diff options
Diffstat (limited to 'generic/tclInt.h')
-rw-r--r-- | generic/tclInt.h | 65 |
1 files changed, 55 insertions, 10 deletions
diff --git a/generic/tclInt.h b/generic/tclInt.h index 48e20b2..6d6916c 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -13,7 +13,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclInt.h,v 1.341 2007/11/10 20:49:43 das Exp $ + * RCS: @(#) $Id: tclInt.h,v 1.342 2007/11/11 19:32:16 msofer Exp $ */ #ifndef _TCLINT @@ -2099,17 +2099,56 @@ typedef struct List { } List; /* - * Macro used to get the elements of a list object - do NOT forget to verify - * that it is of list type before using! + * Macro used to get the elements of a list object. */ -#define TclListObjGetElements(listPtr, objc, objv) \ - { \ - List *listRepPtr = \ - (List *) (listPtr)->internalRep.twoPtrValue.ptr1;\ - (objc) = listRepPtr->elemCount;\ - (objv) = &listRepPtr->elements;\ - } +#define ListRepPtr(listPtr) \ + ((List *) (listPtr)->internalRep.twoPtrValue.ptr1) + +#define ListObjGetElements(listPtr, objc, objv) \ + ((objv) = &(ListRepPtr(listPtr)->elements), \ + (objc) = ListRepPtr(listPtr)->elemCount) + +#define ListObjLength(listPtr, len) \ + ((len) = ListRepPtr(listPtr)->elemCount) + +#define TclListObjGetElements(interp, listPtr, objcPtr, objvPtr) \ + (((listPtr)->typePtr == &tclListType) \ + ? ((ListObjGetElements((listPtr), *(objcPtr), *(objvPtr))), TCL_OK)\ + : Tcl_ListObjGetElements((interp), (listPtr), (objcPtr), (objvPtr))) + +#define TclListObjLength(interp, listPtr, lenPtr) \ + (((listPtr)->typePtr == &tclListType) \ + ? ((ListObjLength((listPtr), *(lenPtr))), TCL_OK)\ + : Tcl_ListObjLength((interp), (listPtr), (lenPtr))) + +/* + * Macros providing a faster path to integers: Tcl_GetLongFromObj everywhere, + * Tcl_GetIntFromObj and TclGetIntForIndex on platforms where longs are ints. + * + * WARNING: these macros eval their args more than once. + */ + +#define TclGetLongFromObj(interp, objPtr, longPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(longPtr) = (long) (objPtr)->internalRep.otherValuePtr), TCL_OK) \ + : Tcl_GetLongFromObj((interp), (objPtr), (longPtr))) + +#if (LONG_MAX == INT_MAX) +#define TclGetIntFromObj(interp, objPtr, intPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(intPtr) = (long) (objPtr)->internalRep.otherValuePtr), TCL_OK) \ + : Tcl_GetIntFromObj((interp), (objPtr), (intPtr))) +#define TclGetIntForIndexM(interp, objPtr, endValue, idxPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(idxPtr) = (long) (objPtr)->internalRep.otherValuePtr), TCL_OK) \ + : TclGetIntForIndex((interp), (objPtr), (endValue), (idxPtr))) +#else +#define TclGetIntFromObj(interp, objPtr, intPtr) \ + Tcl_GetIntFromObj((interp), (objPtr), (intPtr)) +#define TclGetIntForIndexM(interp, objPtr, ignore, idxPtr) \ + TclGetIntForIndex(interp, objPtr, ignore, idxPtr) +#endif /* * Flag values for TclTraceDictPath(). @@ -3293,6 +3332,12 @@ MODULE_SCOPE void TclDbInitNewObj(Tcl_Obj *objPtr); #define TclGetString(objPtr) \ ((objPtr)->bytes? (objPtr)->bytes : Tcl_GetString((objPtr))) + +#define TclGetStringFromObj(objPtr, lenPtr) \ + ((objPtr)->bytes \ + ? (*(lenPtr) = (objPtr)->length, (objPtr)->bytes) \ + : Tcl_GetStringFromObj((objPtr), (lenPtr))) + /* *---------------------------------------------------------------- * Macro used by the Tcl core to clean out an object's internal |