1 files changed, 22 insertions, 0 deletions
diff --git a/gdb/value.h b/gdb/value.h
index 4aba8c0..0c5ab28 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -714,6 +714,28 @@ extern struct value *value_mark (void);
 
 extern void value_free_to_mark (const struct value *mark);
 
+/* A helper class that uses value_mark at construction time and calls
+   value_free_to_mark in the destructor.  This is used to clear out
+   temporary values created during the lifetime of this object.  */
+class scoped_value_mark
+{
+ public:
+
+  scoped_value_mark ()
+    : m_value (value_mark ())
+  {
+  }
+
+  ~scoped_value_mark ()
+  {
+    value_free_to_mark (m_value);
+  }
+
+ private:
+
+  const struct value *m_value;
+};
+
 extern struct value *value_cstring (const char *ptr, ssize_t len,
 				    struct type *char_type);
 extern struct value *value_string (const char *ptr, ssize_t len,