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<!DOCTYPE html>
<meta charset=utf-8>
<title>Syntax Highlighting</title>
<link href="../themes/css/blackboard.css" rel="stylesheet" type="text/css" media="screen">
<body>
<pre><code data-language="coffee"># Assignment:
number = 42
opposite = true
# Conditions:
number = -42 if opposite
# Functions:
square = (x) -> x * x
# Arrays:
list = [1, 2, 3, 4, 5]
# Objects:
math =
root: Math.sqrt
square: square
cube: (x) -> x * square x
# Splats:
race = (winner, runners...) ->
print winner, runners
# Existence:
alert "I knew it!" if elvis?
# Array comprehensions:
cubes = (math.cube num for num in list)</code></pre>
<pre><code data-language="coffeescript">class Animal
constructor: (@name) ->
move: (meters) ->
alert @name + " moved #{meters}m."
class Snake extends Animal
move: ->
alert "Slithering..."
super 5
class Horse extends Animal
move: ->
alert "Galloping..."
super 45
sam = new Snake "Sammy the Python"
tom = new Horse "Tommy the Palomino"
sam.move()
tom.move()</code></pre>
<pre><code data-language="coffeescript">weatherReport = (location) ->
# Make an Ajax request to fetch the weather...
[location, 72, "Mostly Sunny"]
[city, temp, forecast] = weatherReport "Berkeley, CA"</code></pre>
<pre><code data-language="coffeescript">fs = require 'fs'
option '-o', '--output [DIR]', 'directory for compiled code'
task 'build:parser', 'rebuild the Jison parser', (options) ->
require 'jison'
code = require('./lib/grammar').parser.generate()
dir = options.output or 'lib'
fs.writeFile "#{dir}/parser.js", code</code></pre>
<script src="../dist/rainbow.js"></script>
<script src="../src/language/generic.js"></script>
<script src="../src/language/coffeescript.js"></script>
</body>
<pre><code data-language="coffee">OPERATOR = /// ^ (
?: [-=]> # function
| [-+*/%<>&|^!?=]= # compound assign / compare
| >>>=? # zero-fill right shift
| ([-+:])\\1 # doubles
| ([&|<>])\\2=? # logic / shift
| \\?\\. # soak access
| \\.{2,3} # range or splat
) ///</code></pre>
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