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-rw-r--r--test/trace-globals.lua38
1 files changed, 0 insertions, 38 deletions
diff --git a/test/trace-globals.lua b/test/trace-globals.lua
deleted file mode 100644
index 295e670..0000000
--- a/test/trace-globals.lua
+++ /dev/null
@@ -1,38 +0,0 @@
--- 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)