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Lua API: Named tuples no longer all have the same __metatable

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Now the __metatable contains the list of member names.

This means that wesnoth.type won't treat named tuples with different members as the same thing – not evne if they're the same length. Which is probably a good thing!
This commit is contained in:
Celtic Minstrel 2024-09-07 20:29:14 -04:00 committed by Celtic Minstrel
parent 2a26a68025
commit 1b63da9974
1 changed files with 11 additions and 1 deletions
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12
src/scripting/lua_common.cpp
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@ -720,7 +720,17 @@ void luaW_push_namedtuple(lua_State* L, const std::vector<std::string>& names)
{ nullptr, nullptr }
};
luaL_setfuncs(L, callbacks, 0);
lua_pushliteral(L, "named tuple");
static const char baseName[] = "named tuple";
std::ostringstream str;
str << baseName << '(';
if(!names.empty()) {
str << names[0];
}
for(size_t i = 1; i < names.size(); i++) {
str << ", " << names[i];
}
str << ')';
lua_push(L, str.str());
lua_setfield(L, -2, "__metatable");
lua_push(L, names);
lua_setfield(L, -2, "__names");