Formatting and a few new constants.

sol/coroutine.hpp

@@ -32,21 +32,21 @@ class coroutine : public reference {
 private:
     call_status stats = call_status::yielded;
 
-    void luacall( std::ptrdiff_t argcount, std::ptrdiff_t ) {
-#if SOL_LUA_VERSION < 503
+    void luacall(std::ptrdiff_t argcount, std::ptrdiff_t) {
+#if SOL_LUA_VERSION < 502
         stats = static_cast<call_status>(lua_resume(lua_state(), static_cast<int>(argcount)));
 #else
         stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount)));
-#endif // Lua 5.3
+#endif // Lua 5.1 compat
     }
 
     template<std::size_t... I, typename... Ret>
     auto invoke( types<Ret...>, std::index_sequence<I...>, std::ptrdiff_t n ) {
         luacall(n, sizeof...(Ret));
-	   int stacksize = lua_gettop(lua_state());
-	   int firstreturn = std::max(1, stacksize - static_cast<int>(sizeof...(Ret)) + 1);
-	   auto r = stack::get<std::tuple<Ret...>>(lua_state(), firstreturn);
-	   lua_pop(lua_state(), static_cast<int>(sizeof...(Ret)));
+        int stacksize = lua_gettop(lua_state());
+        int firstreturn = std::max(1, stacksize - static_cast<int>(sizeof...(Ret)) + 1);
+        auto r = stack::get<std::tuple<Ret...>>(lua_state(), firstreturn);
+        lua_pop(lua_state(), static_cast<int>(sizeof...(Ret)));
         return r;
     }
 
@@ -106,7 +106,7 @@ public:
 
     template<typename... Ret, typename... Args>
     decltype(auto) call( Args&&... args ) {
-	   push();
+        push();
         int pushcount = stack::push_args( lua_state(), std::forward<Args>( args )... );
         return invoke( lua_state(), types<Ret...>( ), std::index_sequence_for<Ret...>(), pushcount );
     }

sol/reference.hpp

@@ -61,8 +61,8 @@ private:
 
 protected:
     reference(lua_State* L, detail::global_tag) : L(L) {
-	    lua_pushglobaltable(L);
-	    ref = luaL_ref(L, LUA_REGISTRYINDEX);
+        lua_pushglobaltable(L);
+        ref = luaL_ref(L, LUA_REGISTRYINDEX);
     }
 
 public:
@@ -124,7 +124,7 @@ public:
     }
 
     explicit operator bool () const {
-	    return valid();
+        return valid();
     }
 
     type get_type() const {

sol/state.hpp

@@ -32,7 +32,7 @@ public:
     state(lua_CFunction panic = detail::atpanic) : unique_base(luaL_newstate(), lua_close),
     state_view(unique_base::get()) {
         set_panic(panic);
-	   sol::stack::luajit_exception_handler(unique_base::get());
+        sol::stack::luajit_exception_handler(unique_base::get());
     }
 
     using state_view::get;

sol/table_core.hpp

@@ -41,7 +41,7 @@ class table_core : public reference {
     -> decltype(stack::pop<std::tuple<Ret...>>(nullptr)){
         auto pp = stack::push_pop<is_global<decltype(std::get<I>(keys))...>::value>(*this);
         int tableindex = lua_gettop(lua_state());
-	   void(detail::swallow{ ( stack::get_field<top_level>(lua_state(), std::get<I>(keys), tableindex), 0)... });
+        void(detail::swallow{ ( stack::get_field<top_level>(lua_state(), std::get<I>(keys), tableindex), 0)... });
         return stack::pop<std::tuple<Ret...>>( lua_state() );
     }
 
@@ -55,7 +55,7 @@ class table_core : public reference {
     template<typename Pairs, std::size_t... I>
     void tuple_set( std::index_sequence<I...>, Pairs&& pairs ) {
         auto pp = stack::push_pop<is_global<decltype(std::get<I * 2>(pairs))...>::value>(*this);
-	   void(detail::swallow{ (stack::set_field<top_level>(lua_state(), std::get<I * 2>(pairs), std::get<I * 2 + 1>(pairs)), 0)... });
+        void(detail::swallow{ (stack::set_field<top_level>(lua_state(), std::get<I * 2>(pairs), std::get<I * 2 + 1>(pairs)), 0)... });
     }
 
     template <bool global, typename T, typename Key>

sol/thread.hpp

@@ -37,17 +37,17 @@ public:
     lua_State* thread_state () const {
         auto pp = stack::push_pop(*this);
         lua_State* lthread = lua_tothread(lua_state(), -1);
-	   return lthread;
+        return lthread;
     }
 
     thread_status status () const {
         lua_State* lthread = thread_state();
         thread_status lstat = static_cast<thread_status>(lua_status(lthread));
-	   if (lstat != thread_status::normal && lua_gettop(lthread) == 0) {
+        if (lstat != thread_status::normal && lua_gettop(lthread) == 0) {
             // No thing on the thread's stack means its dead
-		  return thread_status::dead;
-	   }
-	   return lstat;
+            return thread_status::dead;
+        }
+        return lstat;
     }
 
     static thread create (lua_State* L) {

sol/types.hpp

@@ -77,13 +77,13 @@ enum class call_status : int {
 };
 
 enum class thread_status : int {
-	normal        = LUA_OK,
-	yielded       = LUA_YIELD,
-	error_runtime = LUA_ERRRUN,
-	error_memory  = LUA_ERRMEM,
-	error_gc      = LUA_ERRGCMM,
-	error_handler = LUA_ERRERR,
-	dead,
+    normal        = LUA_OK,
+    yielded       = LUA_YIELD,
+    error_runtime = LUA_ERRRUN,
+    error_memory  = LUA_ERRMEM,
+    error_gc      = LUA_ERRGCMM,
+    error_handler = LUA_ERRERR,
+    dead,
 };
 
 enum class type : int {