1 files changed, 51 insertions, 0 deletions
diff --git a/share/gdb/python/gdb/FrameIterator.py b/share/gdb/python/gdb/FrameIterator.py
new file mode 100644
index 0000000..c99a91e
--- /dev/null
+++ b/share/gdb/python/gdb/FrameIterator.py
@@ -0,0 +1,51 @@
+# Copyright (C) 2013-2014 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import gdb
+import itertools
+
+class FrameIterator(object):
+    """A gdb.Frame iterator.  Iterates over gdb.Frames or objects that
+    conform to that interface."""
+
+    def __init__(self, frame_obj):
+        """Initialize a FrameIterator.
+
+        Arguments:
+            frame_obj the starting frame."""
+
+        super(FrameIterator, self).__init__()
+        self.frame = frame_obj
+
+    def __iter__(self):
+        return self
+
+    def next(self):
+        """next implementation.
+
+        Returns:
+            The next oldest frame."""
+
+        result = self.frame
+        if result is None:
+            raise StopIteration
+        self.frame = result.older()
+        return result
+
+    # Python 3.x requires __next__(self) while Python 2.x requires
+    # next(self).  Define next(self), and for Python 3.x create this
+    # wrapper.
+    def __next__(self):
+        return self.next()