API: Add support for type aliases

Previously all types are compound. This adds support for aliases,
so one can do things like:

typedef u32 interface_index;

or
typedef u8 ip4_address[4];

Change-Id: I0455cad0123fc88acb491d2a3ea2725426bdb246
Signed-off-by: Ole Troan <ot@cisco.com>
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
index 299796b908b..3c2db15d176 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
@@ -320,6 +320,7 @@ class JVppModel(object):
         types = {}
         self._messages = []
         self._services = {}
+        self._aliases = {}
         for file_name in json_api_files:
             with open(file_name) as f:
                 j = json.load(f)
@@ -328,6 +329,8 @@ class JVppModel(object):
                 types.update({d[0]: {'type': 'union', 'data': d} for d in j['unions']})
                 self._messages.extend(j['messages'])
                 self._services.update(j['services'])
+                self._aliases.update(j['aliases'])
+
         self._parse_types(types)
 
     def _parse_types(self, types):
@@ -481,6 +484,10 @@ class JVppModel(object):
 
     def _parse_field(self, field, fields):
         type_name = _extract_type_name(field[0])
+        if type_name in self._aliases and type_name not in self._types_by_name:
+            aliased_type = self._types_by_name.get(self._aliases.get(type_name).get("type"))
+            self._types_by_name[type_name] = aliased_type
+
         if type_name in self._types_by_name:
             if len(field) > 2:
                 # Array field