--- /dev/null
+/* Copyright (c) 2010-2017. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+/* SimGrid Lua helper functions */
+
+#ifndef LUA_UTILS_HPP
+#define LUA_UTILS_HPP
+
+extern "C" {
+
+#include <lua.h>
+
+/**
+ * @brief A chunk of memory.
+ *
+ * This structure is used as the userdata parameter of lua_Writer.
+ */
+typedef struct s_sglua_buffer {
+ char* data;
+ size_t size;
+ size_t capacity;
+} s_sglua_buffer_t, *sglua_buffer_t;
+
+const char* sglua_tostring(lua_State* L, int index);
+const char* sglua_keyvalue_tostring(lua_State* L, int key_index, int value_index);
+void sglua_stack_dump(lua_State* L, const char *msg);
+static int sglua_dump_table(lua_State* L);
+void* sglua_checkudata_debug(lua_State* L, int ud, const char* tname);
+const char* sglua_get_spaces(int length);
+int sglua_memory_writer(lua_State* L, const void* source, size_t size, void* userdata);
+
+}
+
+#endif
