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132 Commits
1.7.1 ... 0.1.6

Author SHA1 Message Date
Jeremy Ashkenas
8fe6fa1cd7 CoffeeScript 0.1.6 -- bugfixes 2009-12-27 12:49:11 -08:00
Jeremy Ashkenas
835db4b279 fixing paths for running
coffee compiles CoffeeScript source files into JavaScript.

Usage:
  coffee path/to/script.coffee
    -i, --interactive                run a CoffeeScript REPL (requires Narwhal)
    -r, --run                        compile and run a script (requires Narwhal)
    -o, --output [DIR]               set the directory for compiled JavaScript
    -w, --watch                      watch scripts for changes, and recompile
    -p, --print                      print the compiled JavaScript to stdout
    -l, --lint                       pipe the compiled JavaScript through JSLint
    -e, --eval                       compile a cli scriptlet or read from stdin
    -t, --tokens                     print the tokens that the lexer produces
    -v, --verbose                    print at every step of code generation
    -n, --no-wrap                    raw output, no safety wrapper or vars
        --install-bundle             install the CoffeeScript TextMate bundle
        --version                    display CoffeeScript version
    -h, --help                       display this help message outside of the coffee-script directory
2009-12-27 12:43:05 -08:00
Jeremy Ashkenas
f89c864911 more underscore examples 2009-12-27 11:01:19 -08:00
Jeremy Ashkenas
542726911a more underscore and bugfix edits to code generation 2009-12-26 22:24:21 -08:00
Jeremy Ashkenas
575dc7d12e more underscore, and removing custom_assign and return from conditional compilation 2009-12-26 21:55:56 -08:00
Jeremy Ashkenas
ff0062b088 coffeescript 0.1.5, just for kicks 2009-12-26 21:25:37 -08:00
Jeremy Ashkenas
78589f5db1 docs for range comprehensiosn 2009-12-26 20:46:31 -08:00
Jeremy Ashkenas
903331f3ff got negative ranges working with (much, much) uglier compiled code 2009-12-26 20:35:43 -08:00
Jeremy Ashkenas
47b45c4494 removing no_paren -- it was optimizing away order of operations 2009-12-26 11:55:34 -08:00
Jeremy Ashkenas
c4844abb28 adding newline escaping, with tests 2009-12-26 09:29:03 -08:00
Jeremy Ashkenas
96ae6d80f3 docs 2009-12-26 09:05:57 -08:00
Jeremy Ashkenas
60342e8cd9 changed bin/coffee-script to bin/coffee 2009-12-26 08:57:13 -08:00
Jeremy Ashkenas
f9c3d3fc14 fixed range comprehension indexing 2009-12-26 00:27:49 -08:00
Jeremy Ashkenas
b1e25eea88 trading the cs> prompt for the coffee> prompt 2009-12-26 00:18:24 -08:00
Jeremy Ashkenas
1486bbab9f added array comprehensions over ranges 2009-12-26 00:16:40 -08:00
Jeremy Ashkenas
59d912cc26 docs for assignment-as-expression 2009-12-25 23:17:34 -08:00
Jeremy Ashkenas
9adf2e2d30 major internal reworking -- all variable declarations have been pushed up to the first line of the block scope -- all assignment is now an inherent expression 2009-12-25 22:57:33 -08:00
Jeremy Ashkenas
cf46fa8c2c started raising syntax errors for parens wrapped around expressions (they used to silently be ignored) 2009-12-25 20:36:22 -08:00
Jeremy Ashkenas
16ca3d1608 don't add the no_wrap key to the options hash unless we're going to use it 2009-12-25 19:48:47 -08:00
Jeremy Ashkenas
476a251c80 comment 2009-12-25 19:34:40 -08:00
Jeremy Ashkenas
274152aff7 documenting ranges and slices 2009-12-25 16:35:57 -08:00
Jeremy Ashkenas
00659e5f76 reorganizing test fixtures and adding range literals for array slices 2009-12-25 16:20:28 -08:00
Jeremy Ashkenas
88fe4f6fd1 CoffeeScript 0.1.4 2009-12-25 14:43:24 -08:00
Jeremy Ashkenas
03a90928e1 moved the coffeescript extension over from .cs to .coffee -- let's leave C# in peace. Changed array comprehensions to always return their mapped result, even when unassigned 2009-12-25 14:18:05 -08:00
Jeremy Ashkenas
67865d3341 stopped using __proto__, instead, using a variant of goog.inherits for extends and super() 2009-12-25 13:57:47 -08:00
Jeremy Ashkenas
0337513172 ForBody is really the ForSource 2009-12-25 13:40:57 -08:00
Jeremy Ashkenas
1ee2c53391 cleaned up the for grammar and eliminated a shift/reduce conflict 2009-12-25 13:39:33 -08:00
Jeremy Ashkenas
4b7c965101 make equals signs full equals of colons -- you can use them inside of object literals now too 2009-12-25 13:21:17 -08:00
Jeremy Ashkenas
11c394fb7e allowing = to assign 2009-12-25 07:42:27 -08:00
Jeremy Ashkenas
54a7c405e7 going back to familiar operators +: is just too strange 2009-12-25 07:31:51 -08:00
Jeremy Ashkenas
781f3b5fa4 added a test to make sure that chained calls work 2009-12-25 07:16:59 -08:00
Jeremy Ashkenas
2393472924 allowing chained function calls, one right after another 2009-12-25 07:08:57 -08:00
Jeremy Ashkenas
859ab7583f bumping to 0.1.3 ... here we go 2009-12-25 00:16:56 -08:00
Jeremy Ashkenas
3eedd5bb50 better error warnings on the command line 2009-12-25 00:02:27 -08:00
Jeremy Ashkenas
5b7e695f6c removed bin/cs in favor of a more comprehensive coffee-script command ... now with --interactive and --run 2009-12-24 23:57:27 -08:00
Jeremy Ashkenas
1e3182727b majorly cleaned up the CoffeeScript that defines the Narwhal integration 2009-12-24 23:28:01 -08:00
Jeremy Ashkenas
e595dbfcee the narwhal integration written in JavaScript has been replaced with CoffeeScript, and compiler-generated variable names now start with '__' 2009-12-24 23:09:24 -08:00
Jeremy Ashkenas
12b830893d sped up the execution test a good deal by running it all in one pass 2009-12-24 22:29:30 -08:00
Jeremy Ashkenas
cca80342aa making all assignment-y operators use a colon -- now it's +: -: *: /:, and friends 2009-12-24 22:25:29 -08:00
Jeremy Ashkenas
4412f590cf removed dependency on v8 in favor of bin/cs 2009-12-24 22:08:32 -08:00
tlrobinson
0cd2d78027 Print compiler errors to stderr 2009-12-24 19:34:17 -08:00
Jeremy Ashkenas
be672ebfc1 fixed the bin/cs repl to save assignment between commands by using the new --no-wrap 2009-12-24 17:45:23 -08:00
Jeremy Ashkenas
9047c87567 the --no-wrap option now disables top-level var declarations 2009-12-24 17:37:24 -08:00
Jeremy Ashkenas
31d630bb91 updating docs for isnt 2009-12-24 17:22:46 -08:00
Jeremy Ashkenas
7a2f5a333f trading aint for isnt -- let's be serious 2009-12-24 17:21:20 -08:00
Jeremy Ashkenas
66303636dc allowing quoted strings within object assignment, a in JS and JSON 2009-12-24 17:14:53 -08:00
Jeremy Ashkenas
9dc932e380 bumping to 0.1.2 to get the super()/extends fix out there 2009-12-24 17:05:55 -08:00
Jeremy Ashkenas
a71de4b5b6 got extends back in the language -- use it together with super 2009-12-24 16:49:23 -08:00
Jeremy Ashkenas
ada8dfc6d4 fixing super() calls, thanks to tolmasky 2009-12-24 16:23:23 -08:00
Jeremy Ashkenas
4112595368 removing the special-case std-reading in favor of '--eval' 2009-12-24 15:49:42 -08:00
Jeremy Ashkenas
c281db7730 document that -e can read from stdin 2009-12-24 15:35:58 -08:00
Jeremy Ashkenas
5e6b49ad1e with a working -n --no-wrap option to disable the top-level function safety wrapper 2009-12-24 15:31:00 -08:00
Jeremy Ashkenas
ec1a527575 Merge branch 'master' of git://github.com/tlrobinson/coffee-script 2009-12-24 15:05:56 -08:00
tlrobinson
dc0ab1afca Command line CoffeeScript 2009-12-24 14:42:57 -08:00
tlrobinson
ae72fbfd0d Narwhal support for CoffeeScript 2009-12-24 14:41:35 -08:00
tlrobinson
ad0735f765 Read from stdin if source is "-" 2009-12-24 14:40:39 -08:00
Jeremy Ashkenas
d49c178f1d added and -> &&, or -> || to the docs (they were missing) 2009-12-24 14:37:30 -08:00
Jeremy Ashkenas
8f8ba255b3 docs for 0.1.1 2009-12-24 12:02:28 -08:00
Jeremy Ashkenas
a4bc24817d bumping to 0.1.1 2009-12-24 11:59:19 -08:00
Jeremy Ashkenas
9eeac9b272 added the typeof operater as an OpNode 2009-12-24 11:50:44 -08:00
Jeremy Ashkenas
f859eb6cec added the instanceof operator to the grammar as an operation node 2009-12-24 11:46:51 -08:00
Jeremy Ashkenas
b29afc2c09 another wish 2009-12-24 10:31:44 -08:00
Jeremy Ashkenas
95b79973f9 docs 2009-12-24 09:56:44 -08:00
Jeremy Ashkenas
1f79733a33 added a wish list to the docs 2009-12-24 09:54:12 -08:00
Jeremy Ashkenas
cfc29f7830 doc tweaks 2009-12-24 01:38:32 -08:00
Jeremy Ashkenas
34486039e1 changing switch/case to switch/when -- it's a better word 2009-12-24 01:33:59 -08:00
Jeremy Ashkenas
53e8ea7d9e added comprehensive linting to the test suit 2009-12-24 00:49:11 -08:00
Jeremy Ashkenas
9841b78ed8 fixed the broken try/catch grammar 2009-12-24 00:45:16 -08:00
Jeremy Ashkenas
065cfddd0d with a more comprehensive execution test that uncovered some missing spots 2009-12-24 00:41:12 -08:00
Jeremy Ashkenas
6882a3d36c added some execution test 2009-12-24 00:12:07 -08:00
Jeremy Ashkenas
85c595e84c added readme 2009-12-23 23:12:29 -08:00
Jeremy Ashkenas
b8f563d49e first draft of docs are done 2009-12-23 23:01:39 -08:00
Jeremy Ashkenas
3b3d57e84a waypoint 2009-12-24 01:22:41 -05:00
Jeremy Ashkenas
a1ee622aa6 added git st with the new operator regex 2009-12-24 00:37:33 -05:00
Jeremy Ashkenas
64733981fd ported over a little more underscore 2009-12-23 21:09:32 -05:00
Jeremy Ashkenas
7833b11724 added the ! sign as an allowed operator 2009-12-23 21:00:04 -05:00
Jeremy Ashkenas
a7032d0964 ... 2009-12-23 20:57:35 -05:00
Jeremy Ashkenas
f2c872230e more better super docs, better switch docs 2009-12-23 20:48:55 -05:00
Jeremy Ashkenas
8d26488748 added yes, no, on and off as boolean aliases and a nice aliases section to the docs 2009-12-23 20:24:55 -05:00
Jeremy Ashkenas
d92ed46503 broken waypoint, but fixed line numbers with the new JS comments 2009-12-23 19:42:44 -05:00
Jeremy Ashkenas
777eac045a broken waypoint, but fixed line numbers with the new JS comments 2009-12-23 19:42:18 -05:00
Jeremy Ashkenas
37e2f3b944 for whatever reason, don't need to force else-bodies to compile as statements anymore ... let them do what they want 2009-12-22 12:18:27 -05:00
Jeremy Ashkenas
3902a8b268 removed all traces of 'extends' -- it's not any shorter or more convenient than just setting the prototype 2009-12-22 12:08:29 -05:00
Jeremy Ashkenas
63a910d7ce got comments within object and array literals working out 2009-12-22 11:50:43 -05:00
Jeremy Ashkenas
3cee51cc37 first draft of parsing and printing along comments -- unfortunately, not yet working within objects and arrays 2009-12-22 11:27:19 -05:00
Jeremy Ashkenas
45b559a721 passing through comments as tags on Values, but not printing them out quite yet... 2009-12-22 10:48:58 -05:00
Jeremy Ashkenas
7c59eb2c36 nice -- it's pushing down assignments properly (recursively) now 2009-12-22 10:16:53 -05:00
Jeremy Ashkenas
40f633b8d0 moderate refactor of nodes.rb -- tests pass and examples compile without warnings 2009-12-22 10:11:41 -05:00
Jeremy Ashkenas
4e3d7cb974 clean up children at exit -- had about twenty processes all watching and recompiling the docs 2009-12-21 12:15:13 -05:00
Jeremy Ashkenas
d14b127b60 documentation waypoint 2009-12-21 11:41:45 -05:00
Jeremy Ashkenas
0d566ed1ec added full complement of bitwise operators 2009-12-19 22:56:27 -05:00
Jeremy Ashkenas
d86f92c6f2 added full complement of bitwise operators 2009-12-19 22:55:58 -05:00
Jeremy Ashkenas
efc5150144 making the each fixture a little more like underscore, and avoiding passing assignment into functions from the outside 2009-12-19 00:45:36 -05:00
Jeremy Ashkenas
7474ed1a5e added the verbose option to the CLI 2009-12-19 00:37:54 -05:00
Jeremy Ashkenas
2f4433af71 more little fixes, lots of subtle things, added a verbose logging mode 2009-12-19 00:33:34 -05:00
Jeremy Ashkenas
91303efd2c lots of tweaks make the tests pass again 2009-12-18 23:13:59 -05:00
Jeremy Ashkenas
d73ff9a79f patched up array comprehensions somewhat. Parens are still a necessary evil, and there's still probably plenty of edge cases 2009-12-18 22:30:09 -05:00
Jeremy Ashkenas
7ec6300a48 little fixes more examples 2009-12-18 09:55:31 -05:00
Jeremy Ashkenas
42c84fc54b adding css for syntax highlighting 2009-12-18 08:36:20 -05:00
Jeremy Ashkenas
f0a790d624 todo to-done 2009-12-18 07:40:26 -05:00
Jeremy Ashkenas
fdcff7aaf0 finished the first draft of the parser test 2009-12-18 07:28:26 -05:00
Jeremy Ashkenas
ab2362e372 adding comprehensive attr_readers to the AST for testing 2009-12-18 07:21:59 -05:00
Jeremy Ashkenas
98cf9f5af2 parser test raises some minor improvements (remove unnecessary ValueNode arrays, etc 2009-12-18 07:11:01 -05:00
Jeremy Ashkenas
e74af51a7d adding an initial lexer test 2009-12-18 06:59:06 -05:00
Jeremy Ashkenas
35b5d8c630 after a lot of grammar wrestling, got the if-else chains to parse unambiguously. Now you only need a single period to close chains of any length. 2009-12-18 00:49:23 -05:00
Jeremy Ashkenas
8575d91c66 finally got the function/object/variable assignment indentation straightened out, I think 2009-12-17 23:45:24 -05:00
Jeremy Ashkenas
8338f124be compiling if-else chains into nice flat ones 2009-12-17 23:34:52 -05:00
Jeremy Ashkenas
be19f7ad4f first major rework of the nodes -- still need more comments and templatish cleanup, but character tagging is all settled 2009-12-17 23:22:02 -05:00
Jeremy Ashkenas
5c737d29ab renamed Nodes to Expressions 2009-12-17 22:58:40 -05:00
Jeremy Ashkenas
92c59ea4a5 finished commenting everything but the nodes -- they're up next 2009-12-17 22:54:24 -05:00
Jeremy Ashkenas
dd28074436 finished commenting the grammar 2009-12-17 22:22:35 -05:00
Jeremy Ashkenas
f8ab30fa42 many more comments, plus a fix for inner-assignment indentation 2009-12-17 22:13:29 -05:00
Jeremy Ashkenas
581ad8ba1e commented the command-line interface 2009-12-17 21:57:21 -05:00
Jeremy Ashkenas
5703c1ed6d moved the TextMate bundle into the gem, added a command to install it 2009-12-17 21:46:12 -05:00
Jeremy Ashkenas
a71a3cdf3f added the 'delete' operator 2009-12-17 21:21:07 -05:00
Jeremy Ashkenas
f5d31b78e6 removed the 'default' keyword in favor of an 'else' 2009-12-17 21:14:36 -05:00
Jeremy Ashkenas
e1e6bb72c6 removed class checks in favor of statement? 2009-12-17 21:10:49 -05:00
Jeremy Ashkenas
d89ca33cdb number examples 2009-12-17 21:00:31 -05:00
Jeremy Ashkenas
58ecfeb815 added exponential and hex numbers 2009-12-17 20:59:19 -05:00
Jeremy Ashkenas
955d01a302 added a nice --watch mode to continually recompile or relint (or reprint) your coffeescripts 2009-12-17 20:37:39 -05:00
Jeremy Ashkenas
f8a5f7595d cleanups getting underscore to compile 2009-12-17 10:33:57 -05:00
Jeremy Ashkenas
9f33cf19ad added nice syntax errors 2009-12-17 10:04:43 -05:00
Jeremy Ashkenas
6deb85e083 passing through values with line number information that look and act like Ruby natives 2009-12-17 09:37:42 -05:00
Jeremy Ashkenas
9ad108281e cleaned up lexer in order to add line numbers 2009-12-17 09:29:49 -05:00
Jeremy Ashkenas
cd0091c045 added the ability to super() 2009-12-17 09:07:42 -05:00
Jeremy Ashkenas
01ecae2c55 allowing inner slashes in regexes 2009-12-17 08:29:19 -05:00
Jeremy Ashkenas
cef4bcd756 supporting escaped quotes in strings 2009-12-17 08:26:46 -05:00
Jeremy Ashkenas
ad50bd7154 supporting escaped quotes in strings 2009-12-17 08:26:20 -05:00
Jeremy Ashkenas
b97f9cf5ec multiline strings 2009-12-17 08:23:17 -05:00
Jeremy Ashkenas
2d65d3d73b multiline strings 2009-12-17 08:23:07 -05:00
Jeremy Ashkenas
733a76fdba built the first gem -- works just fine 2009-12-16 23:10:03 -05:00
Jeremy Ashkenas
fd63698005 completely reorganized for a gem and the 'coffee-script' command 2009-12-16 22:42:53 -05:00
286 changed files with 7372 additions and 55461 deletions

10
.gitignore vendored
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@@ -1,10 +1,2 @@
raw
presentation
test.coffee
test.litcoffee
parser.output
test/fixtures/underscore
test/*.js
examples/beautiful_code/parse.coffee
*.gem
/node_modules
*.gem

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@@ -1,11 +0,0 @@
*.coffee
*.html
.DS_Store
.git*
Cakefile
documentation/
examples/
extras/coffee-script.js
raw/
src/
test/

1
CNAME
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@@ -1 +0,0 @@
coffeescript.org

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@@ -1,9 +0,0 @@
## How to contribute to CoffeeScript
* Before you open a ticket or send a pull request, [search](https://github.com/jashkenas/coffee-script/issues) for previous discussions about the same feature or issue. Add to the earlier ticket if you find one.
* Before sending a pull request for a feature, be sure to have [tests](https://github.com/jashkenas/coffee-script/tree/master/test).
* Use the same coding style as the rest of the [codebase](https://github.com/jashkenas/coffee-script/tree/master/src). If you're just getting started with CoffeeScript, there's a nice [style guide](https://github.com/polarmobile/coffeescript-style-guide).
* In your pull request, do not add documentation to `index.html` or re-build the minified `coffee-script.js` file. We'll do those things before cutting a new release.

270
Cakefile
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@@ -1,270 +0,0 @@
fs = require 'fs'
path = require 'path'
_ = require 'underscore'
CoffeeScript = require './lib/coffee-script'
{spawn, exec} = require 'child_process'
helpers = require './lib/coffee-script/helpers'
# ANSI Terminal Colors.
bold = red = green = reset = ''
unless process.env.NODE_DISABLE_COLORS
bold = '\x1B[0;1m'
red = '\x1B[0;31m'
green = '\x1B[0;32m'
reset = '\x1B[0m'
# Built file header.
header = """
/**
* CoffeeScript Compiler v#{CoffeeScript.VERSION}
* http://coffeescript.org
*
* Copyright 2011, Jeremy Ashkenas
* Released under the MIT License
*/
"""
# Build the CoffeeScript language from source.
build = (cb) ->
files = fs.readdirSync 'src'
files = ('src/' + file for file in files when file.match(/\.(lit)?coffee$/))
run ['-c', '-o', 'lib/coffee-script'].concat(files), cb
# Run a CoffeeScript through our node/coffee interpreter.
run = (args, cb) ->
proc = spawn 'node', ['bin/coffee'].concat(args)
proc.stderr.on 'data', (buffer) -> console.log buffer.toString()
proc.on 'exit', (status) ->
process.exit(1) if status != 0
cb() if typeof cb is 'function'
# Log a message with a color.
log = (message, color, explanation) ->
console.log color + message + reset + ' ' + (explanation or '')
codeFor = ->
counter = 0
hljs = require 'highlight.js'
hljs.configure classPrefix: ''
(file, executable = false, showLoad = true) ->
counter++
return unless fs.existsSync "documentation/js/#{file}.js"
cs = fs.readFileSync "documentation/coffee/#{file}.coffee", 'utf-8'
js = fs.readFileSync "documentation/js/#{file}.js", 'utf-8'
js = js.replace /^\/\/ generated.*?\n/i, ''
cshtml = "<pre><code>#{hljs.highlight('coffeescript', cs).value}</code></pre>"
jshtml = "<pre><code>#{hljs.highlight('javascript', js).value}</code></pre>"
append = if executable is yes then '' else "alert(#{executable});"
if executable and executable != yes
cs.replace /(\S)\s*\Z/m, "$1\n\nalert #{executable}"
run = if executable is true then 'run' else "run: #{executable}"
name = "example#{counter}"
script = "<script>window.#{name} = #{JSON.stringify cs}</script>"
load = if showLoad then "<div class='minibutton load' onclick='javascript: loadConsole(#{name});'>load</div>" else ''
button = if executable then "<div class='minibutton ok' onclick='javascript: #{js};#{append}'>#{run}</div>" else ''
"<div class='code'>#{cshtml}#{jshtml}#{script}#{load}#{button}<br class='clear' /></div>"
option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
base = options.prefix or '/usr/local'
lib = "#{base}/lib/coffee-script"
bin = "#{base}/bin"
node = "~/.node_libraries/coffee-script"
console.log "Installing CoffeeScript to #{lib}"
console.log "Linking to #{node}"
console.log "Linking 'coffee' to #{bin}/coffee"
exec([
"mkdir -p #{lib} #{bin}"
"cp -rf bin lib LICENSE README package.json src #{lib}"
"ln -sfn #{lib}/bin/coffee #{bin}/coffee"
"ln -sfn #{lib}/bin/cake #{bin}/cake"
"mkdir -p ~/.node_libraries"
"ln -sfn #{lib}/lib/coffee-script #{node}"
].join(' && '), (err, stdout, stderr) ->
if err then console.log stderr.trim() else log 'done', green
)
task 'build', 'build the CoffeeScript language from source', build
task 'build:full', 'rebuild the source twice, and run the tests', ->
build ->
build ->
csPath = './lib/coffee-script'
csDir = path.dirname require.resolve csPath
for mod of require.cache when csDir is mod[0 ... csDir.length]
delete require.cache[mod]
unless runTests require csPath
process.exit 1
task 'build:parser', 'rebuild the Jison parser (run build first)', ->
helpers.extend global, require('util')
require 'jison'
parser = require('./lib/coffee-script/grammar').parser
fs.writeFile 'lib/coffee-script/parser.js', parser.generate()
task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
code = ''
for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'sourcemap', 'coffee-script', 'browser']
code += """
require['./#{name}'] = (function() {
var exports = {}, module = {exports: exports};
#{fs.readFileSync "lib/coffee-script/#{name}.js"}
return module.exports;
})();
"""
code = """
(function(root) {
var CoffeeScript = function() {
function require(path){ return require[path]; }
#{code}
return require['./coffee-script'];
}();
if (typeof define === 'function' && define.amd) {
define(function() { return CoffeeScript; });
} else {
root.CoffeeScript = CoffeeScript;
}
}(this));
"""
unless process.env.MINIFY is 'false'
{code} = require('uglify-js').minify code, fromString: true
fs.writeFileSync 'extras/coffee-script.js', header + '\n' + code
console.log "built ... running browser tests:"
invoke 'test:browser'
task 'doc:site', 'watch and continually rebuild the documentation for the website', ->
source = 'documentation/index.html.js'
exec 'bin/coffee -bc -o documentation/js documentation/coffee/*.coffee'
do renderIndex = ->
codeSnippetCounter = 0
rendered = _.template fs.readFileSync(source, 'utf-8'), codeFor: codeFor()
fs.writeFileSync 'index.html', rendered
log "compiled", green, "#{source}"
fs.watchFile source, internal: 200, renderIndex
log "watching..." , green
task 'doc:source', 'rebuild the internal documentation', ->
exec 'docco src/*.*coffee && cp -rf docs documentation && rm -r docs', (err) ->
throw err if err
task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
exec 'docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
throw err if err
task 'bench', 'quick benchmark of compilation time', ->
{Rewriter} = require './lib/coffee-script/rewriter'
sources = ['coffee-script', 'grammar', 'helpers', 'lexer', 'nodes', 'rewriter']
coffee = sources.map((name) -> fs.readFileSync "src/#{name}.coffee").join '\n'
litcoffee = fs.readFileSync("src/scope.litcoffee").toString()
fmt = (ms) -> " #{bold}#{ " #{ms}".slice -4 }#{reset} ms"
total = 0
now = Date.now()
time = -> total += ms = -(now - now = Date.now()); fmt ms
tokens = CoffeeScript.tokens coffee, rewrite: no
littokens = CoffeeScript.tokens litcoffee, rewrite: no, literate: yes
tokens = tokens.concat(littokens)
console.log "Lex #{time()} (#{tokens.length} tokens)"
tokens = new Rewriter().rewrite tokens
console.log "Rewrite#{time()} (#{tokens.length} tokens)"
nodes = CoffeeScript.nodes tokens
console.log "Parse #{time()}"
js = nodes.compile bare: yes
console.log "Compile#{time()} (#{js.length} chars)"
console.log "total #{ fmt total }"
# Run the CoffeeScript test suite.
runTests = (CoffeeScript) ->
CoffeeScript.register()
startTime = Date.now()
currentFile = null
passedTests = 0
failures = []
global[name] = func for name, func of require 'assert'
# Convenience aliases.
global.CoffeeScript = CoffeeScript
global.Repl = require './lib/coffee-script/repl'
# Our test helper function for delimiting different test cases.
global.test = (description, fn) ->
try
fn.test = {description, currentFile}
fn.call(fn)
++passedTests
catch e
failures.push
filename: currentFile
error: e
description: description if description?
source: fn.toString() if fn.toString?
# See http://wiki.ecmascript.org/doku.php?id=harmony:egal
egal = (a, b) ->
if a is b
a isnt 0 or 1/a is 1/b
else
a isnt a and b isnt b
# A recursive functional equivalence helper; uses egal for testing equivalence.
arrayEgal = (a, b) ->
if egal a, b then yes
else if a instanceof Array and b instanceof Array
return no unless a.length is b.length
return no for el, idx in a when not arrayEgal el, b[idx]
yes
global.eq = (a, b, msg) -> ok egal(a, b), msg ? "Expected #{a} to equal #{b}"
global.arrayEq = (a, b, msg) -> ok arrayEgal(a,b), msg ? "Expected #{a} to deep equal #{b}"
# When all the tests have run, collect and print errors.
# If a stacktrace is available, output the compiled function source.
process.on 'exit', ->
time = ((Date.now() - startTime) / 1000).toFixed(2)
message = "passed #{passedTests} tests in #{time} seconds#{reset}"
return log(message, green) unless failures.length
log "failed #{failures.length} and #{message}", red
for fail in failures
{error, filename, description, source} = fail
console.log ''
log " #{description}", red if description
log " #{error.stack}", red
console.log " #{source}" if source
return
# Run every test in the `test` folder, recording failures.
files = fs.readdirSync 'test'
for file in files when helpers.isCoffee file
literate = helpers.isLiterate file
currentFile = filename = path.join 'test', file
code = fs.readFileSync filename
try
CoffeeScript.run code.toString(), {filename, literate}
catch error
failures.push {filename, error}
return !failures.length
task 'test', 'run the CoffeeScript language test suite', ->
runTests CoffeeScript
task 'test:browser', 'run the test suite against the merged browser script', ->
source = fs.readFileSync 'extras/coffee-script.js', 'utf-8'
result = {}
global.testingBrowser = yes
(-> eval source).call result
runTests result.CoffeeScript

View File

@@ -1,4 +1,4 @@
Copyright (c) 2009-2014 Jeremy Ashkenas
Copyright (c) 2009 Jeremy Ashkenas
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
@@ -19,4 +19,4 @@ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
OTHER DEALINGS IN THE SOFTWARE.

66
README
View File

@@ -1,50 +1,38 @@
{
} } {
{ { } }
} }{ {
{ }{ } } _____ __ __
{ }{ }{ { } / ____| / _|/ _|
.- { { } { }} -. | | ___ | |_| |_ ___ ___
( { } { } { } } ) | | / _ \| _| _/ _ \/ _ \
|`-..________ ..-'| | |___| (_) | | | || __/ __/
=
{
} } {
{ { } }
} }{ {
{ }{ } } _____ __ __
( }{ }{ { ) / ____| / _|/ _|
.- { { } { }} -. | | ___ | |_| |_ ___ ___
( ( } { } { } } ) | | / _ \| _| _/ _ \/ _ \
|`-..________ ..-'| | |___| (_) | | | || __/ __/
| | \_____\___/|_| |_| \___|\___|
| ;--.
| (__ \ _____ _ _
| | ) ) / ____| (_) | |
| |/ / | (___ ___ _ __ _ _ __ | |_
| ;--.
| (__ \ _____ _ _
| | ) ) / ____| (_) | |
| |/ / | (___ ___ _ __ _ _ __ | |_
| ( / \___ \ / __| '__| | '_ \| __|
| |/ ____) | (__| | | | |_) | |_
| |/ ____) | (__| | | | |_) | |_
| | |_____/ \___|_| |_| .__/ \__|
`-.._________..-' | |
`-.._________..-' | |
|_|
CoffeeScript is a little language that compiles into JavaScript.
If you have the Node Package Manager installed:
npm install -g coffee-script
(Leave off the -g if you don't wish to install globally.)
Or, if you don't wish to use npm:
sudo bin/cake install
Execute a script:
coffee /path/to/script.coffee
Install the compiler:
gem install coffee-script
Compile a script:
coffee -c /path/to/script.coffee
coffee /path/to/script.coffee
For documentation, usage, and examples, see:
http://coffeescript.org/
To suggest a feature, report a bug, or general discussion:
http://jashkenas.github.com/coffee-script/
To suggest a feature or report a bug:
http://github.com/jashkenas/coffee-script/issues/
If you'd like to chat, drop by #coffeescript on Freenode IRC,
or on webchat.freenode.net.
The source repository:
git://github.com/jashkenas/coffee-script.git
Top 100 contributors are listed here:
http://github.com/jashkenas/coffee-script/contributors

59
Rakefile Normal file
View File

@@ -0,0 +1,59 @@
require 'erb'
require 'fileutils'
require 'rake/testtask'
desc "Run all tests"
task :test do
$LOAD_PATH.unshift(File.expand_path('test'))
require 'redgreen' if Gem.available?('redgreen')
require 'test/unit'
Dir['test/*/**/test_*.rb'].each {|test| require test }
end
namespace :build do
desc "Recompile the Racc parser (pass -v and -g for verbose debugging)"
task :parser, :racc_args do |t, args|
sh "racc #{args[:racc_args]} -o lib/coffee_script/parser.rb lib/coffee_script/grammar.y"
end
desc "Compile the Narwhal interface for --interactive and --run"
task :narwhal do
sh "bin/coffee lib/coffee_script/narwhal/*.coffee -o lib/coffee_script/narwhal/js"
end
end
desc "Build the documentation page"
task :doc do
source = 'documentation/index.html.erb'
child = fork { exec "bin/coffee documentation/coffee/*.coffee -o documentation/js -w" }
at_exit { Process.kill("INT", child) }
Signal.trap("INT") { exit }
loop do
mtime = File.stat(source).mtime
if !@mtime || mtime > @mtime
rendered = ERB.new(File.read(source)).result(binding)
File.open('index.html', 'w+') {|f| f.write(rendered) }
end
@mtime = mtime
sleep 1
end
end
namespace :gem do
desc 'Build and install the coffee-script gem'
task :install do
sh "gem build coffee-script.gemspec"
sh "sudo gem install #{Dir['*.gem'].join(' ')} --local --no-ri --no-rdoc"
end
desc 'Uninstall the coffee-script gem'
task :uninstall do
sh "sudo gem uninstall -x coffee-script"
end
end
task :default => :test

View File

@@ -1,7 +0,0 @@
#!/usr/bin/env node
var path = require('path');
var fs = require('fs');
var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
require(lib + '/coffee-script/cake').run();

View File

@@ -1,7 +1,5 @@
#!/usr/bin/env node
#!/usr/bin/env ruby
var path = require('path');
var fs = require('fs');
var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
require "#{File.dirname(__FILE__)}/../lib/coffee_script/command_line.rb"
require(lib + '/coffee-script/command').run();
CoffeeScript::CommandLine.new

26
coffee-script.gemspec Normal file
View File

@@ -0,0 +1,26 @@
Gem::Specification.new do |s|
s.name = 'coffee-script'
s.version = '0.1.6' # Keep version in sync with coffee-script.rb
s.date = '2009-12-27'
s.homepage = "http://jashkenas.github.com/coffee-script/"
s.summary = "The CoffeeScript Compiler"
s.description = <<-EOS
CoffeeScript is a little language that compiles into JavaScript. Think
of it as JavaScript's less ostentatious kid brother -- the same genes,
roughly the same height, but a different sense of style. Apart from a
handful of bonus goodies, statements in CoffeeScript correspond
one-to-one with their equivalent in JavaScript, it's just another
way of saying it.
EOS
s.authors = ['Jeremy Ashkenas']
s.email = 'jashkenas@gmail.com'
s.rubyforge_project = 'coffee-script'
s.has_rdoc = false
s.require_paths = ['lib']
s.executables = ['coffee']
s.files = Dir['bin/*', 'examples/*', 'lib/**/*', 'coffee-script.gemspec', 'LICENSE', 'README']
end

View File

@@ -1,11 +1,7 @@
launch() if ignition is on
volume = 10 if band isnt SpinalTap
volume: 10 if band isnt spinal_tap
letTheWildRumpusBegin() unless answer is no
let_the_wild_rumpus_begin() unless answer is no
if car.speed < limit then accelerate()
winner = yes if pick in [47, 92, 13]
print inspect "My name is #{@name}"
if car.speed < speed_limit then accelerate().

View File

@@ -1,10 +1,5 @@
# Eat lunch.
eat food for food in ['toast', 'cheese', 'wine']
lunch: food.eat() for food in ['toast', 'cheese', 'wine'].
# Fine five course dining.
courses = ['greens', 'caviar', 'truffles', 'roast', 'cake']
menu i + 1, dish for dish, i in courses
# Health conscious meal.
foods = ['broccoli', 'spinach', 'chocolate']
eat food for food in foods when food isnt 'chocolate'
# Zebra-stripe a table.
highlight(row) for row, i in table if i % 2 is 0.

View File

@@ -0,0 +1,2 @@
greeting: "Hello CoffeeScript"
difficulty: 0.5

View File

@@ -1,6 +0,0 @@
###
SkinnyMochaHalfCaffScript Compiler v1.0
Released under the MIT License
###

View File

@@ -1,9 +0,0 @@
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

View File

@@ -1,8 +0,0 @@
$ 'body'
.click (e) ->
$ '.box'
.fadeIn 'fast'
.addClass '.active'
.css 'background', 'white'

View File

@@ -1,25 +0,0 @@
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()

View File

@@ -1,5 +0,0 @@
cholesterol = 127
healthy = 200 > cholesterol > 60

View File

@@ -1,12 +1,9 @@
mood = greatlyImproved if singing
if happy and knowsIt
clapsHands()
chaChaCha()
else
showIt()
date = if friday then sue else jill
mood: greatly_improved if singing
if happy and knows_it
claps_hands()
cha_cha_cha().
date: if friday then sue else jill.
expensive ||= do_the_math()

View File

@@ -1,6 +0,0 @@
class Person
constructor: (options) ->
{@name, @age, @height} = options
tim = new Person age: 4

View File

@@ -1,8 +0,0 @@
fill = (container, liquid = "coffee") ->
"Filling the #{container} with #{liquid}..."

View File

@@ -1,4 +0,0 @@
for filename in list
do (filename) ->
fs.readFile filename, (err, contents) ->
compile filename, contents.toString()

View File

@@ -1,6 +1,5 @@
hi = `function() {
hi: `function() {
return [document.title, "Hello JavaScript"].join(": ");
}`

View File

@@ -1,13 +0,0 @@
solipsism = true if mind? and not world?
speed = 0
speed ?= 15
footprints = yeti ? "bear"

View File

@@ -1,7 +0,0 @@
text = "Every literary critic believes he will
outwit history and have the last word"
[first, ..., last] = text.split " "

View File

@@ -1,9 +1,9 @@
grade = (student) ->
if student.excellentWork
grade: student =>
if student.excellent_work
"A+"
else if student.okayStuff
if student.triedHard then "B" else "B-"
else if student.okay_stuff
if student.tried_hard then "B" else "B-".
else
"C"
"C"..
eldest = if 24 > 21 then "Liz" else "Ike"
eldest: if 24 > 21 then "Liz" else "Ike".

View File

@@ -1,3 +1 @@
six = (one = 1) + (two = 2) + (three = 3)
six: (one: 1) + (two: 2) + (three: 3)

View File

@@ -1,3 +0,0 @@
# The first ten global properties.
globals = (name for name of window)[0...10]

View File

@@ -1,7 +0,0 @@
alert(
try
nonexistent / undefined
catch error
"And the error is ... #{error}"
)

View File

@@ -1,6 +0,0 @@
Account = (customer, cart) ->
@customer = customer
@cart = cart
$('.shopping_cart').bind 'click', (event) =>
@customer.purchase @cart

View File

@@ -1,2 +1,2 @@
square = (x) -> x * x
cube = (x) -> square(x) * x
square: x => x * x.
cube: x => square(x) * x.

View File

@@ -1,6 +0,0 @@
html = """
<strong>
cup of coffeescript
</strong>
"""

View File

@@ -1,11 +0,0 @@
OPERATOR = /// ^ (
?: [-=]> # function
| [-+*/%<>&|^!?=]= # compound assign / compare
| >>>=? # zero-fill right shift
| ([-+:])\1 # doubles
| ([&|<>])\2=? # logic / shift
| \?\. # soak access
| \.{2,3} # range or splat
) ///

View File

@@ -1,9 +0,0 @@
author = "Wittgenstein"
quote = "A picture is a fact. -- #{ author }"
sentence = "#{ 22 / 7 } is a decent approximation of π"

View File

@@ -1,9 +0,0 @@
weatherReport = (location) ->
# Make an Ajax request to fetch the weather...
[location, 72, "Mostly Sunny"]
[city, temp, forecast] = weatherReport "Berkeley, CA"

View File

@@ -1,4 +0,0 @@
yearsOld = max: 10, ida: 9, tim: 11
ages = for child, age of yearsOld
"#{child} is #{age}"

View File

@@ -1,14 +0,0 @@
futurists =
sculptor: "Umberto Boccioni"
painter: "Vladimir Burliuk"
poet:
name: "F.T. Marinetti"
address: [
"Via Roma 42R"
"Bellagio, Italy 22021"
]
{poet: {name, address: [street, city]}} = futurists

View File

@@ -1,19 +1,6 @@
song = ["do", "re", "mi", "fa", "so"]
singers = {Jagger: "Rock", Elvis: "Roll"}
bitlist = [
1, 0, 1
0, 0, 1
1, 1, 0
]
kids =
brother:
name: "Max"
age: 11
sister:
name: "Ida"
age: 9
song: ["do", "re", "mi", "fa", "so"]
ages: {
max: 10
ida: 9
tim: 11
}

View File

@@ -1,5 +0,0 @@
$('.account').attr class: 'active'
log object.class

View File

@@ -1,28 +1,22 @@
# Assignment:
number = 42
opposite = true
number: 42
opposite_day: true
# Conditions:
number = -42 if opposite
number: -42 if opposite_day
# Functions:
square = (x) -> x * x
square: x => x * x.
# Arrays:
list = [1, 2, 3, 4, 5]
list: [1, 2, 3, 4, 5]
# Objects:
math =
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?
cube: x => x * square(x).
}
# Array comprehensions:
cubes = (math.cube num for num in list)
cubed_list: math.cube(num) for num in list.

View File

@@ -1,9 +0,0 @@
theBait = 1000
theSwitch = 0
[theBait, theSwitch] = [theSwitch, theBait]

View File

@@ -1,9 +0,0 @@
tag = "<impossible>"
[open, contents..., close] = tag.split("")

View File

@@ -1,3 +0,0 @@
String::dasherize = ->
this.replace /_/g, "-"

View File

@@ -1,2 +0,0 @@
countdown = (num for num in [10..1])

View File

@@ -1,5 +1,5 @@
outer = 1
changeNumbers = ->
inner = -1
outer = 10
inner = changeNumbers()
num: 1
change_numbers: =>
num: 2
new_num: 3.
new_num: change_numbers()

View File

@@ -1,9 +1,6 @@
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9]
numbers: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
start = numbers[0..2]
three_to_six: numbers[3..6]
middle = numbers[3...-2]
numbers_copy: numbers[0...numbers.length]
end = numbers[-2..]
copy = numbers[..]

View File

@@ -1 +0,0 @@
zip = lottery.drawWinner?().address?.zipcode

View File

@@ -1,27 +0,0 @@
gold = silver = rest = "unknown"
awardMedals = (first, second, others...) ->
gold = first
silver = second
rest = others
contenders = [
"Michael Phelps"
"Liu Xiang"
"Yao Ming"
"Allyson Felix"
"Shawn Johnson"
"Roman Sebrle"
"Guo Jingjing"
"Tyson Gay"
"Asafa Powell"
"Usain Bolt"
]
awardMedals contenders...
alert "Gold: " + gold
alert "Silver: " + silver
alert "The Field: " + rest

View File

@@ -1,7 +0,0 @@
numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
numbers[3..6] = [-3, -4, -5, -6]

View File

@@ -1,6 +1,8 @@
mobyDick = "Call me Ishmael. Some years ago --
never mind how long precisely -- having little
or no money in my purse, and nothing particular
to interest me on shore, I thought I would sail
about a little and see the watery part of the
world..."
moby_dick: "Call me Ishmael. Some years ago --
never mind how long precisely -- having little
or no money in my purse, and nothing particular
to interest me on shore, I thought I would sail
about a little and see the watery part of the
world..."

View File

@@ -0,0 +1,25 @@
Animal: => .
Animal.prototype.move: meters =>
alert(this.name + " moved " + meters + "m.").
Snake: name => this.name: name.
Snake extends Animal
Snake.prototype.move: =>
alert("Slithering...")
super(5).
Horse: name => this.name: name.
Horse extends Animal
Horse.prototype.move: =>
alert("Galloping...")
super(45).
sam: new Snake("Sammy the Python")
tom: new Horse("Tommy the Palomino")
sam.move()
tom.move()

View File

@@ -1,10 +1,9 @@
switch day
when "Mon" then go work
when "Tue" then go relax
when "Thu" then go iceFishing
when "Fri", "Sat"
if day is bingoDay
go bingo
go dancing
when "Sun" then go church
else go work
when "Tuesday" then eat_breakfast()
when "Wednesday" then go_to_the_park()
when "Saturday"
if day is bingo_day
go_to_bingo()
go_dancing().
when "Sunday" then go_to_church()
else go_to_work().

View File

@@ -1,8 +0,0 @@
score = 76
grade = switch
when score < 60 then 'F'
when score < 70 then 'D'
when score < 80 then 'C'
when score < 90 then 'B'
else 'A'
# grade == 'C'

View File

@@ -1,8 +1,7 @@
try
allHellBreaksLoose()
catsAndDogsLivingTogether()
all_hell_breaks_loose()
cats_and_dogs_living_together()
catch error
print error
print(error)
finally
cleanUp()
clean_up().

View File

@@ -1,10 +1,5 @@
# Econ 101
if this.studyingEconomics
buy() while supply > demand
sell() until supply > demand
while demand > supply
sell()
restock().
# Nursery Rhyme
num = 6
lyrics = while num -= 1
"#{num} little monkeys, jumping on the bed.
One fell out and bumped his head."
while supply > demand then buy().

147
documentation/css/amy.css Normal file
View File

@@ -0,0 +1,147 @@
pre.amy .PolymorphicVariants {
color: #60B0FF;
font-style: italic;
}
pre.amy .KeywordDecorator {
color: #D0D0FF;
}
pre.amy .Punctuation {
color: #805080;
}
pre.amy .InheritedClass {
}
pre.amy .InvalidDepricated {
background-color: #CC66FF;
color: #200020;
}
pre.amy .LibraryVariable {
}
pre.amy .TokenReferenceOcamlyacc {
color: #3CB0D0;
}
pre.amy .Storage {
color: #B0FFF0;
}
pre.amy .KeywordOperator {
color: #A0A0FF;
}
pre.amy .CharacterConstant {
color: #666666;
}
pre.amy .line-numbers {
background-color: #800000;
color: #000000;
}
pre.amy .ClassName {
color: #70E080;
}
pre.amy .Int64Constant {
font-style: italic;
}
pre.amy .NonTerminalReferenceOcamlyacc {
color: #C0F0F0;
}
pre.amy .TokenDefinitionOcamlyacc {
color: #3080A0;
}
pre.amy .ClassType {
color: #70E0A0;
}
pre.amy .ControlKeyword {
color: #80A0FF;
}
pre.amy .LineNumberDirectives {
text-decoration: underline;
color: #C080C0;
}
pre.amy .FloatingPointConstant {
text-decoration: underline;
}
pre.amy .Int32Constant {
font-weight: bold;
}
pre.amy .TagName {
color: #009090;
}
pre.amy .ModuleTypeDefinitions {
text-decoration: underline;
color: #B000B0;
}
pre.amy .Integer {
color: #7090B0;
}
pre.amy .Camlp4TempParser {
}
pre.amy .InvalidIllegal {
font-weight: bold;
background-color: #FFFF00;
color: #400080;
}
pre.amy .LibraryConstant {
background-color: #200020;
}
pre.amy .ModuleDefinitions {
color: #B000B0;
}
pre.amy .Variants {
color: #60B0FF;
}
pre.amy .CompilerDirectives {
color: #C080C0;
}
pre.amy .FloatingPointInfixOperator {
text-decoration: underline;
}
pre.amy .BuiltInConstant1 {
}
pre.amy {
background-color: #200020;
color: #D0D0FF;
}
pre.amy .FunctionArgument {
color: #80B0B0;
}
pre.amy .FloatingPointPrefixOperator {
text-decoration: underline;
}
pre.amy .NativeintConstant {
font-weight: bold;
}
pre.amy .BuiltInConstant {
color: #707090;
}
pre.amy .BooleanConstant {
color: #8080A0;
}
pre.amy .LibraryClassType {
}
pre.amy .TagAttribute {
}
pre.amy .Keyword {
color: #A080FF;
}
pre.amy .UserDefinedConstant {
}
pre.amy .String {
color: #999999;
}
pre.amy .Camlp4Code {
background-color: #350060;
}
pre.amy .NonTerminalDefinitionOcamlyacc {
color: #90E0E0;
}
pre.amy .FunctionName {
color: #50A0A0;
}
pre.amy .SupportModules {
color: #A00050;
}
pre.amy .Variable {
color: #008080;
}
pre.amy .Comment {
background-color: #200020;
color: #404080;
font-style: italic;
}

View File

@@ -1,40 +1,37 @@
body {
font-size: 14px;
line-height: 21px;
color: #333;
background: #f6f6f6 url(../images/background.png);
font-family: "Helvetica Neue", "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, sans-serif !important;
line-height: 20px;
background: #f3f3f9;
color: #191933;
font-family: Arial, Helvetica, sans-serif;
}
.container {
width: 950px;
margin: 0;
padding: 80px 0px 50px 50px;
div.container {
width: 850px;
margin: 50px 0 50px 50px;
}
p, li {
p {
padding-left: 13px;
width: 625px;
}
a {
color: #191933;
color: #000055;
}
h1, h2, h3, h4, h5, h6, b.header {
font-size: 18px;
color: #000;
h1, h2, h3, h4, h5, h6 {
padding-left: 13px;
margin-top: 40px;
margin-bottom: 15px;
text-shadow: #fff 0 1px 1px;
}
br.clear {
height: 0;
clear: both;
}
ul {
padding-left: 20px;
}
b.header {
color: #000055;
display: block;
margin: 40px 0 5px 0;
font-size: 16px;
}
li {
margin-bottom: 10px;
margin-bottom: 7px;
}
table {
margin: 16px 0 0 13px; padding: 0;
@@ -45,341 +42,46 @@ table {
}
td {
padding: 9px 15px 9px 0;
vertical-align: top;
}
table.definitions {
width: auto;
margin: 30px 0;
border-left: 5px solid rgba(0,0,0,0.2);;
}
table.definitions td {
text-align: center;
padding: 5px 20px;
}
code, pre, tt, textarea {
code, pre, tt {
font-family: Monaco, Consolas, "Lucida Console", monospace;
font-size: 12px;
line-height: 18px;
color: #155;
color: #191955;
white-space: pre-wrap;
word-wrap: break-word;
}
tt {
display: inline-block;
background: #fff;
background: #f8f8ff;
border: 1px solid #dedede;
font-size: 85%;
padding: 0px 0.2em;
}
pre {
border-left: 5px solid rgba(0,0,0,0.2);
border-left: 6px solid #222255;
margin-left: 13px;
padding: 3px 0 3px 12px;
font-size: 12px;
}
pre.no_bar {
border-left: 0;
margin-left: 0;
padding-left: 0;
}
.timestamp {
font-size: 12px;
font-weight: normal;
color: black;
}
.timestamp small {
font-size: 11px;
text-transform: uppercase;
}
div.code {
position: relative;
border: 1px solid #cacaca;
background: #fff;
border: 1px solid #d8d8d8;
-webkit-box-shadow: 0px 0px 4px rgba(0,0,0,0.23);
-moz-box-shadow: 0px 0px 4px rgba(0,0,0,0.23);
box-shadow: 0px 0px 4px rgba(0,0,0,0.23);
zoom: 1;
padding: 7px 0 10px 0;
-moz-border-radius: 5px; -webkit-border-radius: 5px; border-radius: 5px;
-webkit-box-shadow: 0px 0px 7px #cacaca;
}
div.code .minibutton {
text-transform: none;
div.code button {
position: absolute;
right: 8px; bottom: 8px;
}
div.code .load {
left: 8px; right: auto;
}
div.code pre, div.code textarea {
div.code pre {
float: left;
width: 450px;
background: #fff;
border-left: 1px dotted #d0d0d0;
margin: 10px 0 15px 3px;
width: 410px;
border-left: 1px dotted #559;
padding: 0 0 0 12px;
margin: 0;
}
div.code pre:first-child {
border-left: 0;
}
#fadeout {
z-index: 50;
position: fixed;
left: 0; top: 0; right: 0;
height: 100px;
background: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 255)), to(rgba(255, 255, 255, 0)));
background: -moz-linear-gradient(top, rgba(255, 255, 255, 255), rgba(255, 255, 255, 0));
}
#flybar {
position: fixed;
z-index: 100;
height: 50px;
min-width: 490px;
left: 40px; right: 40px; top: 25px;
padding-left: 252px;
background: #eee;
background: -webkit-gradient(linear, left top, left bottom, from(#f8f8f8), to(#dadada));
background: -moz-linear-gradient(top, #f8f8f8, #dadada);
border: 1px solid #aaa;
border-top: 1px solid #bbb;
border-bottom: 1px solid #888;
-webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px;
-webkit-box-shadow: 0 3px 5px rgba(0,0,0,0.1);
-moz-box-shadow: 0 3px 5px rgba(0,0,0,0.1);
box-shadow: 0 3px 5px rgba(0,0,0,0.1);
}
#logo {
display: block;
outline: none;
position: absolute;
top: 0px; left: 10px;
}
#logo img {
margin: 5px 0 0 3px;
}
#error {
position: absolute;
-webkit-border-radius: 2px; -moz-border-radius: 2px; border-radius: 2px;
-webkit-border-top-left-radius: 0; -moz-border-radius-topleft: 0; border-top-left-radius: 0;
-webkit-border-bottom-left-radius: 0; -moz-border-radius-bottomleft: 0; border-bottom-left-radius: 0;
right: 0px; top: 0px; left: 726px; bottom: 0;
padding: 0 0 0 15px;
background: #fdcdcc;
background: -webkit-gradient(linear, left top, left bottom, from(#ffedec), to(#ff9a95));
background: -moz-linear-gradient(top, #f8f8f8, #dadada);
color: #862322;
font-size: 10px;
line-height: 50px;
overflow: hidden;
text-transform: uppercase;
}
.navigation {
height: 50px;
font-size: 11px;
line-height: 50px;
text-transform: uppercase;
position: relative;
float: left;
padding: 0 20px;
border: 1px solid #aaa;
border-top: 0; border-bottom: 0; border-left-width: 0;
cursor: pointer;
}
.navigation.toc {
border-left-width: 1px;
}
.navigation:hover,
.navigation.active {
background: #eee;
background: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#f8f8f8));
background: -moz-linear-gradient(top, #eee, #f8f8f8);
}
.navigation.active {
height: 51px;
color: #000;
background: -webkit-gradient(linear, left top, left bottom, from(#e5e5e5), to(#fff));
background: -moz-linear-gradient(top, #e5e5e5, #fff);
}
.navigation .button {
font-weight: bold;
}
.navigation .button::selection {
background: transparent;
}
.navigation .contents {
display: none;
position: absolute;
background: #fff;
opacity: 0.97;
top: 51px; left: 0;
padding: 5px 0;
margin-left: -1px;
border: 1px solid #aaa;
-webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px;
-webkit-box-shadow: 0 3px 5px rgba(0,0,0,0.2);
-moz-box-shadow: 0 3px 5px rgba(0,0,0,0.2);
box-shadow: 0 3px 5px rgba(0,0,0,0.2);
}
.navigation .contents a {
display: block;
width: 290px;
text-transform: none;
text-decoration: none;
height: 12px;
line-height: 12px;
padding: 4px 10px;
border: 1px solid transparent;
border-left: 0; border-right: 0;
}
.navigation .contents a:hover {
border-color: #ddd;
background: #eee;
}
.navigation.active .contents {
display: block;
}
.navigation .contents.menu {
border-top: 0;
-webkit-border-top-left-radius: 0; -moz-border-radius-topleft: 0; border-top-left-radius: 0;
-webkit-border-top-right-radius: 0; -moz-border-radius-topright: 0; border-top-right-radius: 0;
}
.navigation .contents.repl_wrapper {
padding: 0;
position: fixed;
width: auto; height: auto;
left: 40px; top: 90px; right: 40px; bottom: 30px;
background: -webkit-gradient(linear, left top, left bottom, from(#fafafa), to(#eaeaea));
}
.navigation .repl_bridge {
position: absolute;
height: 12px;
left: -1px; right: -1px;
bottom: -14px;
border: 1px solid #aaa;
z-index: 5;
background: #fff;
display: none;
border-top-color: #fff; border-bottom-color: #fff;
}
.navigation.active .repl_bridge {
display: block;
}
.navigation .code .minibutton {
top: 10px; right: 10px;
width: 40px;
text-transform: none;
}
.navigation .code a.minibutton.permalink {
top: 38px;
display: block;
}
.bookmark {
display: block;
width: 0; height: 0;
position: relative;
top: -90px;
}
.navigation .contents.repl_wrapper .code {
cursor: text;
-webkit-box-shadow: none; -moz-box-shadow: none; box-shadow: none;
background: #181a3a url(../images/banding.png);
border: 2px solid #555;
padding: 0;
position: absolute;
top: 15px; left: 15px; right: 15px; bottom: 15px;
}
.repl_wrapper .screenshadow {
position: absolute;
width: 200px; height: 150px;
background: url(../images/screenshadow.png?2);
}
.repl_wrapper .screenshadow.tl {
top: 0; left: 0;
background-position: 0 0;
}
.repl_wrapper .screenshadow.tr {
top: 0; right: 0;
background-position: -200px 0;
}
.repl_wrapper .screenshadow.bl {
bottom: 0; left: 0;
background-position: 0 -150px;
}
.repl_wrapper .screenshadow.br {
bottom: 0; right: 0;
background-position: -200px -150px;
}
#repl_source, #repl_results {
background: transparent;
outline: none;
margin: 5px 0 20px;
color: #def;
}
#repl_results, #repl_source_wrap {
width: auto; height: auto;
position: absolute;
margin-bottom: 0;
top: 10px; left: 10px; right: 10px; bottom: 15px;
}
#repl_source_wrap {
margin-left: 5px;
width: 47%; right: 50%;
float: left;
}
#repl_source {
padding-left: 5px;
width: 100%;
height: 100%;
border: 0;
overflow-y: auto;
resize: none;
}
#repl_results_wrap {
white-space: pre;
}
#repl_results {
text-transform: none;
overflow-y: auto;
left: 50%;
border-left-color: #555;
}
/*----------------------------- Mini Buttons ---------------------------------*/
.minibutton {
cursor: pointer;
color: #333;
text-shadow: #eee 0 1px 1px;
font-weight: bold;
font-size: 11px;
line-height: 11px;
padding: 5px 10px 6px;
height: 11px;
text-align: center;
-webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px;
box-shadow: 0 1px 2px rgba(0,0,0,0.2); -webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.2); -moz-box-shadow: 0 1px 2px rgba(0,0,0,0.2);
border: 1px solid #b2b2b2; border-top-color: #c9c9c9; border-bottom-color: #9a9a9a;
background: url(../images/button_bg.png) repeat-x left top;
}
.minibutton:active {
border-color: #aaa;
box-shadow: 0 1px 2px #e4e4e4; -webkit-box-shadow: 0 1px 2px #e4e4e4; -moz-box-shadow: 0 1px 2px #e4e4e4;
}
.minibutton::selection {
background: transparent;
}
.minibutton ::-moz-selection {
background: transparent;
}
.minibutton.ok {
color: #fff;
background-image: url(../images/button_bg_green.gif);
border-color: #4ba47c; border-top-color: #53b388; border-bottom-color: #459671;
text-shadow: #aaa 0 -1px 0;
}
.minibutton.dark {
border: 0;
color: #fff;
box-shadow: none; -webkit-box-shadow: none; -moz-box-shadow: none;
background-image: url(../images/button_bg_dark.gif);
text-shadow: none;
}
}

View File

@@ -0,0 +1,62 @@
pre.idle .InheritedClass {
}
pre.idle .TypeName {
color: #21439C;
}
pre.idle .Number {
}
pre.idle .LibraryVariable {
color: #A535AE;
}
pre.idle .Storage {
color: #FF5600;
}
pre.idle .line-numbers {
background-color: #BAD6FD;
color: #000000;
}
pre.idle {
background-color: #FFFFFF;
color: #000000;
}
pre.idle .StringInterpolation {
color: #990000;
}
pre.idle .TagName {
}
pre.idle .LibraryConstant {
color: #A535AE;
}
pre.idle .FunctionArgument {
}
pre.idle .BuiltInConstant {
color: #A535AE;
}
pre.idle .Invalid {
background-color: #990000;
color: #FFFFFF;
}
pre.idle .LibraryClassType {
color: #A535AE;
}
pre.idle .LibraryFunction {
color: #A535AE;
}
pre.idle .TagAttribute {
}
pre.idle .Keyword {
color: #FF5600;
}
pre.idle .UserDefinedConstant {
}
pre.idle .String {
color: #00A33F;
}
pre.idle .FunctionName {
color: #21439C;
}
pre.idle .Variable {
}
pre.idle .Comment {
color: #919191;
}

View File

@@ -1,66 +0,0 @@
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
/* Original code:; http://softwaremaniacs.org/media/soft/highlight/styles/tomorrow.css */
/* But forked for CoffeeScript */
.tomorrow-comment, pre .comment, pre .title {
color: #8e908c;
}
.tomorrow-red, pre .variable, pre .tag, pre .regexp, pre .ruby .constant, pre .xml .tag .title, pre .xml .pi, pre .xml .doctype, pre .html .doctype, pre .css .id, pre .css .class, pre .css .pseudo {
color: #c82829;
}
.tomorrow-orange, pre .number, pre .preprocessor, pre .built_in, pre .params, pre .constant {
color: #000000;
}
.tomorrow-yellow, pre .class, pre .ruby .class .title, pre .css .rules .attribute {
color: #eab700;
}
.tomorrow-green, pre .string, pre .value, pre .inheritance, pre .header, pre .ruby .symbol, pre .xml .cdata {
color: #718c00;
}
.tomorrow-aqua, pre .css .hexcolor {
color: #3e999f;
}
.tomorrow-blue, pre .function, pre .function .title, pre .python .decorator, pre .python .title, pre .ruby .function .title, pre .ruby .title .keyword, pre .perl .sub, pre .javascript .title, pre .coffeescript .title {
color: #21439C;
}
.tomorrow-purple, pre .keyword, pre .reserved, pre .javascript .function {
color: #FF5600;
}
pre .subst {
color: #A535AE;
}
pre .literal {
color: #A535AE;
}
pre .property {
color: #A535AE;
}
pre .class .title {
color: #21439C;
}
pre code {
display: block;
background: white;
color: #000000;
}
pre .coffeescript .javascript,
pre .javascript .xml,
pre .tex .formula,
pre .xml .javascript,
pre .xml .vbscript,
pre .xml .css,
pre .xml .cdata {
opacity: 0.5;
}

View File

@@ -1,290 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>browser.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
</head>
<body>
<div id="container">
<div id="background"></div>
<ul id="jump_to">
<li>
<a class="large" href="javascript:void(0);">Jump To &hellip;</a>
<a class="small" href="javascript:void(0);">+</a>
<div id="jump_wrapper">
<div id="jump_page">
<a class="source" href="browser.html">
browser.coffee
</a>
<a class="source" href="cake.html">
cake.coffee
</a>
<a class="source" href="coffee-script.html">
coffee-script.coffee
</a>
<a class="source" href="command.html">
command.coffee
</a>
<a class="source" href="grammar.html">
grammar.coffee
</a>
<a class="source" href="helpers.html">
helpers.coffee
</a>
<a class="source" href="index.html">
index.coffee
</a>
<a class="source" href="lexer.html">
lexer.coffee
</a>
<a class="source" href="nodes.html">
nodes.coffee
</a>
<a class="source" href="optparse.html">
optparse.coffee
</a>
<a class="source" href="repl.html">
repl.coffee
</a>
<a class="source" href="rewriter.html">
rewriter.coffee
</a>
<a class="source" href="scope.html">
scope.litcoffee
</a>
<a class="source" href="sourcemap.html">
sourcemap.litcoffee
</a>
</div>
</li>
</ul>
<ul class="sections">
<li id="title">
<div class="annotation">
<h1>browser.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>This <strong>Browser</strong> compatibility layer extends core CoffeeScript functions
to make things work smoothly when compiling code directly in the browser.
We add support for loading remote Coffee scripts via <strong>XHR</strong>, and
<code>text/coffeescript</code> script tags, source maps via data-URLs, and so on.
</p>
</div>
<div class="content"><div class='highlight'><pre>
CoffeeScript = require <span class="string">'./coffee-script'</span>
CoffeeScript.require = require
compile = CoffeeScript.compile</pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Use standard JavaScript <code>eval</code> to eval code.
</p>
</div>
<div class="content"><div class='highlight'><pre>CoffeeScript.<span class="function"><span class="title">eval</span></span> = (code, options = {}) -&gt;
options.bare ?= <span class="literal">on</span>
eval compile code, options</pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Running code does not provide access to this scope.
</p>
</div>
<div class="content"><div class='highlight'><pre>CoffeeScript.<span class="function"><span class="title">run</span></span> = (code, options = {}) -&gt;
options.bare = <span class="literal">on</span>
options.shiftLine = <span class="literal">on</span>
Function(compile code, options)()</pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>If we&#39;re not in a browser environment, we&#39;re finished with the public API.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="keyword">return</span> <span class="keyword">unless</span> window?</pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>Include source maps where possible. If we&#39;ve got a base64 encoder, a
JSON serializer, and tools for escaping unicode characters, we&#39;re good to go.
Ported from <a href="https://developer.mozilla.org/en-US/docs/DOM/window.btoa">https://developer.mozilla.org/en-US/docs/DOM/window.btoa</a>
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="keyword">if</span> btoa? <span class="keyword">and</span> JSON? <span class="keyword">and</span> unescape? <span class="keyword">and</span> encodeURIComponent?
<span class="function"><span class="title">compile</span></span> = (code, options = {}) -&gt;
options.sourceMap = <span class="literal">true</span>
options.inline = <span class="literal">true</span>
{js, v3SourceMap} = CoffeeScript.compile code, options
<span class="string">"<span class="subst">#{js}</span>\n//@ sourceMappingURL=data:application/json;base64,<span class="subst">#{btoa unescape encodeURIComponent v3SourceMap}</span>\n//@ sourceURL=coffeescript"</span></pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Load a remote script from the current domain via XHR.
</p>
</div>
<div class="content"><div class='highlight'><pre>CoffeeScript.<span class="function"><span class="title">load</span></span> = (url, callback, options = {}) -&gt;
options.sourceFiles = [url]
xhr = <span class="keyword">if</span> window.ActiveXObject
<span class="keyword">new</span> window.ActiveXObject(<span class="string">'Microsoft.XMLHTTP'</span>)
<span class="keyword">else</span>
<span class="keyword">new</span> window.XMLHttpRequest()
xhr.open <span class="string">'GET'</span>, url, <span class="literal">true</span>
xhr.overrideMimeType <span class="string">'text/plain'</span> <span class="keyword">if</span> <span class="string">'overrideMimeType'</span> <span class="keyword">of</span> xhr
xhr.<span class="function"><span class="title">onreadystatechange</span></span> = -&gt;
<span class="keyword">if</span> xhr.readyState <span class="keyword">is</span> <span class="number">4</span>
<span class="keyword">if</span> xhr.status <span class="keyword">in</span> [<span class="number">0</span>, <span class="number">200</span>]
CoffeeScript.run xhr.responseText, options
<span class="keyword">else</span>
<span class="keyword">throw</span> <span class="keyword">new</span> Error <span class="string">"Could not load <span class="subst">#{url}</span>"</span>
callback() <span class="keyword">if</span> callback
xhr.send <span class="literal">null</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Activate CoffeeScript in the browser by having it compile and evaluate
all script tags with a content-type of <code>text/coffeescript</code>.
This happens on page load.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">runScripts</span></span> = -&gt;
scripts = window.document.getElementsByTagName <span class="string">'script'</span>
coffeetypes = [<span class="string">'text/coffeescript'</span>, <span class="string">'text/literate-coffeescript'</span>]
coffees = (s <span class="keyword">for</span> s <span class="keyword">in</span> scripts <span class="keyword">when</span> s.type <span class="keyword">in</span> coffeetypes)
index = <span class="number">0</span>
length = coffees.length
<span class="keyword">do</span> <span class="function"><span class="title">execute</span></span> = -&gt;
script = coffees[index++]
mediatype = script?.type
<span class="keyword">if</span> mediatype <span class="keyword">in</span> coffeetypes
options = {literate: mediatype <span class="keyword">is</span> <span class="string">'text/literate-coffeescript'</span>}
<span class="keyword">if</span> script.src
CoffeeScript.load script.src, execute, options
<span class="keyword">else</span>
options.sourceFiles = [<span class="string">'embedded'</span>]
CoffeeScript.run script.innerHTML, options
execute()
<span class="literal">null</span></pre></div></div>
</li>
<li id="section-8">
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</div>
<p>Listen for window load, both in decent browsers and in IE.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="keyword">if</span> window.addEventListener
window.addEventListener <span class="string">'DOMContentLoaded'</span>, runScripts, <span class="literal">no</span>
<span class="keyword">else</span>
window.attachEvent <span class="string">'onload'</span>, runScripts</pre></div></div>
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<h1>cake.coffee</h1>
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<p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="http://github.com/280north/jake">Jake</a>)
for CoffeeScript. You define tasks with names and descriptions in a Cakefile,
and can call them from the command line, or invoke them from other tasks.
</p>
<p>Running <code>cake</code> with no arguments will print out a list of all the tasks in the
current directory&#39;s Cakefile.
</p>
</div>
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<p>External dependencies.
</p>
</div>
<div class="content"><div class='highlight'><pre>fs = require <span class="string">'fs'</span>
path = require <span class="string">'path'</span>
helpers = require <span class="string">'./helpers'</span>
optparse = require <span class="string">'./optparse'</span>
CoffeeScript = require <span class="string">'./coffee-script'</span>
existsSync = fs.existsSync <span class="keyword">or</span> path.existsSync</pre></div></div>
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<p>Keep track of the list of defined tasks, the accepted options, and so on.
</p>
</div>
<div class="content"><div class='highlight'><pre>tasks = {}
options = {}
switches = []
oparse = <span class="literal">null</span></pre></div></div>
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<p>Mixin the top-level Cake functions for Cakefiles to use directly.
</p>
</div>
<div class="content"><div class='highlight'><pre>helpers.extend global,</pre></div></div>
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</div>
<p>Define a Cake task with a short name, an optional sentence description,
and the function to run as the action itself.
</p>
</div>
<div class="content"><div class='highlight'><pre> task: (name, description, action) -&gt;
[action, description] = [description, action] <span class="keyword">unless</span> action
tasks[name] = {name, description, action}</pre></div></div>
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<p>Define an option that the Cakefile accepts. The parsed options hash,
containing all of the command-line options passed, will be made available
as the first argument to the action.
</p>
</div>
<div class="content"><div class='highlight'><pre> option: (letter, flag, description) -&gt;
switches.push [letter, flag, description]</pre></div></div>
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</div>
<p>Invoke another task in the current Cakefile.
</p>
</div>
<div class="content"><div class='highlight'><pre> invoke: (name) -&gt;
missingTask name <span class="keyword">unless</span> tasks[name]
tasks[name].action options</pre></div></div>
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</div>
<p>Run <code>cake</code>. Executes all of the tasks you pass, in order. Note that Node&#39;s
asynchrony may cause tasks to execute in a different order than you&#39;d expect.
If no tasks are passed, print the help screen. Keep a reference to the
original directory name, when running Cake tasks from subdirectories.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">run</span></span> = -&gt;
global.__originalDirname = fs.realpathSync <span class="string">'.'</span>
process.chdir cakefileDirectory __originalDirname
args = process.argv[<span class="number">2.</span>.]
CoffeeScript.run fs.readFileSync(<span class="string">'Cakefile'</span>).toString(), filename: <span class="string">'Cakefile'</span>
oparse = <span class="keyword">new</span> optparse.OptionParser switches
<span class="keyword">return</span> printTasks() <span class="keyword">unless</span> args.length
<span class="keyword">try</span>
options = oparse.parse(args)
<span class="keyword">catch</span> e
<span class="keyword">return</span> fatalError <span class="string">"<span class="subst">#{e}</span>"</span>
invoke arg <span class="keyword">for</span> arg <span class="keyword">in</span> options.arguments</pre></div></div>
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</div>
<p>Display the list of Cake tasks in a format similar to <code>rake -T</code>
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">printTasks</span></span> = -&gt;
relative = path.relative <span class="keyword">or</span> path.resolve
cakefilePath = path.join relative(__originalDirname, process.cwd()), <span class="string">'Cakefile'</span>
console.log <span class="string">"<span class="subst">#{cakefilePath}</span> defines the following tasks:\n"</span>
<span class="keyword">for</span> name, task <span class="keyword">of</span> tasks
spaces = <span class="number">20</span> - name.length
spaces = <span class="keyword">if</span> spaces &gt; <span class="number">0</span> <span class="keyword">then</span> Array(spaces + <span class="number">1</span>).join(<span class="string">' '</span>) <span class="keyword">else</span> <span class="string">''</span>
desc = <span class="keyword">if</span> task.description <span class="keyword">then</span> <span class="string">"# <span class="subst">#{task.description}</span>"</span> <span class="keyword">else</span> <span class="string">''</span>
console.log <span class="string">"cake <span class="subst">#{name}</span><span class="subst">#{spaces}</span> <span class="subst">#{desc}</span>"</span>
console.log oparse.help() <span class="keyword">if</span> switches.length</pre></div></div>
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</div>
<p>Print an error and exit when attempting to use an invalid task/option.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">fatalError</span></span> = (message) -&gt;
console.error message + <span class="string">'\n'</span>
console.log <span class="string">'To see a list of all tasks/options, run "cake"'</span>
process.exit <span class="number">1</span>
<span class="function"><span class="title">missingTask</span></span> = (task) -&gt; fatalError <span class="string">"No such task: <span class="subst">#{task}</span>"</span></pre></div></div>
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</div>
<p>When <code>cake</code> is invoked, search in the current and all parent directories
to find the relevant Cakefile.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">cakefileDirectory</span></span> = (dir) -&gt;
<span class="keyword">return</span> dir <span class="keyword">if</span> existsSync path.join dir, <span class="string">'Cakefile'</span>
parent = path.normalize path.join dir, <span class="string">'..'</span>
<span class="keyword">return</span> cakefileDirectory parent <span class="keyword">unless</span> parent <span class="keyword">is</span> dir
<span class="keyword">throw</span> <span class="keyword">new</span> Error <span class="string">"Cakefile not found in <span class="subst">#{process.cwd()}</span>"</span></pre></div></div>
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@@ -1,874 +0,0 @@
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<h1>coffee-script.coffee</h1>
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<li id="section-1">
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<p>CoffeeScript can be used both on the server, as a command-line compiler based
on Node.js/V8, or to run CoffeeScript directly in the browser. This module
contains the main entry functions for tokenizing, parsing, and compiling
source CoffeeScript into JavaScript.
</p>
</div>
<div class="content"><div class='highlight'><pre>
fs = require <span class="string">'fs'</span>
vm = require <span class="string">'vm'</span>
path = require <span class="string">'path'</span>
child_process = require <span class="string">'child_process'</span>
{Lexer} = require <span class="string">'./lexer'</span>
{parser} = require <span class="string">'./parser'</span>
helpers = require <span class="string">'./helpers'</span>
SourceMap = require <span class="string">'./sourcemap'</span></pre></div></div>
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<p>The current CoffeeScript version number.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.VERSION = <span class="string">'1.6.3'</span></pre></div></div>
</li>
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<p>Expose helpers for testing.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.helpers = helpers</pre></div></div>
</li>
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<p>Compile CoffeeScript code to JavaScript, using the Coffee/Jison compiler.
</p>
<p>If <code>options.sourceMap</code> is specified, then <code>options.filename</code> must also be specified. All
options that can be passed to <code>SourceMap#generate</code> may also be passed here.
</p>
<p>This returns a javascript string, unless <code>options.sourceMap</code> is passed,
in which case this returns a <code>{js, v3SourceMap, sourceMap}</code>
object, where sourceMap is a sourcemap.coffee#SourceMap object, handy for doing programatic
lookups.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.compile = <span class="function"><span class="title">compile</span></span> = (code, options = {}) -&gt;
{merge} = helpers
<span class="keyword">if</span> options.sourceMap
map = <span class="keyword">new</span> SourceMap
fragments = parser.parse(lexer.tokenize code, options).compileToFragments options
currentLine = <span class="number">0</span>
currentLine += <span class="number">1</span> <span class="keyword">if</span> options.header
currentLine += <span class="number">1</span> <span class="keyword">if</span> options.shiftLine
currentColumn = <span class="number">0</span>
js = <span class="string">""</span>
<span class="keyword">for</span> fragment <span class="keyword">in</span> fragments</pre></div></div>
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</div>
<p>Update the sourcemap with data from each fragment
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">if</span> options.sourceMap
<span class="keyword">if</span> fragment.locationData
map.add(
[fragment.locationData.first_line, fragment.locationData.first_column]
[currentLine, currentColumn]
{noReplace: <span class="literal">true</span>})
newLines = helpers.count fragment.code, <span class="string">"\n"</span>
currentLine += newLines
currentColumn = fragment.code.length - (<span class="keyword">if</span> newLines <span class="keyword">then</span> fragment.code.lastIndexOf <span class="string">"\n"</span> <span class="keyword">else</span> <span class="number">0</span>)</pre></div></div>
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</div>
<p>Copy the code from each fragment into the final JavaScript.
</p>
</div>
<div class="content"><div class='highlight'><pre> js += fragment.code
<span class="keyword">if</span> options.header
header = <span class="string">"Generated by CoffeeScript <span class="subst">#{@VERSION}</span>"</span>
js = <span class="string">"// <span class="subst">#{header}</span>\n<span class="subst">#{js}</span>"</span>
<span class="keyword">if</span> options.sourceMap
answer = {js}
answer.sourceMap = map
answer.v3SourceMap = map.generate(options, code)
answer
<span class="keyword">else</span>
js</pre></div></div>
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</div>
<p>Tokenize a string of CoffeeScript code, and return the array of tokens.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">tokens</span></span> = (code, options) -&gt;
lexer.tokenize code, options</pre></div></div>
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</div>
<p>Parse a string of CoffeeScript code or an array of lexed tokens, and
return the AST. You can then compile it by calling <code>.compile()</code> on the root,
or traverse it by using <code>.traverseChildren()</code> with a callback.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">nodes</span></span> = (source, options) -&gt;
<span class="keyword">if</span> <span class="keyword">typeof</span> source <span class="keyword">is</span> <span class="string">'string'</span>
parser.parse lexer.tokenize source, options
<span class="keyword">else</span>
parser.parse source</pre></div></div>
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</div>
<p>Compile and execute a string of CoffeeScript (on the server), correctly
setting <code>__filename</code>, <code>__dirname</code>, and relative <code>require()</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">run</span></span> = (code, options = {}) -&gt;
mainModule = require.main
options.sourceMap ?= <span class="literal">true</span></pre></div></div>
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</div>
<p>Set the filename.
</p>
</div>
<div class="content"><div class='highlight'><pre> mainModule.filename = process.argv[<span class="number">1</span>] =
<span class="keyword">if</span> options.filename <span class="keyword">then</span> fs.realpathSync(options.filename) <span class="keyword">else</span> <span class="string">'.'</span></pre></div></div>
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<p>Clear the module cache.
</p>
</div>
<div class="content"><div class='highlight'><pre> mainModule.moduleCache <span class="keyword">and</span>= {}</pre></div></div>
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</div>
<p>Assign paths for node_modules loading
</p>
</div>
<div class="content"><div class='highlight'><pre> mainModule.paths = require(<span class="string">'module'</span>)._nodeModulePaths path.dirname fs.realpathSync options.filename <span class="keyword">or</span> <span class="string">'.'</span></pre></div></div>
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<p>Compile.
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">if</span> <span class="keyword">not</span> helpers.isCoffee(mainModule.filename) <span class="keyword">or</span> require.extensions
answer = compile(code, options)</pre></div></div>
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</div>
<p>Attach sourceMap object to sourceMaps[options.filename] so that
it is accessible by Error.prepareStackTrace.
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">do</span> patchStackTrace
sourceMaps[mainModule.filename] = answer.sourceMap
mainModule._compile answer.js, mainModule.filename
<span class="keyword">else</span>
mainModule._compile code, mainModule.filename</pre></div></div>
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<p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
The CoffeeScript REPL uses this to run the input.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">eval</span></span> = (code, options = {}) -&gt;
<span class="keyword">return</span> <span class="keyword">unless</span> code = code.trim()
Script = vm.Script
<span class="keyword">if</span> Script
<span class="keyword">if</span> options.sandbox?
<span class="keyword">if</span> options.sandbox <span class="keyword">instanceof</span> Script.createContext().constructor
sandbox = options.sandbox
<span class="keyword">else</span>
sandbox = Script.createContext()
sandbox[k] = v <span class="keyword">for</span> own k, v <span class="keyword">of</span> options.sandbox
sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox
<span class="keyword">else</span>
sandbox = global
sandbox.__filename = options.filename || <span class="string">'eval'</span>
sandbox.__dirname = path.dirname sandbox.__filename</pre></div></div>
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</div>
<p>define module/require only if they chose not to specify their own
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">unless</span> sandbox <span class="keyword">isnt</span> global <span class="keyword">or</span> sandbox.module <span class="keyword">or</span> sandbox.require
Module = require <span class="string">'module'</span>
sandbox.module = _module = <span class="keyword">new</span> Module(options.modulename || <span class="string">'eval'</span>)
sandbox.require = <span class="function"><span class="title">_require</span></span> = (path) -&gt; Module._load path, _module, <span class="literal">true</span>
_module.filename = sandbox.__filename
_require[r] = require[r] <span class="keyword">for</span> r <span class="keyword">in</span> Object.getOwnPropertyNames require <span class="keyword">when</span> r <span class="keyword">isnt</span> <span class="string">'paths'</span></pre></div></div>
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<p>use the same hack node currently uses for their own REPL
</p>
</div>
<div class="content"><div class='highlight'><pre> _require.paths = _module.paths = Module._nodeModulePaths process.cwd()
_require.<span class="function"><span class="title">resolve</span></span> = (request) -&gt; Module._resolveFilename request, _module
o = {}
o[k] = v <span class="keyword">for</span> own k, v <span class="keyword">of</span> options
o.bare = <span class="literal">on</span> <span class="comment"># ensure return value</span>
js = compile code, o
<span class="keyword">if</span> sandbox <span class="keyword">is</span> global
vm.runInThisContext js
<span class="keyword">else</span>
vm.runInContext js, sandbox</pre></div></div>
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<p>Load and run a CoffeeScript file for Node, stripping any <code>BOM</code>s.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">loadFile</span></span> = (module, filename) -&gt;
raw = fs.readFileSync filename, <span class="string">'utf8'</span>
stripped = <span class="keyword">if</span> raw.charCodeAt(<span class="number">0</span>) <span class="keyword">is</span> <span class="number">0xFEFF</span> <span class="keyword">then</span> raw.substring <span class="number">1</span> <span class="keyword">else</span> raw
answer = compile(stripped, {filename, sourceMap: <span class="literal">true</span>, literate: helpers.isLiterate filename})
sourceMaps[filename] = answer.sourceMap
module._compile answer.js, filename</pre></div></div>
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<p>If the installed version of Node supports <code>require.extensions</code>, register
CoffeeScript as an extension.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="keyword">if</span> require.extensions
<span class="keyword">for</span> ext <span class="keyword">in</span> [<span class="string">'.coffee'</span>, <span class="string">'.litcoffee'</span>, <span class="string">'.coffee.md'</span>]
require.extensions[ext] = loadFile</pre></div></div>
</li>
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<p>Patch Node&#39;s module loader to be able to handle mult-dot extensions.
This is a horrible thing that should not be required. Perhaps, one day,
when a truly benevolent dictator comes to rule over the Republik of Node,
it won&#39;t be.
</p>
</div>
<div class="content"><div class='highlight'><pre> Module = require <span class="string">'module'</span>
<span class="function"><span class="title">findExtension</span></span> = (filename) -&gt;
extensions = path.basename(filename).split <span class="string">'.'</span></pre></div></div>
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<p>Remove the initial dot from dotfiles.
</p>
</div>
<div class="content"><div class='highlight'><pre> extensions.shift() <span class="keyword">if</span> extensions[<span class="number">0</span>] <span class="keyword">is</span> <span class="string">''</span></pre></div></div>
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<p>Start with the longest possible extension and work our way shortwards.
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">while</span> extensions.shift()
curExtension = <span class="string">'.'</span> + extensions.join <span class="string">'.'</span>
<span class="keyword">return</span> curExtension <span class="keyword">if</span> Module._extensions[curExtension]
<span class="string">'.js'</span>
Module::<span class="function"><span class="title">load</span></span> = (filename) -&gt;
<span class="property">@filename</span> = filename
<span class="property">@paths</span> = Module._nodeModulePaths path.dirname filename
extension = findExtension filename
Module._extensions[extension](<span class="keyword">this</span>, filename)
<span class="property">@loaded</span> = <span class="literal">true</span></pre></div></div>
</li>
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</div>
<p>If we&#39;re on Node, patch <code>child_process.fork</code> so that Coffee scripts are able
to fork both CoffeeScript files, and JavaScript files, directly.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="keyword">if</span> child_process
{fork} = child_process
child_process.<span class="function"><span class="title">fork</span></span> = (path, args = [], options = {}) -&gt;
execPath = <span class="keyword">if</span> helpers.isCoffee(path) <span class="keyword">then</span> <span class="string">'coffee'</span> <span class="keyword">else</span> <span class="literal">null</span>
<span class="keyword">if</span> <span class="keyword">not</span> Array.isArray args
args = []
options = args <span class="keyword">or</span> {}
options.execPath <span class="keyword">or</span>= execPath
fork path, args, options</pre></div></div>
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<p>Instantiate a Lexer for our use here.
</p>
</div>
<div class="content"><div class='highlight'><pre>lexer = <span class="keyword">new</span> Lexer</pre></div></div>
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<p>The real Lexer produces a generic stream of tokens. This object provides a
thin wrapper around it, compatible with the Jison API. We can then pass it
directly as a &quot;Jison lexer&quot;.
</p>
</div>
<div class="content"><div class='highlight'><pre>parser.lexer =
lex: -&gt;
token = <span class="property">@tokens</span>[<span class="property">@pos</span>++]
<span class="keyword">if</span> token
[tag, <span class="property">@yytext</span>, <span class="property">@yylloc</span>] = token
<span class="property">@yylineno</span> = <span class="property">@yylloc</span>.first_line
<span class="keyword">else</span>
tag = <span class="string">''</span>
tag
setInput: (<span class="property">@tokens</span>) -&gt;
<span class="property">@pos</span> = <span class="number">0</span>
upcomingInput: -&gt;
<span class="string">""</span></pre></div></div>
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<p>Make all the AST nodes visible to the parser.
</p>
</div>
<div class="content"><div class='highlight'><pre>parser.yy = require <span class="string">'./nodes'</span></pre></div></div>
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<p>Override Jison&#39;s default error handling function.
</p>
</div>
<div class="content"><div class='highlight'><pre>parser.yy.<span class="function"><span class="title">parseError</span></span> = (message, {token}) -&gt;</pre></div></div>
</li>
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</div>
<p>Disregard Jison&#39;s message, it contains redundant line numer information.
</p>
</div>
<div class="content"><div class='highlight'><pre> message = <span class="string">"unexpected <span class="subst">#{<span class="keyword">if</span> token <span class="keyword">is</span> <span class="number">1</span> <span class="keyword">then</span> 'end <span class="keyword">of</span> input' <span class="keyword">else</span> token}</span>"</span></pre></div></div>
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<p>The second argument has a <code>loc</code> property, which should have the location
data for this token. Unfortunately, Jison seems to send an outdated <code>loc</code>
(from the previous token), so we take the location information directly
from the lexer.
</p>
</div>
<div class="content"><div class='highlight'><pre> helpers.throwSyntaxError message, parser.lexer.yylloc</pre></div></div>
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<p>Based on <a href="http://goo.gl/ZTx1p">michaelficarra/CoffeeScriptRedux</a>
NodeJS / V8 have no support for transforming positions in stack traces using
sourceMap, so we must monkey-patch Error to display CoffeeScript source
positions.
</p>
</div>
<div class="content"><div class='highlight'><pre>
patched = <span class="literal">false</span></pre></div></div>
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</div>
<p>Map of filenames -&gt; sourceMap object.
</p>
</div>
<div class="content"><div class='highlight'><pre>sourceMaps = {}
<span class="function"><span class="title">patchStackTrace</span></span> = -&gt;
<span class="keyword">return</span> <span class="keyword">if</span> patched
patched = <span class="literal">true</span>
mainModule = require.main</pre></div></div>
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</div>
<p>(Assigning to a property of the Module object in the normal module cache is
unsuitable, because node deletes those objects from the cache if an
exception is thrown in the module body.)
</p>
</div>
<div class="content"><div class='highlight'><pre>
Error.<span class="function"><span class="title">prepareStackTrace</span></span> = (err, stack) -&gt;
sourceFiles = {}
<span class="function"><span class="title">getSourceMapping</span></span> = (filename, line, column) -&gt;
sourceMap = sourceMaps[filename]
answer = sourceMap.sourceLocation [line - <span class="number">1</span>, column - <span class="number">1</span>] <span class="keyword">if</span> sourceMap
<span class="keyword">if</span> answer <span class="keyword">then</span> [answer[<span class="number">0</span>] + <span class="number">1</span>, answer[<span class="number">1</span>] + <span class="number">1</span>] <span class="keyword">else</span> <span class="literal">null</span>
frames = <span class="keyword">for</span> frame <span class="keyword">in</span> stack
<span class="keyword">break</span> <span class="keyword">if</span> frame.getFunction() <span class="keyword">is</span> exports.run
<span class="string">" at <span class="subst">#{formatSourcePosition frame, getSourceMapping}</span>"</span>
<span class="string">"<span class="subst">#{err.name}</span>: <span class="subst">#{err.message ? ''}</span>\n<span class="subst">#{frames.join '\n'}</span>\n"</span></pre></div></div>
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<p>Based on <a href="http://v8.googlecode.com/svn/branches/bleeding_edge/src/messages.js">http://v8.googlecode.com/svn/branches/bleeding_edge/src/messages.js</a>
Modified to handle sourceMap
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">formatSourcePosition</span></span> = (frame, getSourceMapping) -&gt;
fileName = <span class="literal">undefined</span>
fileLocation = <span class="string">''</span>
<span class="keyword">if</span> frame.isNative()
fileLocation = <span class="string">"native"</span>
<span class="keyword">else</span>
<span class="keyword">if</span> frame.isEval()
fileName = frame.getScriptNameOrSourceURL()
fileLocation = <span class="string">"<span class="subst">#{frame.getEvalOrigin()}</span>, "</span> <span class="keyword">unless</span> fileName
<span class="keyword">else</span>
fileName = frame.getFileName()
fileName <span class="keyword">or</span>= <span class="string">"&lt;anonymous&gt;"</span>
line = frame.getLineNumber()
column = frame.getColumnNumber()</pre></div></div>
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<p>Check for a sourceMap position
</p>
</div>
<div class="content"><div class='highlight'><pre> source = getSourceMapping fileName, line, column
fileLocation =
<span class="keyword">if</span> source
<span class="string">"<span class="subst">#{fileName}</span>:<span class="subst">#{source[<span class="number">0</span>]}</span>:<span class="subst">#{source[<span class="number">1</span>]}</span>, &lt;js&gt;:<span class="subst">#{line}</span>:<span class="subst">#{column}</span>"</span>
<span class="keyword">else</span>
<span class="string">"<span class="subst">#{fileName}</span>:<span class="subst">#{line}</span>:<span class="subst">#{column}</span>"</span>
functionName = frame.getFunctionName()
isConstructor = frame.isConstructor()
isMethodCall = <span class="keyword">not</span> (frame.isToplevel() <span class="keyword">or</span> isConstructor)
<span class="keyword">if</span> isMethodCall
methodName = frame.getMethodName()
typeName = frame.getTypeName()
<span class="keyword">if</span> functionName
tp = as = <span class="string">''</span>
<span class="keyword">if</span> typeName <span class="keyword">and</span> functionName.indexOf typeName
tp = <span class="string">"<span class="subst">#{typeName}</span>."</span>
<span class="keyword">if</span> methodName <span class="keyword">and</span> functionName.indexOf(<span class="string">".<span class="subst">#{methodName}</span>"</span>) <span class="keyword">isnt</span> functionName.length - methodName.length - <span class="number">1</span>
as = <span class="string">" [as <span class="subst">#{methodName}</span>]"</span>
<span class="string">"<span class="subst">#{tp}</span><span class="subst">#{functionName}</span><span class="subst">#{as}</span> (<span class="subst">#{fileLocation}</span>)"</span>
<span class="keyword">else</span>
<span class="string">"<span class="subst">#{typeName}</span>.<span class="subst">#{methodName <span class="keyword">or</span> '&lt;anonymous&gt;'}</span> (<span class="subst">#{fileLocation}</span>)"</span>
<span class="keyword">else</span> <span class="keyword">if</span> isConstructor
<span class="string">"new <span class="subst">#{functionName <span class="keyword">or</span> '&lt;anonymous&gt;'}</span> (<span class="subst">#{fileLocation}</span>)"</span>
<span class="keyword">else</span> <span class="keyword">if</span> functionName
<span class="string">"<span class="subst">#{functionName}</span> (<span class="subst">#{fileLocation}</span>)"</span>
<span class="keyword">else</span>
fileLocation</pre></div></div>
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</ul>
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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>command.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
into various forms: saved into <code>.js</code> files or printed to stdout
or recompiled every time the source is saved,
printed as a token stream or as the syntax tree, or launch an
interactive REPL.
</p>
</div>
</li>
<li id="section-2">
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<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>External dependencies.
</p>
</div>
<div class="content"><div class='highlight'><pre>fs = require <span class="string">'fs'</span>
path = require <span class="string">'path'</span>
helpers = require <span class="string">'./helpers'</span>
optparse = require <span class="string">'./optparse'</span>
CoffeeScript = require <span class="string">'./coffee-script'</span>
{spawn, exec} = require <span class="string">'child_process'</span>
{EventEmitter} = require <span class="string">'events'</span>
exists = fs.exists <span class="keyword">or</span> path.exists
useWinPathSep = path.sep <span class="keyword">is</span> <span class="string">'\\'</span></pre></div></div>
</li>
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</div>
<p>Allow CoffeeScript to emit Node.js events.
</p>
</div>
<div class="content"><div class='highlight'><pre>helpers.extend CoffeeScript, <span class="keyword">new</span> EventEmitter
<span class="function"><span class="title">printLine</span></span> = (line) -&gt; process.stdout.write line + <span class="string">'\n'</span>
<span class="function"><span class="title">printWarn</span></span> = (line) -&gt; process.stderr.write line + <span class="string">'\n'</span>
<span class="function"><span class="title">hidden</span></span> = (file) -&gt; <span class="regexp">/^\.|~$/</span>.test file</pre></div></div>
</li>
<li id="section-4">
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<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>The help banner that is printed when <code>coffee</code> is called without arguments.
</p>
</div>
<div class="content"><div class='highlight'><pre>BANNER = '''
Usage: coffee [options] path/to/script.coffee -- [args]
If called without options, `coffee` will run your script.
'''</pre></div></div>
</li>
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</div>
<p>The list of all the valid option flags that <code>coffee</code> knows how to handle.
</p>
</div>
<div class="content"><div class='highlight'><pre>SWITCHES = [
[<span class="string">'-b'</span>, <span class="string">'--bare'</span>, <span class="string">'compile without a top-level function wrapper'</span>]
[<span class="string">'-c'</span>, <span class="string">'--compile'</span>, <span class="string">'compile to JavaScript and save as .js files'</span>]
[<span class="string">'-e'</span>, <span class="string">'--eval'</span>, <span class="string">'pass a string from the command line as input'</span>]
[<span class="string">'-h'</span>, <span class="string">'--help'</span>, <span class="string">'display this help message'</span>]
[<span class="string">'-i'</span>, <span class="string">'--interactive'</span>, <span class="string">'run an interactive CoffeeScript REPL'</span>]
[<span class="string">'-j'</span>, <span class="string">'--join [FILE]'</span>, <span class="string">'concatenate the source CoffeeScript before compiling'</span>]
[<span class="string">'-m'</span>, <span class="string">'--map'</span>, <span class="string">'generate source map and save as .map files'</span>]
[<span class="string">'-n'</span>, <span class="string">'--nodes'</span>, <span class="string">'print out the parse tree that the parser produces'</span>]
[ <span class="string">'--nodejs [ARGS]'</span>, <span class="string">'pass options directly to the "node" binary'</span>]
[<span class="string">'-o'</span>, <span class="string">'--output [DIR]'</span>, <span class="string">'set the output directory for compiled JavaScript'</span>]
[<span class="string">'-p'</span>, <span class="string">'--print'</span>, <span class="string">'print out the compiled JavaScript'</span>]
[<span class="string">'-s'</span>, <span class="string">'--stdio'</span>, <span class="string">'listen for and compile scripts over stdio'</span>]
[<span class="string">'-l'</span>, <span class="string">'--literate'</span>, <span class="string">'treat stdio as literate style coffee-script'</span>]
[<span class="string">'-t'</span>, <span class="string">'--tokens'</span>, <span class="string">'print out the tokens that the lexer/rewriter produce'</span>]
[<span class="string">'-v'</span>, <span class="string">'--version'</span>, <span class="string">'display the version number'</span>]
[<span class="string">'-w'</span>, <span class="string">'--watch'</span>, <span class="string">'watch scripts for changes and rerun commands'</span>]
]</pre></div></div>
</li>
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</div>
<p>Top-level objects shared by all the functions.
</p>
</div>
<div class="content"><div class='highlight'><pre>opts = {}
sources = []
sourceCode = []
notSources = {}
watchers = {}
optionParser = <span class="literal">null</span></pre></div></div>
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</div>
<p>Run <code>coffee</code> by parsing passed options and determining what action to take.
Many flags cause us to divert before compiling anything. Flags passed after
<code>--</code> will be passed verbatim to your script as arguments in <code>process.argv</code>
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">run</span></span> = -&gt;
parseOptions()
<span class="keyword">return</span> forkNode() <span class="keyword">if</span> opts.nodejs
<span class="keyword">return</span> usage() <span class="keyword">if</span> opts.help
<span class="keyword">return</span> version() <span class="keyword">if</span> opts.version
<span class="keyword">return</span> require(<span class="string">'./repl'</span>).start() <span class="keyword">if</span> opts.interactive
<span class="keyword">if</span> opts.watch <span class="keyword">and</span> <span class="keyword">not</span> fs.watch
<span class="keyword">return</span> printWarn <span class="string">"The --watch feature depends on Node v0.6.0+. You are running <span class="subst">#{process.version}</span>."</span>
<span class="keyword">return</span> compileStdio() <span class="keyword">if</span> opts.stdio
<span class="keyword">return</span> compileScript <span class="literal">null</span>, sources[<span class="number">0</span>] <span class="keyword">if</span> opts.eval
<span class="keyword">return</span> require(<span class="string">'./repl'</span>).start() <span class="keyword">unless</span> sources.length
literals = <span class="keyword">if</span> opts.run <span class="keyword">then</span> sources.splice <span class="number">1</span> <span class="keyword">else</span> []
process.argv = process.argv[<span class="number">0.</span><span class="number">.1</span>].concat literals
process.argv[<span class="number">0</span>] = <span class="string">'coffee'</span>
<span class="keyword">for</span> source <span class="keyword">in</span> sources
compilePath source, <span class="literal">yes</span>, path.normalize source</pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Compile a path, which could be a script or a directory. If a directory
is passed, recursively compile all &#39;.coffee&#39;, &#39;.litcoffee&#39;, and &#39;.coffee.md&#39;
extension source files in it and all subdirectories.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">compilePath</span></span> = (source, topLevel, base) -&gt;
fs.stat source, (err, stats) -&gt;
<span class="keyword">throw</span> err <span class="keyword">if</span> err <span class="keyword">and</span> err.code <span class="keyword">isnt</span> <span class="string">'ENOENT'</span>
<span class="keyword">if</span> err?.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
console.error <span class="string">"File not found: <span class="subst">#{source}</span>"</span>
process.exit <span class="number">1</span>
<span class="keyword">if</span> stats.isDirectory() <span class="keyword">and</span> path.dirname(source) <span class="keyword">isnt</span> <span class="string">'node_modules'</span>
watchDir source, base <span class="keyword">if</span> opts.watch
fs.readdir source, (err, files) -&gt;
<span class="keyword">throw</span> err <span class="keyword">if</span> err <span class="keyword">and</span> err.code <span class="keyword">isnt</span> <span class="string">'ENOENT'</span>
<span class="keyword">return</span> <span class="keyword">if</span> err?.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
index = sources.indexOf source
files = files.filter (file) -&gt; <span class="keyword">not</span> hidden file
sources[index..index] = (path.join source, file <span class="keyword">for</span> file <span class="keyword">in</span> files)
sourceCode[index..index] = files.map -&gt; <span class="literal">null</span>
files.forEach (file) -&gt;
compilePath (path.join source, file), <span class="literal">no</span>, base
<span class="keyword">else</span> <span class="keyword">if</span> topLevel <span class="keyword">or</span> helpers.isCoffee source
watch source, base <span class="keyword">if</span> opts.watch
fs.readFile source, (err, code) -&gt;
<span class="keyword">throw</span> err <span class="keyword">if</span> err <span class="keyword">and</span> err.code <span class="keyword">isnt</span> <span class="string">'ENOENT'</span>
<span class="keyword">return</span> <span class="keyword">if</span> err?.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
compileScript(source, code.toString(), base)
<span class="keyword">else</span>
notSources[source] = <span class="literal">yes</span>
removeSource source, base</pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Compile a single source script, containing the given code, according to the
requested options. If evaluating the script directly sets <code>__filename</code>,
<code>__dirname</code> and <code>module.filename</code> to be correct relative to the script&#39;s path.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">compileScript</span></span> = (file, input, base=<span class="literal">null</span>) -&gt;
o = opts
options = compileOptions file, base
<span class="keyword">try</span>
t = task = {file, input, options}
CoffeeScript.emit <span class="string">'compile'</span>, task
<span class="keyword">if</span> o.tokens <span class="keyword">then</span> printTokens CoffeeScript.tokens t.input, t.options
<span class="keyword">else</span> <span class="keyword">if</span> o.nodes <span class="keyword">then</span> printLine CoffeeScript.nodes(t.input, t.options).toString().trim()
<span class="keyword">else</span> <span class="keyword">if</span> o.run <span class="keyword">then</span> CoffeeScript.run t.input, t.options
<span class="keyword">else</span> <span class="keyword">if</span> o.join <span class="keyword">and</span> t.file <span class="keyword">isnt</span> o.join
t.input = helpers.invertLiterate t.input <span class="keyword">if</span> helpers.isLiterate file
sourceCode[sources.indexOf(t.file)] = t.input
compileJoin()
<span class="keyword">else</span>
compiled = CoffeeScript.compile t.input, t.options
t.output = compiled
<span class="keyword">if</span> o.map
t.output = compiled.js
t.sourceMap = compiled.v3SourceMap
CoffeeScript.emit <span class="string">'success'</span>, task
<span class="keyword">if</span> o.print
printLine t.output.trim()
<span class="keyword">else</span> <span class="keyword">if</span> o.compile <span class="keyword">or</span> o.map
writeJs base, t.file, t.output, options.jsPath, t.sourceMap
<span class="keyword">catch</span> err
CoffeeScript.emit <span class="string">'failure'</span>, err, task
<span class="keyword">return</span> <span class="keyword">if</span> CoffeeScript.listeners(<span class="string">'failure'</span>).length
useColors = process.stdout.isTTY <span class="keyword">and</span> <span class="keyword">not</span> process.env.NODE_DISABLE_COLORS
message = helpers.prettyErrorMessage err, file <span class="keyword">or</span> <span class="string">'[stdin]'</span>, input, useColors
<span class="keyword">if</span> o.watch
printLine message + <span class="string">'\x07'</span>
<span class="keyword">else</span>
printWarn message
process.exit <span class="number">1</span></pre></div></div>
</li>
<li id="section-10">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-10">&#182;</a>
</div>
<p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
and write them back to <strong>stdout</strong>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">compileStdio</span></span> = -&gt;
code = <span class="string">''</span>
stdin = process.openStdin()
stdin.<span class="literal">on</span> <span class="string">'data'</span>, (buffer) -&gt;
code += buffer.toString() <span class="keyword">if</span> buffer
stdin.<span class="literal">on</span> <span class="string">'end'</span>, -&gt;
compileScript <span class="literal">null</span>, code</pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>If all of the source files are done being read, concatenate and compile
them together.
</p>
</div>
<div class="content"><div class='highlight'><pre>joinTimeout = <span class="literal">null</span>
<span class="function"><span class="title">compileJoin</span></span> = -&gt;
<span class="keyword">return</span> <span class="keyword">unless</span> opts.join
<span class="keyword">unless</span> sourceCode.some((code) -&gt; code <span class="keyword">is</span> <span class="literal">null</span>)
clearTimeout joinTimeout
joinTimeout = wait <span class="number">100</span>, -&gt;
compileScript opts.join, sourceCode.join(<span class="string">'\n'</span>), opts.join</pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>Watch a source CoffeeScript file using <code>fs.watch</code>, recompiling it every
time the file is updated. May be used in combination with other options,
such as <code>--print</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">watch</span></span> = (source, base) -&gt;
prevStats = <span class="literal">null</span>
compileTimeout = <span class="literal">null</span>
<span class="function"><span class="title">watchErr</span></span> = (e) -&gt;
<span class="keyword">if</span> e.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
<span class="keyword">return</span> <span class="keyword">if</span> sources.indexOf(source) <span class="keyword">is</span> -<span class="number">1</span>
<span class="keyword">try</span>
rewatch()
compile()
<span class="keyword">catch</span> e
removeSource source, base, <span class="literal">yes</span>
compileJoin()
<span class="keyword">else</span> <span class="keyword">throw</span> e
<span class="function"><span class="title">compile</span></span> = -&gt;
clearTimeout compileTimeout
compileTimeout = wait <span class="number">25</span>, -&gt;
fs.stat source, (err, stats) -&gt;
<span class="keyword">return</span> watchErr err <span class="keyword">if</span> err
<span class="keyword">return</span> rewatch() <span class="keyword">if</span> prevStats <span class="keyword">and</span> stats.size <span class="keyword">is</span> prevStats.size <span class="keyword">and</span>
stats.mtime.getTime() <span class="keyword">is</span> prevStats.mtime.getTime()
prevStats = stats
fs.readFile source, (err, code) -&gt;
<span class="keyword">return</span> watchErr err <span class="keyword">if</span> err
compileScript(source, code.toString(), base)
rewatch()
<span class="keyword">try</span>
watcher = fs.watch source, compile
<span class="keyword">catch</span> e
watchErr e
<span class="function"><span class="title">rewatch</span></span> = -&gt;
watcher?.close()
watcher = fs.watch source, compile</pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Watch a directory of files for new additions.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">watchDir</span></span> = (source, base) -&gt;
readdirTimeout = <span class="literal">null</span>
<span class="keyword">try</span>
watcher = fs.watch source, -&gt;
clearTimeout readdirTimeout
readdirTimeout = wait <span class="number">25</span>, -&gt;
fs.readdir source, (err, files) -&gt;
<span class="keyword">if</span> err
<span class="keyword">throw</span> err <span class="keyword">unless</span> err.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
watcher.close()
<span class="keyword">return</span> unwatchDir source, base
<span class="keyword">for</span> file <span class="keyword">in</span> files <span class="keyword">when</span> <span class="keyword">not</span> hidden(file) <span class="keyword">and</span> <span class="keyword">not</span> notSources[file]
file = path.join source, file
<span class="keyword">continue</span> <span class="keyword">if</span> sources.some (s) -&gt; s.indexOf(file) &gt;= <span class="number">0</span>
sources.push file
sourceCode.push <span class="literal">null</span>
compilePath file, <span class="literal">no</span>, base
<span class="keyword">catch</span> e
<span class="keyword">throw</span> e <span class="keyword">unless</span> e.code <span class="keyword">is</span> <span class="string">'ENOENT'</span>
<span class="function"><span class="title">unwatchDir</span></span> = (source, base) -&gt;
prevSources = sources[..]
toRemove = (file <span class="keyword">for</span> file <span class="keyword">in</span> sources <span class="keyword">when</span> file.indexOf(source) &gt;= <span class="number">0</span>)
removeSource file, base, <span class="literal">yes</span> <span class="keyword">for</span> file <span class="keyword">in</span> toRemove
<span class="keyword">return</span> <span class="keyword">unless</span> sources.some (s, i) -&gt; prevSources[i] <span class="keyword">isnt</span> s
compileJoin()</pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Remove a file from our source list, and source code cache. Optionally remove
the compiled JS version as well.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">removeSource</span></span> = (source, base, removeJs) -&gt;
index = sources.indexOf source
sources.splice index, <span class="number">1</span>
sourceCode.splice index, <span class="number">1</span>
<span class="keyword">if</span> removeJs <span class="keyword">and</span> <span class="keyword">not</span> opts.join
jsPath = outputPath source, base
exists jsPath, (itExists) -&gt;
<span class="keyword">if</span> itExists
fs.unlink jsPath, (err) -&gt;
<span class="keyword">throw</span> err <span class="keyword">if</span> err <span class="keyword">and</span> err.code <span class="keyword">isnt</span> <span class="string">'ENOENT'</span>
timeLog <span class="string">"removed <span class="subst">#{source}</span>"</span></pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Get the corresponding output JavaScript path for a source file.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">outputPath</span></span> = (source, base, extension=<span class="string">".js"</span>) -&gt;
basename = helpers.baseFileName source, <span class="literal">yes</span>, useWinPathSep
srcDir = path.dirname source
baseDir = <span class="keyword">if</span> base <span class="keyword">is</span> <span class="string">'.'</span> <span class="keyword">then</span> srcDir <span class="keyword">else</span> srcDir.substring base.length
dir = <span class="keyword">if</span> opts.output <span class="keyword">then</span> path.join opts.output, baseDir <span class="keyword">else</span> srcDir
path.join dir, basename + extension</pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-16">&#182;</a>
</div>
<p>Write out a JavaScript source file with the compiled code. By default, files
are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
directory can be customized with <code>--output</code>.
</p>
<p>If <code>generatedSourceMap</code> is provided, this will write a <code>.map</code> file into the
same directory as the <code>.js</code> file.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">writeJs</span></span> = (base, sourcePath, js, jsPath, generatedSourceMap = <span class="literal">null</span>) -&gt;
sourceMapPath = outputPath sourcePath, base, <span class="string">".map"</span>
jsDir = path.dirname jsPath
<span class="function"><span class="title">compile</span></span> = -&gt;
<span class="keyword">if</span> opts.compile
js = <span class="string">' '</span> <span class="keyword">if</span> js.length &lt;= <span class="number">0</span>
<span class="keyword">if</span> generatedSourceMap <span class="keyword">then</span> js = <span class="string">"<span class="subst">#{js}</span>\n/*\n//@ sourceMappingURL=<span class="subst">#{helpers.baseFileName sourceMapPath, <span class="literal">no</span>, useWinPathSep}</span>\n*/\n"</span>
fs.writeFile jsPath, js, (err) -&gt;
<span class="keyword">if</span> err
printLine err.message
<span class="keyword">else</span> <span class="keyword">if</span> opts.compile <span class="keyword">and</span> opts.watch
timeLog <span class="string">"compiled <span class="subst">#{sourcePath}</span>"</span>
<span class="keyword">if</span> generatedSourceMap
fs.writeFile sourceMapPath, generatedSourceMap, (err) -&gt;
<span class="keyword">if</span> err
printLine <span class="string">"Could not write source map: <span class="subst">#{err.message}</span>"</span>
exists jsDir, (itExists) -&gt;
<span class="keyword">if</span> itExists <span class="keyword">then</span> compile() <span class="keyword">else</span> exec <span class="string">"mkdir -p <span class="subst">#{jsDir}</span>"</span>, compile</pre></div></div>
</li>
<li id="section-17">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-17">&#182;</a>
</div>
<p>Convenience for cleaner setTimeouts.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">wait</span></span> = (milliseconds, func) -&gt; setTimeout func, milliseconds</pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-18">&#182;</a>
</div>
<p>When watching scripts, it&#39;s useful to log changes with the timestamp.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">timeLog</span></span> = (message) -&gt;
console.log <span class="string">"<span class="subst">#{(<span class="keyword">new</span> Date).toLocaleTimeString()}</span> - <span class="subst">#{message}</span>"</span></pre></div></div>
</li>
<li id="section-19">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-19">&#182;</a>
</div>
<p>Pretty-print a stream of tokens, sans location data.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">printTokens</span></span> = (tokens) -&gt;
strings = <span class="keyword">for</span> token <span class="keyword">in</span> tokens
tag = token[<span class="number">0</span>]
value = token[<span class="number">1</span>].toString().replace(<span class="regexp">/\n/</span>, <span class="string">'\\n'</span>)
<span class="string">"[<span class="subst">#{tag}</span> <span class="subst">#{value}</span>]"</span>
printLine strings.join(<span class="string">' '</span>)</pre></div></div>
</li>
<li id="section-20">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-20">&#182;</a>
</div>
<p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
<code>process.argv</code> that are specified in <code>SWITCHES</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">parseOptions</span></span> = -&gt;
optionParser = <span class="keyword">new</span> optparse.OptionParser SWITCHES, BANNER
o = opts = optionParser.parse process.argv[<span class="number">2.</span>.]
o.compile <span class="keyword">or</span>= !!o.output
o.run = <span class="keyword">not</span> (o.compile <span class="keyword">or</span> o.print <span class="keyword">or</span> o.map)
o.print = !! (o.print <span class="keyword">or</span> (o.eval <span class="keyword">or</span> o.stdio <span class="keyword">and</span> o.compile))
sources = o.arguments
sourceCode[i] = <span class="literal">null</span> <span class="keyword">for</span> source, i <span class="keyword">in</span> sources
<span class="keyword">return</span></pre></div></div>
</li>
<li id="section-21">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-21">&#182;</a>
</div>
<p>The compile-time options to pass to the CoffeeScript compiler.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">compileOptions</span></span> = (filename, base) -&gt;
answer = {
filename
literate: opts.literate <span class="keyword">or</span> helpers.isLiterate(filename)
bare: opts.bare
header: opts.compile
sourceMap: opts.map
}
<span class="keyword">if</span> filename
<span class="keyword">if</span> base
cwd = process.cwd()
jsPath = outputPath filename, base
jsDir = path.dirname jsPath
answer = helpers.merge answer, {
jsPath
sourceRoot: path.relative jsDir, cwd
sourceFiles: [path.relative cwd, filename]
generatedFile: helpers.baseFileName(jsPath, <span class="literal">no</span>, useWinPathSep)
}
<span class="keyword">else</span>
answer = helpers.merge answer,
sourceRoot: <span class="string">""</span>
sourceFiles: [helpers.baseFileName filename, <span class="literal">no</span>, useWinPathSep]
generatedFile: helpers.baseFileName(filename, <span class="literal">yes</span>, useWinPathSep) + <span class="string">".js"</span>
answer</pre></div></div>
</li>
<li id="section-22">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-22">&#182;</a>
</div>
<p>Start up a new Node.js instance with the arguments in <code>--nodejs</code> passed to
the <code>node</code> binary, preserving the other options.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">forkNode</span></span> = -&gt;
nodeArgs = opts.nodejs.split <span class="regexp">/\s+/</span>
args = process.argv[<span class="number">1.</span>.]
args.splice args.indexOf(<span class="string">'--nodejs'</span>), <span class="number">2</span>
spawn process.execPath, nodeArgs.concat(args),
cwd: process.cwd()
env: process.env
customFds: [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>]</pre></div></div>
</li>
<li id="section-23">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-23">&#182;</a>
</div>
<p>Print the <code>--help</code> usage message and exit. Deprecated switches are not
shown.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">usage</span></span> = -&gt;
printLine (<span class="keyword">new</span> optparse.OptionParser SWITCHES, BANNER).help()</pre></div></div>
</li>
<li id="section-24">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-24">&#182;</a>
</div>
<p>Print the <code>--version</code> message and exit.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">version</span></span> = -&gt;
printLine <span class="string">"CoffeeScript version <span class="subst">#{CoffeeScript.VERSION}</span>"</span></pre></div></div>
</li>
</ul>
</div>
</body>
</html>

View File

@@ -1,509 +0,0 @@
/*--------------------- Typography ----------------------------*/
@font-face {
font-family: 'aller-light';
src: url('public/fonts/aller-light.eot');
src: url('public/fonts/aller-light.eot?#iefix') format('embedded-opentype'),
url('public/fonts/aller-light.woff') format('woff'),
url('public/fonts/aller-light.ttf') format('truetype');
font-weight: normal;
font-style: normal;
}
@font-face {
font-family: 'aller-bold';
src: url('public/fonts/aller-bold.eot');
src: url('public/fonts/aller-bold.eot?#iefix') format('embedded-opentype'),
url('public/fonts/aller-bold.woff') format('woff'),
url('public/fonts/aller-bold.ttf') format('truetype');
font-weight: normal;
font-style: normal;
}
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<h1>helpers.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>This file contains the common helper functions that we&#39;d like to share among
the <strong>Lexer</strong>, <strong>Rewriter</strong>, and the <strong>Nodes</strong>. Merge objects, flatten
arrays, count characters, that sort of thing.
</p>
</div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Peek at the beginning of a given string to see if it matches a sequence.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">starts</span></span> = (string, literal, start) -&gt;
literal <span class="keyword">is</span> string.substr start, literal.length</pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Peek at the end of a given string to see if it matches a sequence.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">ends</span></span> = (string, literal, back) -&gt;
len = literal.length
literal <span class="keyword">is</span> string.substr string.length - len - (back <span class="keyword">or</span> <span class="number">0</span>), len</pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>Repeat a string <code>n</code> times.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.repeat = <span class="function"><span class="title">repeat</span></span> = (str, n) -&gt;</pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>Use clever algorithm to have O(log(n)) string concatenation operations.
</p>
</div>
<div class="content"><div class='highlight'><pre> res = <span class="string">''</span>
<span class="keyword">while</span> n &gt; <span class="number">0</span>
res += str <span class="keyword">if</span> n &amp; <span class="number">1</span>
n &gt;&gt;&gt;= <span class="number">1</span>
str += str
res</pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Trim out all falsy values from an array.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">compact</span></span> = (array) -&gt;
item <span class="keyword">for</span> item <span class="keyword">in</span> array <span class="keyword">when</span> item</pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Count the number of occurrences of a string in a string.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">count</span></span> = (string, substr) -&gt;
num = pos = <span class="number">0</span>
<span class="keyword">return</span> <span class="number">1</span>/<span class="number">0</span> <span class="keyword">unless</span> substr.length
num++ <span class="keyword">while</span> pos = <span class="number">1</span> + string.indexOf substr, pos
num</pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Merge objects, returning a fresh copy with attributes from both sides.
Used every time <code>Base#compile</code> is called, to allow properties in the
options hash to propagate down the tree without polluting other branches.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">merge</span></span> = (options, overrides) -&gt;
extend (extend {}, options), overrides</pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Extend a source object with the properties of another object (shallow copy).
</p>
</div>
<div class="content"><div class='highlight'><pre>extend = exports.<span class="function"><span class="title">extend</span></span> = (object, properties) -&gt;
<span class="keyword">for</span> key, val <span class="keyword">of</span> properties
object[key] = val
object</pre></div></div>
</li>
<li id="section-10">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-10">&#182;</a>
</div>
<p>Return a flattened version of an array.
Handy for getting a list of <code>children</code> from the nodes.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.flatten = <span class="function"><span class="title">flatten</span></span> = (array) -&gt;
flattened = []
<span class="keyword">for</span> element <span class="keyword">in</span> array
<span class="keyword">if</span> element <span class="keyword">instanceof</span> Array
flattened = flattened.concat flatten element
<span class="keyword">else</span>
flattened.push element
flattened</pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>Delete a key from an object, returning the value. Useful when a node is
looking for a particular method in an options hash.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">del</span></span> = (obj, key) -&gt;
val = obj[key]
<span class="keyword">delete</span> obj[key]
val</pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>Gets the last item of an array(-like) object.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.last = <span class="function"><span class="title">last</span></span> = (array, back) -&gt; array[array.length - (back <span class="keyword">or</span> <span class="number">0</span>) - <span class="number">1</span>]</pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Typical Array::some
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.some = Array::some ? (fn) -&gt;
<span class="keyword">return</span> <span class="literal">true</span> <span class="keyword">for</span> e <span class="keyword">in</span> <span class="keyword">this</span> <span class="keyword">when</span> fn e
<span class="literal">false</span></pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Simple function for inverting Literate CoffeeScript code by putting the
documentation in comments, producing a string of CoffeeScript code that
can be compiled &quot;normally&quot;.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">invertLiterate</span></span> = (code) -&gt;
maybe_code = <span class="literal">true</span>
lines = <span class="keyword">for</span> line <span class="keyword">in</span> code.split(<span class="string">'\n'</span>)
<span class="keyword">if</span> maybe_code <span class="keyword">and</span> <span class="regexp">/^([ ]{4}|[ ]{0,3}\t)/</span>.test line
line
<span class="keyword">else</span> <span class="keyword">if</span> maybe_code = <span class="regexp">/^\s*$/</span>.test line
line
<span class="keyword">else</span>
<span class="string">'# '</span> + line
lines.join <span class="string">'\n'</span></pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Merge two jison-style location data objects together.
If <code>last</code> is not provided, this will simply return <code>first</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">buildLocationData</span></span> = (first, last) -&gt;
<span class="keyword">if</span> <span class="keyword">not</span> last
first
<span class="keyword">else</span>
first_line: first.first_line
first_column: first.first_column
last_line: last.last_line
last_column: last.last_column</pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-16">&#182;</a>
</div>
<p>This returns a function which takes an object as a parameter, and if that
object is an AST node, updates that object&#39;s locationData.
The object is returned either way.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">addLocationDataFn</span></span> = (first, last) -&gt;
(obj) -&gt;
<span class="keyword">if</span> ((<span class="keyword">typeof</span> obj) <span class="keyword">is</span> <span class="string">'object'</span>) <span class="keyword">and</span> (!!obj[<span class="string">'updateLocationDataIfMissing'</span>])
obj.updateLocationDataIfMissing buildLocationData(first, last)
<span class="keyword">return</span> obj</pre></div></div>
</li>
<li id="section-17">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-17">&#182;</a>
</div>
<p>Convert jison location data to a string.
<code>obj</code> can be a token, or a locationData.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">locationDataToString</span></span> = (obj) -&gt;
<span class="keyword">if</span> (<span class="string">"2"</span> <span class="keyword">of</span> obj) <span class="keyword">and</span> (<span class="string">"first_line"</span> <span class="keyword">of</span> obj[<span class="number">2</span>]) <span class="keyword">then</span> locationData = obj[<span class="number">2</span>]
<span class="keyword">else</span> <span class="keyword">if</span> <span class="string">"first_line"</span> <span class="keyword">of</span> obj <span class="keyword">then</span> locationData = obj
<span class="keyword">if</span> locationData
<span class="string">"<span class="subst">#{locationData.first_line + <span class="number">1</span>}</span>:<span class="subst">#{locationData.first_column + <span class="number">1</span>}</span>-"</span> +
<span class="string">"<span class="subst">#{locationData.last_line + <span class="number">1</span>}</span>:<span class="subst">#{locationData.last_column + <span class="number">1</span>}</span>"</span>
<span class="keyword">else</span>
<span class="string">"No location data"</span></pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-18">&#182;</a>
</div>
<p>A <code>.coffee.md</code> compatible version of <code>basename</code>, that returns the file sans-extension.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">baseFileName</span></span> = (file, stripExt = <span class="literal">no</span>, useWinPathSep = <span class="literal">no</span>) -&gt;
pathSep = <span class="keyword">if</span> useWinPathSep <span class="keyword">then</span> <span class="regexp">/\\|\// else /\//</span>
parts = file.split(pathSep)
file = parts[parts.length - <span class="number">1</span>]
<span class="keyword">return</span> file <span class="keyword">unless</span> stripExt
parts = file.split(<span class="string">'.'</span>)
parts.pop()
parts.pop() <span class="keyword">if</span> parts[parts.length - <span class="number">1</span>] <span class="keyword">is</span> <span class="string">'coffee'</span> <span class="keyword">and</span> parts.length &gt; <span class="number">1</span>
parts.join(<span class="string">'.'</span>)</pre></div></div>
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<p>Determine if a filename represents a CoffeeScript file.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">isCoffee</span></span> = (file) -&gt; <span class="regexp">/\.((lit)?coffee|coffee\.md)$/</span>.test file</pre></div></div>
</li>
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</div>
<p>Determine if a filename represents a Literate CoffeeScript file.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">isLiterate</span></span> = (file) -&gt; <span class="regexp">/\.(litcoffee|coffee\.md)$/</span>.test file</pre></div></div>
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</div>
<p>Throws a SyntaxError with a source file location data attached to it in a
property called <code>location</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">throwSyntaxError</span></span> = (message, location) -&gt;
location.last_line ?= location.first_line
location.last_column ?= location.first_column
error = <span class="keyword">new</span> SyntaxError message
error.location = location
<span class="keyword">throw</span> error</pre></div></div>
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<p>Creates a nice error message like, following the &quot;standard&quot; format
</p>
<p><filename>:<line>:<col>: <message> plus the line with the error and a marker
showing where the error is.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.<span class="function"><span class="title">prettyErrorMessage</span></span> = (error, fileName, code, useColors) -&gt;
<span class="keyword">return</span> error.stack <span class="keyword">or</span> <span class="string">"<span class="subst">#{error}</span>"</span> <span class="keyword">unless</span> error.location
{first_line, first_column, last_line, last_column} = error.location
codeLine = code.split(<span class="string">'\n'</span>)[first_line]
start = first_column</pre></div></div>
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<p>Show only the first line on multi-line errors.
</p>
</div>
<div class="content"><div class='highlight'><pre> end = <span class="keyword">if</span> first_line <span class="keyword">is</span> last_line <span class="keyword">then</span> last_column + <span class="number">1</span> <span class="keyword">else</span> codeLine.length
marker = repeat(<span class="string">' '</span>, start) + repeat(<span class="string">'^'</span>, end - start)
<span class="keyword">if</span> useColors
<span class="function"><span class="title">colorize</span></span> = (str) -&gt; <span class="string">"\x1B[1;31m<span class="subst">#{str}</span>\x1B[0m"</span>
codeLine = codeLine[...start] + colorize(codeLine[start...end]) + codeLine[end..]
marker = colorize marker
message = <span class="string">"""
<span class="subst">#{fileName}</span>:<span class="subst">#{first_line + <span class="number">1</span>}</span>:<span class="subst">#{first_column + <span class="number">1</span>}</span>: error: <span class="subst">#{error.message}</span>
<span class="subst">#{codeLine}</span>
<span class="subst">#{marker}</span>
"""</span></pre></div></div>
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<p>Uncomment to add stacktrace.
message += &quot;\n#{error.stack}&quot;
</p>
</div>
<div class="content"><div class='highlight'><pre>
message</pre></div></div>
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<!DOCTYPE html>
<html>
<head>
<title>index.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
</head>
<body>
<div id="container">
<div id="background"></div>
<ul id="jump_to">
<li>
<a class="large" href="javascript:void(0);">Jump To &hellip;</a>
<a class="small" href="javascript:void(0);">+</a>
<div id="jump_wrapper">
<div id="jump_page">
<a class="source" href="browser.html">
browser.coffee
</a>
<a class="source" href="cake.html">
cake.coffee
</a>
<a class="source" href="coffee-script.html">
coffee-script.coffee
</a>
<a class="source" href="command.html">
command.coffee
</a>
<a class="source" href="grammar.html">
grammar.coffee
</a>
<a class="source" href="helpers.html">
helpers.coffee
</a>
<a class="source" href="index.html">
index.coffee
</a>
<a class="source" href="lexer.html">
lexer.coffee
</a>
<a class="source" href="nodes.html">
nodes.coffee
</a>
<a class="source" href="optparse.html">
optparse.coffee
</a>
<a class="source" href="repl.html">
repl.coffee
</a>
<a class="source" href="rewriter.html">
rewriter.coffee
</a>
<a class="source" href="scope.html">
scope.litcoffee
</a>
<a class="source" href="sourcemap.html">
sourcemap.litcoffee
</a>
</div>
</li>
</ul>
<ul class="sections">
<li id="title">
<div class="annotation">
<h1>index.coffee</h1>
</div>
</li>
<li id="section-1">
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<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>Loader for CoffeeScript as a Node.js library.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports[key] = val <span class="keyword">for</span> key, val <span class="keyword">of</span> require <span class="string">'./coffee-script'</span></pre></div></div>
</li>
</ul>
</div>
</body>
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<!DOCTYPE html>
<html>
<head>
<title>optparse.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
</head>
<body>
<div id="container">
<div id="background"></div>
<ul id="jump_to">
<li>
<a class="large" href="javascript:void(0);">Jump To &hellip;</a>
<a class="small" href="javascript:void(0);">+</a>
<div id="jump_wrapper">
<div id="jump_page">
<a class="source" href="browser.html">
browser.coffee
</a>
<a class="source" href="cake.html">
cake.coffee
</a>
<a class="source" href="coffee-script.html">
coffee-script.coffee
</a>
<a class="source" href="command.html">
command.coffee
</a>
<a class="source" href="grammar.html">
grammar.coffee
</a>
<a class="source" href="helpers.html">
helpers.coffee
</a>
<a class="source" href="index.html">
index.coffee
</a>
<a class="source" href="lexer.html">
lexer.coffee
</a>
<a class="source" href="nodes.html">
nodes.coffee
</a>
<a class="source" href="optparse.html">
optparse.coffee
</a>
<a class="source" href="repl.html">
repl.coffee
</a>
<a class="source" href="rewriter.html">
rewriter.coffee
</a>
<a class="source" href="scope.html">
scope.litcoffee
</a>
<a class="source" href="sourcemap.html">
sourcemap.litcoffee
</a>
</div>
</li>
</ul>
<ul class="sections">
<li id="title">
<div class="annotation">
<h1>optparse.coffee</h1>
</div>
</li>
<li id="section-1">
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<a class="pilcrow" href="#section-1">&#182;</a>
</div>
</div>
<div class="content"><div class='highlight'><pre>{repeat} = require <span class="string">'./helpers'</span></pre></div></div>
</li>
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</div>
<p>A simple <strong>OptionParser</strong> class to parse option flags from the command-line.
Use it like so:
</p>
<pre><code>parser = new OptionParser switches, helpBanner
options = parser.parse process.argv</code></pre>
<p>The first non-option is considered to be the start of the file (and file
option) list, and all subsequent arguments are left unparsed.
</p>
</div>
<div class="content"><div class='highlight'><pre>exports.OptionParser = <span class="class"><span class="keyword">class</span> <span class="title">OptionParser</span></span></pre></div></div>
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</div>
<p>Initialize with a list of valid options, in the form:
</p>
<pre><code>[short-flag, long-flag, description]</code></pre>
<p>Along with an an optional banner for the usage help.
</p>
</div>
<div class="content"><div class='highlight'><pre> constructor: (rules, <span class="property">@banner</span>) -&gt;
<span class="property">@rules</span> = buildRules rules</pre></div></div>
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</div>
<p>Parse the list of arguments, populating an <code>options</code> object with all of the
specified options, and return it. Options after the first non-option
argument are treated as arguments. <code>options.arguments</code> will be an array
containing the remaining arguments. This is a simpler API than many option
parsers that allow you to attach callback actions for every flag. Instead,
you&#39;re responsible for interpreting the options object.
</p>
</div>
<div class="content"><div class='highlight'><pre> parse: (args) -&gt;
options = arguments: []
skippingArgument = <span class="literal">no</span>
originalArgs = args
args = normalizeArguments args
<span class="keyword">for</span> arg, i <span class="keyword">in</span> args
<span class="keyword">if</span> skippingArgument
skippingArgument = <span class="literal">no</span>
<span class="keyword">continue</span>
<span class="keyword">if</span> arg <span class="keyword">is</span> <span class="string">'--'</span>
pos = originalArgs.indexOf <span class="string">'--'</span>
options.arguments = options.arguments.concat originalArgs[(pos + <span class="number">1</span>)..]
<span class="keyword">break</span>
isOption = !!(arg.match(LONG_FLAG) <span class="keyword">or</span> arg.match(SHORT_FLAG))</pre></div></div>
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</div>
<p>the CS option parser is a little odd; options after the first
non-option argument are treated as non-option arguments themselves
</p>
</div>
<div class="content"><div class='highlight'><pre> seenNonOptionArg = options.arguments.length &gt; <span class="number">0</span>
<span class="keyword">unless</span> seenNonOptionArg
matchedRule = <span class="literal">no</span>
<span class="keyword">for</span> rule <span class="keyword">in</span> <span class="property">@rules</span>
<span class="keyword">if</span> rule.shortFlag <span class="keyword">is</span> arg <span class="keyword">or</span> rule.longFlag <span class="keyword">is</span> arg
value = <span class="literal">true</span>
<span class="keyword">if</span> rule.hasArgument
skippingArgument = <span class="literal">yes</span>
value = args[i + <span class="number">1</span>]
options[rule.name] = <span class="keyword">if</span> rule.isList <span class="keyword">then</span> (options[rule.name] <span class="keyword">or</span> []).concat value <span class="keyword">else</span> value
matchedRule = <span class="literal">yes</span>
<span class="keyword">break</span>
<span class="keyword">throw</span> <span class="keyword">new</span> Error <span class="string">"unrecognized option: <span class="subst">#{arg}</span>"</span> <span class="keyword">if</span> isOption <span class="keyword">and</span> <span class="keyword">not</span> matchedRule
<span class="keyword">if</span> seenNonOptionArg <span class="keyword">or</span> <span class="keyword">not</span> isOption
options.arguments.push arg
options</pre></div></div>
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<p>Return the help text for this <strong>OptionParser</strong>, listing and describing all
of the valid options, for <code>--help</code> and such.
</p>
</div>
<div class="content"><div class='highlight'><pre> help: -&gt;
lines = []
lines.unshift <span class="string">"<span class="subst">#{@banner}</span>\n"</span> <span class="keyword">if</span> <span class="property">@banner</span>
<span class="keyword">for</span> rule <span class="keyword">in</span> <span class="property">@rules</span>
spaces = <span class="number">15</span> - rule.longFlag.length
spaces = <span class="keyword">if</span> spaces &gt; <span class="number">0</span> <span class="keyword">then</span> repeat <span class="string">' '</span>, spaces <span class="keyword">else</span> <span class="string">''</span>
letPart = <span class="keyword">if</span> rule.shortFlag <span class="keyword">then</span> rule.shortFlag + <span class="string">', '</span> <span class="keyword">else</span> <span class="string">' '</span>
lines.push <span class="string">' '</span> + letPart + rule.longFlag + spaces + rule.description
<span class="string">"\n<span class="subst">#{ lines.join('\n') }</span>\n"</span></pre></div></div>
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</div>
<h2>Helpers</h2>
</div>
</li>
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</div>
</div>
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<p>Regex matchers for option flags.
</p>
</div>
<div class="content"><div class='highlight'><pre>LONG_FLAG = <span class="regexp">/^(--\w[\w\-]*)/</span>
SHORT_FLAG = <span class="regexp">/^(-\w)$/</span>
MULTI_FLAG = <span class="regexp">/^-(\w{2,})/</span>
OPTIONAL = <span class="regexp">/\[(\w+(\*?))\]/</span></pre></div></div>
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</div>
<p>Build and return the list of option rules. If the optional <em>short-flag</em> is
unspecified, leave it out by padding with <code>null</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">buildRules</span></span> = (rules) -&gt;
<span class="keyword">for</span> tuple <span class="keyword">in</span> rules
tuple.unshift <span class="literal">null</span> <span class="keyword">if</span> tuple.length &lt; <span class="number">3</span>
buildRule tuple...</pre></div></div>
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</div>
<p>Build a rule from a <code>-o</code> short flag, a <code>--output [DIR]</code> long flag, and the
description of what the option does.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">buildRule</span></span> = (shortFlag, longFlag, description, options = {}) -&gt;
match = longFlag.match(OPTIONAL)
longFlag = longFlag.match(LONG_FLAG)[<span class="number">1</span>]
{
name: longFlag.substr <span class="number">2</span>
shortFlag: shortFlag
longFlag: longFlag
description: description
hasArgument: !!(match <span class="keyword">and</span> match[<span class="number">1</span>])
isList: !!(match <span class="keyword">and</span> match[<span class="number">2</span>])
}</pre></div></div>
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</div>
<p>Normalize arguments by expanding merged flags into multiple flags. This allows
you to have <code>-wl</code> be the same as <code>--watch --lint</code>.
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">normalizeArguments</span></span> = (args) -&gt;
args = args[..]
result = []
<span class="keyword">for</span> arg <span class="keyword">in</span> args
<span class="keyword">if</span> match = arg.match MULTI_FLAG
result.push <span class="string">'-'</span> + l <span class="keyword">for</span> l <span class="keyword">in</span> match[<span class="number">1</span>].split <span class="string">''</span>
<span class="keyword">else</span>
result.push arg
result</pre></div></div>
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/*! normalize.css v2.0.1 | MIT License | git.io/normalize */
/* ==========================================================================
HTML5 display definitions
========================================================================== */
/*
* Corrects `block` display not defined in IE 8/9.
*/
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
nav,
section,
summary {
display: block;
}
/*
* Corrects `inline-block` display not defined in IE 8/9.
*/
audio,
canvas,
video {
display: inline-block;
}
/*
* Prevents modern browsers from displaying `audio` without controls.
* Remove excess height in iOS 5 devices.
*/
audio:not([controls]) {
display: none;
height: 0;
}
/*
* Addresses styling for `hidden` attribute not present in IE 8/9.
*/
[hidden] {
display: none;
}
/* ==========================================================================
Base
========================================================================== */
/*
* 1. Sets default font family to sans-serif.
* 2. Prevents iOS text size adjust after orientation change, without disabling
* user zoom.
*/
html {
font-family: sans-serif; /* 1 */
-webkit-text-size-adjust: 100%; /* 2 */
-ms-text-size-adjust: 100%; /* 2 */
}
/*
* Removes default margin.
*/
body {
margin: 0;
}
/* ==========================================================================
Links
========================================================================== */
/*
* Addresses `outline` inconsistency between Chrome and other browsers.
*/
a:focus {
outline: thin dotted;
}
/*
* Improves readability when focused and also mouse hovered in all browsers.
*/
a:active,
a:hover {
outline: 0;
}
/* ==========================================================================
Typography
========================================================================== */
/*
* Addresses `h1` font sizes within `section` and `article` in Firefox 4+,
* Safari 5, and Chrome.
*/
h1 {
font-size: 2em;
}
/*
* Addresses styling not present in IE 8/9, Safari 5, and Chrome.
*/
abbr[title] {
border-bottom: 1px dotted;
}
/*
* Addresses style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
*/
b,
strong {
font-weight: bold;
}
/*
* Addresses styling not present in Safari 5 and Chrome.
*/
dfn {
font-style: italic;
}
/*
* Addresses styling not present in IE 8/9.
*/
mark {
background: #ff0;
color: #000;
}
/*
* Corrects font family set oddly in Safari 5 and Chrome.
*/
code,
kbd,
pre,
samp {
font-family: monospace, serif;
font-size: 1em;
}
/*
* Improves readability of pre-formatted text in all browsers.
*/
pre {
white-space: pre;
white-space: pre-wrap;
word-wrap: break-word;
}
/*
* Sets consistent quote types.
*/
q {
quotes: "\201C" "\201D" "\2018" "\2019";
}
/*
* Addresses inconsistent and variable font size in all browsers.
*/
small {
font-size: 80%;
}
/*
* Prevents `sub` and `sup` affecting `line-height` in all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sup {
top: -0.5em;
}
sub {
bottom: -0.25em;
}
/* ==========================================================================
Embedded content
========================================================================== */
/*
* Removes border when inside `a` element in IE 8/9.
*/
img {
border: 0;
}
/*
* Corrects overflow displayed oddly in IE 9.
*/
svg:not(:root) {
overflow: hidden;
}
/* ==========================================================================
Figures
========================================================================== */
/*
* Addresses margin not present in IE 8/9 and Safari 5.
*/
figure {
margin: 0;
}
/* ==========================================================================
Forms
========================================================================== */
/*
* Define consistent border, margin, and padding.
*/
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
/*
* 1. Corrects color not being inherited in IE 8/9.
* 2. Remove padding so people aren't caught out if they zero out fieldsets.
*/
legend {
border: 0; /* 1 */
padding: 0; /* 2 */
}
/*
* 1. Corrects font family not being inherited in all browsers.
* 2. Corrects font size not being inherited in all browsers.
* 3. Addresses margins set differently in Firefox 4+, Safari 5, and Chrome
*/
button,
input,
select,
textarea {
font-family: inherit; /* 1 */
font-size: 100%; /* 2 */
margin: 0; /* 3 */
}
/*
* Addresses Firefox 4+ setting `line-height` on `input` using `!important` in
* the UA stylesheet.
*/
button,
input {
line-height: normal;
}
/*
* 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
* and `video` controls.
* 2. Corrects inability to style clickable `input` types in iOS.
* 3. Improves usability and consistency of cursor style between image-type
* `input` and others.
*/
button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
-webkit-appearance: button; /* 2 */
cursor: pointer; /* 3 */
}
/*
* Re-set default cursor for disabled elements.
*/
button[disabled],
input[disabled] {
cursor: default;
}
/*
* 1. Addresses box sizing set to `content-box` in IE 8/9.
* 2. Removes excess padding in IE 8/9.
*/
input[type="checkbox"],
input[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
/*
* 1. Addresses `appearance` set to `searchfield` in Safari 5 and Chrome.
* 2. Addresses `box-sizing` set to `border-box` in Safari 5 and Chrome
* (include `-moz` to future-proof).
*/
input[type="search"] {
-webkit-appearance: textfield; /* 1 */
-moz-box-sizing: content-box;
-webkit-box-sizing: content-box; /* 2 */
box-sizing: content-box;
}
/*
* Removes inner padding and search cancel button in Safari 5 and Chrome
* on OS X.
*/
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/*
* Removes inner padding and border in Firefox 4+.
*/
button::-moz-focus-inner,
input::-moz-focus-inner {
border: 0;
padding: 0;
}
/*
* 1. Removes default vertical scrollbar in IE 8/9.
* 2. Improves readability and alignment in all browsers.
*/
textarea {
overflow: auto; /* 1 */
vertical-align: top; /* 2 */
}
/* ==========================================================================
Tables
========================================================================== */
/*
* Remove most spacing between table cells.
*/
table {
border-collapse: collapse;
border-spacing: 0;
}

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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>repl.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
</div>
<div class="content"><div class='highlight'><pre>fs = require <span class="string">'fs'</span>
path = require <span class="string">'path'</span>
vm = require <span class="string">'vm'</span>
nodeREPL = require <span class="string">'repl'</span>
CoffeeScript = require <span class="string">'./coffee-script'</span>
{merge, prettyErrorMessage} = require <span class="string">'./helpers'</span>
replDefaults =
prompt: <span class="string">'coffee&gt; '</span>,
historyFile: path.join process.env.HOME, <span class="string">'.coffee_history'</span> <span class="keyword">if</span> process.env.HOME
historyMaxInputSize: <span class="number">10240</span>
eval: (input, context, filename, cb) -&gt;</pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>XXX: multiline hack.
</p>
</div>
<div class="content"><div class='highlight'><pre> input = input.replace <span class="regexp">/\uFF00/g</span>, <span class="string">'\n'</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Node&#39;s REPL sends the input ending with a newline and then wrapped in
parens. Unwrap all that.
</p>
</div>
<div class="content"><div class='highlight'><pre> input = input.replace <span class="regexp">/^\(([\s\S]*)\n\)$/m</span>, <span class="string">'$1'</span></pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>Require AST nodes to do some AST manipulation.
</p>
</div>
<div class="content"><div class='highlight'><pre> {Block, Assign, Value, Literal} = require <span class="string">'./nodes'</span>
<span class="keyword">try</span></pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>Generate the AST of the clean input.
</p>
</div>
<div class="content"><div class='highlight'><pre> ast = CoffeeScript.nodes input</pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Add assignment to <code>_</code> variable to force the input to be an expression.
</p>
</div>
<div class="content"><div class='highlight'><pre> ast = <span class="keyword">new</span> Block [
<span class="keyword">new</span> Assign (<span class="keyword">new</span> Value <span class="keyword">new</span> Literal <span class="string">'_'</span>), ast, <span class="string">'='</span>
]
js = ast.compile bare: <span class="literal">yes</span>, locals: Object.keys(context)
cb <span class="literal">null</span>, vm.runInContext(js, context, filename)
<span class="keyword">catch</span> err
cb prettyErrorMessage(err, filename, input, <span class="literal">yes</span>)
<span class="function"><span class="title">addMultilineHandler</span></span> = (repl) -&gt;
{rli, inputStream, outputStream} = repl
multiline =
enabled: <span class="literal">off</span>
initialPrompt: repl.prompt.replace <span class="regexp">/^[^&gt; ]*/, (x) -&gt; x.replace /./g</span>, <span class="string">'-'</span>
prompt: repl.prompt.replace <span class="regexp">/^[^&gt; ]*&gt;?/, (x) -&gt; x.replace /./g</span>, <span class="string">'.'</span>
buffer: <span class="string">''</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Proxy node&#39;s line listener
</p>
</div>
<div class="content"><div class='highlight'><pre> nodeLineListener = rli.listeners(<span class="string">'line'</span>)[<span class="number">0</span>]
rli.removeListener <span class="string">'line'</span>, nodeLineListener
rli.<span class="literal">on</span> <span class="string">'line'</span>, (cmd) -&gt;
<span class="keyword">if</span> multiline.enabled
multiline.buffer += <span class="string">"<span class="subst">#{cmd}</span>\n"</span>
rli.setPrompt multiline.prompt
rli.prompt <span class="literal">true</span>
<span class="keyword">else</span>
nodeLineListener cmd
<span class="keyword">return</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Handle Ctrl-v
</p>
</div>
<div class="content"><div class='highlight'><pre> inputStream.<span class="literal">on</span> <span class="string">'keypress'</span>, (char, key) -&gt;
<span class="keyword">return</span> <span class="keyword">unless</span> key <span class="keyword">and</span> key.ctrl <span class="keyword">and</span> <span class="keyword">not</span> key.meta <span class="keyword">and</span> <span class="keyword">not</span> key.shift <span class="keyword">and</span> key.name <span class="keyword">is</span> <span class="string">'v'</span>
<span class="keyword">if</span> multiline.enabled</pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>allow arbitrarily switching between modes any time before multiple lines are entered
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">unless</span> multiline.buffer.match <span class="regexp">/\n/</span>
multiline.enabled = <span class="keyword">not</span> multiline.enabled
rli.setPrompt repl.prompt
rli.prompt <span class="literal">true</span>
<span class="keyword">return</span></pre></div></div>
</li>
<li id="section-10">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-10">&#182;</a>
</div>
<p>no-op unless the current line is empty
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">return</span> <span class="keyword">if</span> rli.line? <span class="keyword">and</span> <span class="keyword">not</span> rli.line.match <span class="regexp">/^\s*$/</span></pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>eval, print, loop
</p>
</div>
<div class="content"><div class='highlight'><pre> multiline.enabled = <span class="keyword">not</span> multiline.enabled
rli.line = <span class="string">''</span>
rli.cursor = <span class="number">0</span>
rli.output.cursorTo <span class="number">0</span>
rli.output.clearLine <span class="number">1</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>XXX: multiline hack
</p>
</div>
<div class="content"><div class='highlight'><pre> multiline.buffer = multiline.buffer.replace <span class="regexp">/\n/g</span>, <span class="string">'\uFF00'</span>
rli.emit <span class="string">'line'</span>, multiline.buffer
multiline.buffer = <span class="string">''</span>
<span class="keyword">else</span>
multiline.enabled = <span class="keyword">not</span> multiline.enabled
rli.setPrompt multiline.initialPrompt
rli.prompt <span class="literal">true</span>
<span class="keyword">return</span></pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Store and load command history from a file
</p>
</div>
<div class="content"><div class='highlight'><pre><span class="function"><span class="title">addHistory</span></span> = (repl, filename, maxSize) -&gt;
lastLine = <span class="literal">null</span>
<span class="keyword">try</span></pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Get file info and at most maxSize of command history
</p>
</div>
<div class="content"><div class='highlight'><pre> stat = fs.statSync filename
size = Math.min maxSize, stat.size</pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Read last <code>size</code> bytes from the file
</p>
</div>
<div class="content"><div class='highlight'><pre> readFd = fs.openSync filename, <span class="string">'r'</span>
buffer = <span class="keyword">new</span> Buffer(size)
fs.readSync readFd, buffer, <span class="number">0</span>, size, stat.size - size</pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-16">&#182;</a>
</div>
<p>Set the history on the interpreter
</p>
</div>
<div class="content"><div class='highlight'><pre> repl.rli.history = buffer.toString().split(<span class="string">'\n'</span>).reverse()</pre></div></div>
</li>
<li id="section-17">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-17">&#182;</a>
</div>
<p>If the history file was truncated we should pop off a potential partial line
</p>
</div>
<div class="content"><div class='highlight'><pre> repl.rli.history.pop() <span class="keyword">if</span> stat.size &gt; maxSize</pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-18">&#182;</a>
</div>
<p>Shift off the final blank newline
</p>
</div>
<div class="content"><div class='highlight'><pre> repl.rli.history.shift() <span class="keyword">if</span> repl.rli.history[<span class="number">0</span>] <span class="keyword">is</span> <span class="string">''</span>
repl.rli.historyIndex = -<span class="number">1</span>
lastLine = repl.rli.history[<span class="number">0</span>]
fd = fs.openSync filename, <span class="string">'a'</span>
repl.rli.addListener <span class="string">'line'</span>, (code) -&gt;
<span class="keyword">if</span> code <span class="keyword">and</span> code.length <span class="keyword">and</span> code <span class="keyword">isnt</span> <span class="string">'.history'</span> <span class="keyword">and</span> lastLine <span class="keyword">isnt</span> code</pre></div></div>
</li>
<li id="section-19">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-19">&#182;</a>
</div>
<p>Save the latest command in the file
</p>
</div>
<div class="content"><div class='highlight'><pre> fs.write fd, <span class="string">"<span class="subst">#{code}</span>\n"</span>
lastLine = code
repl.rli.<span class="literal">on</span> <span class="string">'exit'</span>, -&gt; fs.close fd</pre></div></div>
</li>
<li id="section-20">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-20">&#182;</a>
</div>
<p>Add a command to show the history stack
</p>
</div>
<div class="content"><div class='highlight'><pre> repl.commands[<span class="string">'.history'</span>] =
help: <span class="string">'Show command history'</span>
action: -&gt;
repl.outputStream.write <span class="string">"<span class="subst">#{repl.rli.history[..].reverse().join '\n'}</span>\n"</span>
repl.displayPrompt()
module.exports =
start: (opts = {}) -&gt;
[major, minor, build] = process.versions.node.split(<span class="string">'.'</span>).map (n) -&gt; parseInt(n)
<span class="keyword">if</span> major <span class="keyword">is</span> <span class="number">0</span> <span class="keyword">and</span> minor &lt; <span class="number">8</span>
console.warn <span class="string">"Node 0.8.0+ required for CoffeeScript REPL"</span>
process.exit <span class="number">1</span>
opts = merge replDefaults, opts
repl = nodeREPL.start opts
repl.<span class="literal">on</span> <span class="string">'exit'</span>, -&gt; repl.outputStream.write <span class="string">'\n'</span>
addMultilineHandler repl
addHistory repl, opts.historyFile, opts.historyMaxInputSize <span class="keyword">if</span> opts.historyFile
repl</pre></div></div>
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</ul>
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<title>scope.litcoffee</title>
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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>scope.litcoffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>The <strong>Scope</strong> class regulates lexical scoping within CoffeeScript. As you
generate code, you create a tree of scopes in the same shape as the nested
function bodies. Each scope knows about the variables declared within it,
and has a reference to its parent enclosing scope. In this way, we know which
variables are new and need to be declared with <code>var</code>, and which are shared
with external scopes.
</p>
</div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Import the helpers we plan to use.
</p>
</div>
<div class="content"><div class='highlight'><pre>
{extend, last} = require <span class="string">'./helpers'</span>
exports.Scope = <span class="class"><span class="keyword">class</span> <span class="title">Scope</span></span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>The <code>root</code> is the top-level <strong>Scope</strong> object for a given file.
</p>
</div>
<div class="content"><div class='highlight'><pre>
<span class="property">@root</span>: <span class="literal">null</span></pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>Initialize a scope with its parent, for lookups up the chain,
as well as a reference to the <strong>Block</strong> node it belongs to, which is
where it should declare its variables, and a reference to the function that
it belongs to.
</p>
</div>
<div class="content"><div class='highlight'><pre>
constructor: (<span class="property">@parent</span>, <span class="property">@expressions</span>, <span class="property">@method</span>) -&gt;
<span class="property">@variables</span> = [{name: <span class="string">'arguments'</span>, type: <span class="string">'arguments'</span>}]
<span class="property">@positions</span> = {}
Scope.root = <span class="keyword">this</span> <span class="keyword">unless</span> <span class="property">@parent</span></pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>Adds a new variable or overrides an existing one.
</p>
</div>
<div class="content"><div class='highlight'><pre>
add: (name, type, immediate) -&gt;
<span class="keyword">return</span> <span class="property">@parent</span>.add name, type, immediate <span class="keyword">if</span> <span class="property">@shared</span> <span class="keyword">and</span> <span class="keyword">not</span> immediate
<span class="keyword">if</span> Object::hasOwnProperty.call <span class="property">@positions</span>, name
<span class="property">@variables</span>[<span class="property">@positions</span>[name]].type = type
<span class="keyword">else</span>
<span class="property">@positions</span>[name] = <span class="property">@variables</span>.push({name, type}) - <span class="number">1</span></pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>When <code>super</code> is called, we need to find the name of the current method we&#39;re
in, so that we know how to invoke the same method of the parent class. This
can get complicated if super is being called from an inner function.
<code>namedMethod</code> will walk up the scope tree until it either finds the first
function object that has a name filled in, or bottoms out.
</p>
</div>
<div class="content"><div class='highlight'><pre>
namedMethod: -&gt;
<span class="keyword">return</span> <span class="property">@method</span> <span class="keyword">if</span> <span class="property">@method</span>?.name <span class="keyword">or</span> !<span class="property">@parent</span>
<span class="property">@parent</span>.namedMethod()</pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Look up a variable name in lexical scope, and declare it if it does not
already exist.
</p>
</div>
<div class="content"><div class='highlight'><pre>
find: (name) -&gt;
<span class="keyword">return</span> <span class="literal">yes</span> <span class="keyword">if</span> <span class="property">@check</span> name
<span class="property">@add</span> name, <span class="string">'var'</span>
<span class="literal">no</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Reserve a variable name as originating from a function parameter for this
scope. No <code>var</code> required for internal references.
</p>
</div>
<div class="content"><div class='highlight'><pre>
parameter: (name) -&gt;
<span class="keyword">return</span> <span class="keyword">if</span> <span class="property">@shared</span> <span class="keyword">and</span> <span class="property">@parent</span>.check name, <span class="literal">yes</span>
<span class="property">@add</span> name, <span class="string">'param'</span></pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap ">
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</div>
<p>Just check to see if a variable has already been declared, without reserving,
walks up to the root scope.
</p>
</div>
<div class="content"><div class='highlight'><pre>
check: (name) -&gt;
!!(<span class="property">@type</span>(name) <span class="keyword">or</span> <span class="property">@parent</span>?.check(name))</pre></div></div>
</li>
<li id="section-10">
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</div>
<p>Generate a temporary variable name at the given index.
</p>
</div>
<div class="content"><div class='highlight'><pre>
temporary: (name, index) -&gt;
<span class="keyword">if</span> name.length &gt; <span class="number">1</span>
<span class="string">'_'</span> + name + <span class="keyword">if</span> index &gt; <span class="number">1</span> <span class="keyword">then</span> index - <span class="number">1</span> <span class="keyword">else</span> <span class="string">''</span>
<span class="keyword">else</span>
<span class="string">'_'</span> + (index + parseInt name, <span class="number">36</span>).toString(<span class="number">36</span>).replace <span class="regexp">/\d/g</span>, <span class="string">'a'</span></pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
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</div>
<p>Gets the type of a variable.
</p>
</div>
<div class="content"><div class='highlight'><pre>
type: (name) -&gt;
<span class="keyword">return</span> v.type <span class="keyword">for</span> v <span class="keyword">in</span> <span class="property">@variables</span> <span class="keyword">when</span> v.name <span class="keyword">is</span> name
<span class="literal">null</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
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</div>
<p>If we need to store an intermediate result, find an available name for a
compiler-generated variable. <code>_var</code>, <code>_var2</code>, and so on...
</p>
</div>
<div class="content"><div class='highlight'><pre>
freeVariable: (name, reserve=<span class="literal">true</span>) -&gt;
index = <span class="number">0</span>
index++ <span class="keyword">while</span> <span class="property">@check</span>((temp = <span class="property">@temporary</span> name, index))
<span class="property">@add</span> temp, <span class="string">'var'</span>, <span class="literal">yes</span> <span class="keyword">if</span> reserve
temp</pre></div></div>
</li>
<li id="section-13">
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<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Ensure that an assignment is made at the top of this scope
(or at the top-level scope, if requested).
</p>
</div>
<div class="content"><div class='highlight'><pre>
assign: (name, value) -&gt;
<span class="property">@add</span> name, {value, assigned: <span class="literal">yes</span>}, <span class="literal">yes</span>
<span class="property">@hasAssignments</span> = <span class="literal">yes</span></pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
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</div>
<p>Does this scope have any declared variables?
</p>
</div>
<div class="content"><div class='highlight'><pre>
hasDeclarations: -&gt;
!!<span class="property">@declaredVariables</span>().length</pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
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</div>
<p>Return the list of variables first declared in this scope.
</p>
</div>
<div class="content"><div class='highlight'><pre>
declaredVariables: -&gt;
realVars = []
tempVars = []
<span class="keyword">for</span> v <span class="keyword">in</span> <span class="property">@variables</span> <span class="keyword">when</span> v.type <span class="keyword">is</span> <span class="string">'var'</span>
(<span class="keyword">if</span> v.name.charAt(<span class="number">0</span>) <span class="keyword">is</span> <span class="string">'_'</span> <span class="keyword">then</span> tempVars <span class="keyword">else</span> realVars).push v.name
realVars.sort().concat tempVars.sort()</pre></div></div>
</li>
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</div>
<p>Return the list of assignments that are supposed to be made at the top
of this scope.
</p>
</div>
<div class="content"><div class='highlight'><pre>
assignedVariables: -&gt;
<span class="string">"<span class="subst">#{v.name}</span> = <span class="subst">#{v.type.value}</span>"</span> <span class="keyword">for</span> v <span class="keyword">in</span> <span class="property">@variables</span> <span class="keyword">when</span> v.type.assigned</pre></div></div>
</li>
</ul>
</div>
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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>sourcemap.litcoffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>Source maps allow JavaScript runtimes to match running JavaScript back to
the original source code that corresponds to it. This can be minified
JavaScript, but in our case, we&#39;re concerned with mapping pretty-printed
JavaScript back to CoffeeScript.
</p>
</div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>In order to produce maps, we must keep track of positions (line number, column number)
that originated every node in the syntax tree, and be able to generate a
<a href="https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit">map file</a>
— which is a compact, VLQ-encoded representation of the JSON serialization
of this information — to write out alongside the generated JavaScript.
</p>
</div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap for-h2">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<h2>LineMap</h2>
</div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
</div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>A <strong>LineMap</strong> object keeps track of information about original line and column
positions for a single line of output JavaScript code.
<strong>SourceMaps</strong> are implemented in terms of <strong>LineMaps</strong>.
</p>
</div>
<div class="content"><div class='highlight'><pre>
<span class="class"><span class="keyword">class</span> <span class="title">LineMap</span></span>
constructor: (<span class="property">@line</span>) -&gt;
<span class="property">@columns</span> = []
add: (column, [sourceLine, sourceColumn], options={}) -&gt;
<span class="keyword">return</span> <span class="keyword">if</span> <span class="property">@columns</span>[column] <span class="keyword">and</span> options.noReplace
<span class="property">@columns</span>[column] = {line: <span class="property">@line</span>, column, sourceLine, sourceColumn}
sourceLocation: (column) -&gt;
column-- <span class="keyword">until</span> (mapping = <span class="property">@columns</span>[column]) <span class="keyword">or</span> (column &lt;= <span class="number">0</span>)
mapping <span class="keyword">and</span> [mapping.sourceLine, mapping.sourceColumn]</pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap for-h2">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<h2>SourceMap</h2>
</div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
</div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Maps locations in a single generated JavaScript file back to locations in
the original CoffeeScript source file.
</p>
</div>
</li>
<li id="section-9">
<div class="annotation">
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<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>This is intentionally agnostic towards how a source map might be represented on
disk. Once the compiler is ready to produce a &quot;v3&quot;-style source map, we can walk
through the arrays of line and column buffer to produce it.
</p>
</div>
<div class="content"><div class='highlight'><pre>
<span class="class"><span class="keyword">class</span> <span class="title">SourceMap</span></span>
constructor: -&gt;
<span class="property">@lines</span> = []</pre></div></div>
</li>
<li id="section-10">
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</div>
<p>Adds a mapping to this SourceMap. <code>sourceLocation</code> and <code>generatedLocation</code>
are both <code>[line, column]</code> arrays. If <code>options.noReplace</code> is true, then if there
is already a mapping for the specified <code>line</code> and <code>column</code>, this will have no
effect.
</p>
</div>
<div class="content"><div class='highlight'><pre>
add: (sourceLocation, generatedLocation, options = {}) -&gt;
[line, column] = generatedLocation
lineMap = (<span class="property">@lines</span>[line] <span class="keyword">or</span>= <span class="keyword">new</span> LineMap(line))
lineMap.add column, sourceLocation, options</pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
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<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>Look up the original position of a given <code>line</code> and <code>column</code> in the generated
code.
</p>
</div>
<div class="content"><div class='highlight'><pre>
sourceLocation: ([line, column]) -&gt;
line-- <span class="keyword">until</span> (lineMap = <span class="property">@lines</span>[line]) <span class="keyword">or</span> (line &lt;= <span class="number">0</span>)
lineMap <span class="keyword">and</span> lineMap.sourceLocation column</pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap for-h2">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<h2>V3 SourceMap Generation</h2>
</div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
</div>
</li>
<li id="section-14">
<div class="annotation">
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<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Builds up a V3 source map, returning the generated JSON as a string.
<code>options.sourceRoot</code> may be used to specify the sourceRoot written to the source
map. Also, <code>options.sourceFiles</code> and <code>options.generatedFile</code> may be passed to
set &quot;sources&quot; and &quot;file&quot;, respectively.
</p>
</div>
<div class="content"><div class='highlight'><pre>
generate: (options = {}, code = <span class="literal">null</span>) -&gt;
writingline = <span class="number">0</span>
lastColumn = <span class="number">0</span>
lastSourceLine = <span class="number">0</span>
lastSourceColumn = <span class="number">0</span>
needComma = <span class="literal">no</span>
buffer = <span class="string">""</span>
<span class="keyword">for</span> lineMap, lineNumber <span class="keyword">in</span> <span class="property">@lines</span> <span class="keyword">when</span> lineMap
<span class="keyword">for</span> mapping <span class="keyword">in</span> lineMap.columns <span class="keyword">when</span> mapping
<span class="keyword">while</span> writingline &lt; mapping.line
lastColumn = <span class="number">0</span>
needComma = <span class="literal">no</span>
buffer += <span class="string">";"</span>
writingline++</pre></div></div>
</li>
<li id="section-15">
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<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Write a comma if we&#39;ve already written a segment on this line.
</p>
</div>
<div class="content"><div class='highlight'><pre>
<span class="keyword">if</span> needComma
buffer += <span class="string">","</span>
needComma = <span class="literal">no</span></pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
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<a class="pilcrow" href="#section-16">&#182;</a>
</div>
<p>Write the next segment. Segments can be 1, 4, or 5 values. If just one, then it
is a generated column which doesn&#39;t match anything in the source code.
</p>
</div>
</li>
<li id="section-17">
<div class="annotation">
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<a class="pilcrow" href="#section-17">&#182;</a>
</div>
<p>The starting column in the generated source, relative to any previous recorded
column for the current line:
</p>
</div>
<div class="content"><div class='highlight'><pre>
buffer += <span class="property">@encodeVlq</span> mapping.column - lastColumn
lastColumn = mapping.column</pre></div></div>
</li>
<li id="section-18">
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</div>
<p>The index into the list of sources:
</p>
</div>
<div class="content"><div class='highlight'><pre>
buffer += <span class="property">@encodeVlq</span> <span class="number">0</span></pre></div></div>
</li>
<li id="section-19">
<div class="annotation">
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<a class="pilcrow" href="#section-19">&#182;</a>
</div>
<p>The starting line in the original source, relative to the previous source line.
</p>
</div>
<div class="content"><div class='highlight'><pre>
buffer += <span class="property">@encodeVlq</span> mapping.sourceLine - lastSourceLine
lastSourceLine = mapping.sourceLine</pre></div></div>
</li>
<li id="section-20">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-20">&#182;</a>
</div>
<p>The starting column in the original source, relative to the previous column.
</p>
</div>
<div class="content"><div class='highlight'><pre>
buffer += <span class="property">@encodeVlq</span> mapping.sourceColumn - lastSourceColumn
lastSourceColumn = mapping.sourceColumn
needComma = <span class="literal">yes</span></pre></div></div>
</li>
<li id="section-21">
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</div>
<p>Produce the canonical JSON object format for a &quot;v3&quot; source map.
</p>
</div>
<div class="content"><div class='highlight'><pre>
v3 =
version: <span class="number">3</span>
file: options.generatedFile <span class="keyword">or</span> <span class="string">''</span>
sourceRoot: options.sourceRoot <span class="keyword">or</span> <span class="string">''</span>
sources: options.sourceFiles <span class="keyword">or</span> [<span class="string">''</span>]
names: []
mappings: buffer
v3.sourcesContent = [code] <span class="keyword">if</span> options.inline
JSON.stringify v3, <span class="literal">null</span>, <span class="number">2</span></pre></div></div>
</li>
<li id="section-22">
<div class="annotation">
<div class="pilwrap for-h2">
<a class="pilcrow" href="#section-22">&#182;</a>
</div>
<h2>Base64 VLQ Encoding</h2>
</div>
</li>
<li id="section-23">
<div class="annotation">
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<a class="pilcrow" href="#section-23">&#182;</a>
</div>
</div>
</li>
<li id="section-24">
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<a class="pilcrow" href="#section-24">&#182;</a>
</div>
<p>Note that SourceMap VLQ encoding is &quot;backwards&quot;. MIDI-style VLQ encoding puts
the most-significant-bit (MSB) from the original value into the MSB of the VLQ
encoded value (see <a href="http://en.wikipedia.org/wiki/File:Uintvar_coding.svg">Wikipedia</a>).
SourceMap VLQ does things the other way around, with the least significat four
bits of the original value encoded into the first byte of the VLQ encoded value.
</p>
</div>
<div class="content"><div class='highlight'><pre>
VLQ_SHIFT = <span class="number">5</span>
VLQ_CONTINUATION_BIT = <span class="number">1</span> &lt;&lt; VLQ_SHIFT <span class="comment"># 0010 0000</span>
VLQ_VALUE_MASK = VLQ_CONTINUATION_BIT - <span class="number">1</span> <span class="comment"># 0001 1111</span>
encodeVlq: (value) -&gt;
answer = <span class="string">''</span></pre></div></div>
</li>
<li id="section-25">
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</div>
<p>Least significant bit represents the sign.
</p>
</div>
<div class="content"><div class='highlight'><pre> signBit = <span class="keyword">if</span> value &lt; <span class="number">0</span> <span class="keyword">then</span> <span class="number">1</span> <span class="keyword">else</span> <span class="number">0</span></pre></div></div>
</li>
<li id="section-26">
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<div class="pilwrap ">
<a class="pilcrow" href="#section-26">&#182;</a>
</div>
<p>The next bits are the actual value.
</p>
</div>
<div class="content"><div class='highlight'><pre> valueToEncode = (Math.abs(value) &lt;&lt; <span class="number">1</span>) + signBit</pre></div></div>
</li>
<li id="section-27">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-27">&#182;</a>
</div>
<p>Make sure we encode at least one character, even if valueToEncode is 0.
</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="keyword">while</span> valueToEncode <span class="keyword">or</span> <span class="keyword">not</span> answer
nextChunk = valueToEncode &amp; VLQ_VALUE_MASK
valueToEncode = valueToEncode &gt;&gt; VLQ_SHIFT
nextChunk |= VLQ_CONTINUATION_BIT <span class="keyword">if</span> valueToEncode
answer += <span class="property">@encodeBase64</span> nextChunk
answer</pre></div></div>
</li>
<li id="section-28">
<div class="annotation">
<div class="pilwrap for-h2">
<a class="pilcrow" href="#section-28">&#182;</a>
</div>
<h2>Regular Base64 Encoding</h2>
</div>
</li>
<li id="section-29">
<div class="annotation">
<div class="pilwrap ">
<a class="pilcrow" href="#section-29">&#182;</a>
</div>
</div>
<div class="content"><div class='highlight'><pre>
BASE64_CHARS = <span class="string">'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'</span>
encodeBase64: (value) -&gt;
BASE64_CHARS[value] <span class="keyword">or</span> <span class="keyword">throw</span> <span class="keyword">new</span> Error <span class="string">"Cannot Base64 encode value: <span class="subst">#{value}</span>"</span></pre></div></div>
</li>
<li id="section-30">
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<a class="pilcrow" href="#section-30">&#182;</a>
</div>
<p>Our API for source maps is just the <code>SourceMap</code> class.
</p>
</div>
<div class="content"><div class='highlight'><pre>
module.exports = SourceMap</pre></div></div>
</li>
</ul>
</div>
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<%
require 'uv'
def code_for(file, executable=false)
@stripper ||= /(\A\(function\(\)\{\n|\}\)\(\);\Z|^ )/
return '' unless File.exists?("documentation/js/#{file}.js")
cs = File.read("documentation/coffee/#{file}.coffee")
js = File.read("documentation/js/#{file}.js").gsub(@stripper, '')
cshtml = Uv.parse(cs, 'xhtml', 'coffeescript', false, 'idle', false)
jshtml = Uv.parse(js, 'xhtml', 'javascript', false, 'idle', false)
append = executable == true ? '' : "alert(#{executable});"
run = executable == true ? 'run' : "run: #{executable}"
button = executable ? "<button onclick='javascript: #{js};#{append}'>#{run}</button>" : ''
"<div class='code'>#{cshtml}#{jshtml}#{button}<br class='clear' /></div>"
end
%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=UTF-8" />
<title>CoffeeScript</title>
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<h1><sub style="font-size: 100px;">&#9749;</sub> CoffeeScript</h1>
<p>
CoffeeScript is a little language that compiles into JavaScript. Think
of it as JavaScript's less ostentatious kid brother &mdash; the same genes,
roughly the same height, but a different sense of style. Apart from a handful of
bonus goodies, statements in CoffeeScript correspond one-to-one with their
equivalent in JavaScript, it's just another way of saying it.
</p>
<p>
<b>Disclaimer:</b>
CoffeeScript is just for fun and seriously alpha. I'm sure that there are still
plenty of holes in the lexer and leaks in the syntax. <i>There is no guarantee,
explicit or implied, of its suitability for any purpose.</i> That said,
it compiles into clean JavaScript (the good parts) that can use existing
JavaScript libraries seamlessly, and passes through
<a href="http://www.jslint.com/">JSLint</a> without warnings. The compiled
output is quite readable &mdash; pretty-printed, with comments
preserved intact.
</p>
<h2>Table of Contents</h2>
<p>
<a href="#overview">Mini Overview</a><br />
<a href="#installation">Installation and Usage</a><br />
<a href="#punctuation">Punctuation Primer</a><br />
<a href="#functions">Functions and Invocation</a><br />
<a href="#assignment">Assignment</a><br />
<a href="#objects_and_arrays">Objects and Arrays</a><br />
<a href="#lexical_scope">Lexical Scoping and Variable Safety</a><br />
<a href="#conditionals">Conditionals, Ternaries, and Conditional Assignment</a><br />
<a href="#expressions">Everything is an Expression</a><br />
<a href="#aliases">Aliases</a><br />
<a href="#while">While Loops</a><br />
<a href="#array_comprehensions">Array Comprehensions</a><br />
<a href="#slice">Slicing Arrays with Ranges</a><br />
<a href="#inheritance">Inheritance, and Calling Super from a Subclass</a><br />
<a href="#embedded">Embedded JavaScript</a><br />
<a href="#switch">Switch/When/Else</a><br />
<a href="#try">Try/Catch/Finally</a><br />
<a href="#strings">Multiline Strings</a><br />
<a href="#resources">Resources</a><br />
<a href="#contributing">Contributing</a><br />
<a href="#change_log">Change Log</a><br />
</p>
<h2 id="overview">Mini Overview</h2>
<p><i>CoffeeScript on the left, compiled JavaScript output on the right.</i></p>
<%= code_for('overview', 'cubed_list') %>
<h2 id="installation">Installation and Usage</h2>
<p>
The CoffeeScript compiler is written in pure Ruby, and is available
as a Ruby Gem.
</p>
<pre>
gem install coffee-script</pre>
<p>
Installing the gem provides the <tt>coffee</tt> command, which can
be used to compile CoffeeScript <tt>.coffee</tt> files into JavaScript, as
well as debug them. In conjunction with
<a href="http://narwhaljs.org/">Narwhal</a>, the <tt>coffee</tt>
command also provides direct evaluation and an interactive REPL.
When compiling to JavaScript, <tt>coffee</tt> writes the output
as <tt>.js</tt> files in the same directory by default, but output
can be customized with the following options:
</p>
<table>
<tr>
<td width="25%"><code>-i, --interactive</code></td>
<td>
Launch an interactive CoffeeScript session.
Requires <a href="http://narwhaljs.org/">Narwhal</a>.
</td>
</tr>
<tr>
<td><code>-r, --run</code></td>
<td>
Compile and execute the CoffeeScripts without saving the intermediate
JavaScript. Requires <a href="http://narwhaljs.org/">Narwhal</a>.
</td>
</tr>
<tr>
<td><code>-o, --output [DIR]</code></td>
<td>
Write out all compiled JavaScript files into the specified directory.
</td>
</tr>
<tr>
<td><code>-w, --watch</code></td>
<td>
Watch the modification times of the coffee-scripts, recompiling as
soon as a change occurs.
</td>
</tr>
<tr>
<td><code>-p, --print</code></td>
<td>
Instead of writing out the JavaScript as a file, print it
directly to <b>stdout</b>.
</td>
</tr>
<tr>
<td><code>-l, --lint</code></td>
<td>
If the <tt>jsl</tt> (JavaScript Lint) command is installed, use it
to check the compilation of a CoffeeScript file. (Handy in
conjunction with <tt>--watch</tt>)
</td>
</tr>
<tr>
<td><code>-e, --eval</code></td>
<td>
Compile and print a little snippet of CoffeeScript directly from the
command line (or from <b>stdin</b>). For example:<br /><tt>coffee -e "square: x => x * x."</tt>
</td>
</tr>
<tr>
<td><code>-t, --tokens</code></td>
<td>
Instead of parsing the CoffeeScript, just lex it, and print out the
token stream: <tt>[:IDENTIFIER, "square"], [":", ":"], [:PARAM, "x"]</tt> ...
</td>
</tr>
<tr>
<td><code>-v, --verbose</code></td>
<td>
As the JavaScript is being generated, print out every step of code
generation, including lexical scope and the node in the
AST.
</td>
</tr>
<tr>
<td><code>-n, --no-wrap</code></td>
<td>
Compile the JavaScript without the top-level function safety wrapper
or var declarations, for situations where you want to add every
variable to global scope.
</td>
</tr>
<tr>
<td><code>--install-bundle</code></td>
<td>
Install the TextMate bundle for CoffeeScript syntax highlighting.
</td>
</tr>
</table>
<p>
<b>Examples:</b>
</p>
<pre>
coffee path/to/script.coffee
coffee --interactive
coffee --watch --lint experimental.coffee
coffee --print app/scripts/*.coffee > concatenation.js</pre>
<h2>Language Reference</h2>
<p>
<i>
This reference is structured so that it can be read from top to bottom,
if you like. Later sections use ideas and syntax previously introduced.
Familiarity with JavaScript is assumed.
In all of the following examples, the source CoffeeScript is provided on
the left, and the direct compilation into JavaScript is on the right.
</i>
</p>
<p id="punctuation">
<b class="header">Punctuation Primer</b>
You don't need to use semicolons <tt>;</tt> to terminate expressions, ending
the line will do just as well. All other whitespace is
not significant. Instead of using curly braces <tt>{ }</tt>
to delimit a block of code, use a period <tt>.</tt> to mark the end of a
block, for
<a href="#functions">functions</a>,
<a href="#conditionals">if-statements</a>,
<a href="#switch">switch</a>, and <a href="#try">try/catch</a>.
</p>
<p id="functions">
<b class="header">Functions and Invocation</b>
Functions are defined by a list of parameters, an arrow, and the
function body. The empty function looks like this: <tt>=>.</tt>
</p>
<%= code_for('functions', 'cube(5)') %>
<p id="assignment">
<b class="header">Assignment</b>
Use a colon <tt>:</tt> to assign, as in
<a href="http://json.org">JSON</a>. Equal signs are only needed for
mathy things.
</p>
<%= code_for('assignment', 'greeting') %>
<p>
Declarations of new variables are pushed up to the top of the current scope,
so that assignments may always be used within expressions.
</p>
<p id="objects_and_arrays">
<b class="header">Objects and Arrays</b>
Object and Array literals look very similar to their JavaScript cousins.
When you spread out each assignment on a separate line, the commas are
optional. In this way, assigning object properties looks the same as
assigning local variables.
</p>
<%= code_for('objects_and_arrays', 'song.join(",")') %>
<p id="lexical_scope">
<b class="header">Lexical Scoping and Variable Safety</b>
The CoffeeScript compiler takes care to make sure that all of your variables
are properly declared within lexical scope &mdash; you never need to write
<tt>var</tt> yourself.
</p>
<%= code_for('scope', 'new_num') %>
<p>
Notice how the variables are declared with <tt>var</tt> the first time
they appear. The second reference of <b>num</b>, within the function,
is not redeclared because <b>num</b> is still in scope. As opposed
to the second occurrence of <b>new_num</b>, in the last line.
</p>
<p>
Although suppressed within this documentation for clarity, all
CoffeeScript output is wrapped in an anonymous function:
<tt>(function(){ ... })();</tt> This safety wrapper, combined with the
automatic generation of the <tt>var</tt> keyword, make it exceedingly difficult
to pollute the global namespace by accident.
</p>
<p id="conditionals">
<b class="header">Conditionals, Ternaries, and Conditional Assignment</b>
<b>If/else</b> statements can be written without the use of parenthesis and
curly brackets. As with functions and other block expressions, conditionals
are closed with periods. No period is necessary when using the single-line
postfix form, with the <tt>if</tt> at the end.
</p>
<p>
CoffeeScript will compile <b>if</b> statements using the ternary operator
when possible, to make it easier to use the result as an expression.
</p>
<%= code_for('conditionals') %>
<p>
The conditional assignment operators are available: <tt>||=</tt>,
which only assigns a value to a variable if the variable's current value
is falsy, and <tt>&amp;&amp;=</tt>, which only replaces the value of
truthy variables.
</p>
<p id="expressions">
<b class="header">Everything is an Expression (at least, as much as possible)</b>
You might have noticed how even though we don't add return statements
to CoffeeScript functions, they nonetheless return their final value.
The CoffeeScript compiler tries to make sure that all statements in the
language can be used as expressions. Watch how the <tt>return</tt> gets
pushed down into each possible branch of execution, in the function
below.
</p>
<%= code_for('expressions', 'eldest') %>
<p>
The same mechanism is used to push down assignment through <b>switch</b>
statements, and <b>if-elses</b> (although the ternary operator is preferred).
Another part of manipulating assignment statements is
CoffeeScript's declaration of new variables at the top of the
current scope. This allows assignment to be used as a piece of an
expression.
</p>
<%= code_for('expressions_assignment', 'six') %>
<p id="aliases">
<b class="header">Aliases</b>
Because the <tt>==</tt> operator frequently causes undesirable coercion,
is intransitive, and has a different meaning than in other languages,
CoffeeScript compiles <tt>==</tt> into <tt>===</tt>, and <tt>!=</tt> into
<tt>!==</tt>.
In addition, <tt>is</tt> compiles into <tt>===</tt>,
and <tt>isnt</tt> into <tt>!==</tt>.
</p>
<p>
You can use <tt>not</tt> as an alias for <tt>!</tt>.
</p>
<p>
For logic, <tt>and</tt> compiles to <tt>&amp;&amp;</tt>, and <tt>or</tt>
into <tt>||</tt>.
</p>
<p>
Instead of a newline or semicolon, <tt>then</tt> can be used to separate
conditions from expressions, in <b>while</b>,
<b>if</b>/<b>else</b>, and <b>switch</b>/<b>when</b> statements.
</p>
<p>
As in <a href="http://yaml.org/">YAML</a>, <tt>on</tt> and <tt>yes</tt>
are the same as boolean <tt>true</tt>, while <tt>off</tt> and <tt>no</tt> are boolean <tt>false</tt>.
</p>
<p>
For single-line statements, <tt>unless</tt> can be used as the inverse of <tt>if</tt>.
</p>
<%= code_for('aliases') %>
<p id="while">
<b class="header">While Loops</b>
The only low-level loop that CoffeeScript provides is the while loop.
</p>
<%= code_for('while') %>
<p>
Other JavaScript loops, such as <b>for</b> loops and <b>do-while</b> loops
can be mimicked by variations on <b>while</b>, but the hope is that you
won't need to do that with CoffeeScript, either because you're using
<b>each</b> (<b>forEach</b>) style iterators, or...
</p>
<p id="array_comprehensions">
<b class="header">Array Comprehensions</b>
For your looping needs, CoffeeScript provides array comprehensions
similar to Python's. They replace (and compile into) <b>for</b> loops, with
optional guard clauses and the value of the current array index.
Unlike for loops, array comprehensions are expressions, and can be returned
and assigned. They should be able to handle most places where you otherwise
would use a loop, <b>each</b>/<b>forEach</b>, <b>map</b>, or <b>select</b>/<b>filter</b>.
</p>
<%= code_for('array_comprehensions') %>
<p>
If you're not iterating over an actual array, you can use a range to
specify the start and end of an array comprehension:
<tt>coundown(i) for i in [10..1].</tt>
</p>
<p id="slice">
<b class="header">Slicing Arrays with Ranges</b>
CoffeeScript borrows Ruby's
<a href="http://ruby-doc.org/core/classes/Range.html">range syntax</a>
for extracting slices of arrays. With two dots (<tt>3..5</tt>), the range
is inclusive: the first argument is the index of the first element in
the slice, and the second is the index of the last one. Three dots signify
a range that excludes the end.
</p>
<%= code_for('slices', 'numbers_copy') %>
<p id="inheritance">
<b class="header">Inheritance, and Calling Super from a Subclass</b>
JavaScript's prototypal inheritance has always been a bit of a
brain-bender, with a whole family tree of libraries that provide a cleaner
syntax for classical inheritance on top of JavaScript's prototypes:
<a href="http://code.google.com/p/base2/">Base2</a>,
<a href="http://prototypejs.org/">Prototype.js</a>,
<a href="http://jsclass.jcoglan.com/">JS.Class</a>, etc.
The libraries provide syntactic sugar, but the built-in inheritance would
be completely usable if it weren't for a couple of small exceptions:
it's awkward to call <b>super</b> (the prototype object's
implementation of the current function), and it's awkward to correctly
set the prototype chain. CoffeeScript provides <tt>extends</tt>
to help with prototype setup, and converts
<tt>super()</tt> calls into calls against the immediate ancestor's
method of the same name.
</p>
<%= code_for('super', true) %>
<p id="embedded">
<b class="header">Embedded JavaScript</b>
If you ever need to interpolate literal JavaScript snippets, you can
use backticks to pass JavaScript straight through.
</p>
<%= code_for('embedded', 'hi()') %>
<p id="switch">
<b class="header">Switch/When/Else</b>
<b>Switch</b> statements in JavaScript are rather broken. You can only
do comparisons based on string equality, and need to remember to <b>break</b> at the end of
every <b>case</b> statement to avoid accidentally falling through to
the default case. CoffeeScript compiles <b>switch</b> statements into JavaScript if-else chains, allowing you to
compare any object (via <b>===</b>), preventing fall-through, and resulting
in a returnable, assignable expression. The format is: <tt>switch</tt> condition,
<tt>when</tt> clauses, <tt>else</tt> the default case.
</p>
<%= code_for('switch') %>
<p id="try">
<b class="header">Try/Catch/Finally</b>
Try/catch statements are just about the same as JavaScript (although
they work as expressions).
</p>
<%= code_for('try') %>
<p id="try">
<b class="header">Multiline Strings</b>
Multiline strings are allowed in CoffeeScript.
</p>
<%= code_for('strings', 'moby_dick') %>
<h2 id="resources">Resources</h2>
<p>
<a href="http://github.com/jashkenas/coffee-script/">Source Code</a><br />
<a href="http://github.com/jashkenas/coffee-script/issues">Bugs and Feature Requests</a><br />
</p>
<h2 id="contributing">Contributing</h2>
<p>
Here's a wish list of things that would be wonderful to have in
CoffeeScript:
</p>
<ul>
<li>
A JavaScript version of the compiler, perhaps using Alessandro Warth's
<a href="http://tinlizzie.org/ometa/">OMeta</a>.
</li>
<li>
Ideas for alternate syntax to end blocks of expressions &mdash; the periods
can look a little weird with deeply nested structure. (There's now a
'whitespace' branch &mdash; help add significant whitespace over there.)
</li>
<li>
Test cases for any syntax errors you encounter that you think CoffeeScript
should be able to compile properly.
</li>
<li>
A tutorial that introduces CoffeeScript from the ground up for folks
without knowledge of JavaScript.
</li>
<li>
Integration with Processing.js's JavaScript API (this would depend on
having a JavaScript version of the compiler).
</li>
<li>
A lot of the code generation in <tt>nodes.rb</tt> gets into messy
string manipulation. Techniques for cleaning this up across the board
would be appreciated.
</li>
</ul>
<h2 id="change_log">Change Log</h2>
<p>
<b class="header" style="margin-top: 20px;">0.1.6</b>
Bugfix for running <tt>coffee --interactive</tt> and <tt>--run</tt>
from outside of the CoffeeScript directory. Bugfix for nested
function/if-statements.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.5</b>
Array slice literals and array comprehensions can now both take Ruby-style
ranges to specify the start and end. JavaScript variable declaration is
now pushed up to the top of the scope, making all assignment statements into
expressions. You can use <tt>\</tt> to escape newlines.
The <tt>coffee-script</tt> command is now called <tt>coffee</tt>.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.4</b>
The official CoffeeScript extension is now <tt>.coffee</tt> instead of
<tt>.cs</tt>, which properly belongs to
<a href="http://en.wikipedia.org/wiki/C_Sharp_(programming_language)">C#</a>.
Due to popular demand, you can now also use <tt>=</tt> to assign. Unlike
JavaScript, <tt>=</tt> can also be used within object literals, interchangeably
with <tt>:</tt>. Made a grammatical fix for chained function calls
like <tt>func(1)(2)(3)(4)</tt>. Inheritance and super no longer use
<tt>__proto__</tt>, so they should be IE-compatible now.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.3</b>
The <tt>coffee</tt> command now includes <tt>--interactive</tt>,
which launches an interactive CoffeeScript session, and <tt>--run</tt>,
which directly compiles and executes a script. Both options depend on a
working installation of Narwhal.
The <tt>aint</tt> keyword has been replaced by <tt>isnt</tt>, which goes
together a little smoother with <tt>is</tt>.
Quoted strings are now allowed as identifiers within object literals: eg.
<tt>{"5+5": 10}</tt>.
All assignment operators now use a colon: <tt>+:</tt>, <tt>-:</tt>,
<tt>*:</tt>, etc.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.2</b>
Fixed a bug with calling <tt>super()</tt> through more than one level of
inheritance, with the re-addition of the <tt>extends</tt> keyword.
Added experimental <a href="http://narwhaljs.org/">Narwhal</a>
support (as a Tusk package), contributed by
<a href="http://tlrobinson.net/">Tom Robinson</a>, including
<b>bin/cs</b> as a CoffeeScript REPL and interpreter.
New <tt>--no-wrap</tt> option to suppress the safety function
wrapper.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.1</b>
Added <tt>instanceof</tt> and <tt>typeof</tt> as operators.
</p>
<p>
<b class="header" style="margin-top: 20px;">0.1.0</b>
Initial CoffeeScript release.
</p>
</div>
</body>
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@@ -1,24 +1,13 @@
// Generated by CoffeeScript 1.7.0
var volume, winner;
if (ignition === true) {
launch();
}
if (band !== SpinalTap) {
volume = 10;
}
if (answer !== false) {
letTheWildRumpusBegin();
}
if (car.speed < limit) {
accelerate();
}
if (pick === 47 || pick === 92 || pick === 13) {
winner = true;
}
print(inspect("My name is " + this.name));
(function(){
var volume;
if (ignition === true) {
launch();
}
if (band !== spinal_tap) {
volume = 10;
}
if (!(answer === false)) {
let_the_wild_rumpus_begin();
}
car.speed < speed_limit ? accelerate() : null;
})();

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@@ -1,24 +1,20 @@
// Generated by CoffeeScript 1.7.0
var courses, dish, food, foods, i, _i, _j, _k, _len, _len1, _len2, _ref;
_ref = ['toast', 'cheese', 'wine'];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
food = _ref[_i];
eat(food);
}
courses = ['greens', 'caviar', 'truffles', 'roast', 'cake'];
for (i = _j = 0, _len1 = courses.length; _j < _len1; i = ++_j) {
dish = courses[i];
menu(i + 1, dish);
}
foods = ['broccoli', 'spinach', 'chocolate'];
for (_k = 0, _len2 = foods.length; _k < _len2; _k++) {
food = foods[_k];
if (food !== 'chocolate') {
eat(food);
(function(){
var __a, __b, __c, __d, __e, __f, __g, __h, food, i, lunch, row;
// Eat lunch.
__a = ['toast', 'cheese', 'wine'];
__d = [];
for (__b=0, __c=__a.length; __b<__c; __b++) {
food = __a[__b];
__d[__b] = food.eat();
}
}
lunch = __d;
// Zebra-stripe a table.
__e = table;
__h = [];
for (__f=0, __g=__e.length; __f<__g; __f++) {
row = __e[__f];
i = __f;
__h[__f] = i % 2 === 0 ? highlight(row) : null;
}
__h;
})();

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@@ -0,0 +1,5 @@
(function(){
var difficulty, greeting;
greeting = "Hello CoffeeScript";
difficulty = 0.5;
})();

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@@ -1,7 +0,0 @@
// Generated by CoffeeScript 1.7.0
/*
SkinnyMochaHalfCaffScript Compiler v1.0
Released under the MIT License
*/

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