File

tools/linedebug.lua @ 13033:a863e4237b91

util.set: Change tostring format to {a, b, c} Makes it easier to make out where the set starts and ends in cases where it may get embedded and tostring()-ed in a log message. { } taken over from util.array for consistency with some other systems syntax for Sets, e.g. Python
author Kim Alvefur <zash@zash.se>
date Thu, 06 Apr 2023 16:30:26 +0200
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");