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, 6 insertions, 6 deletions

diff --git a/gdb/python/py-utils.c b/gdb/python/py-utils.c
index e26de41..890220a 100644
--- a/gdb/python/py-utils.c
+++ b/gdb/python/py-utils.c
@@ -71,7 +71,7 @@ unicode_to_encoded_string (PyObject *unicode_str, const char *charset)
   gdb::unique_xmalloc_ptr<char> result;
 
   /* Translate string to named charset.  */
-  gdbpy_ref string (PyUnicode_AsEncodedString (unicode_str, charset, NULL));
+  gdbpy_ref<> string (PyUnicode_AsEncodedString (unicode_str, charset, NULL));
   if (string == NULL)
     return NULL;
 
@@ -123,7 +123,7 @@ unicode_to_target_python_string (PyObject *unicode_str)
 gdb::unique_xmalloc_ptr<char>
 python_string_to_target_string (PyObject *obj)
 {
-  gdbpy_ref str (python_string_to_unicode (obj));
+  gdbpy_ref<> str (python_string_to_unicode (obj));
   if (str == NULL)
     return NULL;
 
@@ -138,7 +138,7 @@ python_string_to_target_string (PyObject *obj)
 PyObject *
 python_string_to_target_python_string (PyObject *obj)
 {
-  gdbpy_ref str (python_string_to_unicode (obj));
+  gdbpy_ref<> str (python_string_to_unicode (obj));
   if (str == NULL)
     return NULL;
 
@@ -151,7 +151,7 @@ python_string_to_target_python_string (PyObject *obj)
 gdb::unique_xmalloc_ptr<char>
 python_string_to_host_string (PyObject *obj)
 {
-  gdbpy_ref str (python_string_to_unicode (obj));
+  gdbpy_ref<> str (python_string_to_unicode (obj));
   if (str == NULL)
     return NULL;
 
@@ -185,7 +185,7 @@ gdbpy_is_string (PyObject *obj)
 gdb::unique_xmalloc_ptr<char>
 gdbpy_obj_to_string (PyObject *obj)
 {
-  gdbpy_ref str_obj (PyObject_Str (obj));
+  gdbpy_ref<> str_obj (PyObject_Str (obj));
 
   if (str_obj != NULL)
     {
@@ -269,7 +269,7 @@ get_addr_from_python (PyObject *obj, CORE_ADDR *addr)
     }
   else
     {
-      gdbpy_ref num (PyNumber_Long (obj));
+      gdbpy_ref<> num (PyNumber_Long (obj));
       gdb_py_ulongest val;
 
       if (num == NULL)