Merging bug 23022 onto default

1 files changed, 14 insertions, 6 deletions

diff --git a/codegen.py b/codegen.py
index 420fc870..14229753 100644
--- a/codegen.py
+++ b/codegen.py
@@ -315,11 +315,16 @@ def genErl(spec):
     methods = spec.allMethods()
 
     printFileHeader()
-    print """-module(rabbit_framing).
--include("rabbit_framing.hrl").
-
+    module = "rabbit_framing_amqp_%d_%d" % (spec.major, spec.minor)
+    if spec.revision != 0:
+        module = "%s_%d" % (module, spec.revision)
+    if module == "rabbit_framing_amqp_8_0":
+        module = "rabbit_framing_amqp_0_8"
+    print "-module(%s)." % module
+    print """-include("rabbit_framing.hrl").
+
+-export([version/0]).
 -export([lookup_method_name/1]).
-
 -export([method_id/1]).
 -export([method_has_content/1]).
 -export([is_method_synchronous/1]).
@@ -395,6 +400,7 @@ def genErl(spec):
     print """
 %% Method signatures
 -ifdef(use_specs).
+-spec(version/0 :: () -> {non_neg_integer(), non_neg_integer(), non_neg_integer()}).
 -spec(lookup_method_name/1 :: (amqp_method()) -> amqp_method_name()).
 -spec(method_id/1 :: (amqp_method_name()) -> amqp_method()).
 -spec(method_has_content/1 :: (amqp_method_name()) -> boolean()).
@@ -414,6 +420,10 @@ bitvalue(true) -> 1;
 bitvalue(false) -> 0;
 bitvalue(undefined) -> 0.
 """
+    version = "{%d, %d, %d}" % (spec.major, spec.minor, spec.revision)
+    if version == '{8, 0, 0}': version = '{0, 8, 0}'
+    print "version() -> %s." % (version)
+
     for m in methods: genLookupMethodName(m)
     print "lookup_method_name({_ClassId, _MethodId} = Id) -> exit({unknown_method_id, Id})."
 
@@ -472,8 +482,6 @@ def genHrl(spec):
     methods = spec.allMethods()
 
     printFileHeader()
-    print "-define(PROTOCOL_VERSION_MAJOR, %d)." % (spec.major)
-    print "-define(PROTOCOL_VERSION_MINOR, %d)." % (spec.minor)
     print "-define(PROTOCOL_PORT, %d)." % (spec.port)
 
     for (c,v,cls) in spec.constants: