#include "tclInt.h"
#include "tclPort.h"
#include <stdio.h>
static int aliasCounter = 0;
TCL_DECLARE_MUTEX(cntMutex)
typedef struct Alias {
Tcl_Obj *namePtr;
Tcl_Interp *targetInterp;
Tcl_Command slaveCmd;
Tcl_HashEntry *aliasEntryPtr;
Tcl_HashEntry *targetEntryPtr;
int objc;
Tcl_Obj *objPtr;
} Alias;
typedef struct Slave {
Tcl_Interp *masterInterp;
Tcl_HashEntry *slaveEntryPtr;
Tcl_Interp *slaveInterp;
Tcl_Command interpCmd;
Tcl_HashTable aliasTable;
} Slave;
typedef struct Target {
Tcl_Command slaveCmd;
Tcl_Interp *slaveInterp;
} Target;
typedef struct Master {
Tcl_HashTable slaveTable;
Tcl_HashTable targetTable;
} Master;
typedef struct InterpInfo {
Master master;
Slave slave;
} InterpInfo;
static int AliasCreate _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, Tcl_Interp *masterInterp,
Tcl_Obj *namePtr, Tcl_Obj *targetPtr, int objc,
Tcl_Obj *CONST objv[]));
static int AliasDelete _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, Tcl_Obj *namePtr));
static int AliasDescribe _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, Tcl_Obj *objPtr));
static int AliasList _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp));
static int AliasObjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *currentInterp, int objc,
Tcl_Obj *CONST objv[]));
static void AliasObjCmdDeleteProc _ANSI_ARGS_((
ClientData clientData));
static Tcl_Interp * GetInterp _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Obj *pathPtr));
static Tcl_Interp * GetInterp2 _ANSI_ARGS_((Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static void InterpInfoDeleteProc _ANSI_ARGS_((
ClientData clientData, Tcl_Interp *interp));
static Tcl_Interp * SlaveCreate _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Obj *pathPtr, int safe));
static int SlaveEval _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, int objc,
Tcl_Obj *CONST objv[]));
static int SlaveExpose _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, int objc,
Tcl_Obj *CONST objv[]));
static int SlaveHide _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, int objc,
Tcl_Obj *CONST objv[]));
static int SlaveHidden _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp));
static int SlaveInvokeHidden _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, int global, int objc,
Tcl_Obj *CONST objv[]));
static int SlaveMarkTrusted _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp));
static int SlaveObjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static void SlaveObjCmdDeleteProc _ANSI_ARGS_((
ClientData clientData));
static int SlaveRecursionLimit _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Interp *slaveInterp, int objc,
Tcl_Obj *CONST objv[]));
int
TclInterpInit(interp)
Tcl_Interp *interp;
{
InterpInfo *interpInfoPtr;
Master *masterPtr;
Slave *slavePtr;
interpInfoPtr = (InterpInfo *) ckalloc(sizeof(InterpInfo));
((Interp *) interp)->interpInfo = (ClientData) interpInfoPtr;
masterPtr = &interpInfoPtr->master;
Tcl_InitHashTable(&masterPtr->slaveTable, TCL_STRING_KEYS);
Tcl_InitHashTable(&masterPtr->targetTable, TCL_ONE_WORD_KEYS);
slavePtr = &interpInfoPtr->slave;
slavePtr->masterInterp = NULL;
slavePtr->slaveEntryPtr = NULL;
slavePtr->slaveInterp = interp;
slavePtr->interpCmd = NULL;
Tcl_InitHashTable(&slavePtr->aliasTable, TCL_STRING_KEYS);
Tcl_CreateObjCommand(interp, "interp", Tcl_InterpObjCmd, NULL, NULL);
Tcl_CallWhenDeleted(interp, InterpInfoDeleteProc, NULL);
return TCL_OK;
}
static void
InterpInfoDeleteProc(clientData, interp)
ClientData clientData;
Tcl_Interp *interp;
{
InterpInfo *interpInfoPtr;
Slave *slavePtr;
Master *masterPtr;
Tcl_HashSearch hSearch;
Tcl_HashEntry *hPtr;
Target *targetPtr;
interpInfoPtr = (InterpInfo *) ((Interp *) interp)->interpInfo;
masterPtr = &interpInfoPtr->master;
if (masterPtr->slaveTable.numEntries != 0) {
panic("InterpInfoDeleteProc: still exist commands");
}
Tcl_DeleteHashTable(&masterPtr->slaveTable);
hPtr = Tcl_FirstHashEntry(&masterPtr->targetTable, &hSearch);
while (hPtr != NULL) {
targetPtr = (Target *) Tcl_GetHashValue(hPtr);
Tcl_DeleteCommandFromToken(targetPtr->slaveInterp,
targetPtr->slaveCmd);
hPtr = Tcl_NextHashEntry(&hSearch);
}
Tcl_DeleteHashTable(&masterPtr->targetTable);
slavePtr = &interpInfoPtr->slave;
if (slavePtr->interpCmd != NULL) {
slavePtr->slaveInterp = NULL;
Tcl_DeleteCommandFromToken(slavePtr->masterInterp,
slavePtr->interpCmd);
}
if (slavePtr->aliasTable.numEntries != 0) {
panic("InterpInfoDeleteProc: still exist aliases");
}
Tcl_DeleteHashTable(&slavePtr->aliasTable);
ckfree((char *) interpInfoPtr);
}
int
Tcl_InterpObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
int index;
static CONST char *options[] = {
"alias", "aliases", "create", "delete",
"eval", "exists", "expose", "hide",
"hidden", "issafe", "invokehidden", "marktrusted",
"recursionlimit", "slaves", "share",
"target", "transfer",
NULL
};
enum option {
OPT_ALIAS, OPT_ALIASES, OPT_CREATE, OPT_DELETE,
OPT_EVAL, OPT_EXISTS, OPT_EXPOSE, OPT_HIDE,
OPT_HIDDEN, OPT_ISSAFE, OPT_INVOKEHID, OPT_MARKTRUSTED,
OPT_RECLIMIT, OPT_SLAVES, OPT_SHARE,
OPT_TARGET, OPT_TRANSFER
};
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "cmd ?arg ...?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum option) index) {
case OPT_ALIAS: {
Tcl_Interp *slaveInterp, *masterInterp;
if (objc < 4) {
aliasArgs:
Tcl_WrongNumArgs(interp, 2, objv,
"slavePath slaveCmd ?masterPath masterCmd? ?args ..?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == (Tcl_Interp *) NULL) {
return TCL_ERROR;
}
if (objc == 4) {
return AliasDescribe(interp, slaveInterp, objv[3]);
}
if ((objc == 5) && (Tcl_GetString(objv[4])[0] == '\0')) {
return AliasDelete(interp, slaveInterp, objv[3]);
}
if (objc > 5) {
masterInterp = GetInterp(interp, objv[4]);
if (masterInterp == (Tcl_Interp *) NULL) {
return TCL_ERROR;
}
if (Tcl_GetString(objv[5])[0] == '\0') {
if (objc == 6) {
return AliasDelete(interp, slaveInterp, objv[3]);
}
} else {
return AliasCreate(interp, slaveInterp, masterInterp,
objv[3], objv[5], objc - 6, objv + 6);
}
}
goto aliasArgs;
}
case OPT_ALIASES: {
Tcl_Interp *slaveInterp;
slaveInterp = GetInterp2(interp, objc, objv);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return AliasList(interp, slaveInterp);
}
case OPT_CREATE: {
int i, last, safe;
Tcl_Obj *slavePtr;
char buf[16 + TCL_INTEGER_SPACE];
static CONST char *options[] = {
"-safe", "--", NULL
};
enum option {
OPT_SAFE, OPT_LAST
};
safe = Tcl_IsSafe(interp);
slavePtr = NULL;
last = 0;
for (i = 2; i < objc; i++) {
if ((last == 0) && (Tcl_GetString(objv[i])[0] == '-')) {
if (Tcl_GetIndexFromObj(interp, objv[i], options, "option",
0, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_SAFE) {
safe = 1;
continue;
}
i++;
last = 1;
}
if (slavePtr != NULL) {
Tcl_WrongNumArgs(interp, 2, objv, "?-safe? ?--? ?path?");
return TCL_ERROR;
}
slavePtr = objv[i];
}
buf[0] = '\0';
if (slavePtr == NULL) {
for (i = 0; ; i++) {
Tcl_CmdInfo cmdInfo;
sprintf(buf, "interp%d", i);
if (Tcl_GetCommandInfo(interp, buf, &cmdInfo) == 0) {
break;
}
}
slavePtr = Tcl_NewStringObj(buf, -1);
}
if (SlaveCreate(interp, slavePtr, safe) == NULL) {
if (buf[0] != '\0') {
Tcl_DecrRefCount(slavePtr);
}
return TCL_ERROR;
}
Tcl_SetObjResult(interp, slavePtr);
return TCL_OK;
}
case OPT_DELETE: {
int i;
InterpInfo *iiPtr;
Tcl_Interp *slaveInterp;
for (i = 2; i < objc; i++) {
slaveInterp = GetInterp(interp, objv[i]);
if (slaveInterp == NULL) {
return TCL_ERROR;
} else if (slaveInterp == interp) {
Tcl_ResetResult(interp);
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"cannot delete the current interpreter",
(char *) NULL);
return TCL_ERROR;
}
iiPtr = (InterpInfo *) ((Interp *) slaveInterp)->interpInfo;
Tcl_DeleteCommandFromToken(iiPtr->slave.masterInterp,
iiPtr->slave.interpCmd);
}
return TCL_OK;
}
case OPT_EVAL: {
Tcl_Interp *slaveInterp;
if (objc < 4) {
Tcl_WrongNumArgs(interp, 2, objv, "path arg ?arg ...?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return SlaveEval(interp, slaveInterp, objc - 3, objv + 3);
}
case OPT_EXISTS: {
int exists;
Tcl_Interp *slaveInterp;
exists = 1;
slaveInterp = GetInterp2(interp, objc, objv);
if (slaveInterp == NULL) {
if (objc > 3) {
return TCL_ERROR;
}
Tcl_ResetResult(interp);
exists = 0;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), exists);
return TCL_OK;
}
case OPT_EXPOSE: {
Tcl_Interp *slaveInterp;
if ((objc < 4) || (objc > 5)) {
Tcl_WrongNumArgs(interp, 2, objv,
"path hiddenCmdName ?cmdName?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return SlaveExpose(interp, slaveInterp, objc - 3, objv + 3);
}
case OPT_HIDE: {
Tcl_Interp *slaveInterp;
if ((objc < 4) || (objc > 5)) {
Tcl_WrongNumArgs(interp, 2, objv,
"path cmdName ?hiddenCmdName?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == (Tcl_Interp *) NULL) {
return TCL_ERROR;
}
return SlaveHide(interp, slaveInterp, objc - 3, objv + 3);
}
case OPT_HIDDEN: {
Tcl_Interp *slaveInterp;
slaveInterp = GetInterp2(interp, objc, objv);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return SlaveHidden(interp, slaveInterp);
}
case OPT_ISSAFE: {
Tcl_Interp *slaveInterp;
slaveInterp = GetInterp2(interp, objc, objv);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), Tcl_IsSafe(slaveInterp));
return TCL_OK;
}
case OPT_INVOKEHID: {
int i, index, global;
Tcl_Interp *slaveInterp;
static CONST char *hiddenOptions[] = {
"-global", "--", NULL
};
enum hiddenOption {
OPT_GLOBAL, OPT_LAST
};
global = 0;
for (i = 3; i < objc; i++) {
if (Tcl_GetString(objv[i])[0] != '-') {
break;
}
if (Tcl_GetIndexFromObj(interp, objv[i], hiddenOptions,
"option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_GLOBAL) {
global = 1;
} else {
i++;
break;
}
}
if (objc - i < 1) {
Tcl_WrongNumArgs(interp, 2, objv,
"path ?-global? ?--? cmd ?arg ..?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == (Tcl_Interp *) NULL) {
return TCL_ERROR;
}
return SlaveInvokeHidden(interp, slaveInterp, global, objc - i,
objv + i);
}
case OPT_MARKTRUSTED: {
Tcl_Interp *slaveInterp;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "path");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return SlaveMarkTrusted(interp, slaveInterp);
}
case OPT_RECLIMIT: {
Tcl_Interp *slaveInterp;
if (objc != 3 && objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "path ?newlimit?");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
return SlaveRecursionLimit(interp, slaveInterp, objc - 3, objv + 3);
}
case OPT_SLAVES: {
Tcl_Interp *slaveInterp;
InterpInfo *iiPtr;
Tcl_Obj *resultPtr;
Tcl_HashEntry *hPtr;
Tcl_HashSearch hashSearch;
char *string;
slaveInterp = GetInterp2(interp, objc, objv);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
iiPtr = (InterpInfo *) ((Interp *) slaveInterp)->interpInfo;
resultPtr = Tcl_GetObjResult(interp);
hPtr = Tcl_FirstHashEntry(&iiPtr->master.slaveTable, &hashSearch);
for ( ; hPtr != NULL; hPtr = Tcl_NextHashEntry(&hashSearch)) {
string = Tcl_GetHashKey(&iiPtr->master.slaveTable, hPtr);
Tcl_ListObjAppendElement(NULL, resultPtr,
Tcl_NewStringObj(string, -1));
}
return TCL_OK;
}
case OPT_SHARE: {
Tcl_Interp *slaveInterp;
Tcl_Interp *masterInterp;
Tcl_Channel chan;
if (objc != 5) {
Tcl_WrongNumArgs(interp, 2, objv, "srcPath channelId destPath");
return TCL_ERROR;
}
masterInterp = GetInterp(interp, objv[2]);
if (masterInterp == NULL) {
return TCL_ERROR;
}
chan = Tcl_GetChannel(masterInterp, Tcl_GetString(objv[3]),
NULL);
if (chan == NULL) {
TclTransferResult(masterInterp, TCL_OK, interp);
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[4]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
Tcl_RegisterChannel(slaveInterp, chan);
return TCL_OK;
}
case OPT_TARGET: {
Tcl_Interp *slaveInterp;
InterpInfo *iiPtr;
Tcl_HashEntry *hPtr;
Alias *aliasPtr;
char *aliasName;
if (objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "path alias");
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[2]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
aliasName = Tcl_GetString(objv[3]);
iiPtr = (InterpInfo *) ((Interp *) slaveInterp)->interpInfo;
hPtr = Tcl_FindHashEntry(&iiPtr->slave.aliasTable, aliasName);
if (hPtr == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"alias \"", aliasName, "\" in path \"",
Tcl_GetString(objv[2]), "\" not found",
(char *) NULL);
return TCL_ERROR;
}
aliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
if (Tcl_GetInterpPath(interp, aliasPtr->targetInterp) != TCL_OK) {
Tcl_ResetResult(interp);
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"target interpreter for alias \"", aliasName,
"\" in path \"", Tcl_GetString(objv[2]),
"\" is not my descendant", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
case OPT_TRANSFER: {
Tcl_Interp *slaveInterp;
Tcl_Interp *masterInterp;
Tcl_Channel chan;
if (objc != 5) {
Tcl_WrongNumArgs(interp, 2, objv,
"srcPath channelId destPath");
return TCL_ERROR;
}
masterInterp = GetInterp(interp, objv[2]);
if (masterInterp == NULL) {
return TCL_ERROR;
}
chan = Tcl_GetChannel(masterInterp, Tcl_GetString(objv[3]), NULL);
if (chan == NULL) {
TclTransferResult(masterInterp, TCL_OK, interp);
return TCL_ERROR;
}
slaveInterp = GetInterp(interp, objv[4]);
if (slaveInterp == NULL) {
return TCL_ERROR;
}
Tcl_RegisterChannel(slaveInterp, chan);
if (Tcl_UnregisterChannel(masterInterp, chan) != TCL_OK) {
TclTransferResult(masterInterp, TCL_OK, interp);
return TCL_ERROR;
}
return TCL_OK;
}
}
return TCL_OK;
}
static Tcl_Interp *
GetInterp2(interp, objc, objv)
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
if (objc == 2) {
return interp;
} else if (objc == 3) {
return GetInterp(interp, objv[2]);
} else {
Tcl_WrongNumArgs(interp, 2, objv, "?path?");
return NULL;
}
}
int
Tcl_CreateAlias(slaveInterp, slaveCmd, targetInterp, targetCmd, argc, argv)
Tcl_Interp *slaveInterp;
CONST char *slaveCmd;
Tcl_Interp *targetInterp;
CONST char *targetCmd;
int argc;
CONST char * CONST *argv;
{
Tcl_Obj *slaveObjPtr, *targetObjPtr;
Tcl_Obj **objv;
int i;
int result;
objv = (Tcl_Obj **) ckalloc((unsigned) sizeof(Tcl_Obj *) * argc);
for (i = 0; i < argc; i++) {
objv[i] = Tcl_NewStringObj(argv[i], -1);
Tcl_IncrRefCount(objv[i]);
}
slaveObjPtr = Tcl_NewStringObj(slaveCmd, -1);
Tcl_IncrRefCount(slaveObjPtr);
targetObjPtr = Tcl_NewStringObj(targetCmd, -1);
Tcl_IncrRefCount(targetObjPtr);
result = AliasCreate(slaveInterp, slaveInterp, targetInterp, slaveObjPtr,
targetObjPtr, argc, objv);
for (i = 0; i < argc; i++) {
Tcl_DecrRefCount(objv[i]);
}
ckfree((char *) objv);
Tcl_DecrRefCount(targetObjPtr);
Tcl_DecrRefCount(slaveObjPtr);
return result;
}
int
Tcl_CreateAliasObj(slaveInterp, slaveCmd, targetInterp, targetCmd, objc, objv)
Tcl_Interp *slaveInterp;
CONST char *slaveCmd;
Tcl_Interp *targetInterp;
CONST char *targetCmd;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Obj *slaveObjPtr, *targetObjPtr;
int result;
slaveObjPtr = Tcl_NewStringObj(slaveCmd, -1);
Tcl_IncrRefCount(slaveObjPtr);
targetObjPtr = Tcl_NewStringObj(targetCmd, -1);
Tcl_IncrRefCount(targetObjPtr);
result = AliasCreate(slaveInterp, slaveInterp, targetInterp, slaveObjPtr,
targetObjPtr, objc, objv);
Tcl_DecrRefCount(slaveObjPtr);
Tcl_DecrRefCount(targetObjPtr);
return result;
}
int
Tcl_GetAlias(interp, aliasName, targetInterpPtr, targetNamePtr, argcPtr,
argvPtr)
Tcl_Interp *interp;
CONST char *aliasName;
Tcl_Interp **targetInterpPtr;
CONST char **targetNamePtr;
int *argcPtr;
CONST char ***argvPtr;
{
InterpInfo *iiPtr;
Tcl_HashEntry *hPtr;
Alias *aliasPtr;
int i, objc;
Tcl_Obj **objv;
iiPtr = (InterpInfo *) ((Interp *) interp)->interpInfo;
hPtr = Tcl_FindHashEntry(&iiPtr->slave.aliasTable, aliasName);
if (hPtr == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"alias \"", aliasName, "\" not found", (char *) NULL);
return TCL_ERROR;
}
aliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
objc = aliasPtr->objc;
objv = &aliasPtr->objPtr;
if (targetInterpPtr != NULL) {
*targetInterpPtr = aliasPtr->targetInterp;
}
if (targetNamePtr != NULL) {
*targetNamePtr = Tcl_GetString(objv[0]);
}
if (argcPtr != NULL) {
*argcPtr = objc - 1;
}
if (argvPtr != NULL) {
*argvPtr = (CONST char **)
ckalloc((unsigned) sizeof(CONST char *) * (objc - 1));
for (i = 1; i < objc; i++) {
*argvPtr[i - 1] = Tcl_GetString(objv[i]);
}
}
return TCL_OK;
}
int
Tcl_GetAliasObj(interp, aliasName, targetInterpPtr, targetNamePtr, objcPtr,
objvPtr)
Tcl_Interp *interp;
CONST char *aliasName;
Tcl_Interp **targetInterpPtr;
CONST char **targetNamePtr;
int *objcPtr;
Tcl_Obj ***objvPtr;
{
InterpInfo *iiPtr;
Tcl_HashEntry *hPtr;
Alias *aliasPtr;
int objc;
Tcl_Obj **objv;
iiPtr = (InterpInfo *) ((Interp *) interp)->interpInfo;
hPtr = Tcl_FindHashEntry(&iiPtr->slave.aliasTable, aliasName);
if (hPtr == (Tcl_HashEntry *) NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"alias \"", aliasName, "\" not found", (char *) NULL);
return TCL_ERROR;
}
aliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
objc = aliasPtr->objc;
objv = &aliasPtr->objPtr;
if (targetInterpPtr != (Tcl_Interp **) NULL) {
*targetInterpPtr = aliasPtr->targetInterp;
}
if (targetNamePtr != (CONST char **) NULL) {
*targetNamePtr = Tcl_GetString(objv[0]);
}
if (objcPtr != (int *) NULL) {
*objcPtr = objc - 1;
}
if (objvPtr != (Tcl_Obj ***) NULL) {
*objvPtr = objv + 1;
}
return TCL_OK;
}
int
TclPreventAliasLoop(interp, cmdInterp, cmd)
Tcl_Interp *interp;
Tcl_Interp *cmdInterp;
Tcl_Command cmd;
{
Command *cmdPtr = (Command *) cmd;
Alias *aliasPtr, *nextAliasPtr;
Tcl_Command aliasCmd;
Command *aliasCmdPtr;
if (cmdPtr->objProc != AliasObjCmd) {
return TCL_OK;
}
aliasPtr = (Alias *) cmdPtr->objClientData;
nextAliasPtr = aliasPtr;
while (1) {
Tcl_Obj *cmdNamePtr;
cmdNamePtr = nextAliasPtr->objPtr;
aliasCmd = Tcl_FindCommand(nextAliasPtr->targetInterp,
Tcl_GetString(cmdNamePtr),
Tcl_GetGlobalNamespace(nextAliasPtr->targetInterp),
0);
if (aliasCmd == (Tcl_Command) NULL) {
return TCL_OK;
}
aliasCmdPtr = (Command *) aliasCmd;
if (aliasCmdPtr == cmdPtr) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"cannot define or rename alias \"",
Tcl_GetString(aliasPtr->namePtr),
"\": would create a loop", (char *) NULL);
return TCL_ERROR;
}
if (aliasCmdPtr->objProc != AliasObjCmd) {
return TCL_OK;
}
nextAliasPtr = (Alias *) aliasCmdPtr->objClientData;
}
}
static int
AliasCreate(interp, slaveInterp, masterInterp, namePtr, targetNamePtr,
objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
Tcl_Interp *masterInterp;
Tcl_Obj *namePtr;
Tcl_Obj *targetNamePtr;
int objc;
Tcl_Obj *CONST objv[];
{
Alias *aliasPtr;
Tcl_HashEntry *hPtr;
int new;
Target *targetPtr;
Slave *slavePtr;
Master *masterPtr;
int i;
Tcl_Obj **prefv;
aliasPtr = (Alias *) ckalloc((unsigned) (sizeof(Alias)
+ objc * sizeof(Tcl_Obj *)));
aliasPtr->namePtr = namePtr;
Tcl_IncrRefCount(aliasPtr->namePtr);
aliasPtr->targetInterp = masterInterp;
aliasPtr->objc = objc + 1;
prefv = &aliasPtr->objPtr;
*prefv = targetNamePtr;
Tcl_IncrRefCount(targetNamePtr);
for (i = 0; i < objc; i++) {
*(++prefv) = objv[i];
Tcl_IncrRefCount(objv[i]);
}
aliasPtr->slaveCmd = Tcl_CreateObjCommand(slaveInterp,
Tcl_GetString(namePtr), AliasObjCmd, (ClientData) aliasPtr,
AliasObjCmdDeleteProc);
if (TclPreventAliasLoop(interp, slaveInterp, aliasPtr->slaveCmd) != TCL_OK) {
Command *cmdPtr;
Tcl_DecrRefCount(aliasPtr->namePtr);
Tcl_DecrRefCount(targetNamePtr);
for (i = 0; i < objc; i++) {
Tcl_DecrRefCount(objv[i]);
}
cmdPtr = (Command *) aliasPtr->slaveCmd;
cmdPtr->clientData = NULL;
cmdPtr->deleteProc = NULL;
cmdPtr->deleteData = NULL;
Tcl_DeleteCommandFromToken(slaveInterp, aliasPtr->slaveCmd);
ckfree((char *) aliasPtr);
return TCL_ERROR;
}
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
while (1) {
Alias *oldAliasPtr;
char *string;
string = Tcl_GetString(namePtr);
hPtr = Tcl_CreateHashEntry(&slavePtr->aliasTable, string, &new);
if (new != 0) {
break;
}
oldAliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
Tcl_DeleteCommandFromToken(slaveInterp, oldAliasPtr->slaveCmd);
}
aliasPtr->aliasEntryPtr = hPtr;
Tcl_SetHashValue(hPtr, (ClientData) aliasPtr);
targetPtr = (Target *) ckalloc((unsigned) sizeof(Target));
targetPtr->slaveCmd = aliasPtr->slaveCmd;
targetPtr->slaveInterp = slaveInterp;
Tcl_MutexLock(&cntMutex);
masterPtr = &((InterpInfo *) ((Interp *) masterInterp)->interpInfo)->master;
do {
hPtr = Tcl_CreateHashEntry(&masterPtr->targetTable,
(char *) aliasCounter, &new);
aliasCounter++;
} while (new == 0);
Tcl_MutexUnlock(&cntMutex);
Tcl_SetHashValue(hPtr, (ClientData) targetPtr);
aliasPtr->targetEntryPtr = hPtr;
Tcl_SetObjResult(interp, namePtr);
return TCL_OK;
}
static int
AliasDelete(interp, slaveInterp, namePtr)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
Tcl_Obj *namePtr;
{
Slave *slavePtr;
Alias *aliasPtr;
Tcl_HashEntry *hPtr;
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
hPtr = Tcl_FindHashEntry(&slavePtr->aliasTable, Tcl_GetString(namePtr));
if (hPtr == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), "alias \"",
Tcl_GetString(namePtr), "\" not found", NULL);
return TCL_ERROR;
}
aliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
Tcl_DeleteCommandFromToken(slaveInterp, aliasPtr->slaveCmd);
return TCL_OK;
}
static int
AliasDescribe(interp, slaveInterp, namePtr)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
Tcl_Obj *namePtr;
{
Slave *slavePtr;
Tcl_HashEntry *hPtr;
Alias *aliasPtr;
Tcl_Obj *prefixPtr;
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
hPtr = Tcl_FindHashEntry(&slavePtr->aliasTable, Tcl_GetString(namePtr));
if (hPtr == NULL) {
return TCL_OK;
}
aliasPtr = (Alias *) Tcl_GetHashValue(hPtr);
prefixPtr = Tcl_NewListObj(aliasPtr->objc, &aliasPtr->objPtr);
Tcl_SetObjResult(interp, prefixPtr);
return TCL_OK;
}
static int
AliasList(interp, slaveInterp)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
{
Tcl_HashEntry *entryPtr;
Tcl_HashSearch hashSearch;
Tcl_Obj *resultPtr;
Alias *aliasPtr;
Slave *slavePtr;
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
resultPtr = Tcl_GetObjResult(interp);
entryPtr = Tcl_FirstHashEntry(&slavePtr->aliasTable, &hashSearch);
for ( ; entryPtr != NULL; entryPtr = Tcl_NextHashEntry(&hashSearch)) {
aliasPtr = (Alias *) Tcl_GetHashValue(entryPtr);
Tcl_ListObjAppendElement(NULL, resultPtr, aliasPtr->namePtr);
}
return TCL_OK;
}
static int
AliasObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
#define ALIAS_CMDV_PREALLOC 10
Tcl_Interp *targetInterp;
Alias *aliasPtr;
int result, prefc, cmdc;
Tcl_Obj **prefv, **cmdv;
Tcl_Obj *cmdArr[ALIAS_CMDV_PREALLOC];
aliasPtr = (Alias *) clientData;
targetInterp = aliasPtr->targetInterp;
prefc = aliasPtr->objc;
prefv = &aliasPtr->objPtr;
cmdc = prefc + objc - 1;
if (cmdc <= ALIAS_CMDV_PREALLOC) {
cmdv = cmdArr;
} else {
cmdv = (Tcl_Obj **) ckalloc((unsigned) (cmdc * sizeof(Tcl_Obj *)));
}
prefv = &aliasPtr->objPtr;
memcpy((VOID *) cmdv, (VOID *) prefv,
(size_t) (prefc * sizeof(Tcl_Obj *)));
memcpy((VOID *) (cmdv+prefc), (VOID *) (objv+1),
(size_t) ((objc-1) * sizeof(Tcl_Obj *)));
Tcl_ResetResult(targetInterp);
if (targetInterp != interp) {
Tcl_Preserve((ClientData) targetInterp);
result = Tcl_EvalObjv(targetInterp, cmdc, cmdv, TCL_EVAL_INVOKE);
TclTransferResult(targetInterp, result, interp);
Tcl_Release((ClientData) targetInterp);
} else {
result = Tcl_EvalObjv(targetInterp, cmdc, cmdv, TCL_EVAL_INVOKE);
}
if (cmdv != cmdArr) {
ckfree((char *) cmdv);
}
return result;
#undef ALIAS_CMDV_PREALLOC
}
static void
AliasObjCmdDeleteProc(clientData)
ClientData clientData;
{
Alias *aliasPtr;
Target *targetPtr;
int i;
Tcl_Obj **objv;
aliasPtr = (Alias *) clientData;
Tcl_DecrRefCount(aliasPtr->namePtr);
objv = &aliasPtr->objPtr;
for (i = 0; i < aliasPtr->objc; i++) {
Tcl_DecrRefCount(objv[i]);
}
Tcl_DeleteHashEntry(aliasPtr->aliasEntryPtr);
targetPtr = (Target *) Tcl_GetHashValue(aliasPtr->targetEntryPtr);
ckfree((char *) targetPtr);
Tcl_DeleteHashEntry(aliasPtr->targetEntryPtr);
ckfree((char *) aliasPtr);
}
Tcl_Interp *
Tcl_CreateSlave(interp, slavePath, isSafe)
Tcl_Interp *interp;
CONST char *slavePath;
int isSafe;
{
Tcl_Obj *pathPtr;
Tcl_Interp *slaveInterp;
pathPtr = Tcl_NewStringObj(slavePath, -1);
slaveInterp = SlaveCreate(interp, pathPtr, isSafe);
Tcl_DecrRefCount(pathPtr);
return slaveInterp;
}
Tcl_Interp *
Tcl_GetSlave(interp, slavePath)
Tcl_Interp *interp;
CONST char *slavePath;
{
Tcl_Obj *pathPtr;
Tcl_Interp *slaveInterp;
pathPtr = Tcl_NewStringObj(slavePath, -1);
slaveInterp = GetInterp(interp, pathPtr);
Tcl_DecrRefCount(pathPtr);
return slaveInterp;
}
Tcl_Interp *
Tcl_GetMaster(interp)
Tcl_Interp *interp;
{
Slave *slavePtr;
if (interp == (Tcl_Interp *) NULL) {
return NULL;
}
slavePtr = &((InterpInfo *) ((Interp *) interp)->interpInfo)->slave;
return slavePtr->masterInterp;
}
int
Tcl_GetInterpPath(askingInterp, targetInterp)
Tcl_Interp *askingInterp;
Tcl_Interp *targetInterp;
{
InterpInfo *iiPtr;
if (targetInterp == askingInterp) {
return TCL_OK;
}
if (targetInterp == NULL) {
return TCL_ERROR;
}
iiPtr = (InterpInfo *) ((Interp *) targetInterp)->interpInfo;
if (Tcl_GetInterpPath(askingInterp, iiPtr->slave.masterInterp) != TCL_OK) {
return TCL_ERROR;
}
Tcl_AppendElement(askingInterp,
Tcl_GetHashKey(&iiPtr->master.slaveTable,
iiPtr->slave.slaveEntryPtr));
return TCL_OK;
}
static Tcl_Interp *
GetInterp(interp, pathPtr)
Tcl_Interp *interp;
Tcl_Obj *pathPtr;
{
Tcl_HashEntry *hPtr;
Slave *slavePtr;
Tcl_Obj **objv;
int objc, i;
Tcl_Interp *searchInterp;
InterpInfo *masterInfoPtr;
if (Tcl_ListObjGetElements(interp, pathPtr, &objc, &objv) != TCL_OK) {
return NULL;
}
searchInterp = interp;
for (i = 0; i < objc; i++) {
masterInfoPtr = (InterpInfo *) ((Interp *) searchInterp)->interpInfo;
hPtr = Tcl_FindHashEntry(&masterInfoPtr->master.slaveTable,
Tcl_GetString(objv[i]));
if (hPtr == NULL) {
searchInterp = NULL;
break;
}
slavePtr = (Slave *) Tcl_GetHashValue(hPtr);
searchInterp = slavePtr->slaveInterp;
if (searchInterp == NULL) {
break;
}
}
if (searchInterp == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"could not find interpreter \"",
Tcl_GetString(pathPtr), "\"", (char *) NULL);
}
return searchInterp;
}
static Tcl_Interp *
SlaveCreate(interp, pathPtr, safe)
Tcl_Interp *interp;
Tcl_Obj *pathPtr;
int safe;
{
Tcl_Interp *masterInterp, *slaveInterp;
Slave *slavePtr;
InterpInfo *masterInfoPtr;
Tcl_HashEntry *hPtr;
char *path;
int new, objc;
Tcl_Obj **objv;
if (Tcl_ListObjGetElements(interp, pathPtr, &objc, &objv) != TCL_OK) {
return NULL;
}
if (objc < 2) {
masterInterp = interp;
path = Tcl_GetString(pathPtr);
} else {
Tcl_Obj *objPtr;
objPtr = Tcl_NewListObj(objc - 1, objv);
masterInterp = GetInterp(interp, objPtr);
Tcl_DecrRefCount(objPtr);
if (masterInterp == NULL) {
return NULL;
}
path = Tcl_GetString(objv[objc - 1]);
}
if (safe == 0) {
safe = Tcl_IsSafe(masterInterp);
}
masterInfoPtr = (InterpInfo *) ((Interp *) masterInterp)->interpInfo;
hPtr = Tcl_CreateHashEntry(&masterInfoPtr->master.slaveTable, path, &new);
if (new == 0) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"interpreter named \"", path,
"\" already exists, cannot create", (char *) NULL);
return NULL;
}
slaveInterp = Tcl_CreateInterp();
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
slavePtr->masterInterp = masterInterp;
slavePtr->slaveEntryPtr = hPtr;
slavePtr->slaveInterp = slaveInterp;
slavePtr->interpCmd = Tcl_CreateObjCommand(masterInterp, path,
SlaveObjCmd, (ClientData) slaveInterp, SlaveObjCmdDeleteProc);
Tcl_InitHashTable(&slavePtr->aliasTable, TCL_STRING_KEYS);
Tcl_SetHashValue(hPtr, (ClientData) slavePtr);
Tcl_SetVar(slaveInterp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
((Interp *) slaveInterp)->maxNestingDepth =
((Interp *) masterInterp)->maxNestingDepth ;
if (safe) {
if (Tcl_MakeSafe(slaveInterp) == TCL_ERROR) {
goto error;
}
} else {
if (Tcl_Init(slaveInterp) == TCL_ERROR) {
goto error;
}
Tcl_InitMemory(slaveInterp);
}
return slaveInterp;
error:
TclTransferResult(slaveInterp, TCL_ERROR, interp);
Tcl_DeleteInterp(slaveInterp);
return NULL;
}
static int
SlaveObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Interp *slaveInterp;
int index;
static CONST char *options[] = {
"alias", "aliases", "eval", "expose",
"hide", "hidden", "issafe", "invokehidden",
"marktrusted", "recursionlimit", NULL
};
enum options {
OPT_ALIAS, OPT_ALIASES, OPT_EVAL, OPT_EXPOSE,
OPT_HIDE, OPT_HIDDEN, OPT_ISSAFE, OPT_INVOKEHIDDEN,
OPT_MARKTRUSTED, OPT_RECLIMIT
};
slaveInterp = (Tcl_Interp *) clientData;
if (slaveInterp == NULL) {
panic("SlaveObjCmd: interpreter has been deleted");
}
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "cmd ?arg ...?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum options) index) {
case OPT_ALIAS: {
if (objc > 2) {
if (objc == 3) {
return AliasDescribe(interp, slaveInterp, objv[2]);
}
if (Tcl_GetString(objv[3])[0] == '\0') {
if (objc == 4) {
return AliasDelete(interp, slaveInterp, objv[2]);
}
} else {
return AliasCreate(interp, slaveInterp, interp, objv[2],
objv[3], objc - 4, objv + 4);
}
}
Tcl_WrongNumArgs(interp, 2, objv,
"aliasName ?targetName? ?args..?");
return TCL_ERROR;
}
case OPT_ALIASES: {
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
return TCL_ERROR;
}
return AliasList(interp, slaveInterp);
}
case OPT_EVAL: {
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "arg ?arg ...?");
return TCL_ERROR;
}
return SlaveEval(interp, slaveInterp, objc - 2, objv + 2);
}
case OPT_EXPOSE: {
if ((objc < 3) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "hiddenCmdName ?cmdName?");
return TCL_ERROR;
}
return SlaveExpose(interp, slaveInterp, objc - 2, objv + 2);
}
case OPT_HIDE: {
if ((objc < 3) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "cmdName ?hiddenCmdName?");
return TCL_ERROR;
}
return SlaveHide(interp, slaveInterp, objc - 2, objv + 2);
}
case OPT_HIDDEN: {
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
return SlaveHidden(interp, slaveInterp);
}
case OPT_ISSAFE: {
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
return TCL_ERROR;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), Tcl_IsSafe(slaveInterp));
return TCL_OK;
}
case OPT_INVOKEHIDDEN: {
int global, i, index;
static CONST char *hiddenOptions[] = {
"-global", "--", NULL
};
enum hiddenOption {
OPT_GLOBAL, OPT_LAST
};
global = 0;
for (i = 2; i < objc; i++) {
if (Tcl_GetString(objv[i])[0] != '-') {
break;
}
if (Tcl_GetIndexFromObj(interp, objv[i], hiddenOptions,
"option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_GLOBAL) {
global = 1;
} else {
i++;
break;
}
}
if (objc - i < 1) {
Tcl_WrongNumArgs(interp, 2, objv,
"?-global? ?--? cmd ?arg ..?");
return TCL_ERROR;
}
return SlaveInvokeHidden(interp, slaveInterp, global, objc - i,
objv + i);
}
case OPT_MARKTRUSTED: {
if (objc != 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
return SlaveMarkTrusted(interp, slaveInterp);
}
case OPT_RECLIMIT: {
if (objc != 2 && objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "?newlimit?");
return TCL_ERROR;
}
return SlaveRecursionLimit(interp, slaveInterp, objc - 2, objv + 2);
}
}
return TCL_ERROR;
}
static void
SlaveObjCmdDeleteProc(clientData)
ClientData clientData;
{
Slave *slavePtr;
Tcl_Interp *slaveInterp;
slaveInterp = (Tcl_Interp *) clientData;
slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave;
Tcl_DeleteHashEntry(slavePtr->slaveEntryPtr);
slavePtr->interpCmd = NULL;
if (slavePtr->slaveInterp != NULL) {
Tcl_DeleteInterp(slavePtr->slaveInterp);
}
}
static int
SlaveEval(interp, slaveInterp, objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
int objc;
Tcl_Obj *CONST objv[];
{
int result;
Tcl_Obj *objPtr;
Tcl_Preserve((ClientData) slaveInterp);
Tcl_AllowExceptions(slaveInterp);
if (objc == 1) {
result = Tcl_EvalObjEx(slaveInterp, objv[0], 0);
} else {
objPtr = Tcl_ConcatObj(objc, objv);
Tcl_IncrRefCount(objPtr);
result = Tcl_EvalObjEx(slaveInterp, objPtr, 0);
Tcl_DecrRefCount(objPtr);
}
TclTransferResult(slaveInterp, result, interp);
Tcl_Release((ClientData) slaveInterp);
return result;
}
static int
SlaveExpose(interp, slaveInterp, objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
int objc;
Tcl_Obj *CONST objv[];
{
char *name;
if (Tcl_IsSafe(interp)) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"permission denied: safe interpreter cannot expose commands",
(char *) NULL);
return TCL_ERROR;
}
name = Tcl_GetString(objv[(objc == 1) ? 0 : 1]);
if (Tcl_ExposeCommand(slaveInterp, Tcl_GetString(objv[0]),
name) != TCL_OK) {
TclTransferResult(slaveInterp, TCL_ERROR, interp);
return TCL_ERROR;
}
return TCL_OK;
}
static int
SlaveRecursionLimit(interp, slaveInterp, objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
int objc;
Tcl_Obj *CONST objv[];
{
Interp *iPtr;
int limit;
if (objc) {
if (Tcl_IsSafe(interp)) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"permission denied: ",
"safe interpreters cannot change recursion limit",
(char *) NULL);
return TCL_ERROR;
}
if (Tcl_GetIntFromObj(interp, objv[0], &limit) == TCL_ERROR) {
return TCL_ERROR;
}
if (limit <= 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"recursion limit must be > 0", -1));
return TCL_ERROR;
}
Tcl_SetRecursionLimit(slaveInterp, limit);
iPtr = (Interp *) slaveInterp;
if (interp == slaveInterp && iPtr->numLevels > limit) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"falling back due to new recursion limit", -1));
return TCL_ERROR;
}
Tcl_SetObjResult(interp, objv[0]);
return TCL_OK;
} else {
limit = Tcl_SetRecursionLimit(slaveInterp, 0);
Tcl_SetObjResult(interp, Tcl_NewIntObj(limit));
return TCL_OK;
}
}
static int
SlaveHide(interp, slaveInterp, objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
int objc;
Tcl_Obj *CONST objv[];
{
char *name;
if (Tcl_IsSafe(interp)) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"permission denied: safe interpreter cannot hide commands",
(char *) NULL);
return TCL_ERROR;
}
name = Tcl_GetString(objv[(objc == 1) ? 0 : 1]);
if (Tcl_HideCommand(slaveInterp, Tcl_GetString(objv[0]),
name) != TCL_OK) {
TclTransferResult(slaveInterp, TCL_ERROR, interp);
return TCL_ERROR;
}
return TCL_OK;
}
static int
SlaveHidden(interp, slaveInterp)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
{
Tcl_Obj *listObjPtr;
Tcl_HashTable *hTblPtr;
Tcl_HashEntry *hPtr;
Tcl_HashSearch hSearch;
listObjPtr = Tcl_GetObjResult(interp);
hTblPtr = ((Interp *) slaveInterp)->hiddenCmdTablePtr;
if (hTblPtr != (Tcl_HashTable *) NULL) {
for (hPtr = Tcl_FirstHashEntry(hTblPtr, &hSearch);
hPtr != (Tcl_HashEntry *) NULL;
hPtr = Tcl_NextHashEntry(&hSearch)) {
Tcl_ListObjAppendElement(NULL, listObjPtr,
Tcl_NewStringObj(Tcl_GetHashKey(hTblPtr, hPtr), -1));
}
}
return TCL_OK;
}
static int
SlaveInvokeHidden(interp, slaveInterp, global, objc, objv)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
int global;
int objc;
Tcl_Obj *CONST objv[];
{
int result;
if (Tcl_IsSafe(interp)) {
Tcl_SetStringObj(Tcl_GetObjResult(interp),
"not allowed to invoke hidden commands from safe interpreter",
-1);
return TCL_ERROR;
}
Tcl_Preserve((ClientData) slaveInterp);
Tcl_AllowExceptions(slaveInterp);
if (global) {
result = TclObjInvokeGlobal(slaveInterp, objc, objv,
TCL_INVOKE_HIDDEN);
} else {
result = TclObjInvoke(slaveInterp, objc, objv, TCL_INVOKE_HIDDEN);
}
TclTransferResult(slaveInterp, result, interp);
Tcl_Release((ClientData) slaveInterp);
return result;
}
static int
SlaveMarkTrusted(interp, slaveInterp)
Tcl_Interp *interp;
Tcl_Interp *slaveInterp;
{
if (Tcl_IsSafe(interp)) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"permission denied: safe interpreter cannot mark trusted",
(char *) NULL);
return TCL_ERROR;
}
((Interp *) slaveInterp)->flags &= ~SAFE_INTERP;
return TCL_OK;
}
int
Tcl_IsSafe(interp)
Tcl_Interp *interp;
{
Interp *iPtr;
if (interp == (Tcl_Interp *) NULL) {
return 0;
}
iPtr = (Interp *) interp;
return ( (iPtr->flags) & SAFE_INTERP ) ? 1 : 0 ;
}
int
Tcl_MakeSafe(interp)
Tcl_Interp *interp;
{
Tcl_Channel chan;
Interp *iPtr = (Interp *) interp;
TclHideUnsafeCommands(interp);
iPtr->flags |= SAFE_INTERP;
Tcl_UnsetVar(interp, "env", TCL_GLOBAL_ONLY);
Tcl_UnsetVar2(interp, "tcl_platform", "os", TCL_GLOBAL_ONLY);
Tcl_UnsetVar2(interp, "tcl_platform", "osVersion", TCL_GLOBAL_ONLY);
Tcl_UnsetVar2(interp, "tcl_platform", "machine", TCL_GLOBAL_ONLY);
Tcl_UnsetVar2(interp, "tcl_platform", "user", TCL_GLOBAL_ONLY);
Tcl_UnsetVar(interp, "tclDefaultLibrary", TCL_GLOBAL_ONLY);
Tcl_UnsetVar(interp, "tcl_library", TCL_GLOBAL_ONLY);
Tcl_UnsetVar(interp, "tcl_pkgPath", TCL_GLOBAL_ONLY);
chan = Tcl_GetStdChannel(TCL_STDIN);
if (chan != (Tcl_Channel) NULL) {
Tcl_UnregisterChannel(interp, chan);
}
chan = Tcl_GetStdChannel(TCL_STDOUT);
if (chan != (Tcl_Channel) NULL) {
Tcl_UnregisterChannel(interp, chan);
}
chan = Tcl_GetStdChannel(TCL_STDERR);
if (chan != (Tcl_Channel) NULL) {
Tcl_UnregisterChannel(interp, chan);
}
return TCL_OK;
}