正在努力查找此代码中的问题？松文

我已经连续8个小时没有编写代码的经验了，但我发现很难识别这个错误，如果有人能帮我，我真的很感激。谢谢大家

不匹配的输入“）”应为“行尾无行延续”。

//@version=4
study(title="TMA Overlay", shorttitle="TMA Overlay", overlay=true)
// ### Four Smoothed Moving Averages

len1 = 21
//input(21, minval=1, title="Length 1", group = "Smoothed MA Inputs")
src1 = close
//input(close, title="Source 1", group = "Smoothed MA Inputs")
smma1 = 0.0
sma_1 = sma(src1, len1)
smma1 := na(smma1[1]) ? sma_1 : (smma1[1] * (len1 - 1) + src1) / len1
plot(smma1, color=color.white, linewidth=2, title="21 SMMA")

len2 = 50
//input(50, minval=1, title="Length 2", group = "Smoothed MA Inputs")
src2 = close
//input(close, title="Source 2", group = "Smoothed MA Inputs")
smma2 = 0.0
sma_2 = sma(src2, len2)
smma2 := na(smma2[1]) ? sma_2 : (smma2[1] * (len2 - 1) + src2) / len2
plot(smma2, color=color.new(#6aff00,0), linewidth=2, title="50 SMMA")

h100 = input(title="Show 100 Line", type=input.bool, defval=true, group = "Smoothed MA Inputs")
len3 = 100
//input(100, minval=1, title="Length 3", group = "Smoothed MA Inputs")
src3 = close
//input(close, title="Source 3", group = "Smoothed MA Inputs")
smma3 = 0.0
sma_3 = sma(src3, len3)
smma3 := na(smma3[1]) ? sma_3 : (smma3[1] * (len3 - 1) + src3) / len3
sma3plot = plot(h100 ? smma3 : na, color=color.new(color.yellow,0), linewidth=2, title="100 SMMA")

len4 = 200
//input(200, minval=1, title="Length 4", group = "Smoothed MA Inputs")
src4 = close
//input(close, title="Source 4", group = "Smoothed MA Inputs")
smma4 = 0.0
sma_4 = sma(src4, len4)
smma4 := na(smma4[1]) ? sma_4 : (smma4[1] * (len4 - 1) + src4) / len4
sma4plot = plot(smma4, color=color.new(#ff0500,0), linewidth=2, title="200 SMMA")

// Trend Fill

trendFill = input(title="Show Trend Fill", type=input.bool, defval=true, group = "Smoothed MA Inputs") 
ema2 = ema(close, 2)
ema2plot = plot(ema2, color=#2ecc71, transp=100, style=plot.style_line, linewidth=1, title="EMA(2)", editable = false)

fill(ema2plot, sma4plot, color=ema2 > smma4 and trendFill ? color.green : ema2 < smma4 and trendFill ? color.red : na, transp=85, title = "Trend Fill")

alertcondition(bullishEngulfing != na, title = "Bullish Engulfing",) message = "[CurrencyPair] [TimeFrame], Bullish candle engulfing previous candle")
alertcondition(bearishEngulfing != na, title = "Bearish Engulfing", message = "[CurrencyPair] [TimeFrame], Bearish candle engulfing previous candle")

// ### 3 Line Strike

bearS = input(title="Show Bearish 3 Line Strike", type=input.bool, defval=true, group = "3 Line Strike")
bullS = input(title="Show Bullish 3 Line Strike", type=input.bool, defval=true, group = "3 Line Strike")

bearSig = close[3] > open[3] and close[2] > open[2] and close[1] > open[1] and close < open[1]
bullSig = close[3] < open[3] and close[2] < open[2] and close[1] < open[1] and close > open[1]

plotshape(bearS ? bearSig : na, if bearS) (style=shape.triangledown, color=color.red, location=location.abovebar, size = size.small, text="3s-Bear", title="3 Line Strike Down")
plotshape(bullS ? bullSig : na, if bullS) (style=shape.triangleup, color=color.green, location=location.belowbar, size = size.small,  text="3s-Bull", title="3 Line Strike Up")

// End ###

// Define variables
smma = sma(close, 200)
longCondition = close > smma
shortCondition = close < smma

// Define bullish engulfing and 3 line strike candles
bullishEngulfing = close > open and open < smma[1] and close > smma[1]
barcolor(bullishEngulfing)
threeLineStrikeBullish = close[1] < open[1] and open > close and close > open

// Define bearish engulfing and 3 line strike candles
bearishEngulfing = close < open and open > smma[1] and close < smma[1]
barcolor(bearishEngulfing)
threeLineStrikeBearish = close[1] > open[1] and open < close and close < open

// Buy signal
if (longCondition and (bullishEngulfing or threeLineStrikeBullish))
("Long", strategy.long)

// Sell signal
if (shortCondition and (bearishEngulfing or threeLineStrikeBearish))
("Short", strategy.short)

我想为我的交易策略创建一个指标。所有的确认书都被钉住了，并且有效了，但当所有确认书都得到满足时，我很难很快做出买入或卖出的指示