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Implementing Programming Languages Using C# 4.0

, 12 Jul 2012 MIT 110.3K 2.7K 242
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
    public class CatGrammar : SharedGrammar
        public static Rule Atom = SExpressionGrammar.Atom;
        public static Rule Symbol = SExpressionGrammar.Symbol;

        public static Rule Term = Node(Recursive(() => Define | Atom | Quotation) + WS);
        public static Rule Terms = Node(ZeroOrMore(Term));
        public static Rule Quotation = Node(CharToken('[') + Terms + CharToken(']'));
        public static Rule Define = Node(MatchString("def") + WS + Symbol + WS + Quotation);

        static CatGrammar() { InitGrammar(typeof(CatGrammar)); }

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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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