internal RoomieCommandInterpreter(RoomieThread parentThread, HierarchicalVariableScope parentScope)
{
ParentThread = parentThread;
Scope = parentScope.CreateLowerScope();
CommandQueue = new ScriptCommandList();
IsBusy = false;
}
internal RoomieCommandInterpreter(RoomieThread parentThread, HierarchicalVariableScope parentScope)
{
ParentThread = parentThread;
Scope = parentScope.CreateLowerScope();
CommandQueue = new ScriptCommandList();
IsBusy = false;
}
private bool ExecuteCommand(IScriptCommand languageCommand)
{
//TODO: move this check's logic into IScriptCommand
if (languageCommand.FullName.Equals("RoomieScript"))
{
//TODO: just make a "RoomieScript" command?
CommandQueue.AddBeginning(languageCommand.InnerCommands);
return(true);
}
RoomieCommand command;
try
{
command = ChooseCommand(languageCommand.FullName);
}
catch (CommandNotFoundException e)
{
WriteEvent(e.Message);
CommandQueue.Clear();
return(false);
}
// create a lower scope and populate it with the command arguments
var commandScope = Scope.CreateLowerScope();
foreach (var parameter in languageCommand.Parameters)
{
commandScope.Local.DeclareVariable(parameter.Name, parameter.Value);
}
try
{
var context = new RoomieCommandContext
(
interpreter: this,
scope: commandScope,
originalCommand: languageCommand
);
command.Execute(context);
}
catch (RoomieRuntimeException e)
{
WriteEvent(e.Message);
CommandQueue.Clear();
return(false);
}
catch (NotImplementedException)
{
WriteEvent("Command \"" + command.FullName + "\" not implemented.");
CommandQueue.Clear();
return(false);
}
catch (ThreadAbortException e4)
{
WriteEvent("Thread shut down.");
CommandQueue.Clear();
return(false);
}
catch (Exception e2)
{
WriteEvent("REALLY unexpected error!");
WriteEvent(e2.ToString());
CommandQueue.Clear();
return(false);
}
return(true);
}
