prosody
46c05c2e34f7
tools/linedebug.lua

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Software / code / prosody

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tools/linedebug.lua @ 13015:46c05c2e34f7

moduleapi: Add module:once() to execute a function after module load/startup It is a common pattern for modules to do something like check for prosody.start_time, and execute code immediately if it is present, or wait for the server-started event if it isn't yet. For example, this allows you to run code after all other modules/hosts have been loaded, that are going to be loaded. Such code can now be replaced with a simple call to this method.
author Matthew Wild <mwild1@gmail.com>
date Sat, 01 Apr 2023 11:59:50 +0100
parent 11193:5850d24a4ad3
line wrap: on
line source

local data = {}
local getinfo = debug.getinfo;
local function linehook(ev, li)
	local S = getinfo(2, "S");
	if S and S.source and S.source:match"^@" then
		local file = S.source:sub(2);
		local lines = data[file];
		if not lines then
			lines = {};
			data[file] = lines;
			for line in io.lines(file) do
				lines[#lines+1] = line;
			end
		end
		io.stderr:write(ev, " ", file, " ", li, " ", lines[li], "\n");
	end
end
debug.sethook(linehook, "l");