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Optimize strict.lua (#12495) 

Co-authored-by: sfan5 <sfan5@live.de>
master
Lars Müller 2022-07-02 20:58:15 +02:00 committed by GitHub
parent 9ac3b52fdc
commit 3e308584a3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 13 deletions
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26
builtin/common/strict.lua
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@ -1,4 +1,4 @@
local getinfo = debug.getinfo
local getinfo, rawget, rawset = debug.getinfo, rawget, rawset
function core.global_exists(name)
if type(name) ~= "string" then
@ -14,33 +14,33 @@ local declared = {}
local warned = {}
function meta:__newindex(name, value)
if declared[name] then
return
end
local info = getinfo(2, "Sl")
local desc = ("%s:%d"):format(info.short_src, info.currentline)
if not declared[name] then
local warn_key = ("%s\0%d\0%s"):format(info.source,
info.currentline, name)
if not warned[warn_key] and info.what ~= "main" and
info.what ~= "C" then
core.log("warning", ("Assignment to undeclared "..
"global %q inside a function at %s.")
local warn_key = ("%s\0%d\0%s"):format(info.source, info.currentline, name)
if not warned[warn_key] and info.what ~= "main" and info.what ~= "C" then
core.log("warning", ("Assignment to undeclared global %q inside a function at %s.")
:format(name, desc))
warned[warn_key] = true
end
declared[name] = true
warned[warn_key] = true
end
rawset(self, name, value)
declared[name] = true
end
function meta:__index(name)
if declared[name] then
return
end
local info = getinfo(2, "Sl")
local warn_key = ("%s\0%d\0%s"):format(info.source, info.currentline, name)
if not declared[name] and not warned[warn_key] and info.what ~= "C" then
if not warned[warn_key] and info.what ~= "C" then
core.log("warning", ("Undeclared global variable %q accessed at %s:%s")
:format(name, info.short_src, info.currentline))
warned[warn_key] = true
end
return rawget(self, name)
end
setmetatable(_G, meta)