Add lua as an internal library in libs/lua

1 files changed, 13 insertions, 0 deletions

diff --git a/libs/lua/test/globals.lua b/libs/lua/test/globals.lua
new file mode 100644
index 0000000..d4c20e1
--- /dev/null
+++ b/libs/lua/test/globals.lua
@@ -0,0 +1,13 @@
+-- reads luac listings and reports global variable usage
+-- lines where a global is written to are marked with "*"
+-- typical usage: luac -p -l file.lua | lua globals.lua | sort | lua table.lua
+
+while 1 do
+ local s=io.read()
+ if s==nil then break end
+ local ok,_,l,op,g=string.find(s,"%[%-?(%d*)%]%s*([GS])ETGLOBAL.-;%s+(.*)$")
+ if ok then
+  if op=="S" then op="*" else op="" end
+  io.write(g,"\t",l,op,"\n")
+ end
+end