mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-27 01:36:20 +00:00
96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
460 lines
9.6 KiB
HTML
460 lines
9.6 KiB
HTML
<!doctype html>
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<title>CodeMirror: LiveScript mode</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../../doc/docs.css">
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<link rel="stylesheet" href="../../lib/codemirror.css">
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<link rel="stylesheet" href="../../theme/solarized.css">
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<script src="../../lib/codemirror.js"></script>
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<script src="livescript.js"></script>
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<style>.CodeMirror {font-size: 80%;border-top: 1px solid silver; border-bottom: 1px solid silver;}</style>
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<div id=nav>
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<a href="http://codemirror.net"><img id=logo src="../../doc/logo.png"></a>
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<ul>
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<li><a href="../../index.html">Home</a>
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<li><a href="../../doc/manual.html">Manual</a>
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<li><a href="https://github.com/marijnh/codemirror">Code</a>
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</ul>
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<ul>
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<li><a href="../index.html">Language modes</a>
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<li><a class=active href="#">LiveScript</a>
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</ul>
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</div>
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<article>
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<h2>LiveScript mode</h2>
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<form><textarea id="code" name="code">
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# LiveScript mode for CodeMirror
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# The following script, prelude.ls, is used to
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# demonstrate LiveScript mode for CodeMirror.
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# https://github.com/gkz/prelude-ls
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export objToFunc = objToFunc = (obj) ->
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(key) -> obj[key]
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export each = (f, xs) -->
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if typeof! xs is \Object
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for , x of xs then f x
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else
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for x in xs then f x
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xs
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export map = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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type = typeof! xs
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if type is \Object
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{[key, f x] for key, x of xs}
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else
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result = [f x for x in xs]
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if type is \String then result * '' else result
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export filter = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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type = typeof! xs
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if type is \Object
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{[key, x] for key, x of xs when f x}
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else
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result = [x for x in xs when f x]
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if type is \String then result * '' else result
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export reject = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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type = typeof! xs
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if type is \Object
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{[key, x] for key, x of xs when not f x}
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else
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result = [x for x in xs when not f x]
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if type is \String then result * '' else result
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export partition = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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type = typeof! xs
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if type is \Object
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passed = {}
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failed = {}
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for key, x of xs
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(if f x then passed else failed)[key] = x
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else
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passed = []
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failed = []
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for x in xs
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(if f x then passed else failed)push x
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if type is \String
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passed *= ''
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failed *= ''
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[passed, failed]
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export find = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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if typeof! xs is \Object
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for , x of xs when f x then return x
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else
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for x in xs when f x then return x
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void
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export head = export first = (xs) ->
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return void if not xs.length
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xs.0
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export tail = (xs) ->
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return void if not xs.length
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xs.slice 1
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export last = (xs) ->
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return void if not xs.length
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xs[*-1]
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export initial = (xs) ->
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return void if not xs.length
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xs.slice 0 xs.length - 1
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export empty = (xs) ->
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if typeof! xs is \Object
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for x of xs then return false
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return yes
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not xs.length
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export values = (obj) ->
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[x for , x of obj]
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export keys = (obj) ->
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[x for x of obj]
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export len = (xs) ->
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xs = values xs if typeof! xs is \Object
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xs.length
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export cons = (x, xs) -->
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if typeof! xs is \String then x + xs else [x] ++ xs
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export append = (xs, ys) -->
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if typeof! ys is \String then xs + ys else xs ++ ys
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export join = (sep, xs) -->
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xs = values xs if typeof! xs is \Object
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xs.join sep
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export reverse = (xs) ->
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if typeof! xs is \String
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then (xs / '')reverse! * ''
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else xs.slice!reverse!
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export fold = export foldl = (f, memo, xs) -->
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if typeof! xs is \Object
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for , x of xs then memo = f memo, x
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else
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for x in xs then memo = f memo, x
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memo
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export fold1 = export foldl1 = (f, xs) --> fold f, xs.0, xs.slice 1
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export foldr = (f, memo, xs) --> fold f, memo, xs.slice!reverse!
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export foldr1 = (f, xs) -->
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xs.=slice!reverse!
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fold f, xs.0, xs.slice 1
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export unfoldr = export unfold = (f, b) -->
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if (f b)?
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[that.0] ++ unfoldr f, that.1
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else
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[]
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export andList = (xs) ->
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for x in xs when not x
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return false
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true
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export orList = (xs) ->
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for x in xs when x
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return true
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false
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export any = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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for x in xs when f x
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return yes
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no
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export all = (f, xs) -->
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f = objToFunc f if typeof! f isnt \Function
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for x in xs when not f x
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return no
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yes
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export unique = (xs) ->
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result = []
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if typeof! xs is \Object
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for , x of xs when x not in result then result.push x
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else
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for x in xs when x not in result then result.push x
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if typeof! xs is \String then result * '' else result
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export sort = (xs) ->
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xs.concat!sort (x, y) ->
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| x > y => 1
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| x < y => -1
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| _ => 0
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export sortBy = (f, xs) -->
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return [] unless xs.length
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xs.concat!sort f
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export compare = (f, x, y) -->
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| (f x) > (f y) => 1
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| (f x) < (f y) => -1
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| otherwise => 0
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export sum = (xs) ->
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result = 0
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if typeof! xs is \Object
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for , x of xs then result += x
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else
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for x in xs then result += x
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result
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export product = (xs) ->
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result = 1
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if typeof! xs is \Object
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for , x of xs then result *= x
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else
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for x in xs then result *= x
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result
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export mean = export average = (xs) -> (sum xs) / len xs
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export concat = (xss) -> fold append, [], xss
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export concatMap = (f, xs) --> fold ((memo, x) -> append memo, f x), [], xs
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export listToObj = (xs) ->
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{[x.0, x.1] for x in xs}
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export maximum = (xs) -> fold1 (>?), xs
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export minimum = (xs) -> fold1 (<?), xs
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export scan = export scanl = (f, memo, xs) -->
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last = memo
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if typeof! xs is \Object
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then [memo] ++ [last = f last, x for , x of xs]
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else [memo] ++ [last = f last, x for x in xs]
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export scan1 = export scanl1 = (f, xs) --> scan f, xs.0, xs.slice 1
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export scanr = (f, memo, xs) -->
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xs.=slice!reverse!
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scan f, memo, xs .reverse!
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export scanr1 = (f, xs) -->
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xs.=slice!reverse!
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scan f, xs.0, xs.slice 1 .reverse!
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export replicate = (n, x) -->
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result = []
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i = 0
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while i < n, ++i then result.push x
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result
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export take = (n, xs) -->
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| n <= 0
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if typeof! xs is \String then '' else []
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| not xs.length => xs
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| otherwise => xs.slice 0, n
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export drop = (n, xs) -->
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| n <= 0 => xs
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| not xs.length => xs
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| otherwise => xs.slice n
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export splitAt = (n, xs) --> [(take n, xs), (drop n, xs)]
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export takeWhile = (p, xs) -->
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return xs if not xs.length
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p = objToFunc p if typeof! p isnt \Function
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result = []
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for x in xs
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break if not p x
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result.push x
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if typeof! xs is \String then result * '' else result
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export dropWhile = (p, xs) -->
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return xs if not xs.length
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p = objToFunc p if typeof! p isnt \Function
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i = 0
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for x in xs
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break if not p x
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++i
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drop i, xs
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export span = (p, xs) --> [(takeWhile p, xs), (dropWhile p, xs)]
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export breakIt = (p, xs) --> span (not) << p, xs
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export zip = (xs, ys) -->
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result = []
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for zs, i in [xs, ys]
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for z, j in zs
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result.push [] if i is 0
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result[j]?push z
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result
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export zipWith = (f,xs, ys) -->
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f = objToFunc f if typeof! f isnt \Function
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if not xs.length or not ys.length
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[]
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else
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[f.apply this, zs for zs in zip.call this, xs, ys]
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export zipAll = (...xss) ->
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result = []
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for xs, i in xss
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for x, j in xs
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result.push [] if i is 0
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result[j]?push x
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result
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export zipAllWith = (f, ...xss) ->
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f = objToFunc f if typeof! f isnt \Function
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if not xss.0.length or not xss.1.length
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[]
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else
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[f.apply this, xs for xs in zipAll.apply this, xss]
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export compose = (...funcs) ->
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->
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args = arguments
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for f in funcs
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args = [f.apply this, args]
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args.0
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export curry = (f) ->
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curry$ f # using util method curry$ from livescript
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export id = (x) -> x
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export flip = (f, x, y) --> f y, x
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export fix = (f) ->
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( (g, x) -> -> f(g g) ...arguments ) do
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(g, x) -> -> f(g g) ...arguments
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export lines = (str) ->
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return [] if not str.length
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str / \\n
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export unlines = (strs) -> strs * \\n
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export words = (str) ->
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return [] if not str.length
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str / /[ ]+/
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export unwords = (strs) -> strs * ' '
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export max = (>?)
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export min = (<?)
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export negate = (x) -> -x
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export abs = Math.abs
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export signum = (x) ->
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| x < 0 => -1
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| x > 0 => 1
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| otherwise => 0
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export quot = (x, y) --> ~~(x / y)
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export rem = (%)
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export div = (x, y) --> Math.floor x / y
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export mod = (%%)
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export recip = (1 /)
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export pi = Math.PI
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export tau = pi * 2
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export exp = Math.exp
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export sqrt = Math.sqrt
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# changed from log as log is a
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# common function for logging things
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export ln = Math.log
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export pow = (^)
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export sin = Math.sin
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export tan = Math.tan
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export cos = Math.cos
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export asin = Math.asin
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export acos = Math.acos
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export atan = Math.atan
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export atan2 = (x, y) --> Math.atan2 x, y
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# sinh
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# tanh
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# cosh
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# asinh
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# atanh
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# acosh
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export truncate = (x) -> ~~x
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export round = Math.round
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export ceiling = Math.ceil
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export floor = Math.floor
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export isItNaN = (x) -> x isnt x
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export even = (x) -> x % 2 == 0
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export odd = (x) -> x % 2 != 0
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export gcd = (x, y) -->
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x = Math.abs x
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y = Math.abs y
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until y is 0
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z = x % y
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x = y
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y = z
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x
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export lcm = (x, y) -->
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Math.abs Math.floor (x / (gcd x, y) * y)
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# meta
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export installPrelude = !(target) ->
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unless target.prelude?isInstalled
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target <<< out$ # using out$ generated by livescript
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target <<< target.prelude.isInstalled = true
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export prelude = out$
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</textarea></form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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theme: "solarized light",
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lineNumbers: true
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});
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</script>
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<p><strong>MIME types defined:</strong> <code>text/x-livescript</code>.</p>
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<p>The LiveScript mode was written by Kenneth Bentley.</p>
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</article>
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