public static void evalObjv( Interp interp, TclObject[] objv, int length, int flags )
{
Command cmd;
WrappedCommand wCmd = null;
TclObject[] newObjv;
int i;
CallFrame savedVarFrame; //Saves old copy of interp.varFrame
// in case TCL.EVAL_GLOBAL was set.
interp.resetResult();
if ( objv.Length == 0 )
{
return;
}
// If the interpreter was deleted, return an error.
if ( interp.deleted )
{
interp.setResult( "attempt to call eval in deleted interpreter" );
interp.setErrorCode( TclString.newInstance( "CORE IDELETE {attempt to call eval in deleted interpreter}" ) );
throw new TclException( TCL.CompletionCode.ERROR );
}
// Check depth of nested calls to eval: if this gets too large,
// it's probably because of an infinite loop somewhere.
if ( interp.nestLevel >= interp.maxNestingDepth )
{
throw new TclException( interp, "too many nested calls to eval (infinite loop?)" );
}
interp.nestLevel++;
try
{
// Find the procedure to execute this command. If there isn't one,
// then see if there is a command "unknown". If so, create a new
// word array with "unknown" as the first word and the original
// command words as arguments. Then call ourselves recursively
// to execute it.
cmd = interp.getCommand( objv[0].ToString() );
if ( cmd == null )
wCmd = interp.getObjCommand( objv[0].ToString() );
// See if we are running as a slave interpretor, and this is a windows command
if ( cmd == null && wCmd == null && interp.slave != null )
{
wCmd = interp.slave.masterInterp.getObjCommand( objv[0].ToString() );
}
if ( cmd == null && wCmd == null )
{
newObjv = new TclObject[objv.Length + 1];
for ( i = ( objv.Length - 1 ); i >= 0; i-- )
{
newObjv[i + 1] = objv[i];
}
newObjv[0] = TclString.newInstance( "unknown" );
newObjv[0].preserve();
cmd = interp.getCommand( "unknown" );
if ( cmd == null )
{
Debug.Assert( false, "invalid command name \"" + objv[0].ToString() + "\"" );
throw new TclException( interp, "invalid command name \"" + objv[0].ToString() + "\"" );
}
else
{
evalObjv( interp, newObjv, length, 0 );
}
newObjv[0].release();
return;
}
// Finally, invoke the Command's cmdProc.
interp.cmdCount++;
savedVarFrame = interp.varFrame;
if ( ( flags & TCL.EVAL_GLOBAL ) != 0 )
{
interp.varFrame = null;
}
int rc = 0;
if ( cmd != null )
{
if ( cmd.cmdProc( interp, objv ) == TCL.CompletionCode.EXIT )
throw new TclException( TCL.CompletionCode.EXIT );
}
else
{
rc = wCmd.objProc( wCmd.objClientData, interp, objv.Length, objv );
if ( rc != 0 )
{
if ( rc == TCL.TCL_RETURN )
throw new TclException( TCL.CompletionCode.RETURN );
throw new TclException( TCL.CompletionCode.ERROR );
}
}
interp.varFrame = savedVarFrame;
}
finally
{
interp.nestLevel--;
}
}
public TCL.CompletionCode cmdProc(Interp interp, TclObject[] objv)
{
if (objv.Length < 2)
{
throw new TclNumArgsException(interp, 1, objv, "cmd ?arg ...?");
}
int cmd = TclIndex.get(interp, objv[1], options, "option", 0);
switch (cmd)
{
case OPT_ALIAS: {
if (objv.Length >= 4)
{
Interp slaveInterp = getInterp(interp, objv[2]);
if (objv.Length == 4)
{
InterpAliasCmd.describe(interp, slaveInterp, objv[3]);
return TCL.CompletionCode.RETURN;
}
if ((objv.Length == 5) && ("".Equals(objv[4].ToString())))
{
InterpAliasCmd.delete(interp, slaveInterp, objv[3]);
return TCL.CompletionCode.RETURN;
}
if (objv.Length > 5)
{
Interp masterInterp = getInterp(interp, objv[4]);
if ("".Equals(objv[5].ToString()))
{
if (objv.Length == 6)
{
InterpAliasCmd.delete(interp, slaveInterp, objv[3]);
return TCL.CompletionCode.RETURN;
}
}
else
{
InterpAliasCmd.create(interp, slaveInterp, masterInterp, objv[3], objv[5], 6, objv);
return TCL.CompletionCode.RETURN;
}
}
}
throw new TclNumArgsException(interp, 2, objv, "slavePath slaveCmd ?masterPath masterCmd? ?args ..?");
}
case OPT_ALIASES: {
Interp slaveInterp = getInterp(interp, objv);
InterpAliasCmd.list(interp, slaveInterp);
break;
}
case OPT_CREATE: {
// Weird historical rules: "-safe" is accepted at the end, too.
bool safe = interp.isSafe;
TclObject slaveNameObj = null;
bool last = false;
for (int i = 2; i < objv.Length; i++)
{
if ((!last) && (objv[i].ToString()[0] == '-'))
{
int index = TclIndex.get(interp, objv[i], createOptions, "option", 0);
if (index == OPT_CREATE_SAFE)
{
safe = true;
continue;
}
i++;
last = true;
}
if (slaveNameObj != null)
{
throw new TclNumArgsException(interp, 2, objv, "?-safe? ?--? ?path?");
}
slaveNameObj = objv[i];
}
if (slaveNameObj == null)
{
// Create an anonymous interpreter -- we choose its name and
// the name of the command. We check that the command name
// that we use for the interpreter does not collide with an
// existing command in the master interpreter.
int i = 0;
while (interp.getCommand("interp" + i) != null)
{
i++;
}
slaveNameObj = TclString.newInstance("interp" + i);
}
InterpSlaveCmd.create(interp, slaveNameObj, safe);
interp.setResult(slaveNameObj);
break;
}
case OPT_DELETE: {
for (int i = 2; i < objv.Length; i++)
{
Interp slaveInterp = getInterp(interp, objv[i]);
if (slaveInterp == interp)
{
throw new TclException(interp, "cannot delete the current interpreter");
}
InterpSlaveCmd slave = slaveInterp.slave;
slave.masterInterp.deleteCommandFromToken(slave.interpCmd);
}
break;
}
case OPT_EVAL: {
if (objv.Length < 4)
{
throw new TclNumArgsException(interp, 2, objv, "path arg ?arg ...?");
}
Interp slaveInterp = getInterp(interp, objv[2]);
InterpSlaveCmd.eval(interp, slaveInterp, 3, objv);
break;
}
case OPT_EXISTS: {
bool exists = true;
try
{
getInterp(interp, objv);
}
catch (TclException e)
{
if (objv.Length > 3)
{
throw ;
}
exists = false;
}
interp.setResult(exists);
break;
}
case OPT_EXPOSE: {
if (objv.Length < 4 || objv.Length > 5)
{
throw new TclNumArgsException(interp, 2, objv, "path hiddenCmdName ?cmdName?");
}
Interp slaveInterp = getInterp(interp, objv[2]);
InterpSlaveCmd.expose(interp, slaveInterp, 3, objv);
break;
}
case OPT_HIDE: {
if (objv.Length < 4 || objv.Length > 5)
{
throw new TclNumArgsException(interp, 2, objv, "path cmdName ?hiddenCmdName?");
}
Interp slaveInterp = getInterp(interp, objv[2]);
InterpSlaveCmd.hide(interp, slaveInterp, 3, objv);
break;
}
case OPT_HIDDEN: {
Interp slaveInterp = getInterp(interp, objv);
InterpSlaveCmd.hidden(interp, slaveInterp);
break;
}
case OPT_ISSAFE: {
Interp slaveInterp = getInterp(interp, objv);
interp.setResult(slaveInterp.isSafe);
break;
}
case OPT_INVOKEHIDDEN: {
bool global = false;
int i;
for (i = 3; i < objv.Length; i++)
{
if (objv[i].ToString()[0] != '-')
{
break;
}
int index = TclIndex.get(interp, objv[i], hiddenOptions, "option", 0);
if (index == OPT_HIDDEN_GLOBAL)
{
global = true;
}
else
{
i++;
break;
}
}
if (objv.Length - i < 1)
{
throw new TclNumArgsException(interp, 2, objv, "path ?-global? ?--? cmd ?arg ..?");
}
Interp slaveInterp = getInterp(interp, objv[2]);
InterpSlaveCmd.invokeHidden(interp, slaveInterp, global, i, objv);
break;
}
case OPT_MARKTRUSTED: {
if (objv.Length != 3)
{
throw new TclNumArgsException(interp, 2, objv, "path");
}
Interp slaveInterp = getInterp(interp, objv[2]);
InterpSlaveCmd.markTrusted(interp, slaveInterp);
break;
}
case OPT_SLAVES: {
Interp slaveInterp = getInterp(interp, objv);
TclObject result = TclList.newInstance();
interp.setResult(result);
IEnumerator keys = slaveInterp.slaveTable.Keys.GetEnumerator();
while (keys.MoveNext())
{
string inString = (string) keys.Current;
TclList.append(interp, result, TclString.newInstance(inString));
}
break;
}
case OPT_SHARE: {
if (objv.Length != 5)
{
throw new TclNumArgsException(interp, 2, objv, "srcPath channelId destPath");
}
Interp masterInterp = getInterp(interp, objv[2]);
Channel chan = TclIO.getChannel(masterInterp, objv[3].ToString());
if (chan == null)
{
throw new TclException(interp, "can not find channel named \"" + objv[3].ToString() + "\"");
}
Interp slaveInterp = getInterp(interp, objv[4]);
TclIO.registerChannel(slaveInterp, chan);
break;
}
case OPT_TARGET: {
if (objv.Length != 4)
{
throw new TclNumArgsException(interp, 2, objv, "path alias");
}
Interp slaveInterp = getInterp(interp, objv[2]);
string aliasName = objv[3].ToString();
Interp targetInterp = InterpAliasCmd.getTargetInterp(slaveInterp, aliasName);
if (targetInterp == null)
{
throw new TclException(interp, "alias \"" + aliasName + "\" in path \"" + objv[2].ToString() + "\" not found");
}
if (!getInterpPath(interp, targetInterp))
{
throw new TclException(interp, "target interpreter for alias \"" + aliasName + "\" in path \"" + objv[2].ToString() + "\" is not my descendant");
}
break;
}
case OPT_TRANSFER: {
if (objv.Length != 5)
{
throw new TclNumArgsException(interp, 2, objv, "srcPath channelId destPath");
}
Interp masterInterp = getInterp(interp, objv[2]);
Channel chan = TclIO.getChannel(masterInterp, objv[3].ToString());
if (chan == null)
{
throw new TclException(interp, "can not find channel named \"" + objv[3].ToString() + "\"");
}
Interp slaveInterp = getInterp(interp, objv[4]);
TclIO.registerChannel(slaveInterp, chan);
TclIO.unregisterChannel(masterInterp, chan);
break;
}
}
return TCL.CompletionCode.RETURN;
}
