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--
-- Copyright (C) 2015 - Garrett Regier
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Library General Public License as published by
-- the Free Software Foundation; either version 2 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 Library General Public License for more details.
--
-- You should have received a copy of the GNU Library General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor,
-- Boston, MA 02110-1301, USA.
--
-- Modified version of: http://metalua.luaforge.net/src/lib/strict.lua.html
__STRICT = true
local mt = getmetatable(_G)
if mt == nil then
mt = {}
setmetatable(_G, mt)
end
function mt:__newindex(name, value)
if __STRICT then
local what = debug.getinfo(2, 'S').what
if what ~= 'C' then
error("Attempted to create global variable '" ..
tostring(name) .. "'", 2)
end
end
rawset(self, name, value)
end
function mt:__index(name)
if not __STRICT or debug.getinfo(2, 'S').what == 'C' then
return rawget(self, name)
end
error("Attempted to access nonexistent " ..
"global variable '" .. tostring(name) .. "'", 2)
end
-- ex:ts=4:et:
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