summaryrefslogtreecommitdiff
path: root/source3/lua-5.1.4/test/trace-globals.lua
diff options
context:
space:
mode:
authorVolker Lendecke <vl@samba.org>2008-09-19 08:01:23 +0200
committerVolker Lendecke <vl@samba.org>2008-12-17 12:57:18 +0100
commit390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47 (patch)
tree9f9506e36222640d23b086d62b32de940c526a98 /source3/lua-5.1.4/test/trace-globals.lua
parent081f8883bafc11ca7c08f868ec19f1ea32071837 (diff)
downloadsamba-390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47.tar.gz
samba-390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47.tar.bz2
samba-390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47.zip
Add the Lua distibution from http://www.lua.org/ftp/lua-5.1.4.tar.gz
Available under the MIT license. Adding it to see how the build farm likes it. They claim to be 100% pure ANSI C and compile everywhere. Lets see. If it breaks badly, we can remove it again.
Diffstat (limited to 'source3/lua-5.1.4/test/trace-globals.lua')
-rw-r--r--source3/lua-5.1.4/test/trace-globals.lua38
1 files changed, 38 insertions, 0 deletions
diff --git a/source3/lua-5.1.4/test/trace-globals.lua b/source3/lua-5.1.4/test/trace-globals.lua
new file mode 100644
index 0000000000..295e670caa
--- /dev/null
+++ b/source3/lua-5.1.4/test/trace-globals.lua
@@ -0,0 +1,38 @@
+-- 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)