2008-10-16 Thiago Jung Bauermann <bauerman@br.ibm.com>

	    Tom Tromey  <tromey@redhat.com>

gdb/
	* Makefile.in (SUBDIR_PYTHON_OBS): Add python-value.o.
	(SUBDIR_PYTHON_SRCS): Add python-value.c.
	(python-value.o): New target.
	* configure.ac (CONFIG_OBS): Add python-value.o.
	(CONFIG_SRCS): Add python/python-value.c
	* configure: Regenerate.
	* python-internal.h (value_object_type): Add external declaration.
	(gdbpy_get_value_from_history, value_to_value_object,
	convert_value_from_python, gdbpy_initialize_values): Add function
	prototype.
	* python/python-value.c: New file.
	* python/python.c (GdbMethods): Add gdbpy_get_value_from_history.
	(_initialize_python): Call gdbpy_initialize_values.
	* python/python.h (values_in_python): Add external declaration.
	* value.c (value_prepend_to_list, value_remove_from_list): New
	functions.
	(preserve_values): Iterate over values_in_python list as well.
	* value.h (value_prepend_to_list, value_remove_from_list): Add
	function prototypes.

gdb/doc/
	* gdb.texinfo. (Values From Inferior): New subsubsection.

gdb/testsuite/
	* gdb.python/python-value.c: New file.
	* gdb.python/python-value.exp: New file.

1 files changed, 8 insertions, 2 deletions

diff --git a/gdb/value.h b/gdb/value.h
index deb2629..f53d333 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -40,9 +40,15 @@ struct language_defn;
 
 struct value;
 
+/* Needed if another module needs to maintain its own list of values.  */
+
+void value_prepend_to_list (struct value **head, struct value *val);
+void value_remove_from_list (struct value **head, struct value *val);
+
 /* Values are stored in a chain, so that they can be deleted easily
-   over calls to the inferior.  Values assigned to internal variables
-   or put into the value history are taken off this list.  */
+   over calls to the inferior.  Values assigned to internal variables,
+   put into the value history or exposed to Python are taken off this
+   list.  */
 
 struct value *value_next (struct value *);