diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclInterp.c | 502 |
1 files changed, 7 insertions, 495 deletions
diff --git a/generic/tclInterp.c b/generic/tclInterp.c index 524529f..2333907 100644 --- a/generic/tclInterp.c +++ b/generic/tclInterp.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclInterp.c,v 1.23 2003/09/29 21:38:49 dkf Exp $ + * RCS: @(#) $Id: tclInterp.c,v 1.24 2003/09/29 22:11:11 dkf Exp $ */ #include "tclInt.h" @@ -146,13 +146,6 @@ typedef struct InterpInfo { } InterpInfo; /* - * Default granularities for various limits. - */ - -#define DEFAULT_CMDCOUNT_GRANULARITY 100 -#define DEFAULT_TIME_GRANULARITY 1000 - -/* * Prototypes for local static procedures: */ @@ -365,17 +358,17 @@ Tcl_InterpObjCmd(clientData, interp, objc, objv) static CONST char *options[] = { "alias", "aliases", "create", "delete", "eval", "exists", "expose", "hide", - "hidden", "issafe", "invokehidden", "limit", - "marktrusted", "recursionlimit", "slaves", - "share", "target", "transfer", + "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_LIMIT, - OPT_MARKTRUSTED, OPT_RECLIMIT, OPT_SLAVES, - OPT_SHARE, OPT_TARGET, OPT_TRANSFER + OPT_HIDDEN, OPT_ISSAFE, OPT_INVOKEHID, OPT_MARKTRUSTED, + OPT_RECLIMIT, OPT_SLAVES, OPT_SHARE, + OPT_TARGET, OPT_TRANSFER }; @@ -779,47 +772,6 @@ Tcl_InterpObjCmd(clientData, interp, objc, objv) } return TCL_OK; } - case OPT_LIMIT: { - static CONST char *limits[] = { - "command", "time", NULL - }; - enum LimitTypes { - LIMIT_CMD, LIMIT_TIME - }; - Tcl_Interp *limitedInterp; - - if (objc < 4 || (objc & 1 && objc > 5)) { - Tcl_WrongNumArgs(interp, 2, objv, "path type ?opt? ?val? ..."); - return TCL_ERROR; - } - limitedInterp = GetInterp(interp, objv[2]); - if (limitedInterp == NULL) { - return TCL_ERROR; - } - if (Tcl_GetIndexFromObj(interp, objv[3], limits, "limit-type", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - switch ((enum LimitTypes) index) { - case LIMIT_CMD: - if (objc == 4) { - return ReadLimitCmdCount(interp, limitedInterp, NULL); - } else if (objc == 5) { - return ReadLimitCmdCount(interp, limitedInterp, objv[4]); - } else { - return SetLimitCmdCount(interp, limitedInterp, - objc-4, objv+4); - } - case LIMIT_TIME: - if (objc == 4) { - return ReadLimitTime(interp, limitedInterp, NULL); - } else if (objc == 5) { - return ReadLimitTime(interp, limitedInterp, objv[4]); - } else { - return SetLimitTime(interp, limitedInterp, objc-4, objv+4); - } - } - } } return TCL_OK; } @@ -1857,18 +1809,6 @@ SlaveCreate(interp, pathPtr, safe) } slaveInterp = Tcl_CreateInterp(); - if (((Interp *) masterInterp)->limits & LIMIT_COMMAND_COUNT) { - Interp *sPtr = (Interp *) slaveInterp; - sPtr->limits |= LIMIT_COMMAND_COUNT; - sPtr->cmdcountGranularity = DEFAULT_CMDCOUNT_GRANULARITY; - sPtr->cmdcountLimit = 0; - } - if (((Interp *) masterInterp)->limits & LIMIT_WALL_TIME) { - Interp *sPtr = (Interp *) slaveInterp; - sPtr->limits |= LIMIT_WALL_TIME; - sPtr->timeGranularity = DEFAULT_TIME_GRANULARITY; - sPtr->timeLimit = ((Interp *) masterInterp)->timeLimit; - } slavePtr = &((InterpInfo *) ((Interp *) slaveInterp)->interpInfo)->slave; slavePtr->masterInterp = masterInterp; slavePtr->slaveEntryPtr = hPtr; @@ -2067,42 +2007,6 @@ SlaveObjCmd(clientData, interp, objc, objv) } return SlaveRecursionLimit(interp, slaveInterp, objc - 2, objv + 2); } - case OPT_LIMIT: { - static CONST char *limits[] = { - "command", "time", NULL - }; - enum LimitTypes { - LIMIT_CMD, LIMIT_TIME - }; - - if (objc < 3 || (objc > 4 && !(objc & 1))) { - Tcl_WrongNumArgs(interp, 2, objv, "type ?opt? ?val? ..."); - return TCL_ERROR; - } - if (Tcl_GetIndexFromObj(interp, objv[2], limits, "limit-type", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - switch ((enum LimitTypes) index) { - case LIMIT_CMD: - if (objc == 4) { - return ReadLimitCmdCount(interp, slaveInterp, NULL); - } else if (objc == 5) { - return ReadLimitCmdCount(interp, slaveInterp, objv[3]); - } else { - return SetLimitCmdCount(interp, slaveInterp, - objc-3, objv+3); - } - case LIMIT_TIME: - if (objc == 4) { - return ReadLimitTime(interp, slaveInterp, NULL); - } else if (objc == 5) { - return ReadLimitTime(interp, slaveInterp, objv[3]); - } else { - return SetLimitTime(interp, slaveInterp, objc-3, objv+3); - } - } - } } return TCL_ERROR; @@ -2583,395 +2487,3 @@ Tcl_MakeSafe(interp) return TCL_OK; } - -static CONST char *limitOpts[] = { - "-command", "-granularity", "-value", NULL -}; -enum LimitOpts { - LIM_CMD, LIM_GRAN, LIM_VAL -}; - -static int -ReadLimitCmdCount(interp, targetInterp, propertyName) - Tcl_Interp *interp, *targetInterp; - Tcl_Obj *propertyName; -{ - Interp *tPtr = (Interp *) targetInterp; - - if (propertyName == NULL) { - Tcl_Obj *resultObj, *emptyObj; - int limited = tPtr->limits & LIMIT_COMMAND_COUNT; - - /* - * We do not know how many times we will need the emptyObj; - * could be zero to three times. - */ - - TclNewObj(resultObj); - TclNewObj(emptyObj); - Tcl_IncrRefCount(emptyObj); - - if (limited) { - LimitHandler *lh = tPtr->cmdcountLimitHandlers; - for (; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - break; - } - } - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[0], -1), - lh ? lh->handlerObj : emptyObj); - } else { - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[0], -1), - emptyObj); - } - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[1], -1), - limited? Tcl_NewLongObj(tPtr->cmdcountGranularity) : emptyObj); - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[2], -1), - limited? Tcl_NewIntObj(tPtr->cmdcountLimit) : emptyObj); - - Tcl_DecrRefCount(emptyObj); - Tcl_SetObjResult(interp, resultObj); - return TCL_OK; - } else { - int index; - - if (Tcl_GetIndexFromObj(interp, propertyName, limitOpts, "option", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - if (!(tPtr->limits & LIMIT_COMMAND_COUNT)) { - return TCL_OK; - } - - switch ((enum LimitOpts) index) { - case LIM_CMD: { - LimitHandler *lh = tPtr->cmdcountLimitHandlers; - for (; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - Tcl_SetObjResult(interp, lh->handlerObj); - break; - } - } - break; - } - case LIM_GRAN: - Tcl_SetObjResult(Tcl_NewLongObj(tPtr->cmdcountGranularity)); - break; - case LIM_VAL: - Tcl_SetObjResult(Tcl_NewIntObj(tPtr->cmdcountLimit)); - break; - } - return TCL_OK; - } -} - -static int -SetLimitCmdCount(interp, targetInterp, objc, objv) - Tcl_Interp *interp, *targetInterp; - int objc; - Tcl_Obj *CONST objv[]; -{ - Interp *tPtr = (Interp *) targetInterp; - int i, index, value, setFlag; - long gran; - Tcl_Obj *newCmd, *newGran, *newVal; - LimitHandler *lh, *lh2; - - /* - * Parse the options to set. - */ - - newCmd = newGran = newVal = NULL; - setFlag = 1; - for (i=0 ; i<objc ; i+=2) { - if (Tcl_GetIndexFromObj(interp, objv[i], limitOpts, "option", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - switch ((enum LimitOpts) index) { - case LIM_CMD: - newCmd = objv[i+1]; - break; - case LIM_GRAN: - if (Tcl_GetLongFromObj(interp, objv[i+1], &gran) != TCL_OK) { - return TCL_ERROR; - } - if (gran < 1) { - Tcl_AppendResult(interp,"granularities must be positive",NULL); - return TCL_ERROR; - } - newGran = objv[i+1]; - break; - case LIM_VAL: - /* - * If we have these numeric types, we know that we will - * not have an empty string rep. - */ - if (objv[i+1]->typePtr != &tclIntType && - objv[i+1]->typePtr != &tclDoubleType && - objv[i+1]->typePtr != &tclWideIntType) { - Tcl_GetString(objv[i+1]); - setFlag = (objv[i+1]->length > 0); - } - if (Tcl_GetIntFromObj(interp, objv[i+1], &value) != TCL_OK) { - return TCL_ERROR; - } - newVal = objv[i+1]; - break; - } - } - - if (!setFlag) { - /* - * Remove limit on interpreter. - */ - tPtr->limits &= ~LIMIT_COMMAND_COUNTS; - for (lh=tPtr->cmdcountLimitHandlers ; lh!=NULL ; lh=lh2) { - lh2 = lh->next; - Tcl_DecrRefCount(lh->handlerObj); - Tcl_EventuallyFree(lh, TCL_DYNAMIC); - } - tPtr->cmdcountLimitHandlers = NULL; - } else if (tPtr->limits & LIMIT_COMMAND_COUNTS) { - /* - * Modify limit on interpreter. - */ - - if (newGran != NULL) { - tPtr->cmdcountGranularity = gran; - } - if (newVal != NULL) { - tPtr->cmdcountLimit = value; - } - if (newCmd != NULL) { - for (lh=tPtr->cmdcountLimitHandlers ; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - break; - } - } - if (lh == NULL) { - lh = (LimitHandler *) ckalloc(sizeof(LimitHandler)); - lh->interp = interp; - lh->next = tPtr->cmdcountLimitHandlers; - tPtr->cmdcountLimitHandlers = lh; - } else { - Tcl_DecrRefCount(lh->handlerObj); - } - lh->handlerObj = newCmd; - Tcl_IncrRefCount(newCmd); - } - } else { - /* - * Install limit on interpreter; value must have been set. - */ - - if (newGran == NULL) { - gran = DEFAULT_CMDCOUNT_GRANULARITY; - } - tPtr->limits |= LIMIT_COMMAND_COUNTS; - tPtr->cmdcountGranularity = gran; - tPtr->cmdcountValue = value; - if (newCmd != NULL) { - lh = (LimitHandler *) ckalloc(sizeof(LimitHandler)); - lh->interp = interp; - lh->handlerObj = newCmd; - Tcl_IncrRefCount(newCmd); - lh->next = NULL; - tPtr->cmdcountLimitHandlers = lh; - } - } - - return TCL_OK; -} - -static int -ReadLimitTime(interp, targetInterp, propertyName) - Tcl_Interp *interp, *targetInterp; - Tcl_Obj *propertyName; -{ - Interp *tPtr = (Interp *) targetInterp; - - if (propertyName == NULL) { - Tcl_Obj *resultObj, *emptyObj; - int limited = tPtr->limits & LIMIT_COMMAND_COUNT; - - /* - * We do not know how many times we will need the emptyObj; - * could be zero to three times. - */ - - TclNewObj(resultObj); - TclNewObj(emptyObj); - Tcl_IncrRefCount(emptyObj); - - if (limited) { - LimitHandler *lh = tPtr->timeLimitHandlers; - for (; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - break; - } - } - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[0], -1), - lh ? lh->handlerObj : emptyObj); - } else { - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[0], -1), - emptyObj); - } - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[1], -1), - limited ? Tcl_NewLongObj(tPtr->timeGranularity) : emptyObj); - Tcl_DictObjPut(NULL, resultObj, Tcl_NewStringObj(limitOpts[2], -1), - limited ? Tcl_NewIntObj(tPtr->timeLimit) : emptyObj); - - Tcl_DecrRefCount(emptyObj); - Tcl_SetObjResult(interp, resultObj); - return TCL_OK; - } else { - int index; - - if (Tcl_GetIndexFromObj(interp, propertyName, limitOpts, "option", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - if (!(tPtr->limits & LIMIT_COMMAND_COUNT)) { - return TCL_OK; - } - switch ((enum LimitOpts) index) { - case LIM_CMD: { - LimitHandler *lh = tPtr->timeLimitHandlers; - for (; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - Tcl_SetObjResult(interp, lh->handlerObj); - break; - } - } - break; - } - case LIM_GRAN: - Tcl_SetObjResult(Tcl_NewLongObj(tPtr->timeGranularity)); - break; - case LIM_VAL: - Tcl_SetObjResult(Tcl_NewIntObj(tPtr->timeLimit)); - break; - } - return TCL_OK; - } -} - -static int -SetLimitTime(interp, targetInterp, objc, objv) - Tcl_Interp *interp, *targetInterp; - int objc; - Tcl_Obj *CONST objv[]; -{ - Interp *tPtr = (Interp *) targetInterp; - int i, index, value, setFlag; - long gran; - Tcl_Obj *newCmd, *newGran, *newVal; - LimitHandler *lh, *lh2; - - /* - * Parse the options to set. - */ - - newCmd = newGran = newVal = NULL; - setFlag = 1; - for (i=0 ; i<objc ; i+=2) { - if (Tcl_GetIndexFromObj(interp, objv[i], limitOpts, "option", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - switch ((enum LimitOpts) index) { - case LIM_CMD: - newCmd = objv[i+1]; - break; - case LIM_GRAN: - if (Tcl_GetLongFromObj(interp, objv[i+1], &gran) != TCL_OK) { - return TCL_ERROR; - } - if (gran < 1) { - Tcl_AppendResult(interp,"granularities must be positive",NULL); - return TCL_ERROR; - } - newGran = objv[i+1]; - break; - case LIM_VAL: - /* - * If we have these numeric types, we know that we will - * not have an empty string rep. - */ - if (objv[i+1]->typePtr != &tclIntType && - objv[i+1]->typePtr != &tclDoubleType && - objv[i+1]->typePtr != &tclWideIntType) { - Tcl_GetString(objv[i+1]); - setFlag = (objv[i+1]->length > 0); - } - if (Tcl_GetIntFromObj(interp, objv[i+1], &value) != TCL_OK) { - return TCL_ERROR; - } - newVal = objv[i+1]; - break; - } - } - - if (!setFlag) { - /* - * Remove limit on interpreter. - */ - tPtr->limits &= ~LIMIT_COMMAND_COUNTS; - for (lh=tPtr->timeLimitHandlers ; lh!=NULL ; lh=lh2) { - lh2 = lh->next; - Tcl_DecrRefCount(lh->handlerObj); - Tcl_EventuallyFree(lh, TCL_DYNAMIC); - } - tPtr->timeLimitHandlers = NULL; - } else if (tPtr->limits & LIMIT_COMMAND_COUNTS) { - /* - * Modify limit on interpreter. - */ - - if (newGran != NULL) { - tPtr->timeGranularity = gran; - } - if (newVal != NULL) { - tPtr->timeLimit = value; - } - if (newCmd != NULL) { - for (lh=tPtr->timeLimitHandlers ; lh!=NULL ; lh=lh->next) { - if (lh->interp == interp) { - break; - } - } - if (lh == NULL) { - lh = (LimitHandler *) ckalloc(sizeof(LimitHandler)); - lh->interp = interp; - lh->next = tPtr->timeLimitHandlers; - tPtr->timeLimitHandlers = lh; - } else { - Tcl_DecrRefCount(lh->handlerObj); - } - lh->handlerObj = newCmd; - Tcl_IncrRefCount(newCmd); - } - } else { - /* - * Install limit on interpreter; value must have been set. - */ - - if (newGran == NULL) { - gran = DEFAULT_TIME_GRANULARITY; - } - tPtr->limits |= LIMIT_COMMAND_COUNTS; - tPtr->timeGranularity = gran; - tPtr->timeValue = value; - if (newCmd != NULL) { - lh = (LimitHandler *) ckalloc(sizeof(LimitHandler)); - lh->interp = interp; - lh->handlerObj = newCmd; - Tcl_IncrRefCount(newCmd); - lh->next = NULL; - tPtr->timeLimitHandlers = lh; - } - } - - return TCL_OK; -} |