diff options
Diffstat (limited to 'generic/tclVar.c')
-rw-r--r-- | generic/tclVar.c | 206 |
1 files changed, 123 insertions, 83 deletions
diff --git a/generic/tclVar.c b/generic/tclVar.c index 3370f9d..1c01e41 100644 --- a/generic/tclVar.c +++ b/generic/tclVar.c @@ -15,11 +15,10 @@ * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclVar.c,v 1.205 2010/09/27 17:36:48 msofer Exp $ */ #include "tclInt.h" +#include "tclOOInt.h" /* * Prototypes for the variable hash key methods. @@ -296,7 +295,7 @@ CleanupVar( && !TclIsVarTraced(varPtr) && (VarHashRefCount(varPtr) == !TclIsVarDeadHash(varPtr))) { if (VarHashRefCount(varPtr) == 0) { - ckfree((char *) varPtr); + ckfree(varPtr); } else { VarHashDeleteEntry(varPtr); } @@ -305,7 +304,7 @@ CleanupVar( TclIsVarInHash(arrayPtr) && !TclIsVarTraced(arrayPtr) && (VarHashRefCount(arrayPtr) == !TclIsVarDeadHash(arrayPtr))) { if (VarHashRefCount(arrayPtr) == 0) { - ckfree((char *) arrayPtr); + ckfree(arrayPtr); } else { VarHashDeleteEntry(arrayPtr); } @@ -662,7 +661,7 @@ TclObjLookupVarEx( len2 = len1 - i - 2; len1 = i; - newPart2 = ckalloc((unsigned) (len2+1)); + newPart2 = ckalloc(len2 + 1); memcpy(newPart2, part2, (unsigned) len2); *(newPart2+len2) = '\0'; part2 = newPart2; @@ -705,7 +704,6 @@ TclObjLookupVarEx( */ TclFreeIntRep(part1Ptr); - part1Ptr->typePtr = NULL; varPtr = TclLookupSimpleVar(interp, part1Ptr, flags, createPart1, &errMsg, &index); @@ -765,7 +763,7 @@ TclObjLookupVarEx( } donePart1: -#if 0 +#if 0 /* ENABLE_NS_VARNAME_CACHING perhaps? */ if (varPtr == NULL) { if (flags & TCL_LEAVE_ERR_MSG) { part1 = TclGetString(part1Ptr); @@ -1026,8 +1024,7 @@ TclLookupSimpleVar( tablePtr = varFramePtr->varTablePtr; if (create) { if (tablePtr == NULL) { - tablePtr = (TclVarHashTable *) - ckalloc(sizeof(TclVarHashTable)); + tablePtr = ckalloc(sizeof(TclVarHashTable)); TclInitVarHashTable(tablePtr, NULL); varFramePtr->varTablePtr = tablePtr; } @@ -1139,7 +1136,7 @@ TclLookupArrayElement( } TclSetVarArray(arrayPtr); - tablePtr = (TclVarHashTable *) ckalloc(sizeof(TclVarHashTable)); + tablePtr = ckalloc(sizeof(TclVarHashTable)); arrayPtr->value.tablePtr = tablePtr; if (TclIsVarInHash(arrayPtr) && TclGetVarNsPtr(arrayPtr)) { @@ -1830,6 +1827,7 @@ TclPtrSetVar( Tcl_Obj *oldValuePtr; Tcl_Obj *resultPtr = NULL; int result; + int cleanupOnEarlyError = (newValuePtr->refCount == 0); /* * If the variable is in a hashtable and its hPtr field is NULL, then we @@ -1895,7 +1893,7 @@ TclPtrSetVar( varPtr->value.objPtr = NULL; } if (flags & (TCL_APPEND_VALUE|TCL_LIST_ELEMENT)) { -#if 0 +#if 0 /* ENABLE_NS_VARNAME_CACHING perhaps? */ /* * Can't happen now! */ @@ -2001,7 +1999,7 @@ TclPtrSetVar( return resultPtr; earlyError: - if (newValuePtr->refCount == 0) { + if (cleanupOnEarlyError) { Tcl_DecrRefCount(newValuePtr); } goto cleanup; @@ -2364,7 +2362,6 @@ TclPtrUnsetVar( if (part1Ptr->typePtr == &tclNsVarNameType) { TclFreeIntRep(part1Ptr); - part1Ptr->typePtr = NULL; } #endif @@ -2673,13 +2670,14 @@ Tcl_AppendObjCmd( /* * Note that we do not need to increase the refCount of the Var * pointers: should a trace delete the variable, the return value - * of TclPtrSetVar will be NULL, and we will not access the - * variable again. + * of TclPtrSetVar will be NULL or emptyObjPtr, and we will not + * access the variable again. */ varValuePtr = TclPtrSetVar(interp, varPtr, arrayPtr, objv[1], NULL, objv[i], TCL_APPEND_VALUE|TCL_LEAVE_ERR_MSG, -1); - if (varValuePtr == NULL) { + if ((varValuePtr == NULL) || + (varValuePtr == ((Interp *) interp)->emptyObjPtr)) { return TCL_ERROR; } } @@ -2992,8 +2990,7 @@ TclArraySet( } } TclSetVarArray(varPtr); - varPtr->value.tablePtr = (TclVarHashTable *) - ckalloc(sizeof(TclVarHashTable)); + varPtr->value.tablePtr = ckalloc(sizeof(TclVarHashTable)); TclInitVarHashTable(varPtr->value.tablePtr, TclGetVarNsPtr(varPtr)); return TCL_OK; } @@ -3068,7 +3065,8 @@ ArrayStartSearchCmd( if ((varPtr == NULL) || !TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr)) { - Tcl_AppendResult(interp, "\"", varName, "\" isn't an array", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't an array", varName)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAY", varName, NULL); return TCL_ERROR; } @@ -3077,25 +3075,22 @@ ArrayStartSearchCmd( * Make a new array search with a free name. */ - searchPtr = (ArraySearch *) ckalloc(sizeof(ArraySearch)); + searchPtr = ckalloc(sizeof(ArraySearch)); hPtr = Tcl_CreateHashEntry(&iPtr->varSearches, varPtr, &isNew); if (isNew) { searchPtr->id = 1; - Tcl_AppendResult(interp, "s-1-", varName, NULL); varPtr->flags |= VAR_SEARCH_ACTIVE; searchPtr->nextPtr = NULL; } else { - char string[TCL_INTEGER_SPACE]; - searchPtr->id = ((ArraySearch *) Tcl_GetHashValue(hPtr))->id + 1; - TclFormatInt(string, searchPtr->id); - Tcl_AppendResult(interp, "s-", string, "-", varName, NULL); searchPtr->nextPtr = Tcl_GetHashValue(hPtr); } searchPtr->varPtr = varPtr; searchPtr->nextEntry = VarHashFirstEntry(varPtr->value.tablePtr, &searchPtr->search); Tcl_SetHashValue(hPtr, searchPtr); + Tcl_SetObjResult(interp, + Tcl_ObjPrintf("s-%d-%s", searchPtr->id, varName)); return TCL_OK; } @@ -3166,8 +3161,8 @@ ArrayAnyMoreCmd( if ((varPtr == NULL) || !TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr)) { - Tcl_AppendResult(interp, "\"", TclGetString(varNameObj), - "\" isn't an array", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't an array", TclGetString(varNameObj))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAY", TclGetString(varNameObj), NULL); return TCL_ERROR; @@ -3272,8 +3267,8 @@ ArrayNextElementCmd( if ((varPtr == NULL) || !TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr)) { - Tcl_AppendResult(interp, "\"", TclGetString(varNameObj), - "\" isn't an array", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't an array", TclGetString(varNameObj))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAY", TclGetString(varNameObj), NULL); return TCL_ERROR; @@ -3382,8 +3377,8 @@ ArrayDoneSearchCmd( if ((varPtr == NULL) || !TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr)) { - Tcl_AppendResult(interp, "\"", TclGetString(varNameObj), - "\" isn't an array", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't an array", TclGetString(varNameObj))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAY", TclGetString(varNameObj), NULL); return TCL_ERROR; @@ -3419,7 +3414,7 @@ ArrayDoneSearchCmd( } } } - ckfree((char *) searchPtr); + ckfree(searchPtr); return TCL_OK; } @@ -4025,8 +4020,8 @@ ArrayStatsCmd( if ((varPtr == NULL) || !TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr)) { - Tcl_AppendResult(interp, "\"", TclGetString(varNameObj), - "\" isn't an array", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't an array", TclGetString(varNameObj))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAY", TclGetString(varNameObj), NULL); return TCL_ERROR; @@ -4034,7 +4029,8 @@ ArrayStatsCmd( stats = Tcl_HashStats((Tcl_HashTable *) varPtr->value.tablePtr); if (stats == NULL) { - Tcl_SetResult(interp, "error reading array statistics", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "error reading array statistics", -1)); return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewStringObj(stats, -1)); @@ -4226,18 +4222,18 @@ TclInitArrayCmd( Tcl_Interp *interp) /* Current interpreter. */ { static const EnsembleImplMap arrayImplMap[] = { - {"anymore", ArrayAnyMoreCmd, NULL, NULL, NULL}, - {"donesearch", ArrayDoneSearchCmd, NULL, NULL, NULL}, - {"exists", ArrayExistsCmd, NULL, NULL, NULL}, - {"get", ArrayGetCmd, NULL, NULL, NULL}, - {"names", ArrayNamesCmd, NULL, NULL, NULL}, - {"nextelement", ArrayNextElementCmd, NULL, NULL, NULL}, - {"set", ArraySetCmd, NULL, NULL, NULL}, - {"size", ArraySizeCmd, NULL, NULL, NULL}, - {"startsearch", ArrayStartSearchCmd, NULL, NULL, NULL}, - {"statistics", ArrayStatsCmd, NULL, NULL, NULL}, - {"unset", ArrayUnsetCmd, NULL, NULL, NULL}, - {NULL, NULL, NULL, NULL, NULL} + {"anymore", ArrayAnyMoreCmd, NULL, NULL, NULL, 0}, + {"donesearch", ArrayDoneSearchCmd, NULL, NULL, NULL, 0}, + {"exists", ArrayExistsCmd, TclCompileArrayExistsCmd, NULL, NULL, 0}, + {"get", ArrayGetCmd, NULL, NULL, NULL, 0}, + {"names", ArrayNamesCmd, NULL, NULL, NULL, 0}, + {"nextelement", ArrayNextElementCmd, NULL, NULL, NULL, 0}, + {"set", ArraySetCmd, TclCompileArraySetCmd, NULL, NULL, 0}, + {"size", ArraySizeCmd, NULL, NULL, NULL, 0}, + {"startsearch", ArrayStartSearchCmd, NULL, NULL, NULL, 0}, + {"statistics", ArrayStatsCmd, NULL, NULL, NULL, 0}, + {"unset", ArrayUnsetCmd, TclCompileArrayUnsetCmd, NULL, NULL, 0}, + {NULL, NULL, NULL, NULL, NULL, 0} }; return TclMakeEnsemble(interp, "array", arrayImplMap); @@ -4323,10 +4319,10 @@ ObjMakeUpvar( || (varFramePtr == NULL) || !HasLocalVars(varFramePtr) || (strstr(TclGetString(myNamePtr), "::") != NULL))) { - Tcl_AppendResult((Tcl_Interp *) iPtr, "bad variable name \"", - TclGetString(myNamePtr), "\": upvar won't create " + Tcl_SetObjResult((Tcl_Interp *) iPtr, Tcl_ObjPrintf( + "bad variable name \"%s\": upvar won't create " "namespace variable that refers to procedure variable", - NULL); + TclGetString(myNamePtr))); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "INVERTED", NULL); return TCL_ERROR; } @@ -4424,9 +4420,10 @@ TclPtrObjMakeUpvar( * myName looks like an array reference. */ - Tcl_AppendResult((Tcl_Interp *) iPtr, "bad variable name \"", - myName, "\": upvar won't create a scalar variable " - "that looks like an array element", NULL); + Tcl_SetObjResult((Tcl_Interp *) iPtr, Tcl_ObjPrintf( + "bad variable name \"%s\": upvar won't create a" + " scalar variable that looks like an array element", + myName)); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "LOCAL_ELEMENT", NULL); return TCL_ERROR; @@ -4453,15 +4450,15 @@ TclPtrObjMakeUpvar( } if (varPtr == otherPtr) { - Tcl_SetResult((Tcl_Interp *) iPtr, - "can't upvar from variable to itself", TCL_STATIC); + Tcl_SetObjResult((Tcl_Interp *) iPtr, Tcl_NewStringObj( + "can't upvar from variable to itself", -1)); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "SELF", NULL); return TCL_ERROR; } if (TclIsVarTraced(varPtr)) { - Tcl_AppendResult((Tcl_Interp *) iPtr, "variable \"", myName, - "\" has traces: can't use for upvar", NULL); + Tcl_SetObjResult((Tcl_Interp *) iPtr, Tcl_ObjPrintf( + "variable \"%s\" has traces: can't use for upvar", myName)); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "TRACED", NULL); return TCL_ERROR; } else if (!TclIsVarUndefined(varPtr)) { @@ -4475,8 +4472,8 @@ TclPtrObjMakeUpvar( */ if (!TclIsVarLink(varPtr)) { - Tcl_AppendResult((Tcl_Interp *) iPtr, "variable \"", myName, - "\" already exists", NULL); + Tcl_SetObjResult((Tcl_Interp *) iPtr, Tcl_ObjPrintf( + "variable \"%s\" already exists", myName)); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "EXISTS", NULL); return TCL_ERROR; } @@ -4974,8 +4971,8 @@ Tcl_UpvarObjCmd( * for this particular case. */ - Tcl_AppendResult(interp, "bad level \"", TclGetString(levelObj), "\"", - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad level \"%s\"", TclGetString(levelObj))); Tcl_SetErrorCode(interp, "TCL", "VALUE", "LEVEL", NULL); return TCL_ERROR; } @@ -4984,8 +4981,8 @@ Tcl_UpvarObjCmd( * We've now finished with parsing levels; skip to the variable names. */ - objc -= hasLevel+1; - objv += hasLevel+1; + objc -= hasLevel + 1; + objv += hasLevel + 1; /* * Iterate over each (other variable, local variable) pair. Divide the @@ -5066,8 +5063,8 @@ SetArraySearchObj( return TCL_OK; syntax: - Tcl_AppendResult(interp, "illegal search identifier \"", string, "\"", - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "illegal search identifier \"%s\"", string)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAYSEARCH", string, NULL); return TCL_ERROR; } @@ -5132,10 +5129,9 @@ ParseSearchId( */ if (strcmp(string+offset, varName) != 0) { - Tcl_AppendResult(interp, "search identifier \"", string, - "\" isn't for variable \"", varName, "\"", NULL); - Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAYSEARCH", string, - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "search identifier \"%s\" isn't for variable \"%s\"", + string, varName)); goto badLookup; } @@ -5159,7 +5155,8 @@ ParseSearchId( } } } - Tcl_AppendResult(interp, "couldn't find search \"", string, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "couldn't find search \"%s\"", string)); badLookup: Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ARRAYSEARCH", string, NULL); return NULL; @@ -5196,7 +5193,7 @@ DeleteSearches( for (searchPtr = Tcl_GetHashValue(sPtr); searchPtr != NULL; searchPtr = nextPtr) { nextPtr = searchPtr->nextPtr; - ckfree((char *) searchPtr); + ckfree(searchPtr); } arrayVarPtr->flags &= ~VAR_SEARCH_ACTIVE; Tcl_DeleteHashEntry(sPtr); @@ -5479,13 +5476,13 @@ DeleteArray( TclClearVarNamespaceVar(elPtr); } VarHashDeleteTable(varPtr->value.tablePtr); - ckfree((char *) varPtr->value.tablePtr); + ckfree(varPtr->value.tablePtr); } /* *---------------------------------------------------------------------- * - * TclTclObjVarErrMsg -- + * TclObjVarErrMsg -- * * Generate a reasonable error message describing why a variable * operation failed. @@ -5699,7 +5696,7 @@ DupParsedVarName( if (arrayPtr != NULL) { Tcl_IncrRefCount(arrayPtr); elemLen = strlen(elem); - elemCopy = ckalloc(elemLen+1); + elemCopy = ckalloc(elemLen + 1); memcpy(elemCopy, elem, elemLen); *(elemCopy + elemLen) = '\0'; elem = elemCopy; @@ -5732,7 +5729,7 @@ UpdateParsedVarName( len2 = strlen(part2); totalLen = len1 + len2 + 2; - p = ckalloc((unsigned) totalLen + 1); + p = ckalloc(totalLen + 1); objPtr->bytes = p; objPtr->length = totalLen; @@ -5900,8 +5897,8 @@ ObjFindNamespaceVar( Tcl_DecrRefCount(simpleNamePtr); } if ((varPtr == NULL) && (flags & TCL_LEAVE_ERR_MSG)) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "unknown variable \"", name, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "unknown variable \"%s\"", name)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "VARIABLE", name, NULL); } return (Tcl_Var) varPtr; @@ -6090,7 +6087,7 @@ TclInfoVarsCmd( } } } - } else if (((Interp *)interp)->varFramePtr->procPtr != NULL) { + } else if (iPtr->varFramePtr->procPtr != NULL) { AppendLocals(interp, listPtr, simplePatternPtr, 1); } @@ -6276,17 +6273,21 @@ AppendLocals( { Interp *iPtr = (Interp *) interp; Var *varPtr; - int i, localVarCt; + int i, localVarCt, added; Tcl_Obj **varNamePtr, *objNamePtr; const char *varName; TclVarHashTable *localVarTablePtr; Tcl_HashSearch search; + Tcl_HashTable addedTable; const char *pattern = patternPtr? TclGetString(patternPtr) : NULL; localVarCt = iPtr->varFramePtr->numCompiledLocals; varPtr = iPtr->varFramePtr->compiledLocals; localVarTablePtr = iPtr->varFramePtr->varTablePtr; varNamePtr = &iPtr->varFramePtr->localCachePtr->varName0; + if (includeLinks) { + Tcl_InitObjHashTable(&addedTable); + } for (i = 0; i < localVarCt; i++, varNamePtr++) { /* @@ -6298,6 +6299,9 @@ AppendLocals( varName = TclGetString(*varNamePtr); if ((pattern == NULL) || Tcl_StringMatch(varName, pattern)) { Tcl_ListObjAppendElement(interp, listPtr, *varNamePtr); + if (includeLinks) { + Tcl_CreateHashEntry(&addedTable, *varNamePtr, &added); + } } } varPtr++; @@ -6308,7 +6312,7 @@ AppendLocals( */ if (localVarTablePtr == NULL) { - return; + goto objectVars; } /* @@ -6322,9 +6326,13 @@ AppendLocals( && (includeLinks || !TclIsVarLink(varPtr))) { Tcl_ListObjAppendElement(interp, listPtr, VarHashGetKey(varPtr)); + if (includeLinks) { + Tcl_CreateHashEntry(&addedTable, VarHashGetKey(varPtr), + &added); + } } } - return; + goto objectVars; } /* @@ -6340,9 +6348,41 @@ AppendLocals( varName = TclGetString(objNamePtr); if ((pattern == NULL) || Tcl_StringMatch(varName, pattern)) { Tcl_ListObjAppendElement(interp, listPtr, objNamePtr); + if (includeLinks) { + Tcl_CreateHashEntry(&addedTable, objNamePtr, &added); + } + } + } + } + + objectVars: + if (!includeLinks) { + return; + } + + if (iPtr->varFramePtr->isProcCallFrame & FRAME_IS_METHOD) { + CallContext *contextPtr = iPtr->varFramePtr->clientData; + Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr; + + if (mPtr->declaringObjectPtr) { + FOREACH(objNamePtr, mPtr->declaringObjectPtr->variables) { + Tcl_CreateHashEntry(&addedTable, objNamePtr, &added); + if (added && (!pattern || + Tcl_StringMatch(TclGetString(objNamePtr), pattern))) { + Tcl_ListObjAppendElement(interp, listPtr, objNamePtr); + } + } + } else { + FOREACH(objNamePtr, mPtr->declaringClassPtr->variables) { + Tcl_CreateHashEntry(&addedTable, objNamePtr, &added); + if (added && (!pattern || + Tcl_StringMatch(TclGetString(objNamePtr), pattern))) { + Tcl_ListObjAppendElement(interp, listPtr, objNamePtr); + } } } } + Tcl_DeleteHashTable(&addedTable); } /* @@ -6368,7 +6408,7 @@ AllocVarEntry( Tcl_HashEntry *hPtr; Var *varPtr; - varPtr = (Var *) ckalloc(sizeof(VarInHash)); + varPtr = ckalloc(sizeof(VarInHash)); varPtr->flags = VAR_IN_HASHTABLE; varPtr->value.objPtr = NULL; VarHashRefCount(varPtr) = 1; @@ -6390,7 +6430,7 @@ FreeVarEntry( if (TclIsVarUndefined(varPtr) && !TclIsVarTraced(varPtr) && (VarHashRefCount(varPtr) == 1)) { - ckfree((char *) varPtr); + ckfree(varPtr); } else { VarHashInvalidateEntry(varPtr); TclSetVarUndefined(varPtr); |