Forth

using System;
using System.Collections.Generic;
namespace ForthSharp
{
    public class Forth
    {
        List<string> inputed = new List<string>();
        Dictionary<string,Func<bool>> runDict = new Dictionary<string, Func<bool>>();
        Stack<int> data = new Stack<int>();
        public Forth ()
        {
        }
        private bool runAdd ()
        {
            int a = data.Pop();
            int b = data.Pop();
            data.Push(a+b);
            return true;
        }
        private bool runDot ()
        {
            int a = data.Pop();
            Console.Write(a);
            return true;
        }
        public void init ()
        {
            runDict.Add("+",runAdd);
            runDict.Add(".",runDot);
        }
        public void run ()
        {
            while (true) {
                string word = GetWord().ToLower();
                int wordVal = 0;
                if (word == "bye") //user wants to exit
                {
                    break;
                } else {
                    if ( runDict.ContainsKey(word)) //word is in the runtime dictonary
                    {
                        Func<bool> t = runDict[word];
                        t.Invoke();
                    } else if (int.TryParse(word, out wordVal)){ //word was an interger push it onto stack
                        data.Push(wordVal);

                    } else {
                    }
                }
            }
        }
        private string GetWord (string prompt = "\n> ")
        {
            if (inputed.Count == 0) {
                Console.Write(prompt);
                string input = Console.ReadLine();
                string[] words = input.Split(' ');
                foreach (string a in words)
                {
                    inputed.Add(a);
                }
                //return first word
                if (inputed.Count>0)
                {
                    string b = inputed[0];
                    inputed.Remove(b);
                    return b;
                }
            } else { //words are in inputed
                string b = inputed[0];
                inputed.Remove(b);
                return b;
            }
            return "";
        }
    }
}