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)
{
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;
}
