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So we have 'inherited' metatables now. But is it fast?

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ThePhD 2016-08-10 07:23:49 -04:00
parent 94a1898b37
commit 4aea285769
1 changed files with 8 additions and 2 deletions
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10
sol/usertype_metatable.hpp
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@ -193,6 +193,7 @@ namespace sol {
if (sizeof...(Bases) < 1) { if (sizeof...(Bases) < 1) {
return; return;
} }
mustindex = true;
(void)detail::swallow{ 0, ((detail::has_derived<Bases>::value = true), 0)... }; (void)detail::swallow{ 0, ((detail::has_derived<Bases>::value = true), 0)... };
static_assert(sizeof(void*) <= sizeof(detail::inheritance_check_function), "The size of this data pointer is too small to fit the inheritance checking function: file a bug report."); static_assert(sizeof(void*) <= sizeof(detail::inheritance_check_function), "The size of this data pointer is too small to fit the inheritance checking function: file a bug report.");
@ -297,16 +298,21 @@ namespace sol {
template <bool b, typename... Bases> template <bool b, typename... Bases>
static void walk_all_bases(lua_State* L, bool& found, int& ret, string_detail::string_shim& accessor) { static void walk_all_bases(lua_State* L, bool& found, int& ret, string_detail::string_shim& accessor) {
(void)L;
(void)found;
(void)ret;
(void)accessor;
(void)detail::swallow{ 0, (walk_single_base<b, Bases>(L, found, ret, accessor), 0)... }; (void)detail::swallow{ 0, (walk_single_base<b, Bases>(L, found, ret, accessor), 0)... };
} }
template <bool b, bool toplevel = false> template <bool b, bool toplevel = false>
static int core_indexing_call(lua_State* L) { static int core_indexing_call(lua_State* L) {
usertype_metatable& f = toplevel ? stack::get<light<usertype_metatable>>(L, upvalue_index(1)) : stack::pop<light<usertype_metatable>>(L); usertype_metatable& f = toplevel ? stack::get<light<usertype_metatable>>(L, upvalue_index(1)) : stack::pop<light<usertype_metatable>>(L);
if (toplevel && stack::get<type>(L, -1) != type::string) { static const int keyidx = -2 + static_cast<int>(b);
if (toplevel && stack::get<type>(L, keyidx) != type::string) {
return b ? f.indexfunc(L) : f.newindexfunc(L); return b ? f.indexfunc(L) : f.newindexfunc(L);
} }
string_detail::string_shim accessor = stack::get<string_detail::string_shim>(L, -1); string_detail::string_shim accessor = stack::get<string_detail::string_shim>(L, keyidx);
int ret = 0; int ret = 0;
bool found = false; bool found = false;
f.propogating_call<b>(L, found, ret, accessor); f.propogating_call<b>(L, found, ret, accessor);