//
// Generated by JTB 1.3.2 DIT@UoA patched
//

package visitor;
import syntaxtree.*;
import java.util.*;

/**
 * All GJ visitors must implement this interface.
 */

public interface GJVisitor<R,A> {

   //
   // GJ Auto class visitors
   //

   public R visit(NodeList n, A argu);
   public R visit(NodeListOptional n, A argu);
   public R visit(NodeOptional n, A argu);
   public R visit(NodeSequence n, A argu);
   public R visit(NodeToken n, A argu);

   //
   // User-generated visitor methods below
   //

   /**
    * f0 -> AdditiveExpression()
    * f1 -> <EOF>
    */
   public R visit(Goal n, A argu);

   /**
    * f0 -> MultiplicativeExpression()
    * f1 -> AdditiveExpressionTail()
    */
   public R visit(AdditiveExpression n, A argu);

   /**
    * f0 -> ( AdditiveExpressionTerm() )*
    */
   public R visit(AdditiveExpressionTail n, A argu);

   /**
    * f0 -> PlusExpression()
    *       | MinusExpression()
    */
   public R visit(AdditiveExpressionTerm n, A argu);

   /**
    * f0 -> "+"
    * f1 -> MultiplicativeExpression()
    */
   public R visit(PlusExpression n, A argu);

   /**
    * f0 -> "-"
    * f1 -> MultiplicativeExpression()
    */
   public R visit(MinusExpression n, A argu);

   /**
    * f0 -> PrimaryExpression()
    * f1 -> MultiplicativeExpressionTail()
    */
   public R visit(MultiplicativeExpression n, A argu);

   /**
    * f0 -> ( MultiplicativeExpressionTerm() )*
    */
   public R visit(MultiplicativeExpressionTail n, A argu);

   /**
    * f0 -> MultExpression()
    *       | DivExpression()
    */
   public R visit(MultiplicativeExpressionTerm n, A argu);

   /**
    * f0 -> "*"
    * f1 -> PrimaryExpression()
    */
   public R visit(MultExpression n, A argu);

   /**
    * f0 -> "/"
    * f1 -> PrimaryExpression()
    */
   public R visit(DivExpression n, A argu);

   /**
    * f0 -> Constant()
    *       | BracketExpression()
    */
   public R visit(PrimaryExpression n, A argu);

   /**
    * f0 -> "("
    * f1 -> AdditiveExpression()
    * f2 -> ")"
    */
   public R visit(BracketExpression n, A argu);

   /**
    * f0 -> <NUMBER>
    */
   public R visit(Constant n, A argu);

}