Pull in Luerl 1.2.3, allow for passing through of tref values (#52)

mix.lock

@@ -1,7 +1,7 @@
 %{
   "earmark_parser": {:hex, :earmark_parser, "1.4.39", "424642f8335b05bb9eb611aa1564c148a8ee35c9c8a8bba6e129d51a3e3c6769", [:mix], [], "hexpm", "06553a88d1f1846da9ef066b87b57c6f605552cfbe40d20bd8d59cc6bde41944"},
   "ex_doc": {:hex, :ex_doc, "0.32.1", "21e40f939515373bcdc9cffe65f3b3543f05015ac6c3d01d991874129d173420", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.1", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "5142c9db521f106d61ff33250f779807ed2a88620e472ac95dc7d59c380113da"},
-  "luerl": {:hex, :luerl, "1.2.2", "a1a61be5bbebdb65d81b4153005d1fb6798b83f9e0a526647c4ffb1730b76356", [:rebar3], [], "hexpm", "a93d4bab56927a52064b7597b92c60e5b89fea0be479612775fab5e81cef0f15"},
+  "luerl": {:hex, :luerl, "1.2.3", "df25f41944e57a7c4d9ef09d238bc3e850276c46039cfc12b8bb42eccf36fcb1", [:rebar3], [], "hexpm", "1b4b9d0ca5d7d280d1d2787a6a5ee9f5a212641b62bff91556baa53805df3aed"},
   "makeup": {:hex, :makeup, "1.1.1", "fa0bc768698053b2b3869fa8a62616501ff9d11a562f3ce39580d60860c3a55e", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "5dc62fbdd0de44de194898b6710692490be74baa02d9d108bc29f007783b0b48"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.16.2", "627e84b8e8bf22e60a2579dad15067c755531fea049ae26ef1020cad58fe9578", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "41193978704763f6bbe6cc2758b84909e62984c7752b3784bd3c218bb341706b"},
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.5", "e0ff5a7c708dda34311f7522a8758e23bfcd7d8d8068dc312b5eb41c6fd76eba", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "94d2e986428585a21516d7d7149781480013c56e30c6a233534bedf38867a59a"},

test/lua_test.exs

@@ -355,6 +355,13 @@ defmodule LuaTest do
       assert [{1, 1}, {2, 2}] = Lua.decode!(lua, ref)
     end
 
+    test "it can re-encode table refs" do
+      lua = Lua.new()
+
+      assert {{:tref, _} = tref, lua} = Lua.encode!(lua, %{a: 1})
+      assert {^tref, _lua} = Lua.encode!(lua, tref)
+    end
+
     test "it raises for values that cannot be encoded" do
       error = "Lua runtime error: Failed to encode {:foo, :bar}"
 
@@ -646,6 +653,16 @@ defmodule LuaTest do
       end
     end
 
+    defmodule GlobalVar do
+      use Lua.API, scope: "gv"
+
+      deflua get(name), state do
+        table = Lua.get!(state, [name])
+
+        {[table], state}
+      end
+    end
+
     setup do
       {:ok, lua: Lua.new()}
     end
@@ -702,6 +719,16 @@ defmodule LuaTest do
 
       assert {["bananas"], _lua} = Lua.eval!(lua, "return foo")
     end
+
+    test "it can handle tref values", %{lua: lua} do
+      lua = Lua.load_api(lua, GlobalVar)
+
+      assert {[[{"a", 1}]], _lua} =
+               Lua.eval!(lua, """
+               foo = { a = 1 }
+               return gv.get("foo")
+               """)
+    end
   end
 
   describe "examples" do