diff options
Diffstat (limited to 'generic/tclTrace.c')
| -rw-r--r-- | generic/tclTrace.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/generic/tclTrace.c b/generic/tclTrace.c index f86f472..8663eae 100644 --- a/generic/tclTrace.c +++ b/generic/tclTrace.c @@ -191,8 +191,10 @@ Tcl_TraceObjCmd( Tcl_Obj *const objv[]) /* Argument objects. */ { int optionIndex; +#ifndef TCL_REMOVE_OBSOLETE_TRACES const char *name; const char *flagOps, *p; +#endif /* Main sub commands to 'trace' */ static const char *const traceOptions[] = { "add", "info", "remove", @@ -365,12 +367,14 @@ Tcl_TraceObjCmd( } return TCL_OK; +#ifndef TCL_REMOVE_OBSOLETE_TRACES badVarOps: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "bad operations \"%s\": should be one or more of rwua", flagOps)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "TRACE", "BADOPS", NULL); return TCL_ERROR; +#endif } /* @@ -912,9 +916,11 @@ TraceVariableObjCmd( + 1 + length); ctvarPtr->traceCmdInfo.flags = flags; +#ifndef TCL_REMOVE_OBSOLETE_TRACES if (objv[0] == NULL) { ctvarPtr->traceCmdInfo.flags |= TCL_TRACE_OLD_STYLE; } +#endif ctvarPtr->traceCmdInfo.length = length; flags |= TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT; memcpy(ctvarPtr->traceCmdInfo.command, command, length+1); @@ -939,7 +945,11 @@ TraceVariableObjCmd( TraceVarInfo *tvarPtr = clientData; if ((tvarPtr->length == length) - && ((tvarPtr->flags & ~TCL_TRACE_OLD_STYLE)==flags) + && ((tvarPtr->flags +#ifndef TCL_REMOVE_OBSOLETE_TRACES +& ~TCL_TRACE_OLD_STYLE +#endif + )==flags) && (strncmp(command, tvarPtr->command, (size_t) length) == 0)) { Tcl_UntraceVar2(interp, name, NULL, @@ -2468,6 +2478,47 @@ TclVarTraceExists( /* *---------------------------------------------------------------------- * + * TclCheckArrayTraces -- + * + * This function is invoked to when we operate on an array variable, + * to allow any array traces to fire. + * + * Results: + * Returns TCL_OK to indicate normal operation. Returns TCL_ERROR if + * invocation of a trace function indicated an error. When TCL_ERROR is + * returned, then error information is left in interp. + * + * Side effects: + * Almost anything can happen, depending on trace; this function itself + * doesn't have any side effects. + * + *---------------------------------------------------------------------- + */ + +int +TclCheckArrayTraces( + Tcl_Interp *interp, + Var *varPtr, + Var *arrayPtr, + Tcl_Obj *name, + int index) +{ + int code = TCL_OK; + + if (varPtr && (varPtr->flags & VAR_TRACED_ARRAY) + && (TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr))) { + Interp *iPtr = (Interp *)interp; + + code = TclObjCallVarTraces(iPtr, arrayPtr, varPtr, name, NULL, + (TCL_NAMESPACE_ONLY|TCL_GLOBAL_ONLY| TCL_TRACE_ARRAY), + /* leaveErrMsg */ 1, index); + } + return code; +} + +/* + *---------------------------------------------------------------------- + * * TclCallVarTraces -- * * This function is invoked to find and invoke relevant trace functions |