-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irvrfy.h
+ * Purpose: Check irnodes for correctness.
+ * Author: Christian Schaefer
+ * Modified by: Goetz Lindenmaier. Till Riedel
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
+
+/**
+* @file irvrfy.h
*
-* Author: Christian Schaefer
+* ir graph verification.
*
-* irgraph.h: ir graph verification
+* @author Christian Schaefer
*/
-/* $Id$ */
-
# ifndef _IRVRFY_H_
# define _IRVRFY_H_
# include "irnode.h"
# include "irgraph.h"
-/* Tests the modes of chechnode and its predecessors.
- Checknode must be in current_ir_graph. */
-void irn_vrfy (struct ir_node *checknode);
+typedef enum _node_verification_t {
+ NODE_VERIFICATION_OFF = 0, /**< do not verify nodes at all */
+ NODE_VERIFICATION_ON = 1, /**< do node verification and assert on error in debug version */
+ NODE_VERIFICATION_REPORT = 2, /**< do node verification, but report to stderr only */
+ NODE_VERIFICATION_ERROR_ONLY = 3 /**< do node verification, but NEVER do assert nor report */
+} node_verification_t;
+
+/** Select verification of nodes.
+ *
+ * Per default the verification is in mode NODE_VERIFICATION_ASSERT.
+ * Turn the verification off during development to check partial implementations.
+ */
+void do_node_verification(node_verification_t mode);
+
+/**
+ * Tests the modes of checknode and its predecessors.
+ * Checknode must be in current_ir_graph.
+ *
+ * \return
+ * NON-zero on success
+ */
+int irn_vrfy(struct ir_node *checknode);
+
+/**
+ * Tests the modes of checknode and its predecessors.
+ * Checknode must be in given ir_graph.
+ *
+ * \return
+ * NON-zero on success
+ */
+int irn_vrfy_irg(struct ir_node *checknode, ir_graph *irg);
-/* Calls irn_vrfy for each node in irg.
- Graph must be in state "pinned".*/
-void irg_vrfy (ir_graph *irg);
+/**
+ * Same as irn_vrfy_irg, but temporary sets verification mode to
+ * NODE_VERIFICATION_ERROR_ONLY.
+ * \return
+ * NON-zero on success
+ */
+int irn_vrfy_irg_dump(struct ir_node *checknode, ir_graph *irg, const char **bad_string);
+/**
+ * Calls irn_vrfy for each node in irg.
+ * Graph must be in state "op_pin_state_pinned".
+ *
+ * \return
+ * NON-zero on success.
+ */
+int irg_vrfy(ir_graph *irg);
# endif /* _IRVRFY_H_ */