public TCL.CompletionCode cmdProc(Interp interp, TclObject[] argv) { if (argv.Length != 2) { throw new TclNumArgsException(interp, 1, argv, "name"); } VwaitTrace trace = new VwaitTrace(); Var.traceVar(interp, argv[1], TCL.VarFlag.GLOBAL_ONLY | TCL.VarFlag.TRACE_WRITES | TCL.VarFlag.TRACE_UNSETS, trace); int foundEvent = 1; while (!trace.done && (foundEvent != 0)) { foundEvent = interp.getNotifier().doOneEvent(TCL.ALL_EVENTS); } Var.untraceVar(interp, argv[1], TCL.VarFlag.GLOBAL_ONLY | TCL.VarFlag.TRACE_WRITES | TCL.VarFlag.TRACE_UNSETS, trace); // Clear out the interpreter's result, since it may have been set // by event handlers. interp.resetResult(); if (foundEvent == 0) { throw new TclException(interp, "can't wait for variable \"" + argv[1] + "\": would wait forever"); } return TCL.CompletionCode.RETURN; }
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 TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv ) { int i; Notifier notifier = (Notifier)interp.getNotifier(); Object info; if ( assocData == null ) { /* * Create the "after" information associated for this * interpreter, if it doesn't already exist. */ assocData = (AfterAssocData)interp.getAssocData( "tclAfter" ); if ( assocData == null ) { assocData = new AfterAssocData( this ); interp.setAssocData( "tclAfter", assocData ); } } if ( argv.Length < 2 ) { throw new TclNumArgsException( interp, 1, argv, "option ?arg arg ...?" ); } /* * First lets see if the command was passed a number as the first argument. */ bool isNumber = false; int ms = 0; if ( argv[1].InternalRep is TclInteger ) { ms = TclInteger.get( interp, argv[1] ); isNumber = true; } else { string s = argv[1].ToString(); if ( ( s.Length > 0 ) && ( System.Char.IsDigit( s[0] ) ) ) { ms = TclInteger.get( interp, argv[1] ); isNumber = true; } } if ( isNumber ) { if ( ms < 0 ) { ms = 0; } if ( argv.Length == 2 ) { /* * Sleep for at least the given milliseconds and return. */ long endTime = System.DateTime.Now.Ticks / 10000 + ms; while ( true ) { try { System.Threading.Thread.Sleep( ms ); return TCL.CompletionCode.RETURN; } catch ( System.Threading.ThreadInterruptedException e ) { /* * We got interrupted. Sleep again if we havn't slept * long enough yet. */ long sysTime = System.DateTime.Now.Ticks / 10000; if ( sysTime >= endTime ) { return TCL.CompletionCode.RETURN; } ms = (int)( endTime - sysTime ); continue; } } } TclObject cmd = getCmdObject( argv ); cmd.preserve(); assocData.lastAfterId++; TimerInfo timerInfo = new TimerInfo( this, notifier, ms ); timerInfo.interp = interp; timerInfo.command = cmd; timerInfo.id = assocData.lastAfterId; assocData.handlers.Add( timerInfo ); interp.setResult( "after#" + timerInfo.id ); return TCL.CompletionCode.RETURN; } /* * If it's not a number it must be a subcommand. */ int index; try { index = TclIndex.get( interp, argv[1], validOpts, "option", 0 ); } catch ( TclException e ) { throw new TclException( interp, "bad argument \"" + argv[1] + "\": must be cancel, idle, info, or a number" ); } switch ( index ) { case OPT_CANCEL: if ( argv.Length < 3 ) { throw new TclNumArgsException( interp, 2, argv, "id|command" ); } TclObject arg = getCmdObject( argv ); arg.preserve(); /* * Search the timer/idle handler by id or by command. */ info = null; for ( i = 0; i < assocData.handlers.Count; i++ ) { Object obj = assocData.handlers[i]; if ( obj is TimerInfo ) { TclObject cmd = ( (TimerInfo)obj ).command; if ( ( cmd == arg ) || cmd.ToString().Equals( arg.ToString() ) ) { info = obj; break; } } else { TclObject cmd = ( (IdleInfo)obj ).command; if ( ( cmd == arg ) || cmd.ToString().Equals( arg.ToString() ) ) { info = obj; break; } } } if ( info == null ) { info = getAfterEvent( arg.ToString() ); } arg.release(); /* * Cancel the handler. */ if ( info != null ) { if ( info is TimerInfo ) { ( (TimerInfo)info ).cancel(); ( (TimerInfo)info ).command.release(); } else { ( (IdleInfo)info ).cancel(); ( (IdleInfo)info ).command.release(); } SupportClass.VectorRemoveElement( assocData.handlers, info ); } break; case OPT_IDLE: if ( argv.Length < 3 ) { throw new TclNumArgsException( interp, 2, argv, "script script ..." ); } TclObject cmd2 = getCmdObject( argv ); cmd2.preserve(); assocData.lastAfterId++; IdleInfo idleInfo = new IdleInfo( this, notifier ); idleInfo.interp = interp; idleInfo.command = cmd2; idleInfo.id = assocData.lastAfterId; assocData.handlers.Add( idleInfo ); interp.setResult( "after#" + idleInfo.id ); break; case OPT_INFO: if ( argv.Length == 2 ) { /* * No id is given. Return a list of current after id's. */ TclObject list = TclList.newInstance(); for ( i = 0; i < assocData.handlers.Count; i++ ) { int id; Object obj = assocData.handlers[i]; if ( obj is TimerInfo ) { id = ( (TimerInfo)obj ).id; } else { id = ( (IdleInfo)obj ).id; } TclList.append( interp, list, TclString.newInstance( "after#" + id ) ); } interp.resetResult(); interp.setResult( list ); return TCL.CompletionCode.RETURN; } if ( argv.Length != 3 ) { throw new TclNumArgsException( interp, 2, argv, "?id?" ); } /* * Return command and type of the given after id. */ info = getAfterEvent( argv[2].ToString() ); if ( info == null ) { throw new TclException( interp, "event \"" + argv[2] + "\" doesn't exist" ); } TclObject list2 = TclList.newInstance(); TclList.append( interp, list2, ( ( info is TimerInfo ) ? ( (TimerInfo)info ).command : ( (IdleInfo)info ).command ) ); TclList.append( interp, list2, TclString.newInstance( ( info is TimerInfo ) ? "timer" : "idle" ) ); interp.resetResult(); interp.setResult( list2 ); break; } return TCL.CompletionCode.RETURN; }
/* ** 2009 July 17 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" test harness ** which runs TCL commands for testing the C#-SQLite port. ** ** $Header$ */ 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); } } } }