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-rw-r--r--generic/tclEnsemble.c57
1 files changed, 23 insertions, 34 deletions
diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c
index a86b5c4..17ab35b 100644
--- a/generic/tclEnsemble.c
+++ b/generic/tclEnsemble.c
@@ -41,6 +41,9 @@ static int CompileBasicNArgCommand(Tcl_Interp *interp,
Tcl_Parse *parsePtr, Command *cmdPtr,
CompileEnv *envPtr);
+static Tcl_NRPostProc FreeObj;
+static Tcl_NRPostProc FreeER;
+
/*
* The lists of subcommands and options for the [namespace ensemble] command.
*/
@@ -1843,45 +1846,31 @@ NsEnsembleImplementationCmdNR(
*/
{
- Tcl_Obj **prefixObjv; /* The list of objects to substitute in as the
- * target command prefix. */
Tcl_Obj *copyPtr; /* The actual list of words to dispatch to.
* Will be freed by the dispatch engine. */
- int prefixObjc, copyObjc;
+ int prefixObjc;
+
+ Tcl_ListObjLength(NULL, prefixObj, &prefixObjc);
+ if (0 && objc == 2) {
/*
- * Get the prefix that we're rewriting to. To do this we need to
- * ensure that the internal representation of the list does not change
- * so that we can safely keep the internal representations of the
- * elements in the list.
- *
- * TODO: Use conventional list operations to make this code sane!
+ * TODO: This branch is disabled because it botches or exposes
+ * something wrong with nested ensemble usage messages. See
+ * tests oo-16.1 and oo-17.1
*/
-
- TclListObjGetElements(NULL, prefixObj, &prefixObjc, &prefixObjv);
-
- copyObjc = objc - 2 + prefixObjc;
- copyPtr = Tcl_NewListObj(copyObjc, NULL);
- if (copyObjc > 0) {
- register Tcl_Obj **copyObjv;
- /* Space used to construct the list of
- * arguments to pass to the command that
- * implements the ensemble subcommand. */
- register List *listRepPtr = copyPtr->internalRep.twoPtrValue.ptr1;
- register int i;
-
- listRepPtr->elemCount = copyObjc;
- copyObjv = &listRepPtr->elements;
- memcpy(copyObjv, prefixObjv, sizeof(Tcl_Obj *) * prefixObjc);
- memcpy(copyObjv+prefixObjc, objv+1,
- sizeof(Tcl_Obj *) * ensemblePtr->numParameters);
- memcpy(copyObjv+prefixObjc+ensemblePtr->numParameters,
- objv+ensemblePtr->numParameters+2,
- sizeof(Tcl_Obj *) * (objc-ensemblePtr->numParameters-2));
-
- for (i=0; i < copyObjc; i++) {
- Tcl_IncrRefCount(copyObjv[i]);
- }
+ copyPtr = prefixObj;
+ Tcl_IncrRefCount(copyPtr);
+ TclNRAddCallback(interp, FreeObj, copyPtr, NULL, NULL, NULL);
+ } else {
+ int copyObjc = objc - 2 + prefixObjc;
+
+ copyPtr = Tcl_NewListObj(copyObjc, NULL);
+ Tcl_ListObjAppendList(NULL, copyPtr, prefixObj);
+ Tcl_ListObjReplace(NULL, copyPtr, LIST_MAX, 0,
+ ensemblePtr->numParameters, objv+1);
+ Tcl_ListObjReplace(NULL, copyPtr, LIST_MAX, 0,
+ objc - 2 - ensemblePtr->numParameters,
+ objv + 2 + ensemblePtr->numParameters);
}
TclDecrRefCount(prefixObj);