flm01/openwrt/packages/flukso/src/dbg.lua

51 lines
1.2 KiB
Lua

--
-- dbg.lua: library for debugging with vardump in Lua
-- Lua Programming Gems Chapter 3
-- Vardump: The Power of Seeing What's Behind
-- Copyright 2008 by Tobias Sülzenbrück and Christoph Beckmann
--
-- $Id$
--
local getfenv, getmetatable, print, pairs, type, tostring = getfenv, getmetatable, print, pairs, type, tostring
module(...)
local modenv = getfenv() -- module environment
function vardump(value, depth, key)
local linePrefix = ""
local spaces = ""
if key ~= nil then
linePrefix = "["..key.."] = "
end
if depth == nil then
depth = 0
else
depth = depth + 1
for i = 1,depth do spaces = spaces.." " end
end
if type(value) == 'table' then
-- mTable = getmetatable(value)
-- if mTable == nil then
print(spaces..linePrefix.."(table) ")
-- else
-- print(spaces.."(metatable) ")
-- value = mTable
-- end
for tableKey, tableValue in pairs(value) do
vardump(tableValue, depth, tableKey)
end
elseif type(value) == 'function'
or type(value) == 'thread'
or type(value) == 'userdata'
or value == nil
then
print(spaces..tostring(value))
else
print(spaces..linePrefix.."("..type(value)..") "..tostring(value))
end
end