CoffeeScript 0.9.2

This reverts commit e7834de929.

.gitignore

@@ -1,3 +1,4 @@
+raw
 presentation
 test.coffee
 parser.output

Cakefile

@@ -1,57 +1,119 @@
-fs: require 'fs'
-coffee: require 'coffee-script'
+fs            = require 'fs'
+{helpers}     = require './lib/helpers'
+CoffeeScript  = require './lib/coffee-script'
+{spawn, exec} = require 'child_process'
+
+# ANSI Terminal Colors.
+red   = '\033[0;31m'
+green = '\033[0;32m'
+reset = '\033[0m'
 
 # Run a CoffeeScript through our node/coffee interpreter.
-run: (args) ->
-  proc: process.createChildProcess 'bin/coffee', args
-  proc.addListener 'error', (err) -> if err then puts err
+run = (args) ->
+  proc =         spawn 'bin/coffee', args
+  proc.stderr.on 'data', (buffer) -> puts buffer.toString()
+  proc.on        'exit', (status) -> process.exit(1) if status != 0
 
+# Log a message with a color.
+log = (message, color, explanation) ->
+  puts color + message + reset + ' ' + (explanation or '')
 
-task 'install', 'install CoffeeScript into /usr/local', ->
+option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
+
+task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
+  base = options.prefix or '/usr/local'
+  lib  = "#{base}/lib/coffee-script"
+  bin  = "#{base}/bin"
+  node = "~/.node_libraries/coffee-script"
+  puts   "Installing CoffeeScript to #{lib}"
+  puts   "Linking to #{node}"
+  puts   "Linking 'coffee' to #{bin}/coffee"
   exec([
-    'mkdir -p /usr/local/lib/coffee-script'
-    'cp -rf bin lib LICENSE README package.json src vendor /usr/local/lib/coffee-script'
-    'ln -sf /usr/local/lib/coffee-script/lib/bin/coffee /usr/local/bin/coffee'
-    'ln -sf /usr/local/lib/coffee-script/lib/bin/cake /usr/local/bin/cake'
-  ].join(' && '))
+    "mkdir -p #{lib} #{bin}"
+    "cp -rf bin lib LICENSE README package.json src #{lib}"
+    "ln -sf #{lib}/bin/coffee #{bin}/coffee"
+    "ln -sf #{lib}/bin/cake #{bin}/cake"
+    "mkdir -p ~/.node_libraries"
+    "ln -sf #{lib}/lib #{node}"
+  ].join(' && '), (err, stdout, stderr) ->
+    if err then print stderr else log 'done', green
+  )
 
 
 task 'build', 'build the CoffeeScript language from source', ->
-  fs.readdir 'src', (err, files) ->
-    files: 'src/' + file for file in files when file.match(/\.coffee$/)
-    run ['-o', 'lib'].concat(files)
+  files = fs.readdirSync 'src'
+  files = 'src/' + file for file in files when file.match(/\.coffee$/)
+  run ['-c', '-o', 'lib'].concat(files)
+
+
+task 'build:full', 'rebuild the source twice, and run the tests', ->
+  exec 'bin/cake build && bin/cake build && bin/cake test', (err, stdout, stderr) ->
+    print stdout if stdout
+    print stderr if stderr
+    throw err    if err
 
 
 task 'build:parser', 'rebuild the Jison parser (run build first)', ->
-  parser: require('grammar').parser
-  js: parser.generate()
-  parser_path: 'lib/parser.js'
-  fs.writeFile parser_path, js
+  require 'jison'
+  parser = require('./lib/grammar').parser
+  js = parser.generate()
+  parserPath = 'lib/parser.js'
+  fs.writeFile parserPath, js
 
 
 task 'build:ultraviolet', 'build and install the Ultraviolet syntax highlighter', ->
-  exec('plist2syntax extras/CoffeeScript.tmbundle/Syntaxes/CoffeeScript.tmLanguage').addCallback ->
+  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:underscore', 'rebuild the Underscore.coffee documentation page', ->
-  exec 'uv -s coffeescript -t idle -h examples/underscore.coffee > documentation/underscore.html'
+task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
+  exec 'rake browser', (err) ->
+    throw err if err
+
+
+task 'doc:site', 'watch and continually rebuild the documentation for the website', ->
+  exec 'rake doc'
+
+
+task 'doc:source', 'rebuild the internal documentation', ->
+  exec 'docco src/*.coffee && cp -rf docs documentation && rm -r docs', (err) ->
+    throw err if err
+
+
+task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
+  exec 'docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
+    throw err if err
+
+
+task 'loc', 'count the lines of source code in the CoffeeScript compiler', ->
+  sources = ['src/coffee-script.coffee', 'src/grammar.coffee', 'src/helpers.coffee', 'src/lexer.coffee', 'src/nodes.coffee', 'src/rewriter.coffee', 'src/scope.coffee']
+  exec "cat #{ sources.join(' ') } | grep -v '^\\( *#\\|\\s*$\\)' | wc -l | tr -s ' '", (err, stdout) ->
+    print stdout
 
 
 task 'test', 'run the CoffeeScript language test suite', ->
-  process.mixin require 'assert'
-  test_count: 0
-  start_time: new Date()
-  [original_ok, original_throws]: [ok, throws]
-  process.mixin {
-    ok:     (args...) -> test_count += 1; original_ok(args...)
-    throws: (args...) -> test_count += 1; original_throws(args...)
-  }
-  process.addListener 'exit', ->
-    time: ((new Date() - start_time) / 1000).toFixed(2)
-    puts '\033[0;32mpassed ' + test_count + ' tests in ' + time + ' seconds\033[0m'
+  helpers.extend global, require 'assert'
+  passedTests = failedTests = 0
+  startTime   = new Date
+  originalOk  = ok
+  helpers.extend global,
+    ok: (args...) -> passedTests += 1; originalOk(args...)
+    CoffeeScript: CoffeeScript
+  process.on 'exit', ->
+    time = ((new Date - startTime) / 1000).toFixed(2)
+    message = "passed #{passedTests} tests in #{time} seconds#{reset}"
+    if failedTests
+      log "failed #{failedTests} and #{message}", red
+    else
+      log message, green
   fs.readdir 'test', (err, files) ->
-    for file in files
-      fs.readFile 'test/' + file, (err, source) ->
-        js: coffee.compile source
-        process.compile js, file
+    files.forEach (file) ->
+      return unless file.match(/\.coffee$/i)
+      fileName = path.join 'test', file
+      fs.readFile fileName, (err, code) ->
+        try
+          CoffeeScript.run code.toString(), {fileName}
+        catch err
+          failedTests += 1
+          log "failed #{fileName}", red, '\n' + err.stack.toString()

README

@@ -25,6 +25,9 @@
   Install Node.js, and then the CoffeeScript compiler:
   sudo bin/cake install
   
+  Or, if you have the Node Package Manager installed:
+  sudo npm install coffee-script
+  
   Compile a script:
   coffee /path/to/script.coffee
   
@@ -34,8 +37,31 @@
   To suggest a feature, report a bug, or general discussion:
   http://github.com/jashkenas/coffee-script/issues/
   
-  If you'd like to chat, drop by #coffeescript on Freenode.
+  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
-
+  
+  
+  Contributors:
+  
+  Stan Angeloff (StanAngeloff)
+  Jeremy Ashkenas (jashkenas)
+  Zach Carter (zaach)
+  Tim Cuthbertson (gfxmonk)
+  Mathieu D'Amours (matehat)
+  Chris Hoffman (cehoffman)
+  Jason Huggins (hugs)
+  Timothy Jones (Tesco)
+  Chris Lloyd (chrislloyd)
+  Matt Lyon (mattly)
+  Satoshi Murakami (satyr)
+  Jeff Olson (olsonjeffery)
+  Nathan Ostgard (noonat)
+  Samuel Reis (grgh)
+  Tom Robinson (tlrobinson)
+  Tim Smart (Tim-Smart)
+  Sam Stephenson (sstephenson)
+  Dr. Nic Williams (drnic)
+  

Rakefile

@@ -1,11 +1,23 @@
 require 'erb'
 require 'fileutils'
 require 'rake/testtask'
+require 'rubygems'
+require 'yui/compressor'
+
+HEADER = <<-EOS
+/**
+ * CoffeeScript Compiler v0.9.2
+ * http://coffeescript.org
+ *
+ * Copyright 2010, Jeremy Ashkenas
+ * Released under the MIT License
+ */
+EOS
 
 desc "Build the documentation page"
 task :doc do
   source = 'documentation/index.html.erb'
-  child = fork { exec "bin/coffee documentation/coffee/*.coffee -o documentation/js -w" }
+  child = fork { exec "bin/coffee --no-wrap -cw -o documentation/js documentation/coffee/*.coffee" }
   at_exit { Process.kill("INT", child) }
   Signal.trap("INT") { exit }
   loop do
@@ -18,3 +30,12 @@ task :doc do
     sleep 1
   end
 end
+
+desc "Build the single concatenated and minified script for the browser"
+task :browser do
+  sources = %w(helpers.js rewriter.js lexer.js parser.js scope.js nodes.js coffee-script.js)
+  code    = sources.map {|s| File.read('lib/' + s) }.join('')
+  code    = YUI::JavaScriptCompressor.new.compress(code)
+  File.open('extras/coffee-script.js', 'w+') {|f| f.write(HEADER + code) }
+end
+

bin/cake

@@ -1,7 +1,8 @@
 #!/usr/bin/env node
 
-process.mixin(require('sys'));
+var path = require('path');
+var fs = require('fs');
+var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require.paths.unshift('./lib');
-
-require('cake').run();
+require(lib + '/helpers').helpers.extend(global, require('sys'));
+require(lib + '/cake').run();

bin/coffee

@@ -1,7 +1,8 @@
 #!/usr/bin/env node
 
-process.mixin(require('sys'));
+var path = require('path');
+var fs = require('fs');
+var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require.paths.unshift('./lib');
-
-require('command_line').run();
+require(lib + '/helpers').helpers.extend(global, require('sys'));
+require(lib + '/command').run();

documentation/coffee/aliases.coffee

@@ -1,9 +1,11 @@
 launch() if ignition is on
 
-volume: 10 if band isnt spinal_tap
+volume = 10 if band isnt SpinalTap
 
-let_the_wild_rumpus_begin() unless answer is no
+letTheWildRumpusBegin() unless answer is no
 
-if car.speed < speed_limit then accelerate()
+if car.speed < limit then accelerate()
 
-print "My name is " + @name
+winner = yes if pick in [47, 92, 13]
+
+print inspect "My name is " + @name

documentation/coffee/arguments.coffee

@@ -1,4 +0,0 @@
-backwards: ->
-  alert arguments.reverse()
-
-backwards "stairway", "to", "heaven"

documentation/coffee/array_comprehensions.coffee

@@ -1,5 +1,5 @@
 # Eat lunch.
-lunch: eat(food) for food in ['toast', 'cheese', 'wine']
+lunch = eat food for food in ['toast', 'cheese', 'wine']
 
 # Naive collision detection.
 for roid in asteroids

documentation/coffee/assignment.coffee

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

documentation/coffee/block_comment.coffee

@@ -0,0 +1,4 @@
+###
+CoffeeScript Compiler v0.9.2
+Released under the MIT License
+###

documentation/coffee/cake_tasks.coffee

@@ -1,5 +1,9 @@
-process.mixin require 'assert'
+fs = require 'fs'
 
-task 'test', 'run each of the unit tests', ->
-  for test in test_files
-    fs.readFile test, (err, code) -> eval coffee.compile code
+option '-o', '--output [DIR]', 'directory for compiled code'
+
+task 'build:parser', 'rebuild the Jison parser', (options) ->
+  require 'jison'
+  code = require('./lib/grammar').parser.generate()
+  dir  = options.output or 'lib'
+  fs.writeFile "#{dir}/parser.js", code

documentation/coffee/classes.coffee

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

documentation/coffee/comparisons.coffee

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

documentation/coffee/conditionals.coffee

@@ -1,9 +1,11 @@
-mood: greatly_improved if singing
+mood = greatlyImproved if singing
 
-if happy and knows_it
-  claps_hands()
-  cha_cha_cha()
+if happy and knowsIt
+  clapsHands()
+  chaChaCha()
+else
+  showIt()
 
-date: if friday then sue else jill
+date = if friday then sue else jill
 
-expensive ||= do_the_math()
+options or= defaults

documentation/coffee/embedded.coffee

@@ -1,4 +1,4 @@
-hi: `function() {
+hi = `function() {
   return [document.title, "Hello JavaScript"].join(": ");
 }`
 

documentation/coffee/existence.coffee

@@ -1,4 +1,4 @@
-solipsism: true if mind? and not world?
+solipsism = true if mind? and not world?
 
 speed ?= 140
 

documentation/coffee/expressions.coffee

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

documentation/coffee/expressions_assignment.coffee

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

documentation/coffee/expressions_comprehension.coffee

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

documentation/coffee/fat_arrow.coffee

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

documentation/coffee/functions.coffee

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

documentation/coffee/heredocs.coffee

@@ -1,5 +1,5 @@
-html: '''
-      <strong>
-        cup of coffeescript
-      </strong>
-      '''
+html = '''
+       <strong>
+         cup of coffeescript
+       </strong>
+       '''

documentation/coffee/interpolation.coffee

@@ -0,0 +1,2 @@
+author = "Wittgenstein"
+quote  = "A picture is a fact. -- #{author}"

documentation/coffee/interpolation_expression.coffee

@@ -0,0 +1,6 @@
+sentence = "#{ 22 / 7 } is a decent approximation of π"
+
+sep   = "[.\\/\\- ]"
+dates = /\d+#{sep}\d+#{sep}\d+/g
+
+

documentation/coffee/multiple_return_values.coffee

@@ -1,5 +1,5 @@
-weather_report: (location) ->
+weatherReport = (location) ->
   # Make an Ajax request to fetch the weather...
   [location, 72, "Mostly Sunny"]
 
-[city, temp, forecast]: weather_report "Berkeley, CA"
+[city, temp, forecast] = weatherReport "Berkeley, CA"

documentation/coffee/object_comprehensions.coffee

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

documentation/coffee/object_extraction.coffee

@@ -1,13 +1,11 @@
-futurists: {
+futurists =
   sculptor: "Umberto Boccioni"
   painter:  "Vladimir Burliuk"
-  poet: {
+  poet:
     name:   "F.T. Marinetti"
     address: [
       "Via Roma 42R"
       "Bellagio, Italy 22021"
     ]
-  }
-}
 
-{poet: {name: poet, address: [street, city]}}: futurists
+{poet: {name, address: [street, city]}} = futurists

documentation/coffee/objects_and_arrays.coffee

@@ -1,13 +1,17 @@
-song: ["do", "re", "mi", "fa", "so"]
+song = ["do", "re", "mi", "fa", "so"]
 
-ages: {
-  max: 10
-  ida: 9
-  tim: 11
-}
+singers = {Jagger: "Rock", Elvis: "Roll"}
 
-matrix: [
+matrix = [
   1, 0, 1
   0, 0, 1
   1, 1, 0
-]
+]
+
+kids =
+  brother:
+    name: "Max"
+    age:  11
+  sister:
+    name: "Ida"
+    age:  9

documentation/coffee/objects_reserved.coffee

@@ -0,0 +1 @@
+$('.account').css class: 'active'

documentation/coffee/overview.coffee

@@ -1,29 +1,28 @@
 # Assignment:
-number: 42
-opposite_day: true
+number   = 42
+opposite = true
 
 # Conditions:
-number: -42 if opposite_day
+number = -42 if opposite
 
 # Functions:
-square: (x) -> x * x
+square = (x) -> x * x
 
 # Arrays:
-list: [1, 2, 3, 4, 5]
+list = [1, 2, 3, 4, 5]
 
 # Objects:
-math: {
+math =
   root:   Math.sqrt
   square: square
   cube:   (x) -> x * square x
-}
 
 # Splats:
-race: (winner, runners...) ->
+race = (winner, runners...) ->
   print winner, runners
 
 # Existence:
 alert "I knew it!" if elvis?
 
 # Array comprehensions:
-cubed_list: math.cube num for num in list
+cubes = math.cube num for num in list

documentation/coffee/parallel_assignment.coffee

@@ -1,4 +1,4 @@
-bait: 1000
-and_switch: 0
+theBait   = 1000
+theSwitch = 0
 
-[bait, and_switch]: [and_switch, bait]
+[theBait, theSwitch] = [theSwitch, theBait]

documentation/coffee/patterns_and_splats.coffee

@@ -0,0 +1,7 @@
+tag = "<impossible>"
+
+[open, contents..., close] = tag.split("")
+
+
+
+

documentation/coffee/prototypes.coffee

@@ -0,0 +1,2 @@
+String::dasherize = ->
+  this.replace /_/g, "-"

documentation/coffee/range_comprehensions.coffee

@@ -1,6 +1,6 @@
-countdown: num for num in [10..1]
+countdown = num for num in [10..1]
 
-egg_delivery: ->
+deliverEggs = ->
   for i in [0...eggs.length] by 12
-    dozen_eggs: eggs[i...i+12]
-    deliver new egg_carton(dozen)
+    dozen = eggs[i...i+12]
+    deliver new eggCarton dozen

documentation/coffee/scope.coffee

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

documentation/coffee/slices.coffee

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

documentation/coffee/soaks.coffee

@@ -1 +1 @@
-lottery.draw_winner()?.address?.zipcode
+lottery.drawWinner()?.address?.zipcode

documentation/coffee/splats.coffee

@@ -1,11 +1,11 @@
-gold: silver: the_field: "unknown"
+gold = silver = rest = "unknown"
 
-award_medals: (first, second, rest...) ->
-  gold:       first
-  silver:     second
-  the_field:  rest
+awardMedals = (first, second, others...) ->
+  gold   = first
+  silver = second
+  rest   = others
 
-contenders: [
+contenders = [
   "Michael Phelps"
   "Liu Xiang"
   "Yao Ming"
@@ -18,8 +18,8 @@ contenders: [
   "Usain Bolt"
 ]
 
-award_medals contenders...
+awardMedals contenders...
 
 alert "Gold: " + gold
 alert "Silver: " + silver
-alert "The Field: " + the_field
+alert "The Field: " + rest

documentation/coffee/splices.coffee

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

documentation/coffee/strings.coffee

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

@@ -1,34 +0,0 @@
-Animal: ->
-
-Animal::move: (meters) ->
-  alert @name + " moved " + meters + "m."
-
-Snake: (name) ->
-  @name: name
-  this
-
-Snake extends Animal
-
-Snake::move: ->
-  alert "Slithering..."
-  super 5
-
-Horse: (name) ->
-  @name: name
-  this
-
-Horse extends Animal
-
-Horse::move: ->
-  alert "Galloping..."
-  super 45
-
-sam: new Snake "Sammy the Python"
-tom: new Horse "Tommy the Palomino"
-
-sam.move()
-tom.move()
-
-
-
-

documentation/coffee/switch.coffee

@@ -1,10 +1,10 @@
 switch day
-  when "Mon" then go_to_work()
-  when "Tue" then go_to_the_park()
-  when "Thu" then go_ice_fishing()
+  when "Mon" then goToWork()
+  when "Tue" then goToThePark()
+  when "Thu" then goIceFishing()
   when "Fri", "Sat"
-    if day is bingo_day
-      go_to_bingo()
-      go_dancing()
-  when "Sun" then go_to_church()
-  else go_to_work()
+    if day is bingoDay
+      goToBingo()
+      goDancing()
+  when "Sun" then goToChurch()
+  else goToWork()

documentation/coffee/try.coffee

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

documentation/coffee/while.coffee

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

documentation/css/docs.css

@@ -1,21 +1,21 @@
 body {
-  font-size: 14px;
+  font-size: 13px;
   line-height: 20px;
   color: #191933;
-  font-family: Arial, Helvetica, sans-serif;
+  font-family: "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, sans-serif !important;
 }
 div.container {
   width: 950px;
   margin: 100px 0 50px 50px;
 }
-p {
+p, li {
   width: 625px;
 }
 a {
   color: #000055;
 }
 h1, h2, h3, h4, h5, h6 {
-  margin-top: 40px;
+  margin-top: 50px;
 }
 br.clear {
   height: 0;
@@ -63,6 +63,11 @@ code, pre, tt, textarea {
     padding: 3px 0 3px 12px;
     font-size: 12px;
   }
+    pre.no_bar {
+      border-left: 0;
+      margin-left: 0;
+      padding-left: 0;
+    }
 div.code {
   position: relative;
   border: 1px solid #cacaca;
@@ -100,54 +105,78 @@ div.code {
   position: fixed;
   z-index: 100;
   height: 50px;
+  min-width: 490px;
   left: 40px; right: 40px; top: 25px;
   background: #ddd;
   padding-left: 235px;
   background: -webkit-gradient(linear, left top, left bottom, from(#f5f5f5), to(#d0d0d0));
   background: -moz-linear-gradient(top, #f5f5f5, #d0d0d0);
   filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr='#F5F5F5', EndColorStr='#D0D0D0');
+  border: 1px solid #aaa;
   -webkit-border-radius: 20px; -moz-border-radius: 20px; border-radius: 20px;
-  -webkit-box-shadow: 0 0 25px #777; -moz-box-shadow: 0 0 25px #777;
+  -webkit-box-shadow: 0 0 7px #aaa; -moz-box-shadow: 0 0 7px #aaa;
 }
   #logo {
     display: block;
     width: 215px; height: 50px;
-    background: url('logo.png');
+    background: url('../images/logo.png');
     position: absolute;
     top: 0px; left: 10px;
   }
+  #error {
+    position: absolute;
+    -webkit-border-radius: 6px; -moz-border-radius: 6px; border-radius: 6px;
+    right: 15px; top: 15px; left: 722px;
+    height: 15px;
+    padding: 2px 5px;
+    background: #fdcdcc;
+    color: #864544;
+    border: 1px solid #864544;
+    font-size: 10px;
+    line-height: 15px;
+    overflow: hidden;
+    text-transform: uppercase;
+  }
   .navigation {
     height: 50px;
-    font: bold 11px/50px Arial;
+    font-size: 11px;
+    line-height: 50px;
     text-transform: uppercase;
     position: relative;
     float: left;
     padding: 0 20px;
     border: 1px solid #bbb;
-    border-top: 0; border-bottom: 0;
+    border-top: 0; border-bottom: 0; border-left-width: 0;
     cursor: pointer;
   }
-    .navigation.try {
-      border-left: 0;
+    body.full_screen .navigation {
+      position: static;
     }
-    .navigation:hover {
+    .navigation.toc {
+      border-left-width: 1px;
+    }
+    .navigation:hover,
+    .navigation.active {
       background: #d0d0d0;
       background: -webkit-gradient(linear, left top, left bottom, from(#f0f0f0), to(#c0c0c0));
       background: -moz-linear-gradient(top, #f0f0f0, #c0c0c0);
       filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr='#F0F0F0', EndColorStr='#C0C0C0');
     }
+    .navigation .button {
+      font-weight: bold;
+    }
     .navigation .contents {
       display: none;
       position: absolute;
       background: #fff;
-      top: 50px; left: 0;
+      top: 51px; left: 0;
       padding: 5px 0;
       -webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px;
       -webkit-border-top-left-radius: 0; -moz-border-radius-topleft: 0;
       -webkit-border-top-right-radius: 0; -moz-border-radius-topright: 0;
-      -webkit-box-shadow: 0 0 25px #777; -moz-box-shadow: 0 0 25px #777;
+      -webkit-box-shadow: 0 5px 10px #999; -moz-box-shadow: 0 5px 10px #999;
     }
-      .navigation:hover .contents {
+      .navigation.active .contents {
         display: block;
       }
         .navigation .contents.repl_wrapper {
@@ -155,20 +184,36 @@ div.code {
           width: 700px;
           padding: 0;
         }
+          body.full_screen .navigation .contents.repl_wrapper {
+            position: fixed;
+            width: auto; height: auto;
+            left: 60px; top: 75px; right: 60px; bottom: 30px;
+          }
           .navigation .contents.repl_wrapper .code {
             -webkit-box-shadow: none; -moz-box-shadow: none;
             background: transparent;
             border: 0;
+            position: static;
           }
+            body.full_screen .navigation .contents.repl_wrapper .code {
+              height: 100%;
+              padding: 0; margin: 0;
+            }
           .navigation .code button {
             bottom: 10px;
+            text-transform: none;
           }
-          .navigation .compile {
-            left: 240px; right: auto;
+          .navigation .full_screen, .navigation .minimize {
+            right: auto;
+            left: 10px;
+            display: none;
           }
+            body.minimized .full_screen, body.full_screen .minimize {
+              display: inline;
+            }
       .navigation .contents a {
         display: block;
-        width: 300px;
+        width: 290px;
         text-transform: none;
         text-decoration: none;
         font-weight: normal;
@@ -189,19 +234,40 @@ div.code {
 
 #repl_source, #repl_results {
   background: transparent;
+  outline: none;
+  margin: 5px 0 20px;
 }
-  #repl_source {
-    border: 0;
-    padding: 5px 7px;
+  #repl_source_wrap {
     margin-left: 5px;
-    min-height: 250px;
-    resize: none;
-    width: 295px;
+    height: 250px;
+    width: 307px;
+    position: relative;
+    float: left;
   }
+    #repl_source {
+      width: 96%;
+      height: 100%;
+      border: 0;
+      resize: none;
+    }
   #repl_results {
     font-family: Monaco, Consolas, "Lucida Console", monospace;
     text-transform: none;
     font-weight: normal;
-    min-height: 260px;
-    width: 355px;
-  }
+    height: 260px;
+    margin-bottom: 25px;
+    overflow-y: auto;
+    width: 370px;
+  }
+    body.full_screen #repl_results, body.full_screen #repl_source_wrap {
+      width: auto; height: auto;
+      position: absolute;
+      margin-bottom: 0;
+      top: 10px; left: 10px; right: 10px; bottom: 40px;
+    }
+      body.full_screen #repl_source_wrap {
+        right: 50%;
+      }
+      body.full_screen #repl_results {
+        left: 50%;
+      }

documentation/css/idle.css

@@ -57,6 +57,7 @@ pre.idle .FunctionName {
    color: #21439C;
 }
 pre.idle .Variable {
+  color: #A535AE;
 }
 pre.idle .Comment {
    color: #919191;

documentation/docs/cake.html

@@ -0,0 +1,43 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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="octowrap">                 <a class="octothorpe" href="#section-2">#</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="p">(</span><span class="s1">&#39;./helpers&#39;</span><span class="p">).</span><span class="nx">helpers</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="octowrap">                 <a class="octothorpe" href="#section-3">#</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="octowrap">                 <a class="octothorpe" href="#section-4">#</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="octowrap">                 <a class="octothorpe" href="#section-5">#</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="nx">task</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> <span class="o">-&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="octowrap">                 <a class="octothorpe" href="#section-6">#</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="nx">option</span><span class="o">:</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> <span class="o">-&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="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>Invoke another task in the current Cakefile.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">invoke</span><span class="o">:</span> <span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-&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="octowrap">                 <a class="octothorpe" href="#section-8">#</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.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.run = </span><span class="o">-&gt;</span>
+  <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span> <span class="s1">&#39;Cakefile&#39;</span><span class="p">,</span> <span class="p">(</span><span class="nx">exists</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s2">&quot;Cakefile not found in #{process.cwd()}&quot;</span><span class="p">)</span> <span class="nx">unless</span> <span class="nx">exists</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">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">.</span><span class="nx">length</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="nx">fileName</span><span class="o">:</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="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="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="octowrap">                 <a class="octothorpe" href="#section-9">#</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="nx">puts</span> <span class="s1">&#39;&#39;</span>
+  <span class="k">for</span> <span class="nx">all</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="p">(</span><span class="s1">&#39; &#39;</span> <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">spaces</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">puts</span> <span class="s2">&quot;cake #{name}#{spaces} #{desc}&quot;</span>
+  <span class="nx">puts</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="octowrap">                 <a class="octothorpe" href="#section-10">#</a>               </div>               <p>Print an error and exit when attempting to all an undefined task.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">missingTask = </span><span class="p">(</span><span class="nx">task</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">puts</span> <span class="s2">&quot;No such task: \&quot;#{task}\&quot;&quot;</span>
+  <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/coffee-script.html

@@ -0,0 +1,72 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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
+contains the main entry functions for tokenzing, 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></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>Set up dependencies correctly for both the server and the browser.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">if</span> <span class="nx">process</span><span class="o">?</span>
+  <span class="nv">path    = </span><span class="nx">require</span> <span class="s1">&#39;path&#39;</span>
+  <span class="nv">Lexer   = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;./lexer&#39;</span><span class="p">).</span><span class="nx">Lexer</span>
+  <span class="nv">parser  = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;./parser&#39;</span><span class="p">).</span><span class="nx">parser</span>
+  <span class="nv">helpers = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;./helpers&#39;</span><span class="p">).</span><span class="nx">helpers</span>
+  <span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">global</span><span class="p">,</span> <span class="nx">require</span> <span class="s1">&#39;./nodes&#39;</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="p">(</span><span class="nx">content</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">compile</span> <span class="nx">content</span>
+<span class="k">else</span>
+  <span class="k">this</span><span class="p">.</span><span class="nv">exports = </span><span class="k">this</span><span class="p">.</span><span class="nv">CoffeeScript = </span><span class="p">{}</span>
+  <span class="nv">Lexer        = </span><span class="k">this</span><span class="p">.</span><span class="nx">Lexer</span>
+  <span class="nv">parser       = </span><span class="k">this</span><span class="p">.</span><span class="nx">parser</span>
+  <span class="nv">helpers      = </span><span class="k">this</span><span class="p">.</span><span class="nx">helpers</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</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;0.9.2&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</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-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</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="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">options</span> <span class="o">or=</span> <span class="p">{}</span>
+  <span class="k">try</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">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></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</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="p">(</span><span class="nx">code</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">code</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>Tokenize and parse a string of CoffeeScript code, and return the AST. You can
+then compile it by calling <code>.compile()</code> on the root, or traverse it by using
+<code>.traverse()</code> with a callback.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.nodes = </span><span class="p">(</span><span class="nx">code</span><span class="p">)</span> <span class="o">-&gt;</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></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</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="p">((</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">module.filename = __filename = </span><span class="nx">options</span><span class="p">.</span><span class="nx">fileName</span>
+  <span class="nv">__dirname = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">__filename</span>
+  <span class="nb">eval</span> <span class="nx">exports</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-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</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="nx">lex</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nv">token = </span><span class="nx">@tokens</span><span class="p">[</span><span class="nx">@pos</span><span class="p">]</span> <span class="o">or</span> <span class="p">[</span><span class="s2">&quot;&quot;</span><span class="p">]</span>
+    <span class="nx">@pos</span> <span class="o">+=</span> <span class="mi">1</span>
+    <span class="k">this</span><span class="p">.</span><span class="nv">yylineno = </span><span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
+    <span class="k">this</span><span class="p">.</span><span class="nv">yytext   = </span><span class="nx">token</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+    <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+  <span class="nx">setInput</span><span class="o">:</span> <span class="p">(</span><span class="nx">tokens</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="vi">@tokens = </span><span class="nx">tokens</span>
+    <span class="vi">@pos    = </span><span class="mi">0</span>
+  <span class="nx">upcomingInput</span><span class="o">:</span> <span class="o">-&gt;</span> <span class="s2">&quot;&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</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="k">if</span> <span class="nb">document</span><span class="o">?</span><span class="p">.</span><span class="nx">getElementsByTagName</span>
+  <span class="nv">grind = </span><span class="p">(</span><span class="nx">coffee</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">setTimeout</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">coffee</span>
+  <span class="nv">grindRemote = </span><span class="p">(</span><span class="nx">url</span><span class="p">)</span> <span class="o">-&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="nx">grind</span> <span class="nx">xhr</span><span class="p">.</span><span class="nx">responseText</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="nx">xhr</span><span class="p">.</span><span class="nx">send</span> <span class="kc">null</span>
+  <span class="nv">processScripts = </span><span class="o">-&gt;</span>
+    <span class="k">for</span> <span class="nx">script</span> <span class="k">in</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementsByTagName</span> <span class="s1">&#39;script&#39;</span>
+      <span class="k">if</span> <span class="nx">script</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">grindRemote</span> <span class="nx">script</span><span class="p">.</span><span class="nx">src</span>
+        <span class="k">else</span>
+          <span class="nx">grind</span> <span class="nx">script</span><span class="p">.</span><span class="nx">innerHTML</span>
+    <span class="kc">null</span>
+  <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">processScripts</span><span class="p">,</span> <span class="kc">false</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">processScripts</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/command.html

@@ -0,0 +1,146 @@
+<!DOCTYPE html>  <html> <head>   <title>command.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="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>               command.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-1">#</a>               </div>               <p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
+into various forms: saved into <code>.js</code> files or printed to stdout, piped to
+<a href="http://javascriptlint.com/">JSLint</a> or recompiled every time the source is
+saved, printed as a token stream or as the syntax tree, or launch an
+interactive REPL.</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-2">#</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">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>
+<span class="p">{</span><span class="nx">helpers</span><span class="p">}</span>      <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;./helpers&#39;</span>
+<span class="p">{</span><span class="nx">spawn</span><span class="p">,</span> <span class="nx">exec</span><span class="p">}</span>  <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;child_process&#39;</span>
+<span class="p">{</span><span class="nx">EventEmitter</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s1">&#39;events&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>Allow CoffeeScript to emit Node.js events, and add it to global scope.</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">CoffeeScript</span><span class="p">,</span> <span class="k">new</span> <span class="nx">EventEmitter</span>
+<span class="nv">global.CoffeeScript = </span><span class="nx">CoffeeScript</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>The help banner that is printed when <code>coffee</code> is called without arguments.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">BANNER = </span><span class="s1">&#39;&#39;&#39;</span>
+<span class="s1">  coffee compiles CoffeeScript source files into JavaScript.</span>
+
+<span class="s1">  Usage:</span>
+<span class="s1">    coffee path/to/script.coffee</span>
+<span class="s1">         &#39;&#39;&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</a>               </div>               <p>The list of all the valid option flags that <code>coffee</code> knows how to handle.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">SWITCHES = </span><span class="p">[</span>
+  <span class="p">[</span><span class="s1">&#39;-c&#39;</span><span class="p">,</span> <span class="s1">&#39;--compile&#39;</span><span class="p">,</span>         <span class="s1">&#39;compile to JavaScript and save as .js files&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-i&#39;</span><span class="p">,</span> <span class="s1">&#39;--interactive&#39;</span><span class="p">,</span>     <span class="s1">&#39;run an interactive CoffeeScript REPL&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-o&#39;</span><span class="p">,</span> <span class="s1">&#39;--output [DIR]&#39;</span><span class="p">,</span>    <span class="s1">&#39;set the directory for compiled JavaScript&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-w&#39;</span><span class="p">,</span> <span class="s1">&#39;--watch&#39;</span><span class="p">,</span>           <span class="s1">&#39;watch scripts for changes, and recompile&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-p&#39;</span><span class="p">,</span> <span class="s1">&#39;--print&#39;</span><span class="p">,</span>           <span class="s1">&#39;print the compiled JavaScript to stdout&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-l&#39;</span><span class="p">,</span> <span class="s1">&#39;--lint&#39;</span><span class="p">,</span>            <span class="s1">&#39;pipe the compiled JavaScript through JSLint&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-s&#39;</span><span class="p">,</span> <span class="s1">&#39;--stdio&#39;</span><span class="p">,</span>           <span class="s1">&#39;listen for and compile scripts over stdio&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-e&#39;</span><span class="p">,</span> <span class="s1">&#39;--eval&#39;</span><span class="p">,</span>            <span class="s1">&#39;compile a string from the command line&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-r&#39;</span><span class="p">,</span> <span class="s1">&#39;--require [FILE*]&#39;</span><span class="p">,</span> <span class="s1">&#39;require a library before executing your script&#39;</span><span class="p">]</span>
+  <span class="p">[</span>      <span class="s1">&#39;--no-wrap&#39;</span><span class="p">,</span>         <span class="s1">&#39;compile without the top-level function wrapper&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-t&#39;</span><span class="p">,</span> <span class="s1">&#39;--tokens&#39;</span><span class="p">,</span>          <span class="s1">&#39;print the tokens that the lexer produces&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-n&#39;</span><span class="p">,</span> <span class="s1">&#39;--nodes&#39;</span><span class="p">,</span>           <span class="s1">&#39;print the parse tree that Jison produces&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-v&#39;</span><span class="p">,</span> <span class="s1">&#39;--version&#39;</span><span class="p">,</span>         <span class="s1">&#39;display CoffeeScript version&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s1">&#39;-h&#39;</span><span class="p">,</span> <span class="s1">&#39;--help&#39;</span><span class="p">,</span>            <span class="s1">&#39;display this help message&#39;</span><span class="p">]</span>
+<span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</a>               </div>               <p>Top-level objects shared by all the functions.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">opts         = </span><span class="p">{}</span>
+<span class="nv">sources      = </span><span class="p">[]</span>
+<span class="nv">optionParser = </span><span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>Run <code>coffee</code> by parsing passed options and determining what action to take.
+Many flags cause us to divert before compiling anything. Flags passed after
+<code>--</code> will be passed verbatim to your script as arguments in <code>process.argv</code></p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.run = </span><span class="o">-&gt;</span>
+  <span class="nx">parseOptions</span><span class="p">()</span>
+  <span class="k">return</span> <span class="nx">usage</span><span class="p">()</span>                              <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">help</span>
+  <span class="k">return</span> <span class="nx">version</span><span class="p">()</span>                            <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">version</span>
+  <span class="k">return</span> <span class="nx">require</span> <span class="s1">&#39;./repl&#39;</span>                     <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">interactive</span>
+  <span class="k">return</span> <span class="nx">compileStdio</span><span class="p">()</span>                       <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">stdio</span>
+  <span class="k">return</span> <span class="nx">compileScript</span> <span class="s1">&#39;console&#39;</span><span class="p">,</span> <span class="nx">sources</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>  <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nb">eval</span>
+  <span class="k">return</span> <span class="nx">require</span> <span class="s1">&#39;./repl&#39;</span>                     <span class="nx">unless</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">length</span>
+  <span class="nv">separator = </span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span> <span class="s1">&#39;--&#39;</span>
+  <span class="nv">flags = </span><span class="p">[]</span>
+  <span class="k">if</span> <span class="nx">separator</span> <span class="o">&gt;=</span> <span class="mi">0</span>
+    <span class="nv">flags   = </span><span class="nx">sources</span><span class="p">[(</span><span class="nx">separator</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)...</span><span class="nx">sources</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span>
+    <span class="nv">sources = </span><span class="nx">sources</span><span class="p">[</span><span class="mi">0</span><span class="p">...</span><span class="nx">separator</span><span class="p">]</span>
+  <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">run</span>
+    <span class="nv">flags   = </span><span class="nx">sources</span><span class="p">[</span><span class="mi">1</span><span class="p">..</span><span class="nx">sources</span><span class="p">.</span><span class="nx">length</span><span class="p">].</span><span class="nx">concat</span> <span class="nx">flags</span>
+    <span class="nv">sources = </span><span class="p">[</span><span class="nx">sources</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span>
+  <span class="nv">process.ARGV = process.argv = </span><span class="nx">flags</span>
+  <span class="nx">compileScripts</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</a>               </div>               <p>Asynchronously read in each CoffeeScript in a list of source files and
+compile them. If a directory is passed, recursively compile all
+'.coffee' extension source files in it and all subdirectories.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">compileScripts = </span><span class="o">-&gt;</span>
+  <span class="k">for</span> <span class="nx">source</span> <span class="k">in</span> <span class="nx">sources</span>
+    <span class="nv">base = </span><span class="nx">source</span>
+    <span class="nv">compile = </span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">topLevel</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">exists</span><span class="p">)</span> <span class="o">-&gt;</span>
+        <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">&quot;File not found: #{source}&quot;</span> <span class="nx">unless</span> <span class="nx">exists</span>
+        <span class="nx">fs</span><span class="p">.</span><span class="nx">stat</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">stats</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="k">if</span> <span class="nx">stats</span><span class="p">.</span><span class="nx">isDirectory</span><span class="p">()</span>
+            <span class="nx">fs</span><span class="p">.</span><span class="nx">readdir</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">files</span><span class="p">)</span> <span class="o">-&gt;</span>
+              <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">files</span>
+                <span class="nx">compile</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">file</span><span class="p">)</span>
+          <span class="k">else</span> <span class="k">if</span> <span class="nx">topLevel</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">extname</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;.coffee&#39;</span>
+            <span class="nx">fs</span><span class="p">.</span><span class="nx">readFile</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">compileScript</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">base</span><span class="p">)</span>
+            <span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span>
+    <span class="nx">compile</span> <span class="nx">source</span><span class="p">,</span> <span class="kc">true</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</a>               </div>               <p>Compile a single source script, containing the given code, according to the
+requested options. If evaluating the script directly sets <code>__filename</code>,
+<code>__dirname</code> and <code>module.filename</code> to be correct relative to the script's path.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">compileScript = </span><span class="p">(</span><span class="nx">file</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="nx">base</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">o = </span><span class="nx">opts</span>
+  <span class="nv">options = </span><span class="nx">compileOptions</span> <span class="nx">file</span>
+  <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">require</span>
+    <span class="nx">require</span><span class="p">(</span><span class="k">if</span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">starts</span><span class="p">(</span><span class="nx">file</span><span class="p">,</span> <span class="s1">&#39;.&#39;</span><span class="p">)</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">file</span><span class="p">)</span> <span class="k">else</span> <span class="nx">file</span><span class="p">)</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">o</span><span class="p">.</span><span class="nx">require</span>
+  <span class="k">try</span>
+    <span class="nv">t = task = </span><span class="p">{</span><span class="nx">file</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="nx">options</span><span class="p">}</span>
+    <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s1">&#39;compile&#39;</span><span class="p">,</span> <span class="nx">task</span>
+    <span class="k">if</span>      <span class="nx">o</span><span class="p">.</span><span class="nx">tokens</span>      <span class="k">then</span> <span class="nx">printTokens</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">tokens</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span>
+    <span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">nodes</span>       <span class="k">then</span> <span class="nx">puts</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">nodes</span><span class="p">(</span><span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">).</span><span class="nx">toString</span><span class="p">()</span>
+    <span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">run</span>         <span class="k">then</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span>
+    <span class="k">else</span>
+      <span class="nv">t.output = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span>
+      <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s1">&#39;success&#39;</span><span class="p">,</span> <span class="nx">task</span>
+      <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">print</span>          <span class="k">then</span> <span class="nx">print</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span>
+      <span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span>   <span class="k">then</span> <span class="nx">writeJs</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">base</span>
+      <span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">lint</span>      <span class="k">then</span> <span class="nx">lint</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span>
+  <span class="k">catch</span> <span class="nx">err</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</a>               </div>               <p>Avoid using 'error' as it is a special event -- if there is no handler,
+node will print a stack trace and exit the program.</p>             </td>             <td class="code">               <div class="highlight"><pre>    <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s1">&#39;failure&#39;</span><span class="p">,</span> <span class="nx">err</span><span class="p">,</span> <span class="nx">task</span>
+    <span class="k">return</span> <span class="k">if</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">listeners</span><span class="p">(</span><span class="s1">&#39;failure&#39;</span><span class="p">).</span><span class="nx">length</span>
+    <span class="k">return</span> <span class="nx">puts</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">watch</span>
+    <span class="nx">error</span> <span class="nx">err</span><span class="p">.</span><span class="nx">stack</span>
+    <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-11">#</a>               </div>               <p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
+and write them back to <strong>stdout</strong>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">compileStdio = </span><span class="o">-&gt;</span>
+  <span class="nv">code = </span><span class="s1">&#39;&#39;</span>
+  <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="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="p">(</span><span class="nx">buffer</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">code</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="k">if</span> <span class="nx">buffer</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="nx">compileScript</span> <span class="s1">&#39;stdio&#39;</span><span class="p">,</span> <span class="nx">code</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-12">#</a>               </div>               <p>Watch a source CoffeeScript file using <code>fs.watchFile</code>, recompiling it every
+time the file is updated. May be used in combination with other options,
+such as <code>--lint</code> or <code>--print</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">watch = </span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">base</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">fs</span><span class="p">.</span><span class="nx">watchFile</span> <span class="nx">source</span><span class="p">,</span> <span class="p">{</span><span class="nx">persistent</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">interval</span><span class="o">:</span> <span class="mi">500</span><span class="p">},</span> <span class="p">(</span><span class="nx">curr</span><span class="p">,</span> <span class="nx">prev</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">return</span> <span class="k">if</span> <span class="nx">curr</span><span class="p">.</span><span class="nx">mtime</span><span class="p">.</span><span class="nx">getTime</span><span class="p">()</span> <span class="o">is</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">mtime</span><span class="p">.</span><span class="nx">getTime</span><span class="p">()</span>
+    <span class="nx">fs</span><span class="p">.</span><span class="nx">readFile</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">compileScript</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">base</span><span class="p">)</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-13">#</a>               </div>               <p>Write out a JavaScript source file with the compiled code. By default, files
+are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
+directory can be customized with <code>--output</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">writeJs = </span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">js</span><span class="p">,</span> <span class="nx">base</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">filename  = </span><span class="nx">path</span><span class="p">.</span><span class="nx">basename</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">path</span><span class="p">.</span><span class="nx">extname</span><span class="p">(</span><span class="nx">source</span><span class="p">))</span> <span class="o">+</span> <span class="s1">&#39;.js&#39;</span>
+  <span class="nv">srcDir    = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">source</span>
+  <span class="nv">baseDir   = </span><span class="nx">srcDir</span><span class="p">.</span><span class="nx">substring</span> <span class="nx">base</span><span class="p">.</span><span class="nx">length</span>
+  <span class="nv">dir       = </span><span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span> <span class="k">then</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">baseDir</span> <span class="k">else</span> <span class="nx">srcDir</span>
+  <span class="nv">jsPath    = </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="nx">filename</span>
+  <span class="nv">compile   = </span><span class="o">-&gt;</span>
+    <span class="nv">js = </span><span class="s1">&#39; &#39;</span> <span class="k">if</span> <span class="nx">js</span><span class="p">.</span><span class="nx">length</span> <span class="o">&lt;=</span> <span class="mi">0</span>
+    <span class="nx">fs</span><span class="p">.</span><span class="nx">writeFile</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nx">js</span><span class="p">,</span> <span class="p">(</span><span class="nx">err</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="nx">puts</span> <span class="s2">&quot;Compiled #{source}&quot;</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">compile</span> <span class="o">and</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span>
+  <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span> <span class="nx">dir</span><span class="p">,</span> <span class="p">(</span><span class="nx">exists</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">if</span> <span class="nx">exists</span> <span class="k">then</span> <span class="nx">compile</span><span class="p">()</span> <span class="k">else</span> <span class="nx">exec</span> <span class="s2">&quot;mkdir -p #{dir}&quot;</span><span class="p">,</span> <span class="nx">compile</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-14">#</a>               </div>               <p>Pipe compiled JS through JSLint (requires a working <code>jsl</code> command), printing
+any errors or warnings that arise.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">lint = </span><span class="p">(</span><span class="nx">js</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">printIt = </span><span class="p">(</span><span class="nx">buffer</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">puts</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="nv">conf = </span><span class="nx">__dirname</span> <span class="o">+</span> <span class="s1">&#39;/../extras/jsl.conf&#39;</span>
+  <span class="nv">jsl = </span><span class="nx">spawn</span> <span class="s1">&#39;jsl&#39;</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;-nologo&#39;</span><span class="p">,</span> <span class="s1">&#39;-stdin&#39;</span><span class="p">,</span> <span class="s1">&#39;-conf&#39;</span><span class="p">,</span> <span class="nx">conf</span><span class="p">]</span>
+  <span class="nx">jsl</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;data&#39;</span><span class="p">,</span> <span class="nx">printIt</span>
+  <span class="nx">jsl</span><span class="p">.</span><span class="nx">stderr</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;data&#39;</span><span class="p">,</span> <span class="nx">printIt</span>
+  <span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">write</span> <span class="nx">js</span>
+  <span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">end</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-15">#</a>               </div>               <p>Pretty-print a stream of tokens.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">printTokens = </span><span class="p">(</span><span class="nx">tokens</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">strings = </span><span class="k">for</span> <span class="nx">token</span> <span class="k">in</span> <span class="nx">tokens</span>
+    <span class="p">[</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">token</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">toString</span><span class="p">().</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\n/</span><span class="p">,</span> <span class="s1">&#39;\\n&#39;</span><span class="p">)]</span>
+    <span class="s2">&quot;[#{tag} #{value}]&quot;</span>
+  <span class="nx">puts</span> <span class="nx">strings</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">)</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-16">#</a>               </div>               <p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
+<code>process.argv</code> that are specified in <code>SWITCHES</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">parseOptions = </span><span class="o">-&gt;</span>
+  <span class="nv">optionParser  = </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="p">,</span> <span class="nx">BANNER</span>
+  <span class="nv">o = opts      = </span><span class="nx">optionParser</span><span class="p">.</span><span class="nx">parse</span><span class="p">(</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">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">.</span><span class="nx">length</span><span class="p">])</span>
+  <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span>     <span class="o">or=</span>  <span class="o">!!</span><span class="nx">o</span><span class="p">.</span><span class="nx">output</span>
+  <span class="nv">o.run         = </span><span class="o">not</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">lint</span><span class="p">)</span>
+  <span class="nv">o.print       = </span><span class="o">!!</span>  <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="o">or</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nb">eval</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">stdio</span> <span class="o">and</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span><span class="p">))</span>
+  <span class="nv">sources       = </span><span class="nx">o</span><span class="p">.</span><span class="nx">arguments</span></pre></div>             </td>           </tr>                               <tr id="section-17">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-17">#</a>               </div>               <p>The compile-time options to pass to the CoffeeScript compiler.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">compileOptions = </span><span class="p">(</span><span class="nx">fileName</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">o = </span><span class="p">{</span><span class="nx">fileName</span><span class="p">}</span>
+  <span class="nv">o.noWrap = </span><span class="nx">opts</span><span class="p">[</span><span class="s1">&#39;no-wrap&#39;</span><span class="p">]</span>
+  <span class="nx">o</span></pre></div>             </td>           </tr>                               <tr id="section-18">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-18">#</a>               </div>               <p>Print the <code>--help</code> usage message and exit.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">usage = </span><span class="o">-&gt;</span>
+  <span class="nx">puts</span> <span class="nx">optionParser</span><span class="p">.</span><span class="nx">help</span><span class="p">()</span>
+  <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">0</span></pre></div>             </td>           </tr>                               <tr id="section-19">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-19">#</a>               </div>               <p>Print the <code>--version</code> message and exit.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">version = </span><span class="o">-&gt;</span>
+  <span class="nx">puts</span> <span class="s2">&quot;CoffeeScript version #{CoffeeScript.VERSION}&quot;</span>
+  <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">0</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

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documentation/docs/grammar.html

@@ -0,0 +1,412 @@
+<!DOCTYPE html>  <html> <head>   <title>grammar.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="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>               grammar.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-1">#</a>               </div>               <p>The CoffeeScript parser is generated by <a href="http://github.com/zaach/jison">Jison</a>
+from this grammar file. Jison is a bottom-up parser generator, similar in
+style to <a href="http://www.gnu.org/software/bison">Bison</a>, implemented in JavaScript.
+It can recognize <a href="http://en.wikipedia.org/wiki/LR_grammar">LALR(1), LR(0), SLR(1), and LR(1)</a>
+type grammars. To create the Jison parser, we list the pattern to match
+on the left-hand side, and the action to take (usually the creation of syntax
+tree nodes) on the right. As the parser runs, it
+shifts tokens from our token stream, from left to right, and
+<a href="http://en.wikipedia.org/wiki/Bottom-up_parsing">attempts to match</a>
+the token sequence against the rules below. When a match can be made, it
+reduces into the <a href="http://en.wikipedia.org/wiki/Terminal_and_nonterminal_symbols">nonterminal</a>
+(the enclosing name at the top), and we proceed from there.</p>
+
+<p>If you run the <code>cake build:parser</code> command, Jison constructs a parse table
+from our rules and saves it into <code>lib/parser.js</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>The only dependency is on the <strong>Jison.Parser</strong>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">Parser = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;jison&#39;</span><span class="p">).</span><span class="nx">Parser</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <h2>Jison DSL</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>Since we're going to be wrapped in a function by Jison in any case, if our
+action immediately returns a value, we can optimize by removing the function
+wrapper and just returning the value directly.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">unwrap = </span><span class="sr">/function\s*\(\)\s*\{\s*return\s*([\s\S]*);\s*\}/</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</a>               </div>               <p>Our handy DSL for Jison grammar generation, thanks to
+<a href="http://github.com/creationix">Tim Caswell</a>. For every rule in the grammar,
+we pass the pattern-defining string, the action to run, and extra options,
+optionally. If no action is specified, we simply pass the value of the
+previous nonterminal.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">o = </span><span class="p">(</span><span class="nx">patternString</span><span class="p">,</span> <span class="nx">action</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="k">return</span> <span class="p">[</span><span class="nx">patternString</span><span class="p">,</span> <span class="s1">&#39;$$ = $1;&#39;</span><span class="p">,</span> <span class="nx">options</span><span class="p">]</span> <span class="nx">unless</span> <span class="nx">action</span>
+  <span class="nv">action = </span><span class="k">if</span> <span class="nv">match = </span><span class="p">(</span><span class="nx">action</span> <span class="o">+</span> <span class="s1">&#39;&#39;</span><span class="p">).</span><span class="nx">match</span><span class="p">(</span><span class="nx">unwrap</span><span class="p">)</span> <span class="k">then</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="k">else</span> <span class="s2">&quot;(#{action}())&quot;</span>
+  <span class="p">[</span><span class="nx">patternString</span><span class="p">,</span> <span class="s2">&quot;$$ = #{action};&quot;</span><span class="p">,</span> <span class="nx">options</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</a>               </div>               <h2>Grammatical Rules</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>In all of the rules that follow, you'll see the name of the nonterminal as
+the key to a list of alternative matches. With each match's action, the
+dollar-sign variables are provided by Jison as references to the value of
+their numeric position, so in this rule:</p>
+
+<pre><code>"Expression UNLESS Expression"
+</code></pre>
+
+<p><code>$1</code> would be the value of the first <code>Expression</code>, <code>$2</code> would be the token
+for the <code>UNLESS</code> terminal, and <code>$3</code> would be the value of the second
+<code>Expression</code>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">grammar =</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</a>               </div>               <p>The <strong>Root</strong> is the top-level node in the syntax tree. Since we parse bottom-up,
+all parsing must end here.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Root</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;&quot;</span><span class="p">,</span>                                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">Expressions</span>
+    <span class="nx">o</span> <span class="s2">&quot;TERMINATOR&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">Expressions</span>
+    <span class="nx">o</span> <span class="s2">&quot;Body&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Block TERMINATOR&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</a>               </div>               <p>Any list of statements and expressions, seperated by line breaks or semicolons.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Body</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Line&quot;</span><span class="p">,</span>                                   <span class="o">-&gt;</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Body TERMINATOR Line&quot;</span><span class="p">,</span>                   <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">push</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Body TERMINATOR&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</a>               </div>               <p>Expressions and statements, which make up a line in a body.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Line</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Statement&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-11">#</a>               </div>               <p>Pure statements which cannot be expressions.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Statement</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Return&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Throw&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;BREAK&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;CONTINUE&quot;</span><span class="p">,</span>                               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-12">#</a>               </div>               <p>All the different types of expressions in our language. The basic unit of
+CoffeeScript is the <strong>Expression</strong> -- everything that can be an expression
+is one. Expressions serve as the building blocks of many other rules, making
+them somewhat circular.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Expression</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Value&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Call&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Code&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Operation&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Assign&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;If&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Try&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;While&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;For&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Switch&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Extends&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Class&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Existence&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Comment&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-13">#</a>               </div>               <p>An indented block of expressions. Note that the <a href="rewriter.html">Rewriter</a>
+will convert some postfix forms into blocks for us, by adjusting the
+token stream.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Block</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDENT Body OUTDENT&quot;</span><span class="p">,</span>                    <span class="o">-&gt;</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDENT OUTDENT&quot;</span><span class="p">,</span>                         <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">Expressions</span>
+    <span class="nx">o</span> <span class="s2">&quot;TERMINATOR Comment&quot;</span><span class="p">,</span>                     <span class="o">-&gt;</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span> <span class="p">[</span><span class="nx">$2</span><span class="p">]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-14">#</a>               </div>               <p>A literal identifier, a variable name or property.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Identifier</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;IDENTIFIER&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-15">#</a>               </div>               <p>Alphanumerics are separated from the other <strong>Literal</strong> matchers because
+they can also serve as keys in object literals.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">AlphaNumeric</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;NUMBER&quot;</span><span class="p">,</span>                                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;STRING&quot;</span><span class="p">,</span>                                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-16">#</a>               </div>               <p>All of our immediate values. These can (in general), be passed straight
+through and printed to JavaScript.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Literal</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;AlphaNumeric&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;JS&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;REGEX&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;TRUE&quot;</span><span class="p">,</span>                                   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;FALSE&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">false</span>
+    <span class="nx">o</span> <span class="s2">&quot;YES&quot;</span><span class="p">,</span>                                    <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;NO&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">false</span>
+    <span class="nx">o</span> <span class="s2">&quot;ON&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;OFF&quot;</span><span class="p">,</span>                                    <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="kc">false</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-17">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-17">#</a>               </div>               <p>Assignment of a variable, property, or index to a value.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Assign</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Assignable = Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Assignable = INDENT Expression OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$4</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-18">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-18">#</a>               </div>               <p>Assignment when it happens within an object literal. The difference from
+the ordinary <strong>Assign</strong> is that these allow numbers and strings as keys.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">AssignObj</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Identifier&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;AlphaNumeric&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Identifier : Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">&#39;object&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;AlphaNumeric : Expression&quot;</span><span class="p">,</span>              <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">&#39;object&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Identifier : INDENT Expression OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$4</span><span class="p">,</span> <span class="s1">&#39;object&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;AlphaNumeric : INDENT Expression OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$4</span><span class="p">,</span> <span class="s1">&#39;object&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Comment&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-19">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-19">#</a>               </div>               <p>A return statement from a function body.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Return</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;RETURN Expression&quot;</span><span class="p">,</span>                      <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ReturnNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;RETURN&quot;</span><span class="p">,</span>                                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ReturnNode</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;null&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-20">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-20">#</a>               </div>               <p>A block comment.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Comment</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;HERECOMMENT&quot;</span><span class="p">,</span>                            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CommentNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-21">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-21">#</a>               </div>               <p><a href="http://jashkenas.github.com/coffee-script/#existence">The existential operator</a>.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Existence</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression ?&quot;</span><span class="p">,</span>                           <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ExistenceNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-22">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-22">#</a>               </div>               <p>The <strong>Code</strong> node is the function literal. It's defined by an indented block
+of <strong>Expressions</strong> preceded by a function arrow, with an optional parameter
+list.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Code</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;PARAM_START ParamList PARAM_END FuncGlyph Block&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CodeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$5</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;FuncGlyph Block&quot;</span><span class="p">,</span>                        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CodeNode</span> <span class="p">[],</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-23">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-23">#</a>               </div>               <p>CoffeeScript has two different symbols for functions. <code>-&gt;</code> is for ordinary
+functions, and <code>=&gt;</code> is for functions bound to the current value of <em>this</em>.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">FuncGlyph</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;-&gt;&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="s1">&#39;func&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;=&gt;&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="s1">&#39;boundfunc&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-24">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-24">#</a>               </div>               <p>An optional, trailing comma.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">OptComma</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s1">&#39;&#39;</span>
+    <span class="nx">o</span> <span class="s1">&#39;,&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-25">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-25">#</a>               </div>               <p>The list of parameters that a function accepts can be of any length.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ParamList</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;&quot;</span><span class="p">,</span>                                       <span class="o">-&gt;</span> <span class="p">[]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Param&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ParamList , Param&quot;</span><span class="p">,</span>                      <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span><span class="nx">$3</span><span class="p">]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-26">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-26">#</a>               </div>               <p>A single parameter in a function definition can be ordinary, or a splat
+that hoovers up the remaining arguments.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Param</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;PARAM&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;@ PARAM&quot;</span><span class="p">,</span>                                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ParamNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;PARAM . . .&quot;</span><span class="p">,</span>                            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ParamNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="kc">false</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;@ PARAM . . .&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ParamNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">true</span><span class="p">,</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-27">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-27">#</a>               </div>               <p>A splat that occurs outside of a parameter list.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Splat</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression . . .&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">SplatNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-28">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-28">#</a>               </div>               <p>Variables and properties that can be assigned to.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">SimpleAssignable</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Identifier&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;Value Accessor&quot;</span><span class="p">,</span>                         <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">push</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;Invocation Accessor&quot;</span><span class="p">,</span>                    <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="p">[</span><span class="nx">$2</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ThisProperty&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-29">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-29">#</a>               </div>               <p>Everything that can be assigned to.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Assignable</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;SimpleAssignable&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Array&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;Object&quot;</span><span class="p">,</span>                                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-30">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-30">#</a>               </div>               <p>The types of things that can be treated as values -- assigned to, invoked
+as functions, indexed into, named as a class, etc.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Value</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Assignable&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Literal&quot;</span><span class="p">,</span>                                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;Parenthetical&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;Range&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;This&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;NULL&quot;</span><span class="p">,</span>                                   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;null&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-31">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-31">#</a>               </div>               <p>The general group of accessors into an object, by property, by prototype
+or by array index or slice.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Accessor</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;PROPERTY_ACCESS Identifier&quot;</span><span class="p">,</span>             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AccessorNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;PROTOTYPE_ACCESS Identifier&quot;</span><span class="p">,</span>            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AccessorNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="s1">&#39;prototype&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;::&quot;</span><span class="p">,</span>                                     <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="s1">&#39;prototype&#39;</span><span class="p">))</span>
+    <span class="nx">o</span> <span class="s2">&quot;SOAK_ACCESS Identifier&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AccessorNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="s1">&#39;soak&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Index&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Slice&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">SliceNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-32">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-32">#</a>               </div>               <p>Indexing into an object or array using bracket notation.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Index</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START Expression INDEX_END&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IndexNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_SOAK Index&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="nv">$2.soakNode = </span><span class="kc">yes</span><span class="p">;</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_PROTO Index&quot;</span><span class="p">,</span>                      <span class="o">-&gt;</span> <span class="nv">$2.proto = </span><span class="kc">yes</span><span class="p">;</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-33">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-33">#</a>               </div>               <p>In CoffeeScript, an object literal is simply a list of assignments.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nb">Object</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;{ AssignList OptComma }&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ObjectNode</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-34">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-34">#</a>               </div>               <p>Assignment of properties within an object literal can be separated by
+comma, as in JavaScript, or simply by newline.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">AssignList</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;&quot;</span><span class="p">,</span>                                       <span class="o">-&gt;</span> <span class="p">[]</span>
+    <span class="nx">o</span> <span class="s2">&quot;AssignObj&quot;</span><span class="p">,</span>                              <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;AssignList , AssignObj&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span><span class="nx">$3</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;AssignList OptComma TERMINATOR AssignObj&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span><span class="nx">$4</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;AssignList OptComma INDENT AssignList OptComma OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">$4</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-35">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-35">#</a>               </div>               <p>Class definitions have optional bodies of prototype property assignments,
+and optional references to the superclass.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Class</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;CLASS SimpleAssignable&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ClassNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;CLASS SimpleAssignable EXTENDS Value&quot;</span><span class="p">,</span>   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ClassNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;CLASS SimpleAssignable INDENT ClassBody OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ClassNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;CLASS SimpleAssignable EXTENDS Value INDENT ClassBody OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ClassNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$4</span><span class="p">,</span> <span class="nx">$6</span>
+    <span class="nx">o</span> <span class="s2">&quot;CLASS INDENT ClassBody OUTDENT&quot;</span><span class="p">,</span>         <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ClassNode</span> <span class="s1">&#39;__temp__&#39;</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">$3</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-36">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-36">#</a>               </div>               <p>Assignments that can happen directly inside a class declaration.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ClassAssign</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;AssignObj&quot;</span><span class="p">,</span>                              <span class="o">-&gt;</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;ThisProperty : Expression&quot;</span><span class="p">,</span>              <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">&#39;this&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-37">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-37">#</a>               </div>               <p>A list of assignments to a class.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ClassBody</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;&quot;</span><span class="p">,</span>                                       <span class="o">-&gt;</span> <span class="p">[]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ClassAssign&quot;</span><span class="p">,</span>                            <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ClassBody TERMINATOR ClassAssign&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;{ ClassBody }&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-38">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-38">#</a>               </div>               <p>The three flavors of function call: normal, object instantiation with <code>new</code>,
+and calling <code>super()</code></p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Call</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Invocation&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Super&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;NEW Invocation&quot;</span><span class="p">,</span>                         <span class="o">-&gt;</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">newInstance</span><span class="p">()</span>
+    <span class="nx">o</span> <span class="s2">&quot;NEW Value&quot;</span><span class="p">,</span>                              <span class="o">-&gt;</span> <span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span><span class="p">(</span><span class="nx">$2</span><span class="p">,</span> <span class="p">[])).</span><span class="nx">newInstance</span><span class="p">()</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-39">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-39">#</a>               </div>               <p>Extending an object by setting its prototype chain to reference a parent
+object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Extends</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;SimpleAssignable EXTENDS Value&quot;</span><span class="p">,</span>         <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ExtendsNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-40">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-40">#</a>               </div>               <p>Ordinary function invocation, or a chained series of calls.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Invocation</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Value Arguments&quot;</span><span class="p">,</span>                        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CallNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;Invocation Arguments&quot;</span><span class="p">,</span>                   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CallNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-41">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-41">#</a>               </div>               <p>The list of arguments to a function call.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Arguments</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;CALL_START ArgList OptComma CALL_END&quot;</span><span class="p">,</span>   <span class="o">-&gt;</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-42">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-42">#</a>               </div>               <p>Calling super.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Super</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;SUPER&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CallNode</span> <span class="s1">&#39;super&#39;</span><span class="p">,</span> <span class="p">[</span><span class="k">new</span> <span class="nx">SplatNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="s1">&#39;arguments&#39;</span><span class="p">))]</span>
+    <span class="nx">o</span> <span class="s2">&quot;SUPER Arguments&quot;</span><span class="p">,</span>                        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">CallNode</span> <span class="s1">&#39;super&#39;</span><span class="p">,</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-43">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-43">#</a>               </div>               <p>A reference to the <em>this</em> current object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">This</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;THIS&quot;</span><span class="p">,</span>                                   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;this&#39;</span>
+    <span class="nx">o</span> <span class="s2">&quot;@&quot;</span><span class="p">,</span>                                      <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;this&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-44">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-44">#</a>               </div>               <p>A reference to a property on <em>this</em>.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ThisProperty</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;@ Identifier&quot;</span><span class="p">,</span>                           <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="s1">&#39;this&#39;</span><span class="p">),</span> <span class="p">[</span><span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="nx">$2</span><span class="p">)]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-45">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-45">#</a>               </div>               <p>The CoffeeScript range literal.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Range</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;[ Expression . . Expression ]&quot;</span><span class="p">,</span>          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$5</span>
+    <span class="nx">o</span> <span class="s2">&quot;[ Expression . . . Expression ]&quot;</span><span class="p">,</span>        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$6</span><span class="p">,</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-46">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-46">#</a>               </div>               <p>The slice literal.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Slice</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START Expression . . Expression INDEX_END&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$5</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START Expression . . . Expression INDEX_END&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$6</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START Expression . . INDEX_END&quot;</span><span class="p">,</span>   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">null</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START Expression . . . INDEX_END&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START . . Expression INDEX_END&quot;</span><span class="p">,</span>   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;INDEX_START . . . Expression INDEX_END&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">$5</span><span class="p">,</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-47">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-47">#</a>               </div>               <p>The array literal.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nb">Array</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;[ ArgList OptComma ]&quot;</span><span class="p">,</span>                   <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ArrayNode</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-48">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-48">#</a>               </div>               <p>The <strong>ArgList</strong> is both the list of objects passed into a function call,
+as well as the contents of an array literal
+(i.e. comma-separated expressions). Newlines work as well.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ArgList</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;&quot;</span><span class="p">,</span>                                       <span class="o">-&gt;</span> <span class="p">[]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Arg&quot;</span><span class="p">,</span>                                    <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ArgList , Arg&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span><span class="nx">$3</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ArgList OptComma TERMINATOR Arg&quot;</span><span class="p">,</span>        <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span><span class="nx">$4</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ArgList OptComma INDENT ArgList OptComma OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">$4</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-49">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-49">#</a>               </div>               <p>Valid arguments are Expressions or Splats.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Arg</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Splat&quot;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-50">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-50">#</a>               </div>               <p>Just simple, comma-separated, required arguments (no fancy syntax). We need
+this to be separate from the <strong>ArgList</strong> for use in <strong>Switch</strong> blocks, where
+having the newlines wouldn't make sense.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">SimpleArgs</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;SimpleArgs , Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">$1</span> <span class="k">instanceof</span> <span class="nb">Array</span> <span class="k">then</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">concat</span><span class="p">([</span><span class="nx">$3</span><span class="p">])</span> <span class="k">else</span> <span class="p">[</span><span class="nx">$1</span><span class="p">].</span><span class="nx">concat</span><span class="p">([</span><span class="nx">$3</span><span class="p">])</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-51">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-51">#</a>               </div>               <p>The variants of <em>try/catch/finally</em> exception handling blocks.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Try</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;TRY Block Catch&quot;</span><span class="p">,</span>                        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">TryNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$3</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;TRY Block FINALLY Block&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">TryNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;TRY Block Catch FINALLY Block&quot;</span><span class="p">,</span>          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">TryNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$3</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="nx">$5</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-52">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-52">#</a>               </div>               <p>A catch clause names its error and runs a block of code.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Catch</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;CATCH Identifier Block&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-53">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-53">#</a>               </div>               <p>Throw an exception object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Throw</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;THROW Expression&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ThrowNode</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-54">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-54">#</a>               </div>               <p>Parenthetical expressions. Note that the <strong>Parenthetical</strong> is a <strong>Value</strong>,
+not an <strong>Expression</strong>, so if you need to use an expression in a place
+where only values are accepted, wrapping it in parentheses will always do
+the trick.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Parenthetical</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;( Line )&quot;</span><span class="p">,</span>                               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ParentheticalNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;( )&quot;</span><span class="p">,</span>                                    <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ParentheticalNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;&#39;</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-55">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-55">#</a>               </div>               <p>The condition portion of a while loop.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">WhileSource</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;WHILE Expression&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;WHILE Expression WHEN Expression&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;UNTIL Expression&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">invert</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;UNTIL Expression WHEN Expression&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">invert</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$4</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-56">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-56">#</a>               </div>               <p>The while loop can either be normal, with a block of expressions to execute,
+or postfix, with a single expression. There is no do..while.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">While</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;WhileSource Block&quot;</span><span class="p">,</span>                      <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">addBody</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;Statement WhileSource&quot;</span><span class="p">,</span>                  <span class="o">-&gt;</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">addBody</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression WhileSource&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">addBody</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Loop&quot;</span><span class="p">,</span>                                   <span class="o">-&gt;</span> <span class="nx">$1</span>
+  <span class="p">]</span>
+
+  <span class="nx">Loop</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;LOOP Block&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;true&#39;</span><span class="p">).</span><span class="nx">addBody</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;LOOP Expression&quot;</span><span class="p">,</span>                        <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">WhileNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">&#39;true&#39;</span><span class="p">).</span><span class="nx">addBody</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span> <span class="p">[</span><span class="nx">$2</span><span class="p">]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-57">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-57">#</a>               </div>               <p>Array, object, and range comprehensions, at the most generic level.
+Comprehensions can either be normal, with a block of expressions to execute,
+or postfix, with a single expression.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">For</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Statement ForBody&quot;</span><span class="p">,</span>                      <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ForNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression ForBody&quot;</span><span class="p">,</span>                     <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ForNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$2</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ForBody Block&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ForNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">vars</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+  <span class="p">]</span>
+
+  <span class="nx">ForBody</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;FOR Range&quot;</span><span class="p">,</span>                              <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$2</span><span class="p">),</span> <span class="nx">vars</span><span class="o">:</span> <span class="p">[]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ForStart ForSource&quot;</span><span class="p">,</span>                     <span class="o">-&gt;</span> <span class="nv">$2.raw = </span><span class="nx">$1</span><span class="p">.</span><span class="nx">raw</span><span class="p">;</span> <span class="nv">$2.vars = </span><span class="nx">$1</span><span class="p">;</span> <span class="nx">$2</span>
+  <span class="p">]</span>
+
+  <span class="nx">ForStart</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;FOR ForVariables&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;FOR ALL ForVariables&quot;</span><span class="p">,</span>                   <span class="o">-&gt;</span> <span class="nv">$3.raw = </span><span class="kc">true</span><span class="p">;</span> <span class="nx">$3</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-58">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-58">#</a>               </div>               <p>An array of all accepted values for a variable inside the loop. This
+enables support for pattern matching.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ForValue</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;Identifier&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Array&quot;</span><span class="p">,</span>                                  <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+    <span class="nx">o</span> <span class="s2">&quot;Object&quot;</span><span class="p">,</span>                                 <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-59">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-59">#</a>               </div>               <p>An array or range comprehension has variables for the current element and
+(optional) reference to the current index. Or, <em>key, value</em>, in the case
+of object comprehensions.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ForVariables</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;ForValue&quot;</span><span class="p">,</span>                               <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">]</span>
+    <span class="nx">o</span> <span class="s2">&quot;ForValue , ForValue&quot;</span><span class="p">,</span>                    <span class="o">-&gt;</span> <span class="p">[</span><span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span><span class="p">]</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-60">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-60">#</a>               </div>               <p>The source of a comprehension is an array or object with an optional guard
+clause. If it's an array comprehension, you can also choose to step through
+in fixed-size increments.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ForSource</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;IN Expression&quot;</span><span class="p">,</span>                               <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;OF Expression&quot;</span><span class="p">,</span>                               <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">object</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;IN Expression WHEN Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;OF Expression WHEN Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$4</span><span class="p">,</span> <span class="nx">object</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;IN Expression BY Expression&quot;</span><span class="p">,</span>                 <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">step</span><span class="o">:</span>  <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;IN Expression WHEN Expression BY Expression&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$4</span><span class="p">,</span> <span class="nx">step</span><span class="o">:</span>   <span class="nx">$6</span>
+    <span class="nx">o</span> <span class="s2">&quot;IN Expression BY Expression WHEN Expression&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">source</span><span class="o">:</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">step</span><span class="o">:</span>  <span class="nx">$4</span><span class="p">,</span> <span class="nx">guard</span><span class="o">:</span> <span class="nx">$6</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-61">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-61">#</a>               </div>               <p>The CoffeeScript switch/when/else block replaces the JavaScript
+switch/case/default by compiling into an if-else chain.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Switch</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;SWITCH Expression INDENT Whens OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$4</span><span class="p">.</span><span class="nx">switchesOver</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;SWITCH Expression INDENT Whens ELSE Block OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$4</span><span class="p">.</span><span class="nx">switchesOver</span><span class="p">(</span><span class="nx">$2</span><span class="p">).</span><span class="nx">addElse</span> <span class="nx">$6</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;SWITCH INDENT Whens OUTDENT&quot;</span><span class="p">,</span>            <span class="o">-&gt;</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;SWITCH INDENT Whens ELSE Block OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="nx">$3</span><span class="p">.</span><span class="nx">addElse</span> <span class="nx">$5</span><span class="p">,</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-62">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-62">#</a>               </div>               <p>The inner list of whens is left recursive. At code-generation time, the
+IfNode will rewrite them into a proper chain.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Whens</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;When&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Whens When&quot;</span><span class="p">,</span>                             <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">addElse</span> <span class="nx">$2</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-63">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-63">#</a>               </div>               <p>An individual <strong>When</strong> clause, with action.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">When</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;LEADING_WHEN SimpleArgs Block&quot;</span><span class="p">,</span>            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;LEADING_WHEN SimpleArgs Block TERMINATOR&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-64">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-64">#</a>               </div>               <p>The most basic form of <em>if</em> is a condition and an action. The following
+if-related rules are broken up along these lines in order to avoid
+ambiguity.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">IfBlock</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;IF Expression Block&quot;</span><span class="p">,</span>                    <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;UNLESS Expression Block&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">invert</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;IfBlock ELSE IF Expression Block&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">addElse</span> <span class="p">(</span><span class="k">new</span> <span class="nx">IfNode</span><span class="p">(</span><span class="nx">$4</span><span class="p">,</span> <span class="nx">$5</span><span class="p">)).</span><span class="nx">forceStatement</span><span class="p">()</span>
+    <span class="nx">o</span> <span class="s2">&quot;IfBlock ELSE Block&quot;</span><span class="p">,</span>                     <span class="o">-&gt;</span> <span class="nx">$1</span><span class="p">.</span><span class="nx">addElse</span> <span class="nx">$3</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-65">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-65">#</a>               </div>               <p>The full complement of <em>if</em> expressions, including postfix one-liner
+<em>if</em> and <em>unless</em>.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">If</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;IfBlock&quot;</span>
+    <span class="nx">o</span> <span class="s2">&quot;Statement POST_IF Expression&quot;</span><span class="p">,</span>           <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">$1</span><span class="p">]),</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression POST_IF Expression&quot;</span><span class="p">,</span>          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">$1</span><span class="p">]),</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;Statement POST_UNLESS Expression&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">$1</span><span class="p">]),</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">invert</span><span class="o">:</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression POST_UNLESS Expression&quot;</span><span class="p">,</span>      <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">IfNode</span> <span class="nx">$3</span><span class="p">,</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">$1</span><span class="p">]),</span> <span class="nx">statement</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">invert</span><span class="o">:</span> <span class="kc">true</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-66">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-66">#</a>               </div>               <p>Arithmetic and logical operators, working on one or more operands.
+Here they are grouped by order of precedence. The actual precedence rules
+are defined at the bottom of the page. It would be shorter if we could
+combine most of these rules into a single generic <em>Operand OpSymbol Operand</em>
+-type rule, but in order to make the precedence binding possible, separate
+rules are necessary.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">Operation</span><span class="o">:</span> <span class="p">[</span>
+    <span class="nx">o</span> <span class="s2">&quot;UNARY Expression&quot;</span><span class="p">,</span>                       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$2</span>
+    <span class="nx">o</span><span class="p">(</span><span class="s2">&quot;- Expression&quot;</span><span class="p">,</span>                           <span class="p">(</span><span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span><span class="p">(</span><span class="s1">&#39;-&#39;</span><span class="p">,</span> <span class="nx">$2</span><span class="p">)),</span> <span class="p">{</span><span class="nx">prec</span><span class="o">:</span> <span class="s1">&#39;UNARY&#39;</span><span class="p">})</span>
+    <span class="nx">o</span><span class="p">(</span><span class="s2">&quot;+ Expression&quot;</span><span class="p">,</span>                           <span class="p">(</span><span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span><span class="p">(</span><span class="s1">&#39;+&#39;</span><span class="p">,</span> <span class="nx">$2</span><span class="p">)),</span> <span class="p">{</span><span class="nx">prec</span><span class="o">:</span> <span class="s1">&#39;UNARY&#39;</span><span class="p">})</span>
+
+    <span class="nx">o</span> <span class="s2">&quot;-- Expression&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;--&#39;</span><span class="p">,</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;++ Expression&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;++&#39;</span><span class="p">,</span> <span class="nx">$2</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression --&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;--&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="kc">true</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression ++&quot;</span><span class="p">,</span>                          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;++&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="kc">true</span>
+
+    <span class="nx">o</span> <span class="s2">&quot;Expression ? Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;?&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression + Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;+&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression - Expression&quot;</span><span class="p">,</span>                <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;-&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression == Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;==&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression != Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;!=&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+
+    <span class="nx">o</span> <span class="s2">&quot;Expression MATH Expression&quot;</span><span class="p">,</span>             <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression SHIFT Expression&quot;</span><span class="p">,</span>            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression COMPARE Expression&quot;</span><span class="p">,</span>          <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression LOGIC Expression&quot;</span><span class="p">,</span>            <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Value COMPOUND_ASSIGN Expression&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Value COMPOUND_ASSIGN INDENT Expression OUTDENT&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$4</span>
+
+    <span class="nx">o</span> <span class="s2">&quot;Expression IN Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">InNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression OF Expression&quot;</span><span class="p">,</span>               <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;in&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression INSTANCEOF Expression&quot;</span><span class="p">,</span>       <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;instanceof&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$3</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression UNARY IN Expression&quot;</span><span class="p">,</span>         <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="k">new</span> <span class="nx">InNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression UNARY OF Expression&quot;</span><span class="p">,</span>         <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="k">new</span> <span class="nx">ParentheticalNode</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;in&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$4</span>
+    <span class="nx">o</span> <span class="s2">&quot;Expression UNARY INSTANCEOF Expression&quot;</span><span class="p">,</span> <span class="o">-&gt;</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="k">new</span> <span class="nx">ParentheticalNode</span> <span class="k">new</span> <span class="nx">OpNode</span> <span class="s1">&#39;instanceof&#39;</span><span class="p">,</span> <span class="nx">$1</span><span class="p">,</span> <span class="nx">$4</span>
+  <span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-67">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-67">#</a>               </div>               <h2>Precedence</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-68">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-68">#</a>               </div>               <p>Operators at the top of this list have higher precedence than the ones lower
+down. Following these rules is what makes <code>2 + 3 * 4</code> parse as:</p>
+
+<pre><code>2 + (3 * 4)
+</code></pre>
+
+<p>And not:</p>
+
+<pre><code>(2 + 3) * 4
+</code></pre>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">operators = </span><span class="p">[</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;?&#39;</span><span class="p">,</span> <span class="s1">&#39;NEW&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;nonassoc&quot;</span><span class="p">,</span>  <span class="s1">&#39;++&#39;</span><span class="p">,</span> <span class="s1">&#39;--&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;UNARY&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;MATH&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;+&#39;</span><span class="p">,</span> <span class="s1">&#39;-&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;SHIFT&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;COMPARE&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;INSTANCEOF&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;==&#39;</span><span class="p">,</span> <span class="s1">&#39;!=&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;LOGIC&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;COMPOUND_ASSIGN&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;left&quot;</span><span class="p">,</span>      <span class="s1">&#39;.&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;nonassoc&quot;</span><span class="p">,</span>  <span class="s1">&#39;INDENT&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;WHEN&#39;</span><span class="p">,</span> <span class="s1">&#39;LEADING_WHEN&#39;</span><span class="p">,</span> <span class="s1">&#39;IN&#39;</span><span class="p">,</span> <span class="s1">&#39;OF&#39;</span><span class="p">,</span> <span class="s1">&#39;BY&#39;</span><span class="p">,</span> <span class="s1">&#39;THROW&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;IF&#39;</span><span class="p">,</span> <span class="s1">&#39;UNLESS&#39;</span><span class="p">,</span> <span class="s1">&#39;ELSE&#39;</span><span class="p">,</span> <span class="s1">&#39;FOR&#39;</span><span class="p">,</span> <span class="s1">&#39;WHILE&#39;</span><span class="p">,</span> <span class="s1">&#39;UNTIL&#39;</span><span class="p">,</span> <span class="s1">&#39;LOOP&#39;</span><span class="p">,</span> <span class="s1">&#39;SUPER&#39;</span><span class="p">,</span> <span class="s1">&#39;CLASS&#39;</span><span class="p">,</span> <span class="s1">&#39;EXTENDS&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;=&#39;</span><span class="p">,</span> <span class="s1">&#39;:&#39;</span><span class="p">,</span> <span class="s1">&#39;RETURN&#39;</span><span class="p">]</span>
+  <span class="p">[</span><span class="s2">&quot;right&quot;</span><span class="p">,</span>     <span class="s1">&#39;-&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;=&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;UNLESS&#39;</span><span class="p">,</span> <span class="s1">&#39;POST_IF&#39;</span><span class="p">,</span> <span class="s1">&#39;POST_UNLESS&#39;</span><span class="p">]</span>
+<span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-69">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-69">#</a>               </div>               <h2>Wrapping Up</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-70">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-70">#</a>               </div>               <p>Finally, now what we have our <strong>grammar</strong> and our <strong>operators</strong>, we can create
+our <strong>Jison.Parser</strong>. We do this by processing all of our rules, recording all
+terminals (every symbol which does not appear as the name of a rule above)
+as "tokens".</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">tokens = </span><span class="p">[]</span>
+<span class="k">for</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">alternatives</span> <span class="k">of</span> <span class="nx">grammar</span>
+  <span class="nx">grammar</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="k">for</span> <span class="nx">alt</span> <span class="k">in</span> <span class="nx">alternatives</span>
+    <span class="k">for</span> <span class="nx">token</span> <span class="k">in</span> <span class="nx">alt</span><span class="p">[</span><span class="mi">0</span><span class="p">].</span><span class="nx">split</span> <span class="s1">&#39; &#39;</span>
+      <span class="nx">tokens</span><span class="p">.</span><span class="nx">push</span> <span class="nx">token</span> <span class="nx">unless</span> <span class="nx">grammar</span><span class="p">[</span><span class="nx">token</span><span class="p">]</span>
+    <span class="nx">alt</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;return #{alt[1]}&quot;</span> <span class="k">if</span> <span class="nx">name</span> <span class="o">is</span> <span class="s1">&#39;Root&#39;</span>
+    <span class="nx">alt</span></pre></div>             </td>           </tr>                               <tr id="section-71">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-71">#</a>               </div>               <p>Initialize the <strong>Parser</strong> with our list of terminal <strong>tokens</strong>, our <strong>grammar</strong>
+rules, and the name of the root. Reverse the operators because Jison orders
+precedence from low to high, and we have it high to low
+(as in <a href="http://dinosaur.compilertools.net/yacc/index.html">Yacc</a>).</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.parser = </span><span class="k">new</span> <span class="nx">Parser</span>
+  <span class="nx">tokens</span><span class="o">:</span>       <span class="nx">tokens</span><span class="p">.</span><span class="nx">join</span> <span class="s1">&#39; &#39;</span>
+  <span class="nx">bnf</span><span class="o">:</span>          <span class="nx">grammar</span>
+  <span class="nx">operators</span><span class="o">:</span>    <span class="nx">operators</span><span class="p">.</span><span class="nx">reverse</span><span class="p">()</span>
+  <span class="nx">startSymbol</span><span class="o">:</span>  <span class="s1">&#39;Root&#39;</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/helpers.html

@@ -0,0 +1,38 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>Set up exported variables for both <strong>Node.js</strong> and the browser.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">this</span><span class="p">.</span><span class="nv">exports = </span><span class="k">this</span> <span class="nx">unless</span> <span class="nx">process</span><span class="o">?</span>
+<span class="nv">helpers = exports.helpers = </span><span class="p">{}</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>Cross-browser indexOf, so that IE can join the party.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">helpers.indexOf = indexOf = </span><span class="p">(</span><span class="nx">array</span><span class="p">,</span> <span class="nx">item</span><span class="p">,</span> <span class="nx">from</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="k">return</span> <span class="nx">array</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">item</span><span class="p">,</span> <span class="nx">from</span> <span class="k">if</span> <span class="nx">array</span><span class="p">.</span><span class="nx">indexOf</span>
+  <span class="k">for</span> <span class="nx">other</span><span class="p">,</span> <span class="nx">index</span> <span class="k">in</span> <span class="nx">array</span>
+    <span class="k">if</span> <span class="nx">other</span> <span class="o">is</span> <span class="nx">item</span> <span class="o">and</span> <span class="p">(</span><span class="o">not</span> <span class="nx">from</span> <span class="o">or</span> <span class="p">(</span><span class="nx">from</span> <span class="o">&lt;=</span> <span class="nx">index</span><span class="p">))</span>
+      <span class="k">return</span> <span class="nx">index</span>
+  <span class="o">-</span><span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>Does a list include a value?</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">helpers.include = include = </span><span class="p">(</span><span class="nx">list</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">indexOf</span><span class="p">(</span><span class="nx">list</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">&gt;=</span> <span class="mi">0</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</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">helpers.starts = starts = </span><span class="p">(</span><span class="nx">string</span><span class="p">,</span> <span class="nx">literal</span><span class="p">,</span> <span class="nx">start</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nx">string</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="nx">start</span><span class="p">,</span> <span class="p">(</span><span class="nx">start</span> <span class="o">or</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="nx">literal</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="o">is</span> <span class="nx">literal</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</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">helpers.ends = ends = </span><span class="p">(</span><span class="nx">string</span><span class="p">,</span> <span class="nx">literal</span><span class="p">,</span> <span class="nx">back</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">start = </span><span class="nx">string</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">literal</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">?</span> <span class="mi">0</span><span class="p">)</span>
+  <span class="nx">string</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="nx">start</span><span class="p">,</span> <span class="nx">start</span> <span class="o">+</span> <span class="nx">literal</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="o">is</span> <span class="nx">literal</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>Trim out all falsy values from an array.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">helpers.compact = compact = </span><span class="p">(</span><span class="nx">array</span><span class="p">)</span> <span class="o">-&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-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</a>               </div>               <p>Count the number of occurences of a character in a string.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">helpers.count = count = </span><span class="p">(</span><span class="nx">string</span><span class="p">,</span> <span class="nx">letter</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">num = </span><span class="mi">0</span>
+  <span class="nv">pos = </span><span class="nx">indexOf</span> <span class="nx">string</span><span class="p">,</span> <span class="nx">letter</span>
+  <span class="k">while</span> <span class="nx">pos</span> <span class="o">isnt</span> <span class="o">-</span><span class="mi">1</span>
+    <span class="nx">num</span> <span class="o">+=</span> <span class="mi">1</span>
+    <span class="nv">pos = </span><span class="nx">indexOf</span> <span class="nx">string</span><span class="p">,</span> <span class="nx">letter</span><span class="p">,</span> <span class="nx">pos</span> <span class="o">+</span> <span class="mi">1</span>
+  <span class="nx">num</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</a>               </div>               <p>Merge objects, returning a fresh copy with attributes from both sides.
+Used every time <code>BaseNode#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">helpers.merge = merge = </span><span class="p">(</span><span class="nx">options</span><span class="p">,</span> <span class="nx">overrides</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">fresh = </span><span class="p">{}</span>
+  <span class="p">(</span><span class="nx">fresh</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="p">)</span> <span class="k">for</span> <span class="nx">all</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">options</span>
+  <span class="p">(</span><span class="nx">fresh</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="p">)</span> <span class="k">for</span> <span class="nx">all</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">overrides</span> <span class="k">if</span> <span class="nx">overrides</span>
+  <span class="nx">fresh</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</a>               </div>               <p>Extend a source object with the properties of another object (shallow copy).
+We use this to simulate Node's deprecated <code>process.mixin</code></p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">helpers.extend = extend = </span><span class="p">(</span><span class="nx">object</span><span class="p">,</span> <span class="nx">properties</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="p">(</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="p">)</span> <span class="k">for</span> <span class="nx">all</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></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-11">#</a>               </div>               <p>Return a completely 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">helpers.flatten = flatten = </span><span class="p">(</span><span class="nx">array</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">memo = </span><span class="p">[]</span>
+  <span class="k">for</span> <span class="nx">item</span> <span class="k">in</span> <span class="nx">array</span>
+    <span class="k">if</span> <span class="nx">item</span> <span class="k">instanceof</span> <span class="nb">Array</span> <span class="k">then</span> <span class="nv">memo = </span><span class="nx">memo</span><span class="p">.</span><span class="nx">concat</span><span class="p">(</span><span class="nx">item</span><span class="p">)</span> <span class="k">else</span> <span class="nx">memo</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">item</span><span class="p">)</span>
+  <span class="nx">memo</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-12">#</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">helpers.del = del = </span><span class="p">(</span><span class="nx">obj</span><span class="p">,</span> <span class="nx">key</span><span class="p">)</span> <span class="o">-&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>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/index.html

@@ -0,0 +1,3 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</a>               </div>               <p>Loader for CoffeeScript as a Node.js library.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="p">(</span><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="p">)</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>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/optparse.html

@@ -0,0 +1,75 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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
+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="nx">class</span> <span class="nx">OptionParser</span></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>Initialize with a list of valid options, in the form:</p>
+
+<pre><code>[short-flag, long-flag, description]
+</code></pre>
+
+<p>Along with an an optional banner for the usage help.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">constructor</span><span class="o">:</span> <span class="p">(</span><span class="nx">rules</span><span class="p">,</span> <span class="nx">banner</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="vi">@banner = </span><span class="nx">banner</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="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>Parse the list of arguments, populating an <code>options</code> object with all of the
+specified options, and returning it. <code>options.arguments</code> will be an array
+containing the remaning non-option 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="nx">parse</span><span class="o">:</span> <span class="p">(</span><span class="nx">args</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nv">options = </span><span class="nx">arguments</span><span class="o">:</span> <span class="p">[]</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="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>
+      <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="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">hasArgument</span> <span class="k">then</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="k">else</span> <span class="kc">true</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="o">not</span> <span class="nx">isOption</span>
+        <span class="nv">options.arguments = </span><span class="nx">args</span><span class="p">[</span><span class="nx">i</span><span class="p">...</span><span class="nx">args</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span>
+        <span class="k">break</span>
+    <span class="nx">options</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</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="nx">help</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nv">lines = </span><span class="p">[</span><span class="s1">&#39;Available options:&#39;</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="p">(</span><span class="s1">&#39; &#39;</span> <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">spaces</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-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</a>               </div>               <h2>Helpers</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</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-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</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="p">(</span><span class="nx">rules</span><span class="p">)</span> <span class="o">-&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-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</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="p">(</span><span class="nx">shortFlag</span><span class="p">,</span> <span class="nx">longFlag</span><span class="p">,</span> <span class="nx">description</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-&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="nx">options</span> <span class="o">or=</span> <span class="p">{}</span>
+  <span class="p">{</span>
+    <span class="nx">name</span><span class="o">:</span>         <span class="nx">longFlag</span><span class="p">.</span><span class="nx">substr</span> <span class="mi">2</span>
+    <span class="nx">shortFlag</span><span class="o">:</span>    <span class="nx">shortFlag</span>
+    <span class="nx">longFlag</span><span class="o">:</span>     <span class="nx">longFlag</span>
+    <span class="nx">description</span><span class="o">:</span>  <span class="nx">description</span>
+    <span class="nx">hasArgument</span><span class="o">:</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="nx">isList</span><span class="o">:</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-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</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="p">(</span><span class="nx">args</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="nv">args = </span><span class="nx">args</span><span class="p">.</span><span class="nx">slice</span> <span class="mi">0</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>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/repl.html

@@ -0,0 +1,23 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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>
+
+<pre><code>coffee&gt; puts "#{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="octowrap">                 <a class="octothorpe" href="#section-2">#</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">helpers      = </span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;./helpers&#39;</span><span class="p">).</span><span class="nx">helpers</span>
+<span class="nv">readline     = </span><span class="nx">require</span> <span class="s1">&#39;readline&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>Start by opening up <strong>stdio</strong>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">stdio = </span><span class="nx">process</span><span class="p">.</span><span class="nx">openStdin</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>Quick alias for quitting the REPL.</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> <span class="nx">quit</span><span class="o">:</span> <span class="o">-&gt;</span> <span class="nx">process</span><span class="p">.</span><span class="nx">exit</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</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="p">(</span><span class="nx">buffer</span><span class="p">)</span> <span class="o">-&gt;</span>
+  <span class="k">try</span>
+    <span class="nv">val = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">noWrap</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">globals</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span> <span class="nx">fileName</span><span class="o">:</span> <span class="s1">&#39;repl&#39;</span>
+    <span class="nx">puts</span> <span class="nx">inspect</span> <span class="nx">val</span> <span class="k">if</span> <span class="nx">val</span> <span class="o">isnt</span> <span class="kc">undefined</span>
+  <span class="k">catch</span> <span class="nx">err</span>
+    <span class="nx">puts</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="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</a>               </div>               <p>Create the REPL by listening to <strong>stdin</strong>.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">repl = </span><span class="nx">readline</span><span class="p">.</span><span class="nx">createInterface</span> <span class="nx">stdio</span>
+<span class="nx">repl</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="s1">&#39;coffee&gt; &#39;</span>
+<span class="nx">stdio</span><span class="p">.</span><span class="kc">on</span> <span class="s1">&#39;data&#39;</span><span class="p">,</span>   <span class="p">(</span><span class="nx">buffer</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">repl</span><span class="p">.</span><span class="nx">write</span> <span class="nx">buffer</span>
+<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">stdio</span><span class="p">.</span><span class="nx">destroy</span><span class="p">()</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="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">()</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/rewriter.html

@@ -0,0 +1,257 @@
+<!DOCTYPE html>  <html> <head>   <title>rewriter.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="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>               rewriter.coffee             </h1>           </th>           <th class="code">           </th>         </tr>       </thead>       <tbody>                               <tr id="section-1">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-1">#</a>               </div>               <p>The CoffeeScript language has a good deal of optional syntax, implicit syntax,
+and shorthand syntax. This can greatly complicate a grammar and bloat
+the resulting parse table. Instead of making the parser handle it all, we take
+a series of passes over the token stream, using this <strong>Rewriter</strong> to convert
+shorthand into the unambiguous long form, add implicit indentation and
+parentheses, balance incorrect nestings, and generally clean things up.</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-2">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>Set up exported variables for both Node.js and the browser.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">if</span> <span class="nx">process</span><span class="o">?</span>
+  <span class="p">{</span><span class="nx">helpers</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">&#39;./helpers&#39;</span><span class="p">)</span>
+<span class="k">else</span>
+  <span class="k">this</span><span class="p">.</span><span class="nv">exports = </span><span class="k">this</span>
+  <span class="nv">helpers      = </span><span class="k">this</span><span class="p">.</span><span class="nx">helpers</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>Import the helpers we need.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="p">{</span><span class="nx">include</span><span class="p">}</span> <span class="o">=</span> <span class="nx">helpers</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>The <strong>Rewriter</strong> class is used by the <a href="lexer.html">Lexer</a>, directly against
+its internal array of tokens.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">exports.Rewriter = </span><span class="nx">class</span> <span class="nx">Rewriter</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</a>               </div>               <p>Helpful snippet for debugging:
+    puts (t[0] + '/' + t[1] for t in @tokens).join ' '</p>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</a>               </div>               <p>Rewrite the token stream in multiple passes, one logical filter at
+a time. This could certainly be changed into a single pass through the
+stream, with a big ol' efficient switch, but it's much nicer to work with
+like this. The order of these passes matters -- indentation must be
+corrected before implicit parentheses can be wrapped around blocks of code.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">rewrite</span><span class="o">:</span> <span class="p">(</span><span class="nx">tokens</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="vi">@tokens = </span><span class="nx">tokens</span>
+    <span class="nx">@adjustComments</span><span class="p">()</span>
+    <span class="nx">@removeLeadingNewlines</span><span class="p">()</span>
+    <span class="nx">@removeMidExpressionNewlines</span><span class="p">()</span>
+    <span class="nx">@closeOpenCalls</span><span class="p">()</span>
+    <span class="nx">@closeOpenIndexes</span><span class="p">()</span>
+    <span class="nx">@addImplicitIndentation</span><span class="p">()</span>
+    <span class="nx">@addImplicitBraces</span><span class="p">()</span>
+    <span class="nx">@tagPostfixConditionals</span><span class="p">()</span>
+    <span class="nx">@addImplicitParentheses</span><span class="p">()</span>
+    <span class="nx">@ensureBalance</span> <span class="nx">BALANCED_PAIRS</span>
+    <span class="nx">@rewriteClosingParens</span><span class="p">()</span>
+    <span class="nx">@tokens</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</a>               </div>               <p>Rewrite the token stream, looking one token ahead and behind.
+Allow the return value of the block to tell us how many tokens to move
+forwards (or backwards) in the stream, to make sure we don't miss anything
+as tokens are inserted and removed, and the stream changes length under
+our feet.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">scanTokens</span><span class="o">:</span> <span class="p">(</span><span class="nx">block</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nv">i = </span><span class="mi">0</span>
+    <span class="nx">loop</span>
+      <span class="k">break</span> <span class="nx">unless</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span>
+      <span class="nv">move = </span><span class="nx">block</span><span class="p">.</span><span class="nx">call</span> <span class="k">this</span><span class="p">,</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="nx">i</span>
+      <span class="nx">i</span> <span class="o">+=</span> <span class="nx">move</span>
+    <span class="kc">true</span>
+
+  <span class="nx">detectEnd</span><span class="o">:</span> <span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nv">levels = </span><span class="mi">0</span>
+    <span class="nx">loop</span>
+      <span class="nv">token = </span><span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span>
+      <span class="k">return</span> <span class="nx">action</span><span class="p">.</span><span class="nx">call</span> <span class="k">this</span><span class="p">,</span> <span class="nx">token</span><span class="p">,</span> <span class="nx">i</span>     <span class="k">if</span> <span class="nx">levels</span> <span class="o">is</span> <span class="mi">0</span> <span class="o">and</span> <span class="nx">condition</span><span class="p">.</span><span class="nx">call</span> <span class="k">this</span><span class="p">,</span> <span class="nx">token</span><span class="p">,</span> <span class="nx">i</span>
+      <span class="k">return</span> <span class="nx">action</span><span class="p">.</span><span class="nx">call</span> <span class="k">this</span><span class="p">,</span> <span class="nx">token</span><span class="p">,</span> <span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">if</span> <span class="o">not</span> <span class="nx">token</span> <span class="o">or</span> <span class="nx">levels</span> <span class="o">&lt;</span> <span class="mi">0</span>
+      <span class="nx">levels</span> <span class="o">+=</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_START</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+      <span class="nx">levels</span> <span class="o">-=</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_END</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+      <span class="nx">i</span> <span class="o">+=</span> <span class="mi">1</span>
+    <span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</a>               </div>               <p>Massage newlines and indentations so that comments don't have to be
+correctly indented, or appear on a line of their own.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">adjustComments</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;HERECOMMENT&#39;</span>
+      <span class="p">[</span><span class="nx">before</span><span class="p">,</span> <span class="nx">prev</span><span class="p">,</span> <span class="nx">post</span><span class="p">,</span> <span class="nx">after</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">2</span><span class="p">],</span> <span class="nx">@tokens</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">@tokens</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">@tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">]]</span>
+      <span class="k">if</span> <span class="nx">after</span> <span class="o">and</span> <span class="nx">after</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;INDENT&#39;</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">1</span>
+        <span class="k">if</span> <span class="nx">before</span> <span class="o">and</span> <span class="nx">before</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;OUTDENT&#39;</span> <span class="o">and</span> <span class="nx">post</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="nx">post</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;TERMINATOR&#39;</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">-</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">1</span>
+        <span class="k">else</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">after</span>
+      <span class="k">else</span> <span class="k">if</span> <span class="nx">prev</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">not</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;INDENT&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">]</span>
+        <span class="k">if</span> <span class="nx">post</span> <span class="o">and</span> <span class="nx">post</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;TERMINATOR&#39;</span> <span class="o">and</span> <span class="nx">after</span> <span class="o">and</span> <span class="nx">after</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;OUTDENT&#39;</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">2</span><span class="p">)...)</span>
+          <span class="k">if</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">&#39;TERMINATOR&#39;</span>
+            <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s2">&quot;\n&quot;</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="k">else</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s2">&quot;\n&quot;</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="k">return</span> <span class="mi">2</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</a>               </div>               <p>Leading newlines would introduce an ambiguity in the grammar, so we
+dispatch them here.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">removeLeadingNewlines</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@tokens</span><span class="p">.</span><span class="nx">shift</span><span class="p">()</span> <span class="k">while</span> <span class="nx">@tokens</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">and</span> <span class="nx">@tokens</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;TERMINATOR&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</a>               </div>               <p>Some blocks occur in the middle of expressions -- when we're expecting
+this, remove their trailing newlines.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">removeMidExpressionNewlines</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">include</span><span class="p">(</span><span class="nx">EXPRESSION_CLOSE</span><span class="p">,</span> <span class="nx">@tag</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="o">and</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;TERMINATOR&#39;</span>
+      <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">1</span>
+      <span class="k">return</span> <span class="mi">0</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-11">#</a>               </div>               <p>The lexer has tagged the opening parenthesis of a method call. Match it with
+its paired close.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">closeOpenCalls</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;CALL_START&#39;</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;)&#39;</span><span class="p">,</span> <span class="s1">&#39;CALL_END&#39;</span><span class="p">]</span>
+        <span class="nv">action    = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;CALL_END&#39;</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-12">#</a>               </div>               <p>The lexer has tagged the opening parenthesis of an indexing operation call.
+Match it with its paired close.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">closeOpenIndexes</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;INDEX_START&#39;</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;]&#39;</span><span class="p">,</span> <span class="s1">&#39;INDEX_END&#39;</span><span class="p">]</span>
+        <span class="nv">action    = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;INDEX_END&#39;</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-13">#</a>               </div>               <p>Object literals may be written with implicit braces, for simple cases.
+Insert the missing braces here, so that the parser doesn't have to.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">addImplicitBraces</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nv">stack = </span><span class="p">[]</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_START</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+        <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="k">if</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;INDENT&#39;</span> <span class="o">and</span> <span class="p">(</span><span class="nx">@tag</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="o">is</span> <span class="s1">&#39;{&#39;</span><span class="p">))</span> <span class="k">then</span> <span class="s1">&#39;{&#39;</span> <span class="k">else</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
+      <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_END</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+        <span class="nx">stack</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
+      <span class="nv">last = </span><span class="nx">stack</span><span class="p">[</span><span class="nx">stack</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">if</span> <span class="nx">token</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="o">and</span> <span class="p">(</span><span class="o">not</span> <span class="nx">last</span> <span class="o">or</span> <span class="nx">last</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">&#39;{&#39;</span><span class="p">)</span>
+        <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span> <span class="s1">&#39;{&#39;</span>
+        <span class="nv">idx = </span><span class="k">if</span> <span class="nx">@tag</span><span class="p">(</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;@&#39;</span> <span class="k">then</span> <span class="nx">i</span> <span class="o">-</span> <span class="mi">2</span> <span class="k">else</span> <span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span>
+        <span class="nv">tok = </span><span class="p">[</span><span class="s1">&#39;{&#39;</span><span class="p">,</span> <span class="s1">&#39;{&#39;</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="nv">tok.generated = </span><span class="kc">yes</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">idx</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">tok</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="p">[</span><span class="nx">one</span><span class="p">,</span> <span class="nx">two</span><span class="p">,</span> <span class="nx">three</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@tokens</span><span class="p">.</span><span class="nx">slice</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">i</span> <span class="o">+</span> <span class="mi">4</span><span class="p">)</span>
+          <span class="k">return</span> <span class="kc">false</span> <span class="k">if</span> <span class="s1">&#39;HERECOMMENT&#39;</span> <span class="k">in</span> <span class="p">[</span><span class="nx">@tag</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">@tag</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="p">((</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">])</span> <span class="o">and</span> <span class="o">not</span> <span class="p">((</span><span class="nx">two</span> <span class="o">and</span> <span class="nx">two</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="p">)</span> <span class="o">or</span> <span class="p">(</span><span class="nx">one</span> <span class="o">and</span> <span class="nx">one</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="o">and</span> <span class="nx">three</span> <span class="o">and</span> <span class="nx">three</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="p">)))</span> <span class="o">or</span>
+            <span class="p">(</span><span class="nx">token</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="o">and</span> <span class="nx">one</span> <span class="o">and</span> <span class="p">(</span><span class="nx">one</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">not</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;IDENTIFIER&#39;</span><span class="p">,</span> <span class="s1">&#39;STRING&#39;</span><span class="p">,</span> <span class="s1">&#39;@&#39;</span><span class="p">,</span> <span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">]))</span>
+        <span class="nv">action = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;}&#39;</span><span class="p">,</span> <span class="s1">&#39;}&#39;</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+        <span class="k">return</span> <span class="mi">2</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-14">#</a>               </div>               <p>Methods may be optionally called without parentheses, for simple cases.
+Insert the implicit parentheses here, so that the parser doesn't have to
+deal with them.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">addImplicitParentheses</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nv">classLine    = </span><span class="kc">no</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="nv">classLine  = </span><span class="kc">yes</span> <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;CLASS&#39;</span>
+      <span class="nv">prev       = </span><span class="nx">@tokens</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="nv">next       = </span><span class="nx">@tokens</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="nv">idx        = </span><span class="mi">1</span>
+      <span class="nv">callObject = </span><span class="o">not</span> <span class="nx">classLine</span> <span class="o">and</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;INDENT&#39;</span> <span class="o">and</span> <span class="nx">next</span> <span class="o">and</span> <span class="nx">next</span><span class="p">.</span><span class="nx">generated</span> <span class="o">and</span> <span class="nx">next</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="o">and</span> <span class="nx">prev</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_FUNC</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
+      <span class="nv">idx        = </span><span class="mi">2</span> <span class="k">if</span> <span class="nx">callObject</span>
+      <span class="nv">classLine  = </span><span class="kc">no</span>  <span class="k">if</span> <span class="nx">include</span><span class="p">(</span><span class="nx">LINEBREAKS</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
+      <span class="k">if</span> <span class="nx">prev</span> <span class="o">and</span> <span class="p">(</span><span class="nx">prev</span><span class="p">.</span><span class="nx">spaced</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_FUNC</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_CALL</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span>
+          <span class="o">not</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;UNARY&#39;</span> <span class="o">and</span> <span class="p">(</span><span class="nx">@tag</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="k">in</span> <span class="p">[</span><span class="s1">&#39;IN&#39;</span><span class="p">,</span> <span class="s1">&#39;OF&#39;</span><span class="p">,</span> <span class="s1">&#39;INSTANCEOF&#39;</span><span class="p">])))</span> <span class="o">or</span> <span class="nx">callObject</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;CALL_START&#39;</span><span class="p">,</span> <span class="s1">&#39;(&#39;</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="p">(</span><span class="o">not</span> <span class="nx">token</span><span class="p">.</span><span class="nx">generated</span> <span class="o">and</span> <span class="nx">@tokens</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="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">&#39;,&#39;</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_END</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span>
+            <span class="o">not</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;INDENT&#39;</span> <span class="o">and</span> <span class="p">(</span><span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_BLOCK</span><span class="p">,</span> <span class="nx">@tag</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="o">or</span> <span class="nx">@tag</span><span class="p">(</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;CLASS&#39;</span><span class="p">)))</span> <span class="o">or</span>
+            <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;PROPERTY_ACCESS&#39;</span> <span class="o">and</span> <span class="nx">@tag</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="o">is</span> <span class="s1">&#39;OUTDENT&#39;</span>
+        <span class="nv">action = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="nv">idx = </span><span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;OUTDENT&#39;</span> <span class="k">then</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">i</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">idx</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;CALL_END&#39;</span><span class="p">,</span> <span class="s1">&#39;)&#39;</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="nx">idx</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+        <span class="k">return</span> <span class="mi">2</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-15">#</a>               </div>               <p>Because our grammar is LALR(1), it can't handle some single-line
+expressions that lack ending delimiters. The <strong>Rewriter</strong> adds the implicit
+blocks, so it doesn't need to. ')' can close a single-line block,
+but we need to make sure it's balanced.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">addImplicitIndentation</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;ELSE&#39;</span> <span class="o">and</span> <span class="nx">@tag</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="o">isnt</span> <span class="s1">&#39;OUTDENT&#39;</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">@indentation</span><span class="p">(</span><span class="nx">token</span><span class="p">)...</span>
+        <span class="k">return</span> <span class="mi">2</span>
+      <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;CATCH&#39;</span> <span class="o">and</span>
+          <span class="p">(</span><span class="nx">@tag</span><span class="p">(</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;TERMINATOR&#39;</span> <span class="o">or</span> <span class="nx">@tag</span><span class="p">(</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">&#39;FINALLY&#39;</span><span class="p">)</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">@indentation</span><span class="p">(</span><span class="nx">token</span><span class="p">)...</span>
+        <span class="k">return</span> <span class="mi">4</span>
+      <span class="k">if</span> <span class="nx">include</span><span class="p">(</span><span class="nx">SINGLE_LINERS</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">@tag</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="o">isnt</span> <span class="s1">&#39;INDENT&#39;</span> <span class="o">and</span>
+          <span class="o">not</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;ELSE&#39;</span> <span class="o">and</span> <span class="nx">@tag</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="o">is</span> <span class="s1">&#39;IF&#39;</span><span class="p">)</span>
+        <span class="nv">starter = </span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+        <span class="p">[</span><span class="nx">indent</span><span class="p">,</span> <span class="nx">outdent</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@indentation</span> <span class="nx">token</span>
+        <span class="nv">indent.generated = outdent.generated = </span><span class="kc">true</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">indent</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="p">(</span><span class="nx">include</span><span class="p">(</span><span class="nx">SINGLE_CLOSERS</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">token</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="o">and</span>
+            <span class="o">not</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;ELSE&#39;</span> <span class="o">and</span> <span class="nx">starter</span> <span class="o">not</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;IF&#39;</span><span class="p">,</span> <span class="s1">&#39;THEN&#39;</span><span class="p">])</span>
+        <span class="nv">action = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="nv">idx = </span><span class="k">if</span> <span class="nx">@tokens</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="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">i</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">i</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">idx</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">outdent</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+        <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;THEN&#39;</span>
+        <span class="k">return</span> <span class="mi">2</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-16">#</a>               </div>               <p>Tag postfix conditionals as such, so that we can parse them with a
+different precedence.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">tagPostfixConditionals</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;IF&#39;</span><span class="p">,</span> <span class="s1">&#39;UNLESS&#39;</span><span class="p">]</span>
+        <span class="nv">original  = </span><span class="nx">token</span>
+        <span class="nv">condition = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">in</span> <span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;INDENT&#39;</span><span class="p">]</span>
+        <span class="nv">action    = </span><span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+          <span class="nx">original</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;POST_&#39;</span> <span class="o">+</span> <span class="nx">original</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">&#39;INDENT&#39;</span>
+        <span class="nx">@detectEnd</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">condition</span><span class="p">,</span> <span class="nx">action</span>
+        <span class="k">return</span> <span class="mi">1</span>
+      <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-17">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-17">#</a>               </div>               <p>Ensure that all listed pairs of tokens are correctly balanced throughout
+the course of the token stream.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">ensureBalance</span><span class="o">:</span> <span class="p">(</span><span class="nx">pairs</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nv">levels   = </span><span class="p">{}</span>
+    <span class="nv">openLine = </span><span class="p">{}</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="k">for</span> <span class="nx">pair</span> <span class="k">in</span> <span class="nx">pairs</span>
+        <span class="p">[</span><span class="nx">open</span><span class="p">,</span> <span class="nx">close</span><span class="p">]</span> <span class="o">=</span> <span class="nx">pair</span>
+        <span class="nx">levels</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">or=</span> <span class="mi">0</span>
+        <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="nx">open</span>
+          <span class="nx">openLine</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">=</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="nx">levels</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span>
+          <span class="nx">levels</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
+        <span class="nx">levels</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">-=</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="nx">close</span>
+        <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s2">&quot;too many #{token[1]} on line #{token[2] + 1}&quot;</span><span class="p">)</span> <span class="k">if</span> <span class="nx">levels</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">0</span>
+      <span class="k">return</span> <span class="mi">1</span>
+    <span class="nv">unclosed = </span><span class="nx">key</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">value</span> <span class="k">of</span> <span class="nx">levels</span> <span class="k">when</span> <span class="nx">value</span> <span class="o">&gt;</span> <span class="mi">0</span>
+    <span class="k">if</span> <span class="nx">unclosed</span><span class="p">.</span><span class="nx">length</span>
+      <span class="nv">open = </span><span class="nx">unclosed</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+      <span class="nv">line = </span><span class="nx">openLine</span><span class="p">[</span><span class="nx">open</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span>
+      <span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">&quot;unclosed #{open} on line #{line}&quot;</span></pre></div>             </td>           </tr>                               <tr id="section-18">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-18">#</a>               </div>               <p>We'd like to support syntax like this:</p>
+
+<pre><code>el.click((event) -&gt;
+  el.hide())
+</code></pre>
+
+<p>In order to accomplish this, move outdents that follow closing parens
+inwards, safely. The steps to accomplish this are:</p>
+
+<ol>
+<li>Check that all paired tokens are balanced and in order.</li>
+<li>Rewrite the stream with a stack: if you see an <code>EXPRESSION_START</code>, add it
+to the stack. If you see an <code>EXPRESSION_END</code>, pop the stack and replace
+it with the inverse of what we've just popped.</li>
+<li>Keep track of "debt" for tokens that we manufacture, to make sure we end
+up balanced in the end.</li>
+<li>Be careful not to alter array or parentheses delimiters with overzealous
+rewriting.</li>
+</ol>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">rewriteClosingParens</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nv">stack = </span><span class="p">[]</span>
+    <span class="nv">debt  = </span><span class="p">{}</span>
+    <span class="p">(</span><span class="nx">debt</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</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">INVERSES</span>
+    <span class="nx">@scanTokens</span> <span class="p">(</span><span class="nx">token</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+      <span class="nv">tag = </span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+      <span class="nv">inv = </span><span class="nx">INVERSES</span><span class="p">[</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span>
+      <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_START</span><span class="p">,</span> <span class="nx">tag</span>
+        <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span> <span class="nx">token</span>
+        <span class="k">return</span> <span class="mi">1</span>
+      <span class="k">else</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">EXPRESSION_END</span><span class="p">,</span> <span class="nx">tag</span>
+        <span class="k">if</span> <span class="nx">debt</span><span class="p">[</span><span class="nx">inv</span><span class="p">]</span> <span class="o">&gt;</span> <span class="mi">0</span>
+          <span class="nx">debt</span><span class="p">[</span><span class="nx">inv</span><span class="p">]</span> <span class="o">-=</span> <span class="mi">1</span>
+          <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">1</span>
+          <span class="k">return</span> <span class="mi">0</span>
+        <span class="k">else</span>
+          <span class="nv">match = </span><span class="nx">stack</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
+          <span class="nv">mtag  = </span><span class="nx">match</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+          <span class="nv">oppos = </span><span class="nx">INVERSES</span><span class="p">[</span><span class="nx">mtag</span><span class="p">]</span>
+          <span class="k">return</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">tag</span> <span class="o">is</span> <span class="nx">oppos</span>
+          <span class="nx">debt</span><span class="p">[</span><span class="nx">mtag</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
+          <span class="nv">val = </span><span class="p">[</span><span class="nx">oppos</span><span class="p">,</span> <span class="k">if</span> <span class="nx">mtag</span> <span class="o">is</span> <span class="s1">&#39;INDENT&#39;</span> <span class="k">then</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="k">else</span> <span class="nx">oppos</span><span class="p">]</span>
+          <span class="k">if</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">2</span><span class="p">]</span><span class="o">?</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="nx">mtag</span>
+            <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">val</span>
+            <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">match</span><span class="p">)</span>
+          <span class="k">else</span>
+            <span class="nx">@tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">val</span>
+          <span class="k">return</span> <span class="mi">1</span>
+      <span class="k">else</span>
+        <span class="k">return</span> <span class="mi">1</span></pre></div>             </td>           </tr>                               <tr id="section-19">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-19">#</a>               </div>               <p>Generate the indentation tokens, based on another token on the same line.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">indentation</span><span class="o">:</span> <span class="p">(</span><span class="nx">token</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="p">[[</span><span class="s1">&#39;INDENT&#39;</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]],</span> <span class="p">[</span><span class="s1">&#39;OUTDENT&#39;</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]]</span></pre></div>             </td>           </tr>                               <tr id="section-20">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-20">#</a>               </div>               <p>Look up a tag by token index.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">tag</span><span class="o">:</span> <span class="p">(</span><span class="nx">i</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">and</span> <span class="nx">@tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-21">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-21">#</a>               </div>               <h2>Constants</h2>             </td>             <td class="code">               <div class="highlight"><pre></pre></div>             </td>           </tr>                               <tr id="section-22">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-22">#</a>               </div>               <p>List of the token pairs that must be balanced.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">BALANCED_PAIRS = </span><span class="p">[[</span><span class="s1">&#39;(&#39;</span><span class="p">,</span> <span class="s1">&#39;)&#39;</span><span class="p">],</span> <span class="p">[</span><span class="s1">&#39;[&#39;</span><span class="p">,</span> <span class="s1">&#39;]&#39;</span><span class="p">],</span> <span class="p">[</span><span class="s1">&#39;{&#39;</span><span class="p">,</span> <span class="s1">&#39;}&#39;</span><span class="p">],</span> <span class="p">[</span><span class="s1">&#39;INDENT&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">],</span>
+  <span class="p">[</span><span class="s1">&#39;PARAM_START&#39;</span><span class="p">,</span> <span class="s1">&#39;PARAM_END&#39;</span><span class="p">],</span> <span class="p">[</span><span class="s1">&#39;CALL_START&#39;</span><span class="p">,</span> <span class="s1">&#39;CALL_END&#39;</span><span class="p">],</span> <span class="p">[</span><span class="s1">&#39;INDEX_START&#39;</span><span class="p">,</span> <span class="s1">&#39;INDEX_END&#39;</span><span class="p">]]</span></pre></div>             </td>           </tr>                               <tr id="section-23">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-23">#</a>               </div>               <p>The inverse mappings of <code>BALANCED_PAIRS</code> we're trying to fix up, so we can
+look things up from either end.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">INVERSES = </span><span class="p">{}</span>
+<span class="k">for</span> <span class="nx">pair</span> <span class="k">in</span> <span class="nx">BALANCED_PAIRS</span>
+  <span class="nx">INVERSES</span><span class="p">[</span><span class="nx">pair</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="nx">pair</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
+  <span class="nx">INVERSES</span><span class="p">[</span><span class="nx">pair</span><span class="p">[</span><span class="mi">1</span><span class="p">]]</span> <span class="o">=</span> <span class="nx">pair</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-24">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-24">#</a>               </div>               <p>The tokens that signal the start of a balanced pair.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">EXPRESSION_START = </span><span class="nx">pair</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">for</span> <span class="nx">pair</span> <span class="k">in</span> <span class="nx">BALANCED_PAIRS</span></pre></div>             </td>           </tr>                               <tr id="section-25">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-25">#</a>               </div>               <p>The tokens that signal the end of a balanced pair.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">EXPRESSION_END   = </span><span class="nx">pair</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="k">for</span> <span class="nx">pair</span> <span class="k">in</span> <span class="nx">BALANCED_PAIRS</span></pre></div>             </td>           </tr>                               <tr id="section-26">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-26">#</a>               </div>               <p>Tokens that indicate the close of a clause of an expression.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">EXPRESSION_CLOSE = </span><span class="p">[</span><span class="s1">&#39;CATCH&#39;</span><span class="p">,</span> <span class="s1">&#39;WHEN&#39;</span><span class="p">,</span> <span class="s1">&#39;ELSE&#39;</span><span class="p">,</span> <span class="s1">&#39;FINALLY&#39;</span><span class="p">].</span><span class="nx">concat</span> <span class="nx">EXPRESSION_END</span></pre></div>             </td>           </tr>                               <tr id="section-27">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-27">#</a>               </div>               <p>Tokens that, if followed by an <code>IMPLICIT_CALL</code>, indicate a function invocation.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">IMPLICIT_FUNC    = </span><span class="p">[</span><span class="s1">&#39;IDENTIFIER&#39;</span><span class="p">,</span> <span class="s1">&#39;SUPER&#39;</span><span class="p">,</span> <span class="s1">&#39;)&#39;</span><span class="p">,</span> <span class="s1">&#39;CALL_END&#39;</span><span class="p">,</span> <span class="s1">&#39;]&#39;</span><span class="p">,</span> <span class="s1">&#39;INDEX_END&#39;</span><span class="p">,</span> <span class="s1">&#39;@&#39;</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-28">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-28">#</a>               </div>               <p>If preceded by an <code>IMPLICIT_FUNC</code>, indicates a function invocation.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">IMPLICIT_CALL    = </span><span class="p">[</span>
+  <span class="s1">&#39;IDENTIFIER&#39;</span><span class="p">,</span> <span class="s1">&#39;NUMBER&#39;</span><span class="p">,</span> <span class="s1">&#39;STRING&#39;</span><span class="p">,</span> <span class="s1">&#39;JS&#39;</span><span class="p">,</span> <span class="s1">&#39;REGEX&#39;</span><span class="p">,</span> <span class="s1">&#39;NEW&#39;</span><span class="p">,</span> <span class="s1">&#39;PARAM_START&#39;</span><span class="p">,</span> <span class="s1">&#39;CLASS&#39;</span><span class="p">,</span>
+  <span class="s1">&#39;IF&#39;</span><span class="p">,</span> <span class="s1">&#39;UNLESS&#39;</span><span class="p">,</span> <span class="s1">&#39;TRY&#39;</span><span class="p">,</span> <span class="s1">&#39;SWITCH&#39;</span><span class="p">,</span> <span class="s1">&#39;THIS&#39;</span><span class="p">,</span> <span class="s1">&#39;NULL&#39;</span><span class="p">,</span> <span class="s1">&#39;UNARY&#39;</span>
+  <span class="s1">&#39;TRUE&#39;</span><span class="p">,</span> <span class="s1">&#39;FALSE&#39;</span><span class="p">,</span> <span class="s1">&#39;YES&#39;</span><span class="p">,</span> <span class="s1">&#39;NO&#39;</span><span class="p">,</span> <span class="s1">&#39;ON&#39;</span><span class="p">,</span> <span class="s1">&#39;OFF&#39;</span><span class="p">,</span>
+  <span class="s1">&#39;@&#39;</span><span class="p">,</span> <span class="s1">&#39;-&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;=&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;[&#39;</span><span class="p">,</span> <span class="s1">&#39;(&#39;</span><span class="p">,</span> <span class="s1">&#39;{&#39;</span>
+<span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-29">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-29">#</a>               </div>               <p>Tokens indicating that the implicit call must enclose a block of expressions.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">IMPLICIT_BLOCK   = </span><span class="p">[</span><span class="s1">&#39;-&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;=&gt;&#39;</span><span class="p">,</span> <span class="s1">&#39;{&#39;</span><span class="p">,</span> <span class="s1">&#39;[&#39;</span><span class="p">,</span> <span class="s1">&#39;,&#39;</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-30">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-30">#</a>               </div>               <p>Tokens that always mark the end of an implicit call for single-liners.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">IMPLICIT_END     = </span><span class="p">[</span><span class="s1">&#39;POST_IF&#39;</span><span class="p">,</span> <span class="s1">&#39;POST_UNLESS&#39;</span><span class="p">,</span> <span class="s1">&#39;FOR&#39;</span><span class="p">,</span> <span class="s1">&#39;WHILE&#39;</span><span class="p">,</span> <span class="s1">&#39;UNTIL&#39;</span><span class="p">,</span> <span class="s1">&#39;LOOP&#39;</span><span class="p">,</span> <span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;INDENT&#39;</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-31">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-31">#</a>               </div>               <p>Single-line flavors of block expressions that have unclosed endings.
+The grammar can't disambiguate them, so we insert the implicit indentation.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">SINGLE_LINERS    = </span><span class="p">[</span><span class="s1">&#39;ELSE&#39;</span><span class="p">,</span> <span class="s2">&quot;-&gt;&quot;</span><span class="p">,</span> <span class="s2">&quot;=&gt;&quot;</span><span class="p">,</span> <span class="s1">&#39;TRY&#39;</span><span class="p">,</span> <span class="s1">&#39;FINALLY&#39;</span><span class="p">,</span> <span class="s1">&#39;THEN&#39;</span><span class="p">]</span>
+<span class="nv">SINGLE_CLOSERS   = </span><span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;CATCH&#39;</span><span class="p">,</span> <span class="s1">&#39;FINALLY&#39;</span><span class="p">,</span> <span class="s1">&#39;ELSE&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">,</span> <span class="s1">&#39;LEADING_WHEN&#39;</span><span class="p">]</span></pre></div>             </td>           </tr>                               <tr id="section-32">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-32">#</a>               </div>               <p>Tokens that end a line.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nv">LINEBREAKS       = </span><span class="p">[</span><span class="s1">&#39;TERMINATOR&#39;</span><span class="p">,</span> <span class="s1">&#39;INDENT&#39;</span><span class="p">,</span> <span class="s1">&#39;OUTDENT&#39;</span><span class="p">]</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/docs/scope.html

@@ -0,0 +1,48 @@
+<!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="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="octowrap">                 <a class="octothorpe" href="#section-1">#</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="octowrap">                 <a class="octothorpe" href="#section-2">#</a>               </div>               <p>Set up exported variables for both <strong>Node.js</strong> and the browser.</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="k">this</span><span class="p">.</span><span class="nv">exports = </span><span class="k">this</span> <span class="nx">unless</span> <span class="nx">process</span><span class="o">?</span>
+
+<span class="nv">exports.Scope = </span><span class="nx">class</span> <span class="nx">Scope</span></pre></div>             </td>           </tr>                               <tr id="section-3">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-3">#</a>               </div>               <p>The top-level <strong>Scope</strong> object.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">@root</span><span class="o">:</span> <span class="kc">null</span></pre></div>             </td>           </tr>                               <tr id="section-4">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-4">#</a>               </div>               <p>Initialize a scope with its parent, for lookups up the chain,
+as well as a reference to the <strong>Expressions</strong> node is 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="nx">constructor</span><span class="o">:</span> <span class="p">(</span><span class="nx">parent</span><span class="p">,</span> <span class="nx">expressions</span><span class="p">,</span> <span class="nx">method</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="p">[</span><span class="nx">@parent</span><span class="p">,</span> <span class="nx">@expressions</span><span class="p">,</span> <span class="nx">@method</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">parent</span><span class="p">,</span> <span class="nx">expressions</span><span class="p">,</span> <span class="nx">method</span><span class="p">]</span>
+    <span class="vi">@variables = </span><span class="p">{}</span>
+    <span class="k">if</span> <span class="nx">@parent</span>
+      <span class="vi">@tempVar = </span><span class="nx">@parent</span><span class="p">.</span><span class="nx">tempVar</span>
+    <span class="k">else</span>
+      <span class="nv">Scope.root = </span><span class="k">this</span>
+      <span class="vi">@tempVar = </span><span class="s1">&#39;_a&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-5">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-5">#</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="nx">find</span><span class="o">:</span> <span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="nx">@check</span> <span class="nx">name</span>
+    <span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;var&#39;</span>
+    <span class="kc">false</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-6">#</a>               </div>               <p>Test variables and return true the first time fn(v, k) returns true</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">any</span><span class="o">:</span> <span class="p">(</span><span class="nx">fn</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">for</span> <span class="nx">v</span><span class="p">,</span> <span class="nx">k</span> <span class="k">of</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">fn</span><span class="p">(</span><span class="nx">v</span><span class="p">,</span> <span class="nx">k</span><span class="p">)</span>
+      <span class="k">return</span> <span class="kc">true</span>
+    <span class="k">return</span> <span class="kc">false</span></pre></div>             </td>           </tr>                               <tr id="section-7">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-7">#</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="nx">parameter</span><span class="o">:</span> <span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;param&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-8">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-8">#</a>               </div>               <p>Just check to see if a variable has already been declared, without reserving.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">check</span><span class="o">:</span> <span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="k">return</span> <span class="kc">true</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">@variables</span><span class="p">,</span> <span class="nx">name</span>
+    <span class="o">!!</span><span class="p">(</span><span class="nx">@parent</span> <span class="o">and</span> <span class="nx">@parent</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-9">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-9">#</a>               </div>               <p>If we need to store an intermediate result, find an available name for a
+compiler-generated variable. <code>_a</code>, <code>_b</code>, and so on...</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">freeVariable</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="k">while</span> <span class="nx">@check</span> <span class="nx">@tempVar</span>
+      <span class="nv">ordinal = </span><span class="mi">1</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">@tempVar</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="mi">36</span>
+      <span class="vi">@tempVar = </span><span class="s1">&#39;_&#39;</span> <span class="o">+</span> <span class="nx">ordinal</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="p">(</span><span class="sr">/\d/g</span><span class="p">,</span> <span class="s1">&#39;a&#39;</span><span class="p">)</span>
+    <span class="nx">@variables</span><span class="p">[</span><span class="nx">@tempVar</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;var&#39;</span>
+    <span class="nx">@tempVar</span></pre></div>             </td>           </tr>                               <tr id="section-10">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-10">#</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="nx">assign</span><span class="o">:</span> <span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">@variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="nx">value</span><span class="o">:</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">assigned</span><span class="o">:</span> <span class="kc">true</span></pre></div>             </td>           </tr>                               <tr id="section-11">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-11">#</a>               </div>               <p>Does this scope reference any variables that need to be declared in the
+given function body?</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">hasDeclarations</span><span class="o">:</span> <span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">body</span> <span class="o">is</span> <span class="nx">@expressions</span> <span class="o">and</span> <span class="nx">@any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">&#39;var&#39;</span></pre></div>             </td>           </tr>                               <tr id="section-12">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-12">#</a>               </div>               <p>Does this scope reference any assignments that need to be declared at the
+top of the given function body?</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">hasAssignments</span><span class="o">:</span> <span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-&gt;</span>
+    <span class="nx">body</span> <span class="o">is</span> <span class="nx">@expressions</span> <span class="o">and</span> <span class="nx">@any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div>             </td>           </tr>                               <tr id="section-13">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-13">#</a>               </div>               <p>Return the list of variables first declared in this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">declaredVariables</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="p">(</span><span class="nx">key</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">@variables</span> <span class="k">when</span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">&#39;var&#39;</span><span class="p">).</span><span class="nx">sort</span><span class="p">()</span></pre></div>             </td>           </tr>                               <tr id="section-14">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-14">#</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="nx">assignedVariables</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="s2">&quot;#{key} = #{val.value}&quot;</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">@variables</span> <span class="k">when</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div>             </td>           </tr>                               <tr id="section-15">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-15">#</a>               </div>               <p>Compile the JavaScript for all of the variable declarations in this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">compiledDeclarations</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@declaredVariables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">&#39;, &#39;</span></pre></div>             </td>           </tr>                               <tr id="section-16">             <td class="docs">               <div class="octowrap">                 <a class="octothorpe" href="#section-16">#</a>               </div>               <p>Compile the JavaScript for all of the variable assignments in this scope.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nx">compiledAssignments</span><span class="o">:</span> <span class="o">-&gt;</span>
+    <span class="nx">@assignedVariables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">&#39;, &#39;</span>
+
+</pre></div>             </td>           </tr>                </tbody>     </table>   </div> </body> </html> 

documentation/js/aliases.js

@@ -1,14 +1,17 @@
-(function(){
-  var volume;
-  if (ignition === true) {
-    launch();
-  }
-  if (band !== spinal_tap) {
-    volume = 10;
-  }
-  if (!(answer === false)) {
-    let_the_wild_rumpus_begin();
-  }
-  car.speed < speed_limit ? accelerate() : null;
-  print("My name is " + this.name);
-})();
+var volume, winner;
+if (ignition === true) {
+  launch();
+}
+if (band !== SpinalTap) {
+  volume = 10;
+}
+if (answer !== false) {
+  letTheWildRumpusBegin();
+}
+if (car.speed < limit) {
+  accelerate();
+}
+if ((47 === pick || 92 === pick || 13 === pick)) {
+  winner = true;
+}
+print(inspect("My name is " + this.name));

documentation/js/arguments.js

@@ -1,8 +0,0 @@
-(function(){
-  var backwards;
-  backwards = function backwards() {
-    arguments = Array.prototype.slice.call(arguments, 0);
-    return alert(arguments.reverse());
-  };
-  backwards("stairway", "to", "heaven");
-})();

documentation/js/array_comprehensions.js

@@ -1,26 +1,22 @@
-(function(){
-  var _a, _b, _c, _d, _e, _f, _g, food, lunch, roid, roid2;
-  // Eat lunch.
-  lunch = (function() {
-    _a = []; _b = ['toast', 'cheese', 'wine'];
-    for (_c = 0; _c < _b.length; _c++) {
-      food = _b[_c];
-      _a.push(eat(food));
-    }
-    return _a;
-  }).call(this);
-  // Naive collision detection.
-  _d = asteroids;
-  for (_e = 0; _e < _d.length; _e++) {
-    roid = _d[_e];
-    _f = asteroids;
-    for (_g = 0; _g < _f.length; _g++) {
-      roid2 = _f[_g];
-      if (roid !== roid2) {
-        if (roid.overlaps(roid2)) {
-          roid.explode();
-        }
+var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, food, lunch, roid, roid2;
+lunch = (function() {
+  _a = []; _c = ['toast', 'cheese', 'wine'];
+  for (_b = 0, _d = _c.length; _b < _d; _b++) {
+    food = _c[_b];
+    _a.push(eat(food));
+  }
+  return _a;
+})();
+_f = asteroids;
+for (_e = 0, _g = _f.length; _e < _g; _e++) {
+  roid = _f[_e];
+  _i = asteroids;
+  for (_h = 0, _j = _i.length; _h < _j; _h++) {
+    roid2 = _i[_h];
+    if (roid !== roid2) {
+      if (roid.overlaps(roid2)) {
+        roid.explode();
       }
     }
   }
-})();
+}

documentation/js/assignment.js

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

documentation/js/block_comment.js

@@ -0,0 +1,4 @@
+/*
+CoffeeScript Compiler v0.9.2
+Released under the MIT License
+*/

documentation/js/cake_tasks.js

@@ -1,14 +1,10 @@
-(function(){
-  process.mixin(require('assert'));
-  task('test', 'run each of the unit tests', function() {
-    var _a, _b, _c, test;
-    _a = []; _b = test_files;
-    for (_c = 0; _c < _b.length; _c++) {
-      test = _b[_c];
-      _a.push(fs.readFile(test, function(err, code) {
-        return eval(coffee.compile(code));
-      }));
-    }
-    return _a;
-  });
-})();
+var fs;
+fs = require('fs');
+option('-o', '--output [DIR]', 'directory for compiled code');
+task('build:parser', 'rebuild the Jison parser', function(options) {
+  var code, dir;
+  require('jison');
+  code = require('./lib/grammar').parser.generate();
+  dir = options.output || 'lib';
+  return fs.writeFile("" + (dir) + "/parser.js", code);
+});

documentation/js/classes.js

@@ -0,0 +1,36 @@
+var Animal, Horse, Snake, sam, tom;
+var __extends = function(child, parent) {
+    var ctor = function(){};
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor();
+    child.prototype.constructor = child;
+    if (typeof parent.extended === "function") parent.extended(child);
+    child.__super__ = parent.prototype;
+  };
+Animal = function(_a) {
+  this.name = _a;
+  return this;
+};
+Animal.prototype.move = function(meters) {
+  return alert(this.name + " moved " + meters + "m.");
+};
+Snake = function() {
+  return Animal.apply(this, arguments);
+};
+__extends(Snake, Animal);
+Snake.prototype.move = function() {
+  alert("Slithering...");
+  return Snake.__super__.move.call(this, 5);
+};
+Horse = function() {
+  return Animal.apply(this, arguments);
+};
+__extends(Horse, Animal);
+Horse.prototype.move = function() {
+  alert("Galloping...");
+  return Horse.__super__.move.call(this, 45);
+};
+sam = new Snake("Sammy the Python");
+tom = new Horse("Tommy the Palomino");
+sam.move();
+tom.move();

documentation/js/comparisons.js

@@ -1,5 +1,3 @@
-(function(){
-  var cholesterol, healthy;
-  cholesterol = 127;
-  healthy = (200 > cholesterol) && (cholesterol > 60);
-})();
+var cholesterol, healthy;
+cholesterol = 127;
+healthy = (200 > cholesterol) && (cholesterol > 60);

documentation/js/conditionals.js

@@ -1,12 +1,12 @@
-(function(){
-  var date, expensive, mood;
-  if (singing) {
-    mood = greatly_improved;
-  }
-  if (happy && knows_it) {
-    claps_hands();
-    cha_cha_cha();
-  }
-  date = friday ? sue : jill;
-  expensive = expensive || do_the_math();
-})();
+var date, mood, options;
+if (singing) {
+  mood = greatlyImproved;
+}
+if (happy && knowsIt) {
+  clapsHands();
+  chaChaCha();
+} else {
+  showIt();
+}
+date = friday ? sue : jill;
+options || (options = defaults);

documentation/js/embedded.js

@@ -1,6 +1,4 @@
-(function(){
-  var hi;
-  hi = function() {
+var hi;
+hi = function() {
   return [document.title, "Hello JavaScript"].join(": ");
-};
-})();
+};

documentation/js/existence.js

@@ -1,7 +1,5 @@
-(function(){
-  var solipsism, speed;
-  if ((typeof mind !== "undefined" && mind !== null) && !(typeof world !== "undefined" && world !== null)) {
-    solipsism = true;
-  }
-  speed = (typeof speed !== "undefined" && speed !== null) ? speed : 140;
-})();
+var solipsism, speed;
+if ((typeof mind !== "undefined" && mind !== null) && !(typeof world !== "undefined" && world !== null)) {
+  solipsism = true;
+}
+speed = (typeof speed !== "undefined" && speed !== null) ? speed : 140;

documentation/js/expressions.js

@@ -1,13 +1,11 @@
-(function(){
-  var eldest, grade;
-  grade = function grade(student) {
-    if (student.excellent_work) {
-      return "A+";
-    } else if (student.okay_stuff) {
-      return student.tried_hard ? "B" : "B-";
-    } else {
-      return "C";
-    }
-  };
-  eldest = 24 > 21 ? "Liz" : "Ike";
-})();
+var eldest, grade;
+grade = function(student) {
+  if (student.excellentWork) {
+    return "A+";
+  } else if (student.okayStuff) {
+    return student.triedHard ? "B" : "B-";
+  } else {
+    return "C";
+  }
+};
+eldest = 24 > 21 ? "Liz" : "Ike";

documentation/js/expressions_assignment.js

@@ -1,4 +1,2 @@
-(function(){
-  var one, six, three, two;
-  six = ((one = 1)) + ((two = 2)) + ((three = 3));
-})();
+var one, six, three, two;
+six = (one = 1) + (two = 2) + (three = 3);

documentation/js/expressions_comprehension.js

@@ -1,12 +1,11 @@
-(function(){
-  var _a, _b, globals, name;
-  var __hasProp = Object.prototype.hasOwnProperty;
-  // The first ten global properties.
-  globals = (function() {
-    _a = []; _b = window;
-    for (name in _b) { if (__hasProp.call(_b, name)) {
-      _a.push(name);
-    }}
-    return _a;
-  }).call(this).slice(0, 10);
-})();
+var _a, _b, _c, globals, name;
+var __hasProp = Object.prototype.hasOwnProperty;
+globals = (function() {
+  _b = []; _c = window;
+  for (name in _c) {
+    if (!__hasProp.call(_c, name)) continue;
+    _a = _c[name];
+    _b.push(name);
+  }
+  return _b;
+})().slice(0, 10);

documentation/js/expressions_try.js

@@ -1,9 +1,7 @@
-(function(){
-  alert((function() {
-    try {
-      return nonexistent / undefined;
-    } catch (error) {
-      return "And the error is ... " + error;
-    }
-  }).call(this));
-})();
+alert((function() {
+  try {
+    return nonexistent / undefined;
+  } catch (error) {
+    return "And the error is ... " + error;
+  }
+})());

documentation/js/fat_arrow.js

@@ -1,15 +1,11 @@
-(function(){
-  var Account;
-  Account = function Account(customer, cart) {
-    this.customer = customer;
-    this.cart = cart;
-    return $('.shopping_cart').bind('click', (function(__this) {
-      var __func = function(event) {
-        return this.customer.purchase(this.cart);
-      };
-      return (function() {
-        return __func.apply(__this, arguments);
-      });
-    })(this));
+var Account;
+var __bind = function(func, context) {
+    return function(){ return func.apply(context, arguments); };
   };
-})();
+Account = function(customer, cart) {
+  this.customer = customer;
+  this.cart = cart;
+  return $('.shopping_cart').bind('click', __bind(function(event) {
+    return this.customer.purchase(this.cart);
+  }, this));
+};

documentation/js/functions.js

@@ -1,9 +1,7 @@
-(function(){
-  var cube, square;
-  square = function square(x) {
-    return x * x;
-  };
-  cube = function cube(x) {
-    return square(x) * x;
-  };
-})();
+var cube, square;
+square = function(x) {
+  return x * x;
+};
+cube = function(x) {
+  return square(x) * x;
+};

documentation/js/heredocs.js

@@ -1,4 +1,2 @@
-(function(){
-  var html;
-  html = "<strong>\n  cup of coffeescript\n</strong>";
-})();
+var html;
+html = '<strong>\n  cup of coffeescript\n</strong>';

documentation/js/interpolation.js

@@ -0,0 +1,3 @@
+var author, quote;
+author = "Wittgenstein";
+quote = ("A picture is a fact. -- " + (author));

documentation/js/interpolation_expression.js

@@ -0,0 +1,4 @@
+var dates, sentence, sep;
+sentence = ("" + (22 / 7) + " is a decent approximation of π");
+sep = "[.\\/\\- ]";
+dates = (new RegExp("\\d+" + (sep) + "\\d+" + (sep) + "\\d+", "g"));

documentation/js/intro.js

@@ -1,7 +0,0 @@
-(function(){
-
-  // CoffeeScript on the left, JS on the right.
-  var square = function(x) {
-    return x * x;
-  };
-})();

documentation/js/multiple_return_values.js

@@ -1,11 +1,8 @@
-(function(){
-  var _a, city, forecast, temp, weather_report;
-  weather_report = function weather_report(location) {
-    // Make an Ajax request to fetch the weather...
-    return [location, 72, "Mostly Sunny"];
-  };
-  _a = weather_report("Berkeley, CA");
-  city = _a[0];
-  temp = _a[1];
-  forecast = _a[2];
-})();
+var _a, city, forecast, temp, weatherReport;
+weatherReport = function(location) {
+  return [location, 72, "Mostly Sunny"];
+};
+_a = weatherReport("Berkeley, CA");
+city = _a[0];
+temp = _a[1];
+forecast = _a[2];

documentation/js/object_comprehensions.js

@@ -1,17 +1,16 @@
-(function(){
-  var _a, _b, age, ages, child, years_old;
-  var __hasProp = Object.prototype.hasOwnProperty;
-  years_old = {
-    max: 10,
-    ida: 9,
-    tim: 11
-  };
-  ages = (function() {
-    _a = []; _b = years_old;
-    for (child in _b) { if (__hasProp.call(_b, child)) {
-      age = _b[child];
-      _a.push(child + " is " + age);
-    }}
-    return _a;
-  }).call(this);
+var _a, _b, age, ages, child, yearsOld;
+var __hasProp = Object.prototype.hasOwnProperty;
+yearsOld = {
+  max: 10,
+  ida: 9,
+  tim: 11
+};
+ages = (function() {
+  _a = []; _b = yearsOld;
+  for (child in _b) {
+    if (!__hasProp.call(_b, child)) continue;
+    age = _b[child];
+    _a.push(child + " is " + age);
+  }
+  return _a;
 })();

documentation/js/object_extraction.js

@@ -1,17 +1,15 @@
-(function(){
-  var _a, _b, _c, city, futurists, poet, street;
-  futurists = {
-    sculptor: "Umberto Boccioni",
-    painter: "Vladimir Burliuk",
-    poet: {
-      name: "F.T. Marinetti",
-      address: ["Via Roma 42R", "Bellagio, Italy 22021"]
-    }
-  };
-  _a = futurists;
-  _b = _a.poet;
-  poet = _b.name;
-  _c = _b.address;
-  street = _c[0];
-  city = _c[1];
-})();
+var _a, _b, _c, city, futurists, name, street;
+futurists = {
+  sculptor: "Umberto Boccioni",
+  painter: "Vladimir Burliuk",
+  poet: {
+    name: "F.T. Marinetti",
+    address: ["Via Roma 42R", "Bellagio, Italy 22021"]
+  }
+};
+_a = futurists;
+_b = _a.poet;
+name = _b.name;
+_c = _b.address;
+street = _c[0];
+city = _c[1];

documentation/js/objects_and_arrays.js

@@ -1,10 +1,17 @@
-(function(){
-  var ages, matrix, song;
-  song = ["do", "re", "mi", "fa", "so"];
-  ages = {
-    max: 10,
-    ida: 9,
-    tim: 11
-  };
-  matrix = [1, 0, 1, 0, 0, 1, 1, 1, 0];
-})();
+var kids, matrix, singers, song;
+song = ["do", "re", "mi", "fa", "so"];
+singers = {
+  Jagger: "Rock",
+  Elvis: "Roll"
+};
+matrix = [1, 0, 1, 0, 0, 1, 1, 1, 0];
+kids = {
+  brother: {
+    name: "Max",
+    age: 11
+  },
+  sister: {
+    name: "Ida",
+    age: 9
+  }
+};

documentation/js/objects_reserved.js

@@ -0,0 +1,3 @@
+$('.account').css({
+  "class": 'active'
+});

documentation/js/overview.js

@@ -1,43 +1,34 @@
-(function(){
-  var _a, _b, _c, cubed_list, list, math, num, number, opposite_day, race, square;
-  // Assignment:
-  number = 42;
-  opposite_day = true;
-  // Conditions:
-  if (opposite_day) {
-    number = -42;
+var _a, _b, _c, _d, cubes, list, math, num, number, opposite, race, square;
+var __slice = Array.prototype.slice;
+number = 42;
+opposite = true;
+if (opposite) {
+  number = -42;
+}
+square = function(x) {
+  return x * x;
+};
+list = [1, 2, 3, 4, 5];
+math = {
+  root: Math.sqrt,
+  square: square,
+  cube: function(x) {
+    return x * square(x);
   }
-  // Functions:
-  square = function square(x) {
-    return x * x;
-  };
-  // Arrays:
-  list = [1, 2, 3, 4, 5];
-  // Objects:
-  math = {
-    root: Math.sqrt,
-    square: square,
-    cube: function cube(x) {
-      return x * square(x);
-    }
-  };
-  // Splats:
-  race = function race(winner) {
-    var runners;
-    runners = Array.prototype.slice.call(arguments, 1);
-    return print(winner, runners);
-  };
-  // Existence:
-  if ((typeof elvis !== "undefined" && elvis !== null)) {
-    alert("I knew it!");
+};
+race = function(winner) {
+  var runners;
+  runners = __slice.call(arguments, 1);
+  return print(winner, runners);
+};
+if (typeof elvis !== "undefined" && elvis !== null) {
+  alert("I knew it!");
+}
+cubes = (function() {
+  _a = []; _c = list;
+  for (_b = 0, _d = _c.length; _b < _d; _b++) {
+    num = _c[_b];
+    _a.push(math.cube(num));
   }
-  // Array comprehensions:
-  cubed_list = (function() {
-    _a = []; _b = list;
-    for (_c = 0; _c < _b.length; _c++) {
-      num = _b[_c];
-      _a.push(math.cube(num));
-    }
-    return _a;
-  }).call(this);
+  return _a;
 })();

documentation/js/parallel_assignment.js

@@ -1,8 +1,6 @@
-(function(){
-  var _a, and_switch, bait;
-  bait = 1000;
-  and_switch = 0;
-  _a = [and_switch, bait];
-  bait = _a[0];
-  and_switch = _a[1];
-})();
+var _a, theBait, theSwitch;
+theBait = 1000;
+theSwitch = 0;
+_a = [theSwitch, theBait];
+theBait = _a[0];
+theSwitch = _a[1];

documentation/js/patterns_and_splats.js

@@ -0,0 +1,7 @@
+var _a, close, contents, open, tag;
+var __slice = Array.prototype.slice;
+tag = "<impossible>";
+_a = tag.split("");
+open = _a[0];
+contents = __slice.call(_a, 1, _a.length - 1);
+close = _a[_a.length - 1];

documentation/js/prototypes.js

@@ -0,0 +1,3 @@
+String.prototype.dasherize = function() {
+  return this.replace(/_/g, "-");
+};

documentation/js/punctuation.js

@@ -1,8 +0,0 @@
-(function(){
-
-  // Comments start with hash marks. Periods mark the end of a block.
-  var left_hand = raining ? umbrella : parasol;
-  // To signal the beginning of the next expression,
-  // use "then", or a newline.
-  left_hand = raining ? umbrella : parasol;
-})();

documentation/js/range_comprehensions.js

@@ -1,21 +1,19 @@
-(function(){
-  var _a, _b, _c, _d, _e, countdown, egg_delivery, num;
-  countdown = (function() {
-    _a = []; _d = 10; _e = 1;
-    for (_c=0, num=_d; (_d <= _e ? num <= _e : num >= _e); (_d <= _e ? num += 1 : num -= 1), _c++) {
-      _a.push(num);
-    }
-    return _a;
-  }).call(this);
-  egg_delivery = function egg_delivery() {
-    var _f, _g, _h, _i, _j, dozen_eggs, i;
-    _f = []; _i = 0; _j = eggs.length;
-    for (_h=0, i=_i; (_i <= _j ? i < _j : i > _j); (_i <= _j ? i += 12 : i -= 12), _h++) {
-      _f.push((function() {
-        dozen_eggs = eggs.slice(i, i + 12);
-        return deliver(new egg_carton(dozen));
-      }).call(this));
-    }
-    return _f;
-  };
-})();
+var _a, countdown, deliverEggs, num;
+countdown = (function() {
+  _a = [];
+  for (num = 10; num >= 1; num--) {
+    _a.push(num);
+  }
+  return _a;
+})();
+deliverEggs = function() {
+  var _b, _c, dozen, i;
+  _b = []; _c = eggs.length;
+  for (i = 0; (0 <= _c ? i < _c : i > _c); i += 12) {
+    _b.push((function() {
+      dozen = eggs.slice(i, i + 12);
+      return deliver(new eggCarton(dozen));
+    })());
+  }
+  return _b;
+};

documentation/js/scope.js

@@ -1,10 +1,8 @@
-(function(){
-  var change_numbers, new_num, num;
-  num = 1;
-  change_numbers = function change_numbers() {
-    var new_num;
-    new_num = -1;
-    return num = 10;
-  };
-  new_num = change_numbers();
-})();
+var changeNumbers, inner, outer;
+outer = 1;
+changeNumbers = function() {
+  var inner;
+  inner = -1;
+  return (outer = 10);
+};
+inner = changeNumbers();

documentation/js/slices.js

@@ -1,6 +1,4 @@
-(function(){
-  var numbers, numbers_copy, three_to_six;
-  numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
-  three_to_six = numbers.slice(3, 6 + 1);
-  numbers_copy = numbers.slice(0, numbers.length);
-})();
+var copy, numbers, threeToSix;
+numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+threeToSix = numbers.slice(3, 6 + 1);
+copy = numbers.slice(0, numbers.length);

documentation/js/soaks.js

@@ -1,4 +1,2 @@
-(function(){
-  var _a;
-  (_a = lottery.draw_winner()) == null ? undefined : _a.address == null ? undefined : _a.address.zipcode;
-})();
+var _a, _b;
+(_b = ((typeof (_a = (lottery.drawWinner())) === "undefined" || _a === null) ? undefined : _a.address)) == null ? undefined : _b.zipcode;

documentation/js/splats.js

@@ -1,16 +1,15 @@
-(function(){
-  var award_medals, contenders, gold, silver, the_field;
-  gold = (silver = (the_field = "unknown"));
-  award_medals = function award_medals(first, second) {
-    var rest;
-    rest = Array.prototype.slice.call(arguments, 2);
-    gold = first;
-    silver = second;
-    return the_field = rest;
-  };
-  contenders = ["Michael Phelps", "Liu Xiang", "Yao Ming", "Allyson Felix", "Shawn Johnson", "Roman Sebrle", "Guo Jingjing", "Tyson Gay", "Asafa Powell", "Usain Bolt"];
-  award_medals.apply(this, contenders);
-  alert("Gold: " + gold);
-  alert("Silver: " + silver);
-  alert("The Field: " + the_field);
-})();
+var awardMedals, contenders, gold, rest, silver;
+var __slice = Array.prototype.slice;
+gold = (silver = (rest = "unknown"));
+awardMedals = function(first, second) {
+  var others;
+  others = __slice.call(arguments, 2);
+  gold = first;
+  silver = second;
+  return (rest = others);
+};
+contenders = ["Michael Phelps", "Liu Xiang", "Yao Ming", "Allyson Felix", "Shawn Johnson", "Roman Sebrle", "Guo Jingjing", "Tyson Gay", "Asafa Powell", "Usain Bolt"];
+awardMedals.apply(this, contenders);
+alert("Gold: " + gold);
+alert("Silver: " + silver);
+alert("The Field: " + rest);