From fb793944e4d7374637e81f56555140cc414150c7 Mon Sep 17 00:00:00 2001
From: Bart van Strien <bart.bes+projects@gmail.com>
Date: Thu, 3 May 2018 20:04:16 +0200
Subject: [PATCH] Restore lua 5.2/5.3 compatibility (fixes #1408)

---
 src/common/runtime.cpp | 9 +++++++++
 src/common/runtime.h   | 5 +++++
 src/love.cpp           | 3 ++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/common/runtime.cpp b/src/common/runtime.cpp
index 23d0e9867..e3415e1cc 100644
--- a/src/common/runtime.cpp
+++ b/src/common/runtime.cpp
@@ -879,4 +879,13 @@ Type *luax_type(lua_State *L, int idx)
 	return Type::byName(luaL_checkstring(L, idx));
 }
 
+int luax_resume(lua_State *L, int nargs)
+{
+#if LUA_VERSION_NUM >= 502
+	return lua_resume(L, nullptr, nargs);
+#else
+	return lua_resume(L, nargs);
+#endif
+}
+
 } // love
diff --git a/src/common/runtime.h b/src/common/runtime.h
index eee50cc16..562ac3cdf 100644
--- a/src/common/runtime.h
+++ b/src/common/runtime.h
@@ -676,6 +676,11 @@ int luax_catchexcept(lua_State *L, const T& func, const F& finallyfunc)
 	return 0;
 }
 
+/**
+ * Compatibility shim for lua_resume
+ **/
+int luax_resume(lua_State *L, int nargs);
+
 } // love
 
 #endif // LOVE_RUNTIME_H
diff --git a/src/love.cpp b/src/love.cpp
index a4a2444c6..913d8b133 100644
--- a/src/love.cpp
+++ b/src/love.cpp
@@ -19,6 +19,7 @@
  **/
 
 #include "common/version.h"
+#include "common/runtime.h"
 #include "modules/love/love.h"
 #include <SDL.h>
 
@@ -214,7 +215,7 @@ static DoneAction runlove(int argc, char **argv, int &retval)
 	lua_newthread(L);
 	lua_pushvalue(L, -2);
 	int stackpos = lua_gettop(L);
-	while (lua_resume(L, 0) == LUA_YIELD)
+	while (love::luax_resume(L, 0) == LUA_YIELD)
 		lua_pop(L, lua_gettop(L) - stackpos);
 
 	retval = 0;