X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnodeset.h;h=b279c06343665627f3650b552955ad21ae55444c;hb=5af4cb6fd26054ef16c8da79d534abacb2a32c6e;hp=6e5a51e6a9d86e0d9eaffcf8eea56c52061384b4;hpb=eb08138c6b80c169945568e4414f491a9bc20388;p=libfirm

diff --git a/ir/ir/irnodeset.h b/ir/ir/irnodeset.h
index 6e5a51e6a..b279c0634 100644
--- a/ir/ir/irnodeset.h
+++ b/ir/ir/irnodeset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -24,23 +24,42 @@
  * @brief     A nodeset. This should be prefered over a simple pset, because it
  *            tries to guarantee deterministic behavior. (and is faster)
  * @version   $Id$
+ * @note      Actually the bits to make the behaviour deterministic are not
+ *            implemented yet...
  */
 #ifndef _FIRM_IRNODESET_H_
 #define _FIRM_IRNODESET_H_
 
-#include "irnode.h"
+#include "firm_config.h"
+
+#include "firm_types.h"
 #include "xmalloc.h"
 
+/*
+ * sebastian experimental:
+ * use ordered arrays as node sets.
+ * the guys here have made good experiences with that.
+ * Internally we use normal Firm arrays and binary
+ * search for locating the elements. Using arrays should
+ * give the sets a small footprint.
+ */
+#undef  IR_NODESET_USE_ORDERED_SETS
+
 #define HashSet          ir_nodeset_t
 #define HashSetIterator  ir_nodeset_iterator_t
 #define ValueType        ir_node*
 #define DO_REHASH
+
 #include "hashset.h"
+
 #undef DO_REHASH
 #undef ValueType
 #undef HashSetIterator
 #undef HashSet
 
+typedef struct ir_nodeset_t          ir_nodeset_t;
+typedef struct ir_nodeset_iterator_t ir_nodeset_iterator_t;
+
 /**
  * Initializes a nodeset with default size.
  *
@@ -94,6 +113,7 @@ static INLINE void ir_nodeset_del(ir_nodeset_t *nodeset) {
  */
 int ir_nodeset_insert(ir_nodeset_t *nodeset, ir_node *node);
 
+
 /**
  * Removes a node from a nodeset. Does nothing if the nodeset doesn't contain
  * the node.