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--[[
Cratera Library
Copyright (C) 2024 Soni L.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
--]]
local cratera_env = _G
local cratera_loader_base = cratera_env.load
-- only use setfenv if lua load doesn't support env argument
local setfenv = (lua.loadstring or lua.load)("return setfenv", nil, nil, {})()
function cratera_env.load(chunk, chunkname, mode, env)
if env == nil then
env = cratera_env
end
local func, err = cratera_loader_base(chunk, chunkname, mode, env)
if setfenv and func and env then
setfenv(func, env)
end
-- arity adjustments
if func then
return func
else
return func, err
end
end
-- cratera opts not to support dostring/dofile.
if lua.dostring then
cratera_env.dostring = false
end
if lua.dofile then
cratera_env.dofile = false
end
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