diff options
Diffstat (limited to 'generic/tclDictObj.c')
-rw-r--r-- | generic/tclDictObj.c | 89 |
1 files changed, 54 insertions, 35 deletions
diff --git a/generic/tclDictObj.c b/generic/tclDictObj.c index 15fbe1e..970978f 100644 --- a/generic/tclDictObj.c +++ b/generic/tclDictObj.c @@ -70,18 +70,12 @@ static inline void DeleteChainTable(struct Dict *dict); static inline Tcl_HashEntry *CreateChainEntry(struct Dict *dict, Tcl_Obj *keyPtr, int *newPtr); static inline int DeleteChainEntry(struct Dict *dict, Tcl_Obj *keyPtr); -static int FinalizeDictUpdate(ClientData data[], - Tcl_Interp *interp, int result); -static int FinalizeDictWith(ClientData data[], - Tcl_Interp *interp, int result); -static int DictForNRCmd(ClientData dummy, Tcl_Interp *interp, - int objc, Tcl_Obj *const *objv); -static int DictMapNRCmd(ClientData dummy, Tcl_Interp *interp, - int objc, Tcl_Obj *const *objv); -static int DictForLoopCallback(ClientData data[], - Tcl_Interp *interp, int result); -static int DictMapLoopCallback(ClientData data[], - Tcl_Interp *interp, int result); +static Tcl_NRPostProc FinalizeDictUpdate; +static Tcl_NRPostProc FinalizeDictWith; +static Tcl_ObjCmdProc DictForNRCmd; +static Tcl_ObjCmdProc DictMapNRCmd; +static Tcl_NRPostProc DictForLoopCallback; +static Tcl_NRPostProc DictMapLoopCallback; /* * Table of dict subcommand names and implementations. @@ -148,7 +142,7 @@ typedef struct Dict { * the entries in the order that they are * created. */ int epoch; /* Epoch counter */ - int refcount; /* Reference counter (see above) */ + size_t refCount; /* Reference counter (see above) */ Tcl_Obj *chain; /* Linked list used for invalidating the * string representations of updated nested * dictionaries. */ @@ -398,7 +392,7 @@ DupDictInternalRep( newDict->epoch = 0; newDict->chain = NULL; - newDict->refcount = 1; + newDict->refCount = 1; /* * Store in the object. @@ -433,8 +427,7 @@ FreeDictInternalRep( { Dict *dict = DICT(dictPtr); - dict->refcount--; - if (dict->refcount <= 0) { + if (dict->refCount-- <= 1) { DeleteDict(dict); } dictPtr->typePtr = NULL; @@ -513,7 +506,7 @@ UpdateStringOfDict( /* Handle empty list case first, simplifies what follows */ if (numElems == 0) { - dictPtr->bytes = tclEmptyStringRep; + dictPtr->bytes = &tclEmptyString; dictPtr->length = 0; return; } @@ -631,7 +624,7 @@ SetDictFromAny( } for (i=0 ; i<objc ; i+=2) { - + /* Store key and value in the hash table we're building. */ hPtr = CreateChainEntry(dict, objv[i], &isNew); if (!isNew) { @@ -719,7 +712,7 @@ SetDictFromAny( TclFreeIntRep(objPtr); dict->epoch = 0; dict->chain = NULL; - dict->refcount = 1; + dict->refCount = 1; DICT(objPtr) = dict; objPtr->internalRep.twoPtrValue.ptr2 = NULL; objPtr->typePtr = &tclDictType; @@ -1123,7 +1116,7 @@ Tcl_DictObjFirst( searchPtr->dictionaryPtr = (Tcl_Dict) dict; searchPtr->epoch = dict->epoch; searchPtr->next = cPtr->nextPtr; - dict->refcount++; + dict->refCount++; if (keyPtrPtr != NULL) { *keyPtrPtr = Tcl_GetHashKey(&dict->table, &cPtr->entry); } @@ -1237,8 +1230,7 @@ Tcl_DictObjDone( if (searchPtr->epoch != -1) { searchPtr->epoch = -1; dict = (Dict *) searchPtr->dictionaryPtr; - dict->refcount--; - if (dict->refcount <= 0) { + if (dict->refCount-- <= 1) { DeleteDict(dict); } } @@ -1390,7 +1382,7 @@ Tcl_NewDictObj(void) InitChainTable(dict); dict->epoch = 0; dict->chain = NULL; - dict->refcount = 1; + dict->refCount = 1; DICT(dictPtr) = dict; dictPtr->internalRep.twoPtrValue.ptr2 = NULL; dictPtr->typePtr = &tclDictType; @@ -1440,7 +1432,7 @@ Tcl_DbNewDictObj( InitChainTable(dict); dict->epoch = 0; dict->chain = NULL; - dict->refcount = 1; + dict->refCount = 1; DICT(dictPtr) = dict; dictPtr->internalRep.twoPtrValue.ptr2 = NULL; dictPtr->typePtr = &tclDictType; @@ -2288,7 +2280,7 @@ DictAppendCmd( Tcl_Obj *const *objv) { Tcl_Obj *dictPtr, *valuePtr, *resultPtr; - int i, allocatedDict = 0; + int allocatedDict = 0; if (objc < 3) { Tcl_WrongNumArgs(interp, 1, objv, "dictVarName key ?value ...?"); @@ -2311,17 +2303,44 @@ DictAppendCmd( return TCL_ERROR; } - if (valuePtr == NULL) { - TclNewObj(valuePtr); - } else if (Tcl_IsShared(valuePtr)) { - valuePtr = Tcl_DuplicateObj(valuePtr); - } + if ((objc > 3) || (valuePtr == NULL)) { + /* Only go through append activites when something will change. */ + Tcl_Obj *appendObjPtr = NULL; + + if (objc > 3) { + /* Something to append */ + + if (objc == 4) { + appendObjPtr = objv[3]; + } else if (TCL_OK != TclStringCatObjv(interp, /* inPlace */ 1, + objc-3, objv+3, &appendObjPtr)) { + return TCL_ERROR; + } + } + + if (appendObjPtr == NULL) { + /* => (objc == 3) => (valuePtr == NULL) */ + TclNewObj(valuePtr); + } else if (valuePtr == NULL) { + valuePtr = appendObjPtr; + appendObjPtr = NULL; + } + + if (appendObjPtr) { + if (Tcl_IsShared(valuePtr)) { + valuePtr = Tcl_DuplicateObj(valuePtr); + } - for (i=3 ; i<objc ; i++) { - Tcl_AppendObjToObj(valuePtr, objv[i]); + Tcl_AppendObjToObj(valuePtr, appendObjPtr); + } + + Tcl_DictObjPut(NULL, dictPtr, objv[2], valuePtr); } - Tcl_DictObjPut(NULL, dictPtr, objv[2], valuePtr); + /* + * Even if nothing changed, we still overwrite so that variable + * trace expectations are met. + */ resultPtr = Tcl_ObjSetVar2(interp, objv[1], NULL, dictPtr, TCL_LEAVE_ERR_MSG); @@ -3051,14 +3070,14 @@ DictFilterCmd( Tcl_IncrRefCount(valueObj); if (Tcl_ObjSetVar2(interp, keyVarObj, NULL, keyObj, TCL_LEAVE_ERR_MSG) == NULL) { - Tcl_AddErrorInfo(interp, + Tcl_AddErrorInfo(interp, "\n (\"dict filter\" filter script key variable)"); result = TCL_ERROR; goto abnormalResult; } if (Tcl_ObjSetVar2(interp, valueVarObj, NULL, valueObj, TCL_LEAVE_ERR_MSG) == NULL) { - Tcl_AddErrorInfo(interp, + Tcl_AddErrorInfo(interp, "\n (\"dict filter\" filter script value variable)"); result = TCL_ERROR; goto abnormalResult; |