commit bd4315042e7721fc6b38335b6d159eb297174afb
author Rich Lane <rlane@bigswitch.com> Fri Jun 21 16:30:20 2013 -0700
committer Rich Lane <rlane@bigswitch.com> Fri Aug 02 10:35:08 2013 -0700
tree d0eaac33e0176b41e9f9c10d59f93a40bb5684a6
parent e94a14238d0db16d95a32543c9548d3095e1129f

frontend: add syntax for inheritance

loxi_front_end/parser.py

diff --git a/loxi_front_end/parser.py b/loxi_front_end/parser.py
index 503a05a..7893008 100644
--- a/loxi_front_end/parser.py
+++ b/loxi_front_end/parser.py
@@ -54,7 +54,8 @@
 type_member = P.Group(tag('type') + any_type + identifier + s('==') + integer)
 data_member = P.Group(tag('data') + any_type - identifier)
 struct_member = pad_member | type_member | data_member;
-struct = kw('struct') - identifier - s('{') + \
+parent = (s(':') - identifier) | tag(None)
+struct = kw('struct') - identifier - parent - s('{') + \
          P.Group(P.ZeroOrMore(struct_member - s(';'))) + \
          s('}') - s(';')