Added code to save space in namespaces. Currently #ifdef'ed out for compat.

Also added code from itcl-ng for better separation of concerns.


FossilOrigin-Name: 518b8a92e083149d15d0045b0931240c85452db7

1 files changed, 11 insertions, 2 deletions

diff --git a/generic/tclInt.h b/generic/tclInt.h
index 8c5cf3d..d2d8830 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -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: tclInt.h,v 1.429 2009/07/14 16:52:28 kennykb Exp $
+ * RCS: @(#) $Id: tclInt.h,v 1.430 2009/07/15 13:17:18 dkf Exp $
  */
 
 #ifndef _TCLINT
@@ -215,6 +215,15 @@ typedef struct TclVarHashTable {
     TclVarHashCreateVar((tablePtr), (key), NULL)
 
 /*
+ * Define this to reduce the amount of space that the average namespace
+ * consumes by only allocating the table of child namespaces when necessary.
+ * Defining it breaks compatibility for Tcl extensions (e.g., itcl) which
+ * reach directly into the Namespace structure.
+ */
+
+#undef BREAK_NAMESPACE_COMPAT
+
+/*
  * The structure below defines a namespace.
  * Note: the first five fields must match exactly the fields in a
  * Tcl_Namespace structure (see tcl.h). If you change one, be sure to change
@@ -236,7 +245,7 @@ typedef struct Namespace {
     struct Namespace *parentPtr;/* Points to the namespace that contains this
 				 * one. NULL if this is the global
 				 * namespace. */
-#if 1
+#ifndef BREAK_NAMESPACE_COMPAT
     Tcl_HashTable childTable;	/* Contains any child namespaces. Indexed by
 				 * strings; values have type (Namespace *). */
 #else