syntax_test.pine

// SYNTAX TEST "Packages/Pine/Pine.sublime-syntax"

    // x
//  ^^^^ comment

study("Ichimoku", overlay=true, precision=8)
// ^ support.function
//    ^^^^^^^^^^ string.quoted.double
//                ^^^^^^^ variable.parameter
//                       ^ keyword.operator.assignment
//                        ^^^^ constant.language
//                              ^^^^^^^^^ variable.parameter
//                                       ^ keyword.operator.assignment
//                                        ^ constant.numeric

// Tenkan Sen       Turning Line        (highest high + lowest low)/2 for the last 9 periods
// Kijun Sen        Standard Line       (highest high + lowest low)/2 for the past 26 periods
// Chikou Span      Lagging Line        current closing price time-shifted backwards (into the past) 26 periods
// Senkou Span A    1st Leading Line    (tenkan sen + kijun sen)/2 time-shifted forwards (into the future) 26 periods
// Senkou Span B    2nd Leading Line    (highest high + lowest low)/2 for 52 periods time-shifted forwards (into the future) 26 periods

// Options
tenkan_sen_periods = input(9, minval=1, title="Tenkan Sen Periods (Turning Line)")
// ^^^^^^^^^^^^^^^ variable
//                 ^ keyword.operator.assignment
//                   ^^^^^ support.function
//                         ^ constant.numeric
//                            ^^^^^^ variable.parameter
//                                  ^ keyword.operator.assignment
//                                   ^ constant.numeric
//                                      ^^^^^ variable.parameter
//                                           ^ keyword.operator.assignment
//                                            ^^^ string
kijun_sen_periods = input(26, minval=1, title="Kijun Sen Periods (Standard Line)")
senkou_span_b_periods = input(52, minval=1, title="Senkou Span B Periods (2nd Leading Line)")
displacement_periods = input(26, minval=1, title="Displacement Periods (Time Shift)")

// Functions
// Donchian Channel
// highest high and the lowest low of the last n periods
// https://en.wikipedia.org/wiki/Donchian_channel
donchian(len) => avg(lowest(len), highest(len))
// ^^^^^ support.function
//            ^^ keyword.operator
//               ^^^ support.function
//                   ^^^^^^ support.function
//                                ^^^^^^^ support.function

// Calculations
tenkan_sen = donchian(tenkan_sen_periods)
// ^ variable.parameter
//         ^ keyword.operator.assignment
//           ^ support.function
kijun_sen = donchian(kijun_sen_periods)
senkou_span_a = avg(tenkan_sen, kijun_sen)
senkou_span_b = donchian(senkou_span_b_periods)

study('Ichimoku')
//    ^^^^^^^^^^ string.quoted.single

// Plot Tenkan Sen
plot(tenkan_sen, title="Tenkan Sen (Turning Line)", color=#00FF00, transp=0)
//                                                  ^^^^^ variable.parameter
//                                                       ^ keyword.operator.assignment
//                                                        ^^^^^^^ support.constant

// Kijun Sen
plot(kijun_sen, title="Kijun Sen (Standard Line)", color=#FF0000, transp=0)

// Chikou Span
plot(close, offset = -displacement_periods, title="Chikou Span (Lagging Line)", color=#FF00FF, transp=0)
//   ^^^^^ constant.language

// Plot Senkou Span A
senkou_span_a_plot = plot(senkou_span_a, offset=displacement_periods, color=#FFFFFF, title="Senkou Span A (1st Leading Line)", transp=0)

// Plot Senkou Span B
senkou_span_b_plot = plot(senkou_span_b, offset=displacement_periods, color=#FFFF00, title="Senkou Span B (2nd Leading Line)", transp=0)

// Plot Bullish Kumo colour (if bullish)
is_bullish_kumo = senkou_span_a >= senkou_span_b
//                              ^^ keyword.operator.comparison
bullish_kumo_senkou_span_a = plot(is_bullish_kumo ? senkou_span_a : na, editable=false, transp=100, style=areabr, offset=displacement_periods, color=#FFFFFF)
//                                                ^ keyword.operator.ternary
//                                                                ^ keyword.operator
//                                                                  ^^ constant.language
//                                                                              ^ keyword.operator.assignment
//                                                                               ^^^^^ constant.language
//                                                                                            ^ keyword.operator.assignment
//                                                                                             ^^^ constant.numeric
bullish_kumo_senkou_span_b = plot(is_bullish_kumo ? senkou_span_b : na, editable=false, transp=100, style=areabr, offset=displacement_periods, color=#FFFF00)
fill(bullish_kumo_senkou_span_a, bullish_kumo_senkou_span_b, color=#FFFF00, transp=70, title="Bullish Kumo (Cloud)")
// ^ support.function

// Plot Bearish Kumo colour (if bearish)
is_bearish_kumo = senkou_span_a <= senkou_span_b
bearish_kumo_senkou_span_a = plot(is_bearish_kumo ? senkou_span_a : na, editable=false, transp=100, style=areabr, offset=displacement_periods, color=#FFFFFF)
bearish_kumo_senkou_span_b = plot(is_bearish_kumo ? senkou_span_b : na, editable=false, transp=100, style=areabr, offset=displacement_periods, color=#FFFF00)
fill(bearish_kumo_senkou_span_b, bearish_kumo_senkou_span_a, color=#FF0000, transp=70, title="Bearish Kumo (Cloud)")

is_day_equal_to(day) => dayofweek == day and close ? 1 : 0
// ^^^^^^^^^^^^ support.function
//                   ^^ keyword.operator
//                      ^^^^^^^^^ constant.language
//                                ^^ keyword.operator.comparison
//                                       ^^^ keyword.operator.logical
//                                           ^^^^^ constant.language
//                                                 ^ keyword.operator.ternary
//                                                   ^ constant.numeric
//                                                     ^ keyword.operator
//                                                       ^ constant.numeric

is_mon = is_day_equal_to(dayofweek.monday)
// ^ variable
//     ^ keyword.operator.assignment
//                       ^^^^^^^^^ constant.language
is_tue = is_day_equal_to(dayofweek.tuesday)
//                       ^^^^^^^^^ constant.language
is_wed = is_day_equal_to(dayofweek.wednesday)
//                       ^^^^^^^^^ constant.language
is_thu = is_day_equal_to(dayofweek.thursday)
//                       ^^^^^^^^^ constant.language
is_fri = is_day_equal_to(dayofweek.friday)
//                       ^^^^^^^^^ constant.language
is_sat = is_day_equal_to(dayofweek.saturday)
//                       ^^^^^^^^^ constant.language
is_sun = is_day_equal_to(dayofweek.sunday)
//                       ^^^^^^^^^ constant.language

plotchar(display_mon, char="M", color=color.white, location=location.bottom)
// ^ support.function
//                                    ^^^^^^^^^^^ constant.language
//                                                          ^^^^^^^^^^^^^^^ constant.language

m_kijun_sen = security(tickerid, "1M", avg(lowest(26), highest(26)))
//            ^^^^^^^^ support.function
//                                     ^^^ support.function
//                                         ^^^^^^ support.function
//                                                ^^ constant.numeric
//                                                     ^^^^^^^ support.function
//                                                             ^^ constant.numeric

is_pivot_low = low[5] < low[6] and low[5] < low[7] and low[5] < low[8] and low[5] < low[9] and low[5] < low[4] and low[5] < low[3] and low[5] < low[2] and low[5] < low[1]
//             ^^^ constant.language
//                ^ -constant
//                 ^ constant.numeric
//                  ^ -constant


fast = 12, slow = 26
fastMA = ema(close, fast)
//       ^^^ support.function
//           ^^^^^ constant.language
slowMA = ema(close, slow)
macd = fastMA - slowMA
signal = sma(macd, 9)
plot(macd, color=color.blue)
//               ^^^^^^^^^^ constant.language
plot(signal, color=color.orange)
//                 ^^^^^^^^^^^^ constant.language

// https://github.com/gerardroche/sublime-pine/issues/9
backtest_safety = bb_bands_diff
//                         ^^^^ -keyword