X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fst%2Fexc.h;h=826b270138a6d3d96e3dc351566a4de427e87f8f;hb=184602875611495e608c27263d0a5a8f24078a70;hp=96957703fcce15e0ea79bdf5851edd86cbefee69;hpb=5ff40d04f7617b3ea10b11ef9b46dbdb7d02249c;p=libfirm

diff --git a/ir/st/exc.h b/ir/st/exc.h
index 96957703f..826b27013 100644
--- a/ir/st/exc.h
+++ b/ir/st/exc.h
@@ -1,19 +1,23 @@
-/* Copyright (c) 2002 by Universität Karlsruhe (TH).  All Rights Reserved */
-//
-// Time-stamp: <02/03/22 17:03:05 liekweg>
-//
+/*
+ * Project:     libFIRM
+ * File name:   ir/st/exc.h
+ * Purpose:     Helper functions for jack exceptions.
+ * Author:      Florian Liekweg
+ * Modified by:
+ * Created:     4.3.2002
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2002-2003 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
 
-/***
+
+/**
    NAME
      exc
    PURPOSE
      Helper functions for exceptions
-   NOTES
+   S
      not quite complete
-   HISTORY
-     liekweg - Mar 4, 2002: Created.
-   CVS:
-     $Id$
 ***/
 
 # include "irnode.h"
@@ -21,18 +25,56 @@
 # ifndef _EXC_H_
 # define _EXC_H_
 
+# include "st.h"
+# include "irop.h"
+# include "irouts.h"
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 typedef enum {
-  exc_invalid,					/* not yet computed */
+  exc_invalid = 0,					/* not yet computed */
   exc_normal,					/* normal CF */
-  exc_entry,					/* handler entry */
-  exc_handler,					/* handler block */
+
+  /* must push a new exc context at entry of block: */
   exc_region,					/* region entry */
-  exc_cont						/* cont block */
+
+  /* must pop current exc context at EXIT of block */
+  exc_exit,						/* region exit */
+
+  /* must pop current exc context at entry of block */
+  exc_handler,					/* handler entry */
+
+  exc_max						/* maximum value of enum for 'bounds checking' */
 } exc_t;
 
+
+
+const char *exc_to_string (exc_t);
+
 bool is_handler_entry (ir_graph*, ir_node*);
 bool is_region_entry  (ir_graph*, ir_node*);
 bool is_handler_block (ir_graph*, ir_node*);
 bool is_cont_entry    (ir_graph*, ir_node*);
 
+void     set_Block_exc     (ir_node*, exc_t);
+exc_t    get_Block_exc     (ir_node*);
+
+void     set_Node_exc      (ir_node*, exc_t);
+exc_t    get_Node_exc      (ir_node*);
+
+/* handler handling  @@@ ajacs specific -- not supported  */
+void     set_Block_handler (ir_node*, ir_node*);
+ir_node* get_Block_handler (ir_node*);
+
+void     set_Node_handler  (ir_node*, ir_node*);
+ir_node* get_Node_handler  (ir_node*);
+
+#ifdef __cplusplus
+}
+#endif
+
 # endif /* def _EXC_H_ */