* generic/tclObj.c (TclSetCmdNameObj): special handling for fully qualified

  command names (as in fix [Patch 456668]).

2 files changed, 24 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 84aaa0e..57a7eef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-12  Miguel Sofer <msofer@users.sf.net>
+
+	* generic/tclObj.c (TclSetCmdNameObj): special handling for fully
+	qualified command names (as in fix [Patch 456668]).
+
 2004-12-11  Miguel Sofer <msofer@users.sf.net>
 
 	* generic/tclInt.h:
diff --git a/generic/tclObj.c b/generic/tclObj.c
index d7dd7b1..a847e0f 100644
--- a/generic/tclObj.c
+++ b/generic/tclObj.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclObj.c,v 1.72 2004/10/06 15:59:25 dgp Exp $
+ * RCS: @(#) $Id: tclObj.c,v 1.73 2004/12/12 23:16:23 msofer Exp $
  */
 
 #include "tclInt.h"
@@ -3265,12 +3265,28 @@ TclSetCmdNameObj(interp, objPtr, cmdPtr)
     Interp *iPtr = (Interp *) interp;
     register ResolvedCmdName *resPtr;
     register Namespace *currNsPtr;
+    CallFrame *savedFramePtr;
+    char *name;
 
     if (objPtr->typePtr == &tclCmdNameType) {
 	return;
     }
 
     /*
+     * If the variable name is fully qualified, do as if the lookup were
+     * done from the global namespace; this helps avoid repeated lookups
+     * of fully qualified names. It costs close to nothing, and may be very
+     * helpful for OO applications which pass along a command name ("this"),
+     * [Patch 456668] (Copied over from Tcl_GetCommandFromObj)
+     */
+
+    savedFramePtr = iPtr->varFramePtr;
+    name = Tcl_GetString(objPtr);
+    if ((*name++ == ':') && (*name == ':')) {
+	iPtr->varFramePtr = NULL;
+    }
+
+    /*
      * Get the current namespace.
      */
 
@@ -3293,6 +3309,8 @@ TclSetCmdNameObj(interp, objPtr, cmdPtr)
     objPtr->internalRep.twoPtrValue.ptr1 = (VOID *) resPtr;
     objPtr->internalRep.twoPtrValue.ptr2 = NULL;
     objPtr->typePtr = &tclCmdNameType;
+
+    iPtr->varFramePtr = savedFramePtr;
 }
 
 /*