static void
TclKit_InitStdChannels(void)
{
Tcl_Channel chan;
/*
* We need to verify if we have the standard channels and create them if
* not. Otherwise internals channels may get used as standard channels
* (like for encodings) and panic.
*/
chan = Tcl_GetStdChannel(TCL_STDIN);
if (chan == NULL) {
chan = Tcl_OpenFileChannel(NULL, DEV_NULL, "r", 0);
if (chan != NULL) {
Tcl_SetChannelOption(NULL, chan, "-encoding", "utf-8");
}
Tcl_SetStdChannel(chan, TCL_STDIN);
}
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan == NULL) {
chan = Tcl_OpenFileChannel(NULL, DEV_NULL, "w", 0);
if (chan != NULL) {
Tcl_SetChannelOption(NULL, chan, "-encoding", "utf-8");
}
Tcl_SetStdChannel(chan, TCL_STDOUT);
}
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan == NULL) {
chan = Tcl_OpenFileChannel(NULL, DEV_NULL, "w", 0);
if (chan != NULL) {
Tcl_SetChannelOption(NULL, chan, "-encoding", "utf-8");
}
Tcl_SetStdChannel(chan, TCL_STDERR);
}
}
int tclcommand_replacestdchannel(ClientData clientData, Tcl_Interp *interp, int argc, char **argv)
{
Tcl_Channel channel=NULL;
if (argc != 3){
Tcl_AppendResult(interp,"Wrong # of args! Usage: ",argv[0]," [stdout|stderr|stdin] <pipename>",(char *)NULL);
return TCL_ERROR;
}
if(access(argv[2],F_OK)<0){
Tcl_AppendResult(interp,"File ",argv[2]," does not exist!",(char *) NULL);
return TCL_ERROR;
}
if(strcmp(argv[1],"stdout")==0){
if(access(argv[2],W_OK)<0){
Tcl_AppendResult(interp,"You do not have permission to access ",argv[2],(char *) NULL);
return TCL_ERROR;
}
Tcl_UnregisterChannel(interp,Tcl_GetStdChannel(TCL_STDOUT));
channel = Tcl_OpenFileChannel(interp, argv[2], "WRONLY",0666);
Tcl_RegisterChannel(interp,channel);
Tcl_SetStdChannel(channel,TCL_STDOUT);
}
else if(strcmp(argv[1],"stderr")==0){
if(access(argv[2],W_OK)<0){
Tcl_AppendResult(interp,"You do not have permission to access ",argv[2],(char *) NULL);
return TCL_ERROR;
}
Tcl_UnregisterChannel(interp,Tcl_GetStdChannel(TCL_STDERR));
channel = Tcl_OpenFileChannel(interp, argv[2], "WRONLY",0666);
Tcl_RegisterChannel(interp,channel);
Tcl_SetStdChannel(channel,TCL_STDERR);
}
else if(strcmp(argv[1],"stdin")==0){
if(access(argv[2],R_OK)<0){
Tcl_AppendResult(interp,"You do not have permission to access ",argv[2],(char *) NULL);
return TCL_ERROR;
}
Tcl_UnregisterChannel(interp,Tcl_GetStdChannel(TCL_STDIN));
channel = Tcl_OpenFileChannel(interp, argv[2], "RDONLY",0666);
Tcl_RegisterChannel(interp,channel);
Tcl_SetStdChannel(channel,TCL_STDIN);
}
else{
Tcl_AppendResult(interp,"invalid first argument (got: ",argv[1]," )",(char *) NULL);
return TCL_ERROR;
}
if(channel == NULL)
return TCL_ERROR;
return TCL_OK;
}
static void
Prompt(
Tcl_Interp *interp, /* Interpreter to use for prompting. */
PromptType *promptPtr) /* Points to type of prompt to print. Filled
* with PROMPT_NONE after a prompt is
* printed. */
{
Tcl_Obj *promptCmdPtr;
int code;
Tcl_Channel outChannel, errChannel;
if (*promptPtr == PROMPT_NONE) {
return;
}
promptCmdPtr = Tcl_GetVar2Ex(interp,
((*promptPtr == PROMPT_CONTINUE) ? "tcl_prompt2" : "tcl_prompt1"),
NULL, TCL_GLOBAL_ONLY);
if (Tcl_InterpDeleted(interp)) {
return;
}
if (promptCmdPtr == NULL) {
defaultPrompt:
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
if ((*promptPtr == PROMPT_START)
&& (outChannel != (Tcl_Channel) NULL)) {
Tcl_WriteChars(outChannel, DEFAULT_PRIMARY_PROMPT,
strlen(DEFAULT_PRIMARY_PROMPT));
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, TCL_EVAL_GLOBAL);
if (code != TCL_OK) {
Tcl_AddErrorInfo(interp,
"\n (script that generates prompt)");
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel != (Tcl_Channel) NULL) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
goto defaultPrompt;
}
}
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
if (outChannel != (Tcl_Channel) NULL) {
Tcl_Flush(outChannel);
}
*promptPtr = PROMPT_NONE;
}
static void
Prompt(
Tcl_Interp *interp, /* Interpreter to use for prompting. */
InteractiveState *isPtr) /* InteractiveState. Filled with PROMPT_NONE
* after a prompt is printed. */
{
Tcl_Obj *promptCmdPtr;
int code;
Tcl_Channel chan;
if (isPtr->prompt == PROMPT_NONE) {
return;
}
promptCmdPtr = Tcl_GetVar2Ex(interp,
(isPtr->prompt==PROMPT_CONTINUE ? "tcl_prompt2" : "tcl_prompt1"),
NULL, TCL_GLOBAL_ONLY);
if (Tcl_InterpDeleted(interp)) {
return;
}
if (promptCmdPtr == NULL) {
defaultPrompt:
if (isPtr->prompt == PROMPT_START) {
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan != NULL) {
Tcl_WriteChars(chan, DEFAULT_PRIMARY_PROMPT,
strlen(DEFAULT_PRIMARY_PROMPT));
}
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, TCL_EVAL_GLOBAL);
if (code != TCL_OK) {
Tcl_AddErrorInfo(interp,
"\n (script that generates prompt)");
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan != NULL) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
goto defaultPrompt;
}
}
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan != NULL) {
Tcl_Flush(chan);
}
isPtr->prompt = PROMPT_NONE;
}
void tclSendThread(Tcl_ThreadId thread, Tcl_Interp *interpreter, CONST char *script)
{
ThreadEvent *event;
Tcl_Channel errorChannel;
Tcl_Obj *object;
int boolean;
object = Tcl_GetVar2Ex(interpreter, "::tcl_platform", "threaded", 0);
if ((object == 0) || (Tcl_GetBooleanFromObj(interpreter, object, &boolean) != TCL_OK) || !boolean) {
errorChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errorChannel == NULL) return;
Tcl_WriteChars(
errorChannel, "error: Python thread requested script evaluation on Tcl core not compiled for multithreading.\n", -1
);
return;
}
event = (ThreadEvent *)Tcl_Alloc(sizeof(ThreadEvent));
event->event.proc = ThreadEventProc;
event->interpreter = interpreter;
event->script = strcpy(Tcl_Alloc(strlen(script) + 1), script);
Tcl_MutexLock(&threadMutex);
Tcl_ThreadQueueEvent(thread, (Tcl_Event *)event, TCL_QUEUE_TAIL);
Tcl_ThreadAlert(thread);
Tcl_MutexUnlock(&threadMutex);
}
static void ThreadErrorProc(Tcl_Interp *interpreter)
{
#ifdef WIN32
/* George Petasis, 21 Feb 2006:
* Unfortunatelly, I cannot find a way to measure the LONG_MAX characters
* with Visual C++ preprocessor. char buffer[strlen("")] does nto seem to work
* with static functions under Visual C++ .NET.*/
char buffer[15];
#else
char buffer[strlen(XSTRING(LONG_MAX))];
#endif
CONST char *errorInformation;
Tcl_Channel errorChannel;
errorInformation = Tcl_GetVar(interpreter, "errorInfo", TCL_GLOBAL_ONLY);
if (errorInformation == 0) {
errorInformation = "";
}
errorChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errorChannel == NULL) return;
sprintf(buffer, "%ld", (long)CURRENTTHREAD);
Tcl_WriteChars(errorChannel, "Error from thread ", -1);
Tcl_WriteChars(errorChannel, buffer, -1);
Tcl_WriteChars(errorChannel, "\n", 1);
Tcl_WriteChars(errorChannel, errorInformation, -1);
Tcl_WriteChars(errorChannel, "\n", 1);
}
void
TnmSnmpDumpPDU(Tcl_Interp *interp, TnmSnmpPdu *pdu)
{
if (hexdump) {
int i, code, argc;
const char **argv;
char *name, *status;
char buffer[80];
Tcl_DString dst;
Tcl_Channel channel;
Tcl_DStringInit(&dst);
name = TnmGetTableValue(tnmSnmpPDUTable, (unsigned) pdu->type);
if (name == NULL) {
name = "(unknown PDU type)";
}
status = TnmGetTableValue(tnmSnmpErrorTable, (unsigned) pdu->errorStatus);
if (status == NULL) {
status = "(unknown error code)";
}
if (pdu->type == ASN1_SNMP_GETBULK) {
sprintf(buffer, "%s %d non-repeaters %d max-repetitions %d\n",
name, pdu->requestId,
pdu->errorStatus, pdu->errorIndex);
} else if (pdu->type == ASN1_SNMP_TRAP1) {
sprintf(buffer, "%s\n", name);
} else if (pdu->errorStatus == TNM_SNMP_NOERROR) {
sprintf(buffer, "%s %d %s\n", name, pdu->requestId, status);
} else {
sprintf(buffer, "%s %d %s at %d\n",
name, pdu->requestId, status, pdu->errorIndex);
}
Tcl_DStringAppend(&dst, buffer, -1);
code = Tcl_SplitList(interp, Tcl_DStringValue(&pdu->varbind),
&argc, &argv);
if (code == TCL_OK) {
for (i = 0; i < argc; i++) {
sprintf(buffer, "%4d.\t", i+1);
Tcl_DStringAppend(&dst, buffer, -1);
Tcl_DStringAppend(&dst, argv[i], -1);
Tcl_DStringAppend(&dst, "\n", -1);
}
ckfree((char *) argv);
}
Tcl_ResetResult(interp);
channel = Tcl_GetStdChannel(TCL_STDOUT);
if (channel) {
Tcl_Write(channel,
Tcl_DStringValue(&dst), Tcl_DStringLength(&dst));
}
Tcl_DStringFree(&dst);
}
}
rpmtcl rpmtclNew(char ** av, uint32_t flags)
{
rpmtcl tcl =
#ifdef NOTYET
(flags & 0x80000000) ? rpmtclI() :
#endif
rpmtclGetPool(_rpmtclPool);
#if defined(WITH_TCL)
static char * _av[] = { "rpmtcl", NULL };
Tcl_Interp * tclI = Tcl_CreateInterp();
char b[32];
int ac;
if (av == NULL) av = _av;
ac = argvCount((ARGV_t)av);
Tcl_SetVar(tclI, "argv", Tcl_Merge(ac-1, (const char *const *)av+1), TCL_GLOBAL_ONLY);
(void)sprintf(b, "%d", ac-1);
Tcl_SetVar(tclI, "argc", b, TCL_GLOBAL_ONLY);
Tcl_SetVar(tclI, "argv0", av[0], TCL_GLOBAL_ONLY);
Tcl_SetVar(tclI, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
tcl->I = tclI;
{ Tcl_Channel tclout = Tcl_GetStdChannel(TCL_STDOUT);
Tcl_SetChannelOption(tclI, tclout, "-translation", "auto");
Tcl_StackChannel(tclI, &rpmtclIO, tcl, TCL_WRITABLE, tclout);
tcl->tclout = (void *) tclout;
}
#endif
tcl->iob = rpmiobNew(0);
return rpmtclLink(tcl);
}
static void printImgInfo (RAWHEADER *th, FMTOPT *opts,
const char *filename, const char *msg)
{
Tcl_Channel outChan;
char str[256];
outChan = Tcl_GetStdChannel (TCL_STDOUT);
if (!outChan) {
return;
}
sprintf (str, "%s %s\n", msg, filename); OUT;
sprintf (str, "\tSize in pixel : %d x %d\n", th->width, th->height); OUT;
sprintf (str, "\tNo. of channels : %d\n", th->nChans); OUT;
sprintf (str, "\tPixel type : %s\n", (th->pixelType == TYPE_FLOAT? strFloat:
(th->pixelType == TYPE_USHORT? strUShort:
(th->pixelType == TYPE_UBYTE? strUByte:
strUnknown)))); OUT;
sprintf (str, "\tVertical encoding: %s\n", th->scanOrder == TOP_DOWN?
strTopDown: strBottomUp); OUT;
sprintf (str, "\tGamma correction : %f\n", opts->gamma); OUT;
sprintf (str, "\tMinimum map value: %f\n", opts->minVal); OUT;
sprintf (str, "\tMaximum map value: %f\n", opts->maxVal); OUT;
sprintf (str, "\tHost byte order : %s\n", isIntel ()? strIntel: strMotorola); OUT;
sprintf (str, "\tFile byte order : %s\n", th->byteOrder == INTEL?
strIntel: strMotorola); OUT;
Tcl_Flush (outChan);
}
static void
ThreadErrorProc(
Tcl_Interp *interp) /* Interp that failed */
{
Tcl_Channel errChannel;
const char *errorInfo, *argv[3];
char *script;
char buf[TCL_DOUBLE_SPACE+1];
sprintf(buf, "%ld", (long) Tcl_GetCurrentThread());
errorInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
if (errorProcString == NULL) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
Tcl_WriteChars(errChannel, "Error from thread ", -1);
Tcl_WriteChars(errChannel, buf, -1);
Tcl_WriteChars(errChannel, "\n", 1);
Tcl_WriteChars(errChannel, errorInfo, -1);
Tcl_WriteChars(errChannel, "\n", 1);
} else {
argv[0] = errorProcString;
argv[1] = buf;
argv[2] = errorInfo;
script = Tcl_Merge(3, argv);
TclThreadSend(interp, errorThreadId, script, 0);
ckfree(script);
}
}
static int
SetupStdFile(
TclFile file, /* File to dup, or NULL. */
int type) /* One of TCL_STDIN, TCL_STDOUT, TCL_STDERR */
{
Tcl_Channel channel;
int fd;
int targetFd = 0; /* Initializations here needed only to */
int direction = 0; /* prevent warnings about using uninitialized
* variables. */
switch (type) {
case TCL_STDIN:
targetFd = 0;
direction = TCL_READABLE;
break;
case TCL_STDOUT:
targetFd = 1;
direction = TCL_WRITABLE;
break;
case TCL_STDERR:
targetFd = 2;
direction = TCL_WRITABLE;
break;
}
if (!file) {
channel = Tcl_GetStdChannel(type);
if (channel) {
file = TclpMakeFile(channel, direction);
}
}
if (file) {
fd = GetFd(file);
if (fd != targetFd) {
if (dup2(fd, targetFd) == -1) {
return 0;
}
/*
* Must clear the close-on-exec flag for the target FD, since some
* systems (e.g. Ultrix) do not clear the CLOEXEC flag on the
* target FD.
*/
fcntl(targetFd, F_SETFD, 0);
} else {
/*
* Since we aren't dup'ing the file, we need to explicitly clear
* the close-on-exec flag.
*/
fcntl(fd, F_SETFD, 0);
}
} else {
close(targetFd);
}
return 1;
}
void
TnmWriteMessage(const char *msg)
{
Tcl_Channel channel;
channel = Tcl_GetStdChannel(TCL_STDERR);
if (channel) {
Tcl_Write(channel, msg, -1);
}
}
static void
Prompt(
Tcl_Interp *interp, /* Interpreter to use for prompting. */
InteractiveState *isPtr) /* InteractiveState. */
{
Tcl_Obj *promptCmdPtr;
int code;
Tcl_Channel chan;
promptCmdPtr = Tcl_GetVar2Ex(interp,
isPtr->gotPartial ? "tcl_prompt2" : "tcl_prompt1", NULL, TCL_GLOBAL_ONLY);
if (promptCmdPtr == NULL) {
defaultPrompt:
if (!isPtr->gotPartial) {
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan != NULL) {
Tcl_WriteChars(chan, DEFAULT_PRIMARY_PROMPT,
strlen(DEFAULT_PRIMARY_PROMPT));
}
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, TCL_EVAL_GLOBAL);
if (code != TCL_OK) {
Tcl_AddErrorInfo(interp,
"\n (script that generates prompt)");
if (Tcl_GetStringResult(interp)[0] != '\0') {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan != NULL) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
}
goto defaultPrompt;
}
}
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan != NULL) {
Tcl_Flush(chan);
}
}
void
TkpDisplayWarning(
CONST char *msg, /* Message to be displayed. */
CONST char *title) /* Title of warning. */
{
Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteChars(errChannel, title, -1);
Tcl_WriteChars(errChannel, ": ", 2);
Tcl_WriteChars(errChannel, msg, -1);
Tcl_WriteChars(errChannel, "\n", 1);
}
}
void
Tcl_SourceRCFile(
Tcl_Interp *interp) /* Interpreter to source rc file into. */
{
Tcl_DString temp;
const char *fileName;
Tcl_Channel chan;
fileName = Tcl_GetVar2(interp, "tcl_rcFileName", NULL, TCL_GLOBAL_ONLY);
if (fileName != NULL) {
Tcl_Channel c;
const char *fullName;
Tcl_DStringInit(&temp);
fullName = Tcl_TranslateFileName(interp, fileName, &temp);
if (fullName == NULL) {
/*
* Couldn't translate the file name (e.g. it referred to a bogus
* user or there was no HOME environment variable). Just do
* nothing.
*/
} else {
/*
* Test for the existence of the rc file before trying to read it.
*/
c = Tcl_OpenFileChannel(NULL, fullName, "r", 0);
if (c != NULL) {
Tcl_Obj *fullNameObj = Tcl_NewStringObj(fullName, -1);
Tcl_Close(NULL, c);
Tcl_IncrRefCount(fullNameObj);
if (Tcl_FSEvalFileEx(interp, fullNameObj, NULL) != TCL_OK) {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
}
Tcl_DecrRefCount(fullNameObj);
}
}
Tcl_DStringFree(&temp);
}
}
void
Tcl_SourceRCFile(
Tcl_Interp *interp) /* Interpreter to source rc file into. */
{
Tcl_DString temp;
CONST char *fileName;
Tcl_Channel errChannel;
fileName = Tcl_GetVar(interp, "tcl_rcFileName", TCL_GLOBAL_ONLY);
if (fileName != NULL) {
Tcl_Channel c;
CONST char *fullName;
Tcl_DStringInit(&temp);
fullName = Tcl_TranslateFileName(interp, fileName, &temp);
if (fullName == NULL) {
/*
* Couldn't translate the file name (e.g. it referred to a bogus
* user or there was no HOME environment variable). Just do
* nothing.
*/
} else {
/*
* Test for the existence of the rc file before trying to read it.
*/
c = Tcl_OpenFileChannel(NULL, fullName, "r", 0);
if (c != (Tcl_Channel) NULL) {
Tcl_Close(NULL, c);
if (Tcl_EvalFile(interp, fullName) != TCL_OK) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
}
}
}
Tcl_DStringFree(&temp);
}
}
static void printImgInfo (TGAHEADER *th, CONST char *filename, CONST char *msg)
{
Tcl_Channel outChan;
char str[256];
outChan = Tcl_GetStdChannel (TCL_STDOUT);
if (!outChan) {
return;
}
sprintf (str, "%s %s\n", msg, filename); OUT;
sprintf (str, "\tSize in pixel : %d x %d\n", th->xsize, th->ysize); OUT;
sprintf (str, "\tNo. of channels : %d\n", NCHAN(th->pixsize)); OUT;
sprintf (str, "\tCompression : %s\n",
IS_COMPRESSED(th->imgtyp)? "RLE": "None"); OUT;
sprintf (str, "\tVertical encoding : %s\n",
ENC_TOP_BOTTOM(th->imgdes)? "Top -> Bottom": "Bottom -> Top"); OUT;
sprintf (str, "\tHorizontal encoding: %s\n",
ENC_LEFT_RIGHT(th->imgdes)? "Left -> Right": "Right -> Left"); OUT;
Tcl_Flush (outChan);
}
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
ShouldUseConsoleChannel(
int type)
{
DWORD handleId; /* Standard handle to retrieve. */
DCB dcb;
DWORD consoleParams;
DWORD fileType;
int mode;
const char *bufMode;
HANDLE handle;
switch (type) {
case TCL_STDIN:
handleId = STD_INPUT_HANDLE;
mode = TCL_READABLE;
bufMode = "line";
break;
case TCL_STDOUT:
handleId = STD_OUTPUT_HANDLE;
mode = TCL_WRITABLE;
bufMode = "line";
break;
case TCL_STDERR:
handleId = STD_ERROR_HANDLE;
mode = TCL_WRITABLE;
bufMode = "none";
break;
default:
return 0;
break;
}
handle = GetStdHandle(handleId);
/*
* Note that we need to check for 0 because Windows will return 0 if this
* is not a console mode application, even though this is not a valid
* handle.
*/
if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)) {
return 1;
}
/*
* Win2K BUG: GetStdHandle(STD_OUTPUT_HANDLE) can return what appears to
* be a valid handle. See TclpGetDefaultStdChannel() for this change
* implemented. We didn't change it here because GetFileType() [below]
* will catch this with FILE_TYPE_UNKNOWN and appropriately return a value
* of 1, anyways.
*
* char dummyBuff[1];
* DWORD dummyWritten;
*
* if ((type == TCL_STDOUT)
* && !WriteFile(handle, dummyBuff, 0, &dummyWritten, NULL)) {
* return 1;
* }
*/
fileType = GetFileType(handle);
/*
* If the file is a character device, we need to try to figure out whether
* it is a serial port, a console, or something else. We test for the
* console case first because this is more common.
*/
if (fileType == FILE_TYPE_CHAR) {
dcb.DCBlength = sizeof(DCB);
if (!GetConsoleMode(handle, &consoleParams) &&
!GetCommState(handle, &dcb)) {
/*
* Don't use a CHAR type channel for stdio, otherwise Tk runs into
* trouble with the MS DevStudio debugger.
*/
return 1;
}
} else if (fileType == FILE_TYPE_UNKNOWN) {
return 1;
} else if (Tcl_GetStdChannel(type) == NULL) {
return 1;
}
return 0;
}
TclInterpreter::TclInterpreter(int argc, char **argv)
:wrapper(), cmds(this)
{
/* fmk - beginning of modifications for OpenSees */
fprintf(stderr,"\n\n\t OpenSees -- Open System For Earthquake Engineering Simulation");
fprintf(stderr,"\n\tPacific Earthquake Engineering Research Center -- 3.0.0\n\n");
fprintf(stderr,"\t (c) Copyright 1999,2000 The Regents of the University of California");
fprintf(stderr,"\n\t\t\t\t All Rights Reserved\n");
fprintf(stderr," (Copyright and Disclaimer @ http://www.berkeley.edu/OpenSees/copyright.html)\n\n\n");
Tcl_FindExecutable(argv[0]);
interp = Tcl_CreateInterp();
#ifdef TCL_MEM_DEBUG
Tcl_InitMemory(interp);
#endif
/*
* 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.
*/
if (tclStartupScriptFileName == NULL) {
if ((argc > 1) && (argv[1][0] != '-')) {
tclStartupScriptFileName = argv[1];
argc--;
argv++;
}
}
args = Tcl_Merge(argc-1, argv+1);
Tcl_ExternalToUtfDString(NULL, args, -1, &argString);
Tcl_SetVar(interp, "argv", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
Tcl_DStringFree(&argString);
ckfree(args);
if (tclStartupScriptFileName == NULL) {
Tcl_ExternalToUtfDString(NULL, argv[0], -1, &argString);
} else {
tclStartupScriptFileName = Tcl_ExternalToUtfDString(NULL,
tclStartupScriptFileName, -1, &argString);
}
TclFormatInt(buffer, argc-1);
Tcl_SetVar(interp, "argc", buffer, TCL_GLOBAL_ONLY);
Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
/*
* Set the "tcl_interactive" variable.
*/
tty = isatty(0);
char one[2] = "1";
char zero[2] = "0";
Tcl_SetVar(interp, "tcl_interactive",
((tclStartupScriptFileName == NULL) && tty) ? one : zero,
TCL_GLOBAL_ONLY);
/*
* Invoke application-specific initialization.
*/
#ifndef TCL_LOCAL_APPINIT
#define TCL_LOCAL_APPINIT Tcl_AppInit
#endif
if ((*Tcl_AppInit)(interp) != TCL_OK) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteChars(errChannel,
"application-specific initialization failed: ", -1);
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
}
wrapper.addOpenSeesCommands(interp);
}
/* ARGSUSED */
int
TclpCreateProcess(
Tcl_Interp *interp, /* Interpreter in which to leave errors that
* occurred when creating the child process.
* Error messages from the child process
* itself are sent to errorFile. */
int argc, /* Number of arguments in following array. */
const char **argv, /* Array of argument strings in UTF-8.
* argv[0] contains the name of the executable
* translated using Tcl_TranslateFileName
* call). Additional arguments have not been
* converted. */
TclFile inputFile, /* If non-NULL, gives the file to use as input
* for the child process. If inputFile file is
* not readable or is NULL, the child will
* receive no standard input. */
TclFile outputFile, /* If non-NULL, gives the file that receives
* output from the child process. If
* outputFile file is not writeable or is
* NULL, output from the child will be
* discarded. */
TclFile errorFile, /* If non-NULL, gives the file that receives
* errors from the child process. If errorFile
* file is not writeable or is NULL, errors
* from the child will be discarded. errorFile
* may be the same as outputFile. */
Tcl_Pid *pidPtr) /* If this function is successful, pidPtr is
* filled with the process id of the child
* process. */
{
TclFile errPipeIn, errPipeOut;
int count, status, fd;
char errSpace[200 + TCL_INTEGER_SPACE];
Tcl_DString *dsArray;
char **newArgv;
int pid, i;
errPipeIn = NULL;
errPipeOut = NULL;
pid = -1;
/*
* Create a pipe that the child can use to return error information if
* anything goes wrong.
*/
if (TclpCreatePipe(&errPipeIn, &errPipeOut) == 0) {
Tcl_AppendResult(interp, "couldn't create pipe: ",
Tcl_PosixError(interp), NULL);
goto error;
}
/*
* We need to allocate and convert this before the fork so it is properly
* deallocated later
*/
dsArray = (Tcl_DString *)
TclStackAlloc(interp, argc * sizeof(Tcl_DString));
newArgv = (char **) TclStackAlloc(interp, (argc+1) * sizeof(char *));
newArgv[argc] = NULL;
for (i = 0; i < argc; i++) {
newArgv[i] = Tcl_UtfToExternalDString(NULL, argv[i], -1, &dsArray[i]);
}
#ifdef USE_VFORK
/*
* After vfork(), do not call code in the child that changes global state,
* because it is using the parent's memory space at that point and writes
* might corrupt the parent: so ensure standard channels are initialized in
* the parent, otherwise SetupStdFile() might initialize them in the child.
*/
if (!inputFile) {
Tcl_GetStdChannel(TCL_STDIN);
}
if (!outputFile) {
Tcl_GetStdChannel(TCL_STDOUT);
}
if (!errorFile) {
Tcl_GetStdChannel(TCL_STDERR);
}
#endif
pid = fork();
if (pid == 0) {
int joinThisError = errorFile && (errorFile == outputFile);
fd = GetFd(errPipeOut);
/*
* Set up stdio file handles for the child process.
*/
if (!SetupStdFile(inputFile, TCL_STDIN)
|| !SetupStdFile(outputFile, TCL_STDOUT)
|| (!joinThisError && !SetupStdFile(errorFile, TCL_STDERR))
|| (joinThisError &&
((dup2(1,2) == -1) || (fcntl(2, F_SETFD, 0) != 0)))) {
sprintf(errSpace,
"%dforked process couldn't set up input/output: ", errno);
(void)write(fd, errSpace, (size_t) strlen(errSpace));
_exit(1);
}
/*
* Close the input side of the error pipe.
*/
RestoreSignals();
execvp(newArgv[0], newArgv); /* INTL: Native. */
sprintf(errSpace, "%dcouldn't execute \"%.150s\": ", errno, argv[0]);
(void)write(fd, errSpace, (size_t) strlen(errSpace));
_exit(1);
}
/*
* Free the mem we used for the fork
*/
for (i = 0; i < argc; i++) {
Tcl_DStringFree(&dsArray[i]);
}
TclStackFree(interp, newArgv);
TclStackFree(interp, dsArray);
if (pid == -1) {
Tcl_AppendResult(interp, "couldn't fork child process: ",
Tcl_PosixError(interp), NULL);
goto error;
}
/*
* Read back from the error pipe to see if the child started up OK. The
* info in the pipe (if any) consists of a decimal errno value followed by
* an error message.
*/
TclpCloseFile(errPipeOut);
errPipeOut = NULL;
fd = GetFd(errPipeIn);
count = read(fd, errSpace, (size_t) (sizeof(errSpace) - 1));
if (count > 0) {
char *end;
errSpace[count] = 0;
errno = strtol(errSpace, &end, 10);
Tcl_AppendResult(interp, end, Tcl_PosixError(interp), NULL);
goto error;
}
TclpCloseFile(errPipeIn);
*pidPtr = (Tcl_Pid) INT2PTR(pid);
return TCL_OK;
error:
if (pid != -1) {
/*
* Reap the child process now if an error occurred during its startup.
* We don't call this with WNOHANG because that can lead to defunct
* processes on an MP system. We shouldn't have to worry about hanging
* here, since this is the error case. [Bug: 6148]
*/
Tcl_WaitPid((Tcl_Pid) INT2PTR(pid), &status, 0);
}
if (errPipeIn) {
TclpCloseFile(errPipeIn);
}
if (errPipeOut) {
TclpCloseFile(errPipeOut);
}
return TCL_ERROR;
}
int
TclInterpreter::run() {
/*
* If a script file was specified then just source that file
* and quit.
*/
if (tclStartupScriptFileName != NULL) {
code = Tcl_EvalFile(interp, tclStartupScriptFileName);
if (code != TCL_OK) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
/*
* The following statement guarantees that the errorInfo
* variable is set properly.
*/
Tcl_AddErrorInfo(interp, "");
Tcl_WriteObj(errChannel, Tcl_GetVar2Ex(interp, "errorInfo",
NULL, TCL_GLOBAL_ONLY));
Tcl_WriteChars(errChannel, "\n", 1);
}
exitCode = 1;
}
return 0;
}
else {
/*
const char *pwd = getInterpPWD(interp);
simulationInfo.start();
simulationInfo.addInputFile(tclStartupScriptFileName, pwd);
*/
/*
* We're running interactively. Source a user-specific startup
* file if the application specified one and if the file exists.
*/
Tcl_DStringFree(&argString);
Tcl_SourceRCFile(interp);
/*
* Process commands from stdin until there's an end-of-file. Note
* that we need to fetch the standard channels again after every
* eval, since they may have been changed.
*/
/*
if (simulationInfoOutputFilename != 0) {
simulationInfo.start();
}
*/
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
gotPartial = 0;
while (1) {
if (tty) {
Tcl_Obj *promptCmdPtr;
char one[12] = "tcl_prompt1";
char two[12] = "tcl_prompt2";
promptCmdPtr = Tcl_GetVar2Ex(interp,
(gotPartial ? one : two),
NULL, TCL_GLOBAL_ONLY);
if (promptCmdPtr == NULL) {
defaultPrompt:
if (!gotPartial && outChannel) {
Tcl_WriteChars(outChannel, "OpenSees > ", 11);
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, 0);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (code != TCL_OK) {
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
Tcl_AddErrorInfo(interp,
"\n (script that generates prompt)");
goto defaultPrompt;
}
}
if (outChannel) {
Tcl_Flush(outChannel);
}
}
if (!inChannel) {
return 0;
// goto done;
}
length = Tcl_GetsObj(inChannel, commandPtr);
if (length < 0) {
return 0; //goto done;
}
if ((length == 0) && Tcl_Eof(inChannel) && (!gotPartial)) {
return 0; // goto done;
}
/*
* Add the newline removed by Tcl_GetsObj back to the string.
*/
Tcl_AppendToObj(commandPtr, "\n", 1);
if (!TclObjCommandComplete(commandPtr)) {
gotPartial = 1;
continue;
}
gotPartial = 0;
code = Tcl_RecordAndEvalObj(interp, commandPtr, 0);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
if (code != TCL_OK) {
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
} else if (tty) {
resultPtr = Tcl_GetObjResult(interp);
Tcl_GetStringFromObj(resultPtr, &length);
if ((length > 0) && outChannel) {
Tcl_WriteObj(outChannel, resultPtr);
Tcl_WriteChars(outChannel, "\n", 1);
}
}
#ifdef TCL_MEM_DEBUG
if (tclMemDumpFileName != NULL) {
Tcl_DecrRefCount(commandPtr);
Tcl_DeleteInterp(interp);
Tcl_Exit(0);
}
#endif
}
}
return 0;
}
/* ARGSUSED */
static void
StdinProc(
ClientData clientData, /* The state of interactive cmd line */
int mask) /* Not used. */
{
int code, length;
InteractiveState *isPtr = clientData;
Tcl_Channel chan = isPtr->input;
Tcl_Obj *commandPtr = isPtr->commandPtr;
Tcl_Interp *interp = isPtr->interp;
if (Tcl_IsShared(commandPtr)) {
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_DuplicateObj(commandPtr);
Tcl_IncrRefCount(commandPtr);
}
length = Tcl_GetsObj(chan, commandPtr);
if (length < 0) {
if (Tcl_InputBlocked(chan)) {
return;
}
if (isPtr->tty) {
/*
* Would be better to find a way to exit the mainLoop? Or perhaps
* evaluate [exit]? Leaving as is for now due to compatibility
* concerns.
*/
Tcl_Exit(0);
}
Tcl_DeleteChannelHandler(chan, StdinProc, isPtr);
return;
}
if (Tcl_IsShared(commandPtr)) {
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_DuplicateObj(commandPtr);
Tcl_IncrRefCount(commandPtr);
}
Tcl_AppendToObj(commandPtr, "\n", 1);
if (!TclObjCommandComplete(commandPtr)) {
isPtr->prompt = PROMPT_CONTINUE;
goto prompt;
}
isPtr->prompt = PROMPT_START;
Tcl_GetStringFromObj(commandPtr, &length);
Tcl_SetObjLength(commandPtr, --length);
/*
* Disable the stdin channel handler while evaluating the command;
* otherwise if the command re-enters the event loop we might process
* commands from stdin before the current command is finished. Among other
* things, this will trash the text of the command being evaluated.
*/
Tcl_CreateChannelHandler(chan, 0, StdinProc, isPtr);
code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL);
isPtr->input = chan = Tcl_GetStdChannel(TCL_STDIN);
Tcl_DecrRefCount(commandPtr);
isPtr->commandPtr = commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
if (chan != NULL) {
Tcl_CreateChannelHandler(chan, TCL_READABLE, StdinProc, isPtr);
}
if (code != TCL_OK) {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan != NULL) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
} else if (isPtr->tty) {
Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
chan = Tcl_GetStdChannel(TCL_STDOUT);
Tcl_IncrRefCount(resultPtr);
Tcl_GetStringFromObj(resultPtr, &length);
if ((length > 0) && (chan != NULL)) {
Tcl_WriteObj(chan, resultPtr);
Tcl_WriteChars(chan, "\n", 1);
}
Tcl_DecrRefCount(resultPtr);
}
/*
* If a tty stdin is still around, output a prompt.
*/
prompt:
if (isPtr->tty && (isPtr->input != NULL)) {
Prompt(interp, isPtr);
isPtr->input = Tcl_GetStdChannel(TCL_STDIN);
}
}
void
Tcl_MainEx(
int argc, /* Number of arguments. */
TCHAR **argv, /* Array of argument strings. */
Tcl_AppInitProc *appInitProc,
/* Application-specific initialization
* function to call after most initialization
* but before starting to execute commands. */
Tcl_Interp *interp)
{
Tcl_Obj *path, *resultPtr, *argvPtr, *appName;
const char *encodingName = NULL;
int code, exitCode = 0;
Tcl_MainLoopProc *mainLoopProc;
Tcl_Channel chan;
InteractiveState is;
TclpSetInitialEncodings();
TclpFindExecutable((const char *)argv[0]);
Tcl_InitMemory(interp);
is.interp = interp;
is.prompt = PROMPT_START;
is.commandPtr = Tcl_NewObj();
/*
* If the application has not already set a startup script, parse the
* first few command line arguments to determine the script path and
* encoding.
*/
if (NULL == Tcl_GetStartupScript(NULL)) {
/*
* Check whether first 3 args (argv[1] - argv[3]) look like
* -encoding ENCODING FILENAME
* or like
* FILENAME
*/
if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
&& ('-' != argv[3][0])) {
Tcl_Obj *value = NewNativeObj(argv[2], -1);
Tcl_SetStartupScript(NewNativeObj(argv[3], -1),
Tcl_GetString(value));
Tcl_DecrRefCount(value);
argc -= 3;
argv += 3;
} else if ((argc > 1) && ('-' != argv[1][0])) {
Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
argc--;
argv++;
}
}
path = Tcl_GetStartupScript(&encodingName);
if (path == NULL) {
appName = NewNativeObj(argv[0], -1);
} else {
appName = path;
}
Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY);
argc--;
argv++;
Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);
argvPtr = Tcl_NewListObj(0, NULL);
while (argc--) {
Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1));
}
Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);
/*
* Set the "tcl_interactive" variable.
*/
is.tty = isatty(0);
Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
Tcl_NewIntObj(!path && is.tty), TCL_GLOBAL_ONLY);
/*
* Invoke application-specific initialization.
*/
Tcl_Preserve(interp);
if (appInitProc(interp) != TCL_OK) {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan) {
Tcl_WriteChars(chan,
"application-specific initialization failed: ", -1);
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
}
if (Tcl_InterpDeleted(interp)) {
goto done;
}
if (Tcl_LimitExceeded(interp)) {
goto done;
}
if (TclFullFinalizationRequested()) {
/*
* Arrange for final deletion of the main interp
*/
/* ARGH Munchhausen effect */
Tcl_CreateExitHandler(FreeMainInterp, interp);
}
/*
* Invoke the script specified on the command line, if any. Must fetch it
* again, as the appInitProc might have reset it.
*/
path = Tcl_GetStartupScript(&encodingName);
if (path != NULL) {
Tcl_ResetResult(interp);
code = Tcl_FSEvalFileEx(interp, path, encodingName);
if (code != TCL_OK) {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan) {
Tcl_Obj *options = Tcl_GetReturnOptions(interp, code);
Tcl_Obj *keyPtr, *valuePtr;
TclNewLiteralStringObj(keyPtr, "-errorinfo");
Tcl_IncrRefCount(keyPtr);
Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr);
Tcl_DecrRefCount(keyPtr);
if (valuePtr) {
Tcl_WriteObj(chan, valuePtr);
}
Tcl_WriteChars(chan, "\n", 1);
Tcl_DecrRefCount(options);
}
exitCode = 1;
}
goto done;
}
/*
* We're running interactively. Source a user-specific startup file if the
* application specified one and if the file exists.
*/
Tcl_SourceRCFile(interp);
if (Tcl_LimitExceeded(interp)) {
goto done;
}
/*
* Process commands from stdin until there's an end-of-file. Note that we
* need to fetch the standard channels again after every eval, since they
* may have been changed.
*/
Tcl_IncrRefCount(is.commandPtr);
/*
* Get a new value for tty if anyone writes to ::tcl_interactive
*/
Tcl_LinkVar(interp, "tcl_interactive", (char *) &is.tty, TCL_LINK_BOOLEAN);
is.input = Tcl_GetStdChannel(TCL_STDIN);
while ((is.input != NULL) && !Tcl_InterpDeleted(interp)) {
mainLoopProc = TclGetMainLoop();
if (mainLoopProc == NULL) {
int length;
if (is.tty) {
Prompt(interp, &is);
if (Tcl_InterpDeleted(interp)) {
break;
}
if (Tcl_LimitExceeded(interp)) {
break;
}
is.input = Tcl_GetStdChannel(TCL_STDIN);
if (is.input == NULL) {
break;
}
}
if (Tcl_IsShared(is.commandPtr)) {
Tcl_DecrRefCount(is.commandPtr);
is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
Tcl_IncrRefCount(is.commandPtr);
}
length = Tcl_GetsObj(is.input, is.commandPtr);
if (length < 0) {
if (Tcl_InputBlocked(is.input)) {
/*
* This can only happen if stdin has been set to
* non-blocking. In that case cycle back and try again.
* This sets up a tight polling loop (since we have no
* event loop running). If this causes bad CPU hogging, we
* might try toggling the blocking on stdin instead.
*/
continue;
}
/*
* Either EOF, or an error on stdin; we're done
*/
break;
}
/*
* Add the newline removed by Tcl_GetsObj back to the string. Have
* to add it back before testing completeness, because it can make
* a difference. [Bug 1775878]
*/
if (Tcl_IsShared(is.commandPtr)) {
Tcl_DecrRefCount(is.commandPtr);
is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
Tcl_IncrRefCount(is.commandPtr);
}
Tcl_AppendToObj(is.commandPtr, "\n", 1);
if (!TclObjCommandComplete(is.commandPtr)) {
is.prompt = PROMPT_CONTINUE;
continue;
}
is.prompt = PROMPT_START;
/*
* The final newline is syntactically redundant, and causes some
* error messages troubles deeper in, so lop it back off.
*/
Tcl_GetStringFromObj(is.commandPtr, &length);
Tcl_SetObjLength(is.commandPtr, --length);
code = Tcl_RecordAndEvalObj(interp, is.commandPtr,
TCL_EVAL_GLOBAL);
is.input = Tcl_GetStdChannel(TCL_STDIN);
Tcl_DecrRefCount(is.commandPtr);
is.commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(is.commandPtr);
if (code != TCL_OK) {
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
} else if (is.tty) {
resultPtr = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(resultPtr);
Tcl_GetStringFromObj(resultPtr, &length);
chan = Tcl_GetStdChannel(TCL_STDOUT);
if ((length > 0) && chan) {
Tcl_WriteObj(chan, resultPtr);
Tcl_WriteChars(chan, "\n", 1);
}
Tcl_DecrRefCount(resultPtr);
}
} else { /* (mainLoopProc != NULL) */
/*
* If a main loop has been defined while running interactively, we
* want to start a fileevent based prompt by establishing a
* channel handler for stdin.
*/
if (is.input) {
if (is.tty) {
Prompt(interp, &is);
}
Tcl_CreateChannelHandler(is.input, TCL_READABLE,
StdinProc, &is);
}
mainLoopProc();
Tcl_SetMainLoop(NULL);
if (is.input) {
Tcl_DeleteChannelHandler(is.input, StdinProc, &is);
}
is.input = Tcl_GetStdChannel(TCL_STDIN);
}
/*
* This code here only for the (unsupported and deprecated) [checkmem]
* command.
*/
#ifdef TCL_MEM_DEBUG
if (tclMemDumpFileName != NULL) {
Tcl_SetMainLoop(NULL);
Tcl_DeleteInterp(interp);
}
#endif /* TCL_MEM_DEBUG */
}
done:
mainLoopProc = TclGetMainLoop();
if ((exitCode == 0) && mainLoopProc && !Tcl_LimitExceeded(interp)) {
/*
* If everything has gone OK so far, call the main loop proc, if it
* exists. Packages (like Tk) can set it to start processing events at
* this point.
*/
mainLoopProc();
Tcl_SetMainLoop(NULL);
}
if (is.commandPtr != NULL) {
Tcl_DecrRefCount(is.commandPtr);
}
/*
* Rather than calling exit, invoke the "exit" command so that users can
* replace "exit" with some other command to do additional cleanup on
* exit. The Tcl_EvalObjEx call should never return.
*/
if (!Tcl_InterpDeleted(interp) && !Tcl_LimitExceeded(interp)) {
Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode);
Tcl_IncrRefCount(cmd);
Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL);
Tcl_DecrRefCount(cmd);
}
/*
* If Tcl_EvalObjEx returns, trying to eval [exit], something unusual is
* happening. Maybe interp has been deleted; maybe [exit] was redefined,
* maybe we've blown up because of an exceeded limit. We still want to
* cleanup and exit.
*/
Tcl_Exit(exitCode);
}
/*
** This routine runs first.
*/
int main(int argc, char **argv){
Tcl_Interp *interp;
char *args;
char buf[100];
int tty;
char TCLdir[20];
char TKdir[20];
char autopath[20];
char sourceCmd[80];
#ifdef WITHOUT_TK
Tcl_Obj *resultPtr;
Tcl_Obj *commandPtr = NULL;
char buffer[1000];
int code, gotPartial, length;
Tcl_Channel inChannel, outChannel, errChannel;
#endif
/* Create a Tcl interpreter
*/
Tcl_FindExecutable(argv[0]);
interp = Tcl_CreateInterp();
if( Tcl_PkgRequire(interp, "Tcl", TCL_VERSION, 1)==0 ){
return 1;
}
args = Tcl_Merge(argc-1, (CONST84 char * CONST *)argv+1);
Tcl_SetVar(interp, "argv", args, TCL_GLOBAL_ONLY);
ckfree(args);
sprintf(buf, "%d", argc-1);
Tcl_SetVar(interp, "argc", buf, TCL_GLOBAL_ONLY);
Tcl_SetVar(interp, "argv0", argv[0], TCL_GLOBAL_ONLY);
tty = isatty(0);
Tcl_SetVar(interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
/* We have to initialize the virtual filesystem before calling
** Tcl_Init(). Otherwise, Tcl_Init() will not be able to find
** its startup script files.
*/
Zvfs_Init(interp);
Tcl_SetVar(interp, "extname", "", TCL_GLOBAL_ONLY);
Zvfs_Mount(interp, (char *)Tcl_GetNameOfExecutable(), "/");
sprintf(TCLdir, "%s/tcl", mountPt);
Tcl_SetVar2(interp, "env", "TCL_LIBRARY", TCLdir, TCL_GLOBAL_ONLY);
sprintf(TKdir, "%s/tk", mountPt);
Tcl_SetVar2(interp, "env", "TK_LIBRARY", TKdir, TCL_GLOBAL_ONLY);
/* Initialize Tcl and Tk
*/
if( Tcl_Init(interp) ) return TCL_ERROR;
sprintf(autopath, " %s", TCLdir);
Tcl_SetVar(interp, "auto_path", autopath, TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
Tcl_SetVar(interp, "tcl_libPath", TCLdir, TCL_GLOBAL_ONLY);
#ifdef WITHOUT_TK
Tcl_SetVar(interp, "extname", "tclsh", TCL_GLOBAL_ONLY);
#else
Tk_InitConsoleChannels(interp);
if ( Tk_Init(interp) ) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp,"Tk", Tk_Init, 0);
Tk_CreateConsoleWindow(interp);
#endif
/* Start up all extensions.
*/
#if defined(__WIN32__)
/* DRL - Do the standard Windows extentions */
if (Registry_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Registry", Registry_Init, 0);
if (Dde_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Dde", Dde_Init, 0);
#endif
#ifndef WITHOUT_TDOM
if (Tdom_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Tdom", Tdom_Init, Tdom_SafeInit);
#endif
#ifndef WITHOUT_TLS
if (Tls_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Tls", Tls_Init, Tls_SafeInit);
#endif
/*
#ifndef WITHOUT_MKZIPLIB
if (Mkziplib_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Mkziplib", Mkziplib_Init, Mkziplib_SafeInit);
#endif
*/
#ifndef WITHOUT_XOTCL
if (Xotcl_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Xotcl", Xotcl_Init, Xotcl_SafeInit);
/*
if (Xotclexpat_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "xotclexpat", Xotclexpat_Init, 0);
*/
/*
if (Xotclsdbm_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
*/
// Tcl_StaticPackage(interp, "xotclsdbm", Xotclsdbm_Init, Xotclsdbm_SafeInit);
/*
if (Xotclgdbm_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
*/
// Tcl_StaticPackage(interp, "xotclgdbm", Xotclgdbm_Init, Xotclgdbm_SafeInit);
#endif
#ifndef WITHOUT_TGDBM
if (Tgdbm_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Tgdbm", Tgdbm_Init, 0);
#endif
#ifndef WITHOUT_THREAD
if (Thread_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Thread", Thread_Init, 0);
#endif
#if !defined(WITHOUT_TK) && !defined(WITHOUT_WINICO) && (defined(__WIN32__) || defined(_WIN32))
if (Winico_Init(interp) == TCL_ERROR) return TCL_ERROR;
Tcl_StaticPackage(interp, "Winico", Winico_Init, Winico_SafeInit);
#endif
/* Add some freeWrap commands */
if (Freewrap_Init(interp) == TCL_ERROR) return TCL_ERROR;
/* After all extensions are registered, start up the
** program by running freewrapCmds.tcl.
*/
sprintf(sourceCmd, "source %s/freewrapCmds.tcl", mountPt);
Tcl_Eval(interp, sourceCmd);
#ifndef WITHOUT_TK
/*
* Loop infinitely, waiting for commands to execute. When there
* are no windows left, Tk_MainLoop returns and we exit.
*/
Tk_MainLoop();
Tcl_DeleteInterp(interp);
Tcl_Exit(0);
#else
/*
* Process commands from stdin until there's an end-of-file. Note
* that we need to fetch the standard channels again after every
* eval, since they may have been changed.
*/
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
gotPartial = 0;
while (1) {
if (tty) {
Tcl_Obj *promptCmdPtr;
promptCmdPtr = Tcl_GetVar2Ex(interp,
(gotPartial ? "tcl_prompt2" : "tcl_prompt1"),
NULL, TCL_GLOBAL_ONLY);
if (promptCmdPtr == NULL) {
defaultPrompt:
if (!gotPartial && outChannel) {
Tcl_WriteChars(outChannel, "% ", 2);
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, 0);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (code != TCL_OK) {
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
Tcl_AddErrorInfo(interp,
"\n (script that generates prompt)");
goto defaultPrompt;
}
}
if (outChannel) {
Tcl_Flush(outChannel);
}
}
if (!inChannel) {
goto done;
}
length = Tcl_GetsObj(inChannel, commandPtr);
if (length < 0) {
goto done;
}
if ((length == 0) && Tcl_Eof(inChannel) && (!gotPartial)) {
goto done;
}
/*
* Add the newline removed by Tcl_GetsObj back to the string.
*/
Tcl_AppendToObj(commandPtr, "\n", 1);
if (!TclObjCommandComplete(commandPtr)) {
gotPartial = 1;
continue;
}
gotPartial = 0;
code = Tcl_RecordAndEvalObj(interp, commandPtr, 0);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
if (code != TCL_OK) {
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
} else if (tty) {
resultPtr = Tcl_GetObjResult(interp);
Tcl_GetStringFromObj(resultPtr, &length);
if ((length > 0) && outChannel) {
Tcl_WriteObj(outChannel, resultPtr);
Tcl_WriteChars(outChannel, "\n", 1);
}
}
}
/*
* Rather than calling exit, invoke the "exit" command so that
* users can replace "exit" with some other command to do additional
* cleanup on exit. The Tcl_Eval call should never return.
*/
done:
if (commandPtr != NULL) {
Tcl_DecrRefCount(commandPtr);
}
sprintf(buffer, "exit %d", 0);
Tcl_Eval(interp, buffer);
#endif
return TCL_OK;
}
void
Tcl_Main(
int argc, /* Number of arguments. */
char **argv, /* Array of argument strings. */
Tcl_AppInitProc *appInitProc)
/* Application-specific initialization
* function to call after most initialization
* but before starting to execute commands. */
{
Tcl_Obj *path, *resultPtr, *argvPtr, *commandPtr = NULL;
const char *encodingName = NULL;
PromptType prompt = PROMPT_START;
int code, length, tty, exitCode = 0;
Tcl_Channel inChannel, outChannel, errChannel;
Tcl_Interp *interp;
Tcl_DString appName;
Tcl_FindExecutable(argv[0]);
interp = Tcl_CreateInterp();
Tcl_InitMemory(interp);
/*
* If the application has not already set a startup script, parse the
* first few command line arguments to determine the script path and
* encoding.
*/
if (NULL == Tcl_GetStartupScript(NULL)) {
/*
* Check whether first 3 args (argv[1] - argv[3]) look like
* -encoding ENCODING FILENAME
* or like
* FILENAME
*/
if ((argc > 3) && (0 == strcmp("-encoding", argv[1]))
&& ('-' != argv[3][0])) {
Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
argc -= 3;
argv += 3;
} else if ((argc > 1) && ('-' != argv[1][0])) {
Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
argc--;
argv++;
}
}
path = Tcl_GetStartupScript(&encodingName);
if (path == NULL) {
Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
} else {
const char *pathName = Tcl_GetStringFromObj(path, &length);
Tcl_ExternalToUtfDString(NULL, pathName, length, &appName);
path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
Tcl_SetStartupScript(path, encodingName);
}
Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY);
Tcl_DStringFree(&appName);
argc--;
argv++;
Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);
argvPtr = Tcl_NewListObj(0, NULL);
while (argc--) {
Tcl_DString ds;
Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
Tcl_DStringFree(&ds);
}
Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);
/*
* Set the "tcl_interactive" variable.
*/
tty = isatty(0);
Tcl_SetVar(interp, "tcl_interactive", ((path == NULL) && tty) ? "1" : "0",
TCL_GLOBAL_ONLY);
/*
* Invoke application-specific initialization.
*/
Tcl_Preserve(interp);
if (appInitProc(interp) != TCL_OK) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteChars(errChannel,
"application-specific initialization failed: ", -1);
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
}
if (Tcl_InterpDeleted(interp)) {
goto done;
}
if (Tcl_LimitExceeded(interp)) {
goto done;
}
/*
* If a script file was specified then just source that file and quit.
* Must fetch it again, as the appInitProc might have reset it.
*/
path = Tcl_GetStartupScript(&encodingName);
if (path != NULL) {
code = Tcl_FSEvalFileEx(interp, path, encodingName);
if (code != TCL_OK) {
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_Obj *options = Tcl_GetReturnOptions(interp, code);
Tcl_Obj *keyPtr, *valuePtr;
TclNewLiteralStringObj(keyPtr, "-errorinfo");
Tcl_IncrRefCount(keyPtr);
Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr);
Tcl_DecrRefCount(keyPtr);
if (valuePtr) {
Tcl_WriteObj(errChannel, valuePtr);
}
Tcl_WriteChars(errChannel, "\n", 1);
}
exitCode = 1;
}
goto done;
}
/*
* We're running interactively. Source a user-specific startup file if the
* application specified one and if the file exists.
*/
Tcl_SourceRCFile(interp);
if (Tcl_LimitExceeded(interp)) {
goto done;
}
/*
* Process commands from stdin until there's an end-of-file. Note that we
* need to fetch the standard channels again after every eval, since they
* may have been changed.
*/
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
/*
* Get a new value for tty if anyone writes to ::tcl_interactive
*/
Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty, TCL_LINK_BOOLEAN);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
while ((inChannel != NULL) && !Tcl_InterpDeleted(interp)) {
if (mainLoopProc == NULL) {
if (tty) {
Prompt(interp, &prompt);
if (Tcl_InterpDeleted(interp)) {
break;
}
if (Tcl_LimitExceeded(interp)) {
break;
}
inChannel = Tcl_GetStdChannel(TCL_STDIN);
if (inChannel == NULL) {
break;
}
}
if (Tcl_IsShared(commandPtr)) {
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_DuplicateObj(commandPtr);
Tcl_IncrRefCount(commandPtr);
}
length = Tcl_GetsObj(inChannel, commandPtr);
if (length < 0) {
if (Tcl_InputBlocked(inChannel)) {
/*
* This can only happen if stdin has been set to
* non-blocking. In that case cycle back and try again.
* This sets up a tight polling loop (since we have no
* event loop running). If this causes bad CPU hogging, we
* might try toggling the blocking on stdin instead.
*/
continue;
}
/*
* Either EOF, or an error on stdin; we're done
*/
break;
}
/*
* Add the newline removed by Tcl_GetsObj back to the string. Have
* to add it back before testing completeness, because it can make
* a difference. [Bug 1775878]
*/
if (Tcl_IsShared(commandPtr)) {
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_DuplicateObj(commandPtr);
Tcl_IncrRefCount(commandPtr);
}
Tcl_AppendToObj(commandPtr, "\n", 1);
if (!TclObjCommandComplete(commandPtr)) {
prompt = PROMPT_CONTINUE;
continue;
}
prompt = PROMPT_START;
/*
* The final newline is syntactically redundant, and causes some
* error messages troubles deeper in, so lop it back off.
*/
Tcl_GetStringFromObj(commandPtr, &length);
Tcl_SetObjLength(commandPtr, --length);
code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL);
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
if (code != TCL_OK) {
if (errChannel) {
Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
Tcl_WriteChars(errChannel, "\n", 1);
}
} else if (tty) {
resultPtr = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(resultPtr);
Tcl_GetStringFromObj(resultPtr, &length);
if ((length > 0) && outChannel) {
Tcl_WriteObj(outChannel, resultPtr);
Tcl_WriteChars(outChannel, "\n", 1);
}
Tcl_DecrRefCount(resultPtr);
}
} else { /* (mainLoopProc != NULL) */
/*
* If a main loop has been defined while running interactively, we
* want to start a fileevent based prompt by establishing a
* channel handler for stdin.
*/
InteractiveState *isPtr = NULL;
if (inChannel) {
if (tty) {
Prompt(interp, &prompt);
}
isPtr = (InteractiveState *)
ckalloc(sizeof(InteractiveState));
isPtr->input = inChannel;
isPtr->tty = tty;
isPtr->commandPtr = commandPtr;
isPtr->prompt = prompt;
isPtr->interp = interp;
Tcl_UnlinkVar(interp, "tcl_interactive");
Tcl_LinkVar(interp, "tcl_interactive", (char *) &(isPtr->tty),
TCL_LINK_BOOLEAN);
Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
isPtr);
}
mainLoopProc();
mainLoopProc = NULL;
if (inChannel) {
tty = isPtr->tty;
Tcl_UnlinkVar(interp, "tcl_interactive");
Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty,
TCL_LINK_BOOLEAN);
prompt = isPtr->prompt;
commandPtr = isPtr->commandPtr;
if (isPtr->input != NULL) {
Tcl_DeleteChannelHandler(isPtr->input, StdinProc, isPtr);
}
ckfree((char *) isPtr);
}
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
}
#ifdef TCL_MEM_DEBUG
/*
* This code here only for the (unsupported and deprecated) [checkmem]
* command.
*/
if (tclMemDumpFileName != NULL) {
mainLoopProc = NULL;
Tcl_DeleteInterp(interp);
}
#endif
}
done:
if ((exitCode == 0) && (mainLoopProc != NULL)
&& !Tcl_LimitExceeded(interp)) {
/*
* If everything has gone OK so far, call the main loop proc, if it
* exists. Packages (like Tk) can set it to start processing events at
* this point.
*/
mainLoopProc();
mainLoopProc = NULL;
}
if (commandPtr != NULL) {
Tcl_DecrRefCount(commandPtr);
}
/*
* Rather than calling exit, invoke the "exit" command so that users can
* replace "exit" with some other command to do additional cleanup on
* exit. The Tcl_EvalObjEx call should never return.
*/
if (!Tcl_InterpDeleted(interp)) {
if (!Tcl_LimitExceeded(interp)) {
Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode);
Tcl_IncrRefCount(cmd);
Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL);
Tcl_DecrRefCount(cmd);
}
/*
* If Tcl_EvalObjEx returns, trying to eval [exit], something unusual
* is happening. Maybe interp has been deleted; maybe [exit] was
* redefined, maybe we've blown up because of an exceeded limit. We
* still want to cleanup and exit.
*/
if (!Tcl_InterpDeleted(interp)) {
Tcl_DeleteInterp(interp);
}
}
Tcl_SetStartupScript(NULL, NULL);
/*
* If we get here, the master interp has been deleted. Allow its
* destruction with the last matching Tcl_Release.
*/
Tcl_Release(interp);
Tcl_Exit(exitCode);
}
void
Tk_MainEx(
int argc, /* Number of arguments. */
TCHAR **argv, /* Array of argument strings. */
Tcl_AppInitProc *appInitProc,
/* Application-specific initialization
* function to call after most initialization
* but before starting to execute commands. */
Tcl_Interp *interp)
{
Tcl_Obj *path, *argvPtr, *appName;
const char *encodingName;
int code, nullStdin = 0;
Tcl_Channel chan;
InteractiveState is;
/*
* Ensure that we are getting a compatible version of Tcl. This is really
* only an issue when Tk is loaded dynamically.
*/
if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
abort();
}
#if defined(__WIN32__) && !defined(__WIN64__) && !defined(UNICODE) && !defined(STATIC_BUILD)
if (tclStubsPtr->reserved9) {
/* We are running win32 Tk under Cygwin, so let's check
* whether the env("DISPLAY") variable or the -display
* argument is set. If so, we really want to run the
* Tk_MainEx function of libtk8.?.dll, not this one. */
if (Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY)) {
loadCygwinTk:
if (TkCygwinMainEx(argc, argv, appInitProc, interp)) {
/* Should never reach here. */
return;
}
} else {
int i;
for (i = 1; i < argc; ++i) {
if (!_tcscmp(argv[i], TEXT("-display"))) {
goto loadCygwinTk;
}
}
}
}
#endif
Tcl_InitMemory(interp);
is.interp = interp;
is.gotPartial = 0;
Tcl_Preserve(interp);
#if defined(__WIN32__) && !defined(__CYGWIN__)
Tk_InitConsoleChannels(interp);
#endif
#ifdef MAC_OSX_TK
if (Tcl_GetStartupScript(NULL) == NULL) {
TkMacOSXDefaultStartupScript();
}
#endif
/*
* If the application has not already set a startup script, parse the
* first few command line arguments to determine the script path and
* encoding.
*/
if (NULL == Tcl_GetStartupScript(NULL)) {
size_t length;
/*
* Check whether first 3 args (argv[1] - argv[3]) look like
* -encoding ENCODING FILENAME
* or like
* FILENAME
* or like
* -file FILENAME (ancient history support only)
*/
if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
&& (TEXT('-') != argv[3][0])) {
Tcl_Obj *value = NewNativeObj(argv[2], -1);
Tcl_SetStartupScript(NewNativeObj(argv[3], -1), Tcl_GetString(value));
Tcl_DecrRefCount(value);
argc -= 3;
argv += 3;
} else if ((argc > 1) && (TEXT('-') != argv[1][0])) {
Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
argc--;
argv++;
} else if ((argc > 2) && (length = _tcslen(argv[1]))
&& (length > 1) && (0 == _tcsncmp(TEXT("-file"), argv[1], length))
&& (TEXT('-') != argv[2][0])) {
Tcl_SetStartupScript(NewNativeObj(argv[2], -1), NULL);
argc -= 2;
argv += 2;
}
}
path = Tcl_GetStartupScript(&encodingName);
if (path == NULL) {
appName = NewNativeObj(argv[0], -1);
} else {
appName = path;
}
Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY);
argc--;
argv++;
Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);
argvPtr = Tcl_NewListObj(0, NULL);
while (argc--) {
Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1));
}
Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);
/*
* Set the "tcl_interactive" variable.
*/
is.tty = isatty(0);
#if defined(MAC_OSX_TK)
/*
* On TkAqua, if we don't have a TTY and stdin is a special character file
* of length 0, (e.g. /dev/null, which is what Finder sets when double
* clicking Wish) then use the GUI console.
*/
if (!is.tty) {
struct stat st;
nullStdin = fstat(0, &st) || (S_ISCHR(st.st_mode) && !st.st_blocks);
}
#endif
Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
Tcl_NewIntObj(!path && (is.tty || nullStdin)), TCL_GLOBAL_ONLY);
/*
* Invoke application-specific initialization.
*/
if (appInitProc(interp) != TCL_OK) {
TkpDisplayWarning(Tcl_GetStringResult(interp),
"application-specific initialization failed");
}
/*
* Invoke the script specified on the command line, if any. Must fetch it
* again, as the appInitProc might have reset it.
*/
path = Tcl_GetStartupScript(&encodingName);
if (path != NULL) {
Tcl_ResetResult(interp);
code = Tcl_FSEvalFileEx(interp, path, encodingName);
if (code != TCL_OK) {
/*
* The following statement guarantees that the errorInfo variable
* is set properly.
*/
Tcl_AddErrorInfo(interp, "");
TkpDisplayWarning(Tcl_GetVar(interp, "errorInfo",
TCL_GLOBAL_ONLY), "Error in startup script");
Tcl_DeleteInterp(interp);
Tcl_Exit(1);
}
is.tty = 0;
} else {
/*
* Evaluate the .rc file, if one has been specified.
*/
Tcl_SourceRCFile(interp);
/*
* Establish a channel handler for stdin.
*/
is.input = Tcl_GetStdChannel(TCL_STDIN);
if (is.input) {
Tcl_CreateChannelHandler(is.input, TCL_READABLE, StdinProc, &is);
}
if (is.tty) {
Prompt(interp, &is);
}
}
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan) {
Tcl_Flush(chan);
}
Tcl_DStringInit(&is.command);
Tcl_DStringInit(&is.line);
Tcl_ResetResult(interp);
/*
* Loop infinitely, waiting for commands to execute. When there are no
* windows left, Tk_MainLoop returns and we exit.
*/
Tk_MainLoop();
Tcl_DeleteInterp(interp);
Tcl_Release(interp);
Tcl_SetStartupScript(NULL, NULL);
Tcl_Exit(0);
}
int TclTextInterp::evalString(const char *s) {
#if defined(VMD_NANOHUB)
if (Tcl_Eval(interp, s) != TCL_OK) {
#else
if (Tcl_RecordAndEval(interp, s, 0) != TCL_OK) {
#endif
// Don't print error message if there's nothing to show.
if (strlen(Tcl_GetStringResult(interp)))
msgErr << Tcl_GetStringResult(interp) << sendmsg;
return FALSE;
}
return TRUE;
}
void TclTextInterp::setString(const char *name, const char *val) {
if (interp)
Tcl_SetVar(interp, name, val,
TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG);
}
void TclTextInterp::setMap(const char *name, const char *key,
const char *val) {
if (interp)
Tcl_SetVar2(interp, name, key, val,
TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG);
}
// There's a fair amount of code duplication between doEvent and evalFile,
// maybe these could be combined somehow, say by having TclTextInterp keep
// track of its Tcl_Channel objects.
//
// Side note: Reading line-by-line gives different Tcl semantics than
// just calling Tcl_EvalFile. Shell commands (e.g., stty) are properly
// parsed when read line-by-line and passed to Tcl_RecordAndEval, but are
// unrecognized when contained in a file read by Tcl_EvalFile. I would
// consider this a bug.
int TclTextInterp::evalFile(const char *fname) {
Tcl_Channel inchannel = Tcl_OpenFileChannel(interp, fname, "r", 0644);
Tcl_Channel outchannel = Tcl_GetStdChannel(TCL_STDOUT);
if (inchannel == NULL) {
msgErr << "Error opening file " << fname << sendmsg;
msgErr << Tcl_GetStringResult(interp) << sendmsg;
return 1;
}
Tcl_Obj *cmdPtr = Tcl_NewObj();
Tcl_IncrRefCount(cmdPtr);
int length = 0;
while ((length = Tcl_GetsObj(inchannel, cmdPtr)) >= 0) {
Tcl_AppendToObj(cmdPtr, "\n", 1);
char *stringrep = Tcl_GetStringFromObj(cmdPtr, NULL);
if (!Tcl_CommandComplete(stringrep)) {
continue;
}
// check if "exit" was called
if (app->exitFlag) break;
#if defined(VMD_NANOHUB)
Tcl_EvalObjEx(interp, cmdPtr, 0);
#else
Tcl_RecordAndEvalObj(interp, cmdPtr, 0);
#endif
#if TCL_MINOR_VERSION >= 4
Tcl_DecrRefCount(cmdPtr);
cmdPtr = Tcl_NewObj();
Tcl_IncrRefCount(cmdPtr);
#else
// XXX this crashes Tcl 8.5.[46] with an internal panic
Tcl_SetObjLength(cmdPtr, 0);
#endif
// XXX this makes sure the display is updated
// after each line read from the file or pipe
// So, this is also where we'd optimise reading multiple
// lines at once
//
// In VR modes (CAVE, FreeVR, VR Juggler) the draw method will
// not be called from app->display_update(), so multiple lines
// of input could be combined in one frame, if possible
app->display_update();
Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
char *bytes = Tcl_GetStringFromObj(resultPtr, &length);
#if defined(VMDTKCON)
if (length > 0) {
vmdcon_append(VMDCON_ALWAYS, bytes,length);
vmdcon_append(VMDCON_ALWAYS, "\n", 1);
}
vmdcon_purge();
#else
if (length > 0) {
#if TCL_MINOR_VERSION >= 4
Tcl_WriteChars(outchannel, bytes, length);
Tcl_WriteChars(outchannel, "\n", 1);
#else
Tcl_Write(outchannel, bytes, length);
Tcl_Write(outchannel, "\n", 1);
#endif
}
Tcl_Flush(outchannel);
#endif
}
Tcl_Close(interp, inchannel);
Tcl_DecrRefCount(cmdPtr);
return 0;
}
void TclTextInterp::doEvent() {
if (!done_waiting())
return;
// no recursive calls to TclEvalObj; this prevents
// display update ui from messing up Tcl.
if (callLevel)
return;
Tcl_Channel inChannel = Tcl_GetStdChannel(TCL_STDIN);
Tcl_Channel outChannel = Tcl_GetStdChannel(TCL_STDOUT);
if (needPrompt && consoleisatty) {
#if TCL_MINOR_VERSION >= 4
if (gotPartial) {
Tcl_WriteChars(outChannel, "? ", -1);
} else {
Tcl_WriteChars(outChannel, VMD_CMD_PROMPT, -1);
}
#else
if (gotPartial) {
Tcl_Write(outChannel, "? ", -1);
} else {
Tcl_Write(outChannel, VMD_CMD_PROMPT, -1);
}
#endif
#if defined(VMDTKCON)
vmdcon_purge();
#endif
Tcl_Flush(outChannel);
needPrompt = 0;
}
#if defined(VMD_NANOHUB)
return;
#endif
//
// MPI builds of VMD cannot try to read any command input from the
// console because it creates shutdown problems, at least with MPICH.
// File-based command input is fine however.
//
// For the time being, the Android builds won't attempt to get any
// console input. Any input we're going to get is going to come via
// some means other than stdin, such as a network socket, text box, etc.
//
if (ignorestdin)
return;
if (!vmd_check_stdin())
return;
//
// event loop based on tclMain.c
//
// According to the Tcl docs, GetsObj returns -1 on error or EOF.
int length = Tcl_GetsObj(inChannel, commandPtr);
if (length < 0) {
if (Tcl_Eof(inChannel)) {
// exit if we're not a tty, or if eofexit is set
if ((!consoleisatty) || app->get_eofexit())
app->VMDexit("", 0, 0);
} else {
msgErr << "Error reading Tcl input: " << Tcl_ErrnoMsg(Tcl_GetErrno())
<< sendmsg;
}
return;
}
needPrompt = 1;
// add the newline removed by Tcl_GetsObj
Tcl_AppendToObj(commandPtr, "\n", 1);
char *stringrep = Tcl_GetStringFromObj(commandPtr, NULL);
if (!Tcl_CommandComplete(stringrep)) {
gotPartial = 1;
return;
}
gotPartial = 0;
callLevel++;
#if defined(VMD_NANOHUB)
Tcl_EvalObjEx(interp, commandPtr, 0);
#else
Tcl_RecordAndEvalObj(interp, commandPtr, 0);
#endif
callLevel--;
#if TCL_MINOR_VERSION >= 4
Tcl_DecrRefCount(commandPtr);
commandPtr = Tcl_NewObj();
Tcl_IncrRefCount(commandPtr);
#else
// XXX this crashes Tcl 8.5.[46] with an internal panic
Tcl_SetObjLength(commandPtr, 0);
#endif
// if ok, send to stdout; if not, send to stderr
Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
char *bytes = Tcl_GetStringFromObj(resultPtr, &length);
#if defined(VMDTKCON)
if (length > 0) {
vmdcon_append(VMDCON_ALWAYS, bytes,length);
vmdcon_append(VMDCON_ALWAYS, "\n", 1);
}
vmdcon_purge();
#else
if (length > 0) {
#if TCL_MINOR_VERSION >= 4
Tcl_WriteChars(outChannel, bytes, length);
Tcl_WriteChars(outChannel, "\n", 1);
#else
Tcl_Write(outChannel, bytes, length);
Tcl_Write(outChannel, "\n", 1);
#endif
}
Tcl_Flush(outChannel);
#endif
}
/* ARGSUSED */
static void
StdinProc(
ClientData clientData, /* The state of interactive cmd line */
int mask) /* Not used. */
{
char *cmd;
int code, count;
InteractiveState *isPtr = clientData;
Tcl_Channel chan = isPtr->input;
Tcl_Interp *interp = isPtr->interp;
count = Tcl_Gets(chan, &isPtr->line);
if (count < 0 && !isPtr->gotPartial) {
if (isPtr->tty) {
Tcl_Exit(0);
} else {
Tcl_DeleteChannelHandler(chan, StdinProc, isPtr);
}
return;
}
Tcl_DStringAppend(&isPtr->command, Tcl_DStringValue(&isPtr->line), -1);
cmd = Tcl_DStringAppend(&isPtr->command, "\n", -1);
Tcl_DStringFree(&isPtr->line);
if (!Tcl_CommandComplete(cmd)) {
isPtr->gotPartial = 1;
goto prompt;
}
isPtr->gotPartial = 0;
/*
* Disable the stdin channel handler while evaluating the command;
* otherwise if the command re-enters the event loop we might process
* commands from stdin before the current command is finished. Among other
* things, this will trash the text of the command being evaluated.
*/
Tcl_CreateChannelHandler(chan, 0, StdinProc, isPtr);
code = Tcl_RecordAndEval(interp, cmd, TCL_EVAL_GLOBAL);
isPtr->input = Tcl_GetStdChannel(TCL_STDIN);
if (isPtr->input) {
Tcl_CreateChannelHandler(isPtr->input, TCL_READABLE, StdinProc, isPtr);
}
Tcl_DStringFree(&isPtr->command);
if (Tcl_GetStringResult(interp)[0] != '\0') {
if ((code != TCL_OK) || (isPtr->tty)) {
chan = Tcl_GetStdChannel((code != TCL_OK) ? TCL_STDERR : TCL_STDOUT);
if (chan) {
Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
Tcl_WriteChars(chan, "\n", 1);
}
}
}
/*
* If a tty stdin is still around, output a prompt.
*/
prompt:
if (isPtr->tty && (isPtr->input != NULL)) {
Prompt(interp, isPtr);
}
Tcl_ResetResult(interp);
}
