Program.cs

using System;
using System.Globalization;

using Antlr.Runtime;
using Antlr.Runtime.Tree;


namespace SimpleC
{
	public class Program
	{
		// "êóëüòóðîíåçàâèñèìûé" ôîðìàò äëÿ ÷èñåë (ñ ðàçäåëèòåëåì òî÷êîé)
		public static readonly NumberFormatInfo NFI = new NumberFormatInfo();


		public static void Main(string[] args)
		{
			try
			{
				// â çàâèñèìîñòè îò íàëè÷èÿ ïàðàìåòðîâ êîìàíäíîé ñòðîêè ðàçáèðàåì
				// ëèáî ôàéë ñ èìåíåì, ïåðåäàííûì ïåðâûì ïàðàìåòðîì, ëèáî ñòàíäàðòíûé ââîä
				ICharStream input = args.Length == 1 ? (ICharStream)new ANTLRFileStream(args[0])
													 : (ICharStream)new ANTLRReaderStream(Console.In);
				Grammar.SimpleCLexer lexer = new Grammar.SimpleCLexer(input);
				CommonTokenStream tokens = new CommonTokenStream(lexer);
				Grammar.SimpleCParser parser = new Grammar.SimpleCParser(tokens);
				ITree program = (ITree)parser.program().Tree;
//				AstNodePrinter.Print(program);
//				Console.WriteLine();
//				SimpleCIntepreter.Execute(program);

				CommonTreeNodeStream nodeStream = new CommonTreeNodeStream(program);

				Grammar.SimpleCTreeWalker treeWalker = new Grammar.SimpleCTreeWalker(nodeStream);
				Tree.RootNode rootNode = treeWalker.walk();

#if false
				if (rootNode == null)
					Console.WriteLine("NULL");
				else
					rootNode.Print();
#else
				Interpreter.Interpreter.Shared.Prepare(rootNode);
				Interpreter.Interpreter.Shared.Run();
#endif
				Console.ReadLine();
			}
			catch (Exception e)
			{
				Console.WriteLine("Error: {0}", e);
			}
		}
	}
}