public ReplBackend(ReplProcessor replProcessor, JSession jSession)
{
this._replProc = replProcessor;
this._COMMANDS = new Dictionary <string, Action>()
{
{ "run ", this.CmdRun },
{ "abrt", this.CmdAbrt },
{ "exit", this.CmdExit },
{ "mems", this.CmdMems },
{ "sigs", this.CmdSigs },
{ "locs", this.CmdLocs },
{ "setl", this.CmdSetl },
{ "sett", this.CmdSett },
{ "inpl", this.CmdInpl },
{ "excf", this.CmdExcf },
{ "dbga", this.CmdDebugAttach }
};
this._jSession = jSession;
this._disposed = false;
this._conn = null;
this._stream = null;
this._sendLocker = new object();
this._inputLocker = new object();
this._inputEvent = new InputLock(this); // lock starts acquired (we use it like a manual reset event)
this._inputString = null;
this._exitRequested = false;
}
/// <summary>
/// loop on created thread which processes communicates with the REPL window
/// </summary>
private void ReplLoop()
{
try
{
byte[] inp = new byte[4];
int size = 0;
while (true)
{
if (this.CheckForExitReplLoop())
{
break;
}
/* we receive a series of 4 byte commands. Each command then has it's
* own format which we must parse before continuing to the next command. */
this.Flush();
this._stream.ReadTimeout = 10000; // 10 sec
try
{
size = this._stream.Read(inp, 0, 4);
}
catch (IOException ex)
{
SocketException se = null;
if (null != ex.InnerException && null != (se = ex.InnerException as SocketException) && SocketError.TimedOut == se.SocketErrorCode)
{
#if DEBUG
ReplProcessor.DebugWrite("Time out reading from server.");
#endif
continue;
}
throw;
}
this._stream.ReadTimeout = Timeout.Infinite;
if (size < 1)
{
break;
}
this.Flush();
Action cmd = null;
if (this._COMMANDS.TryGetValue(ReplProcessor.Cmd(inp), out cmd))
{
cmd();
}
}
}
catch (Exception ex)
{
ReplProcessor.DebugWrite("Error in ReplLoop");
ReplProcessor.DebugWrite(ex.ToString());
this.ExitProcess();
Thread.Sleep(2000); // try and exit gracefully, then interrupt main if necessary
Environment.Exit(1);
this.InterruptMain(); // will never happen
}
}
internal BasicReplBackend(ReplProcessor replProcessor, JSession jSession, string locale)
: base(replProcessor, jSession)
{
this._executeItemLocker = new object();
if (null != locale && string.Empty != locale.Trim())
{
this._jSession.Do(string.Format("18!:4 <'{0}'", locale));
}
this._executeItemLock = new ExecuteItemLock(this); // lock starts acquired (we use it like manual reset event)
}
private void Send(params string[] data)
{
if (null == data || 0 == data.Length)
{
return;
}
using (new SendLock(this))
{
foreach (var d in data)
{
ReplProcessor.DebugWrite(d + '\n');
this._stream.Write(ReplProcessor.Cmd(d));
}
}
}
static ReplBackend()
{
_MRES = ReplProcessor.Cmd("MRES");
_SRES = ReplProcessor.Cmd("SRES");
_LOCS = ReplProcessor.Cmd("LOCS");
_IMGD = ReplProcessor.Cmd("IMGD");
_PRPC = ReplProcessor.Cmd("PRPC");
_RDLN = ReplProcessor.Cmd("RDLN");
_STDO = ReplProcessor.Cmd("STDO");
_STDE = ReplProcessor.Cmd("STDE");
_DBGA = ReplProcessor.Cmd("DBGA");
_DETC = ReplProcessor.Cmd("DETC");
_DPNG = ReplProcessor.Cmd("DPNG");
_UNICODE_PREFIX = ReplProcessor.Cmd("U");
_ASCII_PREFIX = ReplProcessor.Cmd("A");
}
/// <summary>
/// gets the signatures for the given expression
/// </summary>
private void CmdSigs()
{
string expression = this.ReadString();
object sigs = null;
try
{
// TODO
sigs = this.GetSignatures();
}
catch (Exception ex)
{
this.Send("SERR");
ReplProcessor.DebugWrite("error in eval");
ReplProcessor.DebugWrite(ex.ToString());
return;
}
using (new SendLock(this))
{
this._stream.Write(ReplBackend._SRES);
// TODO
}
}
/// <summary>
/// gets the list of members available for the given expression
/// </summary>
private void CmdMems()
{
string expression = this.ReadString();
MemberTuple memberTuple;
try
{
memberTuple = this.GetMembers(expression);
}
catch (Exception ex)
{
this.Send("MERR");
ReplProcessor.DebugWrite("error in eval");
ReplProcessor.DebugWrite(ex.ToString());
return;
}
using (new SendLock(this))
{
this._stream.Write(ReplBackend._MRES);
this.WriteString(memberTuple.Name);
this.WriteMemberDict(memberTuple.InstMembers);
this.WriteMemberDict(memberTuple.TypeMembers);
}
}
public ReplBackend(ReplProcessor replProcessor, JSession jSession)
{
this._replProc = replProcessor;
this._COMMANDS = new Dictionary<string, Action>()
{
{ "run ", this.CmdRun },
{ "abrt", this.CmdAbrt },
{ "exit", this.CmdExit },
{ "mems", this.CmdMems },
{ "sigs", this.CmdSigs },
{ "locs", this.CmdLocs },
{ "setl", this.CmdSetl },
{ "sett", this.CmdSett },
{ "inpl", this.CmdInpl },
{ "excf", this.CmdExcf },
{ "dbga", this.CmdDebugAttach }
};
this._jSession = jSession;
this._disposed = false;
this._conn = null;
this._stream = null;
this._sendLocker = new object();
this._inputLocker = new object();
this._inputEvent = new InputLock(this); // lock starts acquired (we use it like a manual reset event)
this._inputString = null;
this._exitRequested = false;
}
internal BasicReplBackend(ReplProcessor replProcessor, JSession jSession, string locale)
: base(replProcessor, jSession)
{
this._executeItemLocker = new object();
if (null != locale && string.Empty != locale.Trim())
{
this._jSession.Do(string.Format("18!:4 <'{0}'", locale));
}
this._executeItemLock = new ExecuteItemLock(this); // lock starts acquired (we use it like manual reset event)
}
internal BasicReplBackend(ReplProcessor replProcessor, JSession jSession)
: this(replProcessor, jSession, null)
{
}
static int Main(string[] args)
{
_programName = JSession.ProgramName;
_options = new CmdLineOptions();
bool showHelp = false;
var optionSet = new OptionSet()
{
{ "p|port=", "{PORT} to connect to.", (ushort v) => _options.Port = v },
{ "s|server:", "Repl {SERVER} to connect to. Default is 127.0.0.1.", v => _options.Server = v },
{ "f|launch_file:", "{SCRIPT} file to run on startup.", v => _options.LaunchFile = v },
{ "m|mode:", "Interactive {MODE} to use. Defaults to Standard.", v => _options.Backend = v },
{ "a|enable-attach", "Enable attaching the debugger via )attach.\n", v => _options.EnableAttach = v != null },
{ "h|help", "Show this message and exit.", v => showHelp = v != null }
};
try
{
_options.JOptions = optionSet.Parse(args).ToArray();
if (showHelp)
{
ShowHelp(optionSet);
return(0);
}
if (_options.Port < 1)
{
throw new Exception(string.Format("Missing PORT for repl processor client session."));
}
}
catch (Exception ex)
{
System.Console.Error.WriteLine();
System.Console.Error.Write(string.Format("{0}: ", _programName));
System.Console.Error.WriteLine(ex.Message);
System.Console.Error.WriteLine(string.Format("Try '{0} --help' for more information.", _programName));
return(1);
}
try
{
using (_jSession = new JSession(_options.JOptions))
{
System.Console.CancelKeyPress += (sender, e) =>
{
e.Cancel = true;
_jSession.IncAdBreak();
};
_jSession.SetType(JSession.SMCON);
throw new NotImplementedException();
ReplProcessor.Run(_options, _jSession);
}
}
catch (Exception ex)
{
System.Console.Error.WriteLine();
System.Console.Error.Write(string.Format("{0}: ", _programName));
System.Console.Error.WriteLine(ex.ToString());
return(1);
}
return(0);
}
internal BasicReplBackend(ReplProcessor replProcessor, JSession jSession)
: this(replProcessor, jSession, null)
{
}