From 8e5f391d3a015e918d017b5bcbe5a61573f2f82a Mon Sep 17 00:00:00 2001
From: Ben Lubar <ben.lubar@gmail.com>
Date: Sat, 15 Feb 2020 02:42:44 -0600
Subject: [PATCH] attempt to fix lua calls in check-structures-sanity

---
 plugins/devel/check-structures-sanity.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/devel/check-structures-sanity.cpp b/plugins/devel/check-structures-sanity.cpp
index c458a4564..9f1c3a346 100644
--- a/plugins/devel/check-structures-sanity.cpp
+++ b/plugins/devel/check-structures-sanity.cpp
@@ -148,8 +148,8 @@ static command_result command(color_ostream & out, std::vector<std::string> & pa
         using namespace DFHack::LuaWrapper;
 
         StackUnwinder unwinder(State);
-        Push(parameters.at(0));
         PushModulePublic(out, "utils", "df_expr_to_ref");
+        Push(parameters.at(0));
         if (!SafeCall(out, 1, 1))
         {
             return CR_FAILURE;
@@ -158,7 +158,9 @@ static command_result command(color_ostream & out, std::vector<std::string> & pa
         ToCheck ref;
         ref.path.push_back(parameters.at(0));
         ref.ptr = get_object_ref(State, -1);
-        ref.identity = get_object_identity(State, -1, "check-structures-sanity command argument", false, false);
+        lua_getfield(State, -1, "_type");
+        lua_getfield(State, -1, "_identity");
+        ref.identity = reinterpret_cast<type_identity *>(lua_touserdata(State, -1));
         if (!ref.identity)
         {
             return CR_FAILURE;