/IronPython_2_0/Src/IronPythonConsole/Console.cs

/* ****************************************************************************

 *

 * Copyright (c) Microsoft Corporation. 

 *

 * This source code is subject to terms and conditions of the Microsoft Public License. A 

 * copy of the license can be found in the License.html file at the root of this distribution. If 

 * you cannot locate the  Microsoft Public License, please send an email to 

 * ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

 * by the terms of the Microsoft Public License.

 *

 * You must not remove this notice, or any other, from this software.

 *

 *

 * ***************************************************************************/



using System; using Microsoft;

using System.Text;

using IronPython.Hosting;

using IronPython.Runtime;

using Microsoft.Scripting.Hosting;

using Microsoft.Scripting.Hosting.Shell;

using Microsoft.Scripting.Utils;

using System.Diagnostics;

using System.Reflection.Emit;



internal sealed class PythonConsoleHost : ConsoleHost {



    protected override Type Provider {

        get { return typeof(PythonContext); }

    }



    protected override CommandLine/*!*/ CreateCommandLine() {

        return new PythonCommandLine();

    }



    protected override OptionsParser/*!*/ CreateOptionsParser() {

        return new PythonOptionsParser();

    }



    protected override LanguageSetup/*!*/ CreateLanguageSetup() {

        return Python.CreateLanguageSetup(null);

    }



    protected override string/*!*/ GetHelp() {

        StringBuilder sb = new StringBuilder();



        sb.AppendLine(PythonCommandLine.GetLogoDisplay());

        PrintLanguageHelp(sb);

        sb.AppendLine();



        return sb.ToString();

    }



    protected override void ParseHostOptions(string/*!*/[]/*!*/ args) {

        // Python doesn't want any of the DLR base options.

        foreach (string s in args) {

            Options.IgnoredArgs.Add(s);

        }

    }



    [STAThread]

    public static int Main(string[] args) {

        // Work around issue w/ pydoc - piping to more doesn't work so

        // instead indicate that we're a dumb terminal

        if (Environment.GetEnvironmentVariable("TERM") == null) {

            Environment.SetEnvironmentVariable("TERM", "dumb");

        }



        if (typeof(DynamicMethod).GetConstructor(new Type[] { typeof(string), typeof(Type), typeof(Type[]), typeof(bool) }) == null) {

            Console.WriteLine("IronPython requires .NET 2.0 SP1 or later to run.");

            Environment.Exit(1);

        }



        return new PythonConsoleHost().Run(args);

    }

}