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Implementing Programming Languages Using C# 4.0

, 12 Jul 2012 MIT
An introduction to creating programming language tools using C# 4.0.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Diggins.Jigsaw
{
    class ArithmeticTests
    {
        public static void Test(string s)
        {
            try
            {
                Console.Write("Running test {0}, result = ", s);
                var result = ArithmeticEvaluator.Eval(s);
                Console.WriteLine(result);
            }
            catch (Exception e)
            {
                Console.WriteLine("Error occured " + e.Message);
            }
        }

        public static void Tests()
        {
            Test("12");
            Test("1 + 2");
            Test("(1 + 2) + 3");
            Test("1 + (2 * 3)");
            Test("(1 * 2) + 3");
            Test("(1 * 2) + (3 * 4)");
            Test("(1 + 2) * (3 + 4)");
            Test("((1 * 2) * 3) + 4");
            Test("1 + ((2 * 3) * 4)");
            Test("(1 + 2) * 3");
            Test("((10 - 9) - 8)");
            Test("(10 - 9) - 8");
            Test("10 - (9 - 8)");
            Test("((10 - 9) - 8) - 7");
            Test("-12");
            Test("--12");
            Test("---12");
            Test("-(12)");
            Test("(12)");
            Test("12 / 4");
            Test("12 % 4");
            Test("12 % 5");
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The MIT License

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About the Author

Christopher Diggins
Software Developer Autodesk
Canada Canada
This article was written by Christopher Diggins, a computer science nerd who currently works at Autodesk as an SDK specialist.

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