Ejemplo n.º 1
0
        public TCL.CompletionCode CmdProc(Interp interp, TclObject[] argv)
        {
            bool debug;

            if (argv.Length == 2)
            {
                System.Diagnostics.Debug.WriteLine("getting value of \"" + argv[1].ToString() + "\"");

                interp.SetResult(interp.GetVar(argv[1], 0));
            }
            else if (argv.Length == 3)
            {
                System.Diagnostics.Debug.WriteLine("setting value of \"" + argv[1].ToString() + "\" to \"" + argv[2].ToString() + "\"");
                interp.SetResult(interp.SetVar(argv[1], argv[2], 0));
            }
            else
            {
                throw new TclNumArgsException(interp, 1, argv, "varName ?newValue?");
            }
            return TCL.CompletionCode.RETURN;
        }
Ejemplo n.º 2
0
        /// <summary> Called whenever the cmdProc wants to set an interp value.  
        /// This method <ol>
        /// <li> verifies that there exisits a varName from the argv array, 
        /// <li> that the variable either dosent exisit or is of type scalar
        /// <li> set the variable in interp if (1) and (2) are OK
        /// </ol>
        /// 
        /// </summary>
        /// <param name="interp">  - the Tcl interpreter
        /// </param>
        /// <param name="argv">    - the argument array
        /// </param>
        /// <param name="argIndex">- the current index into the argv array
        /// </param>
        /// <param name="tobj">    - the TclObject that the varName equals
        /// 
        /// </param>

        private static void testAndSetVar(Interp interp, TclObject[] argv, int argIndex, TclObject tobj)
        {
            if (argIndex < argv.Length)
            {
                try
                {

                    interp.SetVar(argv[argIndex].ToString(), tobj, 0);
                }
                catch (TclException e)
                {

                    throw new TclException(interp, "couldn't set variable \"" + argv[argIndex].ToString() + "\"");
                }
            }
            else
            {
                errorDiffVars(interp);
            }
        }
Ejemplo n.º 3
0
        /// <summary> 
        /// Tcl_LappendObjCmd -> LappendCmd.cmdProc
        /// 
        /// This procedure is invoked to process the "lappend" Tcl command.
        /// See the user documentation for details on what it does.
        /// </summary>

        public TCL.CompletionCode CmdProc(Interp interp, TclObject[] objv)
        {
            TclObject varValue, newValue = null;
            int i;//int numElems, i, j;
            bool createdNewObj, createVar;

            if (objv.Length < 2)
            {
                throw new TclNumArgsException(interp, 1, objv, "varName ?value value ...?");
            }
            if (objv.Length == 2)
            {
                try
                {
                    newValue = interp.GetVar(objv[1], 0);
                }
                catch (TclException e)
                {
                    // The variable doesn't exist yet. Just create it with an empty
                    // initial value.
                    varValue = TclList.NewInstance();

                    try
                    {
                        newValue = interp.SetVar(objv[1], varValue, 0);
                    }
                    finally
                    {
                        if (newValue == null)
                            varValue.Release(); // free unneeded object
                    }

                    interp.ResetResult();
                    return TCL.CompletionCode.RETURN;
                }
            }
            else
            {
                // We have arguments to append. We used to call Tcl_SetVar2 to
                // append each argument one at a time to ensure that traces were run
                // for each append step. We now append the arguments all at once
                // because it's faster. Note that a read trace and a write trace for
                // the variable will now each only be called once. Also, if the
                // variable's old value is unshared we modify it directly, otherwise
                // we create a new copy to modify: this is "copy on write".

                createdNewObj = false;
                createVar = true;

                try
                {
                    varValue = interp.GetVar(objv[1], 0);
                }
                catch (TclException e)
                {
                    // We couldn't read the old value: either the var doesn't yet
                    // exist or it's an array element. If it's new, we will try to
                    // create it with Tcl_ObjSetVar2 below.

                    // FIXME : not sure we even need this parse for anything!
                    // If we do not need to parse could we at least speed it up a bit

                    string varName;
                    int nameBytes;


                    varName = objv[1].ToString();
                    nameBytes = varName.Length; // Number of Unicode chars in string

                    for (i = 0; i < nameBytes; i++)
                    {
                        if (varName[i] == '(')
                        {
                            i = nameBytes - 1;
                            if (varName[i] == ')')
                            {
                                // last char is ')' => array ref
                                createVar = false;
                            }
                            break;
                        }
                    }
                    varValue = TclList.NewInstance();
                    createdNewObj = true;
                }

                // We only take this branch when the catch branch was not run
                if (createdNewObj == false && varValue.Shared)
                {
                    varValue = varValue.duplicate();
                    createdNewObj = true;
                }

                // Insert the new elements at the end of the list.

                for (i = 2; i < objv.Length; i++)
                    TclList.Append(interp, varValue, objv[i]);

                // No need to call varValue.invalidateStringRep() since it
                // is called during the TclList.append operation.

                // Now store the list object back into the variable. If there is an
                // error setting the new value, decrement its ref count if it
                // was new and we didn't create the variable.

                try
                {

                    newValue = interp.SetVar(objv[1].ToString(), varValue, 0);
                }
                catch (TclException e)
                {
                    if (createdNewObj && !createVar)
                    {
                        varValue.Release(); // free unneeded obj
                    }
                    throw;
                }
            }

            // Set the interpreter's object result to refer to the variable's value
            // object.

            interp.SetResult(newValue);
            return TCL.CompletionCode.RETURN;
        }
Ejemplo n.º 4
0
        private static void getAndStoreStatData(Interp interp, string fileName, string varName)
        {
            FileInfo fileObj = FileUtil.getNewFileObj(interp, fileName);

            bool tmpBool;
            if (File.Exists(fileObj.FullName))
                tmpBool = true;
            else
                tmpBool = Directory.Exists(fileObj.FullName);
            if (!tmpBool)
            {
                throw new TclPosixException(interp, TclPosixException.ENOENT, true, "could not read \"" + fileName + "\"");
            }

            try
            {
                int mtime = getMtime(interp, fileName, fileObj);
                TclObject mtimeObj = TclInteger.NewInstance(mtime);
                TclObject atimeObj = TclInteger.NewInstance(mtime);
                TclObject ctimeObj = TclInteger.NewInstance(mtime);
                interp.SetVar(varName, "atime", atimeObj, 0);
                interp.SetVar(varName, "ctime", ctimeObj, 0);
                interp.SetVar(varName, "mtime", mtimeObj, 0);
            }
            catch (System.Security.SecurityException e)
            {
                throw new TclException(interp, e.Message);
            }
            catch (TclException e)
            {
                throw new TclException(interp, "can't set \"" + varName + "(dev)\": variable isn't array");
            }

            try
            {
                TclObject sizeObj = TclInteger.NewInstance((int)SupportClass.FileLength(fileObj));
                interp.SetVar(varName, "size", sizeObj, 0);
            }
            catch (System.Exception e)
            {
                // Do nothing.
            }

            try
            {
                TclObject typeObj = TclString.NewInstance(getType(interp, fileName, fileObj));
                interp.SetVar(varName, "type", typeObj, 0);
            }
            catch (System.Exception e)
            {
            }

            try
            {
                TclObject uidObj = TclBoolean.newInstance(isOwner(interp, fileObj));
                interp.SetVar(varName, "uid", uidObj, 0);
            }
            catch (TclException e)
            {
                // Do nothing.
            }
        }
Ejemplo n.º 5
0
    internal static Interp create( Interp interp, TclObject path, bool safe )
    {
      Interp masterInterp;
      string pathString;

      TclObject[] objv = TclList.getElements( interp, path );

      if ( objv.Length < 2 )
      {
        masterInterp = interp;

        pathString = path.ToString();
      }
      else
      {
        TclObject obj = TclList.NewInstance();

        TclList.insert( interp, obj, 0, objv, 0, objv.Length - 2 );
        masterInterp = InterpCmd.getInterp( interp, obj );

        pathString = objv[objv.Length - 1].ToString();
      }
      if ( !safe )
      {
        safe = masterInterp._isSafe;
      }

      if ( masterInterp._slaveTable.ContainsKey( pathString ) )
      {
        throw new TclException( interp, "interpreter named \"" + pathString + "\" already exists, cannot create" );
      }

      Interp slaveInterp = new Interp();
      InterpSlaveCmd slave = new InterpSlaveCmd();

      slaveInterp._slave = slave;
      slaveInterp.SetAssocData( "InterpSlaveCmd", slave );

      slave.masterInterp = masterInterp;
      slave.path = pathString;
      slave.slaveInterp = slaveInterp;

      masterInterp.CreateCommand( pathString, slaveInterp._slave );
      slaveInterp._slave.interpCmd = NamespaceCmd.findCommand( masterInterp, pathString, null, 0 );

      SupportClass.PutElement( masterInterp._slaveTable, pathString, slaveInterp._slave );

      slaveInterp.SetVar( "tcl_interactive", "0", TCL.VarFlag.GLOBAL_ONLY );

      // Inherit the recursion limit.

      slaveInterp._maxNestingDepth = masterInterp._maxNestingDepth;

      if ( safe )
      {
        try
        {
          makeSafe( slaveInterp );
        }
        catch ( TclException e )
        {
          SupportClass.WriteStackTrace( e, Console.Error );
        }
      }
      else
      {
        //Tcl_Init(slaveInterp);
      }

      return slaveInterp;
    }
Ejemplo n.º 6
0
        public TCL.CompletionCode CmdProc(Interp interp, TclObject[] argv)
        {
            bool nocase = false;
            bool indices = false;

            try
            {
                int i = 1;

                while (argv[i].ToString().StartsWith("-"))
                {
                    int index = TclIndex.Get(interp, argv[i], validOpts, "switch", 0);
                    i++;
                    switch (index)
                    {

                        case OPT_INDICES:
                            {
                                indices = true;
                                break;
                            }

                        case OPT_NOCASE:
                            {
                                nocase = true;
                                break;
                            }

                        case OPT_LAST:
                            {
                                goto opts_brk;
                            }
                    }
                }

            opts_brk:
                ;


                TclObject exp = TclString.NewInstance(argv[i++].ToString().Replace("\\d", "[0-9]"));

                string inString = argv[i++].ToString();

                int matches = argv.Length - i;

                Regexp r = TclRegexp.compile(interp, exp, nocase);

                int[] args = new int[matches * 2];
                bool matched = r.match(inString, args);
                if (matched)
                {
                    for (int match = 0; i < argv.Length; i++)
                    {
                        TclObject obj;

                        int start = args[match++];
                        int end = args[match++];
                        if (indices)
                        {
                            if (end >= 0)
                            {
                                end--;
                            }
                            obj = TclList.NewInstance();
                            TclList.Append(interp, obj, TclInteger.NewInstance(start));
                            TclList.Append(interp, obj, TclInteger.NewInstance(end));
                        }
                        else
                        {
                            string range = (start >= 0) ? inString.Substring(start, (end) - (start)) : "";
                            obj = TclString.NewInstance(range);
                        }
                        try
                        {

                            interp.SetVar(argv[i].ToString(), obj, 0);
                        }
                        catch (TclException e)
                        {

                            throw new TclException(interp, "couldn't set variable \"" + argv[i] + "\"");
                        }
                    }
                }
                interp.SetResult(matched);
            }
            catch (System.IndexOutOfRangeException e)
            {
                throw new TclNumArgsException(interp, 1, argv, "?switches? exp string ?matchVar? ?subMatchVar subMatchVar ...?");
            }
            return TCL.CompletionCode.RETURN;
        }
Ejemplo n.º 7
0
  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);
        }
      }
    }
  }