diff options
Diffstat (limited to 'generic/tclCmdIL.c')
| -rw-r--r-- | generic/tclCmdIL.c | 440 |
1 files changed, 269 insertions, 171 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c index a7a5f43..434840e 100644 --- a/generic/tclCmdIL.c +++ b/generic/tclCmdIL.c @@ -64,8 +64,9 @@ typedef struct SortInfo { * SORTMODE_COMMAND. Pre-initialized to hold * base of command. */ int *indexv; /* If the -index option was specified, this - * holds the indexes contained in the list - * supplied as an argument to that option. + * holds an encoding of the indexes contained + * in the list supplied as an argument to + * that option. * NULL if no indexes supplied, and points to * singleIndex field when only one * supplied. */ @@ -93,14 +94,6 @@ typedef struct SortInfo { #define SORTMODE_ASCII_NC 8 /* - * Magic values for the index field of the SortInfo structure. Note that the - * index "end-1" will be translated to SORTIDX_END-1, etc. - */ - -#define SORTIDX_NONE -1 /* Not indexed; use whole value. */ -#define SORTIDX_END -2 /* Indexed from end. */ - -/* * Forward declarations for procedures defined in this file: */ @@ -145,6 +138,8 @@ static int InfoScriptCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int InfoSharedlibCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); +static int InfoCmdTypeCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); static int InfoTclVersionCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static SortElement * MergeLists(SortElement *leftPtr, SortElement *rightPtr, @@ -163,6 +158,7 @@ static const EnsembleImplMap defaultInfoMap[] = { {"args", InfoArgsCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, {"body", InfoBodyCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, {"cmdcount", InfoCmdCountCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0}, + {"cmdtype", InfoCmdTypeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 1}, {"commands", InfoCommandsCmd, TclCompileInfoCommandsCmd, NULL, NULL, 0}, {"complete", InfoCompleteCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, {"coroutine", TclInfoCoroutineCmd, TclCompileInfoCoroutineCmd, NULL, NULL, 0}, @@ -177,7 +173,7 @@ static const EnsembleImplMap defaultInfoMap[] = { {"library", InfoLibraryCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0}, {"loaded", InfoLoadedCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, {"locals", TclInfoLocalsCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, - {"nameofexecutable", InfoNameOfExecutableCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0}, + {"nameofexecutable", InfoNameOfExecutableCmd, TclCompileBasic0ArgCmd, NULL, NULL, 1}, {"patchlevel", InfoPatchLevelCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0}, {"procs", InfoProcsCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, {"script", InfoScriptCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, @@ -2139,6 +2135,60 @@ InfoTclVersionCmd( /* *---------------------------------------------------------------------- * + * InfoCmdTypeCmd -- + * + * Called to implement the "info cmdtype" command that returns the type + * of a given command. Handles the following syntax: + * + * info cmdtype cmdName + * + * Results: + * Returns TCL_OK if successful and TCL_ERROR if there is an error. + * + * Side effects: + * Returns a type name. If there is an error, the result is an error + * message. + * + *---------------------------------------------------------------------- + */ + +static int +InfoCmdTypeCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ + Tcl_Command command; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "commandName"); + return TCL_ERROR; + } + command = Tcl_FindCommand(interp, Tcl_GetString(objv[1]), NULL, + TCL_LEAVE_ERR_MSG); + if (command == NULL) { + return TCL_ERROR; + } + + /* + * There's one special case: safe slave interpreters can't see aliases as + * aliases as they're part of the security mechanisms. + */ + + if (Tcl_IsSafe(interp) + && (((Command *) command)->objProc == TclAliasObjCmd)) { + Tcl_AppendResult(interp, "native", NULL); + } else { + Tcl_SetObjResult(interp, + Tcl_NewStringObj(TclGetCommandTypeName(command), -1)); + } + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * * Tcl_JoinObjCmd -- * * This procedure is invoked to process the "join" Tcl command. See the @@ -2160,7 +2210,7 @@ Tcl_JoinObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* The argument objects. */ { - int listLen; + int length, listLen; Tcl_Obj *resObjPtr = NULL, *joinObjPtr, **elemPtrs; if ((objc < 2) || (objc > 3)) { @@ -2191,9 +2241,9 @@ Tcl_JoinObjCmd( joinObjPtr = (objc == 2) ? Tcl_NewStringObj(" ", 1) : objv[2]; Tcl_IncrRefCount(joinObjPtr); - if (Tcl_GetCharLength(joinObjPtr) == 0) { - TclStringCatObjv(interp, /* inPlace */ 0, listLen, elemPtrs, - &resObjPtr); + (void) Tcl_GetStringFromObj(joinObjPtr, &length); + if (length == 0) { + resObjPtr = TclStringCat(interp, listLen, elemPtrs, 0); } else { int i; @@ -2543,7 +2593,6 @@ Tcl_LrangeObjCmd( register Tcl_Obj *const objv[]) /* Argument objects. */ { - Tcl_Obj **elemPtrs; int listLen, first, last, result; if (objc != 4) { @@ -2561,55 +2610,14 @@ Tcl_LrangeObjCmd( if (result != TCL_OK) { return result; } - if (first < 0) { - first = 0; - } result = TclGetIntForIndexM(interp, objv[3], /*endValue*/ listLen - 1, &last); if (result != TCL_OK) { return result; } - if (last >= listLen) { - last = listLen - 1; - } - - if (first > last) { - /* - * Returning an empty list is easy. - */ - - return TCL_OK; - } - - result = TclListObjGetElements(interp, objv[1], &listLen, &elemPtrs); - if (result != TCL_OK) { - return result; - } - - if (Tcl_IsShared(objv[1]) || - ((ListRepPtr(objv[1])->refCount > 1))) { - Tcl_SetObjResult(interp, Tcl_NewListObj(last - first + 1, - &elemPtrs[first])); - } else { - /* - * In-place is possible. - */ - - if (last < (listLen - 1)) { - Tcl_ListObjReplace(interp, objv[1], last + 1, listLen - 1 - last, - 0, NULL); - } - - /* - * This one is not conditioned on (first > 0) in order to preserve the - * string-canonizing effect of [lrange 0 end]. - */ - - Tcl_ListObjReplace(interp, objv[1], 0, first, 0, NULL); - Tcl_SetObjResult(interp, objv[1]); - } + Tcl_SetObjResult(interp, TclListObjRange(objv[1], first, last)); return TCL_OK; } @@ -2779,21 +2787,10 @@ Tcl_LreplaceObjCmd( if (first < 0) { first = 0; } - - /* - * Complain if the user asked for a start element that is greater than the - * list length. This won't ever trigger for the "end-*" case as that will - * be properly constrained by TclGetIntForIndex because we use listLen-1 - * (to allow for replacing the last elem). - */ - - if ((first > listLen) && (listLen > 0)) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "list doesn't contain element %s", TclGetString(objv[2]))); - Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LREPLACE", "BADIDX", - NULL); - return TCL_ERROR; + if (first > listLen) { + first = listLen; } + if (last >= listLen) { last = listLen - 1; } @@ -2938,20 +2935,21 @@ Tcl_LsearchObjCmd( Tcl_Obj *const objv[]) /* Argument values. */ { const char *bytes, *patternBytes; - int i, match, index, result, listc, length, elemLen, bisect; - int dataType, isIncreasing, lower, upper, offset; + int i, match, index, result=TCL_OK, listc, length, elemLen, bisect; + int allocatedIndexVector = 0; + int dataType, isIncreasing, lower, upper, start, groupSize, groupOffset; Tcl_WideInt patWide, objWide; int allMatches, inlineReturn, negatedMatch, returnSubindices, noCase; double patDouble, objDouble; SortInfo sortInfo; Tcl_Obj *patObj, **listv, *listPtr, *startPtr, *itemPtr; - SortStrCmpFn_t strCmpFn = strcmp; + SortStrCmpFn_t strCmpFn = TclUtfCmp; Tcl_RegExp regexp = NULL; static const char *const options[] = { "-all", "-ascii", "-bisect", "-decreasing", "-dictionary", "-exact", "-glob", "-increasing", "-index", "-inline", "-integer", "-nocase", "-not", - "-real", "-regexp", "-sorted", "-start", + "-real", "-regexp", "-sorted", "-start", "-stride", "-subindices", NULL }; enum options { @@ -2959,7 +2957,7 @@ Tcl_LsearchObjCmd( LSEARCH_DICTIONARY, LSEARCH_EXACT, LSEARCH_GLOB, LSEARCH_INCREASING, LSEARCH_INDEX, LSEARCH_INLINE, LSEARCH_INTEGER, LSEARCH_NOCASE, LSEARCH_NOT, LSEARCH_REAL, LSEARCH_REGEXP, LSEARCH_SORTED, - LSEARCH_START, LSEARCH_SUBINDICES + LSEARCH_START, LSEARCH_STRIDE, LSEARCH_SUBINDICES }; enum datatypes { ASCII, DICTIONARY, INTEGER, REAL @@ -2979,7 +2977,9 @@ Tcl_LsearchObjCmd( bisect = 0; listPtr = NULL; startPtr = NULL; - offset = 0; + groupSize = 1; + groupOffset = 0; + start = 0; noCase = 0; sortInfo.compareCmdPtr = NULL; sortInfo.isIncreasing = 1; @@ -2997,9 +2997,6 @@ Tcl_LsearchObjCmd( for (i = 1; i < objc-2; i++) { if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0, &index) != TCL_OK) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } result = TCL_ERROR; goto done; } @@ -3064,6 +3061,7 @@ Tcl_LsearchObjCmd( if (startPtr != NULL) { Tcl_DecrRefCount(startPtr); + startPtr = NULL; } if (i > objc-4) { Tcl_SetObjResult(interp, Tcl_NewStringObj( @@ -3084,25 +3082,47 @@ Tcl_LsearchObjCmd( startPtr = Tcl_DuplicateObj(objv[i]); } else { startPtr = objv[i]; - Tcl_IncrRefCount(startPtr); } + Tcl_IncrRefCount(startPtr); + break; + case LSEARCH_STRIDE: /* -stride */ + if (i > objc-4) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "\"-stride\" option must be " + "followed by stride length", -1)); + Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL); + result = TCL_ERROR; + goto done; + } + if (Tcl_GetIntFromObj(interp, objv[i+1], &groupSize) != TCL_OK) { + result = TCL_ERROR; + goto done; + } + if (groupSize < 1) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "stride length must be at least 1", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSORT", + "BADSTRIDE", NULL); + result = TCL_ERROR; + goto done; + } + i++; break; case LSEARCH_INDEX: { /* -index */ Tcl_Obj **indices; int j; - if (sortInfo.indexc > 1) { + if (allocatedIndexVector) { TclStackFree(interp, sortInfo.indexv); + allocatedIndexVector = 0; } if (i > objc-4) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } Tcl_SetObjResult(interp, Tcl_NewStringObj( "\"-index\" option must be followed by list index", -1)); Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL); - return TCL_ERROR; + result = TCL_ERROR; + goto done; } /* @@ -3114,10 +3134,8 @@ Tcl_LsearchObjCmd( i++; if (TclListObjGetElements(interp, objv[i], &sortInfo.indexc, &indices) != TCL_OK) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } - return TCL_ERROR; + result = TCL_ERROR; + goto done; } switch (sortInfo.indexc) { case 0: @@ -3129,6 +3147,8 @@ Tcl_LsearchObjCmd( default: sortInfo.indexv = TclStackAlloc(interp, sizeof(int) * sortInfo.indexc); + allocatedIndexVector = 1; /* Cannot use indexc field, as it + * might be decreased by 1 later. */ } /* @@ -3138,13 +3158,26 @@ Tcl_LsearchObjCmd( */ for (j=0 ; j<sortInfo.indexc ; j++) { - if (TclGetIntForIndexM(interp, indices[j], SORTIDX_END, - &sortInfo.indexv[j]) != TCL_OK) { + int encoded = 0; + if (TclIndexEncode(interp, indices[j], TCL_INDEX_BEFORE, + TCL_INDEX_AFTER, &encoded) != TCL_OK) { + result = TCL_ERROR; + } + if ((encoded == TCL_INDEX_BEFORE) + || (encoded == TCL_INDEX_AFTER)) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "index \"%s\" cannot select an element " + "from any list", Tcl_GetString(indices[j]))); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "INDEX" + "OUTOFRANGE", NULL); + result = TCL_ERROR; + } + if (result == TCL_ERROR) { Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (-index option item number %d)", j)); - result = TCL_ERROR; goto done; } + sortInfo.indexv[j] = encoded; } break; } @@ -3156,14 +3189,12 @@ Tcl_LsearchObjCmd( */ if (returnSubindices && sortInfo.indexc==0) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } Tcl_SetObjResult(interp, Tcl_NewStringObj( "-subindices cannot be used without -index option", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSEARCH", "BAD_OPTION_MIX", NULL); - return TCL_ERROR; + result = TCL_ERROR; + goto done; } if (bisect && (allMatches || negatedMatch)) { @@ -3171,7 +3202,8 @@ Tcl_LsearchObjCmd( "-bisect is not compatible with -all or -not", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSEARCH", "BAD_OPTION_MIX", NULL); - return TCL_ERROR; + result = TCL_ERROR; + goto done; } if (mode == REGEXP) { @@ -3197,9 +3229,6 @@ Tcl_LsearchObjCmd( } if (regexp == NULL) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } result = TCL_ERROR; goto done; } @@ -3212,24 +3241,64 @@ Tcl_LsearchObjCmd( result = TclListObjGetElements(interp, objv[objc - 2], &listc, &listv); if (result != TCL_OK) { - if (startPtr != NULL) { - Tcl_DecrRefCount(startPtr); - } goto done; } /* + * Check for sanity when grouping elements of the overall list together + * because of the -stride option. [TIP #351] + */ + + if (groupSize > 1) { + if (listc % groupSize) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "list size must be a multiple of the stride length", + -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSEARCH", "BADSTRIDE", + NULL); + result = TCL_ERROR; + goto done; + } + if (sortInfo.indexc > 0) { + /* + * Use the first value in the list supplied to -index as the + * offset of the element within each group by which to sort. + */ + + groupOffset = TclIndexDecode(sortInfo.indexv[0], groupSize - 1); + if (groupOffset < 0 || groupOffset >= groupSize) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "when used with \"-stride\", the leading \"-index\"" + " value must be within the group", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSEARCH", + "BADINDEX", NULL); + result = TCL_ERROR; + goto done; + } + if (sortInfo.indexc == 1) { + sortInfo.indexc = 0; + sortInfo.indexv = NULL; + } else { + sortInfo.indexc--; + + for (i = 0; i < sortInfo.indexc; i++) { + sortInfo.indexv[i] = sortInfo.indexv[i+1]; + } + } + } + } + + /* * Get the user-specified start offset. */ if (startPtr) { - result = TclGetIntForIndexM(interp, startPtr, listc-1, &offset); - Tcl_DecrRefCount(startPtr); + result = TclGetIntForIndexM(interp, startPtr, listc-1, &start); if (result != TCL_OK) { goto done; } - if (offset < 0) { - offset = 0; + if (start < 0) { + start = 0; } /* @@ -3237,16 +3306,21 @@ Tcl_LsearchObjCmd( * "did not match anything at all" result straight away. [Bug 1374778] */ - if (offset > listc-1) { - if (sortInfo.indexc > 1) { - TclStackFree(interp, sortInfo.indexv); - } + if (start > listc-1) { if (allMatches || inlineReturn) { Tcl_ResetResult(interp); } else { Tcl_SetObjResult(interp, Tcl_NewIntObj(-1)); } - return TCL_OK; + goto done; + } + + /* + * If start points within a group, it points to the start of the group. + */ + + if (groupSize > 1) { + start -= (start % groupSize); } } @@ -3305,18 +3379,23 @@ Tcl_LsearchObjCmd( * sense in doing this when the match sense is inverted. */ - lower = offset - 1; + /* + * With -stride, lower, upper and i are kept as multiples of groupSize. + */ + + lower = start - groupSize; upper = listc; - while (lower + 1 != upper && sortInfo.resultCode == TCL_OK) { + while (lower + groupSize != upper && sortInfo.resultCode == TCL_OK) { i = (lower + upper)/2; + i -= i % groupSize; if (sortInfo.indexc != 0) { - itemPtr = SelectObjFromSublist(listv[i], &sortInfo); + itemPtr = SelectObjFromSublist(listv[i+groupOffset], &sortInfo); if (sortInfo.resultCode != TCL_OK) { result = sortInfo.resultCode; goto done; } } else { - itemPtr = listv[i]; + itemPtr = listv[i+groupOffset]; } switch ((enum datatypes) dataType) { case ASCII: @@ -3405,10 +3484,10 @@ Tcl_LsearchObjCmd( if (allMatches) { listPtr = Tcl_NewListObj(0, NULL); } - for (i = offset; i < listc; i++) { + for (i = start; i < listc; i += groupSize) { match = 0; if (sortInfo.indexc != 0) { - itemPtr = SelectObjFromSublist(listv[i], &sortInfo); + itemPtr = SelectObjFromSublist(listv[i+groupOffset], &sortInfo); if (sortInfo.resultCode != TCL_OK) { if (listPtr != NULL) { Tcl_DecrRefCount(listPtr); @@ -3417,7 +3496,7 @@ Tcl_LsearchObjCmd( goto done; } } else { - itemPtr = listv[i]; + itemPtr = listv[i+groupOffset]; } switch (mode) { @@ -3507,18 +3586,23 @@ Tcl_LsearchObjCmd( */ if (returnSubindices && (sortInfo.indexc != 0)) { - itemPtr = SelectObjFromSublist(listv[i], &sortInfo); + itemPtr = SelectObjFromSublist(listv[i+groupOffset], + &sortInfo); + Tcl_ListObjAppendElement(interp, listPtr, itemPtr); + } else if (groupSize > 1) { + Tcl_ListObjReplace(interp, listPtr, LIST_MAX, 0, + groupSize, &listv[i]); } else { itemPtr = listv[i]; + Tcl_ListObjAppendElement(interp, listPtr, itemPtr); } - Tcl_ListObjAppendElement(interp, listPtr, itemPtr); } else if (returnSubindices) { int j; - itemPtr = Tcl_NewIntObj(i); + itemPtr = Tcl_NewIntObj(i+groupOffset); for (j=0 ; j<sortInfo.indexc ; j++) { - Tcl_ListObjAppendElement(interp, itemPtr, - Tcl_NewIntObj(sortInfo.indexv[j])); + Tcl_ListObjAppendElement(interp, itemPtr, Tcl_NewIntObj( + TclIndexDecode(sortInfo.indexv[j], listc))); } Tcl_ListObjAppendElement(interp, listPtr, itemPtr); } else { @@ -3537,10 +3621,10 @@ Tcl_LsearchObjCmd( if (returnSubindices) { int j; - itemPtr = Tcl_NewIntObj(index); + itemPtr = Tcl_NewIntObj(index+groupOffset); for (j=0 ; j<sortInfo.indexc ; j++) { - Tcl_ListObjAppendElement(interp, itemPtr, - Tcl_NewIntObj(sortInfo.indexv[j])); + Tcl_ListObjAppendElement(interp, itemPtr, Tcl_NewIntObj( + TclIndexDecode(sortInfo.indexv[j], listc))); } Tcl_SetObjResult(interp, itemPtr); } else { @@ -3554,7 +3638,14 @@ Tcl_LsearchObjCmd( Tcl_SetObjResult(interp, Tcl_NewObj()); } else { - Tcl_SetObjResult(interp, listv[index]); + if (returnSubindices) { + Tcl_SetObjResult(interp, SelectObjFromSublist(listv[i+groupOffset], + &sortInfo)); + } else if (groupSize > 1) { + Tcl_SetObjResult(interp, Tcl_NewListObj(groupSize, &listv[index])); + } else { + Tcl_SetObjResult(interp, listv[index]); + } } result = TCL_OK; @@ -3563,7 +3654,10 @@ Tcl_LsearchObjCmd( */ done: - if (sortInfo.indexc > 1) { + if (startPtr != NULL) { + Tcl_DecrRefCount(startPtr); + } + if (allocatedIndexVector) { TclStackFree(interp, sortInfo.indexv); } return result; @@ -3682,7 +3776,7 @@ Tcl_LsortObjCmd( int sortMode = SORTMODE_ASCII; int group, groupSize, groupOffset, idx, allocatedIndexVector = 0; Tcl_Obj *resultPtr, *cmdPtr, **listObjPtrs, *listObj, *indexPtr; - SortElement *elementArray, *elementPtr; + SortElement *elementArray = NULL, *elementPtr; SortInfo sortInfo; /* Information about this sort that needs to * be passed to the comparison function. */ # define NUM_LISTS 30 @@ -3728,7 +3822,7 @@ Tcl_LsortObjCmd( if (Tcl_GetIndexFromObj(interp, objv[i], switches, "option", 0, &index) != TCL_OK) { sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } switch ((enum Lsort_Switches) index) { case LSORT_ASCII: @@ -3741,7 +3835,7 @@ Tcl_LsortObjCmd( "by comparison command", -1)); Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } sortInfo.sortMode = SORTMODE_COMMAND; cmdPtr = objv[i+1]; @@ -3757,7 +3851,7 @@ Tcl_LsortObjCmd( sortInfo.isIncreasing = 1; break; case LSORT_INDEX: { - int indexc, dummy; + int indexc; Tcl_Obj **indexv; if (i == objc-2) { @@ -3766,12 +3860,12 @@ Tcl_LsortObjCmd( -1)); Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } if (TclListObjGetElements(interp, objv[i+1], &indexc, &indexv) != TCL_OK) { sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } /* @@ -3783,12 +3877,24 @@ Tcl_LsortObjCmd( */ for (j=0 ; j<indexc ; j++) { - if (TclGetIntForIndexM(interp, indexv[j], SORTIDX_END, - &dummy) != TCL_OK) { + int encoded = 0; + int result = TclIndexEncode(interp, indexv[j], + TCL_INDEX_BEFORE, TCL_INDEX_AFTER, &encoded); + + if ((result == TCL_OK) && ((encoded == TCL_INDEX_BEFORE) + || (encoded == TCL_INDEX_AFTER))) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "index \"%s\" cannot select an element " + "from any list", Tcl_GetString(indexv[j]))); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "INDEX" + "OUTOFRANGE", NULL); + result = TCL_ERROR; + } + if (result == TCL_ERROR) { Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (-index option item number %d)", j)); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } } indexPtr = objv[i+1]; @@ -3817,11 +3923,11 @@ Tcl_LsortObjCmd( "followed by stride length", -1)); Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } if (Tcl_GetIntFromObj(interp, objv[i+1], &groupSize) != TCL_OK) { sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } if (groupSize < 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj( @@ -3829,7 +3935,7 @@ Tcl_LsortObjCmd( Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSORT", "BADSTRIDE", NULL); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } group = 1; i++; @@ -3864,8 +3970,8 @@ Tcl_LsortObjCmd( * might be decreased by 1 later. */ } for (j=0 ; j<sortInfo.indexc ; j++) { - TclGetIntForIndexM(interp, indexv[j], SORTIDX_END, - &sortInfo.indexv[j]); + /* Prescreened values, no errors or out of range possible */ + TclIndexEncode(NULL, indexv[j], 0, 0, &sortInfo.indexv[j]); } } @@ -3884,7 +3990,7 @@ Tcl_LsortObjCmd( listObj = TclListObjCopy(interp, listObj); if (listObj == NULL) { sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } /* @@ -3902,7 +4008,7 @@ Tcl_LsortObjCmd( Tcl_IncrRefCount(newObjPtr); TclDecrRefCount(newObjPtr); sortInfo.resultCode = TCL_ERROR; - goto done2; + goto done; } Tcl_ListObjAppendElement(interp, newCommandPtr, Tcl_NewObj()); sortInfo.compareCmdPtr = newCommandPtr; @@ -3936,10 +4042,7 @@ Tcl_LsortObjCmd( * offset of the element within each group by which to sort. */ - groupOffset = sortInfo.indexv[0]; - if (groupOffset <= SORTIDX_END) { - groupOffset = (groupOffset - SORTIDX_END) + groupSize - 1; - } + groupOffset = TclIndexDecode(sortInfo.indexv[0], groupSize - 1); if (groupOffset < 0 || groupOffset >= groupSize) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "when used with \"-stride\", the leading \"-index\"" @@ -3958,6 +4061,9 @@ Tcl_LsortObjCmd( /* * Do not shrink the actual memory block used; that doesn't * work with TclStackAlloc-allocated memory. [Bug 2918962] + * + * TODO: Consider a pointer increment to replace this + * array shift. */ for (i = 0; i < sortInfo.indexc; i++) { @@ -3995,7 +4101,7 @@ Tcl_LsortObjCmd( * begins sorting it into the sublists as it appears. */ - elementArray = TclStackAlloc(interp, length * sizeof(SortElement)); + elementArray = ckalloc(length * sizeof(SortElement)); for (i=0; i < length; i++){ idx = groupSize * i + groupOffset; @@ -4005,7 +4111,7 @@ Tcl_LsortObjCmd( */ indexPtr = SelectObjFromSublist(listObjPtrs[idx], &sortInfo); if (sortInfo.resultCode != TCL_OK) { - goto done1; + goto done; } } else { indexPtr = listObjPtrs[idx]; @@ -4022,7 +4128,7 @@ Tcl_LsortObjCmd( if (TclGetWideIntFromObj(sortInfo.interp, indexPtr, &a) != TCL_OK) { sortInfo.resultCode = TCL_ERROR; - goto done1; + goto done; } elementArray[i].collationKey.wideValue = a; } else if (sortMode == SORTMODE_REAL) { @@ -4031,7 +4137,7 @@ Tcl_LsortObjCmd( if (Tcl_GetDoubleFromObj(sortInfo.interp, indexPtr, &a) != TCL_OK) { sortInfo.resultCode = TCL_ERROR; - goto done1; + goto done; } elementArray[i].collationKey.doubleValue = a; } else { @@ -4118,19 +4224,18 @@ Tcl_LsortObjCmd( Tcl_SetObjResult(interp, resultPtr); } - done1: - TclStackFree(interp, elementArray); - done: if (sortMode == SORTMODE_COMMAND) { TclDecrRefCount(sortInfo.compareCmdPtr); TclDecrRefCount(listObj); sortInfo.compareCmdPtr = NULL; } - done2: if (allocatedIndexVector) { TclStackFree(interp, sortInfo.indexv); } + if (elementArray) { + ckfree(elementArray); + } return sortInfo.resultCode; } @@ -4264,7 +4369,7 @@ SortCompare( int order = 0; if (infoPtr->sortMode == SORTMODE_ASCII) { - order = strcmp(elemPtr1->collationKey.strValuePtr, + order = TclUtfCmp(elemPtr1->collationKey.strValuePtr, elemPtr2->collationKey.strValuePtr); } else if (infoPtr->sortMode == SORTMODE_ASCII_NC) { order = TclUtfCasecmp(elemPtr1->collationKey.strValuePtr, @@ -4371,7 +4476,7 @@ static int DictionaryCompare( const char *left, const char *right) /* The strings to compare. */ { - Tcl_UniChar uniLeft, uniRight, uniLeftLower, uniRightLower; + Tcl_UniChar uniLeft = 0, uniRight = 0, uniLeftLower, uniRightLower; int diff, zeros; int secondaryDiff = 0; @@ -4440,8 +4545,8 @@ DictionaryCompare( */ if ((*left != '\0') && (*right != '\0')) { - left += Tcl_UtfToUniChar(left, &uniLeft); - right += Tcl_UtfToUniChar(right, &uniRight); + left += TclUtfToUniChar(left, &uniLeft); + right += TclUtfToUniChar(right, &uniRight); /* * Convert both chars to lower for the comparison, because @@ -4527,15 +4632,8 @@ SelectObjFromSublist( infoPtr->resultCode = TCL_ERROR; return NULL; } - index = infoPtr->indexv[i]; - - /* - * Adjust for end-based indexing. - */ - if (index < SORTIDX_NONE) { - index += listLen + 1; - } + index = TclIndexDecode(infoPtr->indexv[i], listLen - 1); if (Tcl_ListObjIndex(infoPtr->interp, objPtr, index, ¤tObj) != TCL_OK) { |
