diff options
| -rw-r--r-- | mesecons_luacontroller/init.lua | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua index 9fa995f..b99b6e4 100644 --- a/mesecons_luacontroller/init.lua +++ b/mesecons_luacontroller/init.lua @@ -127,7 +127,7 @@ end local code_prohibited = function(code) -- Clean code - local prohibited = {"while", "for", "repeat", "until", "function"} + local prohibited = {"while", "for", "repeat", "until", "function", "goto"} for _, p in ipairs(prohibited) do if string.find(code, p) then return "Prohibited command: "..p @@ -139,13 +139,18 @@ local safe_print = function(param) print(dump(param)) end -deep_copy = function(original) --deep copy that removes functions +deep_copy = function(original, visited) --deep copy that removes functions + visited = visited or {} + if visited[original] ~= nil then --already visited this node + return visited[original] + end if type(original) == 'table' then --nested table local copy = {} + visited[original] = copy for key, value in next, original, nil do - copy[deep_copy(key)] = deep_copy(value) + copy[deep_copy(key, visited)] = deep_copy(value, visited) end - setmetatable(copy, deep_copy(getmetatable(original))) + setmetatable(copy, deep_copy(getmetatable(original), visited)) return copy elseif type(original) == 'function' then --ignore functions return nil |