using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Irony.Interpreter.Ast;

namespace Irony.Interpreter {
  public delegate object SpecialForm(ScriptThread thread, AstNode[] childNodes);

  public static class SpecialFormsLibrary {
    public static object Iif(ScriptThread thread, AstNode[] childNodes) {
      var testValue = childNodes[0].Evaluate(thread);
      object result = thread.Runtime.IsTrue(testValue) ? childNodes[1].Evaluate(thread) : childNodes[2].Evaluate(thread);
      return result;

    }


    public static object kint = null;
    public static object loop(ScriptThread thread, AstNode[] childNodes)
    {
        object result = null;
        string[] words = childNodes[0].ToString().Split(' ');
        var iterations = Convert.ToInt32(words[1]);

        for (int i = 0; i < iterations; i++)
        {
            result = childNodes[1].Evaluate(thread);
        }

        return result;

    }

  }//class
}