From de34592dbebfa8882f495694d73f2a8b1e2d0856 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Mon, 9 Jul 2018 19:22:40 -0700
Subject: Adding some compatibility stuff.

---
 nomsu_compiler.lua | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'nomsu_compiler.lua')

diff --git a/nomsu_compiler.lua b/nomsu_compiler.lua
index 98f3791..8c01860 100644
--- a/nomsu_compiler.lua
+++ b/nomsu_compiler.lua
@@ -486,6 +486,14 @@ do
     return run_lua_fn()
   end
   NomsuCompiler.compile = function(self, tree)
+    if tree.version then
+      do
+        local upgrade = self['A' .. string.as_lua_id("upgrade 1 from 2")]
+        if upgrade then
+          tree = upgrade(tree, tree.version)
+        end
+      end
+    end
     local _exp_0 = tree.type
     if "Action" == _exp_0 then
       local stub = tree.stub
-- 
cgit v1.2.3