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util.envload: Remove Lua 5.1 method

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Part of #1600

Is this module even needed anymore?
This commit is contained in:
Kim Alvefur 2022-07-05 14:18:32 +02:00
parent dff4beae02
commit bcc6efb2aa
1 changed files with 10 additions and 29 deletions
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39
util/envload.lua
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@ -6,38 +6,19 @@
--
-- luacheck: ignore 113/setfenv 113/loadstring
local load, loadstring, setfenv = load, loadstring, setfenv;
local load = load;
local io_open = io.open;
local envload;
local envloadfile;
if setfenv then
function envload(code, source, env)
local f, err = loadstring(code, source);
if f and env then setfenv(f, env); end
return f, err;
end
local function envload(code, source, env)
return load(code, source, nil, env);
end
function envloadfile(file, env)
local fh, err, errno = io_open(file);
if not fh then return fh, err, errno; end
local f, err = load(function () return fh:read(2048); end, "@"..file);
fh:close();
if f and env then setfenv(f, env); end
return f, err;
end
else
function envload(code, source, env)
return load(code, source, nil, env);
end
function envloadfile(file, env)
local fh, err, errno = io_open(file);
if not fh then return fh, err, errno; end
local f, err = load(fh:lines(2048), "@"..file, nil, env);
fh:close();
return f, err;
end
local function envloadfile(file, env)
local fh, err, errno = io_open(file);
if not fh then return fh, err, errno; end
local f, err = load(fh:lines(2048), "@" .. file, nil, env);
fh:close();
return f, err;
end
return { envload = envload, envloadfile = envloadfile };