make firm compilable with a c++ compiler

[libfirm] / ir / ana / absgraph.c

diff --git a/ir/ana/absgraph.c b/ir/ana/absgraph.c
index d641804..f566344 100644 (file)
--- a/ir/ana/absgraph.c
+++ b/ir/ana/absgraph.c
@@ -1,13 +1,32 @@
+/*
+ * 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   absgraph.c
- * @date   20.04.2007
- * @author Sebastian Hack
+ * @file    absgraph.c
+ * @author  Sebastian Hack
+ * @date    20.04.2007
+ * @version $Id$
+ * @brief
  *
  * Abstract graph implementations for the CFG of a ir_graph.
- *
- * Copyright (C) 2007 Universitaet Karlsruhe
- * Released under the GPL
  */
+#include <config.h>
 
 #include "irgraph_t.h"
 #include "iredges_t.h"
@@ -15,37 +34,56 @@
 
 static void *irg_cfg_succ_get_root(void *self)
 {
-       ir_graph *irg = self;
-       edges_activate_kind(irg, EDGE_KIND_BLOCK);
+       ir_graph *irg = (ir_graph*) self;
+       edges_assure_kind(irg, EDGE_KIND_BLOCK);
        return get_irg_start_block(irg);
 }
 
+static void *irg_cfg_succ_get_end(void *self)
+{
+       ir_graph *irg = (ir_graph*) self;
+       return get_irg_end_block(irg);
+}
+
 static void irg_cfg_succ_grow_succs(void *self, void *node, struct obstack *obst)
 {
-       ir_node *bl = node;
+       ir_node *bl = (ir_node*) node;
        const ir_edge_t *edge;
-       foreach_block_succ(bl, edge)
+
+       (void) self;
+       foreach_block_succ(bl, edge) {
                obstack_ptr_grow(obst, get_edge_src_irn(edge));
+       }
 }
 
 const absgraph_t absgraph_irg_cfg_succ = {
        irg_cfg_succ_get_root,
-       irg_cfg_succ_grow_succs
+       irg_cfg_succ_grow_succs,
+       irg_cfg_succ_get_end
 };
 
 static void *irg_cfg_pred_get_root(void *self)
 {
-       return get_irg_end_block(self);
+       return get_irg_end_block((ir_graph*) self);
+}
+
+static void *irg_cfg_pred_get_end(void *self)
+{
+       return get_irg_start_block((ir_graph*) self);
 }
 
 static void irg_cfg_pred_grow_succs(void *self, void *node, struct obstack *obst)
 {
        int i, n;
-       for (i = 0, n = get_irn_arity(node); i < n; ++i)
-               obstack_ptr_grow(obst, get_irn_n(node, i));
+
+       (void) self;
+       for (i = 0, n = get_irn_arity((ir_node*) node); i < n; ++i) {
+               obstack_ptr_grow(obst, get_irn_n((ir_node*) node, i));
+       }
 }
 
 const absgraph_t absgraph_irg_cfg_pred = {
        irg_cfg_pred_get_root,
-       irg_cfg_pred_grow_succs
+       irg_cfg_pred_grow_succs,
+       irg_cfg_pred_get_end
 };