X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fdebug%2Fdbginfo.c;h=0aa2642c801b668a2e8947172337bd84a68a4b5b;hb=5af0c3e521bf6375f0249b661605f9f5570c6e4e;hp=1f883348f46b14d283a845e65452d06bef7a3add;hpb=4d92c153710e2ac1209b5105f14ba8478f119e53;p=libfirm

diff --git a/ir/debug/dbginfo.c b/ir/debug/dbginfo.c
index 1f883348f..0aa2642c8 100644
--- a/ir/debug/dbginfo.c
+++ b/ir/debug/dbginfo.c
@@ -1,20 +1,17 @@
 /*
-*  Copyright (C) 2001 by Universitaet Karlsruhe
-*  All rights reserved.
-*
-*  Authors: Goetz Lindenmaier
-*
-*  dbginfo: This is a empty implementation of the Firm interface to
-*  debugging support.  It only guarantees that the Firm library compiles
-*  and runs without any real debugging support.
-*  The functions herein are declared weak so that they can be overriden
-*  by a real implementation.
-*/
-
-/* $Id$ */
+ * Project:     libFIRM
+ * File name:   ir/debug/dbginfo.c
+ * Purpose:     Implements the Firm interface to debug information.
+ * Author:      Goetz Lindenmaier
+ * Modified by: Michael Beck
+ * Created:     2001
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2001-2006 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
 #endif
 
 #include "dbginfo_t.h"
@@ -22,59 +19,99 @@
 #include "type_t.h"
 #include "entity_t.h"
 
+merge_pair_func *__dbg_info_merge_pair = default_dbg_info_merge_pair;
 
-INLINE void
-dbg_info_merge_pair(ir_node *nw, ir_node *old, dbg_action info) {
-  set_irn_dbg_info(nw, get_irn_dbg_info(old));
-}
+merge_sets_func *__dbg_info_merge_sets = default_dbg_info_merge_sets;
 
-INLINE void
-dbg_info_merge_sets(ir_node **new_nodes, int n_new_nodes,
-		    ir_node **old_nodes, int n_old_nodes,
-		    dbg_action info) {
-}
+snprint_dbg_func *__dbg_info_snprint   = (snprint_dbg_func *)0;
 
-
-void (*__dbg_info_merge_pair)(ir_node *nw, ir_node *old, dbg_action info)
-     = &dbg_info_merge_pair;
-
-void (*__dbg_info_merge_sets)(ir_node **new_nodes, int n_new_nodes,
-			      ir_node **old_nodes, int n_old_nodes,
-			      dbg_action info)
-     = &dbg_info_merge_sets;
-
-
-void dbg_init( merge_pair_func *mpf, merge_sets_func *msf )
+void dbg_init( merge_pair_func *mpf, merge_sets_func *msf, snprint_dbg_func *snprint_dbg )
 {
-  __dbg_info_merge_pair = merge_pair;
-  __dbg_info_merge_sets = merge_sets;
-}
+	__dbg_info_merge_pair = mpf ? mpf : default_dbg_info_merge_pair;
+	__dbg_info_merge_sets = msf ? msf : default_dbg_info_merge_sets;
+	__dbg_info_snprint    = snprint_dbg;
+}  /* dbg_init */
 
 
-INLINE void
-set_irn_dbg_info(ir_node *n, struct dbg_info* db) {
-  n->dbi = db;
-}
+void set_irn_dbg_info(ir_node *n, dbg_info *db) {
+	n->dbi = db;
+}  /* set_irn_dbg_info */
 
-INLINE struct dbg_info *
-get_irn_dbg_info(ir_node *n) {
-  return n->dbi;
-}
+struct dbg_info *get_irn_dbg_info(const ir_node *n) {
+	return n->dbi;
+}  /* get_irn_dbg_info */
 
 
 /* Routines to access the field of an entity containing the
    debugging information. */
-INLINE void set_entity_dbg_info(entity *ent, dbg_info* db) {
-  ent->dbi = db;
-}
-INLINE dbg_info *get_entity_dbg_info(entity *ent) {
-  return ent->dbi;
-}
+void set_entity_dbg_info(ir_entity *ent, dbg_info *db) {
+	ent->dbi = db;
+}  /* set_entity_dbg_info */
+
+dbg_info *get_entity_dbg_info(const ir_entity *ent) {
+	return ent->dbi;
+}  /* get_entity_dbg_info */
+
 /* Routines to access the field of a type containing the
    debugging information. */
-INLINE void set_type_dbg_info(type *tp, dbg_info* db) {
-  tp->dbi = db;
-}
-INLINE dbg_info *get_type_dbg_info(type *tp) {
-  return tp->dbi;
-}
+void set_type_dbg_info(ir_type *tp, dbg_info *db) {
+	tp->dbi = db;
+}  /* set_type_dbg_info */
+
+dbg_info *get_type_dbg_info(const ir_type *tp) {
+	return tp->dbi;
+}  /* get_type_dbg_info */
+
+/*
+ * Converts a debug_action into a string.
+ */
+const char *dbg_action_2_str(dbg_action a) {
+#define CASE(a) case a: return #a
+
+	switch (a) {
+	CASE(dbg_error);
+	CASE(dbg_opt_ssa);
+	CASE(dbg_opt_auxnode);
+	CASE(dbg_const_eval);
+	CASE(dbg_opt_cse);
+	CASE(dbg_straightening);
+	CASE(dbg_if_simplification);
+	CASE(dbg_algebraic_simplification);
+	CASE(dbg_write_after_write);
+	CASE(dbg_write_after_read);
+	CASE(dbg_read_after_write);
+	CASE(dbg_read_after_read);
+	CASE(dbg_read_a_const);
+	CASE(dbg_rem_poly_call);
+	CASE(dbg_dead_code);
+	CASE(dbg_opt_confirm);
+	CASE(dbg_backend);
+	default:
+		if (a <= dbg_max)
+			return "string conversion not implemented";
+		else
+			assert(!"Missing debug action in dbg_action_2_str()");
+		return NULL;
+	}
+#undef CASE
+}  /* dbg_action_2_str */
+
+
+void default_dbg_info_merge_pair(ir_node *nw, ir_node *old, dbg_action info) {
+	dbg_info *new_db = get_irn_dbg_info(nw);
+	if (new_db == NULL)
+		set_irn_dbg_info(nw, get_irn_dbg_info(old));
+}  /* default_dbg_info_merge_pair */
+
+void default_dbg_info_merge_sets(ir_node **new_nodes, int n_new_nodes,
+                                 ir_node **old_nodes, int n_old_nodes,
+                                 dbg_action info) {
+	if (n_old_nodes == 1) {
+		dbg_info *old_db = get_irn_dbg_info(old_nodes[0]);
+		int i;
+
+		for (i = 0; i < n_new_nodes; ++i)
+			if (get_irn_dbg_info(new_nodes[i]) == NULL)
+				set_irn_dbg_info(new_nodes[i], old_db);
+	}
+}  /* default_dbg_info_merge_sets */