From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Thu, 20 Apr 2006 08:52:30 +0000 (+0000)
Subject: Used hooks to implement dump_add_node_info_callback()
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=d9bef16cf09218c009110a0ce40c061a471f5b9d;p=libfirm

Used hooks to implement dump_add_node_info_callback()
add prototypes to header file

[r7646]
---

diff --git a/ir/ir/irdump.c b/ir/ir/irdump.c
index 0b570b367..c01465590 100644
--- a/ir/ir/irdump.c
+++ b/ir/ir/irdump.c
@@ -42,6 +42,7 @@
 #include "irloop_t.h"
 #include "callgraph.h"
 #include "irextbb_t.h"
+#include "irhooks.h"
 #include "dbginfo_t.h"
 #include "irtools.h"
 
@@ -1125,48 +1126,24 @@ static void dump_node_vcgattr(FILE *F, ir_node *node, ir_node *local, int bad)
   }
 }
 
-static struct list_head node_info_callbacks = { NULL };
-static int node_info_callbacks_inited       = 0;
-
-typedef struct _node_dump_cb_info_t {
-	struct list_head list;
-	dump_node_info_cb_t *cb;
-	void *data;
-} node_dump_cb_info_t;
-
+/* Adds a new node info dumper callback. */
 void *dump_add_node_info_callback(dump_node_info_cb_t *cb, void *data)
 {
-	node_dump_cb_info_t *info = xmalloc(sizeof(info[0]));
+  hook_entry_t *info = xmalloc(sizeof(*info));
 
-	if(!node_info_callbacks_inited) {
-		INIT_LIST_HEAD(&node_info_callbacks);
-		node_info_callbacks_inited = 1;
-	}
+  info->hook._hook_node_info = cb;
+  info->context              = data;
+  register_hook(hook_node_info, info);
 
-	INIT_LIST_HEAD(&info->list);
-	info->cb   = cb;
-	info->data = data;
-	list_add(&info->list, &node_info_callbacks);
-	return info;
+  return info;
 }
 
+/* Remove a previously added info dumper callback. */
 void dump_remv_node_info_callback(void *handle)
 {
-	node_dump_cb_info_t *info = handle;
-	list_del(&info->list);
-	xfree(info);
-}
-
-static void dump_node_info_call(FILE *f, const ir_node *n)
-{
-	node_dump_cb_info_t *pos;
-
-	if(!node_info_callbacks_inited)
-		return;
-
-	list_for_each_entry(node_dump_cb_info_t, pos, &node_info_callbacks, list) {
-		pos->cb(pos->data, f, n);
-	}
+  hook_entry_t *info = handle;
+  unregister_hook(hook_node_info, info);
+  xfree(info);
 }
 
 /**
@@ -1183,7 +1160,8 @@ static INLINE int dump_node_info(FILE *F, ir_node *n)
   if (ops->dump_node)
     bad = ops->dump_node(n, F, dump_node_info_txt);
 
-  dump_node_info_call(F, n);
+  /* allow additional info to be added */
+  hook_node_info(F, n);
   fprintf(F, "\"\n");
 
   return bad;
diff --git a/ir/ir/irdump.h b/ir/ir/irdump.h
index 1808ee40e..b2c6d9cc0 100644
--- a/ir/ir/irdump.h
+++ b/ir/ir/irdump.h
@@ -651,4 +651,28 @@ void dump_ld_names(int flag);
  */
 void dump_all_anchors(int flag);
 
+/** A node info dumper callback. */
+typedef void (dump_node_info_cb_t)(void *data, FILE *f, const ir_node *n);
+
+/**
+ * Adds a new node info dumper callback. It is possible to add an unlimited
+ * number of callbacks. The callbacks are called at the end of the default
+ * info dumper.
+ *
+ * @param cb    the callback function to be called
+ * @param data  a context parameter
+ *
+ * @return A callback handle.
+ *
+ * @note This functionality is only available, if Firm hooks are enabled (default).
+ */
+void *dump_add_node_info_callback(dump_node_info_cb_t *cb, void *data);
+
+/**
+ * Remove a previously added info dumper callback.
+ *
+ * @param handle  the callback handle returned from dump_add_node_info_callback()
+ */
+void dump_remv_node_info_callback(void *handle);
+
 # endif /* _IRDUMP_H_ */