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Warn if trying to deprecate a table whose metatable is masked

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Celtic Minstrel 2019-11-17 11:55:47 -05:00
parent cd7160e8f7
commit 12bb52fd4e
1 changed files with 5 additions and 0 deletions
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5
data/lua/core.lua
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@ -201,6 +201,11 @@ function wesnoth.deprecate_api(elem_name, replacement, level, version, elem, det
elseif type(elem) == "table" then
-- Don't clobber the old metatable.
local old_mt = getmetatable(elem) or {}
if type(old_mt) ~= "table" then
wesnoth.log('warn', "Attempted to deprecate a table with a masked metatable: " ..
elem_name .. " -> " .. replacement .. ", where getmetatable(" .. elem_name .. ") = " .. tostring(old_mt))
return elem
end
local mt = {}
for k,v in pairs(old_mt) do
mt[k] = old_mt[v]