debug.getinfo()

#!/usr/bin/env lua

debug.debug()

で、

lua_debug> print(debug.getinfo(math.abs))
table: 0x8050a40
lua_debug> table.foreach(debug.getinfo(math.abs), function(k,v) print(k,v); return nil; end)
source  =[C]
what    C
func    function: 0x804f5f0
short_src       [C]
currentline     -1
namewhat
linedefined     -1
nups    0
lua_debug> function foo() print("foo"); end
lua_debug> table.foreach(debug.getinfo(foo), function(k,v) print(k,v); return nil; end)
source  function foo() print("foo"); end

what    Lua
func    function: 0x804c5b0
name    foo
nups    0
currentline     -1
namewhat        global
linedefined     1
short_src       [string "function foo() print("foo"); end..."]

Lua 5.0.2  Copyright (C) 1994-2004 Tecgraf, PUC-Rio
> table.foreach(debug.getinfo(math.abs), function(k,v) print(k,v); return nil; end)
source  =[C]
what    C
func    function: 0x804f5f0
short_src       [C]
currentline     -1
namewhat
linedefined     -1
nups    0
> function foo() print("foo"); end
> table.foreach(debug.getinfo(foo), function(k,v) print(k,v); return nil; end)
source  =stdin
what    Lua
func    function: 0x805b5c8
name    foo
nups    0
currentline     -1
namewhat        global
linedefined     1
short_src       stdin
> print(debug.getinfo(1,"n").name)
nil
> print(debug.getinfo(math.abs).source)
=[C]
> table.foreach(debug.getinfo(print), function(k,v) print(k,v); return nil; end)source  =[C]
what    C
func    function: 0x804d218
name    print
nups    0
currentline     -1
namewhat        global
linedefined     -1
short_src       [C]