public TCL.CompletionCode CmdProc(Interp interp, TclObject[] argv)
{
int flags;
if (argv.Length == 1)
{
flags = TCL.ALL_EVENTS | TCL.DONT_WAIT;
}
else if (argv.Length == 2)
{
TclIndex.Get(interp, argv[1], validOpts, "option", 0);
/*
* Since we just have one valid option, if the above call returns
* without an exception, we've got "idletasks" (or abreviations).
*/
flags = TCL.IDLE_EVENTS | TCL.DONT_WAIT;
}
else
{
throw new TclNumArgsException(interp, 1, argv, "?idletasks?");
}
while (interp.GetNotifier().doOneEvent(flags) != 0)
{
/* Empty loop body */
}
/*
* Must clear the interpreter's result because event handlers could
* have executed commands.
*/
interp.ResetResult();
return TCL.CompletionCode.RETURN;
}
public static void Main(string[] args)
{
// Array of command-line argument strings.
{
string fileName = null;
// Create the interpreter. This will also create the built-in
// Tcl commands.
Interp interp = new Interp();
// Make command-line arguments available in the Tcl variables "argc"
// and "argv". If the first argument doesn't start with a "-" then
// strip it off and use it as the name of a script file to process.
// We also set the argv0 and TCL.Tcl_interactive vars here.
if ((args.Length > 0) && !(args[0].StartsWith("-")))
{
fileName = args[0];
}
TclObject argv = TclList.NewInstance();
argv.Preserve();
try
{
int i = 0;
int argc = args.Length;
if ((System.Object)fileName == null)
{
interp.SetVar("argv0", "tcl.lang.Shell", TCL.VarFlag.GLOBAL_ONLY);
interp.SetVar("tcl_interactive", "1", TCL.VarFlag.GLOBAL_ONLY);
}
else
{
interp.SetVar("argv0", fileName, TCL.VarFlag.GLOBAL_ONLY);
interp.SetVar("tcl_interactive", "0", TCL.VarFlag.GLOBAL_ONLY);
i++;
argc--;
}
for (; i < args.Length; i++)
{
TclList.Append(interp, argv, TclString.NewInstance(args[i]));
}
interp.SetVar("argv", argv, TCL.VarFlag.GLOBAL_ONLY);
interp.SetVar("argc", System.Convert.ToString(argc), TCL.VarFlag.GLOBAL_ONLY);
}
catch (TclException e)
{
throw new TclRuntimeError("unexpected TclException: " + e.Message);
}
finally
{
argv.Release();
}
// Normally we would do application specific initialization here.
// However, that feature is not currently supported.
// If a script file was specified then just source that file
// and quit.
Console.WriteLine("C#-TCL version " + Assembly.GetExecutingAssembly().GetName().Version.ToString());
Console.WriteLine("==============================================================");
Console.WriteLine("");
if ((System.Object)fileName != null)
{
try
{
interp.evalFile(fileName);
}
catch (TclException e)
{
TCL.CompletionCode code = e.GetCompletionCode();
if (code == TCL.CompletionCode.RETURN)
{
code = interp.updateReturnInfo();
if (code != TCL.CompletionCode.OK)
{
System.Console.Error.WriteLine("command returned bad code: " + code);
if (Tcl.Lang.ConsoleThread.debug) System.Diagnostics.Debug.WriteLine("command returned bad code: " + code);
}
}
else if (code == TCL.CompletionCode.ERROR)
{
System.Console.Error.WriteLine(interp.GetResult().ToString());
if (Tcl.Lang.ConsoleThread.debug) System.Diagnostics.Debug.WriteLine(interp.GetResult().ToString());
System.Diagnostics.Debug.Assert(false, interp.GetResult().ToString());
}
else
{
System.Console.Error.WriteLine("command returned bad code: " + code);
if (Tcl.Lang.ConsoleThread.debug) System.Diagnostics.Debug.WriteLine("command returned bad code: " + code);
}
}
// Note that if the above interp.evalFile() returns the main
// thread will exit. This may bring down the VM and stop
// the execution of Tcl.
//
// If the script needs to handle events, it must call
// vwait or do something similar.
//
// Note that the script can create AWT widgets. This will
// start an AWT event handling thread and keep the VM up. However,
// the interpreter thread (the same as the main thread) would
// have exited and no Tcl scripts can be executed.
interp.Dispose();
System.Environment.Exit(0);
}
if ((System.Object)fileName == null)
{
// We are running in interactive mode. Start the ConsoleThread
// that loops, grabbing stdin and passing it to the interp.
ConsoleThread consoleThread = new ConsoleThread(interp);
consoleThread.IsBackground = true;
consoleThread.Start();
// Loop forever to handle user input events in the command line.
Notifier notifier = interp.GetNotifier();
while (true)
{
// process events until "exit" is called.
notifier.doOneEvent(TCL.ALL_EVENTS);
}
}
}
}