diff options
| -rw-r--r-- | generic/tclBasic.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 280835c..ea08f88 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -3358,6 +3358,15 @@ CancelEvalProc( * This function returns a Tcl_Obj with the full source string for the * command. This insures that traces get a correct NUL-terminated command * string. The Tcl_Obj has refCount==1. + * + * *** MAINTAINER WARNING *** + * The returned Tcl_Obj is all wrong for any purpose but getting the + * source string for an objc/objv command line in the stringRep (no + * stringRep if no source is available) and the corresponding substituted + * version in the List intrep. + * This means that the intRep and stringRep DO NOT COINCIDE! Using these + * Tcl_Objs normally is likely to break things. + * *---------------------------------------------------------------------- */ @@ -3367,25 +3376,31 @@ GetCommandSource( int objc, Tcl_Obj *const objv[]) { - Tcl_Obj *objPtr = NULL; + Tcl_Obj *objPtr, *obj2Ptr; CmdFrame *cfPtr = iPtr->cmdFramePtr; + const char *command = NULL; + int numChars; + objPtr = Tcl_NewListObj(objc, objv); if (cfPtr && (cfPtr->numLevels == iPtr->numLevels-1)) { switch (cfPtr->type) { case TCL_LOCATION_EVAL: case TCL_LOCATION_SOURCE: - objPtr = Tcl_NewStringObj(cfPtr->cmd.str.cmd, cfPtr->cmd.str.len); + command = cfPtr->cmd.str.cmd; + numChars = cfPtr->cmd.str.len; break; case TCL_LOCATION_BC: - case TCL_LOCATION_PREBC: { - int numChars; - objPtr = Tcl_NewStringObj(TclGetSrcInfoForCmd(iPtr, &numChars), - numChars); + case TCL_LOCATION_PREBC: + command = TclGetSrcInfoForCmd(iPtr, &numChars); break; } + if (command) { + obj2Ptr = Tcl_NewStringObj(command, numChars); + objPtr->bytes = obj2Ptr->bytes; + objPtr->length = numChars; + obj2Ptr->bytes = NULL; + Tcl_DecrRefCount(obj2Ptr); } - } else { - objPtr = Tcl_NewListObj(objc, objv); } Tcl_IncrRefCount(objPtr); return objPtr; @@ -4712,7 +4727,7 @@ TEOV_RunEnterTraces( */ TclNRAddCallback(interp, TEOV_RunLeaveTraces, INT2PTR(traceCode), - commandPtr, cmdPtr, Tcl_NewListObj(objc, objv)); + commandPtr, cmdPtr, NULL); cmdPtr->refCount++; } else { Tcl_DecrRefCount(commandPtr); @@ -4733,11 +4748,10 @@ TEOV_RunLeaveTraces( int traceCode = PTR2INT(data[0]); Tcl_Obj *commandPtr = data[1]; Command *cmdPtr = data[2]; - Tcl_Obj *wordsPtr = data[3]; command = Tcl_GetStringFromObj(commandPtr, &length); - if (TCL_OK != Tcl_ListObjGetElements(interp, wordsPtr, &objc, &objv)) { - Tcl_Panic("What happened with wordsPtr?!"); + if (TCL_OK != Tcl_ListObjGetElements(interp, commandPtr, &objc, &objv)) { + Tcl_Panic("Who messed with commandPtr?"); } if (!(cmdPtr->flags & CMD_IS_DELETED)) { @@ -4751,7 +4765,6 @@ TEOV_RunLeaveTraces( } } Tcl_DecrRefCount(commandPtr); - Tcl_DecrRefCount(wordsPtr); /* * As cmdPtr is set, TclNRRunCallbacks is about to reduce the numlevels. |