static int
InterpreterObjCmd(
ClientData clientData, /* */
Tcl_Interp *interp, /* Current interpreter */
int objc, /* Number of arguments */
Tcl_Obj *const objv[]) /* Argument objects */
{
int index, result = TCL_OK;
static const char *const options[] = {"eval", "record", NULL};
enum option {OTHER_EVAL, OTHER_RECORD};
ConsoleInfo *info = clientData;
Tcl_Interp *otherInterp = info->interp;
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option arg");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0, &index)
!= TCL_OK) {
return TCL_ERROR;
}
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "script");
return TCL_ERROR;
}
if ((otherInterp == NULL) || Tcl_InterpDeleted(otherInterp)) {
Tcl_AppendResult(interp, "no active master interp", NULL);
return TCL_ERROR;
}
Tcl_Preserve(otherInterp);
switch ((enum option) index) {
case OTHER_EVAL:
result = Tcl_GlobalEvalObj(otherInterp, objv[2]);
/*
* TODO: Should exceptions be filtered here?
*/
Tcl_SetReturnOptions(interp,
Tcl_GetReturnOptions(otherInterp, result));
Tcl_SetObjResult(interp, Tcl_GetObjResult(otherInterp));
break;
case OTHER_RECORD:
Tcl_RecordAndEvalObj(otherInterp, objv[2], TCL_EVAL_GLOBAL);
/*
* By not setting result, we discard any exceptions or errors here and
* always return TCL_OK. All the caller wants is the interp result to
* display, whether that's result or error message.
*/
Tcl_SetObjResult(interp, Tcl_GetObjResult(otherInterp));
break;
}
Tcl_Release(otherInterp);
return result;
}
int
Tk_CreateConsoleWindow(
Tcl_Interp *interp) /* Interpreter to use for prompting. */
{
Tcl_Channel chan;
ConsoleInfo *info;
Tk_Window mainWindow;
Tcl_Command token;
int result = TCL_OK;
int haveConsoleChannel = 1;
/* Init an interp with Tcl and Tk */
Tcl_Interp *consoleInterp = Tcl_CreateInterp();
if (Tcl_Init(consoleInterp) != TCL_OK) {
goto error;
}
if (Tk_Init(consoleInterp) != TCL_OK) {
goto error;
}
/*
* Fetch the instance data from whatever std channel is a
* console channel. If none, create fresh instance data.
*/
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDIN))
== &consoleChannelType) {
} else if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDOUT))
== &consoleChannelType) {
} else if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDERR))
== &consoleChannelType) {
} else {
haveConsoleChannel = 0;
}
if (haveConsoleChannel) {
ChannelData *data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
info = data->info;
if (info->consoleInterp) {
/* New ConsoleInfo for a new console window */
info = (ConsoleInfo *) ckalloc(sizeof(ConsoleInfo));
info->refCount = 0;
/* Update any console channels to make use of the new console */
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDIN))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDOUT))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDERR))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
}
} else {
info = (ConsoleInfo *) ckalloc(sizeof(ConsoleInfo));
info->refCount = 0;
}
info->consoleInterp = consoleInterp;
info->interp = interp;
Tcl_CallWhenDeleted(consoleInterp, InterpDeleteProc, info);
info->refCount++;
Tcl_CreateThreadExitHandler(DeleteConsoleInterp, consoleInterp);
/*
* Add console commands to the interp
*/
token = Tcl_CreateObjCommand(interp, "console", ConsoleObjCmd, info,
ConsoleDeleteProc);
info->refCount++;
/*
* We don't have to count the ref held by the [consoleinterp] command
* in the consoleInterp. The ref held by the consoleInterp delete
* handler takes care of us.
*/
Tcl_CreateObjCommand(consoleInterp, "consoleinterp", InterpreterObjCmd,
info, NULL);
mainWindow = Tk_MainWindow(interp);
if (mainWindow) {
Tk_CreateEventHandler(mainWindow, StructureNotifyMask,
ConsoleEventProc, info);
info->refCount++;
}
Tcl_Preserve(consoleInterp);
result = Tcl_GlobalEval(consoleInterp, "source $tk_library/console.tcl");
if (result == TCL_ERROR) {
Tcl_SetReturnOptions(interp,
Tcl_GetReturnOptions(consoleInterp, result));
Tcl_SetObjResult(interp, Tcl_GetObjResult(consoleInterp));
}
Tcl_Release(consoleInterp);
if (result == TCL_ERROR) {
Tcl_DeleteCommandFromToken(interp, token);
mainWindow = Tk_MainWindow(interp);
if (mainWindow) {
Tk_DeleteEventHandler(mainWindow, StructureNotifyMask,
ConsoleEventProc, info);
if (--info->refCount <= 0) {
ckfree((char *) info);
}
}
goto error;
}
return TCL_OK;
error:
Tcl_AddErrorInfo(interp, "\n (creating console window)");
if (!Tcl_InterpDeleted(consoleInterp)) {
Tcl_DeleteInterp(consoleInterp);
}
return TCL_ERROR;
}
static int
ConsoleObjCmd(
ClientData clientData, /* Access to the console interp */
Tcl_Interp *interp, /* Current interpreter */
int objc, /* Number of arguments */
Tcl_Obj *const objv[]) /* Argument objects */
{
int index, result;
static const char *const options[] = {"eval", "hide", "show", "title", NULL};
enum option {CON_EVAL, CON_HIDE, CON_SHOW, CON_TITLE};
Tcl_Obj *cmd = NULL;
ConsoleInfo *info = (ConsoleInfo *) clientData;
Tcl_Interp *consoleInterp = info->consoleInterp;
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0, &index)
!= TCL_OK) {
return TCL_ERROR;
}
switch ((enum option) index) {
case CON_EVAL:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "script");
return TCL_ERROR;
}
cmd = objv[2];
break;
case CON_HIDE:
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
cmd = Tcl_NewStringObj("wm withdraw .", -1);
break;
case CON_SHOW:
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
cmd = Tcl_NewStringObj("wm deiconify .", -1);
break;
case CON_TITLE:
if (objc > 3) {
Tcl_WrongNumArgs(interp, 2, objv, "?title?");
return TCL_ERROR;
}
cmd = Tcl_NewStringObj("wm title .", -1);
if (objc == 3) {
Tcl_ListObjAppendElement(NULL, cmd, objv[2]);
}
break;
}
Tcl_IncrRefCount(cmd);
if (consoleInterp && !Tcl_InterpDeleted(consoleInterp)) {
Tcl_Preserve(consoleInterp);
result = Tcl_GlobalEvalObj(consoleInterp, cmd);
Tcl_SetReturnOptions(interp,
Tcl_GetReturnOptions(consoleInterp, result));
Tcl_SetObjResult(interp, Tcl_GetObjResult(consoleInterp));
Tcl_Release(consoleInterp);
} else {
Tcl_AppendResult(interp, "no active console interp", NULL);
result = TCL_ERROR;
}
Tcl_DecrRefCount(cmd);
return result;
}
static int
PrefixMatchObjCmd(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
int flags = 0, result, index;
int dummyLength, i, errorLength;
Tcl_Obj *errorPtr = NULL;
const char *message = "option";
Tcl_Obj *tablePtr, *objPtr, *resultPtr;
static const char *const matchOptions[] = {
"-error", "-exact", "-message", NULL
};
enum matchOptions {
PRFMATCH_ERROR, PRFMATCH_EXACT, PRFMATCH_MESSAGE
};
if (objc < 3) {
Tcl_WrongNumArgs(interp, 1, objv, "?options? table string");
return TCL_ERROR;
}
for (i = 1; i < (objc - 2); i++) {
if (Tcl_GetIndexFromObj(interp, objv[i], matchOptions, "option", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum matchOptions) index) {
case PRFMATCH_EXACT:
flags |= TCL_EXACT;
break;
case PRFMATCH_MESSAGE:
if (i > objc-4) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"missing value for -message", -1));
Tcl_SetErrorCode(interp, "TCL", "OPERATION", "NOARG", NULL);
return TCL_ERROR;
}
i++;
message = Tcl_GetString(objv[i]);
break;
case PRFMATCH_ERROR:
if (i > objc-4) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"missing value for -error", -1));
Tcl_SetErrorCode(interp, "TCL", "OPERATION", "NOARG", NULL);
return TCL_ERROR;
}
i++;
result = Tcl_ListObjLength(interp, objv[i], &errorLength);
if (result != TCL_OK) {
return TCL_ERROR;
}
if ((errorLength % 2) != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"error options must have an even number of elements",
-1));
Tcl_SetErrorCode(interp, "TCL", "VALUE", "DICTIONARY", NULL);
return TCL_ERROR;
}
errorPtr = objv[i];
break;
}
}
tablePtr = objv[objc - 2];
objPtr = objv[objc - 1];
/*
* Check that table is a valid list first, since we want to handle that
* error case regardless of level.
*/
result = Tcl_ListObjLength(interp, tablePtr, &dummyLength);
if (result != TCL_OK) {
return result;
}
result = GetIndexFromObjList(interp, objPtr, tablePtr, message, flags,
&index);
if (result != TCL_OK) {
if (errorPtr != NULL && errorLength == 0) {
Tcl_ResetResult(interp);
return TCL_OK;
} else if (errorPtr == NULL) {
return TCL_ERROR;
}
if (Tcl_IsShared(errorPtr)) {
errorPtr = Tcl_DuplicateObj(errorPtr);
}
Tcl_ListObjAppendElement(interp, errorPtr,
Tcl_NewStringObj("-code", 5));
Tcl_ListObjAppendElement(interp, errorPtr, Tcl_NewIntObj(result));
return Tcl_SetReturnOptions(interp, errorPtr);
}
result = Tcl_ListObjIndex(interp, tablePtr, index, &resultPtr);
if (result != TCL_OK) {
return result;
}
Tcl_SetObjResult(interp, resultPtr);
return TCL_OK;
}
