be: Replace generate_emitter.pl by generate_emitter_new.pl.

[libfirm] / ir / ir / irnodeset.h

diff --git a/ir/ir/irnodeset.h b/ir/ir/irnodeset.h
index e20e99d..2c298aa 100644 (file)
--- a/ir/ir/irnodeset.h
+++ b/ir/ir/irnodeset.h
@@ -1,28 +1,55 @@
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
 /**
  * @file
  * @author    Matthias Braun
  * @date      30.03.2007
  * @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 <stdbool.h>
+#include "firm_types.h"
+#include "xmalloc.h"
 
 #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
+ * Initializes a nodeset with default size.
  *
  * @param nodeset      Pointer to allocated space for the nodeset
  */
@@ -32,7 +59,7 @@ void ir_nodeset_init(ir_nodeset_t *nodeset);
  * Initializes a nodeset
  *
  * @param nodeset             Pointer to allocated space for the nodeset
- * @param expected_elements   Number of elements expected in the nodeset (rougly)
+ * @param expected_elements   Number of elements expected in the nodeset (roughly)
  */
 void ir_nodeset_init_size(ir_nodeset_t *nodeset, size_t expected_elements);
 
@@ -44,15 +71,36 @@ void ir_nodeset_init_size(ir_nodeset_t *nodeset, size_t expected_elements);
  */
 void ir_nodeset_destroy(ir_nodeset_t *nodeset);
 
+/**
+ * Allocates memory for a nodeset and initializes the set.
+ *
+ * @param expected_elements   Number of elements expected in the nodeset (roughly)
+ * @return The initialized nodeset
+ */
+static inline ir_nodeset_t *ir_nodeset_new(size_t expected_elements) {
+       ir_nodeset_t *res = XMALLOC(ir_nodeset_t);
+       ir_nodeset_init_size(res, expected_elements);
+       return res;
+}
+
+/**
+ * Destroys a nodeset and frees the memory of the nodeset itself.
+ */
+static inline void ir_nodeset_del(ir_nodeset_t *nodeset) {
+       ir_nodeset_destroy(nodeset);
+       xfree(nodeset);
+}
+
 /**
  * Inserts a node into a nodeset.
  *
  * @param nodeset   Pointer to the nodeset
  * @param node      node to insert into the nodeset
- * @returns         1 if the element has been inserted,
- *                  0 if it was already there
+ * @returns         true if the element has been inserted,
+ *                  false if it was already there
  */
-int ir_nodeset_insert(ir_nodeset_t *nodeset, ir_node *node);
+bool ir_nodeset_insert(ir_nodeset_t *nodeset, ir_node *node);
+
 
 /**
  * Removes a node from a nodeset. Does nothing if the nodeset doesn't contain
@@ -68,9 +116,8 @@ void ir_nodeset_remove(ir_nodeset_t *nodeset, const ir_node *node);
  *
  * @param nodeset   Pointer to the nodeset
  * @param node      The pointer to find
- * @returns         1 if nodeset contains the node, 0 else
  */
-int ir_nodeset_contains(const ir_nodeset_t *nodeset, const ir_node *node);
+bool ir_nodeset_contains(const ir_nodeset_t *nodeset, const ir_node *node);
 
 /**
  * Returns the number of pointers contained in the nodeset
@@ -110,9 +157,17 @@ ir_node *ir_nodeset_iterator_next(ir_nodeset_iterator_t *iterator);
 void ir_nodeset_remove_iterator(ir_nodeset_t *nodeset,
                                 const ir_nodeset_iterator_t *iterator);
 
+static inline ir_node *ir_nodeset_first(ir_nodeset_t const *const nodeset)
+{
+       ir_nodeset_iterator_t iter;
+       ir_nodeset_iterator_init(&iter, nodeset);
+       return ir_nodeset_iterator_next(&iter);
+}
+
 #define foreach_ir_nodeset(nodeset, irn, iter) \
-       for(ir_nodeset_iterator_init(&iter, nodeset), \
-        irn = ir_nodeset_iterator_next(&iter);    \
-               irn != NULL; irn = ir_nodeset_iterator_next(&iter))
+       for (bool irn##__once = true; irn##__once;) \
+               for (ir_nodeset_iterator_t iter; irn##__once;) \
+                       for (ir_node *irn; irn##__once; irn##__once = false) \
+                               for (ir_nodeset_iterator_init(&iter, nodeset); (irn = ir_nodeset_iterator_next(&iter));)
 
 #endif