Thinking in Pine - Tricks and Tips of Debugging Education

length = input.int(14, 'Length') multiplier = input.float(4, 'Multiplier') var dir = 1 var stopDistance = ta.atr(length) * multiplier // Remove var to fix the first issue // stopDistance = ta.atr(length) * multiplier buyStopCurrent = close-stopDistance sellStopCurrent = close + stopDistance var buyStop = buyStopCurrent var sellStop = sellStopCurrent buyStop := dir > 0? math.max(buyStop, buyStopCurrent) : buyStopCurrent sellStop := dir < 0? math.min(sellStop, sellStopCurrent) : sellStopCurrent // Use nz to overcome na issues with math.max/ math.min // buyStop := dir > 0? math.max(nz(buyStop, buyStopCurrent), buyStopCurrent) : buyStopCurrent // sellStop := dir < 0? math.min(nz(sellStop, sellStopCurrent), sellStopCurrent) : sellStopCurrent dir := dir == 1 and close < buyStop? -1 : dir == -1 and close > sellStop ? 1 : dir // Plot statements used for debugging. display is set to display.data_window as the debugging plots do not need to appear on the charts plot(stopDistance, 'Stop Distance', color.purple, display = display.data_window) plot(buyStopCurrent, 'buyStopCurrent', color.red, display = display.data_window) plot(sellStopCurrent, 'sellStopCurrent', color.green, display = display.data_window) plot(buyStop, 'buyStop', color.red, display = display.data_window) plot(sellStop, 'sellStop', color.green, display = display.data_window) plot(dir, 'Direction', color.white, display = display.data_window) plot(dir > 0? buyStop : sellStop, 'Supertrend', dir > 0? color.red : color.green)

sum = 0 arr = array.new<float>() for i = 0 to 10 sum+=i // Log on every bar and also on every tick on real time // log.info('Sum at iteration {0} is {1}', i, sum) // Run only for the first bar // if(barstate.isfirst) // log.info('Sum at iteration {0} is {1}', i, sum) // Run on the last confirmed bar // if(barstate.islastconfirmedhistory) // log.warning('Sum at iteration {0} is {1}', i, sum) // if(barstate.isrealtime) // log.warning('Sum at iteration {0} is {1}', i, sum) // Display only once // varip showLog = true // if(barstate.isrealtime and showLog) // log.warning('Sum at iteration {0} is {1}', i, sum) // if (i == 10) // showLog := false // Extract through the array and log outside the loop arr.push(sum) // Log the extracted array on real time and print only once varip showLog = true if(barstate.isrealtime and showLog) log.error('Sum at different iterations : {0}', arr) showLog := false plot(sum)