using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using PascalABCCompiler; using PascalABCCompiler.SyntaxTree; namespace PascalABCCompiler.SyntaxTree { public class BaseEnterExitVisitor: WalkingVisitorNew { public BaseEnterExitVisitor() { OnEnter = Enter; OnLeave = Exit; } public virtual void Enter(syntax_tree_node st) { } public virtual void Exit(syntax_tree_node st) { } } }