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errorhandler.lua
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errorhandler.lua
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local utf8 = require("utf8")
local function error_printer(msg, layer)
print((debug.traceback("Error: " .. tostring(msg), 1+(layer or 1)):gsub("\n[^\n]+$", "")))
end
function love.errorhandler(msg)
msg = tostring(msg)
error_printer(msg, 2)
if not love.window or not love.graphics or not love.event then
return
end
if not love.graphics.isCreated() or not love.window.isOpen() then
local success, status = pcall(love.window.setMode, 800, 600)
if not success or not status then
return
end
end
-- Reset state.
if love.mouse then
love.mouse.setVisible(true)
love.mouse.setGrabbed(false)
love.mouse.setRelativeMode(false)
if love.mouse.isCursorSupported() then
love.mouse.setCursor()
end
end
if love.joystick then
-- Stop all joystick vibrations.
for i,v in ipairs(love.joystick.getJoysticks()) do
v:setVibration()
end
end
if love.audio then love.audio.stop() end
love.graphics.reset()
local font = love.graphics.setNewFont(14)
love.graphics.setColor(1, 1, 1, 1)
local trace = debug.traceback()
love.graphics.origin()
local sanitizedmsg = {}
for char in msg:gmatch(utf8.charpattern) do
table.insert(sanitizedmsg, char)
end
sanitizedmsg = table.concat(sanitizedmsg)
local err = {}
table.insert(err, "Error\n")
table.insert(err, sanitizedmsg)
if #sanitizedmsg ~= #msg then
table.insert(err, "Invalid UTF-8 string in error message.")
end
table.insert(err, "\n")
for l in trace:gmatch("(.-)\n") do
if not l:match("boot.lua") then
l = l:gsub("stack traceback:", "Traceback\n")
table.insert(err, l)
end
end
local p = table.concat(err, "\n")
p = p:gsub("\t", "")
p = p:gsub("%[string \"(.-)\"%]", "%1")
local function draw()
local pos = 70
love.graphics.clear(89/255, 157/255, 220/255)
love.graphics.printf(p, pos, pos, love.graphics.getWidth() - pos)
love.graphics.present()
end
local fullErrorText = p
local function copyToClipboard()
if not love.system then return end
love.system.setClipboardText(fullErrorText)
p = p .. "\nCopied to clipboard!"
draw()
end
if love.system then
p = p .. "\n\nPress Ctrl+C or tap to copy this error"
end
return function()
love.event.pump()
for e, a, b, c in love.event.poll() do
if e == "quit" then
return 1
elseif e == "keypressed" and a == "escape" then
return 1
elseif e == "keypressed" and a == "c" and love.keyboard.isDown("lctrl", "rctrl") then
copyToClipboard()
elseif e == "touchpressed" then
local name = love.window.getTitle()
if #name == 0 or name == "Untitled" then name = "Game" end
local buttons = {"OK", "Cancel"}
if love.system then
buttons[3] = "Copy to clipboard"
end
local pressed = love.window.showMessageBox("Quit "..name.."?", "", buttons)
if pressed == 1 then
return 1
elseif pressed == 3 then
copyToClipboard()
end
end
end
draw()
if love.timer then
love.timer.sleep(0.1)
end
end
end