mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-11-29 12:03:51 +00:00
38 lines
728 B
Lua
38 lines
728 B
Lua
-- trace assigments to global variables
|
|
|
|
do
|
|
-- a tostring that quotes strings. note the use of the original tostring.
|
|
local _tostring=tostring
|
|
local tostring=function(a)
|
|
if type(a)=="string" then
|
|
return string.format("%q",a)
|
|
else
|
|
return _tostring(a)
|
|
end
|
|
end
|
|
|
|
local log=function (name,old,new)
|
|
local t=debug.getinfo(3,"Sl")
|
|
local line=t.currentline
|
|
io.write(t.short_src)
|
|
if line>=0 then io.write(":",line) end
|
|
io.write(": ",name," is now ",tostring(new)," (was ",tostring(old),")","\n")
|
|
end
|
|
|
|
local g={}
|
|
local set=function (t,name,value)
|
|
log(name,g[name],value)
|
|
g[name]=value
|
|
end
|
|
setmetatable(getfenv(),{__index=g,__newindex=set})
|
|
end
|
|
|
|
-- an example
|
|
|
|
a=1
|
|
b=2
|
|
a=10
|
|
b=20
|
|
b=nil
|
|
b=200
|
|
print(a,b,c)
|