CoffeeScript 1.8.0

Release 1.8.0

.gitignore

@@ -1,6 +1,7 @@
 raw
 presentation
 test.coffee
+test.litcoffee
 parser.output
 test/fixtures/underscore
 test/*.js

CONTRIBUTING.md

@@ -0,0 +1,9 @@
+## How to contribute to CoffeeScript
+
+* Before you open a ticket or send a pull request, [search](https://github.com/jashkenas/coffeescript/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/coffeescript/tree/master/test).
+
+* Use the same coding style as the rest of the [codebase](https://github.com/jashkenas/coffeescript/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.

Cakefile

@@ -1,16 +1,13 @@
 fs            = require 'fs'
 path          = require 'path'
-{extend}      = require './lib/coffee-script/helpers'
+_             = require 'underscore'
 CoffeeScript  = require './lib/coffee-script'
 {spawn, exec} = require 'child_process'
+helpers       = require './lib/coffee-script/helpers'
 
 # ANSI Terminal Colors.
-enableColors = no
-unless process.platform is 'win32'
-  enableColors = not process.env.NODE_DISABLE_COLORS
-
 bold = red = green = reset = ''
-if enableColors
+unless process.env.NODE_DISABLE_COLORS
   bold  = '\x1B[0;1m'
   red   = '\x1B[0;31m'
   green = '\x1B[0;32m'
@@ -27,10 +24,11 @@ header = """
    */
 """
 
-sources = [
-  'coffee-script', 'grammar', 'helpers'
-  'lexer', 'nodes', 'rewriter', 'scope'
-].map (filename) -> "src/#{filename}.coffee"
+# 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) ->
@@ -44,6 +42,56 @@ run = (args, cb) ->
 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, "$1\n\nalert #{executable}"
+    run    = if executable is true then 'run' else "run: #{executable}"
+    name   = "example#{counter}"
+    script = "<script>window.#{name} = #{JSON.stringify cs}</script>"
+    load   = if showLoad then "<div class='minibutton load' onclick='javascript: loadConsole(#{name});'>load</div>" else ''
+    button = if executable then "<div class='minibutton ok' onclick='javascript: #{js};#{append}'>#{run}</div>" else ''
+    "<div class='code'>#{cshtml}#{jshtml}#{script}#{load}#{button}<br class='clear' /></div>"
+
+monthNames = [
+  'January'
+  'February'
+  'March'
+  'April'
+  'May'
+  'June'
+  'July'
+  'August'
+  'September'
+  'October'
+  'November'
+  'December'
+]
+
+formatDate = (date) ->
+  date.replace /^(\d\d\d\d)-(\d\d)-(\d\d)$/, (match, $1, $2, $3) ->
+    "#{monthNames[$2 - 1]} #{+$3}, #{$1}"
+
+releaseHeader = (date, version, prevVersion) -> """
+  <div class="anchor" id="#{version}"></div>
+  <b class="header">
+    #{prevVersion and "<a href=\"https://github.com/jashkenas/coffeescript/compare/#{prevVersion}...#{version}\">#{version}</a>" or version}
+    <span class="timestamp"> &mdash; <time datetime="#{date}">#{formatDate date}</time></span>
+  </b>
+"""
+
 option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
 
 task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
@@ -56,7 +104,7 @@ task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options)
   console.log   "Linking 'coffee' to #{bin}/coffee"
   exec([
     "mkdir -p #{lib} #{bin}"
-    "cp -rf bin lib LICENSE README package.json src #{lib}"
+    "cp -rf bin lib LICENSE README.md package.json src #{lib}"
     "ln -sfn #{lib}/bin/coffee #{bin}/coffee"
     "ln -sfn #{lib}/bin/cake #{bin}/cake"
     "mkdir -p ~/.node_libraries"
@@ -66,42 +114,36 @@ task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options)
   )
 
 
-task 'build', 'build the CoffeeScript language from source', build = (cb) ->
-  files = fs.readdirSync 'src'
-  files = ('src/' + file for file in files when file.match(/\.coffee$/))
-  run ['-c', '-o', 'lib/coffee-script'].concat(files), cb
-
+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'
-      delete require.cache[require.resolve csPath]
+      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)', ->
-  extend global, require('util')
+  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:ultraviolet', 'build and install the Ultraviolet syntax highlighter', ->
-  exec 'plist2syntax ../coffee-script-tmbundle/Syntaxes/CoffeeScript.tmLanguage', (err) ->
-    throw err if err
-    exec 'sudo mv coffeescript.yaml /usr/local/lib/ruby/gems/1.8/gems/ultraviolet-0.10.2/syntax/coffeescript.syntax'
-
-
 task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
   code = ''
-  for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'coffee-script', 'browser']
+  for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'sourcemap', 'coffee-script', 'browser']
     code += """
-      require['./#{name}'] = new function() {
-        var exports = this;
+      require['./#{name}'] = (function() {
+        var exports = {}, module = {exports: exports};
         #{fs.readFileSync "lib/coffee-script/#{name}.js"}
-      };
+        return module.exports;
+      })();
     """
   code = """
     (function(root) {
@@ -113,57 +155,68 @@ task 'build:browser', 'rebuild the merged script for inclusion in the browser',
 
       if (typeof define === 'function' && define.amd) {
         define(function() { return CoffeeScript; });
-      } else { 
-        root.CoffeeScript = CoffeeScript; 
+      } else {
+        root.CoffeeScript = CoffeeScript;
       }
     }(this));
   """
   unless process.env.MINIFY is 'false'
-    {parser, uglify} = require 'uglify-js'
-    code = uglify.gen_code uglify.ast_squeeze uglify.ast_mangle parser.parse code
+    {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', ->
-  exec 'rake doc', (err) ->
-    throw err if err
+  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()
+      releaseHeader: releaseHeader
+    fs.writeFileSync 'index.html', rendered
+    log "compiled", green, "#{source}"
+
+  fs.watchFile source, interval: 200, renderIndex
+  log "watching..." , green
 
 
 task 'doc:source', 'rebuild the internal documentation', ->
-  exec 'docco src/*.coffee && cp -rf docs documentation && rm -r docs', (err) ->
+  exec 'node_modules/.bin/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) ->
+  exec 'node_modules/.bin/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'
-  co     = sources.map((name) -> fs.readFileSync name).join '\n'
+  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 co, rewrite: false
+  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: true
+  js     = nodes.compile bare: yes
   console.log "Compile#{time()} (#{js.length} chars)"
   console.log "total  #{ fmt total }"
 
-task 'loc', 'count the lines of source code in the CoffeeScript compiler', ->
-  exec "cat #{ sources.join(' ') } | grep -v '^\\( *#\\|\\s*$\\)' | wc -l | tr -s ' '", (err, stdout) ->
-    console.log stdout.trim()
-
 
 # Run the CoffeeScript test suite.
 runTests = (CoffeeScript) ->
+  CoffeeScript.register()
   startTime   = Date.now()
   currentFile = null
   passedTests = 0
@@ -173,6 +226,7 @@ runTests = (CoffeeScript) ->
 
   # 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) ->
@@ -181,9 +235,11 @@ runTests = (CoffeeScript) ->
       fn.call(fn)
       ++passedTests
     catch e
-      e.description = description if description?
-      e.source      = fn.toString() if fn.toString?
-      failures.push filename: currentFile, error: 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) ->
@@ -200,8 +256,8 @@ runTests = (CoffeeScript) ->
       return no for el, idx in a when not arrayEgal el, b[idx]
       yes
 
-  global.eq      = (a, b, msg) -> ok egal(a, b), msg
-  global.arrayEq = (a, b, msg) -> ok arrayEgal(a,b), msg
+  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.
@@ -211,25 +267,21 @@ runTests = (CoffeeScript) ->
     return log(message, green) unless failures.length
     log "failed #{failures.length} and #{message}", red
     for fail in failures
-      {error, filename}  = fail
-      jsFilename         = filename.replace(/\.coffee$/,'.js')
-      match              = error.stack?.match(new RegExp(fail.file+":(\\d+):(\\d+)"))
-      match              = error.stack?.match(/on line (\d+):/) unless match
-      [match, line, col] = match if match
+      {error, filename, description, source}  = fail
       console.log ''
-      log "  #{error.description}", red if error.description
+      log "  #{description}", red if description
       log "  #{error.stack}", red
-      log "  #{jsFilename}: line #{line ? 'unknown'}, column #{col ? 'unknown'}", red
-      console.log "  #{error.source}" if error.source
+      console.log "  #{source}" if source
     return
 
   # Run every test in the `test` folder, recording failures.
   files = fs.readdirSync 'test'
-  for file in files when file.match /\.coffee$/i
+  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}
+      CoffeeScript.run code.toString(), {filename, literate}
     catch error
       failures.push {filename, error}
   return !failures.length

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2009-2012 Jeremy Ashkenas
+Copyright (c) 2009-2014 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.

README

@@ -1,12 +1,11 @@
-
             {
          }   }   {
         {   {  }  }
          }   }{  {
         {  }{  }  }                    _____       __  __
-       ( }{ }{  { )                   / ____|     / _|/ _|
+       { }{ }{  { }                   / ____|     / _|/ _|
      .- { { }  { }} -.               | |     ___ | |_| |_ ___  ___
-    (  ( } { } { } }  )              | |    / _ \|  _|  _/ _ \/ _ \
+    (  { } { } { } }  )              | |    / _ \|  _|  _/ _ \/ _ \
     |`-..________ ..-'|              | |___| (_) | | | ||  __/  __/
     |                 |               \_____\___/|_| |_| \___|\___|
     |                 ;--.
@@ -22,13 +21,13 @@
 
   CoffeeScript is a little language that compiles into JavaScript.
 
-  Install Node.js, and then the CoffeeScript compiler:
-  sudo bin/cake install
-
-  Or, if you have the Node Package Manager installed:
+  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
 
@@ -39,13 +38,13 @@
   http://coffeescript.org/
 
   To suggest a feature, report a bug, or general discussion:
-  http://github.com/jashkenas/coffee-script/issues/
+  http://github.com/jashkenas/coffeescript/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
+  git://github.com/jashkenas/coffeescript.git
 
-  All contributors are listed here:
-  http://github.com/jashkenas/coffee-script/contributors
+  Top 100 contributors are listed here:
+  http://github.com/jashkenas/coffeescript/contributors

README.md

@@ -0,0 +1,60 @@
+            {
+         }   }   {
+        {   {  }  }
+         }   }{  {
+        {  }{  }  }                    _____       __  __
+       { }{ }{  { }                   / ____|     / _|/ _|
+     .- { { }  { }} -.               | |     ___ | |_| |_ ___  ___
+    (  { } { } { } }  )              | |    / _ \|  _|  _/ _ \/ _ \
+    |`-..________ ..-'|              | |___| (_) | | | ||  __/  __/
+    |                 |               \_____\___/|_| |_| \___|\___|
+    |                 ;--.
+    |                (__  \            _____           _       _
+    |                 | )  )          / ____|         (_)     | |
+    |                 |/  /          | (___   ___ _ __ _ _ __ | |_
+    |                 (  /            \___ \ / __| '__| | '_ \| __|
+    |                 |/              ____) | (__| |  | | |_) | |_
+    |                 |              |_____/ \___|_|  |_| .__/ \__|
+     `-.._________..-'                                  | |
+                                                        |_|
+
+CoffeeScript is a little language that compiles into JavaScript.
+
+## Installation
+
+If you have the node package manager, npm, installed:
+
+```shell
+npm install -g coffee-script
+```
+
+Leave off the `-g` if you don't wish to install globally. If you don't wish to use npm:
+
+```shell
+git clone https://github.com/jashkenas/coffeescript.git
+sudo coffeescript/bin/cake install
+```
+
+## Getting Started
+
+Execute a script:
+
+```shell
+coffee /path/to/script.coffee
+```
+
+Compile a script:
+
+```shell
+coffee -c /path/to/script.coffee
+```
+
+For documentation, usage, and examples, see: http://coffeescript.org/
+
+To suggest a feature or report a bug: http://github.com/jashkenas/coffeescript/issues
+
+If you'd like to chat, drop by #coffeescript on Freenode IRC.
+
+The source repository: https://github.com/jashkenas/coffeescript.git
+
+Our lovely and talented contributors are listed here: http://github.com/jashkenas/coffeescript/contributors

Rakefile

@@ -1,78 +0,0 @@
-require 'rubygems'
-require 'erb'
-require 'fileutils'
-require 'rake/testtask'
-require 'json'
-
-desc "Build the documentation page"
-task :doc do
-  source = 'documentation/index.html.erb'
-  child = fork { exec "bin/coffee -bcw -o documentation/js documentation/coffee/*.coffee" }
-  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
-
-desc "Build coffee-script-source gem"
-task :gem do
-  require 'rubygems'
-  require 'rubygems/package'
-
-  gemspec = Gem::Specification.new do |s|
-    s.name      = 'coffee-script-source'
-    s.version   = JSON.parse(File.read('package.json'))["version"]
-    s.date      = Time.now.strftime("%Y-%m-%d")
-
-    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.
-      Underneath all of those embarrassing braces and semicolons,
-      JavaScript has always had a gorgeous object model at its heart.
-      CoffeeScript is an attempt to expose the good parts of JavaScript
-      in a simple way.
-    EOS
-
-    s.files = [
-      'lib/coffee_script/coffee-script.js',
-      'lib/coffee_script/source.rb'
-    ]
-
-    s.authors           = ['Jeremy Ashkenas']
-    s.email             = 'jashkenas@gmail.com'
-    s.rubyforge_project = 'coffee-script-source'
-  end
-
-  file = File.open("coffee-script-source.gem", "w")
-  Gem::Package.open(file, 'w') do |pkg|
-    pkg.metadata = gemspec.to_yaml
-
-    path = "lib/coffee_script/source.rb"
-    contents = <<-ERUBY
-module CoffeeScript
-  module Source
-    def self.bundled_path
-      File.expand_path("../coffee-script.js", __FILE__)
-    end
-  end
-end
-    ERUBY
-    pkg.add_file_simple(path, 0644, contents.size) do |tar_io|
-      tar_io.write(contents)
-    end
-
-    contents = File.read("extras/coffee-script.js")
-    path = "lib/coffee_script/coffee-script.js"
-    pkg.add_file_simple(path, 0644, contents.size) do |tar_io|
-      tar_io.write(contents)
-    end
-  end
-end

documentation/coffee/block_comment.coffee

@@ -1,5 +1,5 @@
 ###
-CoffeeScript Compiler v1.3.3
+SkinnyMochaHalfCaffScript Compiler v1.0
 Released under the MIT License
 ###
 

documentation/coffee/chaining.coffee

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

documentation/coffee/constructor_destructuring.coffee

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

documentation/coffee/expansion.coffee

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

documentation/coffee/slices.coffee

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

documentation/coffee/strings.coffee

@@ -1,8 +1,6 @@
 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..."
-
-
+  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..."

documentation/coffee/switch_with_no_expression.coffee

@@ -0,0 +1,8 @@
+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'

documentation/css/docs.css

@@ -81,14 +81,15 @@ code, pre, tt, textarea {
       padding-left: 0;
     }
 .timestamp {
-  font-size: 12px;
+  font-size: 11px;
   font-weight: normal;
-  color: black;
+  text-transform: uppercase;
+}
+div.anchor {
+  position: relative;
+  top: -90px;
+  margin: 0 0 -20px;
 }
-  .timestamp small {
-    font-size: 11px;
-    text-transform: uppercase;
-  }
 div.code {
   position: relative;
   background: #fff;
@@ -147,27 +148,13 @@ div.code {
 }
   #logo {
     display: block;
-    width: 225px; height: 50px;
-    background: url('../images/logo.png');
+    outline: none;
     position: absolute;
     top: 0px; left: 10px;
   }
-  #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;
-  }
+    #logo img {
+      margin: 5px 0 0 3px;
+    }
   .navigation {
     height: 50px;
     font-size: 11px;
@@ -319,6 +306,9 @@ div.code {
     margin-bottom: 0;
     top: 10px; left: 10px; right: 10px; bottom: 15px;
   }
+    #repl_results.error {
+      color: red
+    }
     #repl_source_wrap {
       margin-left: 5px;
       width: 47%; right: 50%;
@@ -380,4 +370,10 @@ div.code {
     box-shadow: none; -webkit-box-shadow: none; -moz-box-shadow: none;
     background-image: url(../images/button_bg_dark.gif);
     text-shadow: none;
-  }
+  }
+  .minibutton.error {
+     opacity: 0.5;
+     color: #600;
+     cursor: not-allowed;
+  }
+

documentation/css/idle.css

@@ -1,64 +0,0 @@
-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 {
-   color: #0076ad;
-}
-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 {
-  color: #A535AE;
-}
-pre.idle .Comment {
-   color: #919191;
-}

documentation/css/tomorrow.css

@@ -0,0 +1,66 @@
+/* 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;
+}

documentation/docs/browser.html

@@ -1,37 +1,300 @@
-<!DOCTYPE html>  <html> <head>   <title>browser.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               browser.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>Override exported methods for non-Node.js engines.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s1">&#39;./coffee-script&#39;</span>
-<span class="nv">CoffeeScript.require = </span><span class="nx">require</span></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>Use standard JavaScript <code>eval</code> to eval code.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">CoffeeScript.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
-  <span class="nx">options</span><span class="p">.</span><span class="nx">bare</span> <span class="o">?=</span> <span class="kc">on</span>
-  <span class="nb">eval</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>Running code does not provide access to this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">CoffeeScript.run = </span><span class="nf">(code, options = {}) -&gt;</span>
-  <span class="nv">options.bare = </span><span class="kc">on</span>
-  <span class="nb">Function</span><span class="p">(</span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)()</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>If we're not in a browser environment, we're finished with the public API.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">return</span> <span class="nx">unless</span> <span class="nb">window</span><span class="o">?</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Load a remote script from the current domain via XHR.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">CoffeeScript.load = </span><span class="nf">(url, callback) -&gt;</span>
-  <span class="nv">xhr = </span><span class="k">new</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">ActiveXObject</span> <span class="o">or</span> <span class="nx">XMLHttpRequest</span><span class="p">)(</span><span class="s1">&#39;Microsoft.XMLHTTP&#39;</span><span class="p">)</span>
-  <span class="nx">xhr</span><span class="p">.</span><span class="nx">open</span> <span class="s1">&#39;GET&#39;</span><span class="p">,</span> <span class="nx">url</span><span class="p">,</span> <span class="kc">true</span>
-  <span class="nx">xhr</span><span class="p">.</span><span class="nx">overrideMimeType</span> <span class="s1">&#39;text/plain&#39;</span> <span class="k">if</span> <span class="s1">&#39;overrideMimeType&#39;</span> <span class="k">of</span> <span class="nx">xhr</span>
-  <span class="nv">xhr.onreadystatechange = </span><span class="o">-&gt;</span>
-    <span class="k">if</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">readyState</span> <span class="o">is</span> <span class="mi">4</span>
-      <span class="k">if</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">status</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">200</span><span class="p">]</span>
-        <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">responseText</span>
-      <span class="k">else</span>
-        <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">&quot;Could not load #{url}&quot;</span>
-      <span class="nx">callback</span><span class="p">()</span> <span class="k">if</span> <span class="nx">callback</span>
-  <span class="nx">xhr</span><span class="p">.</span><span class="nx">send</span> <span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">runScripts = </span><span class="o">-&gt;</span>
-  <span class="nv">scripts = </span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementsByTagName</span> <span class="s1">&#39;script&#39;</span>
-  <span class="nv">coffees = </span><span class="p">(</span><span class="nx">s</span> <span class="k">for</span> <span class="nx">s</span> <span class="k">in</span> <span class="nx">scripts</span> <span class="k">when</span> <span class="nx">s</span><span class="p">.</span><span class="nx">type</span> <span class="o">is</span> <span class="s1">&#39;text/coffeescript&#39;</span><span class="p">)</span>
-  <span class="nv">index = </span><span class="mi">0</span>
-  <span class="nv">length = </span><span class="nx">coffees</span><span class="p">.</span><span class="nx">length</span>
-  <span class="nx">do</span> <span class="nv">execute = </span><span class="o">-&gt;</span>
-    <span class="nv">script = </span><span class="nx">coffees</span><span class="p">[</span><span class="nx">index</span><span class="o">++</span><span class="p">]</span>
-    <span class="k">if</span> <span class="nx">script</span><span class="o">?</span><span class="p">.</span><span class="nx">type</span> <span class="o">is</span> <span class="s1">&#39;text/coffeescript&#39;</span>
-      <span class="k">if</span> <span class="nx">script</span><span class="p">.</span><span class="nx">src</span>
-        <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">load</span> <span class="nx">script</span><span class="p">.</span><span class="nx">src</span><span class="p">,</span> <span class="nx">execute</span>
-      <span class="k">else</span>
-        <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">script</span><span class="p">.</span><span class="nx">innerHTML</span>
-        <span class="nx">execute</span><span class="p">()</span>
-  <span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>Listen for window load, both in browsers and in IE.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">if</span> <span class="nb">window</span><span class="p">.</span><span class="nx">addEventListener</span>
-  <span class="nx">addEventListener</span> <span class="s1">&#39;DOMContentLoaded&#39;</span><span class="p">,</span> <span class="nx">runScripts</span><span class="p">,</span> <span class="kc">no</span>
-<span class="k">else</span>
-  <span class="nx">attachEvent</span> <span class="s1">&#39;onload&#39;</span><span class="p">,</span> <span class="nx">runScripts</span>
+<!DOCTYPE html>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </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_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="register.html">
+                  register.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>
+          </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 = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</span>
+CoffeeScript.<span class="hljs-built_in">require</span> = <span class="hljs-built_in">require</span>
+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="hljs-function"><span class="hljs-title">eval</span> = <span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  options.bare ?= <span class="hljs-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="hljs-function"><span class="hljs-title">run</span> = <span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  options.bare = <span class="hljs-literal">on</span>
+  options.shiftLine = <span class="hljs-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’re not in a browser environment, we’re finished with the public API.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> <span class="hljs-built_in">window</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>Include source maps where possible. If we’ve got a base64 encoder, a
+JSON serializer, and tools for escaping unicode characters, we’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="hljs-keyword">if</span> btoa? <span class="hljs-keyword">and</span> JSON? <span class="hljs-keyword">and</span> unescape? <span class="hljs-keyword">and</span> encodeURIComponent?
+  <span class="hljs-function"><span class="hljs-title">compile</span> = <span class="hljs-params">(code, options = {})</span> -&gt;</span>
+    options.sourceMap = <span class="hljs-literal">true</span>
+    options.inline = <span class="hljs-literal">true</span>
+    {js, v3SourceMap} = CoffeeScript.compile code, options
+    <span class="hljs-string">"<span class="hljs-subst">#{js}</span>\n//# sourceMappingURL=data:application/json;base64,<span class="hljs-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="hljs-function"><span class="hljs-title">load</span> = <span class="hljs-params">(url, callback, options = {}, hold = <span class="hljs-literal">false</span>)</span> -&gt;</span>
+  options.sourceFiles = [url]
+  xhr = <span class="hljs-keyword">if</span> <span class="hljs-built_in">window</span>.ActiveXObject
+    <span class="hljs-keyword">new</span> <span class="hljs-built_in">window</span>.ActiveXObject(<span class="hljs-string">'Microsoft.XMLHTTP'</span>)
+  <span class="hljs-keyword">else</span>
+    <span class="hljs-keyword">new</span> <span class="hljs-built_in">window</span>.XMLHttpRequest()
+  xhr.open <span class="hljs-string">'GET'</span>, url, <span class="hljs-literal">true</span>
+  xhr.overrideMimeType <span class="hljs-string">'text/plain'</span> <span class="hljs-keyword">if</span> <span class="hljs-string">'overrideMimeType'</span> <span class="hljs-keyword">of</span> xhr
+  xhr.<span class="hljs-function"><span class="hljs-title">onreadystatechange</span> = -&gt;</span>
+    <span class="hljs-keyword">if</span> xhr.readyState <span class="hljs-keyword">is</span> <span class="hljs-number">4</span>
+      <span class="hljs-keyword">if</span> xhr.status <span class="hljs-keyword">in</span> [<span class="hljs-number">0</span>, <span class="hljs-number">200</span>]
+        param = [xhr.responseText, options]
+        CoffeeScript.run param... <span class="hljs-keyword">unless</span> hold
+      <span class="hljs-keyword">else</span>
+        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"Could not load <span class="hljs-subst">#{url}</span>"</span>
+      callback param <span class="hljs-keyword">if</span> callback
+  xhr.send <span class="hljs-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="hljs-function"><span class="hljs-title">runScripts</span> = -&gt;</span>
+  scripts = <span class="hljs-built_in">window</span>.<span class="hljs-built_in">document</span>.getElementsByTagName <span class="hljs-string">'script'</span>
+  coffeetypes = [<span class="hljs-string">'text/coffeescript'</span>, <span class="hljs-string">'text/literate-coffeescript'</span>]
+  coffees = (s <span class="hljs-keyword">for</span> s <span class="hljs-keyword">in</span> scripts <span class="hljs-keyword">when</span> s.type <span class="hljs-keyword">in</span> coffeetypes)
+  index = <span class="hljs-number">0</span>
+
+  <span class="hljs-function"><span class="hljs-title">execute</span> = -&gt;</span>
+    param = coffees[index]
+    <span class="hljs-keyword">if</span> param <span class="hljs-keyword">instanceof</span> Array
+      CoffeeScript.run param...
+      index++
+      execute()
+
+  <span class="hljs-keyword">for</span> script, i <span class="hljs-keyword">in</span> coffees
+    <span class="hljs-keyword">do</span> <span class="hljs-function"><span class="hljs-params">(script, i)</span> -&gt;</span>
+      options = <span class="hljs-attribute">literate</span>: script.type <span class="hljs-keyword">is</span> coffeetypes[<span class="hljs-number">1</span>]
+      <span class="hljs-keyword">if</span> script.src
+        CoffeeScript.load script.src,
+          <span class="hljs-function"><span class="hljs-params">(param)</span> -&gt;</span>
+            coffees[i] = param
+            execute()
+          options
+          <span class="hljs-literal">true</span>
+      <span class="hljs-keyword">else</span>
+        options.sourceFiles = [<span class="hljs-string">'embedded'</span>]
+        coffees[i] = [script.innerHTML, options]
+
+  execute()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              <p>Listen for window load, both in decent browsers and in IE.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> <span class="hljs-built_in">window</span>.addEventListener
+  <span class="hljs-built_in">window</span>.addEventListener <span class="hljs-string">'DOMContentLoaded'</span>, runScripts, <span class="hljs-literal">no</span>
+<span class="hljs-keyword">else</span>
+  <span class="hljs-built_in">window</span>.attachEvent <span class="hljs-string">'onload'</span>, runScripts</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/cake.html

@@ -1,57 +1,345 @@
-<!DOCTYPE html>  <html> <head>   <title>cake.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               cake.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
+<!DOCTYPE html>
+
+<html>
+<head>
+  <title>cake.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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <h1>cake.coffee</h1>
+              </div>
+          </li>
+        
+        
+        
+        <li id="section-1">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-1">&#182;</a>
+              </div>
+              <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's Cakefile.</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>External dependencies.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">fs           = </span><span class="nx">require</span> <span class="s1">&#39;fs&#39;</span>
-<span class="nv">path         = </span><span class="nx">require</span> <span class="s1">&#39;path&#39;</span>
-<span class="nv">helpers      = </span><span class="nx">require</span> <span class="s1">&#39;./helpers&#39;</span>
-<span class="nv">optparse     = </span><span class="nx">require</span> <span class="s1">&#39;./optparse&#39;</span>
-<span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s1">&#39;./coffee-script&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>Keep track of the list of defined tasks, the accepted options, and so on.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">tasks     = </span><span class="p">{}</span>
-<span class="nv">options   = </span><span class="p">{}</span>
-<span class="nv">switches  = </span><span class="p">[]</span>
-<span class="nv">oparse    = </span><span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>Mixin the top-level Cake functions for Cakefiles to use directly.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">global</span><span class="p">,</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Define a Cake task with a short name, an optional sentence description,
-and the function to run as the action itself.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">task: </span><span class="nf">(name, description, action) -&gt;</span>
-    <span class="p">[</span><span class="nx">action</span><span class="p">,</span> <span class="nx">description</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">description</span><span class="p">,</span> <span class="nx">action</span><span class="p">]</span> <span class="nx">unless</span> <span class="nx">action</span>
-    <span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="nx">name</span><span class="p">,</span> <span class="nx">description</span><span class="p">,</span> <span class="nx">action</span><span class="p">}</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#182;</a>               </div>               <p>Define an option that the Cakefile accepts. The parsed options hash,
+current directory’s Cakefile.</p>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#182;</a>
+              </div>
+              <p>External dependencies.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>fs           = <span class="hljs-built_in">require</span> <span class="hljs-string">'fs'</span>
+path         = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
+helpers      = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
+optparse     = <span class="hljs-built_in">require</span> <span class="hljs-string">'./optparse'</span>
+CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</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>Register .coffee extension</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>CoffeeScript.register()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </div>
+              <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="hljs-literal">null</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>Mixin the top-level Cake functions for Cakefiles to use directly.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>helpers.extend <span class="hljs-built_in">global</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>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>  <span class="hljs-attribute">task</span>: <span class="hljs-function"><span class="hljs-params">(name, description, action)</span> -&gt;</span>
+    [action, description] = [description, action] <span class="hljs-keyword">unless</span> action
+    tasks[name] = {name, description, action}</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </div>
+              <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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">option: </span><span class="nf">(letter, flag, description) -&gt;</span>
-    <span class="nx">switches</span><span class="p">.</span><span class="nx">push</span> <span class="p">[</span><span class="nx">letter</span><span class="p">,</span> <span class="nx">flag</span><span class="p">,</span> <span class="nx">description</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>Invoke another task in the current Cakefile.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">invoke: </span><span class="nf">(name) -&gt;</span>
-    <span class="nx">missingTask</span> <span class="nx">name</span> <span class="nx">unless</span> <span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span>
-    <span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">].</span><span class="nx">action</span> <span class="nx">options</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-8">&#182;</a>               </div>               <p>Run <code>cake</code>. Executes all of the tasks you pass, in order. Note that Node's
-asynchrony may cause tasks to execute in a different order than you'd expect.
+as the first argument to the action.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">option</span>: <span class="hljs-function"><span class="hljs-params">(letter, flag, description)</span> -&gt;</span>
+    switches.push [letter, flag, description]</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              <p>Invoke another task in the current Cakefile.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">invoke</span>: <span class="hljs-function"><span class="hljs-params">(name)</span> -&gt;</span>
+    missingTask name <span class="hljs-keyword">unless</span> tasks[name]
+    tasks[name].action options</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>Run <code>cake</code>. Executes all of the tasks you pass, in order. Note that Node’s
+asynchrony may cause tasks to execute in a different order than you’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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.run = </span><span class="o">-&gt;</span>
-  <span class="nv">global.__originalDirname = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span> <span class="s1">&#39;.&#39;</span>
-  <span class="nx">process</span><span class="p">.</span><span class="nx">chdir</span> <span class="nx">cakefileDirectory</span> <span class="nx">__originalDirname</span>
-  <span class="nv">args = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">2</span><span class="p">..]</span>
-  <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">readFileSync</span><span class="p">(</span><span class="s1">&#39;Cakefile&#39;</span><span class="p">).</span><span class="nx">toString</span><span class="p">(),</span> <span class="nv">filename: </span><span class="s1">&#39;Cakefile&#39;</span>
-  <span class="nv">oparse = </span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">switches</span>
-  <span class="k">return</span> <span class="nx">printTasks</span><span class="p">()</span> <span class="nx">unless</span> <span class="nx">args</span><span class="p">.</span><span class="nx">length</span>
-  <span class="k">try</span>
-    <span class="nv">options = </span><span class="nx">oparse</span><span class="p">.</span><span class="nx">parse</span><span class="p">(</span><span class="nx">args</span><span class="p">)</span>
-  <span class="k">catch</span> <span class="nx">e</span>
-    <span class="k">return</span> <span class="nx">fatalError</span> <span class="s2">&quot;#{e}&quot;</span>
-  <span class="nx">invoke</span> <span class="nx">arg</span> <span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#182;</a>               </div>               <p>Display the list of Cake tasks in a format similar to <code>rake -T</code></p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">printTasks = </span><span class="o">-&gt;</span>
-  <span class="nv">relative = </span><span class="nx">path</span><span class="p">.</span><span class="nx">relative</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">resolve</span>
-  <span class="nv">cakefilePath = </span><span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">relative</span><span class="p">(</span><span class="nx">__originalDirname</span><span class="p">,</span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()),</span> <span class="s1">&#39;Cakefile&#39;</span>
-  <span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s2">&quot;#{cakefilePath} defines the following tasks:\n&quot;</span>
-  <span class="k">for</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">task</span> <span class="k">of</span> <span class="nx">tasks</span>
-    <span class="nv">spaces = </span><span class="mi">20</span> <span class="o">-</span> <span class="nx">name</span><span class="p">.</span><span class="nx">length</span>
-    <span class="nv">spaces = </span><span class="k">if</span> <span class="nx">spaces</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="nb">Array</span><span class="p">(</span><span class="nx">spaces</span> <span class="o">+</span> <span class="mi">1</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">)</span> <span class="k">else</span> <span class="s1">&#39;&#39;</span>
-    <span class="nv">desc   = </span><span class="k">if</span> <span class="nx">task</span><span class="p">.</span><span class="nx">description</span> <span class="k">then</span> <span class="s2">&quot;# #{task.description}&quot;</span> <span class="k">else</span> <span class="s1">&#39;&#39;</span>
-    <span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s2">&quot;cake #{name}#{spaces} #{desc}&quot;</span>
-  <span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="nx">oparse</span><span class="p">.</span><span class="nx">help</span><span class="p">()</span> <span class="k">if</span> <span class="nx">switches</span><span class="p">.</span><span class="nx">length</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </div>               <p>Print an error and exit when attempting to use an invalid task/option.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">fatalError = </span><span class="nf">(message) -&gt;</span>
-  <span class="nx">console</span><span class="p">.</span><span class="nx">error</span> <span class="nx">message</span> <span class="o">+</span> <span class="s1">&#39;\n&#39;</span>
-  <span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s1">&#39;To see a list of all tasks/options, run &quot;cake&quot;&#39;</span>
-  <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span>
+original directory name, when running Cake tasks from subdirectories.</p>
 
-<span class="nv">missingTask = </span><span class="nf">(task) -&gt;</span> <span class="nx">fatalError</span> <span class="s2">&quot;No such task: #{task}&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-11">&#182;</a>               </div>               <p>When <code>cake</code> is invoked, search in the current and all parent directories
-to find the relevant Cakefile.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">cakefileDirectory = </span><span class="nf">(dir) -&gt;</span>
-  <span class="k">return</span> <span class="nx">dir</span> <span class="k">if</span> <span class="nx">path</span><span class="p">.</span><span class="nx">existsSync</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="s1">&#39;Cakefile&#39;</span>
-  <span class="nv">parent = </span><span class="nx">path</span><span class="p">.</span><span class="nx">normalize</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="s1">&#39;..&#39;</span>
-  <span class="k">return</span> <span class="nx">cakefileDirectory</span> <span class="nx">parent</span> <span class="nx">unless</span> <span class="nx">parent</span> <span class="o">is</span> <span class="nx">dir</span>
-  <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">&quot;Cakefile not found in #{process.cwd()}&quot;</span>
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">run</span> = -&gt;</span>
+  <span class="hljs-built_in">global</span>.__originalDirname = fs.realpathSync <span class="hljs-string">'.'</span>
+  process.chdir cakefileDirectory __originalDirname
+  args = process.argv[<span class="hljs-number">2.</span>.]
+  CoffeeScript.run fs.readFileSync(<span class="hljs-string">'Cakefile'</span>).toString(), <span class="hljs-attribute">filename</span>: <span class="hljs-string">'Cakefile'</span>
+  oparse = <span class="hljs-keyword">new</span> optparse.OptionParser switches
+  <span class="hljs-keyword">return</span> printTasks() <span class="hljs-keyword">unless</span> args.length
+  <span class="hljs-keyword">try</span>
+    options = oparse.parse(args)
+  <span class="hljs-keyword">catch</span> e
+    <span class="hljs-keyword">return</span> fatalError <span class="hljs-string">"<span class="hljs-subst">#{e}</span>"</span>
+  invoke arg <span class="hljs-keyword">for</span> arg <span class="hljs-keyword">in</span> options.arguments</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-10">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-10">&#182;</a>
+              </div>
+              <p>Display the list of Cake tasks in a format similar to <code>rake -T</code></p>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">printTasks</span> = -&gt;</span>
+  relative = path.relative <span class="hljs-keyword">or</span> path.resolve
+  cakefilePath = path.join relative(__originalDirname, process.cwd()), <span class="hljs-string">'Cakefile'</span>
+  <span class="hljs-built_in">console</span>.log <span class="hljs-string">"<span class="hljs-subst">#{cakefilePath}</span> defines the following tasks:\n"</span>
+  <span class="hljs-keyword">for</span> name, task <span class="hljs-keyword">of</span> tasks
+    spaces = <span class="hljs-number">20</span> - name.length
+    spaces = <span class="hljs-keyword">if</span> spaces &gt; <span class="hljs-number">0</span> <span class="hljs-keyword">then</span> Array(spaces + <span class="hljs-number">1</span>).join(<span class="hljs-string">' '</span>) <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
+    desc   = <span class="hljs-keyword">if</span> task.description <span class="hljs-keyword">then</span> <span class="hljs-string">"# <span class="hljs-subst">#{task.description}</span>"</span> <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
+    <span class="hljs-built_in">console</span>.log <span class="hljs-string">"cake <span class="hljs-subst">#{name}</span><span class="hljs-subst">#{spaces}</span> <span class="hljs-subst">#{desc}</span>"</span>
+  <span class="hljs-built_in">console</span>.log oparse.help() <span class="hljs-keyword">if</span> switches.length</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </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="hljs-function"><span class="hljs-title">fatalError</span> = <span class="hljs-params">(message)</span> -&gt;</span>
+  <span class="hljs-built_in">console</span>.error message + <span class="hljs-string">'\n'</span>
+  <span class="hljs-built_in">console</span>.log <span class="hljs-string">'To see a list of all tasks/options, run "cake"'</span>
+  process.exit <span class="hljs-number">1</span>
+
+<span class="hljs-function"><span class="hljs-title">missingTask</span> = <span class="hljs-params">(task)</span> -&gt;</span> fatalError <span class="hljs-string">"No such task: <span class="hljs-subst">#{task}</span>"</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>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="hljs-function"><span class="hljs-title">cakefileDirectory</span> = <span class="hljs-params">(dir)</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> dir <span class="hljs-keyword">if</span> fs.existsSync path.join dir, <span class="hljs-string">'Cakefile'</span>
+  parent = path.normalize path.join dir, <span class="hljs-string">'..'</span>
+  <span class="hljs-keyword">return</span> cakefileDirectory parent <span class="hljs-keyword">unless</span> parent <span class="hljs-keyword">is</span> dir
+  <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"Cakefile not found in <span class="hljs-subst">#{process.cwd()}</span>"</span></pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/coffee-script.html

@@ -1,81 +1,784 @@
-<!DOCTYPE html>  <html> <head>   <title>coffee-script.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               coffee-script.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>CoffeeScript can be used both on the server, as a command-line compiler based
-on Node.js/V8, or to run CoffeeScripts directly in the browser. This module
+<!DOCTYPE html>
+
+<html>
+<head>
+  <title>coffee-script.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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <h1>coffee-script.coffee</h1>
+              </div>
+          </li>
+        
+        
+        
+        <li id="section-1">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-1">&#182;</a>
+              </div>
+              <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>
 
-<p>If included on a webpage, it will automatically sniff out, compile, and
-execute all scripts present in <code>text/coffeescript</code> tags.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">fs               = </span><span class="nx">require</span> <span class="s1">&#39;fs&#39;</span>
-<span class="nv">path             = </span><span class="nx">require</span> <span class="s1">&#39;path&#39;</span>
-<span class="p">{</span><span class="nx">Lexer</span><span class="p">,</span><span class="nx">RESERVED</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;./lexer&#39;</span>
-<span class="p">{</span><span class="nx">parser</span><span class="p">}</span>         <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;./parser&#39;</span>
-<span class="nv">vm               = </span><span class="nx">require</span> <span class="s1">&#39;vm&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>TODO: Remove registerExtension when fully deprecated.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">if</span> <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span>
-  <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span><span class="p">[</span><span class="s1">&#39;.coffee&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nf">(module, filename) -&gt;</span>
-    <span class="nv">content = </span><span class="nx">compile</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">readFileSync</span><span class="p">(</span><span class="nx">filename</span><span class="p">,</span> <span class="s1">&#39;utf8&#39;</span><span class="p">),</span> <span class="p">{</span><span class="nx">filename</span><span class="p">}</span>
-    <span class="nx">module</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">content</span><span class="p">,</span> <span class="nx">filename</span>
-<span class="k">else</span> <span class="k">if</span> <span class="nx">require</span><span class="p">.</span><span class="nx">registerExtension</span>
-  <span class="nx">require</span><span class="p">.</span><span class="nx">registerExtension</span> <span class="s1">&#39;.coffee&#39;</span><span class="p">,</span> <span class="nf">(content) -&gt;</span> <span class="nx">compile</span> <span class="nx">content</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>The current CoffeeScript version number.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.VERSION = </span><span class="s1">&#39;1.3.3&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>Words that cannot be used as identifiers in CoffeeScript code</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.RESERVED = </span><span class="nx">RESERVED</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Expose helpers for testing.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.helpers = </span><span class="nx">require</span> <span class="s1">&#39;./helpers&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#182;</a>               </div>               <p>Compile a string of CoffeeScript code to JavaScript, using the Coffee/Jison
-compiler.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.compile = compile = </span><span class="nf">(code, options = {}) -&gt;</span>
-  <span class="p">{</span><span class="nx">merge</span><span class="p">}</span> <span class="o">=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">helpers</span>
-  <span class="k">try</span>
-    <span class="nv">js = </span><span class="p">(</span><span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">code</span><span class="p">).</span><span class="nx">compile</span> <span class="nx">options</span>
-    <span class="k">return</span> <span class="nx">js</span> <span class="nx">unless</span> <span class="nx">options</span><span class="p">.</span><span class="nx">header</span>
-  <span class="k">catch</span> <span class="nx">err</span>
-    <span class="nv">err.message = </span><span class="s2">&quot;In #{options.filename}, #{err.message}&quot;</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span>
-    <span class="k">throw</span> <span class="nx">err</span>
-  <span class="nv">header = </span><span class="s2">&quot;Generated by CoffeeScript #{@VERSION}&quot;</span>
-  <span class="s2">&quot;// #{header}\n#{js}&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>Tokenize a string of CoffeeScript code, and return the array of tokens.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.tokens = </span><span class="nf">(code, options) -&gt;</span>
-  <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-8">&#182;</a>               </div>               <p>Parse a string of CoffeeScript code or an array of lexed tokens, and
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>
+fs            = <span class="hljs-built_in">require</span> <span class="hljs-string">'fs'</span>
+vm            = <span class="hljs-built_in">require</span> <span class="hljs-string">'vm'</span>
+path          = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
+{Lexer}       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./lexer'</span>
+{parser}      = <span class="hljs-built_in">require</span> <span class="hljs-string">'./parser'</span>
+helpers       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
+SourceMap     = <span class="hljs-built_in">require</span> <span class="hljs-string">'./sourcemap'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#182;</a>
+              </div>
+              <p>The current CoffeeScript version number.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.VERSION = <span class="hljs-string">'1.8.0'</span>
+
+<span class="hljs-built_in">exports</span>.FILE_EXTENSIONS = [<span class="hljs-string">'.coffee'</span>, <span class="hljs-string">'.litcoffee'</span>, <span class="hljs-string">'.coffee.md'</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>Expose helpers for testing.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.helpers = helpers</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </div>
+              <p>Function wrapper to add source file information to SyntaxErrors thrown by the
+lexer/parser/compiler.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">withPrettyErrors</span> = <span class="hljs-params">(fn)</span> -&gt;</span>
+  <span class="hljs-function"><span class="hljs-params">(code, options = {})</span> -&gt;</span>
+    <span class="hljs-keyword">try</span>
+      fn.call @, code, options
+    <span class="hljs-keyword">catch</span> err
+      <span class="hljs-keyword">throw</span> helpers.updateSyntaxError err, code, options.filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-5">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-5">&#182;</a>
+              </div>
+              <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><span class="hljs-built_in">exports</span>.compile = compile = withPrettyErrors <span class="hljs-function"><span class="hljs-params">(code, options)</span> -&gt;</span>
+  {merge, extend} = helpers
+  options = extend {}, options
+
+  <span class="hljs-keyword">if</span> options.sourceMap
+    map = <span class="hljs-keyword">new</span> SourceMap
+
+  fragments = parser.parse(lexer.tokenize code, options).compileToFragments options
+
+  currentLine = <span class="hljs-number">0</span>
+  currentLine += <span class="hljs-number">1</span> <span class="hljs-keyword">if</span> options.header
+  currentLine += <span class="hljs-number">1</span> <span class="hljs-keyword">if</span> options.shiftLine
+  currentColumn = <span class="hljs-number">0</span>
+  js = <span class="hljs-string">""</span>
+  <span class="hljs-keyword">for</span> fragment <span class="hljs-keyword">in</span> fragments</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#182;</a>
+              </div>
+              <p>Update the sourcemap with data from each fragment</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">if</span> options.sourceMap
+      <span class="hljs-keyword">if</span> fragment.locationData
+        map.add(
+          [fragment.locationData.first_line, fragment.locationData.first_column]
+          [currentLine, currentColumn]
+          {<span class="hljs-attribute">noReplace</span>: <span class="hljs-literal">true</span>})
+      newLines = helpers.count fragment.code, <span class="hljs-string">"\n"</span>
+      currentLine += newLines
+      <span class="hljs-keyword">if</span> newLines
+        currentColumn = fragment.code.length - (fragment.code.lastIndexOf(<span class="hljs-string">"\n"</span>) + <span class="hljs-number">1</span>)
+      <span class="hljs-keyword">else</span>
+        currentColumn += fragment.code.length</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </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="hljs-keyword">if</span> options.header
+    header = <span class="hljs-string">"Generated by CoffeeScript <span class="hljs-subst">#{<span class="hljs-property">@VERSION</span>}</span>"</span>
+    js = <span class="hljs-string">"// <span class="hljs-subst">#{header}</span>\n<span class="hljs-subst">#{js}</span>"</span>
+
+  <span class="hljs-keyword">if</span> options.sourceMap
+    answer = {js}
+    answer.sourceMap = map
+    answer.v3SourceMap = map.generate(options, code)
+    answer
+  <span class="hljs-keyword">else</span>
+    js</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              <p>Tokenize a string of CoffeeScript code, and return the array of tokens.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.tokens = withPrettyErrors <span class="hljs-function"><span class="hljs-params">(code, options)</span> -&gt;</span>
+  lexer.tokenize code, options</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.nodes = </span><span class="nf">(source, options) -&gt;</span>
-  <span class="k">if</span> <span class="k">typeof</span> <span class="nx">source</span> <span class="o">is</span> <span class="s1">&#39;string&#39;</span>
-    <span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">options</span>
-  <span class="k">else</span>
-    <span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">source</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">(code, options = {}) -&gt;</span>
-  <span class="nv">mainModule = </span><span class="nx">require</span><span class="p">.</span><span class="nx">main</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </div>               <p>Set the filename.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">mainModule.filename = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span>
-      <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span> <span class="k">then</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="k">else</span> <span class="s1">&#39;.&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-11">&#182;</a>               </div>               <p>Clear the module cache.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">mainModule</span><span class="p">.</span><span class="nx">moduleCache</span> <span class="o">and=</span> <span class="p">{}</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-12">&#182;</a>               </div>               <p>Assign paths for node_modules loading</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">mainModule.paths = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;module&#39;</span><span class="p">).</span><span class="nx">_nodeModulePaths</span> <span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-13">&#182;</a>               </div>               <p>Compile.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="k">if</span> <span class="nx">path</span><span class="p">.</span><span class="nx">extname</span><span class="p">(</span><span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="o">isnt</span> <span class="s1">&#39;.coffee&#39;</span> <span class="o">or</span> <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span>
-    <span class="nx">mainModule</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">compile</span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">),</span> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span>
-  <span class="k">else</span>
-    <span class="nx">mainModule</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-14">&#182;</a>               </div>               <p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
-The CoffeeScript REPL uses this to run the input.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
-  <span class="k">return</span> <span class="nx">unless</span> <span class="nv">code = </span><span class="nx">code</span><span class="p">.</span><span class="nx">trim</span><span class="p">()</span>
-  <span class="nv">Script = </span><span class="nx">vm</span><span class="p">.</span><span class="nx">Script</span>
-  <span class="k">if</span> <span class="nx">Script</span>
-    <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sandbox</span><span class="o">?</span>
-      <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sandbox</span> <span class="k">instanceof</span> <span class="nx">Script</span><span class="p">.</span><span class="nx">createContext</span><span class="p">().</span><span class="nx">constructor</span>
-        <span class="nv">sandbox = </span><span class="nx">options</span><span class="p">.</span><span class="nx">sandbox</span>
-      <span class="k">else</span>
-        <span class="nv">sandbox = </span><span class="nx">Script</span><span class="p">.</span><span class="nx">createContext</span><span class="p">()</span>
-        <span class="nx">sandbox</span><span class="p">[</span><span class="nx">k</span><span class="p">]</span> <span class="o">=</span> <span class="nx">v</span> <span class="k">for</span> <span class="nx">own</span> <span class="nx">k</span><span class="p">,</span> <span class="nx">v</span> <span class="k">of</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sandbox</span>
-      <span class="nv">sandbox.global = sandbox.root = sandbox.GLOBAL = </span><span class="nx">sandbox</span>
-    <span class="k">else</span>
-      <span class="nv">sandbox = </span><span class="nx">global</span>
-    <span class="nv">sandbox.__filename = </span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span> <span class="o">||</span> <span class="s1">&#39;eval&#39;</span>
-    <span class="nv">sandbox.__dirname  = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">__filename</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-15">&#182;</a>               </div>               <p>define module/require only if they chose not to specify their own</p>             </td>             <td class="code">               <div class="highlight"><pre>    <span class="nx">unless</span> <span class="nx">sandbox</span> <span class="o">isnt</span> <span class="nx">global</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">module</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">require</span>
-      <span class="nv">Module = </span><span class="nx">require</span> <span class="s1">&#39;module&#39;</span>
-      <span class="nv">sandbox.module  = _module  = </span><span class="k">new</span> <span class="nx">Module</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">modulename</span> <span class="o">||</span> <span class="s1">&#39;eval&#39;</span><span class="p">)</span>
-      <span class="nv">sandbox.require = _require = </span><span class="nf">(path) -&gt;</span>  <span class="nx">Module</span><span class="p">.</span><span class="nx">_load</span> <span class="nx">path</span><span class="p">,</span> <span class="nx">_module</span><span class="p">,</span> <span class="kc">true</span>
-      <span class="nv">_module.filename = </span><span class="nx">sandbox</span><span class="p">.</span><span class="nx">__filename</span>
-      <span class="nx">_require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="o">=</span> <span class="nx">require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="k">for</span> <span class="nx">r</span> <span class="k">in</span> <span class="nb">Object</span><span class="p">.</span><span class="nx">getOwnPropertyNames</span> <span class="nx">require</span> <span class="k">when</span> <span class="nx">r</span> <span class="o">isnt</span> <span class="s1">&#39;paths&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-16">&#182;</a>               </div>               <p>use the same hack node currently uses for their own REPL</p>             </td>             <td class="code">               <div class="highlight"><pre>      <span class="nv">_require.paths = _module.paths = </span><span class="nx">Module</span><span class="p">.</span><span class="nx">_nodeModulePaths</span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
-      <span class="nv">_require.resolve = </span><span class="nf">(request) -&gt;</span> <span class="nx">Module</span><span class="p">.</span><span class="nx">_resolveFilename</span> <span class="nx">request</span><span class="p">,</span> <span class="nx">_module</span>
-  <span class="nv">o = </span><span class="p">{}</span>
-  <span class="nx">o</span><span class="p">[</span><span class="nx">k</span><span class="p">]</span> <span class="o">=</span> <span class="nx">v</span> <span class="k">for</span> <span class="nx">own</span> <span class="nx">k</span><span class="p">,</span> <span class="nx">v</span> <span class="k">of</span> <span class="nx">options</span>
-  <span class="nv">o.bare = </span><span class="kc">on</span> <span class="c1"># ensure return value</span>
-  <span class="nv">js = </span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">o</span>
-  <span class="k">if</span> <span class="nx">sandbox</span> <span class="o">is</span> <span class="nx">global</span>
-    <span class="nx">vm</span><span class="p">.</span><span class="nx">runInThisContext</span> <span class="nx">js</span>
-  <span class="k">else</span>
-    <span class="nx">vm</span><span class="p">.</span><span class="nx">runInContext</span> <span class="nx">js</span><span class="p">,</span> <span class="nx">sandbox</span></pre></div>             </td>           </tr>                               <tr id="section-17">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-17">&#182;</a>               </div>               <p>Instantiate a Lexer for our use here.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">lexer = </span><span class="k">new</span> <span class="nx">Lexer</span></pre></div>             </td>           </tr>                               <tr id="section-18">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-18">&#182;</a>               </div>               <p>The real Lexer produces a generic stream of tokens. This object provides a
+or traverse it by using <code>.traverseChildren()</code> with a callback.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.nodes = withPrettyErrors <span class="hljs-function"><span class="hljs-params">(source, options)</span> -&gt;</span>
+  <span class="hljs-keyword">if</span> <span class="hljs-keyword">typeof</span> source <span class="hljs-keyword">is</span> <span class="hljs-string">'string'</span>
+    parser.parse lexer.tokenize source, options
+  <span class="hljs-keyword">else</span>
+    parser.parse source</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-10">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-10">&#182;</a>
+              </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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">run</span> = <span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  mainModule = <span class="hljs-built_in">require</span>.main</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </div>
+              <p>Set the filename.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  mainModule.filename = process.argv[<span class="hljs-number">1</span>] =
+    <span class="hljs-keyword">if</span> options.filename <span class="hljs-keyword">then</span> fs.realpathSync(options.filename) <span class="hljs-keyword">else</span> <span class="hljs-string">'.'</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>Clear the module cache.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  mainModule.moduleCache <span class="hljs-keyword">and</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>Assign paths for node_modules loading</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  dir = <span class="hljs-keyword">if</span> options.filename
+    path.dirname fs.realpathSync options.filename
+  <span class="hljs-keyword">else</span>
+    fs.realpathSync <span class="hljs-string">'.'</span>
+  mainModule.paths = <span class="hljs-built_in">require</span>(<span class="hljs-string">'module'</span>)._nodeModulePaths dir</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-14">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-14">&#182;</a>
+              </div>
+              <p>Compile.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> helpers.isCoffee(mainModule.filename) <span class="hljs-keyword">or</span> <span class="hljs-built_in">require</span>.extensions
+    answer = compile code, options
+    code = answer.js ? answer
+
+  mainModule._compile code, mainModule.filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-15">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-15">&#182;</a>
+              </div>
+              <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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">eval</span> = <span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> code = code.trim()
+  Script = vm.Script
+  <span class="hljs-keyword">if</span> Script
+    <span class="hljs-keyword">if</span> options.sandbox?
+      <span class="hljs-keyword">if</span> options.sandbox <span class="hljs-keyword">instanceof</span> Script.createContext().constructor
+        sandbox = options.sandbox
+      <span class="hljs-keyword">else</span>
+        sandbox = Script.createContext()
+        sandbox[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options.sandbox
+      sandbox.<span class="hljs-built_in">global</span> = sandbox.root = sandbox.GLOBAL = sandbox
+    <span class="hljs-keyword">else</span>
+      sandbox = <span class="hljs-built_in">global</span>
+    sandbox.__filename = options.filename || <span class="hljs-string">'eval'</span>
+    sandbox.__dirname  = path.dirname sandbox.__filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-16">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-16">&#182;</a>
+              </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="hljs-keyword">unless</span> sandbox <span class="hljs-keyword">isnt</span> <span class="hljs-built_in">global</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">module</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">require</span>
+      Module = <span class="hljs-built_in">require</span> <span class="hljs-string">'module'</span>
+      sandbox.<span class="hljs-built_in">module</span>  = _module  = <span class="hljs-keyword">new</span> Module(options.modulename || <span class="hljs-string">'eval'</span>)
+      sandbox.<span class="hljs-built_in">require</span> = <span class="hljs-function"><span class="hljs-title">_require</span> = <span class="hljs-params">(path)</span> -&gt;</span>  Module._load path, _module, <span class="hljs-literal">true</span>
+      _module.filename = sandbox.__filename
+      _require[r] = <span class="hljs-built_in">require</span>[r] <span class="hljs-keyword">for</span> r <span class="hljs-keyword">in</span> Object.getOwnPropertyNames <span class="hljs-built_in">require</span> <span class="hljs-keyword">when</span> r <span class="hljs-keyword">isnt</span> <span class="hljs-string">'paths'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-17">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-17">&#182;</a>
+              </div>
+              <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="hljs-function"><span class="hljs-title">resolve</span> = <span class="hljs-params">(request)</span> -&gt;</span> Module._resolveFilename request, _module
+  o = {}
+  o[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options
+  o.bare = <span class="hljs-literal">on</span> <span class="hljs-comment"># ensure return value</span>
+  js = compile code, o
+  <span class="hljs-keyword">if</span> sandbox <span class="hljs-keyword">is</span> <span class="hljs-built_in">global</span>
+    vm.runInThisContext js
+  <span class="hljs-keyword">else</span>
+    vm.runInContext js, sandbox
+
+<span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">register</span> = -&gt;</span> <span class="hljs-built_in">require</span> <span class="hljs-string">'./register'</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>Throw error with deprecation warning when depending upon implicit <code>require.extensions</code> registration</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> <span class="hljs-built_in">require</span>.extensions
+  <span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> <span class="hljs-property">@FILE_EXTENSIONS</span>
+    <span class="hljs-built_in">require</span>.extensions[ext] ?=<span class="hljs-function"> -&gt;</span>
+      <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"""
+      Use CoffeeScript.register() or require the coffee-script/register module to require <span class="hljs-subst">#{ext}</span> files.
+      """</span>
+
+<span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">_compileFile</span> = <span class="hljs-params">(filename, sourceMap = <span class="hljs-literal">no</span>)</span> -&gt;</span>
+  raw = fs.readFileSync filename, <span class="hljs-string">'utf8'</span>
+  stripped = <span class="hljs-keyword">if</span> raw.charCodeAt(<span class="hljs-number">0</span>) <span class="hljs-keyword">is</span> <span class="hljs-number">0xFEFF</span> <span class="hljs-keyword">then</span> raw.substring <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> raw
+
+  <span class="hljs-keyword">try</span>
+    answer = compile(stripped, {filename, sourceMap, <span class="hljs-attribute">literate</span>: helpers.isLiterate filename})
+  <span class="hljs-keyword">catch</span> err</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-19">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-19">&#182;</a>
+              </div>
+              <p>As the filename and code of a dynamically loaded file will be different
+from the original file compiled with CoffeeScript.run, add that
+information to error so it can be pretty-printed later.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">throw</span> helpers.updateSyntaxError err, stripped, filename
+
+  answer</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-20">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-20">&#182;</a>
+              </div>
+              <p>Instantiate a Lexer for our use here.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>lexer = <span class="hljs-keyword">new</span> Lexer</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 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 "Jison lexer".</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">parser.lexer =</span>
-  <span class="nv">lex: </span><span class="o">-&gt;</span>
-    <span class="p">[</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">@yytext</span><span class="p">,</span> <span class="nx">@yylineno</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">@pos</span><span class="o">++</span><span class="p">]</span> <span class="o">or</span> <span class="p">[</span><span class="s1">&#39;&#39;</span><span class="p">]</span>
-    <span class="nx">tag</span>
-  <span class="nv">setInput: </span><span class="nf">(@tokens) -&gt;</span>
-    <span class="vi">@pos = </span><span class="mi">0</span>
-  <span class="nv">upcomingInput: </span><span class="o">-&gt;</span>
-    <span class="s2">&quot;&quot;</span>
+directly as a “Jison lexer”.</p>
 
-<span class="nv">parser.yy = </span><span class="nx">require</span> <span class="s1">&#39;./nodes&#39;</span>
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>parser.lexer =
+  <span class="hljs-attribute">lex</span>:<span class="hljs-function"> -&gt;</span>
+    token = <span class="hljs-property">@tokens</span>[<span class="hljs-property">@pos</span>++]
+    <span class="hljs-keyword">if</span> token
+      [tag, <span class="hljs-property">@yytext</span>, <span class="hljs-property">@yylloc</span>] = token
+      <span class="hljs-property">@errorToken</span> = token.origin <span class="hljs-keyword">or</span> token
+      <span class="hljs-property">@yylineno</span> = <span class="hljs-property">@yylloc</span>.first_line
+    <span class="hljs-keyword">else</span>
+      tag = <span class="hljs-string">''</span>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+    tag
+  <span class="hljs-attribute">setInput</span>: <span class="hljs-function"><span class="hljs-params">(<span class="hljs-property">@tokens</span>)</span> -&gt;</span>
+    <span class="hljs-property">@pos</span> = <span class="hljs-number">0</span>
+  <span class="hljs-attribute">upcomingInput</span>:<span class="hljs-function"> -&gt;</span>
+    <span class="hljs-string">""</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-22">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-22">&#182;</a>
+              </div>
+              <p>Make all the AST nodes visible to the parser.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>parser.yy = <span class="hljs-built_in">require</span> <span class="hljs-string">'./nodes'</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>Override Jison’s default error handling function.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>parser.yy.<span class="hljs-function"><span class="hljs-title">parseError</span> = <span class="hljs-params">(message, {token})</span> -&gt;</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-24">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-24">&#182;</a>
+              </div>
+              <p>Disregard Jison’s message, it contains redundant line numer information.
+Disregard the token, we take its value directly from the lexer in case
+the error is caused by a generated token which might refer to its origin.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  {errorToken, tokens} = parser.lexer
+  [errorTag, errorText, errorLoc] = errorToken
+
+  errorText = <span class="hljs-keyword">if</span> errorToken <span class="hljs-keyword">is</span> tokens[tokens.length - <span class="hljs-number">1</span>]
+    <span class="hljs-string">'end of input'</span>
+  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> errorTag <span class="hljs-keyword">in</span> [<span class="hljs-string">'INDENT'</span>, <span class="hljs-string">'OUTDENT'</span>]
+    <span class="hljs-string">'indentation'</span>
+  <span class="hljs-keyword">else</span>
+    helpers.nameWhitespaceCharacter errorText</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-25">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-25">&#182;</a>
+              </div>
+              <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 <span class="hljs-string">"unexpected <span class="hljs-subst">#{errorText}</span>"</span>, errorLoc</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-26">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-26">&#182;</a>
+              </div>
+              <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="hljs-function"><span class="hljs-title">formatSourcePosition</span> = <span class="hljs-params">(frame, getSourceMapping)</span> -&gt;</span>
+  fileName = <span class="hljs-literal">undefined</span>
+  fileLocation = <span class="hljs-string">''</span>
+
+  <span class="hljs-keyword">if</span> frame.isNative()
+    fileLocation = <span class="hljs-string">"native"</span>
+  <span class="hljs-keyword">else</span>
+    <span class="hljs-keyword">if</span> frame.isEval()
+      fileName = frame.getScriptNameOrSourceURL()
+      fileLocation = <span class="hljs-string">"<span class="hljs-subst">#{frame.getEvalOrigin()}</span>, "</span> <span class="hljs-keyword">unless</span> fileName
+    <span class="hljs-keyword">else</span>
+      fileName = frame.getFileName()
+
+    fileName <span class="hljs-keyword">or</span>= <span class="hljs-string">"&lt;anonymous&gt;"</span>
+
+    line = frame.getLineNumber()
+    column = frame.getColumnNumber()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-27">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-27">&#182;</a>
+              </div>
+              <p>Check for a sourceMap position</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    source = getSourceMapping fileName, line, column
+    fileLocation =
+      <span class="hljs-keyword">if</span> source
+        <span class="hljs-string">"<span class="hljs-subst">#{fileName}</span>:<span class="hljs-subst">#{source[<span class="hljs-number">0</span>]}</span>:<span class="hljs-subst">#{source[<span class="hljs-number">1</span>]}</span>"</span>
+      <span class="hljs-keyword">else</span>
+        <span class="hljs-string">"<span class="hljs-subst">#{fileName}</span>:<span class="hljs-subst">#{line}</span>:<span class="hljs-subst">#{column}</span>"</span>
+
+  functionName = frame.getFunctionName()
+  isConstructor = frame.isConstructor()
+  isMethodCall = <span class="hljs-keyword">not</span> (frame.isToplevel() <span class="hljs-keyword">or</span> isConstructor)
+
+  <span class="hljs-keyword">if</span> isMethodCall
+    methodName = frame.getMethodName()
+    typeName = frame.getTypeName()
+
+    <span class="hljs-keyword">if</span> functionName
+      tp = as = <span class="hljs-string">''</span>
+      <span class="hljs-keyword">if</span> typeName <span class="hljs-keyword">and</span> functionName.indexOf typeName
+        tp = <span class="hljs-string">"<span class="hljs-subst">#{typeName}</span>."</span>
+      <span class="hljs-keyword">if</span> methodName <span class="hljs-keyword">and</span> functionName.indexOf(<span class="hljs-string">".<span class="hljs-subst">#{methodName}</span>"</span>) <span class="hljs-keyword">isnt</span> functionName.length - methodName.length - <span class="hljs-number">1</span>
+        as = <span class="hljs-string">" [as <span class="hljs-subst">#{methodName}</span>]"</span>
+
+      <span class="hljs-string">"<span class="hljs-subst">#{tp}</span><span class="hljs-subst">#{functionName}</span><span class="hljs-subst">#{as}</span> (<span class="hljs-subst">#{fileLocation}</span>)"</span>
+    <span class="hljs-keyword">else</span>
+      <span class="hljs-string">"<span class="hljs-subst">#{typeName}</span>.<span class="hljs-subst">#{methodName <span class="hljs-keyword">or</span> <span class="hljs-string">'&lt;anonymous&gt;'</span>}</span> (<span class="hljs-subst">#{fileLocation}</span>)"</span>
+  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> isConstructor
+    <span class="hljs-string">"new <span class="hljs-subst">#{functionName <span class="hljs-keyword">or</span> <span class="hljs-string">'&lt;anonymous&gt;'</span>}</span> (<span class="hljs-subst">#{fileLocation}</span>)"</span>
+  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> functionName
+    <span class="hljs-string">"<span class="hljs-subst">#{functionName}</span> (<span class="hljs-subst">#{fileLocation}</span>)"</span>
+  <span class="hljs-keyword">else</span>
+    fileLocation</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-28">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-28">&#182;</a>
+              </div>
+              <p>Map of filenames -&gt; sourceMap object.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>sourceMaps = {}</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-29">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-29">&#182;</a>
+              </div>
+              <p>Generates the source map for a coffee file and stores it in the local cache variable.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">getSourceMap</span> = <span class="hljs-params">(filename)</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> sourceMaps[filename] <span class="hljs-keyword">if</span> sourceMaps[filename]
+  <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> path?.extname(filename) <span class="hljs-keyword">in</span> <span class="hljs-built_in">exports</span>.FILE_EXTENSIONS
+  answer = <span class="hljs-built_in">exports</span>._compileFile filename, <span class="hljs-literal">true</span>
+  sourceMaps[filename] = answer.sourceMap</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-30">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-30">&#182;</a>
+              </div>
+              <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>Error.<span class="hljs-function"><span class="hljs-title">prepareStackTrace</span> = <span class="hljs-params">(err, stack)</span> -&gt;</span>
+  <span class="hljs-function"><span class="hljs-title">getSourceMapping</span> = <span class="hljs-params">(filename, line, column)</span> -&gt;</span>
+    sourceMap = getSourceMap filename
+    answer = sourceMap.sourceLocation [line - <span class="hljs-number">1</span>, column - <span class="hljs-number">1</span>] <span class="hljs-keyword">if</span> sourceMap
+    <span class="hljs-keyword">if</span> answer <span class="hljs-keyword">then</span> [answer[<span class="hljs-number">0</span>] + <span class="hljs-number">1</span>, answer[<span class="hljs-number">1</span>] + <span class="hljs-number">1</span>] <span class="hljs-keyword">else</span> <span class="hljs-literal">null</span>
+
+  frames = <span class="hljs-keyword">for</span> frame <span class="hljs-keyword">in</span> stack
+    <span class="hljs-keyword">break</span> <span class="hljs-keyword">if</span> frame.getFunction() <span class="hljs-keyword">is</span> <span class="hljs-built_in">exports</span>.run
+    <span class="hljs-string">"  at <span class="hljs-subst">#{formatSourcePosition frame, getSourceMapping}</span>"</span>
+
+  <span class="hljs-string">"<span class="hljs-subst">#{err.toString()}</span>\n<span class="hljs-subst">#{frames.join <span class="hljs-string">'\n'</span>}</span>\n"</span></pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/docco.css

@@ -1,186 +1,515 @@
-/*--------------------- Layout and Typography ----------------------------*/
+/*--------------------- 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;
+}
+
+@font-face {
+    font-family: 'novecento-bold';
+    src: url('public/fonts/novecento-bold.eot');
+    src: url('public/fonts/novecento-bold.eot?#iefix') format('embedded-opentype'),
+         url('public/fonts/novecento-bold.woff') format('woff'),
+         url('public/fonts/novecento-bold.ttf') format('truetype');
+    font-weight: normal;
+    font-style: normal;
+}
+
+/*--------------------- Layout ----------------------------*/
+html { height: 100%; }
 body {
-  font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif;
-  font-size: 15px;
-  line-height: 22px;
-  color: #252519;
+  font-family: "aller-light";
+  font-size: 14px;
+  line-height: 18px;
+  color: #30404f;
+  margin: 0; padding: 0;
+  height:100%;
+}
+#container { min-height: 100%; }
+
+a {
+  color: #000;
+}
+
+b, strong {
+  font-weight: normal;
+  font-family: "aller-bold";
+}
+
+p {
+  margin: 15px 0 0px;
+}
+  .annotation ul, .annotation ol {
+    margin: 25px 0;
+  }
+    .annotation ul li, .annotation ol li {
+      font-size: 14px;
+      line-height: 18px;
+      margin: 10px 0;
+    }
+
+h1, h2, h3, h4, h5, h6 {
+  color: #112233;
+  line-height: 1em;
+  font-weight: normal;
+  font-family: "novecento-bold";
+  text-transform: uppercase;
+  margin: 30px 0 15px 0;
+}
+
+h1 {
+  margin-top: 40px;
+}
+
+hr {
+  border: 0;
+  background: 1px #ddd;
+  height: 1px;
+  margin: 20px 0;
+}
+
+pre, tt, code {
+  font-size: 12px; line-height: 16px;
+  font-family: Menlo, Monaco, Consolas, "Lucida Console", monospace;
   margin: 0; padding: 0;
 }
-a {
-  color: #261a3b;
-}
-  a:visited {
-    color: #261a3b;
+  .annotation pre {
+    display: block;
+    margin: 0;
+    padding: 7px 10px;
+    background: #fcfcfc;
+    -moz-box-shadow:    inset 0 0 10px rgba(0,0,0,0.1);
+    -webkit-box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
+    box-shadow:         inset 0 0 10px rgba(0,0,0,0.1);
+    overflow-x: auto;
   }
-p {
-  margin: 0 0 15px 0;
+    .annotation pre code {
+      border: 0;
+      padding: 0;
+      background: transparent;
+    }
+
+
+blockquote {
+  border-left: 5px solid #ccc;
+  margin: 0;
+  padding: 1px 0 1px 1em;
 }
-h1, h2, h3, h4, h5, h6 {
-  margin: 0px 0 15px 0;
-}
-  h1 {
-    margin-top: 40px;
+  .sections blockquote p {
+    font-family: Menlo, Consolas, Monaco, monospace;
+    font-size: 12px; line-height: 16px;
+    color: #999;
+    margin: 10px 0 0;
+    white-space: pre-wrap;
   }
-#container {
-  position: relative;
+
+ul.sections {
+  list-style: none;
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documentation/docs/helpers.html

@@ -1,31 +1,627 @@
-<!DOCTYPE html>  <html> <head>   <title>helpers.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               helpers.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>This file contains the common helper functions that we'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>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.starts = </span><span class="nf">(string, literal, start) -&gt;</span>
-  <span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">start</span><span class="p">,</span> <span class="nx">literal</span><span class="p">.</span><span class="nx">length</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.ends = </span><span class="nf">(string, literal, back) -&gt;</span>
-  <span class="nv">len = </span><span class="nx">literal</span><span class="p">.</span><span class="nx">length</span>
-  <span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">string</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">len</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">),</span> <span class="nx">len</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>Trim out all falsy values from an array.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.compact = </span><span class="nf">(array) -&gt;</span>
-  <span class="nx">item</span> <span class="k">for</span> <span class="nx">item</span> <span class="k">in</span> <span class="nx">array</span> <span class="k">when</span> <span class="nx">item</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Count the number of occurrences of a string in a string.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.count = </span><span class="nf">(string, substr) -&gt;</span>
-  <span class="nv">num = pos = </span><span class="mi">0</span>
-  <span class="k">return</span> <span class="mi">1</span><span class="o">/</span><span class="mi">0</span> <span class="nx">unless</span> <span class="nx">substr</span><span class="p">.</span><span class="nx">length</span>
-  <span class="nx">num</span><span class="o">++</span> <span class="k">while</span> <span class="nv">pos = </span><span class="mi">1</span> <span class="o">+</span> <span class="nx">string</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">substr</span><span class="p">,</span> <span class="nx">pos</span>
-  <span class="nx">num</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.merge = </span><span class="nf">(options, overrides) -&gt;</span>
-  <span class="nx">extend</span> <span class="p">(</span><span class="nx">extend</span> <span class="p">{},</span> <span class="nx">options</span><span class="p">),</span> <span class="nx">overrides</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>Extend a source object with the properties of another object (shallow copy).</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">extend = exports.extend = </span><span class="nf">(object, properties) -&gt;</span>
-  <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">properties</span>
-    <span class="nx">object</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span>
-  <span class="nx">object</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-8">&#182;</a>               </div>               <p>Return a flattened version of an array.
-Handy for getting a list of <code>children</code> from the nodes.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.flatten = flatten = </span><span class="nf">(array) -&gt;</span>
-  <span class="nv">flattened = </span><span class="p">[]</span>
-  <span class="k">for</span> <span class="nx">element</span> <span class="k">in</span> <span class="nx">array</span>
-    <span class="k">if</span> <span class="nx">element</span> <span class="k">instanceof</span> <span class="nb">Array</span>
-      <span class="nv">flattened = </span><span class="nx">flattened</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">flatten</span> <span class="nx">element</span>
-    <span class="k">else</span>
-      <span class="nx">flattened</span><span class="p">.</span><span class="nx">push</span> <span class="nx">element</span>
-  <span class="nx">flattened</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.del = </span><span class="nf">(obj, key) -&gt;</span>
-  <span class="nv">val = </span> <span class="nx">obj</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span>
-  <span class="k">delete</span> <span class="nx">obj</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span>
-  <span class="nx">val</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </div>               <p>Gets the last item of an array(-like) object.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.last = </span><span class="nf">(array, back) -&gt;</span> <span class="nx">array</span><span class="p">[</span><span class="nx">array</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
+<!DOCTYPE html>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+<html>
+<head>
+  <title>helpers.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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <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’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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">starts</span> = <span class="hljs-params">(string, literal, start)</span> -&gt;</span>
+  literal <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">ends</span> = <span class="hljs-params">(string, literal, back)</span> -&gt;</span>
+  len = literal.length
+  literal <span class="hljs-keyword">is</span> string.substr string.length - len - (back <span class="hljs-keyword">or</span> <span class="hljs-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><span class="hljs-built_in">exports</span>.repeat = <span class="hljs-function"><span class="hljs-title">repeat</span> = <span class="hljs-params">(str, n)</span> -&gt;</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>Use clever algorithm to have O(log(n)) string concatenation operations.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  res = <span class="hljs-string">''</span>
+  <span class="hljs-keyword">while</span> n &gt; <span class="hljs-number">0</span>
+    res += str <span class="hljs-keyword">if</span> n &amp; <span class="hljs-number">1</span>
+    n &gt;&gt;&gt;= <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">compact</span> = <span class="hljs-params">(array)</span> -&gt;</span>
+  item <span class="hljs-keyword">for</span> item <span class="hljs-keyword">in</span> array <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">count</span> = <span class="hljs-params">(string, substr)</span> -&gt;</span>
+  num = pos = <span class="hljs-number">0</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-number">1</span>/<span class="hljs-number">0</span> <span class="hljs-keyword">unless</span> substr.length
+  num++ <span class="hljs-keyword">while</span> pos = <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">merge</span> = <span class="hljs-params">(options, overrides)</span> -&gt;</span>
+  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 = <span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">extend</span> = <span class="hljs-params">(object, properties)</span> -&gt;</span>
+  <span class="hljs-keyword">for</span> key, val <span class="hljs-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><span class="hljs-built_in">exports</span>.flatten = <span class="hljs-function"><span class="hljs-title">flatten</span> = <span class="hljs-params">(array)</span> -&gt;</span>
+  flattened = []
+  <span class="hljs-keyword">for</span> element <span class="hljs-keyword">in</span> array
+    <span class="hljs-keyword">if</span> element <span class="hljs-keyword">instanceof</span> Array
+      flattened = flattened.concat flatten element
+    <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">del</span> = <span class="hljs-params">(obj, key)</span> -&gt;</span>
+  val =  obj[key]
+  <span class="hljs-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><span class="hljs-built_in">exports</span>.last = <span class="hljs-function"><span class="hljs-title">last</span> = <span class="hljs-params">(array, back)</span> -&gt;</span> array[array.length - (back <span class="hljs-keyword">or</span> <span class="hljs-number">0</span>) - <span class="hljs-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><span class="hljs-built_in">exports</span>.some = <span class="hljs-attribute">Array</span>::some ? <span class="hljs-function"><span class="hljs-params">(fn)</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span> <span class="hljs-keyword">for</span> e <span class="hljs-keyword">in</span> <span class="hljs-keyword">this</span> <span class="hljs-keyword">when</span> fn e
+  <span class="hljs-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 “normally”.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">invertLiterate</span> = <span class="hljs-params">(code)</span> -&gt;</span>
+  maybe_code = <span class="hljs-literal">true</span>
+  lines = <span class="hljs-keyword">for</span> line <span class="hljs-keyword">in</span> code.split(<span class="hljs-string">'\n'</span>)
+    <span class="hljs-keyword">if</span> maybe_code <span class="hljs-keyword">and</span> <span class="hljs-regexp">/^([ ]{4}|[ ]{0,3}\t)/</span>.test line
+      line
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> maybe_code = <span class="hljs-regexp">/^\s*$/</span>.test line
+      line
+    <span class="hljs-keyword">else</span>
+      <span class="hljs-string">'# '</span> + line
+  lines.join <span class="hljs-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="hljs-function"><span class="hljs-title">buildLocationData</span> = <span class="hljs-params">(first, last)</span> -&gt;</span>
+  <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> last
+    first
+  <span class="hljs-keyword">else</span>
+    <span class="hljs-attribute">first_line</span>: first.first_line
+    <span class="hljs-attribute">first_column</span>: first.first_column
+    <span class="hljs-attribute">last_line</span>: last.last_line
+    <span class="hljs-attribute">last_column</span>: 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’s locationData.
+The object is returned either way.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">addLocationDataFn</span> = <span class="hljs-params">(first, last)</span> -&gt;</span>
+  <span class="hljs-function"><span class="hljs-params">(obj)</span> -&gt;</span>
+    <span class="hljs-keyword">if</span> ((<span class="hljs-keyword">typeof</span> obj) <span class="hljs-keyword">is</span> <span class="hljs-string">'object'</span>) <span class="hljs-keyword">and</span> (!!obj[<span class="hljs-string">'updateLocationDataIfMissing'</span>])
+      obj.updateLocationDataIfMissing buildLocationData(first, last)
+
+    <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">locationDataToString</span> = <span class="hljs-params">(obj)</span> -&gt;</span>
+  <span class="hljs-keyword">if</span> (<span class="hljs-string">"2"</span> <span class="hljs-keyword">of</span> obj) <span class="hljs-keyword">and</span> (<span class="hljs-string">"first_line"</span> <span class="hljs-keyword">of</span> obj[<span class="hljs-number">2</span>]) <span class="hljs-keyword">then</span> locationData = obj[<span class="hljs-number">2</span>]
+  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> <span class="hljs-string">"first_line"</span> <span class="hljs-keyword">of</span> obj <span class="hljs-keyword">then</span> locationData = obj
+
+  <span class="hljs-keyword">if</span> locationData
+    <span class="hljs-string">"<span class="hljs-subst">#{locationData.first_line + <span class="hljs-number">1</span>}</span>:<span class="hljs-subst">#{locationData.first_column + <span class="hljs-number">1</span>}</span>-"</span> +
+    <span class="hljs-string">"<span class="hljs-subst">#{locationData.last_line + <span class="hljs-number">1</span>}</span>:<span class="hljs-subst">#{locationData.last_column + <span class="hljs-number">1</span>}</span>"</span>
+  <span class="hljs-keyword">else</span>
+    <span class="hljs-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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">baseFileName</span> = <span class="hljs-params">(file, stripExt = <span class="hljs-literal">no</span>, useWinPathSep = <span class="hljs-literal">no</span>)</span> -&gt;</span>
+  pathSep = <span class="hljs-keyword">if</span> useWinPathSep <span class="hljs-keyword">then</span> <span class="hljs-regexp">/\\|\//</span> <span class="hljs-keyword">else</span> <span class="hljs-regexp">/\/</span>/
+  parts = file.split(pathSep)
+  file = parts[parts.length - <span class="hljs-number">1</span>]
+  <span class="hljs-keyword">return</span> file <span class="hljs-keyword">unless</span> stripExt <span class="hljs-keyword">and</span> file.indexOf(<span class="hljs-string">'.'</span>) &gt;= <span class="hljs-number">0</span>
+  parts = file.split(<span class="hljs-string">'.'</span>)
+  parts.pop()
+  parts.pop() <span class="hljs-keyword">if</span> parts[parts.length - <span class="hljs-number">1</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'coffee'</span> <span class="hljs-keyword">and</span> parts.length &gt; <span class="hljs-number">1</span>
+  parts.join(<span class="hljs-string">'.'</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>Determine if a filename represents a CoffeeScript file.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">isCoffee</span> = <span class="hljs-params">(file)</span> -&gt;</span> <span class="hljs-regexp">/\.((lit)?coffee|coffee\.md)$/</span>.test file</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-20">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-20">&#182;</a>
+              </div>
+              <p>Determine if a filename represents a Literate CoffeeScript file.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">isLiterate</span> = <span class="hljs-params">(file)</span> -&gt;</span> <span class="hljs-regexp">/\.(litcoffee|coffee\.md)$/</span>.test file</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-21">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-21">&#182;</a>
+              </div>
+              <p>Throws a SyntaxError from a given location.
+The error’s <code>toString</code> will return an error message following the “standard”
+format <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><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">throwSyntaxError</span> = <span class="hljs-params">(message, location)</span> -&gt;</span>
+  error = <span class="hljs-keyword">new</span> SyntaxError message
+  error.location = location
+  error.toString = syntaxErrorToString</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-22">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-22">&#182;</a>
+              </div>
+              <p>Instead of showing the compiler’s stacktrace, show our custom error message
+(this is useful when the error bubbles up in Node.js applications that
+compile CoffeeScript for example).</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  error.stack = error.toString()
+
+  <span class="hljs-keyword">throw</span> error</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-23">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-23">&#182;</a>
+              </div>
+              <p>Update a compiler SyntaxError with source code information if it didn’t have
+it already.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">updateSyntaxError</span> = <span class="hljs-params">(error, code, filename)</span> -&gt;</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-24">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-24">&#182;</a>
+              </div>
+              <p>Avoid screwing up the <code>stack</code> property of other errors (i.e. possible bugs).</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> error.toString <span class="hljs-keyword">is</span> syntaxErrorToString
+    error.code <span class="hljs-keyword">or</span>= code
+    error.filename <span class="hljs-keyword">or</span>= filename
+    error.stack = error.toString()
+  error
+
+<span class="hljs-function"><span class="hljs-title">syntaxErrorToString</span> = -&gt;</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-attribute">Error</span>::toString.call @ <span class="hljs-keyword">unless</span> <span class="hljs-property">@code</span> <span class="hljs-keyword">and</span> <span class="hljs-property">@location</span>
+
+  {first_line, first_column, last_line, last_column} = <span class="hljs-property">@location</span>
+  last_line ?= first_line
+  last_column ?= first_column
+
+  filename = <span class="hljs-property">@filename</span> <span class="hljs-keyword">or</span> <span class="hljs-string">'[stdin]'</span>
+  codeLine = <span class="hljs-property">@code</span>.split(<span class="hljs-string">'\n'</span>)[first_line]
+  start    = first_column</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-25">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-25">&#182;</a>
+              </div>
+              <p>Show only the first line on multi-line errors.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  end      = <span class="hljs-keyword">if</span> first_line <span class="hljs-keyword">is</span> last_line <span class="hljs-keyword">then</span> last_column + <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> codeLine.length
+  marker   = codeLine[...start].replace(<span class="hljs-regexp">/[^\s]/g</span>, <span class="hljs-string">' '</span>) + repeat(<span class="hljs-string">'^'</span>, end - start)</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-26">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-26">&#182;</a>
+              </div>
+              <p>Check to see if we’re running on a color-enabled TTY.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> process?
+    colorsEnabled = process.stdout.isTTY <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> process.env.NODE_DISABLE_COLORS
+
+  <span class="hljs-keyword">if</span> <span class="hljs-property">@colorful</span> ? colorsEnabled
+    <span class="hljs-function"><span class="hljs-title">colorize</span> = <span class="hljs-params">(str)</span> -&gt;</span> <span class="hljs-string">"\x1B[1;31m<span class="hljs-subst">#{str}</span>\x1B[0m"</span>
+    codeLine = codeLine[...start] + colorize(codeLine[start...end]) + codeLine[end..]
+    marker   = colorize marker
+
+  <span class="hljs-string">"""
+    <span class="hljs-subst">#{filename}</span>:<span class="hljs-subst">#{first_line + <span class="hljs-number">1</span>}</span>:<span class="hljs-subst">#{first_column + <span class="hljs-number">1</span>}</span>: error: <span class="hljs-subst">#{<span class="hljs-property">@message</span>}</span>
+    <span class="hljs-subst">#{codeLine}</span>
+    <span class="hljs-subst">#{marker}</span>
+  """</span>
+
+<span class="hljs-built_in">exports</span>.<span class="hljs-function"><span class="hljs-title">nameWhitespaceCharacter</span> = <span class="hljs-params">(string)</span> -&gt;</span>
+  <span class="hljs-keyword">switch</span> string
+    <span class="hljs-keyword">when</span> <span class="hljs-string">' '</span> <span class="hljs-keyword">then</span> <span class="hljs-string">'space'</span>
+    <span class="hljs-keyword">when</span> <span class="hljs-string">'\n'</span> <span class="hljs-keyword">then</span> <span class="hljs-string">'newline'</span>
+    <span class="hljs-keyword">when</span> <span class="hljs-string">'\r'</span> <span class="hljs-keyword">then</span> <span class="hljs-string">'carriage return'</span>
+    <span class="hljs-keyword">when</span> <span class="hljs-string">'\t'</span> <span class="hljs-keyword">then</span> <span class="hljs-string">'tab'</span>
+    <span class="hljs-keyword">else</span> string</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/index.html

@@ -1,3 +1,129 @@
-<!DOCTYPE html>  <html> <head>   <title>index.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               index.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>Loader for CoffeeScript as a Node.js library.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nx">exports</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">require</span> <span class="s1">&#39;./coffee-script&#39;</span>
+<!DOCTYPE html>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <h1>index.coffee</h1>
+              </div>
+          </li>
+        
+        
+        
+        <li id="section-1">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <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><span class="hljs-built_in">exports</span>[key] = val <span class="hljs-keyword">for</span> key, val <span class="hljs-keyword">of</span> <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</span></pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/optparse.html

@@ -1,87 +1,366 @@
-<!DOCTYPE html>  <html> <head>   <title>optparse.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               optparse.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>A simple <strong>OptionParser</strong> class to parse option flags from the command-line.
+<!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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <h1>optparse.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>{repeat} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#182;</a>
+              </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
+<pre><code>parser  = <span class="hljs-keyword">new</span> 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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.OptionParser = </span><span class="k">class</span> <span class="nx">OptionParser</span></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>Initialize with a list of valid options, in the form:</p>
+</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><span class="hljs-built_in">exports</span>.OptionParser = <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">OptionParser</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>Initialize with a list of valid options, in the form:</p>
 <pre><code>[short-flag, long-flag, description]
-</code></pre>
+</code></pre><p>Along with an an optional banner for the usage help.</p>
 
-<p>Along with an an optional banner for the usage help.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">constructor: </span><span class="nf">(rules, @banner) -&gt;</span>
-    <span class="vi">@rules = </span><span class="nx">buildRules</span> <span class="nx">rules</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>Parse the list of arguments, populating an <code>options</code> object with all of the
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">constructor</span>: <span class="hljs-function"><span class="hljs-params">(rules, <span class="hljs-property">@banner</span>)</span> -&gt;</span>
+    <span class="hljs-property">@rules</span> = buildRules rules</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </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're responsible for interpreting the options object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">parse: </span><span class="nf">(args) -&gt;</span>
-    <span class="nv">options = arguments: </span><span class="p">[]</span>
-    <span class="nv">skippingArgument = </span><span class="kc">no</span>
-    <span class="nv">originalArgs = </span><span class="nx">args</span>
-    <span class="nv">args = </span><span class="nx">normalizeArguments</span> <span class="nx">args</span>
-    <span class="k">for</span> <span class="nx">arg</span><span class="p">,</span> <span class="nx">i</span> <span class="k">in</span> <span class="nx">args</span>
-      <span class="k">if</span> <span class="nx">skippingArgument</span>
-        <span class="nv">skippingArgument = </span><span class="kc">no</span>
-        <span class="k">continue</span>
-      <span class="k">if</span> <span class="nx">arg</span> <span class="o">is</span> <span class="s1">&#39;--&#39;</span>
-        <span class="nv">pos = </span><span class="nx">originalArgs</span><span class="p">.</span><span class="nx">indexOf</span> <span class="s1">&#39;--&#39;</span>
-        <span class="nv">options.arguments = </span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">originalArgs</span><span class="p">[(</span><span class="nx">pos</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)..]</span>
-        <span class="k">break</span>
-      <span class="nv">isOption = </span><span class="o">!!</span><span class="p">(</span><span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)</span> <span class="o">or</span> <span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">SHORT_FLAG</span><span class="p">))</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre>      <span class="nv">seenNonOptionArg = </span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">0</span>
-      <span class="nx">unless</span> <span class="nx">seenNonOptionArg</span>
-        <span class="nv">matchedRule = </span><span class="kc">no</span>
-        <span class="k">for</span> <span class="nx">rule</span> <span class="k">in</span> <span class="nx">@rules</span>
-          <span class="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">shortFlag</span> <span class="o">is</span> <span class="nx">arg</span> <span class="o">or</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">longFlag</span> <span class="o">is</span> <span class="nx">arg</span>
-            <span class="nv">value = </span><span class="kc">true</span>
-            <span class="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">hasArgument</span>
-              <span class="nv">skippingArgument = </span><span class="kc">yes</span>
-              <span class="nv">value = </span><span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span>
-            <span class="nx">options</span><span class="p">[</span><span class="nx">rule</span><span class="p">.</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">isList</span> <span class="k">then</span> <span class="p">(</span><span class="nx">options</span><span class="p">[</span><span class="nx">rule</span><span class="p">.</span><span class="nx">name</span><span class="p">]</span> <span class="o">or</span> <span class="p">[]).</span><span class="nx">concat</span> <span class="nx">value</span> <span class="k">else</span> <span class="nx">value</span>
-            <span class="nv">matchedRule = </span><span class="kc">yes</span>
-            <span class="k">break</span>
-        <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">&quot;unrecognized option: #{arg}&quot;</span> <span class="k">if</span> <span class="nx">isOption</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">matchedRule</span>
-      <span class="k">if</span> <span class="nx">seenNonOptionArg</span> <span class="o">or</span> <span class="o">not</span> <span class="nx">isOption</span>
-        <span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">push</span> <span class="nx">arg</span>
-    <span class="nx">options</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">help: </span><span class="o">-&gt;</span>
-    <span class="nv">lines = </span><span class="p">[]</span>
-    <span class="nx">lines</span><span class="p">.</span><span class="nx">unshift</span> <span class="s2">&quot;#{@banner}\n&quot;</span> <span class="k">if</span> <span class="nx">@banner</span>
-    <span class="k">for</span> <span class="nx">rule</span> <span class="k">in</span> <span class="nx">@rules</span>
-      <span class="nv">spaces  = </span><span class="mi">15</span> <span class="o">-</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">longFlag</span><span class="p">.</span><span class="nx">length</span>
-      <span class="nv">spaces  = </span><span class="k">if</span> <span class="nx">spaces</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="nb">Array</span><span class="p">(</span><span class="nx">spaces</span> <span class="o">+</span> <span class="mi">1</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">)</span> <span class="k">else</span> <span class="s1">&#39;&#39;</span>
-      <span class="nv">letPart = </span><span class="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">shortFlag</span> <span class="k">then</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">shortFlag</span> <span class="o">+</span> <span class="s1">&#39;, &#39;</span> <span class="k">else</span> <span class="s1">&#39;    &#39;</span>
-      <span class="nx">lines</span><span class="p">.</span><span class="nx">push</span> <span class="s1">&#39;  &#39;</span> <span class="o">+</span> <span class="nx">letPart</span> <span class="o">+</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">longFlag</span> <span class="o">+</span> <span class="nx">spaces</span> <span class="o">+</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">description</span>
-    <span class="s2">&quot;\n#{ lines.join(&#39;\n&#39;) }\n&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#182;</a>               </div>               <h2>Helpers</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>Regex matchers for option flags.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">LONG_FLAG  = </span><span class="sr">/^(--\w[\w\-]*)/</span>
-<span class="nv">SHORT_FLAG = </span><span class="sr">/^(-\w)$/</span>
-<span class="nv">MULTI_FLAG = </span><span class="sr">/^-(\w{2,})/</span>
-<span class="nv">OPTIONAL   = </span><span class="sr">/\[(\w+(\*?))\]/</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-8">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">buildRules = </span><span class="nf">(rules) -&gt;</span>
-  <span class="k">for</span> <span class="nx">tuple</span> <span class="k">in</span> <span class="nx">rules</span>
-    <span class="nx">tuple</span><span class="p">.</span><span class="nx">unshift</span> <span class="kc">null</span> <span class="k">if</span> <span class="nx">tuple</span><span class="p">.</span><span class="nx">length</span> <span class="o">&lt;</span> <span class="mi">3</span>
-    <span class="nx">buildRule</span> <span class="nx">tuple</span><span class="p">...</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">buildRule = </span><span class="nf">(shortFlag, longFlag, description, options = {}) -&gt;</span>
-  <span class="nv">match     = </span><span class="nx">longFlag</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">OPTIONAL</span><span class="p">)</span>
-  <span class="nv">longFlag  = </span><span class="nx">longFlag</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
-  <span class="p">{</span>
-    <span class="nv">name: </span>        <span class="nx">longFlag</span><span class="p">.</span><span class="nx">substr</span> <span class="mi">2</span>
-    <span class="nv">shortFlag: </span>   <span class="nx">shortFlag</span>
-    <span class="nv">longFlag: </span>    <span class="nx">longFlag</span>
-    <span class="nv">description: </span> <span class="nx">description</span>
-    <span class="nv">hasArgument: </span> <span class="o">!!</span><span class="p">(</span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
-    <span class="nv">isList: </span>      <span class="o">!!</span><span class="p">(</span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">2</span><span class="p">])</span>
-  <span class="p">}</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">normalizeArguments = </span><span class="nf">(args) -&gt;</span>
-  <span class="nv">args = </span><span class="nx">args</span><span class="p">[..]</span>
-  <span class="nv">result = </span><span class="p">[]</span>
-  <span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">args</span>
-    <span class="k">if</span> <span class="nv">match = </span><span class="nx">arg</span><span class="p">.</span><span class="nx">match</span> <span class="nx">MULTI_FLAG</span>
-      <span class="nx">result</span><span class="p">.</span><span class="nx">push</span> <span class="s1">&#39;-&#39;</span> <span class="o">+</span> <span class="nx">l</span> <span class="k">for</span> <span class="nx">l</span> <span class="k">in</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">split</span> <span class="s1">&#39;&#39;</span>
-    <span class="k">else</span>
-      <span class="nx">result</span><span class="p">.</span><span class="nx">push</span> <span class="nx">arg</span>
-  <span class="nx">result</span>
+you’re responsible for interpreting the options object.</p>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">parse</span>: <span class="hljs-function"><span class="hljs-params">(args)</span> -&gt;</span>
+    options = <span class="hljs-attribute">arguments</span>: []
+    skippingArgument = <span class="hljs-literal">no</span>
+    originalArgs = args
+    args = normalizeArguments args
+    <span class="hljs-keyword">for</span> arg, i <span class="hljs-keyword">in</span> args
+      <span class="hljs-keyword">if</span> skippingArgument
+        skippingArgument = <span class="hljs-literal">no</span>
+        <span class="hljs-keyword">continue</span>
+      <span class="hljs-keyword">if</span> arg <span class="hljs-keyword">is</span> <span class="hljs-string">'--'</span>
+        pos = originalArgs.indexOf <span class="hljs-string">'--'</span>
+        options.arguments = options.arguments.concat originalArgs[(pos + <span class="hljs-number">1</span>)..]
+        <span class="hljs-keyword">break</span>
+      isOption = !!(arg.match(LONG_FLAG) <span class="hljs-keyword">or</span> arg.match(SHORT_FLAG))</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-5">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-5">&#182;</a>
+              </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="hljs-number">0</span>
+      <span class="hljs-keyword">unless</span> seenNonOptionArg
+        matchedRule = <span class="hljs-literal">no</span>
+        <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> <span class="hljs-property">@rules</span>
+          <span class="hljs-keyword">if</span> rule.shortFlag <span class="hljs-keyword">is</span> arg <span class="hljs-keyword">or</span> rule.longFlag <span class="hljs-keyword">is</span> arg
+            value = <span class="hljs-literal">true</span>
+            <span class="hljs-keyword">if</span> rule.hasArgument
+              skippingArgument = <span class="hljs-literal">yes</span>
+              value = args[i + <span class="hljs-number">1</span>]
+            options[rule.name] = <span class="hljs-keyword">if</span> rule.isList <span class="hljs-keyword">then</span> (options[rule.name] <span class="hljs-keyword">or</span> []).concat value <span class="hljs-keyword">else</span> value
+            matchedRule = <span class="hljs-literal">yes</span>
+            <span class="hljs-keyword">break</span>
+        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"unrecognized option: <span class="hljs-subst">#{arg}</span>"</span> <span class="hljs-keyword">if</span> isOption <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> matchedRule
+      <span class="hljs-keyword">if</span> seenNonOptionArg <span class="hljs-keyword">or</span> <span class="hljs-keyword">not</span> isOption
+        options.arguments.push arg
+    options</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#182;</a>
+              </div>
+              <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>  <span class="hljs-attribute">help</span>:<span class="hljs-function"> -&gt;</span>
+    lines = []
+    lines.unshift <span class="hljs-string">"<span class="hljs-subst">#{<span class="hljs-property">@banner</span>}</span>\n"</span> <span class="hljs-keyword">if</span> <span class="hljs-property">@banner</span>
+    <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> <span class="hljs-property">@rules</span>
+      spaces  = <span class="hljs-number">15</span> - rule.longFlag.length
+      spaces  = <span class="hljs-keyword">if</span> spaces &gt; <span class="hljs-number">0</span> <span class="hljs-keyword">then</span> repeat <span class="hljs-string">' '</span>, spaces <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
+      letPart = <span class="hljs-keyword">if</span> rule.shortFlag <span class="hljs-keyword">then</span> rule.shortFlag + <span class="hljs-string">', '</span> <span class="hljs-keyword">else</span> <span class="hljs-string">'    '</span>
+      lines.push <span class="hljs-string">'  '</span> + letPart + rule.longFlag + spaces + rule.description
+    <span class="hljs-string">"\n<span class="hljs-subst">#{ lines.join(<span class="hljs-string">'\n'</span>) }</span>\n"</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </div>
+              <h2 id="helpers">Helpers</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>Regex matchers for option flags.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>LONG_FLAG  = <span class="hljs-regexp">/^(--\w[\w\-]*)/</span>
+SHORT_FLAG = <span class="hljs-regexp">/^(-\w)$/</span>
+MULTI_FLAG = <span class="hljs-regexp">/^-(\w{2,})/</span>
+OPTIONAL   = <span class="hljs-regexp">/\[(\w+(\*?))\]/</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>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="hljs-function"><span class="hljs-title">buildRules</span> = <span class="hljs-params">(rules)</span> -&gt;</span>
+  <span class="hljs-keyword">for</span> tuple <span class="hljs-keyword">in</span> rules
+    tuple.unshift <span class="hljs-literal">null</span> <span class="hljs-keyword">if</span> tuple.length &lt; <span class="hljs-number">3</span>
+    buildRule tuple...</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </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="hljs-function"><span class="hljs-title">buildRule</span> = <span class="hljs-params">(shortFlag, longFlag, description, options = {})</span> -&gt;</span>
+  match     = longFlag.match(OPTIONAL)
+  longFlag  = longFlag.match(LONG_FLAG)[<span class="hljs-number">1</span>]
+  {
+    <span class="hljs-attribute">name</span>:         longFlag.substr <span class="hljs-number">2</span>
+    <span class="hljs-attribute">shortFlag</span>:    shortFlag
+    <span class="hljs-attribute">longFlag</span>:     longFlag
+    <span class="hljs-attribute">description</span>:  description
+    <span class="hljs-attribute">hasArgument</span>:  !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">1</span>])
+    <span class="hljs-attribute">isList</span>:       !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">2</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>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="hljs-function"><span class="hljs-title">normalizeArguments</span> = <span class="hljs-params">(args)</span> -&gt;</span>
+  args = args[..]
+  result = []
+  <span class="hljs-keyword">for</span> arg <span class="hljs-keyword">in</span> args
+    <span class="hljs-keyword">if</span> match = arg.match MULTI_FLAG
+      result.push <span class="hljs-string">'-'</span> + l <span class="hljs-keyword">for</span> l <span class="hljs-keyword">in</span> match[<span class="hljs-number">1</span>].split <span class="hljs-string">''</span>
+    <span class="hljs-keyword">else</span>
+      result.push arg
+  result</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/public/stylesheets/normalize.css

@@ -0,0 +1,375 @@
+/*! 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;
+}

documentation/docs/register.html

@@ -0,0 +1,251 @@
+<!DOCTYPE html>
+
+<html>
+<head>
+  <title>register.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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <ul class="sections">
+        
+          <li id="title">
+              <div class="annotation">
+                  <h1>register.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>CoffeeScript  = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</span>
+child_process = <span class="hljs-built_in">require</span> <span class="hljs-string">'child_process'</span>
+helpers       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
+path          = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#182;</a>
+              </div>
+              <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="hljs-function"><span class="hljs-title">loadFile</span> = <span class="hljs-params">(<span class="hljs-built_in">module</span>, filename)</span> -&gt;</span>
+  answer = CoffeeScript._compileFile filename, <span class="hljs-literal">false</span>
+  <span class="hljs-built_in">module</span>._compile answer, filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-3">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-3">&#182;</a>
+              </div>
+              <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="hljs-keyword">if</span> <span class="hljs-built_in">require</span>.extensions
+  <span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> CoffeeScript.FILE_EXTENSIONS
+    <span class="hljs-built_in">require</span>.extensions[ext] = loadFile</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </div>
+              <p>Patch Node’s module loader to be able to handle multi-dot extensions.
+This is a horrible thing that should not be required.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  Module = <span class="hljs-built_in">require</span> <span class="hljs-string">'module'</span>
+
+  <span class="hljs-function"><span class="hljs-title">findExtension</span> = <span class="hljs-params">(filename)</span> -&gt;</span>
+    extensions = path.basename(filename).split <span class="hljs-string">'.'</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>Remove the initial dot from dotfiles.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    extensions.shift() <span class="hljs-keyword">if</span> extensions[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">''</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>Start with the longest possible extension and work our way shortwards.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">while</span> extensions.shift()
+      curExtension = <span class="hljs-string">'.'</span> + extensions.join <span class="hljs-string">'.'</span>
+      <span class="hljs-keyword">return</span> curExtension <span class="hljs-keyword">if</span> Module._extensions[curExtension]
+    <span class="hljs-string">'.js'</span>
+
+  <span class="hljs-attribute">Module</span>::<span class="hljs-function"><span class="hljs-title">load</span> = <span class="hljs-params">(filename)</span> -&gt;</span>
+    <span class="hljs-property">@filename</span> = filename
+    <span class="hljs-property">@paths</span> = Module._nodeModulePaths path.dirname filename
+    extension = findExtension filename
+    Module._extensions[extension](<span class="hljs-keyword">this</span>, filename)
+    <span class="hljs-property">@loaded</span> = <span class="hljs-literal">true</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>If we’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="hljs-keyword">if</span> child_process
+  {fork} = child_process
+  binary = <span class="hljs-built_in">require</span>.resolve <span class="hljs-string">'../../bin/coffee'</span>
+  child_process.<span class="hljs-function"><span class="hljs-title">fork</span> = <span class="hljs-params">(path, args, options)</span> -&gt;</span>
+    <span class="hljs-keyword">if</span> helpers.isCoffee path
+      <span class="hljs-keyword">unless</span> Array.isArray args
+        options = args <span class="hljs-keyword">or</span> {}
+        args = []
+      args = [path].concat args
+      path = binary
+    fork path, args, options</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/repl.html

@@ -1,138 +1,572 @@
-<!DOCTYPE html>  <html> <head>   <title>repl.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               repl.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-1">&#182;</a>               </div>               <p>A very simple Read-Eval-Print-Loop. Compiles one line at a time to JavaScript
-and evaluates it. Good for simple tests, or poking around the <strong>Node.js</strong> API.
-Using it looks like this:</p>
+<!DOCTYPE html>
 
-<pre><code>coffee&gt; console.log "#{num} bottles of beer" for num in [99..1]
-</code></pre>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>Start by opening up <code>stdin</code> and <code>stdout</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">stdin = </span><span class="nx">process</span><span class="p">.</span><span class="nx">openStdin</span><span class="p">()</span>
-<span class="nv">stdout = </span><span class="nx">process</span><span class="p">.</span><span class="nx">stdout</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>Require the <strong>coffee-script</strong> module to get access to the compiler.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s1">&#39;./coffee-script&#39;</span>
-<span class="nv">readline     = </span><span class="nx">require</span> <span class="s1">&#39;readline&#39;</span>
-<span class="p">{</span><span class="nx">inspect</span><span class="p">}</span>    <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;util&#39;</span>
-<span class="p">{</span><span class="nx">Script</span><span class="p">}</span>     <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;vm&#39;</span>
-<span class="nv">Module       = </span><span class="nx">require</span> <span class="s1">&#39;module&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>REPL Setup</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Config</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">REPL_PROMPT = </span><span class="s1">&#39;coffee&gt; &#39;</span>
-<span class="nv">REPL_PROMPT_MULTILINE = </span><span class="s1">&#39;------&gt; &#39;</span>
-<span class="nv">REPL_PROMPT_CONTINUATION = </span><span class="s1">&#39;......&gt; &#39;</span>
-<span class="nv">enableColours = </span><span class="kc">no</span>
-<span class="nx">unless</span> <span class="nx">process</span><span class="p">.</span><span class="nx">platform</span> <span class="o">is</span> <span class="s1">&#39;win32&#39;</span>
-  <span class="nv">enableColours = </span><span class="o">not</span> <span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">NODE_DISABLE_COLORS</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#182;</a>               </div>               <p>Log an error.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">error = </span><span class="nf">(err) -&gt;</span>
-  <span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="p">(</span><span class="nx">err</span><span class="p">.</span><span class="nx">stack</span> <span class="o">or</span> <span class="nx">err</span><span class="p">.</span><span class="nx">toString</span><span class="p">())</span> <span class="o">+</span> <span class="s1">&#39;\n&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <h1>Autocompletion</h1>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-8">&#182;</a>               </div>               <p>Regexes to match complete-able bits of text.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">ACCESSOR  = </span><span class="sr">/\s*([\w\.]+)(?:\.(\w*))$/</span>
-<span class="nv">SIMPLEVAR = </span><span class="sr">/(\w+)$/i</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#182;</a>               </div>               <p>Returns a list of completions, and the completed text.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">autocomplete = </span><span class="nf">(text) -&gt;</span>
-  <span class="nx">completeAttribute</span><span class="p">(</span><span class="nx">text</span><span class="p">)</span> <span class="o">or</span> <span class="nx">completeVariable</span><span class="p">(</span><span class="nx">text</span><span class="p">)</span> <span class="o">or</span> <span class="p">[[],</span> <span class="nx">text</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </div>               <p>Attempt to autocomplete a chained dotted attribute: <code>one.two.three</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">completeAttribute = </span><span class="nf">(text) -&gt;</span>
-  <span class="k">if</span> <span class="nv">match = </span><span class="nx">text</span><span class="p">.</span><span class="nx">match</span> <span class="nx">ACCESSOR</span>
-    <span class="p">[</span><span class="nx">all</span><span class="p">,</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">prefix</span><span class="p">]</span> <span class="o">=</span> <span class="nx">match</span>
-    <span class="k">try</span>
-      <span class="nv">val = </span><span class="nx">Script</span><span class="p">.</span><span class="nx">runInThisContext</span> <span class="nx">obj</span>
-    <span class="k">catch</span> <span class="nx">error</span>
-      <span class="k">return</span>
-    <span class="nv">val = </span><span class="nb">Object</span> <span class="nx">val</span>
-    <span class="nv">possibilities = </span><span class="nb">Object</span><span class="p">.</span><span class="nx">getOwnPropertyNames</span> <span class="nx">val</span>
-    <span class="k">for</span> <span class="nx">key</span> <span class="k">of</span> <span class="nx">val</span> <span class="k">when</span> <span class="o">~</span><span class="nx">possibilities</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">val</span>
-      <span class="nx">possibilities</span><span class="p">.</span><span class="nx">push</span> <span class="nx">key</span>
-    <span class="nv">completions = </span><span class="nx">getCompletions</span> <span class="nx">prefix</span><span class="p">,</span> <span class="nx">possibilities</span>
-    <span class="p">[</span><span class="nx">completions</span><span class="p">,</span> <span class="nx">prefix</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-11">&#182;</a>               </div>               <p>Attempt to autocomplete an in-scope free variable: <code>one</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">completeVariable = </span><span class="nf">(text) -&gt;</span>
-  <span class="nv">free = </span><span class="nx">text</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">SIMPLEVAR</span><span class="p">)</span><span class="o">?</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
-  <span class="nv">free = </span><span class="s2">&quot;&quot;</span> <span class="k">if</span> <span class="nx">text</span> <span class="o">is</span> <span class="s2">&quot;&quot;</span>
-  <span class="k">if</span> <span class="nx">free</span><span class="o">?</span>
-    <span class="nv">vars = </span><span class="nx">Script</span><span class="p">.</span><span class="nx">runInThisContext</span> <span class="s1">&#39;Object.getOwnPropertyNames(Object(this))&#39;</span>
-    <span class="nv">keywords = </span><span class="p">(</span><span class="nx">r</span> <span class="k">for</span> <span class="nx">r</span> <span class="k">in</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">RESERVED</span> <span class="k">when</span> <span class="nx">r</span><span class="p">[..</span><span class="mi">1</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">&#39;__&#39;</span><span class="p">)</span>
-    <span class="nv">possibilities = </span><span class="nx">vars</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">keywords</span>
-    <span class="nv">completions = </span><span class="nx">getCompletions</span> <span class="nx">free</span><span class="p">,</span> <span class="nx">possibilities</span>
-    <span class="p">[</span><span class="nx">completions</span><span class="p">,</span> <span class="nx">free</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-12">&#182;</a>               </div>               <p>Return elements of candidates for which <code>prefix</code> is a prefix.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">getCompletions = </span><span class="nf">(prefix, candidates) -&gt;</span>
-  <span class="p">(</span><span class="nx">el</span> <span class="k">for</span> <span class="nx">el</span> <span class="k">in</span> <span class="nx">candidates</span> <span class="k">when</span> <span class="nx">el</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">prefix</span><span class="p">)</span> <span class="o">is</span> <span class="mi">0</span><span class="p">)</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-13">&#182;</a>               </div>               <p>Make sure that uncaught exceptions don't kill the REPL.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nx">process</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;uncaughtException&#39;</span><span class="p">,</span> <span class="nx">error</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-14">&#182;</a>               </div>               <p>The current backlog of multi-line code.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">backlog = </span><span class="s1">&#39;&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-15">&#182;</a>               </div>               <p>The main REPL function. <strong>run</strong> is called every time a line of code is entered.
-Attempt to evaluate the command. If there's an exception, print it out instead
-of exiting.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">run = </span><span class="nf">(buffer) -&gt;</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-16">&#182;</a>               </div>               <p>remove single-line comments</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">buffer = </span><span class="nx">buffer</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/(^|[\r\n]+)(\s*)##?(?:[^#\r\n][^\r\n]*|)($|[\r\n])/</span><span class="p">,</span> <span class="s2">&quot;$1$2$3&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-17">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-17">&#182;</a>               </div>               <p>remove trailing newlines</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">buffer = </span><span class="nx">buffer</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/[\r\n]+$/</span><span class="p">,</span> <span class="s2">&quot;&quot;</span>
-  <span class="k">if</span> <span class="nx">multilineMode</span>
-    <span class="nx">backlog</span> <span class="o">+=</span> <span class="s2">&quot;#{buffer}\n&quot;</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">REPL_PROMPT_CONTINUATION</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
-    <span class="k">return</span>
-  <span class="k">if</span> <span class="o">!</span><span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">trim</span><span class="p">()</span> <span class="o">and</span> <span class="o">!</span><span class="nx">backlog</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
-    <span class="k">return</span>
-  <span class="nv">code = </span><span class="nx">backlog</span> <span class="o">+=</span> <span class="nx">buffer</span>
-  <span class="k">if</span> <span class="nx">code</span><span class="p">[</span><span class="nx">code</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;\\&#39;</span>
-    <span class="nv">backlog = </span><span class="s2">&quot;#{backlog[...-1]}\n&quot;</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">REPL_PROMPT_CONTINUATION</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
-    <span class="k">return</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">REPL_PROMPT</span>
-  <span class="nv">backlog = </span><span class="s1">&#39;&#39;</span>
-  <span class="k">try</span>
-    <span class="nv">_ = </span><span class="nx">global</span><span class="p">.</span><span class="nx">_</span>
-    <span class="nv">returnValue = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nb">eval</span> <span class="s2">&quot;_=(#{code}\n)&quot;</span><span class="p">,</span> <span class="p">{</span>
-      <span class="nv">filename: </span><span class="s1">&#39;repl&#39;</span>
-      <span class="nv">modulename: </span><span class="s1">&#39;repl&#39;</span>
-    <span class="p">}</span>
-    <span class="k">if</span> <span class="nx">returnValue</span> <span class="o">is</span> <span class="kc">undefined</span>
-      <span class="nv">global._ = </span><span class="nx">_</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">write</span> <span class="s2">&quot;#{inspect returnValue, no, 2, enableColours}\n&quot;</span>
-  <span class="k">catch</span> <span class="nx">err</span>
-    <span class="nx">error</span> <span class="nx">err</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
+<html>
+<head>
+  <title>repl.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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <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 = <span class="hljs-built_in">require</span> <span class="hljs-string">'fs'</span>
+path = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
+vm = <span class="hljs-built_in">require</span> <span class="hljs-string">'vm'</span>
+nodeREPL = <span class="hljs-built_in">require</span> <span class="hljs-string">'repl'</span>
+CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</span>
+{merge, updateSyntaxError} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
 
-<span class="k">if</span> <span class="nx">stdin</span><span class="p">.</span><span class="nx">readable</span></pre></div>             </td>           </tr>                               <tr id="section-18">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-18">&#182;</a>               </div>               <p>handle piped input</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">pipedInput = </span><span class="s1">&#39;&#39;</span>
-  <span class="nv">repl =</span>
-    <span class="nv">prompt: </span><span class="o">-&gt;</span> <span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="nx">@_prompt</span>
-    <span class="nv">setPrompt: </span><span class="nf">(p) -&gt;</span> <span class="vi">@_prompt = </span><span class="nx">p</span>
-    <span class="nv">input: </span><span class="nx">stdin</span>
-    <span class="nv">output: </span><span class="nx">stdout</span>
-    <span class="kc">on</span><span class="o">:</span> <span class="o">-&gt;</span>
-  <span class="nx">stdin</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;data&#39;</span><span class="p">,</span> <span class="nf">(chunk) -&gt;</span>
-    <span class="nx">pipedInput</span> <span class="o">+=</span> <span class="nx">chunk</span>
-    <span class="k">return</span> <span class="nx">unless</span> <span class="sr">/\n/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">pipedInput</span>
-    <span class="nv">lines = </span><span class="nx">pipedInput</span><span class="p">.</span><span class="nx">split</span> <span class="s2">&quot;\n&quot;</span>
-    <span class="nv">pipedInput = </span><span class="nx">lines</span><span class="p">[</span><span class="nx">lines</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
-    <span class="k">for</span> <span class="nx">line</span> <span class="k">in</span> <span class="nx">lines</span><span class="p">[...</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="k">when</span> <span class="nx">line</span>
-      <span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="s2">&quot;#{line}\n&quot;</span>
-      <span class="nx">run</span> <span class="nx">line</span>
-    <span class="k">return</span>
-  <span class="nx">stdin</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;end&#39;</span><span class="p">,</span> <span class="o">-&gt;</span>
-    <span class="k">for</span> <span class="nx">line</span> <span class="k">in</span> <span class="nx">pipedInput</span><span class="p">.</span><span class="nx">trim</span><span class="p">().</span><span class="nx">split</span> <span class="s2">&quot;\n&quot;</span> <span class="k">when</span> <span class="nx">line</span>
-      <span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="s2">&quot;#{line}\n&quot;</span>
-      <span class="nx">run</span> <span class="nx">line</span>
-    <span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="s1">&#39;\n&#39;</span>
-    <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">0</span>
-<span class="k">else</span></pre></div>             </td>           </tr>                               <tr id="section-19">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-19">&#182;</a>               </div>               <p>Create the REPL by listening to <strong>stdin</strong>.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="k">if</span> <span class="nx">readline</span><span class="p">.</span><span class="nx">createInterface</span><span class="p">.</span><span class="nx">length</span> <span class="o">&lt;</span> <span class="mi">3</span>
-    <span class="nv">repl = </span><span class="nx">readline</span><span class="p">.</span><span class="nx">createInterface</span> <span class="nx">stdin</span><span class="p">,</span> <span class="nx">autocomplete</span>
-    <span class="nx">stdin</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;data&#39;</span><span class="p">,</span> <span class="nf">(buffer) -&gt;</span> <span class="nx">repl</span><span class="p">.</span><span class="nx">write</span> <span class="nx">buffer</span>
-  <span class="k">else</span>
-    <span class="nv">repl = </span><span class="nx">readline</span><span class="p">.</span><span class="nx">createInterface</span> <span class="nx">stdin</span><span class="p">,</span> <span class="nx">stdout</span><span class="p">,</span> <span class="nx">autocomplete</span>
+replDefaults =
+  <span class="hljs-attribute">prompt</span>: <span class="hljs-string">'coffee&gt; '</span>,
+  <span class="hljs-attribute">historyFile</span>: path.join process.env.HOME, <span class="hljs-string">'.coffee_history'</span> <span class="hljs-keyword">if</span> process.env.HOME
+  <span class="hljs-attribute">historyMaxInputSize</span>: <span class="hljs-number">10240</span>
+  <span class="hljs-attribute">eval</span>: <span class="hljs-function"><span class="hljs-params">(input, context, filename, cb)</span> -&gt;</span></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>
 
-<span class="nv">multilineMode = </span><span class="kc">off</span></pre></div>             </td>           </tr>                               <tr id="section-20">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-20">&#182;</a>               </div>               <p>Handle multi-line mode switch</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nx">repl</span><span class="p">.</span><span class="nx">input</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;keypress&#39;</span><span class="p">,</span> <span class="nf">(char, key) -&gt;</span></pre></div>             </td>           </tr>                               <tr id="section-21">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-21">&#182;</a>               </div>               <p>test for Ctrl-v</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="k">return</span> <span class="nx">unless</span> <span class="nx">key</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">ctrl</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">meta</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">shift</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">name</span> <span class="o">is</span> <span class="s1">&#39;v&#39;</span>
-  <span class="nv">cursorPos = </span><span class="nx">repl</span><span class="p">.</span><span class="nx">cursor</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">cursorTo</span> <span class="mi">0</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">clearLine</span> <span class="mi">1</span>
-  <span class="nv">multilineMode = </span><span class="o">not</span> <span class="nx">multilineMode</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">_line</span><span class="p">()</span> <span class="k">if</span> <span class="o">not</span> <span class="nx">multilineMode</span> <span class="o">and</span> <span class="nx">backlog</span>
-  <span class="nv">backlog = </span><span class="s1">&#39;&#39;</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="p">(</span><span class="nv">newPrompt = </span><span class="k">if</span> <span class="nx">multilineMode</span> <span class="k">then</span> <span class="nx">REPL_PROMPT_MULTILINE</span> <span class="k">else</span> <span class="nx">REPL_PROMPT</span><span class="p">)</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">cursorTo</span> <span class="nx">newPrompt</span><span class="p">.</span><span class="nx">length</span> <span class="o">+</span> <span class="p">(</span><span class="nv">repl.cursor = </span><span class="nx">cursorPos</span><span class="p">)</span></pre></div>             </td>           </tr>                               <tr id="section-22">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-22">&#182;</a>               </div>               <p>Handle Ctrl-d press at end of last line in multiline mode</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nx">repl</span><span class="p">.</span><span class="nx">input</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;keypress&#39;</span><span class="p">,</span> <span class="nf">(char, key) -&gt;</span>
-  <span class="k">return</span> <span class="nx">unless</span> <span class="nx">multilineMode</span> <span class="o">and</span> <span class="nx">repl</span><span class="p">.</span><span class="nx">line</span></pre></div>             </td>           </tr>                               <tr id="section-23">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-23">&#182;</a>               </div>               <p>test for Ctrl-d</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="k">return</span> <span class="nx">unless</span> <span class="nx">key</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">ctrl</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">meta</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">shift</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">name</span> <span class="o">is</span> <span class="s1">&#39;d&#39;</span>
-  <span class="nv">multilineMode = </span><span class="kc">off</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">_line</span><span class="p">()</span>
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    input = input.replace <span class="hljs-regexp">/\uFF00/g</span>, <span class="hljs-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’s REPL sends the input ending with a newline and then wrapped in
+parens. Unwrap all that.</p>
 
-<span class="nx">repl</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;attemptClose&#39;</span><span class="p">,</span> <span class="o">-&gt;</span>
-  <span class="k">if</span> <span class="nx">multilineMode</span>
-    <span class="nv">multilineMode = </span><span class="kc">off</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">cursorTo</span> <span class="mi">0</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">clearLine</span> <span class="mi">1</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">_onLine</span> <span class="nx">repl</span><span class="p">.</span><span class="nx">line</span>
-    <span class="k">return</span>
-  <span class="k">if</span> <span class="nx">backlog</span>
-    <span class="nv">backlog = </span><span class="s1">&#39;&#39;</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">write</span> <span class="s1">&#39;\n&#39;</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">REPL_PROMPT</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
-  <span class="k">else</span>
-    <span class="nx">repl</span><span class="p">.</span><span class="nx">close</span><span class="p">()</span>
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    input = input.replace <span class="hljs-regexp">/^\(([\s\S]*)\n\)$/m</span>, <span class="hljs-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>
 
-<span class="nx">repl</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;close&#39;</span><span class="p">,</span> <span class="o">-&gt;</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">write</span> <span class="s1">&#39;\n&#39;</span>
-  <span class="nx">repl</span><span class="p">.</span><span class="nx">input</span><span class="p">.</span><span class="nx">destroy</span><span class="p">()</span>
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    {Block, Assign, Value, Literal} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./nodes'</span>
 
-<span class="nx">repl</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;line&#39;</span><span class="p">,</span> <span class="nx">run</span>
+    <span class="hljs-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>
 
-<span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">REPL_PROMPT</span>
-<span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
+            </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>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      ast = <span class="hljs-keyword">new</span> Block [
+        <span class="hljs-keyword">new</span> Assign (<span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> Literal <span class="hljs-string">'_'</span>), ast, <span class="hljs-string">'='</span>
+      ]
+      js = ast.compile <span class="hljs-attribute">bare</span>: <span class="hljs-literal">yes</span>, <span class="hljs-attribute">locals</span>: Object.keys(context)
+      result = <span class="hljs-keyword">if</span> context <span class="hljs-keyword">is</span> <span class="hljs-built_in">global</span>
+        vm.runInThisContext js, filename
+      <span class="hljs-keyword">else</span>
+        vm.runInContext js, context, filename
+      cb <span class="hljs-literal">null</span>, result
+    <span class="hljs-keyword">catch</span> err</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </div>
+              <p>AST’s <code>compile</code> does not add source code information to syntax errors.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      updateSyntaxError err, input
+      cb err
+
+<span class="hljs-function"><span class="hljs-title">addMultilineHandler</span> = <span class="hljs-params">(repl)</span> -&gt;</span>
+  {rli, inputStream, outputStream} = repl</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              <p>Node 0.11.12 changed API, prompt is now _prompt.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  origPrompt = repl._prompt ? repl.prompt
+
+  multiline =
+    <span class="hljs-attribute">enabled</span>: <span class="hljs-literal">off</span>
+    <span class="hljs-attribute">initialPrompt</span>: origPrompt.replace <span class="hljs-regexp">/^[^&gt; ]*/</span>, <span class="hljs-function"><span class="hljs-params">(x)</span> -&gt;</span> x.replace <span class="hljs-regexp">/./g</span>, <span class="hljs-string">'-'</span>
+    <span class="hljs-attribute">prompt</span>: origPrompt.replace <span class="hljs-regexp">/^[^&gt; ]*&gt;?/</span>, <span class="hljs-function"><span class="hljs-params">(x)</span> -&gt;</span> x.replace <span class="hljs-regexp">/./g</span>, <span class="hljs-string">'.'</span>
+    <span class="hljs-attribute">buffer</span>: <span class="hljs-string">''</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>Proxy node’s line listener</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  nodeLineListener = rli.listeners(<span class="hljs-string">'line'</span>)[<span class="hljs-number">0</span>]
+  rli.removeListener <span class="hljs-string">'line'</span>, nodeLineListener
+  rli.<span class="hljs-literal">on</span> <span class="hljs-string">'line'</span>, <span class="hljs-function"><span class="hljs-params">(cmd)</span> -&gt;</span>
+    <span class="hljs-keyword">if</span> multiline.enabled
+      multiline.buffer += <span class="hljs-string">"<span class="hljs-subst">#{cmd}</span>\n"</span>
+      rli.setPrompt multiline.prompt
+      rli.prompt <span class="hljs-literal">true</span>
+    <span class="hljs-keyword">else</span>
+      rli.setPrompt origPrompt
+      nodeLineListener cmd
+    <span class="hljs-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>Handle Ctrl-v</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  inputStream.<span class="hljs-literal">on</span> <span class="hljs-string">'keypress'</span>, <span class="hljs-function"><span class="hljs-params">(char, key)</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> key <span class="hljs-keyword">and</span> key.ctrl <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> key.meta <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> key.shift <span class="hljs-keyword">and</span> key.name <span class="hljs-keyword">is</span> <span class="hljs-string">'v'</span>
+    <span class="hljs-keyword">if</span> multiline.enabled</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#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="hljs-keyword">unless</span> multiline.buffer.match <span class="hljs-regexp">/\n/</span>
+        multiline.enabled = <span class="hljs-keyword">not</span> multiline.enabled
+        rli.setPrompt origPrompt
+        rli.prompt <span class="hljs-literal">true</span>
+        <span class="hljs-keyword">return</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>no-op unless the current line is empty</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      <span class="hljs-keyword">return</span> <span class="hljs-keyword">if</span> rli.line? <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> rli.line.match <span class="hljs-regexp">/^\s*$/</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>eval, print, loop</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      multiline.enabled = <span class="hljs-keyword">not</span> multiline.enabled
+      rli.line = <span class="hljs-string">''</span>
+      rli.cursor = <span class="hljs-number">0</span>
+      rli.output.cursorTo <span class="hljs-number">0</span>
+      rli.output.clearLine <span class="hljs-number">1</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>XXX: multiline hack</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      multiline.buffer = multiline.buffer.replace <span class="hljs-regexp">/\n/g</span>, <span class="hljs-string">'\uFF00'</span>
+      rli.emit <span class="hljs-string">'line'</span>, multiline.buffer
+      multiline.buffer = <span class="hljs-string">''</span>
+    <span class="hljs-keyword">else</span>
+      multiline.enabled = <span class="hljs-keyword">not</span> multiline.enabled
+      rli.setPrompt multiline.initialPrompt
+      rli.prompt <span class="hljs-literal">true</span>
+    <span class="hljs-keyword">return</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>Store and load command history from a file</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">addHistory</span> = <span class="hljs-params">(repl, filename, maxSize)</span> -&gt;</span>
+  lastLine = <span class="hljs-literal">null</span>
+  <span class="hljs-keyword">try</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-16">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-16">&#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-17">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-17">&#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="hljs-string">'r'</span>
+    buffer = <span class="hljs-keyword">new</span> Buffer(size)
+    fs.readSync readFd, buffer, <span class="hljs-number">0</span>, size, stat.size - size</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-18">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-18">&#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="hljs-string">'\n'</span>).reverse()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-19">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-19">&#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="hljs-keyword">if</span> stat.size &gt; maxSize</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-20">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-20">&#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="hljs-keyword">if</span> repl.rli.history[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">''</span>
+    repl.rli.historyIndex = -<span class="hljs-number">1</span>
+    lastLine = repl.rli.history[<span class="hljs-number">0</span>]
+
+  fd = fs.openSync filename, <span class="hljs-string">'a'</span>
+
+  repl.rli.addListener <span class="hljs-string">'line'</span>, <span class="hljs-function"><span class="hljs-params">(code)</span> -&gt;</span>
+    <span class="hljs-keyword">if</span> code <span class="hljs-keyword">and</span> code.length <span class="hljs-keyword">and</span> code <span class="hljs-keyword">isnt</span> <span class="hljs-string">'.history'</span> <span class="hljs-keyword">and</span> lastLine <span class="hljs-keyword">isnt</span> code</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-21">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-21">&#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="hljs-string">"<span class="hljs-subst">#{code}</span>\n"</span>
+      lastLine = code
+
+  repl.rli.<span class="hljs-literal">on</span> <span class="hljs-string">'exit'</span>,<span class="hljs-function"> -&gt;</span> fs.close fd</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-22">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-22">&#182;</a>
+              </div>
+              <p>Add a command to show the history stack</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  repl.commands[getCommandId(repl, <span class="hljs-string">'history'</span>)] =
+    <span class="hljs-attribute">help</span>: <span class="hljs-string">'Show command history'</span>
+    <span class="hljs-attribute">action</span>:<span class="hljs-function"> -&gt;</span>
+      repl.outputStream.write <span class="hljs-string">"<span class="hljs-subst">#{repl.rli.history[..].reverse().join <span class="hljs-string">'\n'</span>}</span>\n"</span>
+      repl.displayPrompt()
+
+<span class="hljs-function"><span class="hljs-title">getCommandId</span> = <span class="hljs-params">(repl, commandName)</span> -&gt;</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>Node 0.11 changed API, a command such as ‘.help’ is now stored as ‘help’</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  commandsHaveLeadingDot = repl.commands[<span class="hljs-string">'.help'</span>]?
+  <span class="hljs-keyword">if</span> commandsHaveLeadingDot <span class="hljs-keyword">then</span> <span class="hljs-string">".<span class="hljs-subst">#{commandName}</span>"</span> <span class="hljs-keyword">else</span> commandName
+
+<span class="hljs-built_in">module</span>.<span class="hljs-built_in">exports</span> =
+  <span class="hljs-attribute">start</span>: <span class="hljs-function"><span class="hljs-params">(opts = {})</span> -&gt;</span>
+    [major, minor, build] = process.versions.node.split<span class="hljs-function"><span class="hljs-params">(<span class="hljs-string">'.'</span>)</span>.<span class="hljs-title">map</span> <span class="hljs-params">(n)</span> -&gt;</span> parseInt(n)
+
+    <span class="hljs-keyword">if</span> major <span class="hljs-keyword">is</span> <span class="hljs-number">0</span> <span class="hljs-keyword">and</span> minor &lt; <span class="hljs-number">8</span>
+      <span class="hljs-built_in">console</span>.warn <span class="hljs-string">"Node 0.8.0+ required for CoffeeScript REPL"</span>
+      process.exit <span class="hljs-number">1</span>
+
+    CoffeeScript.register()
+    process.argv = [<span class="hljs-string">'coffee'</span>].concat process.argv[<span class="hljs-number">2.</span>.]
+    opts = merge replDefaults, opts
+    repl = nodeREPL.start opts
+    repl.<span class="hljs-literal">on</span> <span class="hljs-string">'exit'</span>,<span class="hljs-function"> -&gt;</span> repl.outputStream.write <span class="hljs-string">'\n'</span>
+    addMultilineHandler repl
+    addHistory repl, opts.historyFile, opts.historyMaxInputSize <span class="hljs-keyword">if</span> opts.historyFile</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-24">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-24">&#182;</a>
+              </div>
+              <p>Adapt help inherited from the node REPL</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    repl.commands[getCommandId(repl, <span class="hljs-string">'load'</span>)].help = <span class="hljs-string">'Load code from a file into this REPL session'</span>
+    repl</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/scope.html

@@ -1,58 +1,395 @@
-<!DOCTYPE html>  <html> <head>   <title>scope.coffee</title>   <meta http-equiv="content-type" content="text/html; charset=UTF-8">   <link rel="stylesheet" media="all" href="docco.css" /> </head> <body>   <div id="container">     <div id="background"></div>            <div id="jump_to">         Jump To &hellip;         <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.coffee               </a>                        </div>         </div>       </div>          <table cellpadding="0" cellspacing="0">       <thead>         <tr>           <th class="docs">             <h1>               scope.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <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
+<!DOCTYPE html>
+
+<html>
+<head>
+  <title>scope.litcoffee</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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <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 the outside.</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-2">&#182;</a>               </div>               <p>Import the helpers we plan to use.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="p">{</span><span class="nx">extend</span><span class="p">,</span> <span class="nx">last</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;./helpers&#39;</span>
+with external scopes.</p>
+<p>Import the helpers we plan to use.</p>
 
-<span class="nv">exports.Scope = </span><span class="k">class</span> <span class="nx">Scope</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-3">&#182;</a>               </div>               <p>The top-level <strong>Scope</strong> object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="vi">@root: </span><span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-4">&#182;</a>               </div>               <p>Initialize a scope with its parent, for lookups up the chain,
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>{extend, last} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
+
+<span class="hljs-built_in">exports</span>.Scope = <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Scope</span></span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#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="hljs-property">@root</span>: <span class="hljs-literal">null</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>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 wraps.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">constructor: </span><span class="nf">(@parent, @expressions, @method) -&gt;</span>
-    <span class="vi">@variables = </span><span class="p">[{</span><span class="nv">name: </span><span class="s1">&#39;arguments&#39;</span><span class="p">,</span> <span class="nv">type: </span><span class="s1">&#39;arguments&#39;</span><span class="p">}]</span>
-    <span class="vi">@positions = </span><span class="p">{}</span>
-    <span class="nv">Scope.root = </span><span class="k">this</span> <span class="nx">unless</span> <span class="nx">@parent</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-5">&#182;</a>               </div>               <p>Adds a new variable or overrides an existing one.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">add: </span><span class="nf">(name, type, immediate) -&gt;</span>
-    <span class="k">return</span> <span class="nx">@parent</span><span class="p">.</span><span class="nx">add</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">type</span><span class="p">,</span> <span class="nx">immediate</span> <span class="k">if</span> <span class="nx">@shared</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">immediate</span>
-    <span class="k">if</span> <span class="nb">Object</span><span class="o">::</span><span class="nx">hasOwnProperty</span><span class="p">.</span><span class="nx">call</span> <span class="nx">@positions</span><span class="p">,</span> <span class="nx">name</span>
-      <span class="nx">@variables</span><span class="p">[</span><span class="nx">@positions</span><span class="p">[</span><span class="nx">name</span><span class="p">]].</span><span class="nv">type = </span><span class="nx">type</span>
-    <span class="k">else</span>
-      <span class="nx">@positions</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@variables</span><span class="p">.</span><span class="nx">push</span><span class="p">({</span><span class="nx">name</span><span class="p">,</span> <span class="nx">type</span><span class="p">})</span> <span class="o">-</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <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'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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">namedMethod: </span><span class="o">-&gt;</span>
-    <span class="k">return</span> <span class="nx">@method</span> <span class="k">if</span> <span class="nx">@method</span><span class="p">.</span><span class="nx">name</span> <span class="o">or</span> <span class="o">!</span><span class="nx">@parent</span>
-    <span class="nx">@parent</span><span class="p">.</span><span class="nx">namedMethod</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">find: </span><span class="nf">(name) -&gt;</span>
-    <span class="k">return</span> <span class="kc">yes</span> <span class="k">if</span> <span class="nx">@check</span> <span class="nx">name</span>
-    <span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="s1">&#39;var&#39;</span>
-    <span class="kc">no</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">parameter: </span><span class="nf">(name) -&gt;</span>
-    <span class="k">return</span> <span class="k">if</span> <span class="nx">@shared</span> <span class="o">and</span> <span class="nx">@parent</span><span class="p">.</span><span class="nx">check</span> <span class="nx">name</span><span class="p">,</span> <span class="kc">yes</span>
-    <span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="s1">&#39;param&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-9">&#182;</a>               </div>               <p>Just check to see if a variable has already been declared, without reserving,
-walks up to the root scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">check: </span><span class="nf">(name) -&gt;</span>
-    <span class="o">!!</span><span class="p">(</span><span class="nx">@type</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">or</span> <span class="nx">@parent</span><span class="o">?</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-10">&#182;</a>               </div>               <p>Generate a temporary variable name at the given index.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">temporary: </span><span class="nf">(name, index) -&gt;</span>
-    <span class="k">if</span> <span class="nx">name</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">1</span>
-      <span class="s1">&#39;_&#39;</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="k">if</span> <span class="nx">index</span> <span class="o">&gt;</span> <span class="mi">1</span> <span class="k">then</span> <span class="nx">index</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">else</span> <span class="s1">&#39;&#39;</span>
-    <span class="k">else</span>
-      <span class="s1">&#39;_&#39;</span> <span class="o">+</span> <span class="p">(</span><span class="nx">index</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">name</span><span class="p">,</span> <span class="mi">36</span><span class="p">).</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span> <span class="sr">/\d/g</span><span class="p">,</span> <span class="s1">&#39;a&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-11">&#182;</a>               </div>               <p>Gets the type of a variable.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">type: </span><span class="nf">(name) -&gt;</span>
-    <span class="k">return</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span> <span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span> <span class="o">is</span> <span class="nx">name</span>
-    <span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-12">&#182;</a>               </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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">freeVariable: </span><span class="nf">(name, reserve=true) -&gt;</span>
-    <span class="nv">index = </span><span class="mi">0</span>
-    <span class="nx">index</span><span class="o">++</span> <span class="k">while</span> <span class="nx">@check</span><span class="p">((</span><span class="nv">temp = </span><span class="nx">@temporary</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">index</span><span class="p">))</span>
-    <span class="nx">@add</span> <span class="nx">temp</span><span class="p">,</span> <span class="s1">&#39;var&#39;</span><span class="p">,</span> <span class="kc">yes</span> <span class="k">if</span> <span class="nx">reserve</span>
-    <span class="nx">temp</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="pilwrap">                 <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>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">assign: </span><span class="nf">(name, value) -&gt;</span>
-    <span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="p">{</span><span class="nx">value</span><span class="p">,</span> <span class="nv">assigned: </span><span class="kc">yes</span><span class="p">},</span> <span class="kc">yes</span>
-    <span class="vi">@hasAssignments = </span><span class="kc">yes</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-14">&#182;</a>               </div>               <p>Does this scope have any declared variables?</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">hasDeclarations: </span><span class="o">-&gt;</span>
-    <span class="o">!!</span><span class="nx">@declaredVariables</span><span class="p">().</span><span class="nx">length</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-15">&#182;</a>               </div>               <p>Return the list of variables first declared in this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">declaredVariables: </span><span class="o">-&gt;</span>
-    <span class="nv">realVars = </span><span class="p">[]</span>
-    <span class="nv">tempVars = </span><span class="p">[]</span>
-    <span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span> <span class="o">is</span> <span class="s1">&#39;var&#39;</span>
-      <span class="p">(</span><span class="k">if</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;_&#39;</span> <span class="k">then</span> <span class="nx">tempVars</span> <span class="k">else</span> <span class="nx">realVars</span><span class="p">).</span><span class="nx">push</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span>
-    <span class="nx">realVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">().</span><span class="nx">concat</span> <span class="nx">tempVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-16">&#182;</a>               </div>               <p>Return the list of assignments that are supposed to be made at the top
-of this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">assignedVariables: </span><span class="o">-&gt;</span>
-    <span class="s2">&quot;#{v.name} = #{v.type.value}&quot;</span> <span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span><span class="p">.</span><span class="nx">assigned</span>
+it belongs to.</p>
 
-</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">constructor</span>: <span class="hljs-function"><span class="hljs-params">(<span class="hljs-property">@parent</span>, <span class="hljs-property">@expressions</span>, <span class="hljs-property">@method</span>)</span> -&gt;</span>
+    <span class="hljs-property">@variables</span> = [{<span class="hljs-attribute">name</span>: <span class="hljs-string">'arguments'</span>, <span class="hljs-attribute">type</span>: <span class="hljs-string">'arguments'</span>}]
+    <span class="hljs-property">@positions</span> = {}
+    Scope.root = <span class="hljs-keyword">this</span> <span class="hljs-keyword">unless</span> <span class="hljs-property">@parent</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>Adds a new variable or overrides an existing one.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">add</span>: <span class="hljs-function"><span class="hljs-params">(name, type, immediate)</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-property">@parent</span>.add name, type, immediate <span class="hljs-keyword">if</span> <span class="hljs-property">@shared</span> <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> immediate
+    <span class="hljs-keyword">if</span> <span class="hljs-attribute">Object</span>::hasOwnProperty.call <span class="hljs-property">@positions</span>, name
+      <span class="hljs-property">@variables</span>[<span class="hljs-property">@positions</span>[name]].type = type
+    <span class="hljs-keyword">else</span>
+      <span class="hljs-property">@positions</span>[name] = <span class="hljs-property">@variables</span>.push({name, type}) - <span class="hljs-number">1</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>When <code>super</code> is called, we need to find the name of the current method we’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>  <span class="hljs-attribute">namedMethod</span>:<span class="hljs-function"> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-property">@method</span> <span class="hljs-keyword">if</span> <span class="hljs-property">@method</span>?.name <span class="hljs-keyword">or</span> !<span class="hljs-property">@parent</span>
+    <span class="hljs-property">@parent</span>.namedMethod()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#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>  <span class="hljs-attribute">find</span>: <span class="hljs-function"><span class="hljs-params">(name)</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-literal">yes</span> <span class="hljs-keyword">if</span> <span class="hljs-property">@check</span> name
+    <span class="hljs-property">@add</span> name, <span class="hljs-string">'var'</span>
+    <span class="hljs-literal">no</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>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>  <span class="hljs-attribute">parameter</span>: <span class="hljs-function"><span class="hljs-params">(name)</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-keyword">if</span> <span class="hljs-property">@shared</span> <span class="hljs-keyword">and</span> <span class="hljs-property">@parent</span>.check name, <span class="hljs-literal">yes</span>
+    <span class="hljs-property">@add</span> name, <span class="hljs-string">'param'</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>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>  <span class="hljs-attribute">check</span>: <span class="hljs-function"><span class="hljs-params">(name)</span> -&gt;</span>
+    !!(<span class="hljs-property">@type</span>(name) <span class="hljs-keyword">or</span> <span class="hljs-property">@parent</span>?.check(name))</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>Generate a temporary variable name at the given index.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">temporary</span>: <span class="hljs-function"><span class="hljs-params">(name, index)</span> -&gt;</span>
+    <span class="hljs-keyword">if</span> name.length &gt; <span class="hljs-number">1</span>
+      <span class="hljs-string">'_'</span> + name + <span class="hljs-keyword">if</span> index &gt; <span class="hljs-number">1</span> <span class="hljs-keyword">then</span> index - <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
+    <span class="hljs-keyword">else</span>
+      <span class="hljs-string">'_'</span> + (index + parseInt name, <span class="hljs-number">36</span>).toString(<span class="hljs-number">36</span>).replace <span class="hljs-regexp">/\d/g</span>, <span class="hljs-string">'a'</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>Gets the type of a variable.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">type</span>: <span class="hljs-function"><span class="hljs-params">(name)</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> v.type <span class="hljs-keyword">for</span> v <span class="hljs-keyword">in</span> <span class="hljs-property">@variables</span> <span class="hljs-keyword">when</span> v.name <span class="hljs-keyword">is</span> name
+    <span class="hljs-literal">null</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>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>  <span class="hljs-attribute">freeVariable</span>: <span class="hljs-function"><span class="hljs-params">(name, reserve=<span class="hljs-literal">true</span>)</span> -&gt;</span>
+    index = <span class="hljs-number">0</span>
+    index++ <span class="hljs-keyword">while</span> <span class="hljs-property">@check</span>((temp = <span class="hljs-property">@temporary</span> name, index))
+    <span class="hljs-property">@add</span> temp, <span class="hljs-string">'var'</span>, <span class="hljs-literal">yes</span> <span class="hljs-keyword">if</span> reserve
+    temp</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-12">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-12">&#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>  <span class="hljs-attribute">assign</span>: <span class="hljs-function"><span class="hljs-params">(name, value)</span> -&gt;</span>
+    <span class="hljs-property">@add</span> name, {value, <span class="hljs-attribute">assigned</span>: <span class="hljs-literal">yes</span>}, <span class="hljs-literal">yes</span>
+    <span class="hljs-property">@hasAssignments</span> = <span class="hljs-literal">yes</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>Does this scope have any declared variables?</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">hasDeclarations</span>:<span class="hljs-function"> -&gt;</span>
+    !!<span class="hljs-property">@declaredVariables</span>().length</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-14">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-14">&#182;</a>
+              </div>
+              <p>Return the list of variables first declared in this scope.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">declaredVariables</span>:<span class="hljs-function"> -&gt;</span>
+    realVars = []
+    tempVars = []
+    <span class="hljs-keyword">for</span> v <span class="hljs-keyword">in</span> <span class="hljs-property">@variables</span> <span class="hljs-keyword">when</span> v.type <span class="hljs-keyword">is</span> <span class="hljs-string">'var'</span>
+      (<span class="hljs-keyword">if</span> v.name.charAt(<span class="hljs-number">0</span>) <span class="hljs-keyword">is</span> <span class="hljs-string">'_'</span> <span class="hljs-keyword">then</span> tempVars <span class="hljs-keyword">else</span> realVars).push v.name
+    realVars.sort().concat tempVars.sort()</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-15">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-15">&#182;</a>
+              </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>  <span class="hljs-attribute">assignedVariables</span>:<span class="hljs-function"> -&gt;</span>
+    <span class="hljs-string">"<span class="hljs-subst">#{v.name}</span> = <span class="hljs-subst">#{v.type.value}</span>"</span> <span class="hljs-keyword">for</span> v <span class="hljs-keyword">in</span> <span class="hljs-property">@variables</span> <span class="hljs-keyword">when</span> v.type.assigned</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/docs/sourcemap.html

@@ -0,0 +1,523 @@
+<!DOCTYPE html>
+
+<html>
+<head>
+  <title>sourcemap.litcoffee</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_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="register.html">
+                  register.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>
+          </div>
+        </li>
+      </ul>
+    
+    <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’re concerned with mapping pretty-printed
+JavaScript back to CoffeeScript.</p>
+<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>
+<h2 id="linemap">LineMap</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#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="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">LineMap</span></span>
+  <span class="hljs-attribute">constructor</span>: <span class="hljs-function"><span class="hljs-params">(<span class="hljs-property">@line</span>)</span> -&gt;</span>
+    <span class="hljs-property">@columns</span> = []
+
+  <span class="hljs-attribute">add</span>: <span class="hljs-function"><span class="hljs-params">(column, [sourceLine, sourceColumn], options={})</span> -&gt;</span>
+    <span class="hljs-keyword">return</span> <span class="hljs-keyword">if</span> <span class="hljs-property">@columns</span>[column] <span class="hljs-keyword">and</span> options.noReplace
+    <span class="hljs-property">@columns</span>[column] = {<span class="hljs-attribute">line</span>: <span class="hljs-property">@line</span>, column, sourceLine, sourceColumn}
+
+  <span class="hljs-attribute">sourceLocation</span>: <span class="hljs-function"><span class="hljs-params">(column)</span> -&gt;</span>
+    column-- <span class="hljs-keyword">until</span> (mapping = <span class="hljs-property">@columns</span>[column]) <span class="hljs-keyword">or</span> (column &lt;= <span class="hljs-number">0</span>)
+    mapping <span class="hljs-keyword">and</span> [mapping.sourceLine, mapping.sourceColumn]</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-3">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-3">&#182;</a>
+              </div>
+              <h2 id="sourcemap">SourceMap</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </div>
+              <p>Maps locations in a single generated JavaScript file back to locations in
+the original CoffeeScript source file.</p>
+<p>This is intentionally agnostic towards how a source map might be represented on
+disk. Once the compiler is ready to produce a “v3”-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="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">SourceMap</span></span>
+  <span class="hljs-attribute">constructor</span>:<span class="hljs-function"> -&gt;</span>
+    <span class="hljs-property">@lines</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 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>  <span class="hljs-attribute">add</span>: <span class="hljs-function"><span class="hljs-params">(sourceLocation, generatedLocation, options = {})</span> -&gt;</span>
+    [line, column] = generatedLocation
+    lineMap = (<span class="hljs-property">@lines</span>[line] <span class="hljs-keyword">or</span>= <span class="hljs-keyword">new</span> LineMap(line))
+    lineMap.add column, sourceLocation, options</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#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>  <span class="hljs-attribute">sourceLocation</span>: <span class="hljs-function"><span class="hljs-params">([line, column])</span> -&gt;</span>
+    line-- <span class="hljs-keyword">until</span> (lineMap = <span class="hljs-property">@lines</span>[line]) <span class="hljs-keyword">or</span> (line &lt;= <span class="hljs-number">0</span>)
+    lineMap <span class="hljs-keyword">and</span> lineMap.sourceLocation column</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </div>
+              <h2 id="v3-sourcemap-generation">V3 SourceMap Generation</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#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 “sources” and “file”, respectively.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-attribute">generate</span>: <span class="hljs-function"><span class="hljs-params">(options = {}, code = <span class="hljs-literal">null</span>)</span> -&gt;</span>
+    writingline       = <span class="hljs-number">0</span>
+    lastColumn        = <span class="hljs-number">0</span>
+    lastSourceLine    = <span class="hljs-number">0</span>
+    lastSourceColumn  = <span class="hljs-number">0</span>
+    needComma         = <span class="hljs-literal">no</span>
+    buffer            = <span class="hljs-string">""</span>
+
+    <span class="hljs-keyword">for</span> lineMap, lineNumber <span class="hljs-keyword">in</span> <span class="hljs-property">@lines</span> <span class="hljs-keyword">when</span> lineMap
+      <span class="hljs-keyword">for</span> mapping <span class="hljs-keyword">in</span> lineMap.columns <span class="hljs-keyword">when</span> mapping
+        <span class="hljs-keyword">while</span> writingline &lt; mapping.line
+          lastColumn = <span class="hljs-number">0</span>
+          needComma = <span class="hljs-literal">no</span>
+          buffer += <span class="hljs-string">";"</span>
+          writingline++</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>Write a comma if we’ve already written a segment on this line.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>        <span class="hljs-keyword">if</span> needComma
+          buffer += <span class="hljs-string">","</span>
+          needComma = <span class="hljs-literal">no</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>Write the next segment. Segments can be 1, 4, or 5 values.  If just one, then it
+is a generated column which doesn’t match anything in the source code.</p>
+<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="hljs-property">@encodeVlq</span> mapping.column - lastColumn
+        lastColumn = mapping.column</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </div>
+              <p>The index into the list of sources:</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>        buffer += <span class="hljs-property">@encodeVlq</span> <span class="hljs-number">0</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>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="hljs-property">@encodeVlq</span> mapping.sourceLine - lastSourceLine
+        lastSourceLine = mapping.sourceLine</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-13">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-13">&#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="hljs-property">@encodeVlq</span> mapping.sourceColumn - lastSourceColumn
+        lastSourceColumn = mapping.sourceColumn
+        needComma = <span class="hljs-literal">yes</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>Produce the canonical JSON object format for a “v3” source map.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    v3 =
+      <span class="hljs-attribute">version</span>:    <span class="hljs-number">3</span>
+      <span class="hljs-attribute">file</span>:       options.generatedFile <span class="hljs-keyword">or</span> <span class="hljs-string">''</span>
+      <span class="hljs-attribute">sourceRoot</span>: options.sourceRoot <span class="hljs-keyword">or</span> <span class="hljs-string">''</span>
+      <span class="hljs-attribute">sources</span>:    options.sourceFiles <span class="hljs-keyword">or</span> [<span class="hljs-string">''</span>]
+      <span class="hljs-attribute">names</span>:      []
+      <span class="hljs-attribute">mappings</span>:   buffer
+
+    v3.sourcesContent = [code] <span class="hljs-keyword">if</span> options.inline
+
+    JSON.stringify v3, <span class="hljs-literal">null</span>, <span class="hljs-number">2</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-15">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-15">&#182;</a>
+              </div>
+              <h2 id="base64-vlq-encoding">Base64 VLQ Encoding</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-16">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-16">&#182;</a>
+              </div>
+              <p>Note that SourceMap VLQ encoding is “backwards”.  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="hljs-number">5</span>
+  VLQ_CONTINUATION_BIT = <span class="hljs-number">1</span> &lt;&lt; VLQ_SHIFT             <span class="hljs-comment"># 0010 0000</span>
+  VLQ_VALUE_MASK       = VLQ_CONTINUATION_BIT - <span class="hljs-number">1</span>   <span class="hljs-comment"># 0001 1111</span>
+
+  <span class="hljs-attribute">encodeVlq</span>: <span class="hljs-function"><span class="hljs-params">(value)</span> -&gt;</span>
+    answer = <span class="hljs-string">''</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-17">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-17">&#182;</a>
+              </div>
+              <p>Least significant bit represents the sign.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    signBit = <span class="hljs-keyword">if</span> value &lt; <span class="hljs-number">0</span> <span class="hljs-keyword">then</span> <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> <span class="hljs-number">0</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>The next bits are the actual value.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    valueToEncode = (Math.abs(value) &lt;&lt; <span class="hljs-number">1</span>) + signBit</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-19">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-19">&#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="hljs-keyword">while</span> valueToEncode <span class="hljs-keyword">or</span> <span class="hljs-keyword">not</span> answer
+      nextChunk = valueToEncode &amp; VLQ_VALUE_MASK
+      valueToEncode = valueToEncode &gt;&gt; VLQ_SHIFT
+      nextChunk |= VLQ_CONTINUATION_BIT <span class="hljs-keyword">if</span> valueToEncode
+      answer += <span class="hljs-property">@encodeBase64</span> nextChunk
+
+    answer</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-20">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-20">&#182;</a>
+              </div>
+              <h2 id="regular-base64-encoding">Regular Base64 Encoding</h2>
+
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-21">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-21">&#182;</a>
+              </div>
+              
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  BASE64_CHARS = <span class="hljs-string">'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'</span>
+
+  <span class="hljs-attribute">encodeBase64</span>: <span class="hljs-function"><span class="hljs-params">(value)</span> -&gt;</span>
+    BASE64_CHARS[value] <span class="hljs-keyword">or</span> <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"Cannot Base64 encode value: <span class="hljs-subst">#{value}</span>"</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-22">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-22">&#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><span class="hljs-built_in">module</span>.<span class="hljs-built_in">exports</span> = SourceMap</pre></div></div>
+            
+        </li>
+        
+    </ul>
+  </div>
+</body>
+</html>

documentation/js/aliases.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var volume, winner;
 
 if (ignition === true) {

documentation/js/array_comprehensions.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var courses, dish, food, foods, i, _i, _j, _k, _len, _len1, _len2, _ref;
 
 _ref = ['toast', 'cheese', 'wine'];

documentation/js/block_comment.js

@@ -1,7 +1,7 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
+
 /*
-CoffeeScript Compiler v1.3.3
+SkinnyMochaHalfCaffScript Compiler v1.0
 Released under the MIT License
-*/
-
+ */
 

documentation/js/cake_tasks.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var fs;
 
 fs = require('fs');

documentation/js/chaining.js

@@ -0,0 +1,4 @@
+// Generated by CoffeeScript 1.8.0
+$('body').click(function(e) {
+  return $('.box').fadeIn('fast').addClass('.active');
+}).css('background', 'white');

documentation/js/classes.js

@@ -1,10 +1,9 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var Animal, Horse, Snake, sam, tom,
   __hasProp = {}.hasOwnProperty,
   __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
 
 Animal = (function() {
-
   function Animal(name) {
     this.name = name;
   }
@@ -18,7 +17,6 @@ Animal = (function() {
 })();
 
 Snake = (function(_super) {
-
   __extends(Snake, _super);
 
   function Snake() {
@@ -35,7 +33,6 @@ Snake = (function(_super) {
 })(Animal);
 
 Horse = (function(_super) {
-
   __extends(Horse, _super);
 
   function Horse() {

documentation/js/comparisons.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var cholesterol, healthy;
 
 cholesterol = 127;

documentation/js/conditionals.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var date, mood;
 
 if (singing) {

documentation/js/constructor_destructuring.js

@@ -0,0 +1,15 @@
+// Generated by CoffeeScript 1.8.0
+var Person, tim;
+
+Person = (function() {
+  function Person(options) {
+    this.name = options.name, this.age = options.age, this.height = options.height;
+  }
+
+  return Person;
+
+})();
+
+tim = new Person({
+  age: 4
+});

documentation/js/default_args.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var fill;
 
 fill = function(container, liquid) {

documentation/js/do.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var filename, _fn, _i, _len;
 
 _fn = function(filename) {

documentation/js/embedded.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var hi;
 
 hi = function() {

documentation/js/existence.js

@@ -1,7 +1,7 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var footprints, solipsism, speed;
 
-if ((typeof mind !== "undefined" && mind !== null) && !(typeof world !== "undefined" && world !== null)) {
+if ((typeof mind !== "undefined" && mind !== null) && (typeof world === "undefined" || world === null)) {
   solipsism = true;
 }
 

documentation/js/expansion.js

@@ -0,0 +1,6 @@
+// Generated by CoffeeScript 1.8.0
+var first, last, text, _ref;
+
+text = "Every literary critic believes he will outwit history and have the last word";
+
+_ref = text.split(" "), first = _ref[0], last = _ref[_ref.length - 1];

documentation/js/expressions.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var eldest, grade;
 
 grade = function(student) {

documentation/js/expressions_assignment.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var one, six, three, two;
 
 six = (one = 1) + (two = 2) + (three = 3);

documentation/js/expressions_comprehension.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var globals, name;
 
 globals = ((function() {

documentation/js/expressions_try.js

@@ -1,9 +1,11 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
+var error;
 
 alert((function() {
   try {
     return nonexistent / void 0;
-  } catch (error) {
+  } catch (_error) {
+    error = _error;
     return "And the error is ... " + error;
   }
 })());

documentation/js/fat_arrow.js

@@ -1,11 +1,12 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var Account;
 
 Account = function(customer, cart) {
-  var _this = this;
   this.customer = customer;
   this.cart = cart;
-  return $('.shopping_cart').bind('click', function(event) {
-    return _this.customer.purchase(_this.cart);
-  });
+  return $('.shopping_cart').bind('click', (function(_this) {
+    return function(event) {
+      return _this.customer.purchase(_this.cart);
+    };
+  })(this));
 };

documentation/js/functions.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var cube, square;
 
 square = function(x) {

documentation/js/heredocs.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var html;
 
 html = "<strong>\n  cup of coffeescript\n</strong>";

documentation/js/heregexes.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var OPERATOR;
 
 OPERATOR = /^(?:[-=]>|[-+*\/%<>&|^!?=]=|>>>=?|([-+:])\1|([&|<>])\2=?|\?\.|\.{2,3})/;

documentation/js/interpolation.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var author, quote, sentence;
 
 author = "Wittgenstein";

documentation/js/multiple_return_values.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var city, forecast, temp, weatherReport, _ref;
 
 weatherReport = function(location) {

documentation/js/object_comprehensions.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var age, ages, child, yearsOld;
 
 yearsOld = {

documentation/js/object_extraction.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var city, futurists, name, street, _ref, _ref1;
 
 futurists = {

documentation/js/objects_and_arrays.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var bitlist, kids, singers, song;
 
 song = ["do", "re", "mi", "fa", "so"];

documentation/js/objects_reserved.js

@@ -1,5 +1,4 @@
-// Generated by CoffeeScript 1.3.3
-
+// Generated by CoffeeScript 1.8.0
 $('.account').attr({
   "class": 'active'
 });

documentation/js/overview.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var cubes, list, math, num, number, opposite, race, square,
   __slice = [].slice;
 

documentation/js/parallel_assignment.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var theBait, theSwitch, _ref;
 
 theBait = 1000;

documentation/js/patterns_and_splats.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var close, contents, open, tag, _i, _ref,
   __slice = [].slice;
 

documentation/js/prototypes.js

@@ -1,5 +1,4 @@
-// Generated by CoffeeScript 1.3.3
-
+// Generated by CoffeeScript 1.8.0
 String.prototype.dasherize = function() {
   return this.replace(/_/g, "-");
 };

documentation/js/range_comprehensions.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var countdown, num;
 
 countdown = (function() {

documentation/js/scope.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var changeNumbers, inner, outer;
 
 outer = 1;

documentation/js/slices.js

@@ -1,12 +1,12 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var copy, end, middle, numbers, start;
 
 numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 
 start = numbers.slice(0, 3);
 
-middle = numbers.slice(3, 6);
+middle = numbers.slice(3, -2);
 
-end = numbers.slice(6);
+end = numbers.slice(-2);
 
 copy = numbers.slice(0);

documentation/js/soaks.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var zip, _ref;
 
 zip = typeof lottery.drawWinner === "function" ? (_ref = lottery.drawWinner().address) != null ? _ref.zipcode : void 0 : void 0;

documentation/js/splats.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var awardMedals, contenders, gold, rest, silver,
   __slice = [].slice;
 

documentation/js/splices.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var numbers, _ref;
 
 numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];

documentation/js/strings.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var mobyDick;
 
 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...";

documentation/js/switch.js

@@ -1,5 +1,4 @@
-// Generated by CoffeeScript 1.3.3
-
+// Generated by CoffeeScript 1.8.0
 switch (day) {
   case "Mon":
     go(work);

documentation/js/switch_with_no_expression.js

@@ -0,0 +1,19 @@
+// Generated by CoffeeScript 1.8.0
+var grade, score;
+
+score = 76;
+
+grade = (function() {
+  switch (false) {
+    case !(score < 60):
+      return 'F';
+    case !(score < 70):
+      return 'D';
+    case !(score < 80):
+      return 'C';
+    case !(score < 90):
+      return 'B';
+    default:
+      return 'A';
+  }
+})();

documentation/js/try.js

@@ -1,9 +1,11 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
+var error;
 
 try {
   allHellBreaksLoose();
   catsAndDogsLivingTogether();
-} catch (error) {
+} catch (_error) {
+  error = _error;
   print(error);
 } finally {
   cleanUp();

documentation/js/while.js

@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.8.0
 var lyrics, num;
 
 if (this.studyingEconomics) {
@@ -16,7 +16,7 @@ lyrics = (function() {
   var _results;
   _results = [];
   while (num -= 1) {
-    _results.push("" + num + " little monkeys, jumping on the bed.    One fell out and bumped his head.");
+    _results.push("" + num + " little monkeys, jumping on the bed. One fell out and bumped his head.");
   }
   return _results;
 })();

examples/blocks.coffee

@@ -8,7 +8,7 @@ get '/hello', ->
 # Append.
 append = (location, data) ->
   path = new Pathname location
-  throw new Error("Location does not exist") unless path.exists()
+  throw new Error "Location does not exist" unless fs.existsSync(location)
 
   File.open path, 'a', (file) ->
     file.console.log YAML.dump data
@@ -31,7 +31,7 @@ File.open = (path, mode, block) ->
 # Write.
 write = (location, data) ->
   path = new Pathname location
-  raise "Location does not exist" unless path.exists()
+  throw new Error "Location does not exist" unless fs.existsSync location
 
   File.open path, 'w', (file) ->
     return false if Digest.MD5.hexdigest(file.read()) is data.hash()

examples/code.coffee

@@ -13,7 +13,7 @@ run_loop = ->
   wait()
 
 # Objects:
-dense_object_literal = {one: 1, two: 2, three: 3}
+dense_object_literal = one: 1, two: 2, three: 3
 
 spaced_out_multiline_object =
   pi: 3.14159
@@ -56,7 +56,7 @@ race = ->
   run()
   walk()
   crawl()
-  if tired then return sleep()
+  return sleep() if tired
   race()
 
 # Conditional assignment:
@@ -64,7 +64,7 @@ good or= evil
 wine and= cheese
 
 # Nested property access and calls.
-((moon.turn(360))).shapes[3].move({x: 45, y: 30}).position['top'].offset('x')
+(moon.turn 360).shapes[3].move(x: 45, y: 30).position['top'].offset('x')
 
 a = b = c = 5
 
@@ -79,7 +79,7 @@ try
   dogs_and_cats_living_together()
   throw "up"
 catch error
-  print(error)
+  print error
 finally
   clean_up()
 
@@ -130,8 +130,8 @@ wednesday = -> eat_breakfast(); go_to_work(); eat_dinner()
 
 # Multiline strings with inner quotes.
 story = "Lorem ipsum dolor \"sit\" amet, consectetuer adipiscing elit,
-sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna
-aliquam erat volutpat. Ut wisi enim ad."
+         sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna
+         aliquam erat volutpat. Ut wisi enim ad."
 
 # Inheritance and calling super.
 class Animal

examples/computer_science/binary_search.coffee

@@ -19,7 +19,7 @@ binary_search = (items, value) ->
 
 
 # Test the function.
-console.log 2 is binary_search [10, 20, 30, 40, 50], 30
-console.log 4 is binary_search [-97, 35, 67, 88, 1200], 1200
-console.log 0 is binary_search [0, 45, 70], 0
-console.log(-1 is binary_search [0, 45, 70], 10)
+console.log  2 is binary_search [10, 20, 30, 40, 50], 30
+console.log  4 is binary_search [-97, 35, 67, 88, 1200], 1200
+console.log  0 is binary_search [0, 45, 70], 0
+console.log -1 is binary_search [0, 45, 70], 10

examples/computer_science/bubble_sort.coffee

@@ -1,8 +1,8 @@
 # A bubble sort implementation, sorting the given array in-place.
 bubble_sort = (list) ->
   for i in [0...list.length]
-    for j in [0...list.length - i]
-      [list[j], list[j+1]] = [list[j+1], list[j]] if list[j] > list[j+1]
+    for j in [0...list.length - i] when list[j] > list[j + 1]
+      [list[j], list[j+1]] = [list[j + 1], list[j]]
   list
 
 

examples/computer_science/linked_list.coffee

@@ -1,8 +1,8 @@
 # "Classic" linked list implementation that doesn't keep track of its size.
 class LinkedList
 
-  ->
-    this._head = null # Pointer to the first item in the list.
+  constructor: ->
+    @_head = null # Pointer to the first item in the list.
 
 
   # Appends some data to the end of the list. This method traverses the existing
@@ -12,10 +12,10 @@ class LinkedList
     # Create a new node object to wrap the data.
     node = data: data, next: null
 
-    current = this._head or= node
+    current = @_head or= node
 
-    if this._head isnt node
-      (current = current.next) while current.next
+    if @_head isnt node
+      current = current.next while current.next
       current.next = node
 
     this
@@ -27,11 +27,11 @@ class LinkedList
     # Check for out-of-bounds values.
     return null if index < 0
 
-    current = this._head or null
+    current = @_head or null
     i = -1
 
     # Advance through the list.
-    (current = current.next) while current and index > (i += 1)
+    current = current.next while current and index > ++i
 
     # Return null if we've reached the end.
     current and current.data
@@ -43,16 +43,16 @@ class LinkedList
     # Check for out-of-bounds values.
     return null if index < 0
 
-    current = this._head or null
+    current = @_head or null
     i = -1
 
     # Special case: removing the first item.
     if index is 0
-      this._head = current.next
+      @_head = current.next
     else
 
       # Find the right location.
-      ([previous, current] = [current, current.next]) while index > (i += 1)
+      [previous, current] = [current, current.next] while index > ++i
 
       # Skip over the item to remove.
       previous.next = current.next
@@ -63,7 +63,7 @@ class LinkedList
 
   # Calculate the number of items in the list.
   size: ->
-    current = this._head
+    current = @_head
     count = 0
 
     while current
@@ -76,7 +76,7 @@ class LinkedList
   # Convert the list into an array.
   toArray: ->
     result  = []
-    current = this._head
+    current = @_head
 
     while current
       result.push current.data
@@ -86,7 +86,7 @@ class LinkedList
 
 
   # The string representation of the linked list.
-  toString: -> this.toArray().toString()
+  toString: -> @toArray().toString()
 
 
 # Tests.

examples/computer_science/luhn_algorithm.coffee

@@ -7,13 +7,13 @@ is_valid_identifier = (identifier) ->
   sum = 0
   alt = false
 
-  for i in [identifier.length - 1..0] by -1
+  for c in identifier by -1
 
     # Get the next digit.
-    num = parseInt identifier.charAt(i), 10
+    num = parseInt c, 10
 
     # If it's not a valid number, abort.
-    return false if isNaN(num)
+    return false if isNaN num
 
     # If it's an alternate number...
     if alt

examples/computer_science/merge_sort.coffee

@@ -3,13 +3,12 @@ merge_sort = (list) ->
 
   return list if list.length is 1
 
-  result  = []
   pivot   = Math.floor list.length / 2
   left    = merge_sort list.slice 0, pivot
   right   = merge_sort list.slice pivot
 
-  while left.length and right.length
-    result.push(if left[0] < right[0] then left.shift() else right.shift())
+  result = while left.length and right.length
+    if left[0] < right[0] then left.shift() else right.shift()
 
   result.concat(left).concat(right)
 

examples/custom_repl.coffee

@@ -0,0 +1,20 @@
+###
+Example of embedding the CoffeeScript REPL, strikingly similar to the Node REPL.
+###
+
+# Require 'coffee-script/repl' to import the repl module
+repl = require '../repl'
+
+console.log 'Custom REPL! Type `sayHi()` to see what it does!'
+
+# Start the REPL with your configuration
+r = repl.start
+  prompt: 'my-repl> '
+
+# Fields added to the context object are exposed as variables in the REPL
+r.context.sayHi = -> console.log 'Hello'
+
+# An exit event is emitted when the user exits the REPL
+r.on 'exit', ->
+  console.log 'Bye!'
+  process.exit()

examples/poignant.coffee

@@ -1,8 +1,11 @@
 # Examples from the Poignant Guide.
+# These are examples of syntax differences between CoffeeScript and Ruby,
+# they won't run.
 
 # ['toast', 'cheese', 'wine'].each { |food| print food.capitalize }
 
-['toast', 'wine', 'cheese'].each (food) -> print food.capitalize()
+print food.capitalize() for food in ['toast', 'wine', 'cheese']
+
 
 
 
@@ -14,10 +17,10 @@
 # end
 
 LotteryTicket =
-  get_picks:      -> @picks
-  set_picks:      (@picks) ->
-  get_purchased:  -> @purchase
-  set_purchased:  (@purchased) ->
+  get_picks:     -> @picks
+  set_picks:     (@picks) ->
+  get_purchased: -> @purchase
+  set_purchased: (@purchased) ->
 
 
 
@@ -42,13 +45,10 @@ LotteryDraw =
   play: ->
     result  = LotteryTicket.new_random()
     winners = {}
-    this.tickets.each (buyer, ticket_list) ->
-      ticket_list.each (ticket) ->
-        score = ticket.score result
-        return if score is 0
-        winners[buyer] or= []
-        winners[buyer].push [ticket, score]
-    this.tickets = {}
+    for buyer, ticketList of @tickets
+      for ticket in ticketList when (score = ticket.score result) isnt 0
+        (winners[buyer] or= []).push [ticket, score]
+    @tickets = {}
     winners
 
 
@@ -64,7 +64,7 @@ LotteryDraw =
 
 WishScanner =
   scan_for_a_wish: ->
-    wish = this.read().detect (thought) -> thought.index('wish: ') is 0
+    wish = @read().detect (thought) -> thought.indexOf('wish: ') is 0
     wish.replace 'wish: ', ''
 
 
@@ -109,28 +109,28 @@ Creature =
 
   # This method applies a hit taken during a fight.
   hit: (damage) ->
-    p_up = Math.rand this.charisma
+    p_up = Math.rand @charisma
     if p_up % 9 is 7
-      this.life += p_up / 4
-      console.log "[" + this.name + " magick powers up " + p_up + "!]"
-    this.life -= damage
-    if this.life <= 0 then console.log "[" + this.name + " has died.]"
+      @life += p_up / 4
+      console.log "[#{@name} magick powers up #{p_up}!]"
+    @life -= damage
+    if @life <= 0 then console.log "[#{@name} has died.]"
 
   # This method takes one turn in a fight.
   fight: (enemy, weapon) ->
-    if this.life <= 0 then return console.log "[" + this.name + "is too dead to fight!]"
+    return console.log "[#{@name} is too dead to fight!]" if @life <= 0
 
     # Attack the opponent.
-    your_hit = Math.rand this.strength + weapon
-    console.log "[You hit with " + your_hit + "points of damage!]"
+    your_hit = Math.rand @strength + weapon
+    console.log "[You hit with #{your_hit}points of damage!]"
     enemy.hit your_hit
 
     # Retaliation.
     console.log enemy
     if enemy.life > 0
       enemy_hit = Math.rand enemy.strength + enemy.weapon
-      console.log "[Your enemy hit with " + enemy_hit + "points of damage!]"
-      this.hit enemy_hit
+      console.log "[Your enemy hit with #{enemy_hit}points of damage!]"
+      @hit enemy_hit
 
 
 
@@ -156,7 +156,7 @@ code_words.each (real, code) -> idea.replace(real, code)
 # Save the jibberish to a new file
 print "File encoded. Please enter a name for this idea: "
 idea_name = gets().strip()
-File.open "idea-" + idea_name + '.txt', 'w', (file) -> file.write idea
+File.open "idea-#{idea_name}.txt", 'w', (file) -> file.write idea
 
 
 
@@ -174,8 +174,8 @@ File.open "idea-" + idea_name + '.txt', 'w', (file) -> file.write idea
 
 wipe_mutterings_from = (sentence) ->
   throw new Error "cannot wipe mutterings" unless sentence.indexOf
-  while sentence.indexOf('(') >= 0
-    open     = sentence.indexOf('(') - 1
-    close    = sentence.indexOf(')') + 1
-    sentence = sentence.slice(0, open) + sentence.slice(close, sentence.length)
+  while '(' in sentence
+    open     = sentence.indexOf('(')
+    close    = sentence.indexOf(')')
+    sentence = "#{sentence[0...open]}#{sentence[close + 1..]}"
     sentence

examples/potion.coffee

@@ -45,7 +45,7 @@ foods[2]
 #   (key, ' is a ', val) join print.
 
 for key, val of {dog: 'canine', cat: 'feline', fox: 'vulpine'}
-  print key + ' is a ' + val
+  print "#{key} is a #{val}"
 
 
 # Person = class: /name, /age, /sex.
@@ -54,7 +54,7 @@ for key, val of {dog: 'canine', cat: 'feline', fox: 'vulpine'}
 
 class Person
   print: ->
-    print 'My name is ' + @name + '.'
+    print "My name is #{@name}."
 
 
 # p = Person ()
@@ -74,7 +74,7 @@ class Policeman extends Person
   (@rank) ->
 
   print: ->
-    print 'My name is ' + @name + " and I'm a " + @rank + '.'
+    print "My name is #{@name} and I'm a #{@rank}."
 
 print new Policeman 'Constable'
 
@@ -180,7 +180,7 @@ if 3.gender?
 #   session = url query ? at ('session').
 
 HomePage::get = (url) ->
-  session = url.query.session if url.query?
+  session = url.query?.session
 
 
 # BTree = class: /left, /right.

examples/web_server.coffee

@@ -7,6 +7,6 @@ server = http.createServer (req, res) ->
   res.write 'Hello, World!'
   res.end()
 
-server.listen 3000
+server.listen PORT = 3000
 
-console.log "Server running at http://localhost:3000/"
+console.log "Server running at http://localhost:#{PORT}/"