Tradingview V1到Tradingview iff语句的转换

Question

我正在尝试将TradingView的买入压力和卖出压力脚本集成到我自己的v4代码中，这导致了以下iff语句的错误“输入‘行尾没有连续行’时出现语法错误”。

有人能帮我把这几行代码翻译成v4兼容的代码吗？我试图通过更改缩进来修复它，但不能成功。下面是代码。如果有人能帮我一把，我真的很感激。提前谢谢你

study("BP Trial", shorttitle="BP Trial", overlay=true)
signal = input(title="Short Period Candles:", type=integer, defval=4)
vol = iff(volume > 0, volume , 1)


BP =    iff(close<open,     iff(close[1]<open,  max(high-close[1], close-low), 
                                                    max(high-open, close-low)),
            iff(close>open,     iff(close[1]>open,  high-low, 
                                                    max(open-close[1], high-low)),
            iff(high-close>close-low, iff(close[1]<open,    max(high-close[1],close-low),
                                                            high-open),
            iff(high-close<close-low, iff(close[1]>open,    high-low,
                                                            max(open-close[1], high-low)),
            iff(close[1]>open,  max(high-open, close-low),
            iff(close[1]<open,  max(open-close[1], high-low),
        high-low))))))
SP =    iff(close<open,     iff(close[1]>open,  max(close[1]-open, high-low),
                                                    high-low),
            iff(close>open,     iff(close[1]>open,  max(close[1]-low, high-close),
                                                    max(open-low, high-close)),
            iff(high-close>close-low,   iff(close[1]>open,  max(close[1]-open, high-low),
                                                            high-low),
            iff(high-close<close-low,   iff(close[1]>open,  max(close[1]-low, high-close),
                                                            open-low),
            iff(close[1]>open,  max(close[1]-open, high-low),
            iff(close[1]<open,  max(open-low, high-close),
        high-low))))))


plot(BP, style=line, color=red)
plot(SP, style=line, color=blue)

Answer 1

请使用我们的手册https://www.tradingview.com/pine-script-docs/en/v4/language/Line_wrapping.html

//@version = 4
study("BP Trial", shorttitle="BP Trial", overlay=true)
signal = input(title="Short Period Candles:", type=input.integer, defval=4)
vol = iff(volume > 0, volume , 1)


BP =    iff(close<open, iff(close[1]<open,  max(high-close[1], close-low), max(high-open, close-low)),
         iff(close>open, iff(close[1]>open,  high-low, max(open-close[1], high-low)),
         iff(high-close>close-low, iff(close[1]<open, max(high-close[1],close-low), high-open),
         iff(high-close<close-low, iff(close[1]>open,    high-low,max(open-close[1], high-low)),
         iff(close[1]>open,  max(high-open, close-low), iff(close[1]<open,  max(open-close[1], high-low), high-low))))))



SP =    iff(close<open,     iff(close[1]>open,  max(close[1]-open, high-low), high-low), 
         iff(close>open,     iff(close[1]>open,  max(close[1]-low, high-close), max(open-low, high-close)),
         iff(high-close>close-low,   iff(close[1]>open,  max(close[1]-open, high-low), high-low), 
         iff(high-close<close-low,   iff(close[1]>open,  max(close[1]-low, high-close), open-low),
         iff(close[1]>open,  max(close[1]-open, high-low),
         iff(close[1]<open,  max(open-low, high-close), high-low))))))


plot(BP, color=color.red)
plot(SP, color=color.blue)