Method LookupTypeInfo

library/LuaWrapper.cpp:111–133

* Look up the key on the stack in DFHACK_TYPETABLE; * if found, put result on the stack and return true. */

 * if found, put result on the stack and return true.
 */
bool LuaWrapper::LookupTypeInfo(lua_State *state, bool in_method)
{
    // stack: [lookup key]

    if (in_method)
    {
        lua_rawget(state, UPVAL_TYPETABLE);
    }
    else
    {
        LookupInTable(state, &DFHACK_TYPETABLE_TOKEN);
    }

    // stack: [info]

    if (lua_isnil(state, -1))
    {
        lua_pop(state, 1);
        return false;
    }
    else
        return true;
}

void LuaWrapper::LookupInTable(lua_State *state, const void *id, LuaToken *tname)
{