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Merge pull request #166 from Jos512/tradingview
Add TradingView lexer
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| package t | ||
|
|
||
| import ( | ||
| . "github.com/alecthomas/chroma" // nolint | ||
| "github.com/alecthomas/chroma/lexers/internal" | ||
| ) | ||
|
|
||
| // TradingView lexer. | ||
| var TradingView = internal.Register(MustNewLexer( | ||
| &Config{ | ||
| Name: "TradingView", | ||
| Aliases: []string{"tradingview", "tv"}, | ||
| Filenames: []string{"*.tv"}, | ||
| MimeTypes: []string{"text/x-tradingview"}, | ||
| DotAll: true, | ||
| }, | ||
| Rules{ | ||
| "root": { | ||
| {`[^\S\n]+|\n|[()]`, Text, nil}, | ||
| {`(//.*?)(\n)`, ByGroups(CommentSingle, Text), nil}, | ||
| {`>=|<=|==|!=|>|<|\?|-|\+|\*|\/|%|\[|\]`, Operator, nil}, | ||
| {`[:,.]`, Punctuation, nil}, | ||
| {`=`, KeywordPseudo, nil}, | ||
| {`"(\\\\|\\"|[^"\n])*["\n]`, LiteralString, nil}, | ||
| {`'\\.'|'[^\\]'`, LiteralString, nil}, | ||
| {`[0-9](\.[0-9]*)?([eE][+-][0-9]+)?`, LiteralNumber, nil}, | ||
| {`(abs|acos|alertcondition|alma|asin|atan|atr|avg|barcolor|barssince|bgcolor|cci|ceil|change|cog|correlation|cos|crossover|crossunder|cum|dev|ema|exp|falling|fill|fixnan|floor|heikinashi|highest|highestbars|hline|iff|input|kagi|linebreak|linreg|log|log10|lowest|lowestbars|macd|max|min|mom|nz|percentile_linear_interpolation|percentile_nearest_rank|percentrank|pivothigh|pivotlow|plot|plotarrow|plotbar|plotcandle|plotchar|plotshape|pointfigure|pow|renko|rising|rma|roc|round|rsi|sar|security|sign|sin|sma|sqrt|stdev|stoch|study|sum|swma|tan|tostring|tsi|valuewhen|variance|vwma|wma|strategy\.(cancel|cancel_all|close|close_all|entry|exit|order)|strategy\.risk\.(allow_entry_in|max_cons_loss_days|max_drawdown|max_intraday_filled_orders|max_intraday_loss|max_position_size))\b`, NameFunction, nil}, | ||
| {`\b(cross|dayofmonth|dayofweek|hour|minute|month|na|offset|second|tickerid|time|tr|vwap|weekofyear|year)(\()`, ByGroups(NameFunction, Text), nil}, // functions that can also be variable | ||
| {`(accdist|aqua|area|areabr|black|blue|bool|circles|close|columns|currency\.(AUD|CAD|CHF|EUR|GBP|HKD|JPY|NOK|NONE|NZD|SEK|SGD|TRY|USD|ZAR)|dashed|dotted|float|friday|fuchsia|gray|green|high|histogram|hl2|hlc3|integer|interval|isdaily|isdwm|isintraday|ismonthly|isweekly|lime|line|linebr|location\.(abovebar|belowbar|bottom|top)|low|maroon|monday|n|navy|ohlc4|olive|open|orange|period|purple|red|resolution|saturday|scale\.(left|none|right)|session|session\.(extended|regular)|silver|size\.(auto|huge|large|normal|small|tiny)|solid|source|string|sunday|symbol|syminfo\.(mintick|pointvalue|prefix|root|session)|teal|thursday|ticker|tuesday|volume|wednesday|white|yellow|strategy\.(cash|position_size|closedtrades|direction\.(all|long|short)|equity|eventrades|fixed|grossloss|grossprofit|initial_capital|long|losstrades|max_contracts_held_all|max_contracts_held_long|max_contracts_held_short|max_drawdown|netprofit|oca\.(cancel|none|reduce)|openprofit|opentrades|percent_of_equity|position_avg_price|position_entry_name|short|wintrades)|shape\.(arrowdown|arrowup|circle|cross|diamond|flag|labeldown|labelup|square|triangledown|triangleup|xcross)|barstate\.is(first|history|last|new|realtime)|barmerge\.(gaps_on|gaps_off|lookahead_on|lookahead_off)|strategy\.commission\.(cash_per_contract|cash_per_order|percent))\b`, NameVariable, nil}, | ||
| {`(cross|dayofmonth|dayofweek|hour|minute|month|na|second|tickerid|time|tr|vwap|weekofyear|year)(\b[^\(])`, ByGroups(NameVariable, Text), nil}, // variables that can also be function | ||
| {`(true|false)\b`, KeywordConstant, nil}, | ||
| {`(and|or|not|if|else|for)\b`, OperatorWord, nil}, | ||
| {`@?[_a-zA-Z]\w*`, Text, nil}, | ||
| }, | ||
| }, | ||
| )) |
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| //@version=3 | ||
| study(title="Chroma example script", overlay=true, precision=3) | ||
|
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| emaLen = input(title="EMA Length", type=integer, defval=10) | ||
| emaVal = ema(close, emaLen) | ||
|
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| plot(series=emaVal, style=circles, offset=2, linewidth=3) | ||
|
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| // Colour background | ||
| bgcolor(color=close > open ? orange : | ||
| close != high[1] ? purple : | ||
| na, transp=80) |
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| [ | ||
| {"type":"CommentSingle","value":"//@version=3\r"}, | ||
| {"type":"Text","value":"\n"}, | ||
| {"type":"NameFunction","value":"study"}, | ||
| {"type":"Text","value":"(title"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralString","value":"\"Chroma example script\""}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" overlay"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"KeywordConstant","value":"true"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" precision"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralNumber","value":"3"}, | ||
| {"type":"Text","value":")\r\n\r\nemaLen "}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameFunction","value":"input"}, | ||
| {"type":"Text","value":"(title"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralString","value":"\"EMA Length\""}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" type"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"NameVariable","value":"integer"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" defval"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralNumber","value":"10"}, | ||
| {"type":"Text","value":")\r\nemaVal "}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameFunction","value":"ema"}, | ||
| {"type":"Text","value":"("}, | ||
| {"type":"NameVariable","value":"close"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" emaLen)\r\n\r\n"}, | ||
| {"type":"NameFunction","value":"plot"}, | ||
| {"type":"Text","value":"(series"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"Text","value":"emaVal"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" style"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"NameVariable","value":"circles"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" offset"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralNumber","value":"2"}, | ||
| {"type":"Punctuation","value":","}, | ||
| {"type":"Text","value":" linewidth"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralNumber","value":"3"}, | ||
| {"type":"Text","value":")\r\n\r\n"}, | ||
| {"type":"CommentSingle","value":"// Colour background\r"}, | ||
| {"type":"Text","value":"\n"}, | ||
| {"type":"NameFunction","value":"bgcolor"}, | ||
| {"type":"Text","value":"(color"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"NameVariable","value":"close"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Operator","value":"\u003e"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameVariable","value":"open"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Operator","value":"?"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameVariable","value":"orange"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Punctuation","value":":"}, | ||
| {"type":"Text","value":"\r\n "}, | ||
| {"type":"NameVariable","value":"close"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Operator","value":"!="}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameVariable","value":"high"}, | ||
| {"type":"Operator","value":"["}, | ||
| {"type":"LiteralNumber","value":"1"}, | ||
| {"type":"Operator","value":"]"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Operator","value":"?"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"NameVariable","value":"purple"}, | ||
| {"type":"Text","value":" "}, | ||
| {"type":"Punctuation","value":":"}, | ||
| {"type":"Text","value":"\r\n "}, | ||
| {"type":"NameVariable","value":"na"}, | ||
| {"type":"Text","value":", transp"}, | ||
| {"type":"KeywordPseudo","value":"="}, | ||
| {"type":"LiteralNumber","value":"80"}, | ||
| {"type":"Text","value":")"} | ||
| ] |