using System;

using Irony.Parsing;

public class Program

{

    public static void Main()

    {

        var grammar = new JsonGrammar();

        var lang = new LanguageData(grammar);

        var parser = new Parser(lang);

        var ast = parser.Parse(@"{""test"": [1, ""two"", null ] }");

        Console.WriteLine("Hello World {0}", ast.ToXml());

    }

}

​

[Language("JSON", "1.0", "JSON data format")]

  public class JsonGrammar : Grammar {

    public JsonGrammar() {

      //Terminals

      var jstring = new StringLiteral("string", "\"");

      var jnumber = new NumberLiteral("number");

      var comma = ToTerm(","); 

      //Nonterminals

      var jobject = new NonTerminal("Object"); 

      var jobjectBr = new NonTerminal("ObjectBr");

      var jarray = new NonTerminal("Array"); 

      var jarrayBr = new NonTerminal("ArrayBr");

      var jvalue = new NonTerminal("Value");

      var jprop = new NonTerminal("Property"); 

​

      //Rules

      jvalue.Rule = jstring | jnumber | jobjectBr | jarrayBr | "true" | "false" | "null";

      jobjectBr.Rule = "{" + jobject + "}";

      jobject.Rule = MakeStarRule(jobject, comma, jprop);

      jprop.Rule = jstring + ":" + jvalue;

      jarrayBr.Rule = "[" + jarray + "]";

      jarray.Rule = MakeStarRule(jarray, comma, jvalue);

​

      //Set grammar root

      this.Root = jvalue;

      MarkPunctuation("{", "}", "[", "]", ":", ",");

      this.MarkTransient(jvalue, jarrayBr, jobjectBr);

​

    }//constructor

  }//class