mirror of
https://github.com/Doodle3D/doodle3d-firmware.git
synced 2024-11-04 21:53:24 +01:00
52 lines
1.6 KiB
Lua
52 lines
1.6 KiB
Lua
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local M = {}
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local logLevel, logVerbose, logStream
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M.LEVEL = {"debug", "info", "warn", "error", "fatal"}
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--M.LEVEL already has idx=>name entries, now create name=>idx entries
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for i,v in ipairs(M.LEVEL) do
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M.LEVEL[v] = i
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end
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function M:init(level, verbose, stream)
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logLevel = level or M.LEVEL.warn
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logVerbose = verbose or false
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logStream = stream or io.stdout
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end
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local function log(level, msg, verbose)
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if level >= logLevel then
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local now = os.date("%m-%d %H:%M:%S")
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local i = debug.getinfo(3) --the stack frame just above the logger call
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local v = verbose
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if v == nil then v = logVerbose end
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local name = i.name or "(nil)"
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local vVal = "nil"
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local m = (type(msg) == "string") and msg or M:dump(msg)
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if v then logStream:write(now .. " (" .. M.LEVEL[level] .. ") \t" .. m .. " [" .. name .. "@" .. i.short_src .. ":" .. i.linedefined .. "]\n")
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else logStream:write(now .. " (" .. M.LEVEL[level] .. ") \t" .. m .. "\n") end
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end
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end
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function M:dump(o)
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if type(o) == 'table' then
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local s = '{ '
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for k,v in pairs(o) do
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if type(k) ~= 'number' then k = '"'..k..'"' end
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s = s .. '['..k..'] = ' .. M:dump(v) .. ','
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end
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return s .. '} '
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else
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return tostring(o)
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end
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end
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function M:debug(msg, verbose) log(M.LEVEL.debug, msg, verbose); return true end
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function M:info(msg, verbose) log(M.LEVEL.info, msg, verbose); return true end
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function M:warn(msg, verbose) log(M.LEVEL.warn, msg, verbose); return true end
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function M:error(msg, verbose) log(M.LEVEL.error, msg, verbose); return false end
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function M:fatal(msg, verbose) log(M.LEVEL.fatal, msg, verbose); return false end
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return M
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