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Writing your first Domain Specific Language, Part 2 of 2

, 3 Sep 2008 CPOL
A guide to writing a compiler in .NET for beginners, using Irony.
FreightLanguageCompiler.zip
FreightLanguageCompiler
bin
Debug
FreightLanguageCompiler.dll
Irony.dll
Nodes
Properties
Irony.dll
ExampleSite
App_Data
Bin
FreightLanguageCompiler.dll
Irony.dll
FLSnippets
IronySnippets.snippet
using System.Text;
using Irony.Compiler;

namespace FreightLanguageCompiler.Nodes
{
	internal class BinaryOperatorNode : AstNode, IJavascriptGenerator
	{

		private Token Token
		{
			get
			{ // there is only one child, which is a binary operator
				return (Token)ChildNodes[0];
			}
		}
		
		public BinaryOperatorNode(AstNodeArgs args)
			: base(args)
		{
		}


		public void GenerateScript(StringBuilder builder)
		{
			// The binary operators for FL and Javascript are the same,
			// except for the equality operator.
			string op = Token.Text;
			if (op == "is")
			{
				builder.Append("==");
			}
			else
			{
				builder.Append(op);
			}
		}

	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Daniel Flower
Software Developer
China China
Daniel has a Bachelor of Science with First Class Honours from the University of Auckland, and has designed and developed software in companies large and small.

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