" to each of them.  It returns the result of
@@ -56,7 +45,6 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 	
 	/** 
 	 * The default action for expressions is to call this */
-	@Override
 	protected R dfltExpr(Expr ast, A arg) {
 		return dflt(ast, arg);
 	}