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Make duplicate warning checks file and line specific

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This commit is contained in:
ShadowNinja 2014-11-23 16:30:14 -05:00
parent 0dcc4b251f
commit a1db83e93f
1 changed files with 12 additions and 6 deletions
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18
builtin/common/strict.lua
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@ -11,16 +11,21 @@ end
local meta = {}
local declared = {}
local alreadywarned = {}
-- Key is source file, line, and variable name; seperated by NULs
local warned = {}
function meta:__newindex(name, value)
local info = debug.getinfo(2, "Sl")
local desc = ("%s:%d"):format(info.short_src, info.currentline)
if not declared[name] then
if info.what ~= "main" and info.what ~= "C" then
warn(("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
minetest.log("error", ("Assignment to undeclared "..
"global %q inside a function at %s.")
:format(name, desc))
warned[warn_key] = true
end
declared[name] = true
end
@ -36,10 +41,11 @@ end
function meta:__index(name)
local info = debug.getinfo(2, "Sl")
if not declared[name] and info.what ~= "C" and not alreadywarned[name] then
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
warn(("Undeclared global variable %q accessed at %s:%s")
:format(name, info.short_src, info.currentline))
alreadywarned[name] = true
warned[warn_key] = true
end
return rawget(self, name)
end