TIP#215 IMPLEMENTATION

        * doc/incr.n:           Revised [incr] to auto-initialize when varName
        * generic/tclExecute.c: argument is unset.  [Patch 1413115].
        * generic/tclVar.c:
        * tests/compile.test:
        * tests/incr-old.test:
        * tests/incr.test:
        * tests/set.test:

2 files changed, 7 insertions, 7 deletions

diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 6fb49ec..6777cd2 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclExecute.c,v 1.225 2005/12/27 20:14:08 kennykb Exp $
+ * RCS: @(#) $Id: tclExecute.c,v 1.226 2006/02/09 17:34:41 dgp Exp $
  */
 
 #include "tclInt.h"
@@ -2403,7 +2403,7 @@ TclExecuteByteCode(
 	part1 = TclGetString(objPtr);
 
 	varPtr = TclObjLookupVar(interp, objPtr, part2,
-		TCL_LEAVE_ERR_MSG, "read", 0, 1, &arrayPtr);
+		TCL_LEAVE_ERR_MSG, "read", 1, 1, &arrayPtr);
 	if (varPtr == NULL) {
 	    Tcl_AddObjErrorInfo(interp,
 		    "\n    (reading value of variable to increment)", -1);
diff --git a/generic/tclVar.c b/generic/tclVar.c
index 0977bfc..50b02b3 100644
--- a/generic/tclVar.c
+++ b/generic/tclVar.c
@@ -15,7 +15,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclVar.c,v 1.119 2006/02/02 10:55:05 dkf Exp $
+ * RCS: @(#) $Id: tclVar.c,v 1.120 2006/02/09 17:34:42 dgp Exp $
  */
 
 #include "tclInt.h"
@@ -1780,7 +1780,7 @@ TclIncrObjVar2(
     part2 = ((part2Ptr == NULL)? NULL : TclGetString(part2Ptr));
 
     varPtr = TclObjLookupVar(interp, part1Ptr, part2, flags, "read",
-	    0, 1, &arrayPtr);
+	    1, 1, &arrayPtr);
     if (varPtr == NULL) {
 	Tcl_AddObjErrorInfo(interp,
 		"\n    (reading value of variable to increment)", -1);
@@ -1839,11 +1839,11 @@ TclPtrIncrObjVar(
     register Tcl_Obj *varValuePtr, *newValuePtr = NULL;
     int duplicated, code;
 
+    varPtr->refCount++;
     varValuePtr = TclPtrGetVar(interp, varPtr, arrayPtr, part1, part2, flags);
+    varPtr->refCount--;
     if (varValuePtr == NULL) {
-	Tcl_AddObjErrorInfo(interp,
-		"\n    (reading value of variable to increment)", -1);
-	return NULL;
+	varValuePtr = Tcl_NewIntObj(0);
     }
     if (Tcl_IsShared(varValuePtr)) {
 	duplicated = 1;