Production.cs :  » Script » IronRuby » gpcc » C# / CSharp Open Source

// Copyright (c) Microsoft Corporation. All rights reserved.


using System;
using System.Text;
using System.Collections.Generic;
using System.Diagnostics;


namespace gpcc{
  public class Production
  {
    public int num;
    public readonly NonTerminal/*!*/ lhs;
        public readonly List<Symbol>/*!*/ rhs = new List<Symbol>();
    public SemanticAction semanticAction;
    public Precedence prec = null;

    public Production(NonTerminal/*!*/ lhs)
    {
            Debug.Assert(lhs != null);
      this.lhs = lhs;
      lhs.productions.Add(this);
    }


    public override string ToString()
    {
      StringBuilder builder = new StringBuilder();

      builder.AppendFormat("{0} -> ", lhs);
      foreach (Symbol s in rhs)
        builder.AppendFormat("{0} ", s);

      return builder.ToString();
    }
  }
}