Index: generic/xotcl.c =================================================================== diff -u -r5ab730ebd0e769e5f376cc2db8aa22b024a9c498 -r84396a78ea963f52832233d23dab1d17603a502a --- generic/xotcl.c (.../xotcl.c) (revision 5ab730ebd0e769e5f376cc2db8aa22b024a9c498) +++ generic/xotcl.c (.../xotcl.c) (revision 84396a78ea963f52832233d23dab1d17603a502a) @@ -464,16 +464,16 @@ if (TclIsVarUndefined(varPtr) && (varPtr->refCount == 0) && (varPtr->tracePtr == NULL) && (varPtr->flags & VAR_IN_HASHTABLE)) { - if (varPtr->hPtr != NULL) { + if (varPtr->hPtr) { Tcl_DeleteHashEntry(varPtr->hPtr); } ckfree((char *) varPtr); } - if (arrayPtr != NULL) { + if (arrayPtr) { if (TclIsVarUndefined(arrayPtr) && (arrayPtr->refCount == 0) && (arrayPtr->tracePtr == NULL) && (arrayPtr->flags & VAR_IN_HASHTABLE)) { - if (arrayPtr->hPtr != NULL) { + if (arrayPtr->hPtr) { Tcl_DeleteHashEntry(arrayPtr->hPtr); } ckfree((char *) arrayPtr); @@ -846,11 +846,11 @@ #endif #if !defined(REFCOUNTED) - if (obj != NULL) { + if (obj) { XOTclCleanupObject(obj); } #else - if (obj != NULL) { + if (obj) { #if REFCOUNT_TRACE fprintf(stderr, "FIP in %p\n", obj->teardown); fprintf(stderr, "FIP call is destroy %d\n", RUNTIME_STATE(obj->teardown)->callIsDestroy); @@ -932,7 +932,7 @@ #endif if (obj) { - if ((oldTypePtr != NULL) && (oldTypePtr->freeIntRepProc != NULL)) { + if (oldTypePtr && oldTypePtr->freeIntRepProc) { #ifdef XOTCLOBJ_TRACE fprintf(stderr," freeing type=%p, type=%s\n", objPtr->typePtr, objPtr->typePtr ? objPtr->typePtr->name : ""); @@ -1001,7 +1001,8 @@ #ifdef NOTUSED static Tcl_Obj * NewXOTclObjectObj(register XOTclObject *obj) { - register Tcl_Obj *objPtr = 0; + register Tcl_Obj *objPtr; + XOTclNewObj(objPtr); objPtr->bytes = NULL; objPtr->internalRep.otherValuePtr = obj; @@ -1016,10 +1017,9 @@ static Tcl_Obj * NewXOTclObjectObjName(register XOTclObject *obj, char *name, unsigned l) { - register Tcl_Obj *objPtr = 0; + register Tcl_Obj *objPtr; XOTclNewObj(objPtr); - objPtr->length = l; objPtr->bytes = ckalloc(l+1); memcpy(objPtr->bytes, name, l); @@ -1339,8 +1339,8 @@ if (sc->color == WHITE && !TopoSort(sc, base, next)) { cl->color = WHITE; if (cl == base) { - XOTclClasses *pc = cl->order; - while (pc != 0) { pc->cl->color = WHITE; pc = pc->next; } + register XOTclClasses *pc; + for (pc = cl->order; pc; pc = pc->next) { pc->cl->color = WHITE; } } return 0; } @@ -1351,8 +1351,8 @@ pl->next = base->order; base->order = pl; if (cl == base) { - XOTclClasses *pc = cl->order; - while (pc != 0) { pc->cl->color = WHITE; pc = pc->next; } + register XOTclClasses *pc; + for (pc = cl->order; pc; pc = pc->next) { pc->cl->color = WHITE; } } return 1; } @@ -1362,15 +1362,14 @@ if (TopoSort(cl, cl, next)) return cl->order; XOTclFreeClasses(cl->order); - cl->order = 0; - return 0; + return cl->order = NULL; } static XOTclClasses* ComputeOrder(XOTclClass *cl, XOTclClasses *order, XOTclClasses* (*direction)(XOTclClass*)) { if (order) return order; - return (cl->order = TopoOrder(cl, direction)); + return cl->order = TopoOrder(cl, direction); } extern XOTclClasses* @@ -1388,7 +1387,7 @@ FlushPrecedencesOnSubclasses(XOTclClass *cl) { XOTclClasses *pc; XOTclFreeClasses(cl->order); - cl->order = 0; + cl->order = NULL; pc = ComputeOrder(cl, cl->order, Sub); /* @@ -1399,16 +1398,16 @@ if (pc) pc = pc->next; for (; pc; pc = pc->next) { XOTclFreeClasses(pc->cl->order); - pc->cl->order = 0; + pc->cl->order = NULL; } XOTclFreeClasses(cl->order); - cl->order = 0; + cl->order = NULL; } static void AddInstance(XOTclObject *obj, XOTclClass *cl) { obj->cl = cl; - if (cl != 0) { + if (cl) { int nw; (void) Tcl_CreateHashEntry(&cl->instances, (char *)obj, &nw); } @@ -1501,22 +1500,6 @@ static Tcl_Command FindMethod(char *methodName, Tcl_Namespace *nsPtr) { Tcl_HashEntry *entryPtr; -#if 0 - Tcl_HashTable *cmdTable; - /* if somebody messes around with the deleteProc, we conclude that the - entries of the cmdTable are not ours ... */ - cmdTable = Tcl_Namespace_deleteProc(nsPtr) ? Tcl_Namespace_cmdTable(nsPtr) : NULL ; - if (cmdTable== NULL) { - fprintf(stderr,"********************** FindMethod %s cmdTable = %p\n", methodName, cmdTable); - } - /*fprintf(stderr,"FindMethod '%s', cmdTable %p ns=%p \n", methodName, cmdTable, nsPtr);*/ - - if (cmdTable && (entryPtr = Tcl_FindHashEntry(cmdTable, methodName))) { - return (Tcl_Command) Tcl_GetHashValue(entryPtr); - } - /*fprintf(stderr, "find %s in %p returns %p\n", methodName, cmdTable, cmd);*/ - return NULL; -#endif if ((entryPtr = Tcl_FindHashEntry(Tcl_Namespace_cmdTable(nsPtr), methodName))) { return (Tcl_Command) Tcl_GetHashValue(entryPtr); @@ -1529,7 +1512,7 @@ SearchPLMethod(register XOTclClasses *pl, char *nm, Tcl_Command *cmd) { /* Search the precedence list (class hierarchy) */ for (; pl; pl = pl->next) { - Tcl_Command pi = FindMethod(nm, pl->cl->nsPtr); + register Tcl_Command pi = FindMethod(nm, pl->cl->nsPtr); if (pi) { *cmd = pi; return pl->cl; @@ -1572,7 +1555,7 @@ #if !defined(NDEBUG) {char *cmdName = ObjStr(obj->cmdName); - assert(cmdName != NULL); + assert(cmdName); /*fprintf(stderr,"findCommand %s -> %p obj->id %p\n", cmdName, Tcl_FindCommand(interp, cmdName, NULL, 0), obj->id);*/ /*assert(Tcl_FindCommand(interp, cmdName, NULL, 0) != NULL);*/ @@ -1666,7 +1649,7 @@ if (objHashTable->buckets == objHashTable->staticBuckets) { varHashTable->buckets = varHashTable->staticBuckets; } - for (hPtr = Tcl_FirstHashEntry(varHashTable, &search); hPtr != NULL; + for (hPtr = Tcl_FirstHashEntry(varHashTable, &search); hPtr; hPtr = Tcl_NextHashEntry(&search)) { #if defined(PRE85) Var *varPtr; @@ -1684,7 +1667,7 @@ } ckfree((char *) obj->varTable); - obj->varTable = 0; + obj->varTable = NULL; } } } @@ -1735,7 +1718,7 @@ varFramePtr != NULL ? Tcl_CallFrame_procPtr(varFramePtr): 0 ); */ - if (varFramePtr != NULL && Tcl_CallFrame_isProcCallFrame(varFramePtr)) { + if (varFramePtr && Tcl_CallFrame_isProcCallFrame(varFramePtr)) { fprintf(stderr, "proc-scoped var detected '%s' in NS '%s'\n", name, varFramePtr->nsPtr->fullName); return TCL_CONTINUE; @@ -1829,7 +1812,7 @@ Tcl_ForgetImport(interp, ns, "*"); /* don't destroy namespace imported objects */ - for (hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); hPtr != 0; + for (hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { Tcl_Command cmd = (Tcl_Command)Tcl_GetHashValue(hPtr); if (!Tcl_Command_cmdEpoch(cmd)) { @@ -1842,7 +1825,7 @@ obj = XOTclpGetObject(interp, Tcl_DStringValue(&name)); if (obj) { - /* fprintf(stderr, " ... obj= %s\n", ObjStr(obj->cmdName));*/ + /* fprintf(stderr, " ... obj= %s\n", ObjStr(obj->cmdName));*/ /* in the exit handler physical destroy --> directly call destroy */ if (RUNTIME_STATE(interp)->exitHandlerDestroyRound @@ -1852,8 +1835,9 @@ else PrimitiveODestroy((ClientData) obj); } else { - if (obj->teardown != 0 && obj->id && + if (obj->teardown && obj->id && !(obj->flags & XOTCL_DESTROY_CALLED)) { + if (callDestroyMethod((ClientData)obj, interp, obj, 0) != TCL_OK) { /* destroy method failed, but we have to remove the command anyway. */ @@ -1921,7 +1905,7 @@ /* * Delete all user-defined procs in the namespace */ - for (hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); hPtr != 0; + for (hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { cmd = (Tcl_Command) Tcl_GetHashValue(hPtr); /* objects should not be deleted here to preseve children deletion order*/ @@ -1971,7 +1955,7 @@ fprintf(stderr, "to %d. \n", nsp->activationCount); */ MEM_COUNT_FREE("TclNamespace", nsPtr); - if (Tcl_Namespace_deleteProc(nsPtr) != NULL) { + if (Tcl_Namespace_deleteProc(nsPtr)) { /*fprintf(stderr,"calling deteteNamespace\n");*/ Tcl_DeleteNamespace(nsPtr); } @@ -1982,15 +1966,15 @@ Tcl_Namespace *ns = Tcl_FindNamespace(interp, name, NULL, 0); if (ns) { - if (ns->deleteProc != NULL || ns->clientData != NULL) { + if (ns->deleteProc || ns->clientData) { Tcl_Panic("Namespace '%s' exists already with delProc %p and clientData %p; Can only convert a plain Tcl namespace into an XOTcl namespace", name, ns->deleteProc, ns->clientData); } ns->clientData = cd; - ns->deleteProc = (Tcl_NamespaceDeleteProc*) NSNamespaceDeleteProc; + ns->deleteProc = (Tcl_NamespaceDeleteProc *)NSNamespaceDeleteProc; } else { ns = Tcl_CreateNamespace(interp, name, cd, - (Tcl_NamespaceDeleteProc*) NSNamespaceDeleteProc); + (Tcl_NamespaceDeleteProc *)NSNamespaceDeleteProc); } MEM_COUNT_ALLOC("TclNamespace", ns); return ns; @@ -2004,7 +1988,7 @@ NSCheckColons(char *name, unsigned l) { register char *n = name; if (*n == '\0') return 0; /* empty name */ - if (l==0) l=strlen(name); + if (l == 0) l=strlen(name); if (*(n+l-1) == ':') return 0; /* name ends with : */ if (*n == ':' && *(n+1) != ':') return 0; /* name begins with single : */ for (; *n != '\0'; n++) { @@ -2035,7 +2019,7 @@ Tcl_DStringAppend(dsp, name, (n-name)); parentName = Tcl_DStringValue(dsp); - if (Tcl_FindNamespace(interp, parentName, (Tcl_Namespace *) NULL, TCL_GLOBAL_ONLY) == 0) { + if (Tcl_FindNamespace(interp, parentName, (Tcl_Namespace *) NULL, TCL_GLOBAL_ONLY) == NULL) { XOTclObject *parentObj = (XOTclObject*) XOTclpGetObject(interp, parentName); if (parentObj) { /* this is for classes */ @@ -2056,7 +2040,7 @@ requireObjNamespace(interp, parentObj); } result = (Tcl_FindNamespace(interp, parentName, - (Tcl_Namespace *) NULL, TCL_GLOBAL_ONLY) != 0); + (Tcl_Namespace *) NULL, TCL_GLOBAL_ONLY) != NULL); } else { result = 0; } @@ -2205,7 +2189,7 @@ flgs |= TCL_NAMESPACE_ONLY; valueObject = Tcl_ObjGetVar2(interp, XOTclGlobalObjects[XOTE_AUTONAMES], name, flgs); - if (valueObject != NULL ) { + if (valueObject) { long autoname_counter; /* should probably do an overflow check here */ Tcl_GetLongFromObj(interp, valueObject,&autoname_counter); @@ -2219,7 +2203,7 @@ valueObject, flgs); if (resetOpt) { - if (valueObject != NULL) { /* we have an entry */ + if (valueObject) { /* we have an entry */ Tcl_UnsetVar2(interp, XOTclGlobalStrings[XOTE_AUTONAMES], ObjStr(name), flgs); } result = XOTclGlobalObjects[XOTE_EMPTY]; @@ -2432,15 +2416,15 @@ csc->self = obj; csc->cl = cl; csc->cmdPtr = cmd; - csc->destroyedCmd = 0; + csc->destroyedCmd = NULL; csc->frameType = frameType; csc->callType = 0; csc->currentFramePtr = NULL; /* this will be set by InitProcNSCmd */ if (frameType == XOTCL_CSC_TYPE_ACTIVE_FILTER) csc->filterStackEntry = obj->filterStack; else - csc->filterStackEntry = 0; + csc->filterStackEntry = NULL; /*fprintf(stderr, "PUSH obj %s, self=%p cmd=%p (%s) id=%p (%s) frame=%p\n", ObjStr(obj->cmdName), obj, @@ -2457,7 +2441,7 @@ PRINTOBJ("CallStackDoDestroy", obj); oid = obj->id; - obj->id = 0; + obj->id = NULL; if (obj->teardown && oid) { Tcl_DeleteCommandFromToken(interp, oid); } @@ -2516,7 +2500,7 @@ /*fprintf(stderr, "POP frame=%p\n", csc);*/ - if (csc->destroyedCmd != 0) { + if (csc->destroyedCmd) { int destroy = 1; TclCleanupCommand((Command *)csc->destroyedCmd); MEM_COUNT_FREE("command refCount", csc->destroyedCmd); @@ -2661,8 +2645,8 @@ */ static XOTclCmdList* CmdListRemoveFromList(XOTclCmdList **cmdList, XOTclCmdList *delCL) { - register XOTclCmdList *c = *cmdList, *del = 0; - if (c == 0) + register XOTclCmdList *c = *cmdList, *del = NULL; + if (c == NULL) return NULL; if (c == delCL) { *cmdList = c->next; @@ -2703,7 +2687,7 @@ static void CmdListRemoveContextClassFromList(XOTclCmdList **cmdList, XOTclClass *clorobj, XOTclFreeCmdListClientData *freeFct) { - XOTclCmdList *c, *del = 0; + XOTclCmdList *c, *del = NULL; /* CmdListRemoveEpoched(cmdList, freeFct); */ @@ -2747,11 +2731,10 @@ */ static XOTclCmdList* CmdListFindCmdInList(Tcl_Command cmd, XOTclCmdList *l) { - register XOTclCmdList *h = l; - while (h != 0) { + register XOTclCmdList *h; + for (h = l; h; h = h->next) { if (h->cmdPtr == cmd) return h; - h = h->next; } return 0; } @@ -2762,12 +2745,11 @@ */ static XOTclCmdList* CmdListFindNameInList(Tcl_Interp *interp, char *name, XOTclCmdList *l) { - register XOTclCmdList *h = l; - while (h != 0) { + register XOTclCmdList *h; + for (h = l; h; h = h->next) { CONST84 char *cmdName = Tcl_GetCommandName(interp, h->cmdPtr); if (cmdName[0] == name[0] && !strcmp(cmdName, name)) return h; - h = h->next; } return 0; } @@ -2794,10 +2776,10 @@ static Tcl_Obj* AssertionList(Tcl_Interp *interp, XOTclTclObjList *alist) { Tcl_Obj *newAssStr = Tcl_NewStringObj("", 0); - for (; alist!=NULL; alist = alist->next) { + for (; alist; alist = alist->next) { Tcl_AppendStringsToObj(newAssStr, "{", ObjStr(alist->content), "}", (char *) NULL); - if (alist->next != NULL) + if (alist->next) Tcl_AppendStringsToObj(newAssStr, " ", (char *) NULL); } return newAssStr; @@ -2887,14 +2869,13 @@ Tcl_HashEntry *hPtr; if (aStore) { - hPtr = Tcl_FirstHashEntry(&aStore->procs, &hSrch); - while (hPtr) { + for (hPtr = Tcl_FirstHashEntry(&aStore->procs, &hSrch); hPtr; + hPtr = Tcl_FirstHashEntry(&aStore->procs, &hSrch)) { /* * AssertionRemoveProc calls Tcl_DeleteHashEntry(hPtr), thus * we get the FirstHashEntry afterwards again to proceed */ AssertionRemoveProc(aStore, Tcl_GetHashKey(&aStore->procs, hPtr)); - hPtr = Tcl_FirstHashEntry(&aStore->procs, &hSrch); } Tcl_DeleteHashTable(&aStore->procs); MEM_COUNT_FREE("Tcl_InitHashTable",&aStore->procs); @@ -2949,18 +2930,18 @@ Tcl_ResetResult(interp); - while (alist != NULL) { + while (alist) { /* Eval instead of IfObjCmd => the substitutions in the conditions will be done by Tcl */ char *assStr = ObjStr(alist->content), *c = assStr; int comment = 0; - while (c != 0 && *c != '\0') { + for (; c && *c != '\0'; c++) { if (*c == '#') { comment = 1; break; } - c++; } + if (!comment) { XOTcl_FrameDecls; XOTcl_PushFrame(interp, obj); @@ -2970,7 +2951,7 @@ savedCheckoptions = obj->opt->checkoptions; obj->opt->checkoptions = CHECK_NONE; - /*fprintf(stderr, "Checking Assertion %s ", assStr);*/ + /* fprintf(stderr, "Checking Assertion %s ", assStr); */ /* * now check the assertion in the pushed callframe's scope @@ -2981,7 +2962,7 @@ obj->opt->checkoptions = savedCheckoptions; - /*fprintf(stderr, "...%s\n", checkFailed ? "failed" : "ok");*/ + /* fprintf(stderr, "...%s\n", checkFailed ? "failed" : "ok"); */ CallStackPop(interp); XOTcl_PopFrame(interp, obj); @@ -2991,7 +2972,7 @@ alist = alist->next; } - if (checkFailed != NULL) { + if (checkFailed) { DECR_REF_COUNT(savedObjResult); if (acResult == TCL_ERROR) { Tcl_Obj *sr = Tcl_GetObjResult(interp); @@ -3025,7 +3006,7 @@ if (result != TCL_ERROR && checkoptions & CHECK_CLINVAR) { XOTclClasses *clPtr; clPtr = ComputeOrder(obj->cl, obj->cl->order, Super); - while (clPtr != 0 && result != TCL_ERROR) { + while (clPtr && result != TCL_ERROR) { XOTclAssertionStore *aStore = (clPtr->cl->opt) ? clPtr->cl->opt->assertions : 0; if (aStore) { result = AssertionCheckList(interp, obj, aStore->invariants, method); @@ -3050,12 +3031,12 @@ assert(obj->opt); - if (checkOption & obj->opt->checkoptions) { + if (checkOption & obj->opt->checkoptions) { procs = AssertionFindProcs(aStore, method); if (procs) { switch (checkOption) { case CHECK_PRE: - result = AssertionCheckList(interp, obj, procs->pre, method); + result = AssertionCheckList(interp, obj, procs->pre, method); break; case CHECK_POST: result = AssertionCheckList(interp, obj, procs->post, method); @@ -3081,7 +3062,7 @@ static int MixinStackPush(XOTclObject *obj) { register XOTclMixinStack *h = NEW(XOTclMixinStack); - h->currentCmdPtr = 0; + h->currentCmdPtr = NULL; h->next = obj->mixinStack; obj->mixinStack = h; return 1; @@ -3109,20 +3090,19 @@ XOTclClasses *pl, **clPtr = mixinClasses; CmdListRemoveEpoched(mixinList, GuardDel); - m = *mixinList; - while (m) { + for (m = *mixinList; m; m = m->next) { XOTclClass *mCl = XOTclGetClassFromCmdPtr(m->cmdPtr); if (mCl) { for (pl = ComputeOrder(mCl, mCl->order, Super); pl; pl = pl->next) { /*fprintf(stderr, " %s, ", ObjStr(pl->cl->object.cmdName));*/ - if (!(pl->cl == RUNTIME_STATE(interp)->theObject)) { + if (pl->cl != RUNTIME_STATE(interp)->theObject) { XOTclClassOpt *opt = pl->cl->opt; - if (opt && opt->instmixins != 0) { + if (opt && opt->instmixins) { /* compute transitively the instmixin classes of this added class */ XOTclClasses *cls; - int i, found=0; + int i, found = 0; for (i=0, cls = *checkList; cls; i++, cls = cls->next) { /* fprintf(stderr,"+++ c%d: %s\n", i, ObjStr(cls->cl->object.cmdName));*/ @@ -3146,7 +3126,6 @@ } } } - m = m->next; } if (level == 0 && *checkList) { XOTclFreeClasses(*checkList); @@ -3158,7 +3137,7 @@ MixinResetOrder(XOTclObject *obj) { /*fprintf(stderr,"removeList %s \n", ObjStr(obj->cmdName));*/ CmdListRemoveList(&obj->mixinOrder, NULL /*GuardDel*/); - obj->mixinOrder = 0; + obj->mixinOrder = NULL; } /* @@ -3170,7 +3149,7 @@ */ static void MixinComputeOrder(Tcl_Interp *interp, XOTclObject *obj) { - XOTclClasses *fullList, *checkList=0, *mixinClasses = 0, *nextCl, *pl, + XOTclClasses *fullList, *checkList = NULL, *mixinClasses = NULL, *nextCl, *pl, *checker, *guardChecker; if (obj->mixinOrder) MixinResetOrder(obj); @@ -3205,7 +3184,7 @@ } /* if checker is set, it is a duplicate and ignored */ - if (checker == 0) { + if (checker == NULL) { /* check obj->cl hierachy */ for (checker = ComputeOrder(obj->cl, obj->cl->order, Super); checker; checker = checker->next) { if (checker->cl == mixinClasses->cl) @@ -3214,7 +3193,7 @@ /* if checker is set, it was found in the class hierarchy and it is ignored */ } - if (checker == 0) { + if (checker == NULL) { /* add the class to the mixinOrder list */ XOTclCmdList *new; /* fprintf(stderr,"--- adding to mixinlist %s\n", @@ -3345,7 +3324,7 @@ Tcl_HashEntry *hPtr; int rc = 0; - for (hPtr = Tcl_FirstHashEntry(table, &search); hPtr != NULL; + for (hPtr = Tcl_FirstHashEntry(table, &search); hPtr; hPtr = Tcl_NextHashEntry(&search)) { XOTclObject *inst = (XOTclObject*) Tcl_GetHashKey(table, hPtr); if (matchObject && inst == matchObject) { @@ -3374,7 +3353,7 @@ Tcl_HashSearch search; Tcl_HashEntry *hPtr; - for (hPtr = Tcl_FirstHashEntry(table, &search); hPtr != NULL; + for (hPtr = Tcl_FirstHashEntry(table, &search); hPtr; hPtr = Tcl_NextHashEntry(&search)) { XOTclObject *inst = (XOTclObject *)Tcl_GetHashKey(table, hPtr); int new; @@ -3467,7 +3446,7 @@ for (m = startCl->opt->isClassMixinOf; m; m = m->next) { /* we should have no deleted commands in the list */ - assert(Tcl_Command_cmdEpoch(m->cmdPtr) == 0); + assert(Tcl_Command_cmdEpoch(m->cmdPtr) == NULL); cl = XOTclGetClassFromCmdPtr(m->cmdPtr); assert(cl); @@ -3490,7 +3469,7 @@ for (m = startCl->opt->isObjectMixinOf; m; m = m->next) { /* we should have no deleted commands in the list */ - assert(Tcl_Command_cmdEpoch(m->cmdPtr) == 0); + assert(Tcl_Command_cmdEpoch(m->cmdPtr) == NULL); obj = XOTclGetObjectFromCmdPtr(m->cmdPtr); assert(obj); @@ -3545,7 +3524,7 @@ for (m = startCl->opt->isClassMixinOf; m; m = m->next) { /* we should have no deleted commands in the list */ - assert(Tcl_Command_cmdEpoch(m->cmdPtr) == 0); + assert(Tcl_Command_cmdEpoch(m->cmdPtr) == NULL); cl = XOTclGetClassFromCmdPtr(m->cmdPtr); assert(cl); @@ -3583,7 +3562,7 @@ for (m = startCl->opt->instmixins; m; m = m->next) { /* we should have no deleted commands in the list */ - assert(Tcl_Command_cmdEpoch(m->cmdPtr) == 0); + assert(Tcl_Command_cmdEpoch(m->cmdPtr) == NULL); cl = XOTclGetClassFromCmdPtr(m->cmdPtr); assert(cl); @@ -3749,23 +3728,23 @@ Tcl_HashEntry *hPtr; Tcl_HashTable objTable, *commandTable = &objTable; - cl->order = 0; + cl->order = NULL; /* reset mixin order for all instances of the class and the instances of its subclasses */ for (clPtr = ComputeOrder(cl, cl->order, Sub); clPtr; clPtr = clPtr->next) { Tcl_HashSearch hSrch; Tcl_HashEntry *hPtr = &clPtr->cl->instances ? - Tcl_FirstHashEntry(&clPtr->cl->instances, &hSrch) : 0; + Tcl_FirstHashEntry(&clPtr->cl->instances, &hSrch) : NULL; /* reset mixin order for all objects having this class as per object mixin */ ResetOrderOfClassesUsedAsMixins(clPtr->cl); /* fprintf(stderr,"invalidating instances of class %s\n", ObjStr(clPtr->cl->object.cmdName)); */ - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { XOTclObject *obj = (XOTclObject *)Tcl_GetHashKey(&clPtr->cl->instances, hPtr); if (obj->mixinOrder) { MixinResetOrder(obj); } obj->flags &= ~XOTCL_MIXIN_ORDER_VALID; @@ -3866,7 +3845,7 @@ while (*cmdList && currentCmdPtr) { /* fprintf(stderr, "->2 mixin seek current = %p next = %p\n", currentCmdPtr, (*cmdList)->next);*/ if ((*cmdList)->cmdPtr == currentCmdPtr) - currentCmdPtr = 0; + currentCmdPtr = NULL; *cmdList = (*cmdList)->next; #if defined(ACTIVEMIXIN) @@ -3882,8 +3861,7 @@ */ static Tcl_Command MixinSearchProc(Tcl_Interp *interp, XOTclObject *obj, char *methodName, - XOTclClass **cl, Tcl_ObjCmdProc **proc, ClientData *cp, - Tcl_Command *currentCmdPtr) { + XOTclClass **cl, Tcl_Command *currentCmdPtr) { Tcl_Command cmd = NULL; XOTclCmdList *cmdList; XOTclClass *cls; @@ -3922,8 +3900,6 @@ * on success: compute mixin call data */ *cl = cls; - *proc = Tcl_Command_objProc(cmd); - *cp = Tcl_Command_objClientData(cmd); *currentCmdPtr = cmdList->cmdPtr; break; } else { @@ -3975,15 +3951,14 @@ static Tcl_Command MixinSearchMethodByName(Tcl_Interp *interp, XOTclCmdList *mixinList, char *name, XOTclClass **cl) { Tcl_Command cmd; - while (mixinList) { + + for (; mixinList; mixinList = mixinList->next) { XOTclClass *mcl = XOTclpGetClass(interp, (char *) Tcl_GetCommandName(interp, mixinList->cmdPtr)); if (mcl && SearchCMethod(mcl, name, &cmd)) { if (cl) *cl = mcl; return cmd; } - - mixinList = mixinList->next; } return 0; } @@ -4195,7 +4170,7 @@ XOTclObject *obj, Tcl_Command interceptorCmd, XOTclCmdList *interceptorDefList) { XOTclCmdList *h; - if (interceptorDefList != 0) { + if (interceptorDefList) { h = CmdListFindCmdInList(interceptorCmd, interceptorDefList); if (h) { GuardAdd(interp, dest, (Tcl_Obj*) h->clientData); @@ -4222,15 +4197,14 @@ if (!(obj->flags & XOTCL_MIXIN_ORDER_VALID)) MixinComputeDefined(interp, obj); if (obj->flags & XOTCL_MIXIN_ORDER_DEFINED_AND_VALID) { - XOTclCmdList *ml = obj->mixinOrder; + XOTclCmdList *ml; XOTclClass *mixin; - while (ml && ! guardAdded) { + for (ml = obj->mixinOrder; ml && !guardAdded; ml = ml->next) { mixin = XOTclGetClassFromCmdPtr(ml->cmdPtr); if (mixin && mixin->opt) { guardAdded = GuardAddFromDefinitionList(interp, dest, obj, filterCmd, mixin->opt->instfilters); } - ml = ml->next; } } @@ -4347,7 +4321,7 @@ static void FilterResetOrder(XOTclObject *obj) { CmdListRemoveList(&obj->filterOrder, GuardDel); - obj->filterOrder = 0; + obj->filterOrder = NULL; } /* @@ -4364,26 +4338,21 @@ XOTclClass *cl = NULL; CmdListRemoveEpoched(filters, GuardDel); - cmdList = *filters; - while (cmdList) { + for (cmdList = *filters; cmdList; cmdList = cmdList->next) { simpleName = (char *) Tcl_GetCommandName(interp, cmdList->cmdPtr); cmd = FilterSearch(interp, simpleName, startingObj, startingCl, &cl); if (cmd == NULL) { del = cmdList; - cmdList = cmdList->next; del = CmdListRemoveFromList(filters, del); CmdListDeleteCmdListEntry(del, GuardDel); - } else { - if (cmd != cmdList->cmdPtr) - CmdListReplaceCmd(cmdList, cmd, cl); - cmdList = cmdList->next; + } else if (cmd != cmdList->cmdPtr) { + CmdListReplaceCmd(cmdList, cmd, cl); } } /* some entries might be NULL now, if they are not found anymore -> delete those CmdListRemoveNulledEntries(filters, GuardDel); */ - } /* @@ -4395,11 +4364,11 @@ FilterInvalidateObjOrders(Tcl_Interp *interp, XOTclClass *cl) { XOTclClasses *saved = cl->order, *clPtr, *savePtr; - cl->order = 0; + cl->order = NULL; savePtr = clPtr = ComputeOrder(cl, cl->order, Sub); cl->order = saved; - while (clPtr != 0) { + for ( ; clPtr; clPtr = clPtr->next) { Tcl_HashSearch hSrch; Tcl_HashEntry *hPtr = &clPtr->cl->instances ? Tcl_FirstHashEntry(&clPtr->cl->instances, &hSrch) : 0; @@ -4408,7 +4377,7 @@ if (clPtr->cl->opt) { FilterSearchAgain(interp, &clPtr->cl->opt->instfilters, 0, clPtr->cl); } - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { XOTclObject *obj = (XOTclObject*) Tcl_GetHashKey(&clPtr->cl->instances, hPtr); FilterResetOrder(obj); obj->flags &= ~XOTCL_FILTER_ORDER_VALID; @@ -4418,7 +4387,6 @@ FilterSearchAgain(interp, &obj->opt->filters, obj, 0); } } - clPtr = clPtr->next; } XOTclFreeClasses(savePtr); } @@ -4432,7 +4400,7 @@ static void FilterRemoveDependentFilterCmds(XOTclClass *cl, XOTclClass *removeClass) { XOTclClasses *saved = cl->order, *clPtr; - cl->order = 0; + cl->order = NULL; /*fprintf(stderr, "FilterRemoveDependentFilterCmds cl %p %s, removeClass %p %s\n", cl, ObjStr(cl->object.cmdName), @@ -4441,12 +4409,12 @@ for (clPtr = ComputeOrder(cl, cl->order, Sub); clPtr; clPtr = clPtr->next) { Tcl_HashSearch hSrch; Tcl_HashEntry *hPtr = &clPtr->cl->instances ? - Tcl_FirstHashEntry(&clPtr->cl->instances, &hSrch) : 0; + Tcl_FirstHashEntry(&clPtr->cl->instances, &hSrch) : NULL; XOTclClassOpt *opt = clPtr->cl->opt; if (opt) { CmdListRemoveContextClassFromList(&opt->instfilters, removeClass, GuardDel); } - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { XOTclObject *obj = (XOTclObject*) Tcl_GetHashKey(&clPtr->cl->instances, hPtr); if (obj->opt) { CmdListRemoveContextClassFromList(&obj->opt->filters, removeClass, GuardDel); @@ -4615,7 +4583,7 @@ */ static void FilterComputeOrder(Tcl_Interp *interp, XOTclObject *obj) { - XOTclCmdList *filterList = 0, *next, *checker, *newlist; + XOTclCmdList *filterList = NULL, *next, *checker, *newlist; XOTclClasses *pl; if (obj->filterOrder) FilterResetOrder(obj); @@ -4628,13 +4596,13 @@ MixinComputeDefined(interp, obj); if (obj->flags & XOTCL_MIXIN_ORDER_DEFINED_AND_VALID) { - XOTclCmdList *ml = obj->mixinOrder; + XOTclCmdList *ml; XOTclClass *mixin; - while (ml) { + + for (ml = obj->mixinOrder; ml; ml = ml->next) { mixin = XOTclGetClassFromCmdPtr(ml->cmdPtr); if (mixin && mixin->opt && mixin->opt->instfilters) FilterComputeOrderFullList(interp, &mixin->opt->instfilters, &filterList); - ml = ml->next; } } @@ -4661,7 +4629,7 @@ if (checker->cmdPtr == filterList->cmdPtr) break; checker = checker->next; } - if (checker == 0) { + if (checker == NULL) { newlist = CmdListAdd(&obj->filterOrder, filterList->cmdPtr, filterList->clorobj, /*noDuplicates*/ 0); GuardAddInheritedGuards(interp, newlist, obj, filterList->cmdPtr); @@ -4709,7 +4677,7 @@ FilterStackPush(Tcl_Interp *interp, XOTclObject *obj, Tcl_Obj *calledProc) { register XOTclFilterStack *h = NEW(XOTclFilterStack); - h->currentCmdPtr = 0; + h->currentCmdPtr = NULL; h->calledProc = calledProc; INCR_REF_COUNT(h->calledProc); h->next = obj->filterStack; @@ -4745,13 +4713,10 @@ FilterComputeDefined(interp, obj); */ - *cmdList = obj->filterOrder; - /* go forward to current class */ - while (*cmdList && currentCmd) { + for (*cmdList = obj->filterOrder; *cmdList && currentCmd; *cmdList = (*cmdList)->next) { if ((*cmdList)->cmdPtr == currentCmd) - currentCmd = 0; - *cmdList = (*cmdList)->next; + currentCmd = NULL; } } @@ -4820,16 +4785,14 @@ * current filter and the relevant calling information */ static Tcl_Command -FilterSearchProc(Tcl_Interp *interp, XOTclObject *obj, Tcl_ObjCmdProc **proc, ClientData *cp, +FilterSearchProc(Tcl_Interp *interp, XOTclObject *obj, Tcl_Command *currentCmd, XOTclClass **cl) { XOTclCmdList *cmdList; assert(obj); assert(obj->filterStack); - *currentCmd = 0; - *proc = 0; - *cp = 0; + *currentCmd = NULL; FilterSeekCurrent(interp, obj, &cmdList); while (cmdList) { @@ -4843,9 +4806,7 @@ FilterSeekCurrent(interp, obj, &cmdList); } else { /* ok. we' ve found it */ - *proc = Tcl_Command_objProc(cmdList->cmdPtr); - *cp = Tcl_Command_objClientData(cmdList->cmdPtr); - if (cmdList->clorobj && !XOTclObjectIsClass(&cmdList->clorobj->object)) { + if (cmdList->clorobj && !XOTclObjectIsClass(&cmdList->clorobj->object)) { *cl = NULL; } else { *cl = cmdList->clorobj; @@ -4857,14 +4818,14 @@ return cmdList->cmdPtr; } } - return 0; + return NULL; } static int SuperclassAdd(Tcl_Interp *interp, XOTclClass *cl, int oc, Tcl_Obj **ov, Tcl_Obj *arg) { - XOTclClasses *filterCheck, *osl = 0; - XOTclClass **scl = 0; + XOTclClasses *filterCheck, *osl = NULL; + XOTclClass **scl; int reversed = 0; int i, j; @@ -4878,9 +4839,8 @@ */ if (filterCheck) filterCheck = filterCheck->next; - while (filterCheck) { + for (; filterCheck; filterCheck = filterCheck->next) { FilterRemoveDependentFilterCmds(cl, filterCheck->cl); - filterCheck = filterCheck->next; } /* invalidate all interceptors orders of instances of this @@ -4902,25 +4862,24 @@ */ for (i = 0; i < oc; i++) { - if (reversed != 0) break; + if (reversed) break; for (j = i+1; j < oc; j++) { XOTclClasses *dl = ComputeOrder(scl[j], scl[j]->order, Super); - if (reversed != 0) break; - while (dl != 0) { + if (reversed) break; + while (dl) { if (dl->cl == scl[i]) break; dl = dl->next; } - if (dl != 0) reversed = 1; + if (dl) reversed = 1; } } - if (reversed != 0) { + if (reversed) { return XOTclErrBadVal(interp, "superclass", "classes in dependence order", ObjStr(arg)); } - while (cl->super != 0) { - + while (cl->super) { /* * build up an old superclass list in case we need to revert */ @@ -4945,16 +4904,16 @@ */ XOTclClasses *l; - while (cl->super != 0) (void)RemoveSuper(cl, cl->super->cl); - for (l = osl; l != 0; l = l->next) AddSuper(cl, l->cl); + while (cl->super) (void)RemoveSuper(cl, cl->super->cl); + for (l = osl; l; l = l->next) AddSuper(cl, l->cl); XOTclFreeClasses(osl); return XOTclErrBadVal(interp, "superclass", "a cycle-free graph", ObjStr(arg)); } XOTclFreeClasses(osl); /* if there are no more super classes add the Object class as superclasses */ - if (cl->super == 0) + if (cl->super == NULL) AddSuper(cl, RUNTIME_STATE(interp)->theObject); Tcl_ResetResult(interp); @@ -4992,8 +4951,7 @@ requireDefined, triggerTrace, varPtr ? TclIsVarUndefined(varPtr) : 0); */ - result = ((varPtr != NULL) && - (!requireDefined || !TclIsVarUndefined(varPtr))); + result = (varPtr && (!requireDefined || !TclIsVarUndefined(varPtr))); XOTcl_PopFrame(interp, obj); @@ -5041,7 +4999,7 @@ ObjStr(obj->cmdName), className(targetClass));*/ /* iterate over all elements of the defaults array */ - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { Var *val; Tcl_Obj *varNameObj; @@ -5105,11 +5063,11 @@ if (initcmds && TclIsVarArray(initcmds)) { TclVarHashTable *tablePtr = valueOfVar(TclVarHashTable, initcmds, tablePtr); Tcl_HashSearch hSrch; - Tcl_HashEntry *hPtr = tablePtr ? Tcl_FirstHashEntry(VarHashTable(tablePtr), &hSrch) : 0; + Tcl_HashEntry *hPtr = tablePtr ? Tcl_FirstHashEntry(VarHashTable(tablePtr), &hSrch) : NULL; /*fprintf(stderr, "+++ we have initcmds for <%s>\n", className(targetClass));*/ /* iterate over the elements of initcmds */ - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { Var *val; Tcl_Obj *varNameObj; @@ -5162,14 +5120,16 @@ SearchDefaultValues(Tcl_Interp *interp, XOTclObject *obj, XOTclClass *cmdCl) { XOTcl_FrameDecls; XOTclClass *cl = obj->cl, *mixin; - XOTclClasses *pl = 0; - XOTclCmdList *ml = 0; + XOTclClasses *pl; + XOTclCmdList *ml; int result = TCL_OK; if (!(obj->flags & XOTCL_MIXIN_ORDER_VALID)) MixinComputeDefined(interp, obj); if (obj->flags & XOTCL_MIXIN_ORDER_DEFINED_AND_VALID) ml = obj->mixinOrder; + else + ml = NULL; assert(cl); @@ -5231,16 +5191,118 @@ return result; } +#if !defined(PRE85) +static void +MakeProcError( + Tcl_Interp *interp, /* The interpreter in which the procedure was + * called. */ + Tcl_Obj *procNameObj) /* Name of the procedure. Used for error + * messages and trace information. */ +{ + int overflow, limit = 60, nameLen; + const char *procName = Tcl_GetStringFromObj(procNameObj, &nameLen); + overflow = (nameLen > limit); + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (procedure \"%.*s%s\" line %d)", + (overflow ? limit : nameLen), procName, + (overflow ? "..." : ""), interp->errorLine)); +} + +#include +static int PushProcCallFrame( + ClientData clientData, /* Record describing procedure to be + * interpreted. */ + register Tcl_Interp *interp,/* Interpreter in which procedure was + * invoked. */ + int objc, /* Count of number of arguments to this + * procedure. */ + Tcl_Obj *CONST objv[], /* Argument value objects. */ + int isLambda) /* 1 if this is a call by ApplyObjCmd: it + * needs special rules for error msg */ +{ + Proc *procPtr = (Proc *) clientData; + Namespace *nsPtr = procPtr->cmdPtr->nsPtr; + CallFrame *framePtr, **framePtrPtr = &framePtr; + int result; + ByteCode *codePtr; + static Tcl_ObjType *byteCodeType = NULL; + + if (byteCodeType == NULL) { + static XOTclMutex initMutex = 0; + XOTclMutexLock(&initMutex); + if (byteCodeType == NULL) { + byteCodeType = Tcl_GetObjType("bytecode"); + /*fprintf(stderr, "fetching byteCodeType=%p\n", byteCodeType);*/ + } + XOTclMutexUnlock(&initMutex); + } + + if (procPtr->bodyPtr->typePtr == byteCodeType) { +#if 0 + Interp *iPtr = (Interp *) interp; + + /* + * When we've got bytecode, this is the check for validity. That is, + * the bytecode must be for the right interpreter (no cross-leaks!), + * the code must be from the current epoch (so subcommand compilation + * is up-to-date), the namespace must match (so variable handling + * is right) and the resolverEpoch must match (so that new shadowed + * commands and/or resolver changes are considered). + */ + + codePtr = procPtr->bodyPtr->internalRep.otherValuePtr; + if (((Interp *) *codePtr->interpHandle != iPtr) + || (codePtr->compileEpoch != iPtr->compileEpoch) + || (codePtr->nsPtr != nsPtr) + || (codePtr->nsEpoch != nsPtr->resolverEpoch)) { + goto doCompilation; + } +#endif + } else { + doCompilation: + result = TclProcCompileProc(interp, procPtr, procPtr->bodyPtr, + (Namespace *) nsPtr, "body of proc", TclGetString(objv[isLambda])); + /*fprintf(stderr,"compile returned %d",result);*/ + if (result != TCL_OK) { + return result; + } + } + /* + * Set up and push a new call frame for the new procedure invocation. + * This call frame will execute in the proc's namespace, which might be + * different than the current namespace. The proc's namespace is that of + * its command, which can change if the command is renamed from one + * namespace to another. + */ + + result = TclPushStackFrame(interp, (Tcl_CallFrame **) framePtrPtr, + (Tcl_Namespace *) nsPtr, + (isLambda? (FRAME_IS_PROC|FRAME_IS_LAMBDA) : FRAME_IS_PROC)); + + if (result != TCL_OK) { + return result; + } + + framePtr->objc = objc; + framePtr->objv = objv; + framePtr->procPtr = procPtr; + + return TCL_OK; +} + +#endif + +void dummy() {fprintf(stderr,"\n");} /* * method dispatch */ /* actually call a method (with assertion checking) */ static int callProcCheck(ClientData cp, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], - Tcl_Command cmd, XOTclObject *obj, XOTclClass *cl, - char *methodName, int frameType, int isTclProc) { + Tcl_Command cmd, XOTclObject *obj, XOTclClass *cl, char *methodName, + int frameType, int isTclProc) { int result = TCL_OK; XOTclRuntimeState *rst = RUNTIME_STATE(interp); CheckOptions co; @@ -5256,8 +5318,8 @@ assert(obj); rst->callIsDestroy = 0; - /*fprintf(stderr,"callProcCheck: setting callIsDestroy = 0, m=%s obj=%p (%s)\n", - methodName, obj, ObjStr(obj->cmdName));*/ + /*fprintf(stderr,"callProcCheck: setting callIsDestroy = 0, m=%s obj=%p (%s) is TclProc %d\n", + methodName, obj, ObjStr(obj->cmdName), isTclProc);*/ /* fprintf(stderr,"*** callProcCheck: cmd = %p\n", cmd); @@ -5277,56 +5339,64 @@ XOTclCallStackDump(interp); #endif - if (!isTclProc && obj->teardown) { - co = 0; - if (obj->opt) co = obj->opt->checkoptions; - if ((co & CHECK_INVAR) && - ((result = AssertionCheckInvars(interp, obj, methodName, co)) == TCL_ERROR)) { - goto finish; + /*fprintf(stderr, "+++ callProcCheck teardown %p, method=%s, isTclProc %d\n",obj->teardown,methodName,isTclProc);*/ + if (!obj->teardown) { + goto finish; + } + + if (isTclProc == 0) { + if (obj->opt) { + co = obj->opt->checkoptions; + if ((co & CHECK_INVAR) && + ((result = AssertionCheckInvars(interp, obj, methodName, co)) == TCL_ERROR)) { + goto finish; + } } - + #ifdef DISPATCH_TRACE printCall(interp,"callProcCheck cmd", objc, objv); - /*fprintf(stderr,"\tproc=%s\n", Tcl_GetCommandName(interp, cmd));*/ + fprintf(stderr,"\tcmd=%s\n", Tcl_GetCommandName(interp, cmd)); #endif + result = (*Tcl_Command_objProc(cmd))(cp, interp, objc, objv); - + #ifdef DISPATCH_TRACE printExit(interp,"callProcCheck cmd", objc, objv, result); /*fprintf(stderr, " returnCode %d xotcl rc %d\n", Tcl_Interp_returnCode(interp), rst->returnCode);*/ #endif - + /* if (obj && obj->teardown && cl && !(obj->flags & XOTCL_DESTROY_CALLED)) { fprintf(stderr, "Obj= %s ", ObjStr(obj->cmdName)); fprintf(stderr, "CL= %s ", ObjStr(cl->object.cmdName)); fprintf(stderr, "method=%s\n", methodName); } */ - co = 0; - if (!rst->callIsDestroy && obj->opt) co = obj->opt->checkoptions; - if ((co & CHECK_INVAR) && - ((result = AssertionCheckInvars(interp, obj, methodName, co)) == TCL_ERROR)) { - goto finish; + if (!rst->callIsDestroy && obj->opt) { + co = obj->opt->checkoptions; + if ((co & CHECK_INVAR) && + ((result = AssertionCheckInvars(interp, obj, methodName, co)) == TCL_ERROR)) { + goto finish; + } } } else { /* isTclProc == 1 * if this is a filter, check whether its guard applies, * if not: just step forward to the next filter */ + /*fprintf(stderr,"calling proc %s isTclProc %d tearDown %d\n",methodName,isTclProc,obj->teardown);*/ + if (frameType == XOTCL_CSC_TYPE_ACTIVE_FILTER) { XOTclCmdList *cmdList; /* * seek cmd in obj's filterOrder */ assert(obj->flags & XOTCL_FILTER_ORDER_VALID); /* otherwise: FilterComputeDefined(interp, obj);*/ - - cmdList = obj->filterOrder; - while (cmdList && cmdList->cmdPtr != cmd) - cmdList = cmdList->next; - + + for (cmdList = obj->filterOrder; cmdList && cmdList->cmdPtr != cmd; cmdList = cmdList->next); + /* * when it is found, check whether it has a filter guard */ @@ -5348,55 +5418,68 @@ XOTclCallStackDump(interp);*/ } - + return rc; } } } + /*fprintf(stderr, "AFTER FILTER, teardown=%p call is destroy %d\n",obj->teardown,rst->callIsDestroy);*/ if (!rst->callIsDestroy && obj->teardown - && !(obj->flags & XOTCL_DESTROY_CALLED)) { + /*&& !(obj->flags & XOTCL_DESTROY_CALLED)*/) { if (obj->opt && (obj->opt->checkoptions & CHECK_PRE) && (result = AssertionCheck(interp, obj, cl, methodName, CHECK_PRE)) == TCL_ERROR) { goto finish; } - } + + if (Tcl_Interp_numLevels(interp) <= 2) + rst->returnCode = TCL_OK; - if (Tcl_Interp_numLevels(interp) <= 2) - rst->returnCode = TCL_OK; #ifdef DISPATCH_TRACE - printCall(interp,"callProcCheck tclCmd", objc, objv); - fprintf(stderr,"\tproc=%s\n", Tcl_GetCommandName(interp, cmd)); + printCall(interp,"callProcCheck tclCmd", objc, objv); + fprintf(stderr,"\tproc=%s\n", Tcl_GetCommandName(interp, cmd)); #endif + /*XXX*/ +#if !defined(PRE85) + /*fprintf(stderr,"\tproc=%s cp=%p %d\n", Tcl_GetCommandName(interp, cmd),cp, isTclProc);*/ - result = (*Tcl_Command_objProc(cmd))(cp, interp, objc, objv); - + result = PushProcCallFrame(cp, interp, objc, objv, /*isLambda*/ 0); + + if (result == TCL_OK) { + rst->cs.top->currentFramePtr = (Tcl_CallFrame *) Tcl_Interp_varFramePtr(interp); + result = TclObjInterpProcCore(interp, objv[0], 1, &MakeProcError); + } else { + result = TCL_ERROR; + } +#else + result = (*Tcl_Command_objProc(cmd))(cp, interp, objc, objv); +#endif + #ifdef DISPATCH_TRACE - printExit(interp,"callProcCheck tclCmd", objc, objv, result); - /* fprintf(stderr, " returnCode %d xotcl rc %d\n", - Tcl_Interp_returnCode(interp), rst->returnCode);*/ + printExit(interp,"callProcCheck tclCmd", objc, objv, result); + /* fprintf(stderr, " returnCode %d xotcl rc %d\n", + Tcl_Interp_returnCode(interp), rst->returnCode);*/ #endif - /*if (Tcl_Interp_numLevels(interp) <= 2 && rst->returnCode == TCL_BREAK) - result = TCL_BREAK; - else*/ if (result == TCL_BREAK && rst->returnCode == TCL_OK) - rst->returnCode = result; - - /* we give the information whether the call has destroyed the - object back to the caller, because after CallStackPop it - cannot be retrieved via the call stack */ - /* if the object is destroyed -> the assertion structs's are already - destroyed */ - if (rst->cs.top->callType & XOTCL_CSC_CALL_IS_DESTROY) { - rst->callIsDestroy = 1; - /*fprintf(stderr,"callProcCheck: setting callIsDestroy = 1\n");*/ + if (result == TCL_BREAK && rst->returnCode == TCL_OK) + rst->returnCode = result; + + /* we give the information whether the call has destroyed the + object back to the caller, because after CallStackPop it + cannot be retrieved via the call stack */ + /* if the object is destroyed -> the assertion structs's are already + destroyed */ + if (rst->cs.top->callType & XOTCL_CSC_CALL_IS_DESTROY) { + rst->callIsDestroy = 1; + /*fprintf(stderr,"callProcCheck: setting callIsDestroy = 1\n");*/ + } + + if (obj->opt && !rst->callIsDestroy && obj->teardown && + (obj->opt->checkoptions & CHECK_POST) && + (result = AssertionCheck(interp, obj, cl, methodName, CHECK_POST) == TCL_ERROR)) { + goto finish; + } } - - if (obj->opt && !rst->callIsDestroy && obj->teardown && - (obj->opt->checkoptions & CHECK_POST) && - (result = AssertionCheck(interp, obj, cl, methodName, CHECK_POST) == TCL_ERROR)) { - goto finish; - } } finish: @@ -5411,16 +5494,20 @@ } static int -DoCallProcCheck(ClientData cp, ClientData cd, Tcl_Interp *interp, +DoCallProcCheck(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], - Tcl_Command cmd, XOTclObject *obj, - XOTclClass *cl, char *methodName, - int frameType, int fromNext) { - int rc, push = 1, isTclProc = 0; + Tcl_Command cmd, XOTclObject *obj, XOTclClass *cl, + char *methodName, int frameType) { + int rc, push, isTclProc = 0; + ClientData cp = Tcl_Command_objClientData(cmd); if (cp) { - Tcl_ObjCmdProc *proc = Tcl_Command_objProc(cmd); - if (proc == XOTclObjDispatch) { + register Tcl_ObjCmdProc *proc = Tcl_Command_objProc(cmd); + + if (proc == TclObjInterpProc) { + assert((TclIsProc((Command *)cmd))); + isTclProc = 1; + } else if (proc == XOTclObjDispatch) { assert((TclIsProc((Command *)cmd) == NULL)); } else if (proc == XOTclForwardMethod || proc == XOTclObjscopedMethod) { @@ -5430,26 +5517,20 @@ } else if (cp == XOTCL_NONLEAF_METHOD) { cp = cd; assert((TclIsProc((Command *)cmd) == NULL)); - } else { - assert((TclIsProc((Command *)cmd) != NULL)); - isTclProc = 1; } + + /* push the xotcl info */ + push = 1; + if ((CallStackPush(interp, obj, cl, cmd, objc, objv, frameType)) != TCL_OK) { + return TCL_ERROR; + } + } else { push = 0; assert((TclIsProc((Command *)cmd) == NULL)); cp = cd; } - if (!fromNext) { - objc--; - objv++; - } - - if (push) { - /* push the xotcl info */ - if ((CallStackPush(interp, obj, cl, cmd, objc, objv, frameType)) != TCL_OK) - return TCL_ERROR; - } rc = callProcCheck(cp, interp, objc, objv, cmd, obj, cl, methodName, frameType, isTclProc); if (push) { @@ -5470,15 +5551,13 @@ #ifdef OBJDELETION_TRACE Tcl_Obj *method; #endif - char *methodName, *callMethod; - XOTclClass *cl = 0; - ClientData cp = 0; - Tcl_ObjCmdProc *proc = 0; - Tcl_Command cmd = 0; + char *methodName; + XOTclClass *cl = NULL; + Tcl_Command cmd = NULL; XOTclRuntimeState *rst = RUNTIME_STATE(interp); Tcl_Obj *cmdName = obj->cmdName; XOTclCallStack *cs = &rst->cs; - /*int isdestroy = (objv[1] == XOTclGlobalObjects[XOTE_DESTROY]); */ + /* int isdestroy = (objv[1] == XOTclGlobalObjects[XOTE_DESTROY]); */ #ifdef AUTOVARS int isNext; #endif @@ -5512,7 +5591,6 @@ if (!(objflags & XOTCL_MIXIN_ORDER_VALID)) MixinComputeDefined(interp, obj); - callMethod = methodName; #ifdef AUTOVARS if (!isNext) { #endif @@ -5529,11 +5607,10 @@ cs->top->frameType != XOTCL_CSC_TYPE_ACTIVE_FILTER) { filterStackPushed = FilterStackPush(interp, obj, objv[1]); - cmd = FilterSearchProc(interp, obj, &proc, &cp, - &obj->filterStack->currentCmdPtr,&cl); - if (cmd) { /* 'proc' and the other output vars are set as well */ + cmd = FilterSearchProc(interp, obj, &obj->filterStack->currentCmdPtr,&cl); + if (cmd) { frameType = XOTCL_CSC_TYPE_ACTIVE_FILTER; - callMethod = (char *)Tcl_GetCommandName(interp, cmd); + methodName = (char *)Tcl_GetCommandName(interp, cmd); } else { FilterStackPop(obj); filterStackPushed = 0; @@ -5554,9 +5631,9 @@ mixinStackPushed = MixinStackPush(obj); if (frameType != XOTCL_CSC_TYPE_ACTIVE_FILTER) { - cmd = MixinSearchProc(interp, obj, methodName, &cl, &proc, &cp, + cmd = MixinSearchProc(interp, obj, methodName, &cl, &obj->mixinStack->currentCmdPtr); - if (cmd) { /* 'proc' and the other output vars are set as well */ + if (cmd) { frameType = XOTCL_CSC_TYPE_ACTIVE_MIXIN; } else { /* the else branch could be deleted */ MixinStackPop(obj); @@ -5569,7 +5646,7 @@ #endif /* if no filter/mixin is found => do ordinary method lookup */ - if (proc == 0) { + if (cmd == NULL) { /* fprintf(stderr,"ordinary lookup for obj %p method %s nsPtr %p\n", obj, methodName, obj->nsPtr);*/ @@ -5580,20 +5657,12 @@ if (cmd == NULL) cl = SearchCMethod(obj->cl, methodName, &cmd); - - if (cmd) { - proc = Tcl_Command_objProc(cmd); - cp = Tcl_Command_objClientData(cmd); - } else { - assert(cp == 0); - } } - if (proc) { - result = TCL_OK; - if ((result = DoCallProcCheck(cp, cd, interp, objc, objv, cmd, obj, cl, - callMethod, frameType, 0 /* fromNext */)) == TCL_ERROR) { - result = XOTclErrInProc(interp, cmdName, cl ? cl->object.cmdName : NULL, callMethod); + if (cmd) { + if ((result = DoCallProcCheck(cd, interp, objc-1, objv+1, cmd, obj, cl, + methodName, frameType)) == TCL_ERROR) { + result = XOTclErrInProc(interp, cmdName, cl ? cl->object.cmdName : NULL, methodName); } unknown = RUNTIME_STATE(interp)->unknown; } else { @@ -5603,11 +5672,10 @@ if (result == TCL_OK) { /*fprintf(stderr,"after doCallProcCheck unknown == %d\n", unknown);*/ if (unknown) { - if (XOTclObjectIsClass(obj) && (flags & XOTCL_CM_NO_UNKNOWN)) { return XOTclVarErrMsg(interp, ObjStr(objv[0]), ": unable to dispatch method '", - callMethod, "'", (char *) NULL); + methodName, "'", (char *) NULL); } else if (objv[1] != XOTclGlobalObjects[XOTE_UNKNOWN]) { /* * back off and try unknown; @@ -5648,15 +5716,14 @@ #endif - /*if (!rst->callIsDestroy ) - fprintf(stderr, "obj freed? %p destroy %p self %p %s %d [%d] reference=%d,%d\n", obj, + if (!rst->callIsDestroy) + /*fprintf(stderr, "obj freed? %p destroy %p self %p %s %d [%d] reference=%d,%d\n", obj, cs->top->destroyedCmd, cs->top->self, ObjStr(objv[1]), rst->callIsDestroy, cs->top->callType & XOTCL_CSC_CALL_IS_DESTROY, !rst->callIsDestroy, isdestroy);*/ - if (!rst->callIsDestroy) { /*!(obj->flags & XOTCL_DESTROY_CALLED)) {*/ if (mixinStackPushed && obj->mixinStack) @@ -5748,7 +5815,7 @@ Tcl_HashSearch hSrch; Tcl_HashEntry *hPtr = nonposArgsTable ? Tcl_FirstHashEntry(nonposArgsTable, &hSrch) : 0; - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { NonposArgsDeleteHashEntry(hPtr); } } @@ -5832,7 +5899,9 @@ Tcl_Obj *resultBody; resultBody = Tcl_NewStringObj("", 0); INCR_REF_COUNT(resultBody); +#if defined(PRE85) Tcl_AppendStringsToObj(resultBody, "::xotcl::initProcNS\n", (char *) NULL); +#endif if (nonposArgs) { Tcl_AppendStringsToObj(resultBody, "::xotcl::interpretNonpositionalArgs $args\n", @@ -5897,7 +5966,7 @@ Tcl_NewStringObj(arg+start, end-start)); l++; start = l; - while(startflags & XOTCL_MIXIN_ORDER_VALID)) MixinComputeDefined(interp, obj); if (obj->flags & XOTCL_MIXIN_ORDER_DEFINED_AND_VALID) { - XOTclCmdList *ml = obj->mixinOrder; + XOTclCmdList *ml; XOTclClass *mixin; - while (ml) { + for (ml = obj->mixinOrder; ml; ml = ml->next) { int guardOk = TCL_OK; mixin = XOTclGetClassFromCmdPtr(ml->cmdPtr); if (inContext) { @@ -6385,7 +6455,6 @@ Tcl_HashTable *cmdTable = Tcl_Namespace_cmdTable(mixin->nsPtr); ListMethodKeys(interp, cmdTable, pattern, noProcs, noCmds, 1, 0, 0); } - ml = ml->next; } } } @@ -6433,7 +6502,7 @@ } } - for (pl = ComputeOrder(obj->cl, obj->cl->order, Super); pl != 0; pl = pl->next) { + for (pl = ComputeOrder(obj->cl, obj->cl->order, Super); pl; pl = pl->next) { AppendMatchingElement(interp, pl->cl->object.cmdName, pattern); } return TCL_OK; @@ -6462,7 +6531,7 @@ if (proc) { CompiledLocal *args = proc->firstLocalPtr; Tcl_ResetResult(interp); - for (;args != NULL; args = args->nextPtr) { + for ( ; args; args = args->nextPtr) { if (TclIsCompiledLocalArgument(args)) Tcl_AppendElement(interp, args->name); @@ -6507,14 +6576,14 @@ GetProcDefault(Tcl_Interp *interp, Tcl_HashTable *table, char *name, char *arg, Tcl_Obj **resultObj) { Proc *proc = FindProc(interp, table, name); - *resultObj = 0; + *resultObj = NULL; if (proc) { CompiledLocal *ap; - for (ap = proc->firstLocalPtr; ap != 0; ap = ap->nextPtr) { + for (ap = proc->firstLocalPtr; ap; ap = ap->nextPtr) { if (!TclIsCompiledLocalArgument(ap)) continue; if (strcmp(arg, ap->name) != 0) continue; - if (ap->defValuePtr != NULL) { + if (ap->defValuePtr) { *resultObj = ap->defValuePtr; return TCL_OK; } @@ -6530,15 +6599,15 @@ callFrameContext ctx = {0}; CallStackUseActiveFrames(interp,&ctx); - if (defVal != 0) { - if (Tcl_ObjSetVar2(interp, var, NULL, defVal, 0) != NULL) { + if (defVal) { + if (Tcl_ObjSetVar2(interp, var, NULL, defVal, 0)) { Tcl_SetIntObj(Tcl_GetObjResult(interp), 1); } else { result = TCL_ERROR; } } else { if (Tcl_ObjSetVar2(interp, var, NULL, - XOTclGlobalObjects[XOTE_EMPTY], 0) != NULL) { + XOTclGlobalObjects[XOTE_EMPTY], 0)) { Tcl_SetIntObj(Tcl_GetObjResult(interp), 0); } else { result = TCL_ERROR; @@ -6600,8 +6669,10 @@ static char * StripBodyPrefix(char *body) { +#if defined(PRE85) if (strncmp(body, "::xotcl::initProcNS\n", 20) == 0) body+=20; +#endif if (strncmp(body, "::xotcl::interpretNonpositionalArgs $args\n", 42) == 0) body+=42; return body; @@ -6644,7 +6715,7 @@ Tcl_HashEntry *hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); char *key; XOTcl_PushFrame(interp, obj); - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { key = Tcl_GetHashKey(cmdTable, hPtr); if (!pattern || Tcl_StringMatch(key, pattern)) { if ((childobj = XOTclpGetObject(interp, key)) && @@ -6671,10 +6742,9 @@ static XOTclClass* FindCalledClass(Tcl_Interp *interp, XOTclObject *obj) { - char *methodName = 0; - XOTclClass *cl; - Tcl_Command cmd = NULL; XOTclCallStackContent *csc = CallStackGetTopFrame(interp); + char *methodName; + Tcl_Command cmd; if (csc->frameType == XOTCL_CSC_TYPE_PLAIN) return GetSelfClass(interp); @@ -6683,30 +6753,30 @@ methodName = ObjStr(csc->filterStackEntry->calledProc); else if (csc->frameType == XOTCL_CSC_TYPE_ACTIVE_MIXIN && obj->mixinStack) methodName = (char *) GetSelfProc(interp); + else + methodName = ""; - if (!methodName) methodName = ""; - - if (obj->nsPtr) + if (obj->nsPtr) { cmd = FindMethod(methodName, obj->nsPtr); + if (cmd) { + return NULL; + } + } - if (cmd) { - cl = 0; - } else { - cl = SearchCMethod(obj->cl, methodName, &cmd); - } - return cl; + return SearchCMethod(obj->cl, methodName, &cmd); } /* * Next Primitive Handling */ XOTCLINLINE static void NextSearchMethod(XOTclObject *obj, Tcl_Interp *interp, XOTclCallStackContent *csc, - XOTclClass **cl, char **method, Tcl_ObjCmdProc **proc, Tcl_Command *cmd, - ClientData *cp, int *isMixinEntry, int *isFilterEntry, + XOTclClass **cl, char **method, Tcl_Command *cmd, + int *isMixinEntry, int *isFilterEntry, int *endOfFilterChain, Tcl_Command *currentCmd) { XOTclClasses *pl = 0; int endOfChain = 0; + *endOfFilterChain = 0; /* @@ -6719,11 +6789,11 @@ if ((obj->flags & XOTCL_FILTER_ORDER_VALID) && obj->filterStack && obj->filterStack->currentCmdPtr) { - *cmd = FilterSearchProc(interp, obj, proc, cp, currentCmd, cl); + *cmd = FilterSearchProc(interp, obj, currentCmd, cl); /*fprintf(stderr,"EndOfChain? proc=%p, cmd=%p\n",*proc,*cmd);*/ /* XOTclCallStackDump(interp); XOTclStackDump(interp);*/ - if (*proc == 0) { + if (*cmd == 0) { if (csc->frameType == XOTCL_CSC_TYPE_ACTIVE_FILTER) { /* reset the information to the values of method, cl to the values they had before calling the filters */ @@ -6749,11 +6819,10 @@ /*fprintf(stderr,"nextsearch: mixinorder valid %d stack=%p\n", obj->flags & XOTCL_MIXIN_ORDER_VALID, obj->mixinStack);*/ - if ((obj->flags & XOTCL_MIXIN_ORDER_VALID) && obj->mixinStack) { - *cmd = MixinSearchProc(interp, obj, *method, cl, proc, cp, currentCmd); + *cmd = MixinSearchProc(interp, obj, *method, cl, currentCmd); /*fprintf(stderr,"nextsearch: mixinsearch cmd %p, proc=%p\n",*cmd,*proc);*/ - if (*proc == 0) { + if (*cmd == 0) { if (csc->frameType == XOTCL_CSC_TYPE_ACTIVE_MIXIN) { endOfChain = 1; *cl = 0; @@ -6796,11 +6865,6 @@ *cl = 0; } - if (*cmd) { - *proc = Tcl_Command_objProc(*cmd); - *cp = Tcl_Command_objClientData(*cmd); - } - return; } @@ -6809,16 +6873,14 @@ char *givenMethod, int objc, Tcl_Obj *CONST objv[], int useCallstackObjs) { XOTclCallStackContent *csc = CallStackGetTopFrame(interp); - Tcl_ObjCmdProc *proc = 0; Tcl_Command cmd, currentCmd = NULL; - ClientData cp = 0; int result = TCL_OK, frameType = XOTCL_CSC_TYPE_PLAIN, isMixinEntry = 0, isFilterEntry = 0, endOfFilterChain = 0, decrObjv0 = 0; int nobjc; Tcl_Obj **nobjv; XOTclClass **cl = &givenCl; - char **method = &givenMethod; + char **methodName = &givenMethod; #if !defined(NDEBUG) if (useCallstackObjs) { @@ -6876,12 +6938,12 @@ /* * Search the next method & compute its method data */ - NextSearchMethod(obj, interp, csc, cl, method, &proc, &cmd, &cp, + NextSearchMethod(obj, interp, csc, cl, methodName, &cmd, &isMixinEntry, &isFilterEntry, &endOfFilterChain, ¤tCmd); /* fprintf(stderr, "NextSearchMethod -- RETURN: method=%s eoffc=%d,", - *method, endOfFilterChain); + *methodName, endOfFilterChain); if (obj) fprintf(stderr, " obj=%s,", ObjStr(obj->cmdName)); if ((*cl)) @@ -6892,7 +6954,7 @@ Tcl_ResetResult(interp); /* needed for bytecode support */ - if (proc != 0) { + if (cmd) { /* * change mixin state */ @@ -6932,9 +6994,8 @@ } csc->callType |= XOTCL_CSC_CALL_IS_NEXT; RUNTIME_STATE(interp)->unknown = 0; - - result = DoCallProcCheck(cp, (ClientData)obj, interp, nobjc, nobjv, cmd, - obj, *cl, *method, frameType, 1/*fromNext*/); + result = DoCallProcCheck((ClientData)obj, interp, nobjc, nobjv, cmd, + obj, *cl, *methodName, frameType); csc->callType &= ~XOTCL_CSC_CALL_IS_NEXT; @@ -7044,9 +7105,7 @@ static int FindSelfNext(Tcl_Interp *interp, XOTclObject *obj) { XOTclCallStackContent *csc = CallStackGetTopFrame(interp); - Tcl_ObjCmdProc *proc = 0; Tcl_Command cmd, currentCmd = 0; - ClientData cp = 0; int isMixinEntry = 0, isFilterEntry = 0, endOfFilterChain = 0; @@ -7056,16 +7115,16 @@ Tcl_ResetResult(interp); - methodName = (char *) GetSelfProc(interp); + methodName = (char *)GetSelfProc(interp); if (!methodName) return TCL_OK; - NextSearchMethod(o, interp, csc, &cl, &methodName, &proc, &cmd, &cp, + NextSearchMethod(o, interp, csc, &cl, &methodName, &cmd, &isMixinEntry, &isFilterEntry, &endOfFilterChain, ¤tCmd); if (cmd) { Tcl_SetObjResult(interp, getFullProcQualifier(interp, Tcl_GetCommandName(interp, cmd), - o, cl, cmd)); + o, cl, cmd)); } return TCL_OK; } @@ -7266,7 +7325,7 @@ fprintf(stderr, "### unsetInAllNamespaces variable '%s', current namespace '%s'\n", name, nsPtr ? nsPtr->fullName : "NULL"); - if (nsPtr != NULL) { + if (nsPtr) { Tcl_HashSearch search; Tcl_HashEntry *entryPtr = Tcl_FirstHashEntry(&nsPtr->childTable, &search); Tcl_Var *varPtr; @@ -7293,7 +7352,7 @@ Tcl_DStringFree(dsPtr); } - while (rc == 0 && entryPtr != NULL) { + while (rc == 0 && entryPtr) { Namespace *childNsPtr = (Namespace *) Tcl_GetHashValue(entryPtr); /*fprintf(stderr, "child = %s\n", childNsPtr->fullName);*/ entryPtr = Tcl_NextHashEntry(&search); @@ -7426,8 +7485,7 @@ if (obj->varTable) { TclDeleteVars(((Interp *)interp), obj->varTable); ckfree((char *)obj->varTable); - /* - FREE(obj->varTable, obj->varTable);*/ + /*FREE(obj->varTable, obj->varTable);*/ obj->varTable = 0; } @@ -7500,7 +7558,7 @@ XOTclObject *obj = (XOTclObject*)cd; Tcl_Interp *interp; - /*fprintf(stderr, "****** PrimitiveODestroy %p\n", obj);*/ + /* fprintf(stderr, "****** PrimitiveODestroy %p\n", obj);*/ assert(obj && !(obj->flags & XOTCL_DESTROYED)); /* @@ -7510,7 +7568,6 @@ if (!obj || !obj->teardown) return; interp = obj->teardown; - obj->teardown = 0; /* * Don't destroy, if the interpreter is destroyed already @@ -7522,7 +7579,7 @@ */ if (!(obj->flags & XOTCL_DESTROY_CALLED)) { callDestroyMethod(cd, interp, obj, 0); - obj->id = 0; + obj->id = NULL; } #ifdef OBJDELETION_TRACE @@ -7532,11 +7589,14 @@ CleanupDestroyObject(interp, obj, 0); - while (obj->mixinStack != NULL) + while (obj->mixinStack) MixinStackPop(obj); - while (obj->filterStack != NULL) + + while (obj->filterStack) FilterStackPop(obj); + obj->teardown = NULL; + #if 0 { /* Prevent that PrimitiveODestroy is called more than once. @@ -7546,16 +7606,15 @@ in Tcl 8.4.* versions. */ Tcl_Command cmd = Tcl_FindCommand(interp, ObjStr(obj->cmdName), 0, 0); - - if (cmd != NULL) - Tcl_Command_deleteProc(cmd) = 0; + if (cmd) + Tcl_Command_deleteProc(cmd) = NULL; } #endif if (obj->nsPtr) { /*fprintf(stderr,"primitive odestroy calls deletenamespace for obj %p\n", obj);*/ XOTcl_DeleteNamespace(interp, obj->nsPtr); - obj->nsPtr = 0; + obj->nsPtr = NULL; } /*fprintf(stderr, " +++ OBJ/CLS free: %s\n", ObjStr(obj->cmdName));*/ @@ -7611,8 +7670,8 @@ CleanupInitObject(interp, obj, cl, nsPtr, 0); /*obj->flags = XOTCL_MIXIN_ORDER_VALID | XOTCL_FILTER_ORDER_VALID;*/ - obj->mixinStack = 0; - obj->filterStack = 0; + obj->mixinStack = NULL; + obj->filterStack = NULL; } /* @@ -7744,7 +7803,7 @@ baseClass = theobj; } hPtr = &cl->instances ? Tcl_FirstHashEntry(&cl->instances, &hSrch) : 0; - for (; hPtr != 0; hPtr = Tcl_NextHashEntry(&hSrch)) { + for (; hPtr; hPtr = Tcl_NextHashEntry(&hSrch)) { XOTclObject *inst = (XOTclObject*)Tcl_GetHashKey(&cl->instances, hPtr); if (inst && inst != (XOTclObject*)cl && inst->id) { if (inst != &(baseClass->object)) { @@ -7833,25 +7892,25 @@ the creation statement defined the superclass, might be different the second time) */ - cl->sub = 0; + cl->sub = NULL; } - cl->super = 0; + cl->super = NULL; AddSuper(cl, RUNTIME_STATE(interp)->theObject); cl->color = WHITE; - cl->order = 0; - cl->parameters = 0; + cl->order = NULL; + cl->parameters = NULL; if (!softrecreate) { Tcl_InitHashTable(&cl->instances, TCL_ONE_WORD_KEYS); MEM_COUNT_ALLOC("Tcl_InitHashTable",&cl->instances); } if (!recreate) { - cl->opt = 0; + cl->opt = NULL; } - cl->nonposArgsTable = 0; + cl->nonposArgsTable = NULL; } /* @@ -7903,7 +7962,7 @@ PrimitiveODestroy(cd); /*fprintf(stderr,"primitive cdestroy calls deletenamespace for obj %p\n", cl);*/ - saved->clientData = 0; + saved->clientData = NULL; XOTcl_DeleteNamespace(interp, saved); return; @@ -8132,10 +8191,10 @@ /* * Find the namespace(s) that contain the command. */ - if ((flags & TCL_GLOBAL_ONLY) != 0) { + if (flags & TCL_GLOBAL_ONLY) { cxtNsPtr = Tcl_GetGlobalNamespace(interp); } - else if (contextNsPtr != NULL) { + else if (contextNsPtr) { cxtNsPtr = contextNsPtr; } else { @@ -8155,15 +8214,15 @@ cmd = NULL; for (search = 0; (search < 2) && (cmd == NULL); search++) { - if ((nsPtr[search] != NULL) && (simpleName != NULL)) { + if (nsPtr[search] && simpleName) { cmdTable = Tcl_Namespace_cmdTable(nsPtr[search]); entryPtr = Tcl_FindHashEntry(cmdTable, simpleName); - if (entryPtr != NULL) { + if (entryPtr) { cmd = (Tcl_Command) Tcl_GetHashValue(entryPtr); } } } - if (cmd != NULL) { + if (cmd) { Tcl_ObjCmdProc *objProc = Tcl_Command_objProc(cmd); if (NSisXOTclNamespace(cxtNsPtr) && objProc != XOTclObjDispatch && @@ -8177,7 +8236,7 @@ */ cmd = 0; nsPtr[0] = Tcl_GetGlobalNamespace(interp); - if ((nsPtr[0] != NULL) && (simpleName != NULL)) { + if (nsPtr[0] && simpleName) { cmdTable = Tcl_Namespace_cmdTable(nsPtr[0]); if ((entryPtr = Tcl_FindHashEntry(cmdTable, simpleName))) { cmd = (Tcl_Command) Tcl_GetHashValue(entryPtr); @@ -8293,7 +8352,7 @@ static int IsMetaClass(Tcl_Interp *interp, XOTclClass *cl) { /* check if cl is a meta-class by checking is Class is a superclass of cl*/ - XOTclClasses *pl, *checkList=0, *mixinClasses = 0, *mc; + XOTclClasses *pl, *checkList = NULL, *mixinClasses = NULL, *mc; int hasMCM = 0; if (cl == RUNTIME_STATE(interp)->theClass) @@ -8964,7 +9023,7 @@ * If we are executing inside a Tcl procedure, create a local * variable linked to the new namespace variable "varName". */ - if (varFramePtr != NULL && Tcl_CallFrame_isProcCallFrame(varFramePtr)) { + if (varFramePtr && Tcl_CallFrame_isProcCallFrame(varFramePtr)) { Proc *procPtr = Tcl_CallFrame_procPtr(varFramePtr); int localCt = procPtr->numCompiledLocals; CompiledLocal *localPtr = procPtr->firstLocalPtr; @@ -9070,22 +9129,22 @@ XOTclInstVar(XOTcl_Object *obji, Tcl_Interp *interp, char *name, char *destName) { XOTclObject *obj = (XOTclObject*) obji; int result; - Tcl_Obj *alias = 0; + Tcl_Obj *alias = NULL; ALLOC_ON_STACK(Tcl_Obj*, 2, objv); objv[0] = XOTclGlobalObjects[XOTE_INSTVAR]; objv[1] = Tcl_NewStringObj(name, -1); INCR_REF_COUNT(objv[1]); - if (destName != 0) { + if (destName) { alias = Tcl_NewStringObj(destName, -1); INCR_REF_COUNT(alias); Tcl_ListObjAppendElement(interp, objv[1], alias); } result = XOTclOInstVarMethod((ClientData) obj, interp, 2, objv); - if (destName != 0) { + if (destName) { DECR_REF_COUNT(alias); } DECR_REF_COUNT(objv[1]); @@ -9321,7 +9380,7 @@ } /*fprintf(stderr,"c==%c element = '%s'\n", c, element);*/ if (c == '%') { - Tcl_Obj *list = 0, **listElements; + Tcl_Obj *list = NULL, **listElements; int nrargs = objc-1, nrElements = 0; c = *++element; c1 = *(element+1); @@ -9440,7 +9499,7 @@ static int XOTclForwardMethod(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { forwardCmdClientData *tcd = (forwardCmdClientData *)cd; - int result, j, inputarg=1, outputarg=0; + int result, j, inputarg = 1, outputarg = 0; if (!tcd || !tcd->obj) return XOTclObjErrType(interp, objv[0], "Object"); /* it is a c-method; establish a value for the currentFramePtr */ @@ -9762,7 +9821,7 @@ && ocArgs > 0) { for (i = 0; i < ocArgs; i++) { char *option = ObjStr(ovArgs[i]); - if (option != 0) { + if (option) { switch (*option) { case 'i': if (strcmp(option, "instinvar") == 0) { @@ -9918,8 +9977,8 @@ if (objscope) { tcd = NEW(aliasCmdClientData); - tcd->cmdName = 0; - tcd->obj = allocation == 'c' ? &cl->object : obj; + tcd->cmdName = NULL; + tcd->obj = allocation == 'c' ? &cl->object : obj; tcd->objProc = objProc; tcd->cd = Tcl_Command_objClientData(cmd); objProc = XOTclObjscopedMethod; @@ -10219,24 +10278,22 @@ return TCL_OK; methodName = ObjStr(objv[1]); - cmdList = obj->filterOrder; - - while (cmdList) { + + for (cmdList = obj->filterOrder; cmdList; cmdList = cmdList->next) { CONST84 char *filterName = Tcl_GetCommandName(interp, cmdList->cmdPtr); if (filterName[0] == methodName[0] && !strcmp(filterName, methodName)) break; - cmdList = cmdList->next; } if (!cmdList) return TCL_OK; fcl = cmdList->clorobj; if (fcl && XOTclObjectIsClass(&fcl->object)) { - fobj = 0; + fobj = NULL; } else { fobj = (XOTclObject*)fcl; - fcl = 0; + fcl = NULL; } Tcl_SetObjResult(interp, @@ -10263,13 +10320,12 @@ MixinComputeDefined(interp, obj); if (obj->flags & XOTCL_MIXIN_ORDER_DEFINED_AND_VALID) { - XOTclCmdList *mixinList = obj->mixinOrder; - while (mixinList) { + XOTclCmdList *mixinList; + for (mixinList = obj->mixinOrder; mixinList; mixinList = mixinList->next) { XOTclClass *mcl = XOTclpGetClass(interp, (char *)Tcl_GetCommandName(interp, mixinList->cmdPtr)); if (mcl && (pcl = SearchCMethod(mcl, methodName, &cmd))) { break; } - mixinList = mixinList->next; } } @@ -11190,7 +11246,7 @@ if (getMatchObject(interp, &pattern, &matchObject, dsPtr) == -1) { return TCL_OK; } - /*XXX*/ + rc = AppendMatchingElementsFromCmdList(interp, opt->isObjectMixinOf, pattern, matchObject); if (matchObject) { Tcl_SetObjResult(interp, rc ? matchObject->cmdName : XOTclGlobalObjects[XOTE_EMPTY]); @@ -11309,7 +11365,7 @@ if (withClosure) { XOTclClasses *saved = cl->order, *subclasses; - cl->order = 0; + cl->order = NULL; subclasses = ComputeOrder(cl, cl->order, Sub); cl->order = saved; if (subclasses) subclasses=subclasses->next; @@ -11350,7 +11406,7 @@ static int XOTclCParameterMethod(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { XOTclClass *cl = XOTclObjectToClass(cd); - Tcl_Obj **pv = 0; + Tcl_Obj **pv; int elts, pc, result; char * params; if (!cl) return XOTclObjErrType(interp, objv[0], "Class"); @@ -11363,7 +11419,7 @@ /* did we delete the parameters ? */ params = ObjStr(objv[1]); if ((params == NULL) || (*params == '\0')) { - cl->parameters = 0; + cl->parameters = NULL; return TCL_OK; } @@ -11402,7 +11458,7 @@ } if ((paramClStr == NULL) || (*paramClStr == '\0')) { if (opt) - opt->parameterClass = 0; + opt->parameterClass = NULL; } else { opt = XOTclRequireClassOpt(cl); opt->parameterClass = objv[1]; @@ -11482,9 +11538,9 @@ char *element = ObjStr(objv[i]); tcd->needobjmap |= (*element == '%' && *(element+1) == '@'); - if (tcd->cmdName == 0) { + if (tcd->cmdName == NULL) { tcd->cmdName = objv[i]; - } else if (tcd->args == 0) { + } else if (tcd->args == NULL) { tcd->args = Tcl_NewListObj(1, &objv[i]); tcd->nr_args++; INCR_REF_COUNT(tcd->args); @@ -11530,7 +11586,7 @@ } } - tcd->passthrough = !tcd->args && *(ObjStr(tcd->cmdName)) != '%' && tcd->objProc != NULL; + tcd->passthrough = !tcd->args && *(ObjStr(tcd->cmdName)) != '%' && tcd->objProc; /*fprintf(stderr, "forward args = %p, name = '%s'\n", tcd->args, ObjStr(tcd->cmdName));*/ if (rc == TCL_OK) { @@ -11612,7 +11668,7 @@ CallStackUseActiveFrames(interp, &ctx); vn = NSTail(fullName); - if (Tcl_SetVar2(interp, vn, NULL, fullName, 0) != NULL) { + if (Tcl_SetVar2(interp, vn, NULL, fullName, 0)) { XOTclObjectOpt *opt = XOTclRequireObjectOpt(obj); /*fprintf(stderr,"### setting trace for %s\n", fullName);*/ @@ -11813,7 +11869,7 @@ nonposArgsTable = obj->nonposArgsTable; } - if (obj == 0) { + if (obj == NULL) { return XOTclVarErrMsg(interp, "CopyCmds argument 1 (",ObjStr(objv[1]),") is not an object", NULL); } @@ -11828,7 +11884,7 @@ */ cmdTable = Tcl_Namespace_cmdTable(ns); hPtr = Tcl_FirstHashEntry(cmdTable, &hSrch); - while (hPtr != NULL) { + while (hPtr) { name = Tcl_GetHashKey(cmdTable, hPtr); /* @@ -11848,8 +11904,7 @@ * Otherwise: do not copy */ cmd = Tcl_FindCommand(interp, newName, 0, 0); - - if (cmd != NULL) { + if (cmd) { /*fprintf(stderr, "%s already exists\n", newName);*/ if (!XOTclpGetObject(interp, newName)) { /* command or instproc will be deleted & then copied */ @@ -11868,7 +11923,6 @@ * be found */ cmd = Tcl_FindCommand(interp, oldName, 0, 0); - if (cmd == NULL) { Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), "can't copy ", " \"", oldName, "\": command doesn't exist", @@ -11904,7 +11958,7 @@ arglistObj = Tcl_NewListObj(0, NULL); INCR_REF_COUNT(arglistObj); - for (localPtr = procPtr->firstLocalPtr; localPtr != NULL; + for (localPtr = procPtr->firstLocalPtr; localPtr; localPtr = localPtr->nextPtr) { if (TclIsCompiledLocalArgument(localPtr)) { @@ -11913,8 +11967,7 @@ /* check for default values */ if ((GetProcDefault(interp, cmdTable, name, - localPtr->name, &defVal) == TCL_OK) && - (defVal != 0)) { + localPtr->name, &defVal) == TCL_OK) && defVal) { Tcl_AppendStringsToObj(defStringObj, " ", ObjStr(defVal), (char *) NULL); } @@ -11996,7 +12049,7 @@ ClientData cd; if (objProc) { cd = Tcl_Command_objClientData(cmd); - if (cd == 0 || cd == XOTCL_NONLEAF_METHOD) { + if (cd == NULL || cd == XOTCL_NONLEAF_METHOD) { /* if client data not null, we would have to copy the client data; we don't know its size...., so rely on introspection for copying */ @@ -12005,7 +12058,7 @@ } } else { cd = Tcl_Command_clientData(cmd); - if (cd == 0 || cd == XOTCL_NONLEAF_METHOD) { + if (cd == NULL || cd == XOTCL_NONLEAF_METHOD) { Tcl_CreateCommand(interp, newName, Tcl_Command_proc(cmd), Tcl_Command_clientData(cmd), deleteProc); } @@ -12074,7 +12127,7 @@ /* copy all vars in the namespace */ hPtr = varTable ? Tcl_FirstHashEntry(VarHashTable(varTable), &hSrch) : 0; - while (hPtr != NULL) { + while (hPtr) { getVarAndNameFromHash(hPtr, &varPtr, &varNameObj); INCR_REF_COUNT(varNameObj); @@ -12100,7 +12153,7 @@ TclVarHashTable *aTable = valueOfVar(TclVarHashTable, varPtr, tablePtr); Tcl_HashSearch ahSrch; Tcl_HashEntry *ahPtr = aTable ? Tcl_FirstHashEntry(VarHashTable(aTable), &ahSrch) :0; - for (; ahPtr != 0; ahPtr = Tcl_NextHashEntry(&ahSrch)) { + for (; ahPtr; ahPtr = Tcl_NextHashEntry(&ahSrch)) { Tcl_Obj *eltNameObj; Var *eltVar; @@ -12148,14 +12201,15 @@ int result; if (objc < 2) return XOTclObjErrArgCnt(interp, objv[0], "::xotcl::my method ?args?"); if ((self = GetSelfObj(interp))) { - result = callMethod((ClientData)self, interp, objv[1], objc, objv+2, 0); - } else { + result = DoDispatch((ClientData)self, interp, objc, objv, 0); + } else { result = XOTclVarErrMsg(interp, "Cannot resolve 'self', probably called outside the context of an XOTcl Object", (char *) NULL); } return result; } +#if defined(PRE85) int XOTclInitProcNSCmd(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { Tcl_CallFrame *varFramePtr = (Tcl_CallFrame *) Tcl_Interp_varFramePtr(interp); @@ -12171,7 +12225,7 @@ XOTclCallStackDump(interp); #endif - if (RUNTIME_STATE(interp)->cs.top->currentFramePtr == 0) { + if (RUNTIME_STATE(interp)->cs.top->currentFramePtr == NULL) { RUNTIME_STATE(interp)->cs.top->currentFramePtr = varFramePtr; } /* else { @@ -12187,6 +12241,7 @@ #endif return TCL_OK; } +#endif /* * Interpretation of Non-Positional Args @@ -12470,7 +12525,7 @@ varPtr = TclVarTraceExists(interp, ObjStr(npav[0])); invocation[2] = npav[0]; ic = 3; - if ((varPtr != NULL) && !TclIsVarUndefined(varPtr)) { + if (varPtr && !TclIsVarUndefined(varPtr)) { invocation[3] = Tcl_ObjGetVar2(interp, npav[0], 0, 0); ic = 4; } @@ -12554,7 +12609,7 @@ Tcl_HashEntry *hPtr; if (cl && cl->object.refCount>0) { /*fprintf(stderr,"checkallinstances %d cl=%p '%s'\n", lvl, cl, ObjStr(cl->object.cmdName));*/ - for (hPtr = Tcl_FirstHashEntry(&cl->instances, &search); hPtr != NULL; + for (hPtr = Tcl_FirstHashEntry(&cl->instances, &search); hPtr; hPtr = Tcl_NextHashEntry(&search)) { XOTclObject *inst = (XOTclObject*) Tcl_GetHashKey(&cl->instances, hPtr); assert(inst); @@ -12581,19 +12636,16 @@ register Tcl_HashEntry *entryPtr; char *varName; - entryPtr = Tcl_FirstHashEntry(varTable, &search); - while (entryPtr != NULL) { + for (entryPtr = Tcl_FirstHashEntry(varTable, &search); entryPtr; entryPtr = Tcl_NextHashEntry(&search)) { Tcl_Obj *nameObj; getVarAndNameFromHash(entryPtr, &varPtr, &nameObj); if (!TclIsVarUndefined(varPtr) || TclIsVarNamespaceVar(varPtr)) { /* fprintf(stderr, "unsetting var %s\n", ObjStr(nameObj));*/ Tcl_UnsetVar2(interp, ObjStr(nameObj), (char *)NULL, TCL_GLOBAL_ONLY); } - entryPtr = Tcl_NextHashEntry(&search); } - entryPtr = Tcl_FirstHashEntry(cmdTable, &search); - while (entryPtr) { + for (entryPtr = Tcl_FirstHashEntry(cmdTable, &search); entryPtr; entryPtr = Tcl_NextHashEntry(&search)) { cmd = (Tcl_Command)Tcl_GetHashValue(entryPtr); if (Tcl_Command_objProc(cmd) == RUNTIME_STATE(interp)->objInterpProc) { @@ -12605,7 +12657,6 @@ Tcl_DeleteCommandFromToken(interp, cmd); } - entryPtr = Tcl_NextHashEntry(&search); } } #endif @@ -12928,10 +12979,10 @@ extern int Xotcl_Init(Tcl_Interp *interp) { - XOTclClass *theobj = 0; - XOTclClass *thecls = 0; - XOTclClass *paramCl = 0; - XOTclClass *nonposArgsCl = 0; + XOTclClass *theobj = NULL; + XOTclClass *thecls = NULL; + XOTclClass *paramCl = NULL; + XOTclClass *nonposArgsCl = NULL; ClientData runtimeState; int result, i; #ifdef XOTCL_BYTECODE @@ -13216,10 +13267,12 @@ Tcl_CreateObjCommand(interp, "::xotcl::configure", XOTclConfigureCommand, 0, 0); Tcl_CreateObjCommand(interp, "::xotcl::deprecated", XOTcl_DeprecatedCmd, 0, 0); Tcl_CreateObjCommand(interp, "::xotcl::finalize", XOTclFinalizeObjCmd, 0, 0); +#if defined(PRE85) #ifdef XOTCL_BYTECODE instructions[INST_INITPROC].cmdPtr = (Command *) #endif Tcl_CreateObjCommand(interp, "::xotcl::initProcNS", XOTclInitProcNSCmd, 0, 0); +#endif Tcl_CreateObjCommand(interp, "::xotcl::interpretNonpositionalArgs", XOTclInterpretNonpositionalArgsCmd, 0, 0); Tcl_CreateObjCommand(interp, "::xotcl::interp", XOTcl_InterpObjCmd, 0, 0);