Turn gdbpy_ref into a template

This turns gdbpy_ref into a template class, so that it can be used to
wrap subclasses of PyObject.  The default argument remains PyObject;
and this necessitated renaming uses of "gdbpy_ref" to "gdbpy_ref<>".

gdb/ChangeLog
2017-02-10  Tom Tromey  <tom@tromey.com>

	* python/py-ref.h (gdbpy_ref_policy): Now a template.
	(gdbpy_ref): Now a template; allow subclasses of PyObject to be
	used.
	* python/py-arch.c, python/py-bpevent.c, python/py-breakpoint.c,
	python/py-cmd.c, python/py-continueevent.c, python/py-event.c,
	python/py-exitedevent.c, python/py-finishbreakpoint.c,
	python/py-framefilter.c, python/py-function.c,
	python/py-inferior.c, python/py-infevents.c,
	python/py-linetable.c, python/py-newobjfileevent.c,
	python/py-param.c, python/py-prettyprint.c, python/py-ref.h,
	python/py-signalevent.c, python/py-stopevent.c,
	python/py-symbol.c, python/py-threadevent.c, python/py-type.c,
	python/py-unwind.c, python/py-utils.c, python/py-value.c,
	python/py-varobj.c, python/py-xmethods.c, python/python.c,
	varobj.c: Change gdbpy_ref to gdbpy_ref<>.

1 files changed, 4 insertions, 4 deletions

diff --git a/gdb/python/py-linetable.c b/gdb/python/py-linetable.c
index 1f73ff7..d8597e4 100644
--- a/gdb/python/py-linetable.c
+++ b/gdb/python/py-linetable.c
@@ -132,14 +132,14 @@ build_line_table_tuple_from_pcs (int line, VEC (CORE_ADDR) *vec)
   if (vec_len < 1)
     Py_RETURN_NONE;
 
-  gdbpy_ref tuple (PyTuple_New (vec_len));
+  gdbpy_ref<> tuple (PyTuple_New (vec_len));
 
   if (tuple == NULL)
     return NULL;
 
   for (i = 0; VEC_iterate (CORE_ADDR, vec, i, pc); ++i)
     {
-      gdbpy_ref obj (build_linetable_entry (line, pc));
+      gdbpy_ref<> obj (build_linetable_entry (line, pc));
 
       if (obj == NULL)
 	return NULL;
@@ -238,7 +238,7 @@ ltpy_get_all_source_lines (PyObject *self, PyObject *args)
       return NULL;
     }
 
-  gdbpy_ref source_dict (PyDict_New ());
+  gdbpy_ref<> source_dict (PyDict_New ());
   if (source_dict == NULL)
     return NULL;
 
@@ -250,7 +250,7 @@ ltpy_get_all_source_lines (PyObject *self, PyObject *args)
 	 include in the source set. */
       if (item->line > 0)
 	{
-	  gdbpy_ref line (gdb_py_object_from_longest (item->line));
+	  gdbpy_ref<> line (gdb_py_object_from_longest (item->line));
 
 	  if (line == NULL)
 	    return NULL;