private void put(Channel channel, string s) // The String to print. { try { channel.Write(interp, s); channel.Flush(interp); } catch (System.IO.IOException ex) { System.Console.Error.WriteLine("IOException in Shell.put()"); SupportClass.WriteStackTrace(ex, System.Console.Error); } catch (TclException ex) { System.Console.Error.WriteLine("TclException in Shell.put()"); SupportClass.WriteStackTrace(ex, System.Console.Error); } }
public override void ProcessIdleEvent() { // During the execution of this method, elements may be removed from the errors list (because a TCL.CompletionCode.BREAK was returned by the bgerror // command, or because the interp was deleted). We remove this BgError instance from the list first so that this instance won't // be deleted twice. SupportClass.VectorRemoveElement(EnclosingInstance.Errors, this); // Restore important state variables to what they were at the time the error occurred. try { EnclosingInstance.Interp.SetVar("errorInfo", null, ErrorInfo, TCL.VarFlag.GLOBAL_ONLY); } // Ignore any TclException's, possibly caused by variable traces on the errorInfo variable. This is compatible with the behavior of the Tcl C API. catch (TclException) { } try { EnclosingInstance.Interp.SetVar("errorCode", null, ErrorCode, TCL.VarFlag.GLOBAL_ONLY); } // Ignore any TclException's, possibly caused by variable traces on the errorCode variable. This is compatible with the behavior of the Tcl C API. catch (TclException) { } // Make sure, that the interpreter will surive the invocation of the bgerror command. EnclosingInstance.Interp.preserve(); try { // Invoke the bgerror command. TclObject[] argv = new TclObject[2]; argv[0] = EnclosingInstance.BgerrorCmdObj; argv[1] = ErrorMsg; Parser.EvalObjv(EnclosingInstance.Interp, argv, 0, TCL.EVAL_GLOBAL); } catch (TclException e) { switch (e.GetCompletionCode()) { case TCL.CompletionCode.ERROR: try { Channel chan = TclIO.GetStdChannel(StdChannel.STDERR); var interp = EnclosingInstance.Interp; if (EnclosingInstance.Interp.GetResult().ToString().Equals("\"bgerror\" is an invalid command name or ambiguous abbreviation")) { chan.Write(interp, ErrorInfo); chan.Write(interp, "\n"); } else { chan.Write(interp, "bgerror failed to handle background error.\n"); chan.Write(interp, " Original error: "); chan.Write(interp, ErrorMsg); chan.Write(interp, "\n"); chan.Write(interp, " Error in bgerror: "); chan.Write(interp, EnclosingInstance.Interp.GetResult()); chan.Write(interp, "\n"); } chan.Flush(EnclosingInstance.Interp); } catch (TclException) { } // Ignore. catch (IOException) { } // Ignore, too. break; case TCL.CompletionCode.BREAK: for (int i = EnclosingInstance.Errors.Count - 1; i >= 0; i--) { BgError bgError = (BgError)EnclosingInstance.Errors[i]; EnclosingInstance.Errors.RemoveAt(i); bgError.Cancel(); bgError.ErrorMsg.Release(); bgError.ErrorMsg = null; bgError.ErrorInfo.Release(); bgError.ErrorInfo = null; bgError.ErrorCode.Release(); bgError.ErrorCode = null; } break; } } EnclosingInstance.Interp.release(); ErrorMsg.Release(); ErrorMsg = null; ErrorInfo.Release(); ErrorInfo = null; ErrorCode.Release(); ErrorCode = null; }