Click here to Skip to main content
Click here to Skip to main content
Add your own
alternative version

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;

using System.Reflection.Emit;

namespace Diggins.Jigsaw
{
    public class ILTests
    {
        public static void Test(string s)
        {
            var dm = ILCompiler.Eval(s);
            var r = dm.Invoke(null, new object[] { });
            Console.WriteLine(r);
            //OpCodes.Du

        }      

        public static void Tests()
        {
            Test("Int32 f() { ldc_i4_1; ret; }");
            Test("Int32 f() { ldc_i4_2; ldc_i4_3; add; ret; }");
            Test("Int32 f() { ldc_i4 Int32 42; ret; }");
            Test("Int32 f() { ldc_i4 Int32 42; ldc_i4_1; sub; ret; }");
            Test("Int32 f() { var Int32 x; ldc_i4_1; stloc var x; ldloc var x; ret; }");
            Test(
@"Int32 sum10() { 
    var Int32 x; 
    ldc_i4 Int32 10; 
    stloc var x; 
    var Int32 sum;
    ldc_i4 Int32 0;
    stloc var sum;
begin:
    ldloc var x;
    brfalse label end;
    ldloc var x;
    ldloc var sum;
    add;
    stloc var sum;
    ldloc var x;
    ldc_i4_1;
    sub;
    stloc var x;
end:
    ldloc var sum;
    ret;
}");
        }
    }
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

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

Share

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.
Follow on   Twitter   Google+   LinkedIn

| Advertise | Privacy | Terms of Use | Mobile
Web03 | 2.8.141223.1 | Last Updated 12 Jul 2012
Article Copyright 2011 by Christopher Diggins
Everything else Copyright © CodeProject, 1999-2014
Layout: fixed | fluid