[CS2] 2.0.0-beta5 (#4682)

* Upgrade docs to Bootstrap 4 beta, including refactoring styles; upgrade docs jQuery and CodeMirror

* Better style the docs for mobile, including Try CoffeeScript

* Fix #4642, erroneous statement about named functions

* Update packages

* 2.0.0-beta5

.gitignore

@@ -8,3 +8,4 @@ test/*.js
 parser.output
 /node_modules
 npm-debug.log*
+yarn.lock

CONTRIBUTING.md

@@ -6,4 +6,4 @@
 
 * Use the same coding style as the rest of the [codebase](https://github.com/jashkenas/coffeescript/tree/master/src). If you’re just getting started with CoffeeScript, there’s a nice [style guide](https://github.com/polarmobile/coffeescript-style-guide).
 
-* In your pull request, do not add documentation to `index.html` or re-build the minified `coffeescript.js` file. We’ll do those things before cutting a new release.
+* In your pull request, do not add documentation to `index.html` or re-build the minified `coffeescript.js` file. We’ll do those things before cutting a new release. You _should,_ however, commit the updated compiled JavaScript files in `lib`.

Cakefile

@@ -1,4 +1,5 @@
 fs                        = require 'fs'
+os                        = require 'os'
 path                      = require 'path'
 _                         = require 'underscore'
 { spawn, exec, execSync } = require 'child_process'
@@ -6,12 +7,13 @@ CoffeeScript              = require './lib/coffeescript'
 helpers                   = require './lib/coffeescript/helpers'
 
 # ANSI Terminal Colors.
-bold = red = green = reset = ''
+bold = red = green = yellow = reset = ''
 unless process.env.NODE_DISABLE_COLORS
-  bold  = '\x1B[0;1m'
-  red   = '\x1B[0;31m'
-  green = '\x1B[0;32m'
-  reset = '\x1B[0m'
+  bold   = '\x1B[0;1m'
+  red    = '\x1B[0;31m'
+  green  = '\x1B[0;32m'
+  yellow = '\x1B[0;33m'
+  reset  = '\x1B[0m'
 
 # Built file header.
 header = """
@@ -51,14 +53,8 @@ run = (args, callback) ->
 buildParser = ->
   helpers.extend global, require 'util'
   require 'jison'
-  parser = require('./lib/coffeescript/grammar').parser.generate()
-  # Patch Jison’s output, until https://github.com/zaach/jison/pull/339 is accepted,
-  # to ensure that require('fs') is only called where it exists.
-  parser = parser.replace "var source = require('fs')", """
-      var source = '';
-          var fs = require('fs');
-          if (typeof fs !== 'undefined' && fs !== null)
-              source = fs"""
+  # We don't need `moduleMain`, since the parser is unlikely to be run standalone.
+  parser = require('./lib/coffeescript/grammar').parser.generate(moduleMain: ->)
   fs.writeFileSync 'lib/coffeescript/parser.js', parser
 
 buildExceptParser = (callback) ->
@@ -116,20 +112,12 @@ task 'build:full', 'build the CoffeeScript compiler from source twice, and run t
   build ->
     build testBuiltCode
 
-task 'build:browser', 'build the merged script for inclusion in the browser', ->
+task 'build:browser', 'merge the built scripts into a single file for use in a browser', ->
   code = """
   require['../../package.json'] = (function() {
     return #{fs.readFileSync "./package.json"};
   })();
   """
-  for {name, src} in [{name: 'markdown-it', src: 'dist/markdown-it.min.js'}]
-    code += """
-      require['#{name}'] = (function() {
-        var exports = {}, module = {exports: exports};
-        #{fs.readFileSync "node_modules/#{name}/#{src}"}
-        return module.exports;
-      })();
-    """
   for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'sourcemap', 'coffeescript', 'browser']
     code += """
       require['./#{name}'] = (function() {
@@ -143,7 +131,7 @@ task 'build:browser', 'build the merged script for inclusion in the browser', ->
       var CoffeeScript = function() {
         function require(path){ return require[path]; }
         #{code}
-        return require['./coffeescript'];
+        return require['./browser'];
       }();
 
       if (typeof define === 'function' && define.amd) {
@@ -153,15 +141,30 @@ task 'build:browser', 'build the merged script for inclusion in the browser', ->
       }
     }(this));
   """
-  unless process.env.MINIFY is 'false'
-    {compiledCode: code} = require('google-closure-compiler-js').compile
-      jsCode: [
-        src: code
-        languageOut: if majorVersion is 1 then 'ES5' else 'ES6'
-      ]
+  babel = require 'babel-core'
+  presets = []
+  # Exclude the `modules` plugin in order to not break the `}(this));`
+  # at the end of the above code block.
+  presets.push ['env', {modules: no}] unless process.env.TRANSFORM is 'false'
+  babelOptions =
+    presets: presets
+    sourceType: 'script'
+  { code } = babel.transform code, babelOptions unless presets.length is 0
+  # Running Babel twice due to https://github.com/babel/babili/issues/614.
+  # Once that issue is fixed, move the `babili` preset back up into the
+  # `presets` array and run Babel once with both presets together.
+  presets = if process.env.MINIFY is 'false' then [] else ['babili']
+  babelOptions =
+    compact: process.env.MINIFY isnt 'false'
+    presets: presets
+    sourceType: 'script'
+  { code } = babel.transform code, babelOptions unless presets.length is 0
   outputFolder = "docs/v#{majorVersion}/browser-compiler"
   fs.mkdirSync outputFolder unless fs.existsSync outputFolder
   fs.writeFileSync "#{outputFolder}/coffeescript.js", header + '\n' + code
+
+task 'build:browser:full', 'merge the built scripts into a single file for use in a browser, and test it', ->
+  invoke 'build:browser'
   console.log "built ... running browser tests:"
   invoke 'test:browser'
 
@@ -338,11 +341,15 @@ task 'doc:source:watch', 'watch and continually rebuild the annotated source doc
 
 
 task 'release', 'build and test the CoffeeScript source, and build the documentation', ->
-  invoke 'build:full'
-  invoke 'build:browser'
-  invoke 'doc:site'
-  invoke 'doc:test'
-  invoke 'doc:source'
+  execSync '''
+    cake build:full
+    cake build:browser
+    cake test:browser
+    cake test:integrations
+    cake doc:site
+    cake doc:test
+    cake doc:source''', stdio: 'inherit'
+
 
 task 'bench', 'quick benchmark of compilation time', ->
   {Rewriter} = require './lib/coffeescript/rewriter'
@@ -368,8 +375,7 @@ task 'bench', 'quick benchmark of compilation time', ->
 
 # Run the CoffeeScript test suite.
 runTests = (CoffeeScript) ->
-  CoffeeScript.register()
-  startTime = Date.now()
+  CoffeeScript.register() unless global.testingBrowser
 
   # These are attached to `global` so that they’re accessible from within
   # `test/async.coffee`, which has an async-capable version of
@@ -382,20 +388,42 @@ runTests = (CoffeeScript) ->
 
   # Convenience aliases.
   global.CoffeeScript = CoffeeScript
-  global.Repl = require './lib/coffeescript/repl'
+  global.Repl   = require './lib/coffeescript/repl'
+  global.bold   = bold
+  global.red    = red
+  global.green  = green
+  global.yellow = yellow
+  global.reset  = reset
+
+  asyncTests = []
+  onFail = (description, fn, err) ->
+    failures.push
+      filename: global.currentFile
+      error: err
+      description: description
+      source: fn.toString() if fn.toString?
 
   # Our test helper function for delimiting different test cases.
   global.test = (description, fn) ->
     try
       fn.test = {description, currentFile}
-      fn.call(fn)
-      ++passedTests
-    catch e
-      failures.push
-        filename: currentFile
-        error: e
-        description: description if description?
-        source: fn.toString() if fn.toString?
+      result = fn.call(fn)
+      if result instanceof Promise # An async test.
+        asyncTests.push result
+        result.then ->
+          passedTests++
+        .catch (err) ->
+          onFail description, fn, err
+      else
+        passedTests++
+    catch err
+      onFail description, fn, err
+
+  global.supportsAsync = try
+      new Function('async () => {}')()
+      yes
+    catch
+      no
 
   helpers.extend global, require './test/support/helpers'
 
@@ -416,7 +444,10 @@ runTests = (CoffeeScript) ->
 
   # Run every test in the `test` folder, recording failures.
   files = fs.readdirSync 'test'
+  unless global.supportsAsync # Except for async tests, if async isn’t supported.
+    files = files.filter (filename) -> filename isnt 'async.coffee'
 
+  startTime = Date.now()
   for file in files when helpers.isCoffee file
     literate = helpers.isLiterate file
     currentFile = filename = path.join 'test', file
@@ -425,11 +456,13 @@ runTests = (CoffeeScript) ->
       CoffeeScript.run code.toString(), {filename, literate}
     catch error
       failures.push {filename, error}
-  return !failures.length
+
+  Promise.all(asyncTests).then ->
+    Promise.reject() if failures.length isnt 0
 
 
 task 'test', 'run the CoffeeScript language test suite', ->
-  runTests CoffeeScript
+  runTests(CoffeeScript).catch -> process.exit 1
 
 
 task 'test:browser', 'run the test suite against the merged browser script', ->
@@ -437,4 +470,31 @@ task 'test:browser', 'run the test suite against the merged browser script', ->
   result = {}
   global.testingBrowser = yes
   (-> eval source).call result
-  runTests result.CoffeeScript
+  runTests(CoffeeScript).catch -> process.exit 1
+
+
+task 'test:integrations', 'test the module integrated with other libraries and environments', ->
+  # Tools like Webpack and Browserify generate builds intended for a browser
+  # environment where Node modules are not available. We want to ensure that
+  # the CoffeeScript module as presented by the `browser` key in `package.json`
+  # can be built by such tools; if such a build succeeds, it verifies that no
+  # Node modules are required as part of the compiler (as opposed to the tests)
+  # and that therefore the compiler will run in a browser environment.
+  tmpdir = os.tmpdir()
+  try
+    buildLog = execSync "./node_modules/webpack/bin/webpack.js
+      --entry=./
+      --output-library=CoffeeScript
+      --output-library-target=commonjs2
+      --output-path=#{tmpdir}
+      --output-filename=coffeescript.js"
+  catch exception
+    console.error buildLog.toString()
+    throw exception
+
+  builtCompiler = path.join tmpdir, 'coffeescript.js'
+  CoffeeScript = require builtCompiler
+  global.testingBrowser = yes
+  testResults = runTests CoffeeScript
+  fs.unlinkSync builtCompiler
+  process.exit 1 unless testResults

README.md

@@ -22,7 +22,7 @@ CoffeeScript is a little language that compiles into JavaScript.
 
 ## Installation
 
-If you have the node package manager, npm, installed:
+Once you have Node.js installed:
 
 ```shell
 npm install --global coffeescript
@@ -46,7 +46,7 @@ coffee -c /path/to/script.coffee
 
 For documentation, usage, and examples, see: http://coffeescript.org/
 
-To suggest a feature or report a bug: http://github.com/jashkenas/coffeescript/issues
+To suggest a feature or report a bug: https://github.com/jashkenas/coffeescript/issues
 
 If you’d like to chat, drop by #coffeescript on Freenode IRC.
 
@@ -54,4 +54,4 @@ The source repository: https://github.com/jashkenas/coffeescript.git
 
 Changelog: http://coffeescript.org/#changelog
 
-Our lovely and talented contributors are listed here: http://github.com/jashkenas/coffeescript/contributors
+Our lovely and talented contributors are listed here: https://github.com/jashkenas/coffeescript/contributors

bin/cake

@@ -2,6 +2,17 @@
 
 var path = require('path');
 var fs   = require('fs');
-var lib  = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require(lib + '/coffeescript/cake').run();
+var potentialPaths = [
+  path.join(process.cwd(), 'node_modules/coffeescript/lib/coffeescript'),
+  path.join(process.cwd(), 'node_modules/coffeescript/lib/coffee-script'),
+  path.join(process.cwd(), 'node_modules/coffee-script/lib/coffee-script'),
+  path.join(__dirname, '../lib/coffeescript')
+];
+
+for (var i = 0, len = potentialPaths.length; i < len; i++) {
+  if (fs.existsSync(potentialPaths[i])) {
+    require(potentialPaths[i] + '/cake').run();
+    break;
+  }
+}

bin/coffee

@@ -2,6 +2,17 @@
 
 var path = require('path');
 var fs   = require('fs');
-var lib  = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require(lib + '/coffeescript/command').run();
+var potentialPaths = [
+  path.join(process.cwd(), 'node_modules/coffeescript/lib/coffeescript'),
+  path.join(process.cwd(), 'node_modules/coffeescript/lib/coffee-script'),
+  path.join(process.cwd(), 'node_modules/coffee-script/lib/coffee-script'),
+  path.join(__dirname, '../lib/coffeescript')
+];
+
+for (var i = 0, len = potentialPaths.length; i < len; i++) {
+  if (fs.existsSync(potentialPaths[i])) {
+    require(potentialPaths[i] + '/command').run();
+    break;
+  }
+}

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "coffeescript",
   "main": [
-    "lib/coffeescript/coffeescript.js"
+    "lib/coffeescript/browser.js"
   ],
   "description": "Unfancy JavaScript",
   "keywords": [

docs/v1/annotated-source/cake.html

@@ -116,7 +116,7 @@
                 <a class="pilcrow" href="#section-1">&#182;</a>
               </div>
               <p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
-(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="http://github.com/280north/jake">Jake</a>)
+(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="https://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

docs/v1/annotated-source/grammar.html

@@ -115,17 +115,17 @@
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-1">&#182;</a>
               </div>
-              <p>The CoffeeScript parser is generated by <a href="http://github.com/zaach/jison">Jison</a>
+              <p>The CoffeeScript parser is generated by <a href="https://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>
+It can recognize <a href="https://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>
+<a href="https://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>
+reduces into the <a href="https://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>
@@ -199,7 +199,7 @@ wrapper and just returning the value directly.</p>
                 <a class="pilcrow" href="#section-6">&#182;</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,
+<a href="https://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>
@@ -575,6 +575,7 @@ the ordinary <strong>Assign</strong> is that these allow numbers and strings as
             
             <div class="content"><div class='highlight'><pre>  Return: [
     o <span class="hljs-string">'RETURN Expression'</span>,                      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'RETURN INDENT Object OUTDENT'</span>,           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return <span class="hljs-keyword">new</span> Value $<span class="hljs-number">3</span>
     o <span class="hljs-string">'RETURN'</span>,                                 <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return
   ]
 

docs/v1/annotated-source/lexer.html

@@ -121,7 +121,7 @@ a token is produced, we consume the match, and start again. Tokens are in the
 form:</p>
 <pre><code>[tag, value, locationData]
 </code></pre><p>where locationData is {first_line, first_column, last_line, last_column}, which is a
-format that can be fed directly into <a href="http://github.com/zaach/jison">Jison</a>.  These
+format that can be fed directly into <a href="https://github.com/zaach/jison">Jison</a>.  These
 are read by jison in the <code>parser.lexer</code> function defined in coffee-script.coffee.</p>
 
             </div>
@@ -566,14 +566,14 @@ properly tag the <code>from</code>.</p>
         indent = attempt <span class="hljs-keyword">if</span> indent <span class="hljs-keyword">is</span> <span class="hljs-literal">null</span> <span class="hljs-keyword">or</span> <span class="hljs-number">0</span> &lt; attempt.length &lt; indent.length
       indentRegex = <span class="hljs-regexp">/// \n<span class="hljs-subst">#{indent}</span> ///</span>g <span class="hljs-keyword">if</span> indent
       @mergeInterpolationTokens tokens, {delimiter}, <span class="hljs-function"><span class="hljs-params">(value, i)</span> =&gt;</span>
-        value = @formatString value
+        value = @formatString value, delimiter: quote
         value = value.replace indentRegex, <span class="hljs-string">'\n'</span> <span class="hljs-keyword">if</span> indentRegex
         value = value.replace LEADING_BLANK_LINE,  <span class="hljs-string">''</span> <span class="hljs-keyword">if</span> i <span class="hljs-keyword">is</span> <span class="hljs-number">0</span>
         value = value.replace TRAILING_BLANK_LINE, <span class="hljs-string">''</span> <span class="hljs-keyword">if</span> i <span class="hljs-keyword">is</span> $
         value
     <span class="hljs-keyword">else</span>
       @mergeInterpolationTokens tokens, {delimiter}, <span class="hljs-function"><span class="hljs-params">(value, i)</span> =&gt;</span>
-        value = @formatString value
+        value = @formatString value, delimiter: quote
         value = value.replace SIMPLE_STRING_OMIT, <span class="hljs-function"><span class="hljs-params">(match, offset)</span> -&gt;</span>
           <span class="hljs-keyword">if</span> (i <span class="hljs-keyword">is</span> <span class="hljs-number">0</span> <span class="hljs-keyword">and</span> offset <span class="hljs-keyword">is</span> <span class="hljs-number">0</span>) <span class="hljs-keyword">or</span>
              (i <span class="hljs-keyword">is</span> $ <span class="hljs-keyword">and</span> offset + match.length <span class="hljs-keyword">is</span> value.length)
@@ -685,6 +685,7 @@ borrow some basic heuristics from JavaScript and Ruby.</p>
       <span class="hljs-keyword">when</span> match = REGEX.exec @chunk
         [regex, body, closed] = match
         @validateEscapes body, isRegex: <span class="hljs-literal">yes</span>, offsetInChunk: <span class="hljs-number">1</span>
+        body = @formatRegex body, delimiter: <span class="hljs-string">'/'</span>
         index = regex.length
         [..., prev] = @tokens
         <span class="hljs-keyword">if</span> prev
@@ -1262,7 +1263,7 @@ sane location data.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>          converted = fn token[<span class="hljs-number">1</span>], i</pre></div></div>
+            <div class="content"><div class='highlight'><pre>          converted = fn.call <span class="hljs-keyword">this</span>, token[<span class="hljs-number">1</span>], i</pre></div></div>
             
         </li>
         
@@ -1554,15 +1555,22 @@ not specified, the length of <code>value</code> will be used.</p>
             
             <div class="content"><div class='highlight'><pre>  unfinished: <span class="hljs-function">-&gt;</span>
     LINE_CONTINUER.test(@chunk) <span class="hljs-keyword">or</span>
-    @tag() <span class="hljs-keyword">in</span> [<span class="hljs-string">'\\'</span>, <span class="hljs-string">'.'</span>, <span class="hljs-string">'?.'</span>, <span class="hljs-string">'?::'</span>, <span class="hljs-string">'UNARY'</span>, <span class="hljs-string">'MATH'</span>, <span class="hljs-string">'UNARY_MATH'</span>, <span class="hljs-string">'+'</span>, <span class="hljs-string">'-'</span>,
-               <span class="hljs-string">'**'</span>, <span class="hljs-string">'SHIFT'</span>, <span class="hljs-string">'RELATION'</span>, <span class="hljs-string">'COMPARE'</span>, <span class="hljs-string">'&amp;'</span>, <span class="hljs-string">'^'</span>, <span class="hljs-string">'|'</span>, <span class="hljs-string">'&amp;&amp;'</span>, <span class="hljs-string">'||'</span>,
-               <span class="hljs-string">'BIN?'</span>, <span class="hljs-string">'THROW'</span>, <span class="hljs-string">'EXTENDS'</span>]
+    @tag() <span class="hljs-keyword">in</span> UNFINISHED
 
-  formatString: <span class="hljs-function"><span class="hljs-params">(str)</span> -&gt;</span>
-    str.replace STRING_OMIT, <span class="hljs-string">'$1'</span>
+  formatString: <span class="hljs-function"><span class="hljs-params">(str, options)</span> -&gt;</span>
+    @replaceUnicodeCodePointEscapes str.replace(STRING_OMIT, <span class="hljs-string">'$1'</span>), options
 
   formatHeregex: <span class="hljs-function"><span class="hljs-params">(str)</span> -&gt;</span>
-    str.replace HEREGEX_OMIT, <span class="hljs-string">'$1$2'</span></pre></div></div>
+    @formatRegex str.replace(HEREGEX_OMIT, <span class="hljs-string">'$1$2'</span>), delimiter: <span class="hljs-string">'///'</span>
+
+  formatRegex: <span class="hljs-function"><span class="hljs-params">(str, options)</span> -&gt;</span>
+    @replaceUnicodeCodePointEscapes str, options
+
+  unicodeCodePointToUnicodeEscapes: <span class="hljs-function"><span class="hljs-params">(codePoint)</span> -&gt;</span>
+<span class="hljs-function">    <span class="hljs-title">toUnicodeEscape</span> = <span class="hljs-params">(val)</span> -&gt;</span>
+      str = val.toString <span class="hljs-number">16</span>
+      <span class="hljs-string">"\\u<span class="hljs-subst">#{repeat <span class="hljs-string">'0'</span>, <span class="hljs-number">4</span> - str.length}</span><span class="hljs-subst">#{str}</span>"</span>
+    <span class="hljs-keyword">return</span> toUnicodeEscape(codePoint) <span class="hljs-keyword">if</span> codePoint &lt; <span class="hljs-number">0x10000</span></pre></div></div>
             
         </li>
         
@@ -1573,6 +1581,48 @@ not specified, the length of <code>value</code> will be used.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-59">&#182;</a>
               </div>
+              <p>surrogate pair</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    high = Math.floor((codePoint - <span class="hljs-number">0x10000</span>) / <span class="hljs-number">0x400</span>) + <span class="hljs-number">0xD800</span>
+    low = (codePoint - <span class="hljs-number">0x10000</span>) % <span class="hljs-number">0x400</span> + <span class="hljs-number">0xDC00</span>
+    <span class="hljs-string">"<span class="hljs-subst">#{toUnicodeEscape(high)}</span><span class="hljs-subst">#{toUnicodeEscape(low)}</span>"</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-60">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-60">&#182;</a>
+              </div>
+              <p>Replace \u{…} with \uxxxx[\uxxxx] in strings and regexes</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  replaceUnicodeCodePointEscapes: <span class="hljs-function"><span class="hljs-params">(str, options)</span> -&gt;</span>
+    str.replace UNICODE_CODE_POINT_ESCAPE, <span class="hljs-function"><span class="hljs-params">(match, escapedBackslash, codePointHex, offset)</span> =&gt;</span>
+      <span class="hljs-keyword">return</span> escapedBackslash <span class="hljs-keyword">if</span> escapedBackslash
+
+      codePointDecimal = parseInt codePointHex, <span class="hljs-number">16</span>
+      <span class="hljs-keyword">if</span> codePointDecimal &gt; <span class="hljs-number">0x10ffff</span>
+        @error <span class="hljs-string">"unicode code point escapes greater than \\u{10ffff} are not allowed"</span>,
+          offset: offset + options.delimiter.length
+          length: codePointHex.length + <span class="hljs-number">4</span>
+
+      @unicodeCodePointToUnicodeEscapes codePointDecimal</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-61">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-61">&#182;</a>
+              </div>
               <p>Validates escapes in strings and regexes.</p>
 
             </div>
@@ -1585,13 +1635,13 @@ not specified, the length of <code>value</code> will be used.</p>
         STRING_INVALID_ESCAPE
     match = invalidEscapeRegex.exec str
     <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> match
-    [[], before, octal, hex, unicode] = match
+    [[], before, octal, hex, unicodeCodePoint, unicode] = match
     message =
       <span class="hljs-keyword">if</span> octal
         <span class="hljs-string">"octal escape sequences are not allowed"</span>
       <span class="hljs-keyword">else</span>
         <span class="hljs-string">"invalid escape sequence"</span>
-    invalidEscape = <span class="hljs-string">"\\<span class="hljs-subst">#{octal <span class="hljs-keyword">or</span> hex <span class="hljs-keyword">or</span> unicode}</span>"</span>
+    invalidEscape = <span class="hljs-string">"\\<span class="hljs-subst">#{octal <span class="hljs-keyword">or</span> hex <span class="hljs-keyword">or</span> unicodeCodePoint <span class="hljs-keyword">or</span> unicode}</span>"</span>
     @error <span class="hljs-string">"<span class="hljs-subst">#{message}</span> <span class="hljs-subst">#{invalidEscape}</span>"</span>,
       offset: (options.offsetInChunk ? <span class="hljs-number">0</span>) + match.index + before.length
       length: invalidEscape.length</pre></div></div>
@@ -1599,11 +1649,11 @@ not specified, the length of <code>value</code> will be used.</p>
         </li>
         
         
-        <li id="section-60">
+        <li id="section-62">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-60">&#182;</a>
+                <a class="pilcrow" href="#section-62">&#182;</a>
               </div>
               <p>Constructs a string or regex by escaping certain characters.</p>
 
@@ -1623,11 +1673,11 @@ not specified, the length of <code>value</code> will be used.</p>
         </li>
         
         
-        <li id="section-61">
+        <li id="section-63">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-61">&#182;</a>
+                <a class="pilcrow" href="#section-63">&#182;</a>
               </div>
               <p>Ignore escaped backslashes.</p>
 
@@ -1646,11 +1696,11 @@ not specified, the length of <code>value</code> will be used.</p>
         </li>
         
         
-        <li id="section-62">
+        <li id="section-64">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-62">&#182;</a>
+                <a class="pilcrow" href="#section-64">&#182;</a>
               </div>
               <p>Throws an error at either a given offset from the current chunk or at the
 location of a token (<code>token[2]</code>).</p>
@@ -1669,11 +1719,11 @@ location of a token (<code>token[2]</code>).</p>
         </li>
         
         
-        <li id="section-63">
+        <li id="section-65">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-63">&#182;</a>
+                <a class="pilcrow" href="#section-65">&#182;</a>
               </div>
               <h2 id="helper-functions">Helper functions</h2>
 
@@ -1682,11 +1732,11 @@ location of a token (<code>token[2]</code>).</p>
         </li>
         
         
-        <li id="section-64">
+        <li id="section-66">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-64">&#182;</a>
+                <a class="pilcrow" href="#section-66">&#182;</a>
               </div>
               
             </div>
@@ -1707,11 +1757,11 @@ exports.isUnassignable = isUnassignable</pre></div></div>
         </li>
         
         
-        <li id="section-65">
+        <li id="section-67">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-65">&#182;</a>
+                <a class="pilcrow" href="#section-67">&#182;</a>
               </div>
               <p><code>from</code> isn’t a CoffeeScript keyword, but it behaves like one in <code>import</code> and
 <code>export</code> statements (handled above) and in the declaration line of a <code>for</code>
@@ -1726,11 +1776,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-66">
+        <li id="section-68">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-66">&#182;</a>
+                <a class="pilcrow" href="#section-68">&#182;</a>
               </div>
               <p><code>for i from from</code>, <code>for from from iterable</code></p>
 
@@ -1743,11 +1793,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-67">
+        <li id="section-69">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-67">&#182;</a>
+                <a class="pilcrow" href="#section-69">&#182;</a>
               </div>
               <p><code>for i from iterable</code></p>
 
@@ -1758,11 +1808,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-68">
+        <li id="section-70">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-68">&#182;</a>
+                <a class="pilcrow" href="#section-70">&#182;</a>
               </div>
               <p><code>for from…</code></p>
 
@@ -1774,11 +1824,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-69">
+        <li id="section-71">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-69">&#182;</a>
+                <a class="pilcrow" href="#section-71">&#182;</a>
               </div>
               <p><code>for {from}…</code>, <code>for [from]…</code>, <code>for {a, from}…</code>, <code>for {a: from}…</code></p>
 
@@ -1792,11 +1842,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-70">
+        <li id="section-72">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-70">&#182;</a>
+                <a class="pilcrow" href="#section-72">&#182;</a>
               </div>
               <h2 id="constants">Constants</h2>
 
@@ -1805,11 +1855,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-71">
+        <li id="section-73">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-71">&#182;</a>
+                <a class="pilcrow" href="#section-73">&#182;</a>
               </div>
               
             </div>
@@ -1817,11 +1867,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-72">
+        <li id="section-74">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-72">&#182;</a>
+                <a class="pilcrow" href="#section-74">&#182;</a>
               </div>
               <p>Keywords that CoffeeScript shares in common with JavaScript.</p>
 
@@ -1839,11 +1889,11 @@ loop. Try to detect when <code>from</code> is a variable identifier and when it
         </li>
         
         
-        <li id="section-73">
+        <li id="section-75">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-73">&#182;</a>
+                <a class="pilcrow" href="#section-75">&#182;</a>
               </div>
               <p>CoffeeScript-only keywords.</p>
 
@@ -1871,11 +1921,11 @@ COFFEE_KEYWORDS = COFFEE_KEYWORDS.concat COFFEE_ALIASES</pre></div></div>
         </li>
         
         
-        <li id="section-74">
+        <li id="section-76">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-74">&#182;</a>
+                <a class="pilcrow" href="#section-76">&#182;</a>
               </div>
               <p>The list of keywords that are reserved by JavaScript, but not used, or are
 used by CoffeeScript internally. We throw an error when these are encountered,
@@ -1894,11 +1944,11 @@ STRICT_PROSCRIBED = [<span class="hljs-string">'arguments'</span>, <span class="
         </li>
         
         
-        <li id="section-75">
+        <li id="section-77">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-75">&#182;</a>
+                <a class="pilcrow" href="#section-77">&#182;</a>
               </div>
               <p>The superset of both JavaScript keywords and reserved words, none of which may
 be used as identifiers or properties.</p>
@@ -1910,11 +1960,11 @@ be used as identifiers or properties.</p>
         </li>
         
         
-        <li id="section-76">
+        <li id="section-78">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-76">&#182;</a>
+                <a class="pilcrow" href="#section-78">&#182;</a>
               </div>
               <p>The character code of the nasty Microsoft madness otherwise known as the BOM.</p>
 
@@ -1925,11 +1975,11 @@ be used as identifiers or properties.</p>
         </li>
         
         
-        <li id="section-77">
+        <li id="section-79">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-77">&#182;</a>
+                <a class="pilcrow" href="#section-79">&#182;</a>
               </div>
               <p>Token matching regexes.</p>
 
@@ -1972,11 +2022,11 @@ HERE_JSTOKEN = <span class="hljs-regexp">///^ ```     ((?: [^`\\] | \\[\s\S] | `
         </li>
         
         
-        <li id="section-78">
+        <li id="section-80">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-78">&#182;</a>
+                <a class="pilcrow" href="#section-80">&#182;</a>
               </div>
               <p>String-matching-regexes.</p>
 
@@ -1999,11 +2049,11 @@ HEREDOC_INDENT     = <span class="hljs-regexp">/\n+([^\n\S]*)(?=\S)/g</span></pr
         </li>
         
         
-        <li id="section-79">
+        <li id="section-81">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-79">&#182;</a>
+                <a class="pilcrow" href="#section-81">&#182;</a>
               </div>
               <p>Regex-matching-regexes.</p>
 
@@ -2020,7 +2070,7 @@ HEREDOC_INDENT     = <span class="hljs-regexp">/\n+([^\n\S]*)(?=\S)/g</span></pr
 ///</span>
 
 REGEX_FLAGS  = <span class="hljs-regexp">/^\w*/</span>
-VALID_FLAGS  = <span class="hljs-regexp">/^(?!.*(.).*\1)[imgy]*$/</span>
+VALID_FLAGS  = <span class="hljs-regexp">/^(?!.*(.).*\1)[imguy]*$/</span>
 
 HEREGEX      = <span class="hljs-regexp">/// ^(?: [^\\/<span class="hljs-comment">#] | \\[\s\S] | /(?!//) | \#(?!\{) )* ///</span>
 
@@ -2037,11 +2087,11 @@ POSSIBLY_DIVISION   = <span class="hljs-regexp">/// ^ /=?\s ///</span></pre></di
         </li>
         
         
-        <li id="section-80">
+        <li id="section-82">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-80">&#182;</a>
+                <a class="pilcrow" href="#section-82">&#182;</a>
               </div>
               <p>Other regexes.</p>
 
@@ -2056,7 +2106,8 @@ STRING_INVALID_ESCAPE = <span class="hljs-regexp">///
   \\ (
      ?: (0[0-7]|[1-7])             <span class="hljs-comment"># octal escape</span>
       | (x(?![\da-fA-F]{2}).{0,2}) <span class="hljs-comment"># hex escape</span>
-      | (u(?![\da-fA-F]{4}).{0,4}) <span class="hljs-comment"># unicode escape</span>
+      | (u\{(?![\da-fA-F]{1,}\})[^}]*\}?) <span class="hljs-comment"># unicode code point escape</span>
+      | (u(?!\{|[\da-fA-F]{4}).{0,4}) <span class="hljs-comment"># unicode escape</span>
   )
 ///</span>
 REGEX_INVALID_ESCAPE = <span class="hljs-regexp">///
@@ -2064,10 +2115,17 @@ REGEX_INVALID_ESCAPE = <span class="hljs-regexp">///
   \\ (
      ?: (0[0-7])                   <span class="hljs-comment"># octal escape</span>
       | (x(?![\da-fA-F]{2}).{0,2}) <span class="hljs-comment"># hex escape</span>
-      | (u(?![\da-fA-F]{4}).{0,4}) <span class="hljs-comment"># unicode escape</span>
+      | (u\{(?![\da-fA-F]{1,}\})[^}]*\}?) <span class="hljs-comment"># unicode code point escape</span>
+      | (u(?!\{|[\da-fA-F]{4}).{0,4}) <span class="hljs-comment"># unicode escape</span>
   )
 ///</span>
 
+UNICODE_CODE_POINT_ESCAPE = <span class="hljs-regexp">///
+  ( \\\\ )        <span class="hljs-comment"># make sure the escape isn’t escaped</span>
+  |
+  \\u\{ ( [\da-fA-F]+ ) \}
+///</span>g
+
 LEADING_BLANK_LINE  = <span class="hljs-regexp">/^[^\n\S]*\n/</span>
 TRAILING_BLANK_LINE = <span class="hljs-regexp">/\n[^\n\S]*$/</span>
 
@@ -2076,11 +2134,11 @@ TRAILING_SPACES     = <span class="hljs-regexp">/\s+$/</span></pre></div></div>
         </li>
         
         
-        <li id="section-81">
+        <li id="section-83">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-81">&#182;</a>
+                <a class="pilcrow" href="#section-83">&#182;</a>
               </div>
               <p>Compound assignment tokens.</p>
 
@@ -2094,11 +2152,11 @@ TRAILING_SPACES     = <span class="hljs-regexp">/\s+$/</span></pre></div></div>
         </li>
         
         
-        <li id="section-82">
+        <li id="section-84">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-82">&#182;</a>
+                <a class="pilcrow" href="#section-84">&#182;</a>
               </div>
               <p>Unary tokens.</p>
 
@@ -2111,11 +2169,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-83">
+        <li id="section-85">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-83">&#182;</a>
+                <a class="pilcrow" href="#section-85">&#182;</a>
               </div>
               <p>Bit-shifting tokens.</p>
 
@@ -2126,11 +2184,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-84">
+        <li id="section-86">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-84">&#182;</a>
+                <a class="pilcrow" href="#section-86">&#182;</a>
               </div>
               <p>Comparison tokens.</p>
 
@@ -2141,11 +2199,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-85">
+        <li id="section-87">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-85">&#182;</a>
+                <a class="pilcrow" href="#section-87">&#182;</a>
               </div>
               <p>Mathematical tokens.</p>
 
@@ -2156,11 +2214,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-86">
+        <li id="section-88">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-86">&#182;</a>
+                <a class="pilcrow" href="#section-88">&#182;</a>
               </div>
               <p>Relational tokens that are negatable with <code>not</code> prefix.</p>
 
@@ -2171,11 +2229,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-87">
+        <li id="section-89">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-87">&#182;</a>
+                <a class="pilcrow" href="#section-89">&#182;</a>
               </div>
               <p>Boolean tokens.</p>
 
@@ -2186,11 +2244,11 @@ UNARY_MATH = [<span class="hljs-string">'!'</span>, <span class="hljs-string">'~
         </li>
         
         
-        <li id="section-88">
+        <li id="section-90">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-88">&#182;</a>
+                <a class="pilcrow" href="#section-90">&#182;</a>
               </div>
               <p>Tokens which could legitimately be invoked or indexed. An opening
 parentheses or bracket following these tokens will be recorded as the start
@@ -2207,11 +2265,11 @@ INDEXABLE = CALLABLE.concat [
         </li>
         
         
-        <li id="section-89">
+        <li id="section-91">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-89">&#182;</a>
+                <a class="pilcrow" href="#section-91">&#182;</a>
               </div>
               <p>Tokens which a regular expression will never immediately follow (except spaced
 CALLABLEs in some cases), but which a division operator can.</p>
@@ -2224,11 +2282,11 @@ CALLABLEs in some cases), but which a division operator can.</p>
         </li>
         
         
-        <li id="section-90">
+        <li id="section-92">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-90">&#182;</a>
+                <a class="pilcrow" href="#section-92">&#182;</a>
               </div>
               <p>Tokens that, when immediately preceding a <code>WHEN</code>, indicate that the <code>WHEN</code>
 occurs at the start of a line. We disambiguate these from trailing whens to
@@ -2241,11 +2299,11 @@ avoid an ambiguity in the grammar.</p>
         </li>
         
         
-        <li id="section-91">
+        <li id="section-93">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-91">&#182;</a>
+                <a class="pilcrow" href="#section-93">&#182;</a>
               </div>
               <p>Additional indent in front of these is ignored.</p>
 
@@ -2255,6 +2313,23 @@ avoid an ambiguity in the grammar.</p>
             
         </li>
         
+        
+        <li id="section-94">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-94">&#182;</a>
+              </div>
+              <p>Tokens that, when appearing at the end of a line, suppress a following TERMINATOR/INDENT token</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>UNFINISHED = [<span class="hljs-string">'\\'</span>, <span class="hljs-string">'.'</span>, <span class="hljs-string">'?.'</span>, <span class="hljs-string">'?::'</span>, <span class="hljs-string">'UNARY'</span>, <span class="hljs-string">'MATH'</span>, <span class="hljs-string">'UNARY_MATH'</span>, <span class="hljs-string">'+'</span>, <span class="hljs-string">'-'</span>,
+           <span class="hljs-string">'**'</span>, <span class="hljs-string">'SHIFT'</span>, <span class="hljs-string">'RELATION'</span>, <span class="hljs-string">'COMPARE'</span>, <span class="hljs-string">'&amp;'</span>, <span class="hljs-string">'^'</span>, <span class="hljs-string">'|'</span>, <span class="hljs-string">'&amp;&amp;'</span>, <span class="hljs-string">'||'</span>,
+           <span class="hljs-string">'BIN?'</span>, <span class="hljs-string">'THROW'</span>, <span class="hljs-string">'EXTENDS'</span>, <span class="hljs-string">'DEFAULT'</span>]</pre></div></div>
+            
+        </li>
+        
     </ul>
   </div>
 </body>

docs/v1/annotated-source/nodes.html

@@ -3941,7 +3941,7 @@ CoffeeScript operations into their JavaScript equivalents.</p>
                 <a class="pilcrow" href="#section-155">&#182;</a>
               </div>
               <p>Am I capable of
-<a href="http://docs.python.org/reference/expressions.html#notin">Python-style comparison chaining</a>?</p>
+<a href="https://docs.python.org/3/reference/expressions.html#not-in">Python-style comparison chaining</a>?</p>
 
             </div>
             
@@ -4450,7 +4450,8 @@ parentheses, but no longer – you can put in as many as you please.</p>
       <span class="hljs-keyword">return</span> expr.compileToFragments o
     fragments = expr.compileToFragments o, LEVEL_PAREN
     bare = o.level &lt; LEVEL_OP <span class="hljs-keyword">and</span> (expr <span class="hljs-keyword">instanceof</span> Op <span class="hljs-keyword">or</span> expr <span class="hljs-keyword">instanceof</span> Call <span class="hljs-keyword">or</span>
-      (expr <span class="hljs-keyword">instanceof</span> For <span class="hljs-keyword">and</span> expr.returns))
+      (expr <span class="hljs-keyword">instanceof</span> For <span class="hljs-keyword">and</span> expr.returns)) <span class="hljs-keyword">and</span> (o.level &lt; LEVEL_COND <span class="hljs-keyword">or</span>
+        fragments.length &lt;= <span class="hljs-number">3</span>)
     <span class="hljs-keyword">if</span> bare <span class="hljs-keyword">then</span> fragments <span class="hljs-keyword">else</span> @wrapInBraces fragments</pre></div></div>
             
         </li>

docs/v1/annotated-source/repl.html

@@ -256,7 +256,7 @@ Unwrap that too.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre>      ast = <span class="hljs-keyword">new</span> Block [
-        <span class="hljs-keyword">new</span> Assign (<span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> Literal <span class="hljs-string">'_'</span>), ast, <span class="hljs-string">'='</span>
+        <span class="hljs-keyword">new</span> Assign (<span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> Literal <span class="hljs-string">'__'</span>), ast, <span class="hljs-string">'='</span>
       ]
       js = ast.compile {bare: <span class="hljs-literal">yes</span>, locals: Object.keys(context), referencedVars}
       cb <span class="hljs-literal">null</span>, runInContext js, context, filename
@@ -585,7 +585,7 @@ Unwrap that too.</p>
 
 <span class="hljs-built_in">module</span>.exports =
   start: <span class="hljs-function"><span class="hljs-params">(opts = {})</span> -&gt;</span>
-    [major, minor, build] = process.versions.node.split(<span class="hljs-string">'.'</span>).map (n) -&gt; parseInt(n)
+    [major, minor, build] = process.versions.node.split(<span class="hljs-string">'.'</span>).map (n) -&gt; parseInt(n, <span class="hljs-number">10</span>)
 
     <span class="hljs-keyword">if</span> major <span class="hljs-keyword">is</span> <span class="hljs-number">0</span> <span class="hljs-keyword">and</span> minor &lt; <span class="hljs-number">8</span>
       <span class="hljs-built_in">console</span>.warn <span class="hljs-string">"Node 0.8.0+ required for CoffeeScript REPL"</span>

docs/v1/annotated-source/rewriter.html

@@ -157,7 +157,7 @@ its internal array of tokens.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">exports</span>.<span class="hljs-title">Rewriter</span></span></pre></div></div>
+            <div class="content"><div class='highlight'><pre>exports.Rewriter = <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Rewriter</span></span></pre></div></div>
             
         </li>
         
@@ -168,11 +168,16 @@ its internal array of tokens.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-4">&#182;</a>
               </div>
-              <p>Helpful snippet for debugging:</p>
-<pre><code><span class="hljs-built_in">console</span>.log (t[<span class="hljs-number">0</span>] + <span class="hljs-string">'/'</span> + t[<span class="hljs-number">1</span>] <span class="hljs-keyword">for</span> t <span class="hljs-keyword">in</span> @tokens).join <span class="hljs-string">' '</span>
-</code></pre>
+              <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>
+
             </div>
             
+            <div class="content"><div class='highlight'><pre>  rewrite: <span class="hljs-function"><span class="hljs-params">(@tokens)</span> -&gt;</span></pre></div></div>
+            
         </li>
         
         
@@ -182,16 +187,12 @@ its internal array of tokens.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-5">&#182;</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>
+              <p>Helpful snippet for debugging:
+    console.log (t[0] + ‘/‘ + t[1] for t in @tokens).join ‘ ‘</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  rewrite: <span class="hljs-function"><span class="hljs-params">(@tokens)</span> -&gt;</span>
-    @removeLeadingNewlines()
+            <div class="content"><div class='highlight'><pre>    @removeLeadingNewlines()
     @closeOpenCalls()
     @closeOpenIndexes()
     @normalizeLines()
@@ -449,9 +450,12 @@ and spliced, when returning for getting a new token.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-function">      <span class="hljs-title">inImplicit</span>        = -&gt;</span> stackTop()?[<span class="hljs-number">2</span>]?.ours
-<span class="hljs-function">      <span class="hljs-title">inImplicitCall</span>    = -&gt;</span> inImplicit() <span class="hljs-keyword">and</span> stackTop()?[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'('</span>
-<span class="hljs-function">      <span class="hljs-title">inImplicitObject</span>  = -&gt;</span> inImplicit() <span class="hljs-keyword">and</span> stackTop()?[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'{'</span></pre></div></div>
+            <div class="content"><div class='highlight'><pre><span class="hljs-function">      <span class="hljs-title">isImplicit</span>        = <span class="hljs-params">(stackItem)</span> -&gt;</span> stackItem?[<span class="hljs-number">2</span>]?.ours
+<span class="hljs-function">      <span class="hljs-title">isImplicitObject</span>  = <span class="hljs-params">(stackItem)</span> -&gt;</span> isImplicit(stackItem) <span class="hljs-keyword">and</span> stackItem?[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'{'</span>
+<span class="hljs-function">      <span class="hljs-title">isImplicitCall</span>    = <span class="hljs-params">(stackItem)</span> -&gt;</span> isImplicit(stackItem) <span class="hljs-keyword">and</span> stackItem?[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'('</span>
+<span class="hljs-function">      <span class="hljs-title">inImplicit</span>        = -&gt;</span> isImplicit stackTop()
+<span class="hljs-function">      <span class="hljs-title">inImplicitCall</span>    = -&gt;</span> isImplicitCall stackTop()
+<span class="hljs-function">      <span class="hljs-title">inImplicitObject</span>  = -&gt;</span> isImplicitObject stackTop()</pre></div></div>
             
         </li>
         
@@ -472,7 +476,7 @@ class declaration or if-conditionals)</p>
       <span class="hljs-title">startImplicitCall</span> = <span class="hljs-params">(j)</span> -&gt;</span>
         idx = j ? i
         stack.push [<span class="hljs-string">'('</span>, idx, ours: <span class="hljs-literal">yes</span>]
-        tokens.splice idx, <span class="hljs-number">0</span>, generate <span class="hljs-string">'CALL_START'</span>, <span class="hljs-string">'('</span>
+        tokens.splice idx, <span class="hljs-number">0</span>, generate <span class="hljs-string">'CALL_START'</span>, <span class="hljs-string">'('</span>, [<span class="hljs-string">''</span>, <span class="hljs-string">'implicit function call'</span>, token[<span class="hljs-number">2</span>]]
         i += <span class="hljs-number">1</span> <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> j?
 <span class="hljs-function">
       <span class="hljs-title">endImplicitCall</span> = -&gt;</span>
@@ -509,7 +513,7 @@ class declaration or if-conditionals)</p>
             
             <div class="content"><div class='highlight'><pre>      <span class="hljs-keyword">if</span> inImplicitCall() <span class="hljs-keyword">and</span> tag <span class="hljs-keyword">in</span> [<span class="hljs-string">'IF'</span>, <span class="hljs-string">'TRY'</span>, <span class="hljs-string">'FINALLY'</span>, <span class="hljs-string">'CATCH'</span>,
         <span class="hljs-string">'CLASS'</span>, <span class="hljs-string">'SWITCH'</span>]
-        stack.push [<span class="hljs-string">'CONTROL'</span>, i, ours: <span class="hljs-literal">true</span>]
+        stack.push [<span class="hljs-string">'CONTROL'</span>, i, ours: <span class="hljs-literal">yes</span>]
         <span class="hljs-keyword">return</span> forward(<span class="hljs-number">1</span>)
 
       <span class="hljs-keyword">if</span> tag <span class="hljs-keyword">is</span> <span class="hljs-string">'INDENT'</span> <span class="hljs-keyword">and</span> inImplicit()</pre></div></div>
@@ -734,8 +738,23 @@ like e.g.:</p>
 </code></pre>
             </div>
             
-            <div class="content"><div class='highlight'><pre>
-      stackTop()[<span class="hljs-number">2</span>].sameLine = <span class="hljs-literal">no</span> <span class="hljs-keyword">if</span> inImplicitObject() <span class="hljs-keyword">and</span> tag <span class="hljs-keyword">in</span> LINEBREAKS
+        </li>
+        
+        
+        <li id="section-29">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-29">&#182;</a>
+              </div>
+              <p>Mark all enclosing objects as not sameLine</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      <span class="hljs-keyword">if</span> tag <span class="hljs-keyword">in</span> LINEBREAKS
+        <span class="hljs-keyword">for</span> stackItem <span class="hljs-keyword">in</span> stack <span class="hljs-keyword">by</span> <span class="hljs-number">-1</span>
+          <span class="hljs-keyword">break</span> <span class="hljs-keyword">unless</span> isImplicit stackItem
+          stackItem[<span class="hljs-number">2</span>].sameLine = <span class="hljs-literal">no</span> <span class="hljs-keyword">if</span> isImplicitObject stackItem
 
       newLine = prevTag <span class="hljs-keyword">is</span> <span class="hljs-string">'OUTDENT'</span> <span class="hljs-keyword">or</span> prevToken.newLine
       <span class="hljs-keyword">if</span> tag <span class="hljs-keyword">in</span> IMPLICIT_END <span class="hljs-keyword">or</span> tag <span class="hljs-keyword">in</span> CALL_CLOSERS <span class="hljs-keyword">and</span> newLine
@@ -745,11 +764,11 @@ like e.g.:</p>
         </li>
         
         
-        <li id="section-29">
+        <li id="section-30">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-29">&#182;</a>
+                <a class="pilcrow" href="#section-30">&#182;</a>
               </div>
               <p>Close implicit calls when reached end of argument list</p>
 
@@ -761,11 +780,11 @@ like e.g.:</p>
         </li>
         
         
-        <li id="section-30">
+        <li id="section-31">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-30">&#182;</a>
+                <a class="pilcrow" href="#section-31">&#182;</a>
               </div>
               <p>Close implicit objects such as:
 return a: 1, b: 2 unless true</p>
@@ -779,11 +798,11 @@ return a: 1, b: 2 unless true</p>
         </li>
         
         
-        <li id="section-31">
+        <li id="section-32">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-31">&#182;</a>
+                <a class="pilcrow" href="#section-32">&#182;</a>
               </div>
               <p>Close implicit objects when at end of line, line didn’t end with a comma
 and the implicit object didn’t start the line or the next line doesn’t look like
@@ -801,11 +820,11 @@ the continuation of an object.</p>
         </li>
         
         
-        <li id="section-32">
+        <li id="section-33">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-32">&#182;</a>
+                <a class="pilcrow" href="#section-33">&#182;</a>
               </div>
               <p>Close implicit object if comma is the last character
 and what comes after doesn’t look like it belongs.
@@ -826,11 +845,11 @@ e = <span class="hljs-number">2</span>
         </li>
         
         
-        <li id="section-33">
+        <li id="section-34">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-33">&#182;</a>
+                <a class="pilcrow" href="#section-34">&#182;</a>
               </div>
               <p>When nextTag is OUTDENT the comma is insignificant and
 should just be ignored so embed it in the implicit object.</p>
@@ -848,11 +867,11 @@ array further up the stack, so give it a chance.</p>
         </li>
         
         
-        <li id="section-34">
+        <li id="section-35">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-34">&#182;</a>
+                <a class="pilcrow" href="#section-35">&#182;</a>
               </div>
               <p>Add location data to all tokens generated by the rewriter.</p>
 
@@ -878,11 +897,11 @@ array further up the stack, so give it a chance.</p>
         </li>
         
         
-        <li id="section-35">
+        <li id="section-36">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-35">&#182;</a>
+                <a class="pilcrow" href="#section-36">&#182;</a>
               </div>
               <p>OUTDENT tokens should always be positioned at the last character of the
 previous token, so that AST nodes ending in an OUTDENT token end up with a
@@ -906,11 +925,11 @@ location corresponding to the last “real” token under the node.</p>
         </li>
         
         
-        <li id="section-36">
+        <li id="section-37">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-36">&#182;</a>
+                <a class="pilcrow" href="#section-37">&#182;</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
@@ -928,7 +947,8 @@ blocks are added.</p>
       <span class="hljs-keyword">not</span> (token[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'TERMINATOR'</span> <span class="hljs-keyword">and</span> @tag(i + <span class="hljs-number">1</span>) <span class="hljs-keyword">in</span> EXPRESSION_CLOSE) <span class="hljs-keyword">and</span>
       <span class="hljs-keyword">not</span> (token[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'ELSE'</span> <span class="hljs-keyword">and</span> starter <span class="hljs-keyword">isnt</span> <span class="hljs-string">'THEN'</span>) <span class="hljs-keyword">and</span>
       <span class="hljs-keyword">not</span> (token[<span class="hljs-number">0</span>] <span class="hljs-keyword">in</span> [<span class="hljs-string">'CATCH'</span>, <span class="hljs-string">'FINALLY'</span>] <span class="hljs-keyword">and</span> starter <span class="hljs-keyword">in</span> [<span class="hljs-string">'-&gt;'</span>, <span class="hljs-string">'=&gt;'</span>]) <span class="hljs-keyword">or</span>
-      token[<span class="hljs-number">0</span>] <span class="hljs-keyword">in</span> CALL_CLOSERS <span class="hljs-keyword">and</span> @tokens[i - <span class="hljs-number">1</span>].newLine
+      token[<span class="hljs-number">0</span>] <span class="hljs-keyword">in</span> CALL_CLOSERS <span class="hljs-keyword">and</span>
+      (@tokens[i - <span class="hljs-number">1</span>].newLine <span class="hljs-keyword">or</span> @tokens[i - <span class="hljs-number">1</span>][<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'OUTDENT'</span>)
 <span class="hljs-function">
     <span class="hljs-title">action</span> = <span class="hljs-params">(token, i)</span> -&gt;</span>
       @tokens.splice (<span class="hljs-keyword">if</span> @tag(i - <span class="hljs-number">1</span>) <span class="hljs-keyword">is</span> <span class="hljs-string">','</span> <span class="hljs-keyword">then</span> i - <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> i), <span class="hljs-number">0</span>, outdent
@@ -960,11 +980,11 @@ blocks are added.</p>
         </li>
         
         
-        <li id="section-37">
+        <li id="section-38">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-37">&#182;</a>
+                <a class="pilcrow" href="#section-38">&#182;</a>
               </div>
               <p>Tag postfix conditionals as such, so that we can parse them with a
 different precedence.</p>
@@ -993,11 +1013,11 @@ different precedence.</p>
         </li>
         
         
-        <li id="section-38">
+        <li id="section-39">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-38">&#182;</a>
+                <a class="pilcrow" href="#section-39">&#182;</a>
               </div>
               <p>Generate the indentation tokens, based on another token on the same line.</p>
 
@@ -1018,11 +1038,11 @@ different precedence.</p>
         </li>
         
         
-        <li id="section-39">
+        <li id="section-40">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-39">&#182;</a>
+                <a class="pilcrow" href="#section-40">&#182;</a>
               </div>
               <p>Look up a tag by token index.</p>
 
@@ -1033,26 +1053,14 @@ different precedence.</p>
         </li>
         
         
-        <li id="section-40">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-40">&#182;</a>
-              </div>
-              <h2 id="constants">Constants</h2>
-
-            </div>
-            
-        </li>
-        
-        
         <li id="section-41">
             <div class="annotation">
               
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-41">&#182;</a>
               </div>
-              
+              <h2 id="constants">Constants</h2>
+
             </div>
             
         </li>
@@ -1064,6 +1072,18 @@ different precedence.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-42">&#182;</a>
               </div>
+              
+            </div>
+            
+        </li>
+        
+        
+        <li id="section-43">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-43">&#182;</a>
+              </div>
               <p>List of the token pairs that must be balanced.</p>
 
             </div>
@@ -1083,11 +1103,11 @@ different precedence.</p>
         </li>
         
         
-        <li id="section-43">
+        <li id="section-44">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-43">&#182;</a>
+                <a class="pilcrow" href="#section-44">&#182;</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>
@@ -1099,11 +1119,11 @@ look things up from either end.</p>
         </li>
         
         
-        <li id="section-44">
+        <li id="section-45">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-44">&#182;</a>
+                <a class="pilcrow" href="#section-45">&#182;</a>
               </div>
               <p>The tokens that signal the start/end of a balanced pair.</p>
 
@@ -1119,11 +1139,11 @@ EXPRESSION_END   = []
         </li>
         
         
-        <li id="section-45">
+        <li id="section-46">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-45">&#182;</a>
+                <a class="pilcrow" href="#section-46">&#182;</a>
               </div>
               <p>Tokens that indicate the close of a clause of an expression.</p>
 
@@ -1134,11 +1154,11 @@ EXPRESSION_END   = []
         </li>
         
         
-        <li id="section-46">
+        <li id="section-47">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-46">&#182;</a>
+                <a class="pilcrow" href="#section-47">&#182;</a>
               </div>
               <p>Tokens that, if followed by an <code>IMPLICIT_CALL</code>, indicate a function invocation.</p>
 
@@ -1149,11 +1169,11 @@ EXPRESSION_END   = []
         </li>
         
         
-        <li id="section-47">
+        <li id="section-48">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-47">&#182;</a>
+                <a class="pilcrow" href="#section-48">&#182;</a>
               </div>
               <p>If preceded by an <code>IMPLICIT_FUNC</code>, indicates a function invocation.</p>
 
@@ -1173,11 +1193,11 @@ IMPLICIT_UNSPACED_CALL = [<span class="hljs-string">'+'</span>, <span class="hlj
         </li>
         
         
-        <li id="section-48">
+        <li id="section-49">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-48">&#182;</a>
+                <a class="pilcrow" href="#section-49">&#182;</a>
               </div>
               <p>Tokens that always mark the end of an implicit call for single-liners.</p>
 
@@ -1189,11 +1209,11 @@ IMPLICIT_UNSPACED_CALL = [<span class="hljs-string">'+'</span>, <span class="hlj
         </li>
         
         
-        <li id="section-49">
+        <li id="section-50">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-49">&#182;</a>
+                <a class="pilcrow" href="#section-50">&#182;</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>
@@ -1206,11 +1226,11 @@ SINGLE_CLOSERS   = [<span class="hljs-string">'TERMINATOR'</span>, <span class="
         </li>
         
         
-        <li id="section-50">
+        <li id="section-51">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-50">&#182;</a>
+                <a class="pilcrow" href="#section-51">&#182;</a>
               </div>
               <p>Tokens that end a line.</p>
 
@@ -1221,11 +1241,11 @@ SINGLE_CLOSERS   = [<span class="hljs-string">'TERMINATOR'</span>, <span class="
         </li>
         
         
-        <li id="section-51">
+        <li id="section-52">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-51">&#182;</a>
+                <a class="pilcrow" href="#section-52">&#182;</a>
               </div>
               <p>Tokens that close open calls when they follow a newline.</p>
 

docs/v1/annotated-source/sourcemap.html

@@ -406,7 +406,7 @@ column for the current line:</p>
               </div>
               <p>Note that SourceMap VLQ encoding is “backwards”.  MIDI-style VLQ encoding puts
 the most-significant-bit (MSB) from the original value into the MSB of the VLQ
-encoded value (see <a href="http://en.wikipedia.org/wiki/File:Uintvar_coding.svg">Wikipedia</a>).
+encoded value (see <a href="https://en.wikipedia.org/wiki/File:Uintvar_coding.svg">Wikipedia</a>).
 SourceMap VLQ does things the other way around, with the least significat four
 bits of the original value encoded into the first byte of the VLQ encoded value.</p>
 

docs/v1/browser-compiler/coffee-script.js

@@ -1,400 +1,405 @@
 /**
- * CoffeeScript Compiler v1.12.5
+ * CoffeeScript Compiler v1.12.7
  * http://coffeescript.org
  *
  * Copyright 2011, Jeremy Ashkenas
  * Released under the MIT License
  */
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-"!"===this.value()&&(y=this.tokens.pop(),e="!"+e))));"IDENTIFIER"===l&&0<=X.call(W,e)&&this.error("reserved word '"+e+"'",{length:e.length});"PROPERTY"!==l&&(0<=X.call(a,e)&&(g=e,e=c[e]),l=function(){switch(e){case "!":return"UNARY";case "\x3d\x3d":case "!\x3d":return"COMPARE";case "true":case "false":return"BOOL";case "break":case "continue":case "debugger":return"STATEMENT";case "\x26\x26":case "||":return e;default:return l}}());z=this.token(l,e,0,k);g&&(z.origin=[l,g,z[2]]);y&&(g=[y[2].first_line,
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-{offset:c.length}):(this.indebt=0,this.outdentToken(this.indent-g,a,c.length));return c.length};e.prototype.outdentToken=function(a,c,g){var e,h,m,k;for(e=this.indent-a;0<a;)(m=this.indents[this.indents.length-1])?m===this.outdebt?(a-=this.outdebt,this.outdebt=0):m<this.outdebt?(this.outdebt-=m,a-=m):(h=this.indents.pop()+this.outdebt,g&&(k=this.chunk[g],0<=X.call(z,k))&&(e-=h-a,a=h),this.outdebt=0,this.pair("OUTDENT"),this.token("OUTDENT",a,0,g),a-=h):a=0;h&&(this.outdebt-=a);for(;";"===this.value();)this.tokens.pop();
-"TERMINATOR"===this.tag()||c||this.token("TERMINATOR","\n",g,0);this.indent=e;return this};e.prototype.whitespaceToken=function(){var a,c;if(!(a=ea.exec(this.chunk))&&"\n"!==this.chunk.charAt(0))return 0;c=this.tokens;(c=c[c.length-1])&&(c[a?"spaced":"newLine"]=!0);return a?a[0].length:0};e.prototype.newlineToken=function(a){for(;";"===this.value();)this.tokens.pop();"TERMINATOR"!==this.tag()&&this.token("TERMINATOR","\n",a,0);return this};e.prototype.suppressNewlines=function(){"\\"===this.value()&&
-this.tokens.pop();return this};e.prototype.literalToken=function(){var a,c,g,e,h,m,k,q;(a=T.exec(this.chunk))?(a=a[0],V.test(a)&&this.tagParameters()):a=this.chunk.charAt(0);q=a;e=this.tokens;if((e=e[e.length-1])&&0<=X.call(["\x3d"].concat(sa.call(p)),a)&&(k=!1,"\x3d"!==a||"||"!==(g=e[1])&&"\x26\x26"!==g||e.spaced||(e[0]="COMPOUND_ASSIGN",e[1]+="\x3d",e=this.tokens[this.tokens.length-2],k=!0),e&&"PROPERTY"!==e[0]&&(g=null!=(c=e.origin)?c:e,(c=la(e[1],g[1]))&&this.error(c,g[2])),k))return a.length;
-"{"===a&&this.seenImport?this.importSpecifierList=!0:this.importSpecifierList&&"}"===a?this.importSpecifierList=!1:"{"===a&&"EXPORT"===(null!=e?e[0]:void 0)?this.exportSpecifierList=!0:this.exportSpecifierList&&"}"===a&&(this.exportSpecifierList=!1);if(";"===a)this.seenFor=this.seenImport=this.seenExport=!1,q="TERMINATOR";else if("*"===a&&"EXPORT"===e[0])q="EXPORT_ALL";else if(0<=X.call(y,a))q="MATH";else if(0<=X.call(v,a))q="COMPARE";else if(0<=X.call(p,a))q="COMPOUND_ASSIGN";else if(0<=X.call(Ua,
-a))q="UNARY";else if(0<=X.call(ja,a))q="UNARY_MATH";else if(0<=X.call(P,a))q="SHIFT";else if("?"===a&&null!=e&&e.spaced)q="BIN?";else if(e&&!e.spaced)if("("===a&&(h=e[0],0<=X.call(Ba,h)))"?"===e[0]&&(e[0]="FUNC_EXIST"),q="CALL_START";else if("["===a&&(m=e[0],0<=X.call(E,m)))switch(q="INDEX_START",e[0]){case "?":e[0]="INDEX_SOAK"}h=this.makeToken(q,a);switch(a){case "(":case "{":case "[":this.ends.push({tag:N[a],origin:h});break;case ")":case "}":case "]":this.pair(a)}this.tokens.push(h);return a.length};
-e.prototype.tagParameters=function(){var a,c,g,e;if(")"!==this.tag())return this;c=[];e=this.tokens;a=e.length;for(e[--a][0]="PARAM_END";g=e[--a];)switch(g[0]){case ")":c.push(g);break;case "(":case "CALL_START":if(c.length)c.pop();else return"("===g[0]&&(g[0]="PARAM_START"),this}return this};e.prototype.closeIndentation=function(){return this.outdentToken(this.indent)};e.prototype.matchWithInterpolations=function(a,c){var g,h,m,k,q,p,r,y;y=[];q=c.length;if(this.chunk.slice(0,q)!==c)return null;for(r=
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-a):return"'"+c+"' can't be assigned";case 0>X.call(W,a):return"reserved word '"+c+"' can't be assigned";default:return!1}};e.isUnassignable=la;ka=function(a){var c;return"IDENTIFIER"===a[0]?("from"===a[1]&&(a[1][0]="IDENTIFIER",!0),!0):"FOR"===a[0]?!1:"{"===(c=a[1])||"["===c||","===c||":"===c?!1:!0};m="true false null this new delete typeof in instanceof return throw break continue debugger yield if else switch for while do try catch finally class extends super import export default".split(" ");Da=
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-break;case 55:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Assign(b.addLocationDataFn(d[a-4])(new b.Value(f[a-4])),f[a-1],null,{operatorToken:b.addLocationDataFn(d[a-3])(new b.Literal(f[a-3]))}));break;case 62:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Return(f[a]));break;case 63:this.$=b.addLocationDataFn(d[a],d[a])(new b.Return);break;case 64:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.YieldReturn(f[a]));break;case 65:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.YieldReturn);break;case 66:this.$=
-b.addLocationDataFn(d[a],d[a])(new b.Comment(f[a]));break;case 67:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Code(f[a-3],f[a],f[a-1]));break;case 68:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Code([],f[a],f[a-1]));break;case 69:this.$=b.addLocationDataFn(d[a],d[a])("func");break;case 70:this.$=b.addLocationDataFn(d[a],d[a])("boundfunc");break;case 73:case 110:this.$=b.addLocationDataFn(d[a],d[a])([]);break;case 74:case 111:case 130:case 150:case 182:case 224:this.$=b.addLocationDataFn(d[a],
-d[a])([f[a]]);break;case 75:case 112:case 131:case 151:case 183:this.$=b.addLocationDataFn(d[a-2],d[a])(f[a-2].concat(f[a]));break;case 76:case 113:case 132:case 152:case 184:this.$=b.addLocationDataFn(d[a-3],d[a])(f[a-3].concat(f[a]));break;case 77:case 114:case 134:case 154:case 186:this.$=b.addLocationDataFn(d[a-5],d[a])(f[a-5].concat(f[a-2]));break;case 78:this.$=b.addLocationDataFn(d[a],d[a])(new b.Param(f[a]));break;case 79:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Param(f[a-1],null,!0));
-break;case 80:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Param(f[a-2],f[a]));break;case 81:case 189:this.$=b.addLocationDataFn(d[a],d[a])(new b.Expansion);break;case 86:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Splat(f[a-1]));break;case 88:this.$=b.addLocationDataFn(d[a-1],d[a])(f[a-1].add(f[a]));break;case 89:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Value(f[a-1],[].concat(f[a])));break;case 99:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Access(f[a]));break;case 100:this.$=b.addLocationDataFn(d[a-
-1],d[a])(new b.Access(f[a],"soak"));break;case 101:this.$=b.addLocationDataFn(d[a-1],d[a])([b.addLocationDataFn(d[a-1])(new b.Access(new b.PropertyName("prototype"))),b.addLocationDataFn(d[a])(new b.Access(f[a]))]);break;case 102:this.$=b.addLocationDataFn(d[a-1],d[a])([b.addLocationDataFn(d[a-1])(new b.Access(new b.PropertyName("prototype"),"soak")),b.addLocationDataFn(d[a])(new b.Access(f[a]))]);break;case 103:this.$=b.addLocationDataFn(d[a],d[a])(new b.Access(new b.PropertyName("prototype")));
-break;case 106:this.$=b.addLocationDataFn(d[a-1],d[a])(b.extend(f[a],{soak:!0}));break;case 107:this.$=b.addLocationDataFn(d[a],d[a])(new b.Index(f[a]));break;case 108:this.$=b.addLocationDataFn(d[a],d[a])(new b.Slice(f[a]));break;case 109:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Obj(f[a-2],f[a-3].generated));break;case 115:this.$=b.addLocationDataFn(d[a],d[a])(new b.Class);break;case 116:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Class(null,null,f[a]));break;case 117:this.$=b.addLocationDataFn(d[a-
-2],d[a])(new b.Class(null,f[a]));break;case 118:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Class(null,f[a-1],f[a]));break;case 119:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Class(f[a]));break;case 120:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Class(f[a-1],null,f[a]));break;case 121:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Class(f[a-2],f[a]));break;case 122:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Class(f[a-3],f[a-1],f[a]));break;case 123:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.ImportDeclaration(null,
-f[a]));break;case 124:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.ImportDeclaration(new b.ImportClause(f[a-2],null),f[a]));break;case 125:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.ImportDeclaration(new b.ImportClause(null,f[a-2]),f[a]));break;case 126:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.ImportDeclaration(new b.ImportClause(null,new b.ImportSpecifierList([])),f[a]));break;case 127:this.$=b.addLocationDataFn(d[a-6],d[a])(new b.ImportDeclaration(new b.ImportClause(null,new b.ImportSpecifierList(f[a-
-4])),f[a]));break;case 128:this.$=b.addLocationDataFn(d[a-5],d[a])(new b.ImportDeclaration(new b.ImportClause(f[a-4],f[a-2]),f[a]));break;case 129:this.$=b.addLocationDataFn(d[a-8],d[a])(new b.ImportDeclaration(new b.ImportClause(f[a-7],new b.ImportSpecifierList(f[a-4])),f[a]));break;case 133:case 153:case 169:case 185:this.$=b.addLocationDataFn(d[a-3],d[a])(f[a-2]);break;case 135:this.$=b.addLocationDataFn(d[a],d[a])(new b.ImportSpecifier(f[a]));break;case 136:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ImportSpecifier(f[a-
-2],f[a]));break;case 137:this.$=b.addLocationDataFn(d[a],d[a])(new b.ImportSpecifier(new b.Literal(f[a])));break;case 138:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ImportSpecifier(new b.Literal(f[a-2]),f[a]));break;case 139:this.$=b.addLocationDataFn(d[a],d[a])(new b.ImportDefaultSpecifier(f[a]));break;case 140:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ImportNamespaceSpecifier(new b.Literal(f[a-2]),f[a]));break;case 141:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ExportNamedDeclaration(new b.ExportSpecifierList([])));
-break;case 142:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.ExportNamedDeclaration(new b.ExportSpecifierList(f[a-2])));break;case 143:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.ExportNamedDeclaration(f[a]));break;case 144:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.ExportNamedDeclaration(new b.Assign(f[a-2],f[a],null,{moduleDeclaration:"export"})));break;case 145:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.ExportNamedDeclaration(new b.Assign(f[a-3],f[a],null,{moduleDeclaration:"export"})));
-break;case 146:this.$=b.addLocationDataFn(d[a-5],d[a])(new b.ExportNamedDeclaration(new b.Assign(f[a-4],f[a-1],null,{moduleDeclaration:"export"})));break;case 147:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ExportDefaultDeclaration(f[a]));break;case 148:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.ExportAllDeclaration(new b.Literal(f[a-2]),f[a]));break;case 149:this.$=b.addLocationDataFn(d[a-6],d[a])(new b.ExportNamedDeclaration(new b.ExportSpecifierList(f[a-4]),f[a]));break;case 155:this.$=b.addLocationDataFn(d[a],
-d[a])(new b.ExportSpecifier(f[a]));break;case 156:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ExportSpecifier(f[a-2],f[a]));break;case 157:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ExportSpecifier(f[a-2],new b.Literal(f[a])));break;case 158:this.$=b.addLocationDataFn(d[a],d[a])(new b.ExportSpecifier(new b.Literal(f[a])));break;case 159:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.ExportSpecifier(new b.Literal(f[a-2]),f[a]));break;case 160:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.TaggedTemplateCall(f[a-
-2],f[a],f[a-1]));break;case 161:case 162:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Call(f[a-2],f[a],f[a-1]));break;case 164:this.$=b.addLocationDataFn(d[a],d[a])(new b.SuperCall);break;case 165:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.SuperCall(f[a]));break;case 166:this.$=b.addLocationDataFn(d[a],d[a])(!1);break;case 167:this.$=b.addLocationDataFn(d[a],d[a])(!0);break;case 168:this.$=b.addLocationDataFn(d[a-1],d[a])([]);break;case 170:case 171:this.$=b.addLocationDataFn(d[a],d[a])(new b.Value(new b.ThisLiteral));
-break;case 172:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Value(b.addLocationDataFn(d[a-1])(new b.ThisLiteral),[b.addLocationDataFn(d[a])(new b.Access(f[a]))],"this"));break;case 173:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Arr([]));break;case 174:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Arr(f[a-2]));break;case 175:this.$=b.addLocationDataFn(d[a],d[a])("inclusive");break;case 176:this.$=b.addLocationDataFn(d[a],d[a])("exclusive");break;case 177:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Range(f[a-
-3],f[a-1],f[a-2]));break;case 178:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Range(f[a-2],f[a],f[a-1]));break;case 179:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Range(f[a-1],null,f[a]));break;case 180:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Range(null,f[a],f[a-1]));break;case 181:this.$=b.addLocationDataFn(d[a],d[a])(new b.Range(null,null,f[a]));break;case 191:this.$=b.addLocationDataFn(d[a-2],d[a])([].concat(f[a-2],f[a]));break;case 192:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Try(f[a]));
-break;case 193:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Try(f[a-1],f[a][0],f[a][1]));break;case 194:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Try(f[a-2],null,null,f[a]));break;case 195:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Try(f[a-3],f[a-2][0],f[a-2][1],f[a]));break;case 196:this.$=b.addLocationDataFn(d[a-2],d[a])([f[a-1],f[a]]);break;case 197:this.$=b.addLocationDataFn(d[a-2],d[a])([b.addLocationDataFn(d[a-1])(new b.Value(f[a-1])),f[a]]);break;case 198:this.$=b.addLocationDataFn(d[a-
-1],d[a])([null,f[a]]);break;case 199:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Throw(f[a]));break;case 200:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Parens(f[a-1]));break;case 201:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Parens(f[a-2]));break;case 202:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.While(f[a]));break;case 203:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.While(f[a-2],{guard:f[a]}));break;case 204:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.While(f[a],{invert:!0}));break;
-case 205:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.While(f[a-2],{invert:!0,guard:f[a]}));break;case 206:this.$=b.addLocationDataFn(d[a-1],d[a])(f[a-1].addBody(f[a]));break;case 207:case 208:this.$=b.addLocationDataFn(d[a-1],d[a])(f[a].addBody(b.addLocationDataFn(d[a-1])(b.Block.wrap([f[a-1]]))));break;case 209:this.$=b.addLocationDataFn(d[a],d[a])(f[a]);break;case 210:this.$=b.addLocationDataFn(d[a-1],d[a])((new b.While(b.addLocationDataFn(d[a-1])(new b.BooleanLiteral("true")))).addBody(f[a]));
-break;case 211:this.$=b.addLocationDataFn(d[a-1],d[a])((new b.While(b.addLocationDataFn(d[a-1])(new b.BooleanLiteral("true")))).addBody(b.addLocationDataFn(d[a])(b.Block.wrap([f[a]]))));break;case 212:case 213:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.For(f[a-1],f[a]));break;case 214:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.For(f[a],f[a-1]));break;case 215:this.$=b.addLocationDataFn(d[a-1],d[a])({source:b.addLocationDataFn(d[a])(new b.Value(f[a]))});break;case 216:this.$=b.addLocationDataFn(d[a-
-3],d[a])({source:b.addLocationDataFn(d[a-2])(new b.Value(f[a-2])),step:f[a]});break;case 217:b=b.addLocationDataFn(d[a-1],d[a]);f[a].own=f[a-1].own;f[a].ownTag=f[a-1].ownTag;f[a].name=f[a-1][0];f[a].index=f[a-1][1];this.$=b(f[a]);break;case 218:this.$=b.addLocationDataFn(d[a-1],d[a])(f[a]);break;case 219:c=b.addLocationDataFn(d[a-2],d[a]);f[a].own=!0;f[a].ownTag=b.addLocationDataFn(d[a-1])(new b.Literal(f[a-1]));this.$=c(f[a]);break;case 225:this.$=b.addLocationDataFn(d[a-2],d[a])([f[a-2],f[a]]);
-break;case 226:this.$=b.addLocationDataFn(d[a-1],d[a])({source:f[a]});break;case 227:this.$=b.addLocationDataFn(d[a-1],d[a])({source:f[a],object:!0});break;case 228:this.$=b.addLocationDataFn(d[a-3],d[a])({source:f[a-2],guard:f[a]});break;case 229:this.$=b.addLocationDataFn(d[a-3],d[a])({source:f[a-2],guard:f[a],object:!0});break;case 230:this.$=b.addLocationDataFn(d[a-3],d[a])({source:f[a-2],step:f[a]});break;case 231:this.$=b.addLocationDataFn(d[a-5],d[a])({source:f[a-4],guard:f[a-2],step:f[a]});
-break;case 232:this.$=b.addLocationDataFn(d[a-5],d[a])({source:f[a-4],step:f[a-2],guard:f[a]});break;case 233:this.$=b.addLocationDataFn(d[a-1],d[a])({source:f[a],from:!0});break;case 234:this.$=b.addLocationDataFn(d[a-3],d[a])({source:f[a-2],guard:f[a],from:!0});break;case 235:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Switch(f[a-3],f[a-1]));break;case 236:this.$=b.addLocationDataFn(d[a-6],d[a])(new b.Switch(f[a-5],f[a-3],f[a-1]));break;case 237:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Switch(null,
-f[a-1]));break;case 238:this.$=b.addLocationDataFn(d[a-5],d[a])(new b.Switch(null,f[a-3],f[a-1]));break;case 240:this.$=b.addLocationDataFn(d[a-1],d[a])(f[a-1].concat(f[a]));break;case 241:this.$=b.addLocationDataFn(d[a-2],d[a])([[f[a-1],f[a]]]);break;case 242:this.$=b.addLocationDataFn(d[a-3],d[a])([[f[a-2],f[a-1]]]);break;case 243:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.If(f[a-1],f[a],{type:f[a-2]}));break;case 244:this.$=b.addLocationDataFn(d[a-4],d[a])(f[a-4].addElse(b.addLocationDataFn(d[a-
-2],d[a])(new b.If(f[a-1],f[a],{type:f[a-2]}))));break;case 246:this.$=b.addLocationDataFn(d[a-2],d[a])(f[a-2].addElse(f[a]));break;case 247:case 248:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.If(f[a],b.addLocationDataFn(d[a-2])(b.Block.wrap([f[a-2]])),{type:f[a-1],statement:!0}));break;case 251:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("-",f[a]));break;case 252:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("+",f[a]));break;case 253:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("--",
-f[a]));break;case 254:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("++",f[a]));break;case 255:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("--",f[a-1],null,!0));break;case 256:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Op("++",f[a-1],null,!0));break;case 257:this.$=b.addLocationDataFn(d[a-1],d[a])(new b.Existence(f[a-1]));break;case 258:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Op("+",f[a-2],f[a]));break;case 259:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Op("-",f[a-2],f[a]));break;
-case 260:case 261:case 262:case 263:case 264:case 265:case 266:case 267:case 268:case 269:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Op(f[a-1],f[a-2],f[a]));break;case 270:d=b.addLocationDataFn(d[a-2],d[a]);f="!"===f[a-1].charAt(0)?(new b.Op(f[a-1].slice(1),f[a-2],f[a])).invert():new b.Op(f[a-1],f[a-2],f[a]);this.$=d(f);break;case 271:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Assign(f[a-2],f[a],f[a-1]));break;case 272:this.$=b.addLocationDataFn(d[a-4],d[a])(new b.Assign(f[a-4],f[a-1],f[a-3]));
-break;case 273:this.$=b.addLocationDataFn(d[a-3],d[a])(new b.Assign(f[a-3],f[a],f[a-2]));break;case 274:this.$=b.addLocationDataFn(d[a-2],d[a])(new b.Extends(f[a-2],f[a]))}},table:[{1:[2,1],3:1,4:2,5:3,7:4,8:5,9:6,10:20,11:21,12:c,13:23,14:24,15:7,16:8,17:9,18:10,19:11,20:12,21:13,22:14,23:15,24:16,25:17,26:18,27:19,28:t,33:70,34:g,37:55,38:v,39:80,40:p,41:l,43:57,44:G,45:F,47:27,48:x,49:w,50:K,51:M,52:I,53:z,54:26,60:71,61:E,62:N,63:k,66:33,67:m,68:q,74:53,75:54,77:40,79:28,80:29,81:30,92:r,95:h,
-97:y,105:O,111:31,112:u,117:B,118:T,119:S,125:H,129:ba,130:R,132:43,133:C,135:A,136:44,137:W,138:45,139:D,141:77,149:P,154:41,155:Y,157:Z,158:U,159:aa,160:J,161:ca,162:Q},{1:[3]},{1:[2,2],6:Ba},a(va,[2,3]),a(va,[2,6],{141:77,132:102,138:103,133:C,135:A,139:D,156:pa,159:ja,160:da,163:ea,164:ha,165:ia,166:ka,167:la,168:L,169:fa,170:qa,171:ra,172:X,173:sa,174:ma}),a(va,[2,7],{141:77,132:105,138:106,133:C,135:A,139:D,156:Ca}),a(va,[2,8]),a(ta,[2,14],{109:107,78:108,86:114,40:ua,41:ua,114:ua,82:Ra,83:Ga,
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+return this.scanTokens(function(c,h){"INDEX_START"===c[0]&&this.detectEnd(h+1,a,b);return 1})};n.prototype.indexOfTag=function(){var c,b,f,h;var n=arguments[0];var k=2<=arguments.length?a.call(arguments,1):[];var e=b=c=0;for(f=k.length;0<=f?b<f:b>f;e=0<=f?++b:--b){for(;"HERECOMMENT"===this.tag(n+e+c);)c+=2;if(null!=k[e]&&("string"===typeof k[e]&&(k[e]=[k[e]]),h=this.tag(n+e+c),0>x.call(k[e],h)))return-1}return n+e+c-1};n.prototype.looksObjectish=function(a){if(-1<this.indexOfTag(a,"@",null,":")||
+-1<this.indexOfTag(a,null,":"))return!0;a=this.indexOfTag(a,f);if(-1<a){var c=null;this.detectEnd(a+1,function(a){var c;return c=a[0],0<=x.call(k,c)},function(a,b){return c=b});if(":"===this.tag(c+1))return!0}return!1};n.prototype.findTagsBackwards=function(a,b){var c,h,n,w,e,p,y;for(c=[];0<=a&&(c.length||(w=this.tag(a),0>x.call(b,w))&&((e=this.tag(a),0>x.call(f,e))||this.tokens[a].generated)&&(p=this.tag(a),0>x.call(Q,p)));)(h=this.tag(a),0<=x.call(k,h))&&c.push(this.tag(a)),(n=this.tag(a),0<=x.call(f,
+n))&&c.length&&c.pop(),--a;return y=this.tag(a),0<=x.call(b,y)};n.prototype.addImplicitBracesAndParens=function(){var a=[];var n=null;return this.scanTokens(function(c,h,e){var q,w,p,t;var H=c[0];var K=(q=0<h?e[h-1]:[])[0];var u=(h<e.length-1?e[h+1]:[])[0];var z=function(){return a[a.length-1]};var D=h;var A=function(a){return h-D+a};var I=function(a){var c;return null!=a?null!=(c=a[2])?c.ours:void 0:void 0};var E=function(a){return I(a)&&"{"===(null!=a?a[0]:void 0)};var G=function(a){return I(a)&&
+"("===(null!=a?a[0]:void 0)};var O=function(){return I(z())};var C=function(){return G(z())};var S=function(){return E(z())};var v=function(){var a;return O&&"CONTROL"===(null!=(a=z())?a[0]:void 0)};var X=function(f){var n=null!=f?f:h;a.push(["(",n,{ours:!0}]);e.splice(n,0,b("CALL_START","(",["","implicit function call",c[2]]));if(null==f)return h+=1};var R=function(){a.pop();e.splice(h,0,b("CALL_END",")",["","end of input",c[2]]));return h+=1};var M=function(f,n){null==n&&(n=!0);var q=null!=f?f:
+h;a.push(["{",q,{sameLine:!0,startsLine:n,ours:!0}]);n=new String("{");n.generated=!0;e.splice(q,0,b("{",n,c));if(null==f)return h+=1};var r=function(f){f=null!=f?f:h;a.pop();e.splice(f,0,b("}","}",c));return h+=1};if(C()&&("IF"===H||"TRY"===H||"FINALLY"===H||"CATCH"===H||"CLASS"===H||"SWITCH"===H))return a.push(["CONTROL",h,{ours:!0}]),A(1);if("INDENT"===H&&O()){if("\x3d\x3e"!==K&&"-\x3e"!==K&&"["!==K&&"("!==K&&","!==K&&"{"!==K&&"TRY"!==K&&"ELSE"!==K&&"\x3d"!==K)for(;C();)R();v()&&a.pop();a.push([H,
+h]);return A(1)}if(0<=x.call(f,H))return a.push([H,h]),A(1);if(0<=x.call(k,H)){for(;O();)C()?R():S()?r():a.pop();n=a.pop()}if((0<=x.call(J,H)&&c.spaced||"?"===H&&0<h&&!e[h-1].spaced)&&(0<=x.call(F,u)||0<=x.call(N,u)&&(null==(w=e[h+1])||!w.spaced)&&(null==(p=e[h+1])||!p.newLine)))return"?"===H&&(H=c[0]="FUNC_EXIST"),X(h+1),A(2);if(0<=x.call(J,H)&&-1<this.indexOfTag(h+1,"INDENT")&&this.looksObjectish(h+2)&&!this.findTagsBackwards(h,"CLASS EXTENDS IF CATCH SWITCH LEADING_WHEN FOR WHILE UNTIL".split(" ")))return X(h+
+1),a.push(["INDENT",h+2]),A(3);if(":"===H){for(r=function(){var a;switch(!1){case a=this.tag(h-1),0>x.call(k,a):return n[1];case "@"!==this.tag(h-2):return h-2;default:return h-1}}.call(this);"HERECOMMENT"===this.tag(r-2);)r-=2;this.insideForDeclaration="FOR"===u;q=0===r||(t=this.tag(r-1),0<=x.call(Q,t))||e[r-1].newLine;if(z()&&(S=z(),t=S[0],v=S[1],("{"===t||"INDENT"===t&&"{"===this.tag(v-1))&&(q||","===this.tag(r-1)||"{"===this.tag(r-1))))return A(1);M(r,!!q);return A(2)}if(0<=x.call(Q,H))for(M=
+a.length-1;0<=M;M+=-1){t=a[M];if(!I(t))break;E(t)&&(t[2].sameLine=!1)}M="OUTDENT"===K||q.newLine;if(0<=x.call(y,H)||0<=x.call(B,H)&&M)for(;O();)if(M=z(),t=M[0],v=M[1],q=M[2],M=q.sameLine,q=q.startsLine,C()&&","!==K)R();else if(S()&&!this.insideForDeclaration&&M&&"TERMINATOR"!==H&&":"!==K)r();else if(!S()||"TERMINATOR"!==H||","===K||q&&this.looksObjectish(h+1))break;else{if("HERECOMMENT"===u)return A(1);r()}if(!(","!==H||this.looksObjectish(h+1)||!S()||this.insideForDeclaration||"TERMINATOR"===u&&
+this.looksObjectish(h+2)))for(u="OUTDENT"===u?1:0;S();)r(h+u);return A(1)})};n.prototype.addLocationDataToGeneratedTokens=function(){return this.scanTokens(function(a,b,f){var c,n;if(a[2]||!a.generated&&!a.explicit)return 1;if("{"===a[0]&&(c=null!=(n=f[b+1])?n[2]:void 0)){var q=c.first_line;c=c.first_column}else(c=null!=(q=f[b-1])?q[2]:void 0)?(q=c.last_line,c=c.last_column):q=c=0;a[2]={first_line:q,first_column:c,last_line:q,last_column:c};return 1})};n.prototype.fixOutdentLocationData=function(){return this.scanTokens(function(a,
+b,f){if(!("OUTDENT"===a[0]||a.generated&&"CALL_END"===a[0]||a.generated&&"}"===a[0]))return 1;b=f[b-1][2];a[2]={first_line:b.last_line,first_column:b.last_column,last_line:b.last_line,last_column:b.last_column};return 1})};n.prototype.normalizeLines=function(){var b,f;var n=b=f=null;var h=function(a,b){var c,f,h,e;return";"!==a[1]&&(c=a[0],0<=x.call(O,c))&&!("TERMINATOR"===a[0]&&(f=this.tag(b+1),0<=x.call(I,f)))&&!("ELSE"===a[0]&&"THEN"!==n)&&!!("CATCH"!==(h=a[0])&&"FINALLY"!==h||"-\x3e"!==n&&"\x3d\x3e"!==
+n)||(e=a[0],0<=x.call(B,e))&&(this.tokens[b-1].newLine||"OUTDENT"===this.tokens[b-1][0])};var e=function(a,b){return this.tokens.splice(","===this.tag(b-1)?b-1:b,0,f)};return this.scanTokens(function(c,q,k){var w,p,t;c=c[0];if("TERMINATOR"===c){if("ELSE"===this.tag(q+1)&&"OUTDENT"!==this.tag(q-1))return k.splice.apply(k,[q,1].concat(a.call(this.indentation()))),1;if(w=this.tag(q+1),0<=x.call(I,w))return k.splice(q,1),0}if("CATCH"===c)for(w=p=1;2>=p;w=++p)if("OUTDENT"===(t=this.tag(q+w))||"TERMINATOR"===
+t||"FINALLY"===t)return k.splice.apply(k,[q+w,0].concat(a.call(this.indentation()))),2+w;0<=x.call(G,c)&&"INDENT"!==this.tag(q+1)&&("ELSE"!==c||"IF"!==this.tag(q+1))&&(n=c,t=this.indentation(k[q]),b=t[0],f=t[1],"THEN"===n&&(b.fromThen=!0),k.splice(q+1,0,b),this.detectEnd(q+2,h,e),"THEN"===c&&k.splice(q,1));return 1})};n.prototype.tagPostfixConditionals=function(){var a=null;var b=function(a,b){a=a[0];b=this.tokens[b-1][0];return"TERMINATOR"===a||"INDENT"===a&&0>x.call(G,b)};var f=function(b,c){if("INDENT"!==
+b[0]||b.generated&&!b.fromThen)return a[0]="POST_"+a[0]};return this.scanTokens(function(c,n){if("IF"!==c[0])return 1;a=c;this.detectEnd(n+1,b,f);return 1})};n.prototype.indentation=function(a){var b=["INDENT",2];var c=["OUTDENT",2];a?(b.generated=c.generated=!0,b.origin=c.origin=a):b.explicit=c.explicit=!0;return[b,c]};n.prototype.generate=b;n.prototype.tag=function(a){var b;return null!=(b=this.tokens[a])?b[0]:void 0};return n}();var za=[["(",")"],["[","]"],["{","}"],["INDENT","OUTDENT"],["CALL_START",
+"CALL_END"],["PARAM_START","PARAM_END"],["INDEX_START","INDEX_END"],["STRING_START","STRING_END"],["REGEX_START","REGEX_END"]];e.INVERSES=u={};var f=[];var k=[];var t=0;for(r=za.length;t<r;t++){var p=za[t];var z=p[0];p=p[1];f.push(u[p]=z);k.push(u[z]=p)}var I=["CATCH","THEN","ELSE","FINALLY"].concat(k);var J="IDENTIFIER PROPERTY SUPER ) CALL_END ] INDEX_END @ THIS".split(" ");var F="IDENTIFIER PROPERTY NUMBER INFINITY NAN STRING STRING_START REGEX REGEX_START JS NEW PARAM_START CLASS IF TRY SWITCH THIS UNDEFINED NULL BOOL UNARY YIELD UNARY_MATH SUPER THROW @ -\x3e \x3d\x3e [ ( { -- ++".split(" ");
+var N=["+","-"];var y="POST_IF FOR WHILE UNTIL WHEN BY LOOP TERMINATOR".split(" ");var G="ELSE -\x3e \x3d\x3e TRY FINALLY THEN".split(" ");var O="TERMINATOR CATCH FINALLY ELSE OUTDENT LEADING_WHEN".split(" ");var Q=["TERMINATOR","INDENT","OUTDENT"];var B=[".","?.","::","?::"]}).call(this);return e}();u["./lexer"]=function(){var e={};(function(){var ra,r=[].indexOf||function(a){for(var b=0,c=this.length;b<c;b++)if(b in this&&this[b]===a)return b;return-1},x=[].slice;var a=u("./rewriter");var b=a.Rewriter;
+var za=a.INVERSES;a=u("./helpers");var f=a.count;var k=a.repeat;var t=a.invertLiterate;var p=a.throwSyntaxError;e.Lexer=function(){function a(){}a.prototype.tokenize=function(a,c){var f,Da;null==c&&(c={});this.literate=c.literate;this.outdebt=this.indebt=this.baseIndent=this.indent=0;this.indents=[];this.ends=[];this.tokens=[];this.exportSpecifierList=this.importSpecifierList=this.seenExport=this.seenImport=this.seenFor=!1;this.chunkLine=c.line||0;this.chunkColumn=c.column||0;a=this.clean(a);for(Da=
+0;this.chunk=a.slice(Da);){var n=this.identifierToken()||this.commentToken()||this.whitespaceToken()||this.lineToken()||this.stringToken()||this.numberToken()||this.regexToken()||this.jsToken()||this.literalToken();var h=this.getLineAndColumnFromChunk(n);this.chunkLine=h[0];this.chunkColumn=h[1];Da+=n;if(c.untilBalanced&&0===this.ends.length)return{tokens:this.tokens,index:Da}}this.closeIndentation();(f=this.ends.pop())&&this.error("missing "+f.tag,f.origin[2]);return!1===c.rewrite?this.tokens:(new b).rewrite(this.tokens)};
+a.prototype.clean=function(a){a.charCodeAt(0)===Q&&(a=a.slice(1));a=a.replace(/\r/g,"").replace(Y,"");w.test(a)&&(a="\n"+a,this.chunkLine--);this.literate&&(a=t(a));return a};a.prototype.identifierToken=function(){var a,b,c,f,n,h,q;if(!(a=B.exec(this.chunk)))return 0;var e=a[0];var k=a[1];a=a[2];var x=k.length;var w=void 0;if("own"===k&&"FOR"===this.tag())return this.token("OWN",k),k.length;if("from"===k&&"YIELD"===this.tag())return this.token("FROM",k),k.length;if("as"===k&&this.seenImport){if("*"===
+this.value())this.tokens[this.tokens.length-1][0]="IMPORT_ALL";else if(b=this.value(),0<=r.call(F,b))this.tokens[this.tokens.length-1][0]="IDENTIFIER";if("DEFAULT"===(c=this.tag())||"IMPORT_ALL"===c||"IDENTIFIER"===c)return this.token("AS",k),k.length}if("as"===k&&this.seenExport&&("IDENTIFIER"===(f=this.tag())||"DEFAULT"===f))return this.token("AS",k),k.length;if("default"===k&&this.seenExport&&("EXPORT"===(n=this.tag())||"AS"===n))return this.token("DEFAULT",k),k.length;b=this.tokens;b=b[b.length-
+1];var p=a||null!=b&&("."===(h=b[0])||"?."===h||"::"===h||"?::"===h||!b.spaced&&"@"===b[0])?"PROPERTY":"IDENTIFIER";"IDENTIFIER"!==p||!(0<=r.call(J,k)||0<=r.call(F,k))||this.exportSpecifierList&&0<=r.call(F,k)?"IDENTIFIER"===p&&this.seenFor&&"from"===k&&I(b)&&(p="FORFROM",this.seenFor=!1):(p=k.toUpperCase(),"WHEN"===p&&(q=this.tag(),0<=r.call(sa,q))?p="LEADING_WHEN":"FOR"===p?this.seenFor=!0:"UNLESS"===p?p="IF":"IMPORT"===p?this.seenImport=!0:"EXPORT"===p?this.seenExport=!0:0<=r.call(ia,p)?p="UNARY":
+0<=r.call(qa,p)&&("INSTANCEOF"!==p&&this.seenFor?(p="FOR"+p,this.seenFor=!1):(p="RELATION","!"===this.value()&&(w=this.tokens.pop(),k="!"+k))));"IDENTIFIER"===p&&0<=r.call(G,k)&&this.error("reserved word '"+k+"'",{length:k.length});if("PROPERTY"!==p){if(0<=r.call(y,k)){var t=k;k=N[k]}p=function(){switch(k){case "!":return"UNARY";case "\x3d\x3d":case "!\x3d":return"COMPARE";case "true":case "false":return"BOOL";case "break":case "continue":case "debugger":return"STATEMENT";case "\x26\x26":case "||":return k;
+default:return p}}()}h=this.token(p,k,0,x);t&&(h.origin=[p,t,h[2]]);w&&(t=[w[2].first_line,w[2].first_column],h[2].first_line=t[0],h[2].first_column=t[1]);a&&(t=e.lastIndexOf(":"),this.token(":",":",t,a.length));return e.length};a.prototype.numberToken=function(){var a,b;if(!(a=n.exec(this.chunk)))return 0;var c=a[0];a=c.length;switch(!1){case !/^0[BOX]/.test(c):this.error("radix prefix in '"+c+"' must be lowercase",{offset:1});break;case !/^(?!0x).*E/.test(c):this.error("exponential notation in '"+
+c+"' must be indicated with a lowercase 'e'",{offset:c.indexOf("E")});break;case !/^0\d*[89]/.test(c):this.error("decimal literal '"+c+"' must not be prefixed with '0'",{length:a});break;case !/^0\d+/.test(c):this.error("octal literal '"+c+"' must be prefixed with '0o'",{length:a})}var f=function(){switch(c.charAt(1)){case "b":return 2;case "o":return 8;case "x":return 16;default:return null}}();f=null!=f?parseInt(c.slice(2),f):parseFloat(c);if("b"===(b=c.charAt(1))||"o"===b)c="0x"+f.toString(16);
+this.token(Infinity===f?"INFINITY":"NUMBER",c,0,a);return a};a.prototype.stringToken=function(){var a,b,c,f,n;var h=(U.exec(this.chunk)||[])[0];if(!h)return 0;this.tokens.length&&"from"===this.value()&&(this.seenImport||this.seenExport)&&(this.tokens[this.tokens.length-1][0]="FROM");var k=function(){switch(h){case "'":return W;case '"':return H;case "'''":return Z;case '"""':return T}}();var q=3===h.length;k=this.matchWithInterpolations(k,h);var e=k.tokens;var p=k.index;var x=e.length-1;k=h.charAt(0);
+if(q){var w=null;for(q=function(){var a,c;var m=[];b=a=0;for(c=e.length;a<c;b=++a)n=e[b],"NEOSTRING"===n[0]&&m.push(n[1]);return m}().join("#{}");a=A.exec(q);)if(a=a[1],null===w||0<(f=a.length)&&f<w.length)w=a;w&&(c=RegExp("\\n"+w,"g"));this.mergeInterpolationTokens(e,{delimiter:k},function(a){return function(b,m){b=a.formatString(b,{delimiter:h});c&&(b=b.replace(c,"\n"));0===m&&(b=b.replace(Aa,""));m===x&&(b=b.replace(ma,""));return b}}(this))}else this.mergeInterpolationTokens(e,{delimiter:k},function(a){return function(b,
+m){b=a.formatString(b,{delimiter:h});return b=b.replace(D,function(a,d){return 0===m&&0===d||m===x&&d+a.length===b.length?"":" "})}}(this));return p};a.prototype.commentToken=function(){var a,b;if(!(b=this.chunk.match(q)))return 0;var c=b[0];if(a=b[1])(b=X.exec(c))&&this.error("block comments cannot contain "+b[0],{offset:b.index,length:b[0].length}),0<=a.indexOf("\n")&&(a=a.replace(RegExp("\\n"+k(" ",this.indent),"g"),"\n")),this.token("HERECOMMENT",a,0,c.length);return c.length};a.prototype.jsToken=
+function(){var a;if("`"!==this.chunk.charAt(0)||!(a=L.exec(this.chunk)||P.exec(this.chunk)))return 0;var b=a[1].replace(/\\+(`|$)/g,function(a){return a.slice(-Math.ceil(a.length/2))});this.token("JS",b,0,a[0].length);return a[0].length};a.prototype.regexToken=function(){var a,b,c;switch(!1){case !(a=S.exec(this.chunk)):this.error("regular expressions cannot begin with "+a[2],{offset:a.index+a[1].length});break;case !(a=this.matchWithInterpolations(ba,"///")):var f=a.tokens;var h=a.index;break;case !(a=
+ic.exec(this.chunk)):var n=a[0];var k=a[1];a=a[2];this.validateEscapes(k,{isRegex:!0,offsetInChunk:1});k=this.formatRegex(k,{delimiter:"/"});h=n.length;var q=this.tokens;if(q=q[q.length-1])if(q.spaced&&(b=q[0],0<=r.call(ha,b))){if(!a||v.test(n))return 0}else if(c=q[0],0<=r.call(oa,c))return 0;a||this.error("missing / (unclosed regex)");break;default:return 0}c=E.exec(this.chunk.slice(h))[0];b=h+c.length;a=this.makeToken("REGEX",null,0,b);switch(!1){case !!aa.test(c):this.error("invalid regular expression flags "+
+c,{offset:h,length:c.length});break;case !(n||1===f.length):null==k&&(k=this.formatHeregex(f[0][1]));this.token("REGEX",""+this.makeDelimitedLiteral(k,{delimiter:"/"})+c,0,b,a);break;default:this.token("REGEX_START","(",0,0,a),this.token("IDENTIFIER","RegExp",0,0),this.token("CALL_START","(",0,0),this.mergeInterpolationTokens(f,{delimiter:'"',double:!0},this.formatHeregex),c&&(this.token(",",",",h-1,0),this.token("STRING",'"'+c+'"',h-1,c.length)),this.token(")",")",b-1,0),this.token("REGEX_END",")",
+b-1,0)}return b};a.prototype.lineToken=function(){var a;if(!(a=K.exec(this.chunk)))return 0;a=a[0];this.seenFor=!1;this.importSpecifierList||(this.seenImport=!1);this.exportSpecifierList||(this.seenExport=!1);var b=a.length-1-a.lastIndexOf("\n");var c=this.unfinished();if(b-this.indebt===this.indent)return c?this.suppressNewlines():this.newlineToken(0),a.length;if(b>this.indent){if(c)return this.indebt=b-this.indent,this.suppressNewlines(),a.length;if(!this.tokens.length)return this.baseIndent=this.indent=
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+2],g[a])(new d.ExportSpecifier(new d.Literal(b[a-2]),b[a]));break;case 161:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.TaggedTemplateCall(b[a-2],b[a],b[a-1]));break;case 162:case 163:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Call(b[a-2],b[a],b[a-1]));break;case 165:this.$=d.addLocationDataFn(g[a],g[a])(new d.SuperCall);break;case 166:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.SuperCall(b[a]));break;case 167:this.$=d.addLocationDataFn(g[a],g[a])(!1);break;case 168:this.$=d.addLocationDataFn(g[a],
+g[a])(!0);break;case 169:this.$=d.addLocationDataFn(g[a-1],g[a])([]);break;case 171:case 172:this.$=d.addLocationDataFn(g[a],g[a])(new d.Value(new d.ThisLiteral));break;case 173:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Value(d.addLocationDataFn(g[a-1])(new d.ThisLiteral),[d.addLocationDataFn(g[a])(new d.Access(b[a]))],"this"));break;case 174:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Arr([]));break;case 175:this.$=d.addLocationDataFn(g[a-3],g[a])(new d.Arr(b[a-2]));break;case 176:this.$=d.addLocationDataFn(g[a],
+g[a])("inclusive");break;case 177:this.$=d.addLocationDataFn(g[a],g[a])("exclusive");break;case 178:this.$=d.addLocationDataFn(g[a-4],g[a])(new d.Range(b[a-3],b[a-1],b[a-2]));break;case 179:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Range(b[a-2],b[a],b[a-1]));break;case 180:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Range(b[a-1],null,b[a]));break;case 181:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Range(null,b[a],b[a-1]));break;case 182:this.$=d.addLocationDataFn(g[a],g[a])(new d.Range(null,
+null,b[a]));break;case 192:this.$=d.addLocationDataFn(g[a-2],g[a])([].concat(b[a-2],b[a]));break;case 193:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Try(b[a]));break;case 194:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Try(b[a-1],b[a][0],b[a][1]));break;case 195:this.$=d.addLocationDataFn(g[a-3],g[a])(new d.Try(b[a-2],null,null,b[a]));break;case 196:this.$=d.addLocationDataFn(g[a-4],g[a])(new d.Try(b[a-3],b[a-2][0],b[a-2][1],b[a]));break;case 197:this.$=d.addLocationDataFn(g[a-2],g[a])([b[a-
+1],b[a]]);break;case 198:this.$=d.addLocationDataFn(g[a-2],g[a])([d.addLocationDataFn(g[a-1])(new d.Value(b[a-1])),b[a]]);break;case 199:this.$=d.addLocationDataFn(g[a-1],g[a])([null,b[a]]);break;case 200:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Throw(b[a]));break;case 201:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Parens(b[a-1]));break;case 202:this.$=d.addLocationDataFn(g[a-4],g[a])(new d.Parens(b[a-2]));break;case 203:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.While(b[a]));break;case 204:this.$=
+d.addLocationDataFn(g[a-3],g[a])(new d.While(b[a-2],{guard:b[a]}));break;case 205:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.While(b[a],{invert:!0}));break;case 206:this.$=d.addLocationDataFn(g[a-3],g[a])(new d.While(b[a-2],{invert:!0,guard:b[a]}));break;case 207:this.$=d.addLocationDataFn(g[a-1],g[a])(b[a-1].addBody(b[a]));break;case 208:case 209:this.$=d.addLocationDataFn(g[a-1],g[a])(b[a].addBody(d.addLocationDataFn(g[a-1])(d.Block.wrap([b[a-1]]))));break;case 210:this.$=d.addLocationDataFn(g[a],
+g[a])(b[a]);break;case 211:this.$=d.addLocationDataFn(g[a-1],g[a])((new d.While(d.addLocationDataFn(g[a-1])(new d.BooleanLiteral("true")))).addBody(b[a]));break;case 212:this.$=d.addLocationDataFn(g[a-1],g[a])((new d.While(d.addLocationDataFn(g[a-1])(new d.BooleanLiteral("true")))).addBody(d.addLocationDataFn(g[a])(d.Block.wrap([b[a]]))));break;case 213:case 214:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.For(b[a-1],b[a]));break;case 215:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.For(b[a],b[a-
+1]));break;case 216:this.$=d.addLocationDataFn(g[a-1],g[a])({source:d.addLocationDataFn(g[a])(new d.Value(b[a]))});break;case 217:this.$=d.addLocationDataFn(g[a-3],g[a])({source:d.addLocationDataFn(g[a-2])(new d.Value(b[a-2])),step:b[a]});break;case 218:d=d.addLocationDataFn(g[a-1],g[a]);b[a].own=b[a-1].own;b[a].ownTag=b[a-1].ownTag;b[a].name=b[a-1][0];b[a].index=b[a-1][1];this.$=d(b[a]);break;case 219:this.$=d.addLocationDataFn(g[a-1],g[a])(b[a]);break;case 220:Ca=d.addLocationDataFn(g[a-2],g[a]);
+b[a].own=!0;b[a].ownTag=d.addLocationDataFn(g[a-1])(new d.Literal(b[a-1]));this.$=Ca(b[a]);break;case 226:this.$=d.addLocationDataFn(g[a-2],g[a])([b[a-2],b[a]]);break;case 227:this.$=d.addLocationDataFn(g[a-1],g[a])({source:b[a]});break;case 228:this.$=d.addLocationDataFn(g[a-1],g[a])({source:b[a],object:!0});break;case 229:this.$=d.addLocationDataFn(g[a-3],g[a])({source:b[a-2],guard:b[a]});break;case 230:this.$=d.addLocationDataFn(g[a-3],g[a])({source:b[a-2],guard:b[a],object:!0});break;case 231:this.$=
+d.addLocationDataFn(g[a-3],g[a])({source:b[a-2],step:b[a]});break;case 232:this.$=d.addLocationDataFn(g[a-5],g[a])({source:b[a-4],guard:b[a-2],step:b[a]});break;case 233:this.$=d.addLocationDataFn(g[a-5],g[a])({source:b[a-4],step:b[a-2],guard:b[a]});break;case 234:this.$=d.addLocationDataFn(g[a-1],g[a])({source:b[a],from:!0});break;case 235:this.$=d.addLocationDataFn(g[a-3],g[a])({source:b[a-2],guard:b[a],from:!0});break;case 236:this.$=d.addLocationDataFn(g[a-4],g[a])(new d.Switch(b[a-3],b[a-1]));
+break;case 237:this.$=d.addLocationDataFn(g[a-6],g[a])(new d.Switch(b[a-5],b[a-3],b[a-1]));break;case 238:this.$=d.addLocationDataFn(g[a-3],g[a])(new d.Switch(null,b[a-1]));break;case 239:this.$=d.addLocationDataFn(g[a-5],g[a])(new d.Switch(null,b[a-3],b[a-1]));break;case 241:this.$=d.addLocationDataFn(g[a-1],g[a])(b[a-1].concat(b[a]));break;case 242:this.$=d.addLocationDataFn(g[a-2],g[a])([[b[a-1],b[a]]]);break;case 243:this.$=d.addLocationDataFn(g[a-3],g[a])([[b[a-2],b[a-1]]]);break;case 244:this.$=
+d.addLocationDataFn(g[a-2],g[a])(new d.If(b[a-1],b[a],{type:b[a-2]}));break;case 245:this.$=d.addLocationDataFn(g[a-4],g[a])(b[a-4].addElse(d.addLocationDataFn(g[a-2],g[a])(new d.If(b[a-1],b[a],{type:b[a-2]}))));break;case 247:this.$=d.addLocationDataFn(g[a-2],g[a])(b[a-2].addElse(b[a]));break;case 248:case 249:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.If(b[a],d.addLocationDataFn(g[a-2])(d.Block.wrap([b[a-2]])),{type:b[a-1],statement:!0}));break;case 252:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("-",
+b[a]));break;case 253:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("+",b[a]));break;case 254:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("--",b[a]));break;case 255:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("++",b[a]));break;case 256:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("--",b[a-1],null,!0));break;case 257:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Op("++",b[a-1],null,!0));break;case 258:this.$=d.addLocationDataFn(g[a-1],g[a])(new d.Existence(b[a-1]));break;case 259:this.$=
+d.addLocationDataFn(g[a-2],g[a])(new d.Op("+",b[a-2],b[a]));break;case 260:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Op("-",b[a-2],b[a]));break;case 261:case 262:case 263:case 264:case 265:case 266:case 267:case 268:case 269:case 270:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Op(b[a-1],b[a-2],b[a]));break;case 271:g=d.addLocationDataFn(g[a-2],g[a]);b="!"===b[a-1].charAt(0)?(new d.Op(b[a-1].slice(1),b[a-2],b[a])).invert():new d.Op(b[a-1],b[a-2],b[a]);this.$=g(b);break;case 272:this.$=d.addLocationDataFn(g[a-
+2],g[a])(new d.Assign(b[a-2],b[a],b[a-1]));break;case 273:this.$=d.addLocationDataFn(g[a-4],g[a])(new d.Assign(b[a-4],b[a-1],b[a-3]));break;case 274:this.$=d.addLocationDataFn(g[a-3],g[a])(new d.Assign(b[a-3],b[a],b[a-2]));break;case 275:this.$=d.addLocationDataFn(g[a-2],g[a])(new d.Extends(b[a-2],b[a]))}},table:[{1:[2,1],3:1,4:2,5:3,7:4,8:5,9:6,10:20,11:21,12:b,13:23,14:24,15:7,16:8,17:9,18:10,19:11,20:12,21:13,22:14,23:15,24:16,25:17,26:18,27:19,28:u,33:70,34:f,37:55,38:k,39:80,40:t,41:p,43:57,
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+b.prototype.compileConditional=function(a){var d=this.variable.cacheReference(a);var c=d[0];d=d[1];c.properties.length||!(c.base instanceof B)||c.base instanceof E||a.scope.check(c.base.value)||this.variable.error('the variable "'+c.base.value+"\" can't be assigned with "+this.context+" because it has not been declared before");if(0<=R.call(this.context,"?"))return a.isExistentialEquals=!0,(new G(new z(c),d,{type:"if"})).addElse(new b(d,this.value,"\x3d")).compileToFragments(a);c=(new h(this.context.slice(0,
+-1),c,new b(d,this.value,"\x3d"))).compileToFragments(a);return a.level<=va?c:this.wrapInBraces(c)};b.prototype.compileSpecialMath=function(a){var d=this.variable.cacheReference(a);var c=d[0];d=d[1];return(new b(c,new h(this.context.slice(0,-1),d,this.value))).compileToFragments(a)};b.prototype.compileSplice=function(a){var b=this.variable.properties.pop().range;var c=b.from;var l=b.to;var e=b.exclusive;var f=this.variable.compile(a);if(c){var m=this.cacheToCodeFragments(c.cache(a,Ha));b=m[0];m=m[1]}else b=
+m="0";l?null!=c&&c.isNumber()&&l.isNumber()?(l=l.compile(a)-m,e||(l+=1)):(l=l.compile(a,Ka)+" - "+m,e||(l+=" + 1")):l="9e9";e=this.value.cache(a,va);c=e[0];e=e[1];l=[].concat(this.makeCode("[].splice.apply("+f+", ["+b+", "+l+"].concat("),c,this.makeCode(")), "),e);return a.level>na?this.wrapInBraces(l):l};return b}(ta);e.Code=k=function(b){function c(b,d,c){this.params=b||[];this.body=d||new a;this.bound="boundfunc"===c;this.isGenerator=!!this.body.contains(function(a){return a instanceof h&&a.isYield()||
+a instanceof S})}v(c,b);c.prototype.children=["params","body"];c.prototype.isStatement=function(){return!!this.ctor};c.prototype.jumps=ka;c.prototype.makeScope=function(a){return new ya(a,this.body,this)};c.prototype.compileNode=function(b){var d,l,e,f;this.bound&&null!=(d=b.scope.method)&&d.bound&&(this.context=b.scope.method.context);if(this.bound&&!this.context)return this.context="_this",d=new c([new K(new y(this.context))],new a([this])),d=new za(d,[new E]),d.updateLocationDataIfMissing(this.locationData),
+d.compileNode(b);b.scope=la(b,"classScope")||this.makeScope(b.scope);b.scope.shared=la(b,"sharedScope");b.indent+=Fa;delete b.bare;delete b.isExistentialEquals;d=[];var m=[];var k=this.params;var n=0;for(e=k.length;n<e;n++){var q=k[n];q instanceof I||b.scope.parameter(q.asReference(b))}k=this.params;n=0;for(e=k.length;n<e;n++)if(q=k[n],q.splat||q instanceof I){n=this.params;var p=0;for(q=n.length;p<q;p++){var w=n[p];w instanceof I||!w.name.value||b.scope.add(w.name.value,"var",!0)}p=new x(new C(new r(function(){var a;
+var d=this.params;var c=[];var l=0;for(a=d.length;l<a;l++)w=d[l],c.push(w.asReference(b));return c}.call(this))),new C(new y("arguments")));break}var t=this.params;k=0;for(n=t.length;k<n;k++){q=t[k];if(q.isComplex()){var v=f=q.asReference(b);q.value&&(v=new h("?",f,q.value));m.push(new x(new C(q.name),v,"\x3d",{param:!0}))}else f=q,q.value&&(e=new B(f.name.value+" \x3d\x3d null"),v=new x(new C(q.name),q.value,"\x3d"),m.push(new G(e,v)));p||d.push(f)}q=this.body.isEmpty();p&&m.unshift(p);m.length&&
+(l=this.body.expressions).unshift.apply(l,m);l=p=0;for(m=d.length;p<m;l=++p)w=d[l],d[l]=w.compileToFragments(b),b.scope.parameter(ca(d[l]));var u=[];this.eachParamName(function(a,b){0<=R.call(u,a)&&b.error("multiple parameters named "+a);return u.push(a)});q||this.noReturn||this.body.makeReturn();l="function";this.isGenerator&&(l+="*");this.ctor&&(l+=" "+this.name);m=[this.makeCode(l+"(")];l=q=0;for(p=d.length;q<p;l=++q)w=d[l],l&&m.push(this.makeCode(", ")),m.push.apply(m,w);m.push(this.makeCode(") {"));
+this.body.isEmpty()||(m=m.concat(this.makeCode("\n"),this.body.compileWithDeclarations(b),this.makeCode("\n"+this.tab)));m.push(this.makeCode("}"));return this.ctor?[this.makeCode(this.tab)].concat(M.call(m)):this.front||b.level>=Ka?this.wrapInBraces(m):m};c.prototype.eachParamName=function(a){var b;var c=this.params;var l=[];var e=0;for(b=c.length;e<b;e++){var f=c[e];l.push(f.eachName(a))}return l};c.prototype.traverseChildren=function(a,b){if(a)return c.__super__.traverseChildren.call(this,a,b)};
+return c}(ta);e.Param=K=function(a){function b(a,b,c){this.name=a;this.value=b;this.splat=c;(a=Aa(this.name.unwrapAll().value))&&this.name.error(a);this.name instanceof q&&this.name.generated&&(a=this.name.objects[0].operatorToken,a.error("unexpected "+a.value))}v(b,a);b.prototype.children=["name","value"];b.prototype.compileToFragments=function(a){return this.name.compileToFragments(a,va)};b.prototype.asReference=function(a){if(this.reference)return this.reference;var b=this.name;b["this"]?(b=b.properties[0].name.value,
+0<=R.call(ma,b)&&(b="_"+b),b=new y(a.scope.freeVariable(b))):b.isComplex()&&(b=new y(a.scope.freeVariable("arg")));b=new C(b);this.splat&&(b=new T(b));b.updateLocationDataIfMissing(this.locationData);return this.reference=b};b.prototype.isComplex=function(){return this.name.isComplex()};b.prototype.eachName=function(a,b){var d,c;null==b&&(b=this.name);var l=function(b){return a("@"+b.properties[0].name.value,b)};if(b instanceof B)return a(b.value,b);if(b instanceof C)return l(b);b=null!=(d=b.objects)?
+d:[];d=0;for(c=b.length;d<c;d++){var e=b[d];e instanceof x&&null==e.context&&(e=e.variable);e instanceof x?(e.value instanceof x&&(e=e.value),this.eachName(a,e.value.unwrap())):e instanceof T?(e=e.name.unwrap(),a(e.value,e)):e instanceof C?e.isArray()||e.isObject()?this.eachName(a,e.base):e["this"]?l(e):a(e.base.value,e.base):e instanceof I||e.error("illegal parameter "+e.compile())}};return b}(ta);e.Splat=T=function(a){function b(a){this.name=a.compile?a:new B(a)}v(b,a);b.prototype.children=["name"];
+b.prototype.isAssignable=ha;b.prototype.assigns=function(a){return this.name.assigns(a)};b.prototype.compileToFragments=function(a){return this.name.compileToFragments(a)};b.prototype.unwrap=function(){return this.name};b.compileSplattedArray=function(a,d,c){var e,l,f,m;for(l=-1;(e=d[++l])&&!(e instanceof b););if(l>=d.length)return[];if(1===d.length)return e=d[0],d=e.compileToFragments(a,va),c?d:[].concat(e.makeCode(La("slice",a)+".call("),d,e.makeCode(")"));c=d.slice(l);var h=f=0;for(m=c.length;f<
+m;h=++f){e=c[h];var k=e.compileToFragments(a,va);c[h]=e instanceof b?[].concat(e.makeCode(La("slice",a)+".call("),k,e.makeCode(")")):[].concat(e.makeCode("["),k,e.makeCode("]"))}if(0===l)return e=d[0],a=e.joinFragmentArrays(c.slice(1),", "),c[0].concat(e.makeCode(".concat("),a,e.makeCode(")"));f=d.slice(0,l);m=[];k=0;for(h=f.length;k<h;k++)e=f[k],m.push(e.compileToFragments(a,va));e=d[0].joinFragmentArrays(m,", ");a=d[l].joinFragmentArrays(c,", ");c=d[d.length-1];return[].concat(d[0].makeCode("["),
+e,d[l].makeCode("].concat("),a,c.makeCode(")"))};return b}(ta);e.Expansion=I=function(a){function b(){return b.__super__.constructor.apply(this,arguments)}v(b,a);b.prototype.isComplex=ka;b.prototype.compileNode=function(a){return this.error("Expansion must be used inside a destructuring assignment or parameter list")};b.prototype.asReference=function(a){return this};b.prototype.eachName=function(a){};return b}(ta);e.While=Y=function(b){function c(a,b){this.condition=null!=b&&b.invert?a.invert():a;
+this.guard=null!=b?b.guard:void 0}v(c,b);c.prototype.children=["condition","guard","body"];c.prototype.isStatement=ha;c.prototype.makeReturn=function(a){if(a)return c.__super__.makeReturn.apply(this,arguments);this.returns=!this.jumps({loop:!0});return this};c.prototype.addBody=function(a){this.body=a;return this};c.prototype.jumps=function(){var a;var b=this.body.expressions;if(!b.length)return!1;var c=0;for(a=b.length;c<a;c++){var e=b[c];if(e=e.jumps({loop:!0}))return e}return!1};c.prototype.compileNode=
+function(b){var d;b.indent+=Fa;var c="";var e=this.body;e.isEmpty()?e=this.makeCode(""):(this.returns&&(e.makeReturn(d=b.scope.freeVariable("results")),c=""+this.tab+d+" \x3d [];\n"),this.guard&&(1<e.expressions.length?e.expressions.unshift(new G((new P(this.guard)).invert(),new V("continue"))):this.guard&&(e=a.wrap([new G(this.guard,e)]))),e=[].concat(this.makeCode("\n"),e.compileToFragments(b,na),this.makeCode("\n"+this.tab)));b=[].concat(this.makeCode(c+this.tab+"while ("),this.condition.compileToFragments(b,
+Da),this.makeCode(") {"),e,this.makeCode("}"));this.returns&&b.push(this.makeCode("\n"+this.tab+"return "+d+";"));return b};return c}(ta);e.Op=h=function(a){function b(a,b,d,e){if("in"===a)return new O(b,d);if("do"===a)return this.generateDo(b);if("new"===a){if(b instanceof za&&!b["do"]&&!b.isNew)return b.newInstance();if(b instanceof k&&b.bound||b["do"])b=new P(b)}this.operator=c[a]||a;this.first=b;this.second=d;this.flip=!!e;return this}v(b,a);var c={"\x3d\x3d":"\x3d\x3d\x3d","!\x3d":"!\x3d\x3d",
+of:"in",yieldfrom:"yield*"};var d={"!\x3d\x3d":"\x3d\x3d\x3d","\x3d\x3d\x3d":"!\x3d\x3d"};b.prototype.children=["first","second"];b.prototype.isNumber=function(){var a;return this.isUnary()&&("+"===(a=this.operator)||"-"===a)&&this.first instanceof C&&this.first.isNumber()};b.prototype.isYield=function(){var a;return"yield"===(a=this.operator)||"yield*"===a};b.prototype.isUnary=function(){return!this.second};b.prototype.isComplex=function(){return!this.isNumber()};b.prototype.isChainable=function(){var a;
+return"\x3c"===(a=this.operator)||"\x3e"===a||"\x3e\x3d"===a||"\x3c\x3d"===a||"\x3d\x3d\x3d"===a||"!\x3d\x3d"===a};b.prototype.invert=function(){var a,c;if(this.isChainable()&&this.first.isChainable()){var e=!0;for(a=this;a&&a.operator;)e&&(e=a.operator in d),a=a.first;if(!e)return(new P(this)).invert();for(a=this;a&&a.operator;)a.invert=!a.invert,a.operator=d[a.operator],a=a.first;return this}return(a=d[this.operator])?(this.operator=a,this.first.unwrap()instanceof b&&this.first.invert(),this):this.second?
+(new P(this)).invert():"!"===this.operator&&(e=this.first.unwrap())instanceof b&&("!"===(c=e.operator)||"in"===c||"instanceof"===c)?e:new b("!",this)};b.prototype.unfoldSoak=function(a){var b;return("++"===(b=this.operator)||"--"===b||"delete"===b)&&Ea(a,this,"first")};b.prototype.generateDo=function(a){var b,d;var c=[];var e=(a instanceof x&&(b=a.value.unwrap())instanceof k?b:a).params||[];b=0;for(d=e.length;b<d;b++){var l=e[b];l.value?(c.push(l.value),delete l.value):c.push(l)}a=new za(a,c);a["do"]=
+!0;return a};b.prototype.compileNode=function(a){var b;var d=this.isChainable()&&this.first.isChainable();d||(this.first.front=this.front);"delete"===this.operator&&a.scope.check(this.first.unwrapAll().value)&&this.error("delete operand may not be argument or var");("--"===(b=this.operator)||"++"===b)&&(b=Aa(this.first.unwrapAll().value))&&this.first.error(b);if(this.isYield())return this.compileYield(a);if(this.isUnary())return this.compileUnary(a);if(d)return this.compileChain(a);switch(this.operator){case "?":return this.compileExistence(a);
+case "**":return this.compilePower(a);case "//":return this.compileFloorDivision(a);case "%%":return this.compileModulo(a);default:return d=this.first.compileToFragments(a,Ha),b=this.second.compileToFragments(a,Ha),d=[].concat(d,this.makeCode(" "+this.operator+" "),b),a.level<=Ha?d:this.wrapInBraces(d)}};b.prototype.compileChain=function(a){var b=this.first.second.cache(a);this.first.second=b[0];b=b[1];a=this.first.compileToFragments(a,Ha).concat(this.makeCode(" "+(this.invert?"\x26\x26":"||")+" "),
+b.compileToFragments(a),this.makeCode(" "+this.operator+" "),this.second.compileToFragments(a,Ha));return this.wrapInBraces(a)};b.prototype.compileExistence=function(a){if(this.first.isComplex()){var b=new y(a.scope.freeVariable("ref"));var d=new P(new x(b,this.first))}else b=d=this.first;return(new G(new z(d),b,{type:"if"})).addElse(this.second).compileToFragments(a)};b.prototype.compileUnary=function(a){var d=[];var c=this.operator;d.push([this.makeCode(c)]);if("!"===c&&this.first instanceof z)return this.first.negated=
+!this.first.negated,this.first.compileToFragments(a);if(a.level>=Ka)return(new P(this)).compileToFragments(a);var e="+"===c||"-"===c;("new"===c||"typeof"===c||"delete"===c||e&&this.first instanceof b&&this.first.operator===c)&&d.push([this.makeCode(" ")]);if(e&&this.first instanceof b||"new"===c&&this.first.isStatement(a))this.first=new P(this.first);d.push(this.first.compileToFragments(a,Ha));this.flip&&d.reverse();return this.joinFragmentArrays(d,"")};b.prototype.compileYield=function(a){var b;
+var d=[];var c=this.operator;null==a.scope.parent&&this.error("yield can only occur inside functions");0<=R.call(Object.keys(this.first),"expression")&&!(this.first instanceof aa)?null!=this.first.expression&&d.push(this.first.expression.compileToFragments(a,Ha)):(a.level>=Da&&d.push([this.makeCode("(")]),d.push([this.makeCode(c)]),""!==(null!=(b=this.first.base)?b.value:void 0)&&d.push([this.makeCode(" ")]),d.push(this.first.compileToFragments(a,Ha)),a.level>=Da&&d.push([this.makeCode(")")]));return this.joinFragmentArrays(d,
+"")};b.prototype.compilePower=function(a){var b=new C(new y("Math"),[new ra(new L("pow"))]);return(new za(b,[this.first,this.second])).compileToFragments(a)};b.prototype.compileFloorDivision=function(a){var d=new C(new y("Math"),[new ra(new L("floor"))]);var c=this.second.isComplex()?new P(this.second):this.second;c=new b("/",this.first,c);return(new za(d,[c])).compileToFragments(a)};b.prototype.compileModulo=function(a){var b=new C(new B(La("modulo",a)));return(new za(b,[this.first,this.second])).compileToFragments(a)};
+b.prototype.toString=function(a){return b.__super__.toString.call(this,a,this.constructor.name+" "+this.operator)};return b}(ta);e.In=O=function(a){function b(a,b){this.object=a;this.array=b}v(b,a);b.prototype.children=["object","array"];b.prototype.invert=sa;b.prototype.compileNode=function(a){var b;if(this.array instanceof C&&this.array.isArray()&&this.array.base.objects.length){var c=this.array.base.objects;var e=0;for(b=c.length;e<b;e++){var l=c[e];if(l instanceof T){var f=!0;break}}if(!f)return this.compileOrTest(a)}return this.compileLoopTest(a)};
+b.prototype.compileOrTest=function(a){var b,c;var e=this.object.cache(a,Ha);var f=e[0];var l=e[1];var h=this.negated?[" !\x3d\x3d "," \x26\x26 "]:[" \x3d\x3d\x3d "," || "];e=h[0];h=h[1];var m=[];var k=this.array.base.objects;var n=b=0;for(c=k.length;b<c;n=++b){var q=k[n];n&&m.push(this.makeCode(h));m=m.concat(n?l:f,this.makeCode(e),q.compileToFragments(a,Ka))}return a.level<Ha?m:this.wrapInBraces(m)};b.prototype.compileLoopTest=function(a){var b=this.object.cache(a,va);var c=b[0];var e=b[1];b=[].concat(this.makeCode(La("indexOf",
+a)+".call("),this.array.compileToFragments(a,va),this.makeCode(", "),e,this.makeCode(") "+(this.negated?"\x3c 0":"\x3e\x3d 0")));if(ca(c)===ca(e))return b;b=c.concat(this.makeCode(", "),b);return a.level<va?b:this.wrapInBraces(b)};b.prototype.toString=function(a){return b.__super__.toString.call(this,a,this.constructor.name+(this.negated?"!":""))};return b}(ta);e.Try=function(a){function b(a,b,c,e){this.attempt=a;this.errorVariable=b;this.recovery=c;this.ensure=e}v(b,a);b.prototype.children=["attempt",
+"recovery","ensure"];b.prototype.isStatement=ha;b.prototype.jumps=function(a){var b;return this.attempt.jumps(a)||(null!=(b=this.recovery)?b.jumps(a):void 0)};b.prototype.makeReturn=function(a){this.attempt&&(this.attempt=this.attempt.makeReturn(a));this.recovery&&(this.recovery=this.recovery.makeReturn(a));return this};b.prototype.compileNode=function(a){var b,c,e;a.indent+=Fa;var f=this.attempt.compileToFragments(a,na);var l=this.recovery?(b=a.scope.freeVariable("error",{reserve:!1}),e=new y(b),
+this.errorVariable?(c=Aa(this.errorVariable.unwrapAll().value),c?this.errorVariable.error(c):void 0,this.recovery.unshift(new x(this.errorVariable,e))):void 0,[].concat(this.makeCode(" catch ("),e.compileToFragments(a),this.makeCode(") {\n"),this.recovery.compileToFragments(a,na),this.makeCode("\n"+this.tab+"}"))):this.ensure||this.recovery?[]:(b=a.scope.freeVariable("error",{reserve:!1}),[this.makeCode(" catch ("+b+") {}")]);a=this.ensure?[].concat(this.makeCode(" finally {\n"),this.ensure.compileToFragments(a,
+na),this.makeCode("\n"+this.tab+"}")):[];return[].concat(this.makeCode(this.tab+"try {\n"),f,this.makeCode("\n"+this.tab+"}"),l,a)};return b}(ta);e.Throw=aa=function(a){function b(a){this.expression=a}v(b,a);b.prototype.children=["expression"];b.prototype.isStatement=ha;b.prototype.jumps=ka;b.prototype.makeReturn=oa;b.prototype.compileNode=function(a){return[].concat(this.makeCode(this.tab+"throw "),this.expression.compileToFragments(a),this.makeCode(";"))};return b}(ta);e.Existence=z=function(a){function b(a){this.expression=
+a}v(b,a);b.prototype.children=["expression"];b.prototype.invert=sa;b.prototype.compileNode=function(a){this.expression.front=this.front;var b=this.expression.compile(a,Ha);if(this.expression.unwrap()instanceof y&&!a.scope.check(b)){var c=this.negated?["\x3d\x3d\x3d","||"]:["!\x3d\x3d","\x26\x26"];var e=c[0];c=c[1];b="typeof "+b+" "+e+' "undefined" '+c+" "+b+" "+e+" null"}else b=b+" "+(this.negated?"\x3d\x3d":"!\x3d")+" null";return[this.makeCode(a.level<=gb?b:"("+b+")")]};return b}(ta);e.Parens=P=
+function(a){function b(a){this.body=a}v(b,a);b.prototype.children=["body"];b.prototype.unwrap=function(){return this.body};b.prototype.isComplex=function(){return this.body.isComplex()};b.prototype.compileNode=function(a){var b=this.body.unwrap();if(b instanceof C&&b.isAtomic())return b.front=this.front,b.compileToFragments(a);var c=b.compileToFragments(a,Da);return a.level<Ha&&(b instanceof h||b instanceof za||b instanceof N&&b.returns)&&(a.level<gb||3>=c.length)?c:this.wrapInBraces(c)};return b}(ta);
+e.StringWithInterpolations=A=function(a){function b(){return b.__super__.constructor.apply(this,arguments)}v(b,a);b.prototype.compileNode=function(a){var d;if(!a.inTaggedTemplateCall)return b.__super__.compileNode.apply(this,arguments);var c=this.body.unwrap();var e=[];c.traverseChildren(!1,function(a){if(a instanceof D)e.push(a);else if(a instanceof P)return e.push(a),!1;return!0});c=[];c.push(this.makeCode("`"));var f=0;for(d=e.length;f<d;f++){var l=e[f];l instanceof D?(l=l.value.slice(1,-1),l=
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+f))}return h}();return a.toString()+"\n"+h.join("\n")+"\n"}}).call(this);return e}();u["./browser"]=function(){(function(){var e=[].indexOf||function(a){for(var b=0,e=this.length;b<e;b++)if(b in this&&this[b]===a)return b;return-1};var ra=u("./coffee-script");ra.require=u;var r=ra.compile;ra.eval=function(a,b){null==b&&(b={});null==b.bare&&(b.bare=!0);return eval(r(a,b))};ra.run=function(a,b){null==b&&(b={});b.bare=!0;b.shiftLine=!0;return Function(r(a,b))()};if("undefined"!==typeof window&&null!==
+window){"undefined"!==typeof btoa&&null!==btoa&&"undefined"!==typeof JSON&&null!==JSON&&(r=function(a,b){null==b&&(b={});b.inlineMap=!0;return ra.compile(a,b)});ra.load=function(a,b,e,f){null==e&&(e={});null==f&&(f=!1);e.sourceFiles=[a];var k=window.ActiveXObject?new window.ActiveXObject("Microsoft.XMLHTTP"):new window.XMLHttpRequest;k.open("GET",a,!0);"overrideMimeType"in k&&k.overrideMimeType("text/plain");k.onreadystatechange=function(){var r;if(4===k.readyState){if(0===(r=k.status)||200===r)r=
+[k.responseText,e],f||ra.run.apply(ra,r);else throw Error("Could not load "+a);if(b)return b(r)}};return k.send(null)};var x=function(){var a,b,r;var f=window.document.getElementsByTagName("script");var k=["text/coffeescript","text/literate-coffeescript"];var t=function(){var a,b;var p=[];var t=0;for(a=f.length;t<a;t++)r=f[t],(b=r.type,0<=e.call(k,b))&&p.push(r);return p}();var p=0;var u=function(){var a=t[p];if(a instanceof Array)return ra.run.apply(ra,a),p++,u()};var x=function(a,b){var e;var f=
+{literate:a.type===k[1]};if(e=a.src||a.getAttribute("data-src"))return ra.load(e,function(a){t[b]=a;return u()},f,!0);f.sourceFiles=["embedded"];return t[b]=[a.innerHTML,f]};var J=a=0;for(b=t.length;a<b;J=++a){var F=t[J];x(F,J)}return u()};window.addEventListener?window.addEventListener("DOMContentLoaded",x,!1):window.attachEvent("onload",x)}}).call(this);return{}}();return u["./coffee-script"]}();"function"===typeof define&&define.amd?define(function(){return xa}):u.CoffeeScript=xa})(this);

docs/v1/index.html

@@ -112,6 +112,9 @@ code, pre, pre > code, textarea {
   font-weight: normal;
   text-transform: uppercase;
 }
+.nowrap {
+  white-space: nowrap;
+}
 div.anchor {
   position: relative;
   top: -90px;
@@ -591,18 +594,18 @@ pre .xml .cdata {
       Annotated Source
     </div>
     <div class="contents menu">
-      <a href="v1/annotated-source/grammar.html">Grammar Rules — src/grammar</a>
-      <a href="v1/annotated-source/lexer.html">Lexing Tokens — src/lexer</a>
-      <a href="v1/annotated-source/rewriter.html">The Rewriter — src/rewriter</a>
-      <a href="v1/annotated-source/nodes.html">The Syntax Tree — src/nodes</a>
-      <a href="v1/annotated-source/scope.html">Lexical Scope — src/scope</a>
-      <a href="v1/annotated-source/helpers.html">Helpers &amp; Utility Functions — src/helpers</a>
-      <a href="v1/annotated-source/coffee-script.html">The CoffeeScript Module — src/coffee-script</a>
-      <a href="v1/annotated-source/cake.html">Cake &amp; Cakefiles — src/cake</a>
-      <a href="v1/annotated-source/command.html">“coffee” Command-Line Utility — src/command</a>
-      <a href="v1/annotated-source/optparse.html">Option Parsing — src/optparse</a>
-      <a href="v1/annotated-source/repl.html">Interactive REPL — src/repl</a>
-      <a href="v1/annotated-source/sourcemap.html">Source Maps — src/sourcemap</a>
+      <a href="/v1/annotated-source/grammar.html">Grammar Rules — src/grammar</a>
+      <a href="/v1/annotated-source/lexer.html">Lexing Tokens — src/lexer</a>
+      <a href="/v1/annotated-source/rewriter.html">The Rewriter — src/rewriter</a>
+      <a href="/v1/annotated-source/nodes.html">The Syntax Tree — src/nodes</a>
+      <a href="/v1/annotated-source/scope.html">Lexical Scope — src/scope</a>
+      <a href="/v1/annotated-source/helpers.html">Helpers &amp; Utility Functions — src/helpers</a>
+      <a href="/v1/annotated-source/coffee-script.html">The CoffeeScript Module — src/coffee-script</a>
+      <a href="/v1/annotated-source/cake.html">Cake &amp; Cakefiles — src/cake</a>
+      <a href="/v1/annotated-source/command.html">“coffee” Command-Line Utility — src/command</a>
+      <a href="/v1/annotated-source/optparse.html">Option Parsing — src/optparse</a>
+      <a href="/v1/annotated-source/repl.html">Interactive REPL — src/repl</a>
+      <a href="/v1/annotated-source/sourcemap.html">Source Maps — src/sourcemap</a>
     </div>
   </div>
 </div>
@@ -612,10 +615,10 @@ pre .xml .cdata {
     <p><strong>CoffeeScript is a little language that compiles into JavaScript.</strong> Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.</p>
 <p>The golden rule of CoffeeScript is: <em>“It’s just JavaScript”</em>. The code compiles one-to-one into the equivalent JS, and there is no interpretation at runtime. You can use any existing JavaScript library seamlessly from CoffeeScript (and vice-versa). The compiled output is readable, pretty-printed, and tends to run as fast or faster than the equivalent handwritten JavaScript.</p>
 <p>The CoffeeScript compiler goes to great lengths to generate output JavaScript that runs in every JavaScript runtime, but there are exceptions. Use <a href="#generator-functions">generator functions</a>, <a href="#generator-iteration"><code>for…from</code></a>, or <a href="#tagged-template-literals">tagged template literals</a> only if you know that your <a href="http://kangax.github.io/compat-table/es6/">target runtimes can support them</a>. If you use <a href="#modules">modules</a>, you will need to <a href="#modules-note">use an additional tool to resolve them</a>.</p>
-<p><strong>Latest Version:</strong> <a href="http://github.com/jashkenas/coffeescript/tarball/1.12.5">1.12.5</a></p>
-<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install -g coffee-script
+<p><strong>Latest Version:</strong> <a href="https://github.com/jashkenas/coffeescript/tarball/1.12.7">1.12.7</a></p>
+<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install -g coffeescript
 </code></pre>
-</blockquote><p><strong>CoffeeScript 2 is coming!</strong> It adds support for <a href="/v2/#classes">ES2015 classes</a>, <a href="/v2/#fat-arrow"><code>async</code>/<code>await</code></a>, and generates JavaScript using ES2015+ syntax. <a href="/v2/">Learn more</a>.</p></p>
+</blockquote><p><strong>CoffeeScript 2 is coming!</strong> It adds support for <a href="/v2/#classes">ES2015 classes</a>, <a href="/v2/#fat-arrow"><code>async</code>/<code>await</code></a>, <a href="/v2/#jsx">JSX</a>, <span class="nowrap"><a href="/v2/#splats">object rest/spread syntax</a></span>, and JavaScript generated using ES2015+ syntax. <a href="/v2/">Learn more</a>.</p>
 
     <h2>Overview</h2>
 <p><em>CoffeeScript on the left, compiled JavaScript output on the right.</em></p>
@@ -738,14 +741,16 @@ cubes = (function() {
 ;alert(cubes);">run: cubes</div><br class='clear' /></div>
   <span class="bookmark" id="installation"></span>
     <h2>Installation</h2>
-<p>The command-line version of <code>coffee</code> is available as a <a href="http://nodejs.org/">Node.js</a> utility. The <a href="v1/browser-compiler/coffee-script.js">core compiler</a> however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see <a href="#try">Try CoffeeScript</a>).</p>
-<p>To install, first make sure you have a working copy of the latest stable version of <a href="http://nodejs.org/">Node.js</a>. You can then install CoffeeScript globally with <a href="http://npmjs.org">npm</a>:</p>
-<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install --global coffee-script
+<p>The command-line version of <code>coffee</code> is available as a <a href="https://nodejs.org/">Node.js</a> utility. The <a href="/v1/browser-compiler/coffee-script.js">core compiler</a> however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see <a href="#try">Try CoffeeScript</a>).</p>
+<p>To install, first make sure you have a working copy of the latest stable version of <a href="https://nodejs.org/">Node.js</a>. You can then install CoffeeScript globally with <a href="https://www.npmjs.com/">npm</a>:</p>
+<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install --global coffeescript
 </code></pre>
-</blockquote><p>When you need CoffeeScript as a dependency of a project, within that project’s folder you can install it locally:</p>
-<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install --save coffee-script
+</blockquote><p>This will make the <code>coffee</code> and <code>cake</code> commands available globally.</p>
+<p>When you need CoffeeScript as a dependency of a project, within that project’s folder you can install it locally:</p>
+<blockquote class="uneditable-code-block"><pre><code class="language-bash">npm install --save coffeescript
 </code></pre>
-</blockquote>
+</blockquote><p>The <code>coffee</code> and <code>cake</code> commands will first look in the current folder to see if CoffeeScript is installed locally, and use that version if so. This allows different versions of CoffeeScript to be installed globally and locally.</p>
+
   <span class="bookmark" id="usage"></span>
     <h2>Usage</h2>
 <p>Once installed, you should have access to the <code>coffee</code> command, which can execute scripts, compile <code>.coffee</code> files into <code>.js</code>, and provide an interactive REPL. The <code>coffee</code> command takes the following options:</p>
@@ -842,8 +847,7 @@ cubes = (function() {
   <span class="bookmark" id="literate"></span>
     <h2>Literate CoffeeScript</h2>
 <p>Besides being used as an ordinary programming language, CoffeeScript may also be written in “literate” mode. If you name your file with a <code>.litcoffee</code> extension, you can write it as a Markdown document — a document that also happens to be executable CoffeeScript code. The compiler will treat any indented blocks (Markdown’s way of indicating source code) as code, and ignore the rest as comments.</p>
-<p>Just for kicks, a little bit of the compiler is currently implemented in this fashion: See it <a href="https://gist.github.com/jashkenas/3fc3c1a8b1009c00d9df">as a document</a>, <a href="https://raw.github.com/jashkenas/coffeescript/master/src/scope.litcoffee">raw</a>, and <a href="http://cl.ly/LxEu">properly highlighted in a text editor</a>.</p>
-<p>I’m fairly excited about this direction for the language, and am looking forward to writing (and more importantly, reading) more programs in this style. More information about Literate CoffeeScript, including an <a href="https://github.com/jashkenas/journo">example program</a>, are <a href="http://ashkenas.com/literate-coffeescript">available in this blog post</a>.</p>
+<p>Just for kicks, a little bit of the compiler is currently implemented in this fashion: See it <a href="https://gist.github.com/jashkenas/3fc3c1a8b1009c00d9df">as a document</a>, <a href="https://raw.githubusercontent.com/jashkenas/coffeescript/master/src/scope.litcoffee">raw</a>, and <a href="http://cl.ly/LxEu">properly highlighted in a text editor</a>.</p>
 
   <span class="bookmark" id="language"></span>
     <h2>Language Reference</h2>
@@ -1470,7 +1474,7 @@ alert((function() {
 <p><code>unless</code> can be used as the inverse of <code>if</code>.</p>
 <p>As a shortcut for <code>this.property</code>, you can use <code>@property</code>.</p>
 <p>You can use <code>in</code> to test for array presence, and <code>of</code> to test for JavaScript object-key presence.</p>
-<p>To simplify math expressions, <code>**</code> can be used for exponentiation and <code>//</code> performs integer division. <code>%</code> works just like in JavaScript, while <code>%%</code> provides <a href="http://en.wikipedia.org/wiki/Modulo_operation">“dividend dependent modulo”</a>:</p>
+<p>To simplify math expressions, <code>**</code> can be used for exponentiation and <code>//</code> performs integer division. <code>%</code> works just like in JavaScript, while <code>%%</code> provides <a href="https://en.wikipedia.org/wiki/Modulo_operation">“dividend dependent modulo”</a>:</p>
 <div class='code'><pre><code><span class="number">-7</span> % <span class="number">5</span> == <span class="number">-2</span> <span class="comment"># The remainder of 7 / 5</span>
 <span class="number">-7</span> %% <span class="number">5</span> == <span class="number">3</span> <span class="comment"># n %% 5 is always between 0 and 4</span>
 
@@ -1625,7 +1629,7 @@ zip = <span class="keyword">typeof</span> lottery.drawWinner === <span class="st
 
     <span class="bookmark" id="classes"></span>
       <h2>Classes, Inheritance, and Super</h2>
-<p>JavaScript’s prototypal inheritance has always been a bit of a brain-bender, with a whole family tree of libraries that provide a cleaner syntax for classical inheritance on top of JavaScript’s prototypes: <a href="http://code.google.com/p/base2/">Base2</a>, <a href="http://prototypejs.org/">Prototype.js</a>, <a href="http://jsclass.jcoglan.com/">JS.Class</a>, etc. The libraries provide syntactic sugar, but the built-in inheritance would be completely usable if it weren’t for a couple of small exceptions: it’s awkward to call <strong>super</strong> (the prototype object’s implementation of the current function), and it’s awkward to correctly set the prototype chain.</p>
+<p>JavaScript’s prototypal inheritance has always been a bit of a brain-bender, with a whole family tree of libraries that provide a cleaner syntax for classical inheritance on top of JavaScript’s prototypes: <a href="https://code.google.com/p/base2/">Base2</a>, <a href="http://prototypejs.org/">Prototype.js</a>, <a href="http://jsclass.jcoglan.com/">JS.Class</a>, etc. The libraries provide syntactic sugar, but the built-in inheritance would be completely usable if it weren’t for a couple of small exceptions: it’s awkward to call <strong>super</strong> (the prototype object’s implementation of the current function), and it’s awkward to correctly set the prototype chain.</p>
 <p>Instead of repetitively attaching functions to a prototype, CoffeeScript provides a basic <code>class</code> structure that allows you to name your class, set the superclass, assign prototypal properties, and define the constructor, in a single assignable expression.</p>
 <p>Constructor functions are named, to better support helpful stack traces. In the first class in the example below, <code>this.constructor.name is &quot;Animal&quot;</code>.</p>
 <div class='code'><pre><code><span class="class"><span class="keyword">class</span> <span class="title">Animal</span></span>
@@ -1950,6 +1954,7 @@ Account = <span class="function"><span class="keyword">function</span>(<span cla
 };
 </code></pre><script>window.example1 = "Account = (customer, cart) ->\n  @customer = customer\n  @cart = cart\n\n  $('.shopping_cart').on 'click', (event) =>\n    @customer.purchase @cart\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div><p>If we had used <code>-&gt;</code> in the callback above, <code>@customer</code> would have referred to the undefined “customer” property of the DOM element, and trying to call <code>purchase()</code> on it would have raised an exception.</p>
 <p>When used in a class definition, methods declared with the fat arrow will be automatically bound to each instance of the class when the instance is constructed.</p>
+<div id="generator-functions" class="bookmark"></div>
 <p>CoffeeScript functions also support <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*">ES2015 generator functions</a> through the <code>yield</code> keyword. There’s no <code>function*(){}</code> nonsense — a generator in CoffeeScript is simply a function that yields.</p>
 <div class='code'><pre><code><span class="function"><span class="title">perfectSquares</span> = -&gt;</span>
   num = <span class="number">0</span>
@@ -1984,6 +1989,7 @@ perfectSquares = function*() {
 
 window.ps || (window.ps = perfectSquares());
 ;alert(ps.next().value);">run: ps.next().value</div><br class='clear' /></div><p><code>yield*</code> is called <code>yield from</code>, and <code>yield return</code> may be used if you need to force a generator that doesn’t yield.</p>
+<div id="generator-iteration" class="bookmark"></div>
 <p>You can iterate over a generator function using <code>for…from</code>.</p>
 <div class='code'><pre><code><span class="function"><span class="title">fibonacci</span> = -&gt;</span>
   [previous, current] = [<span class="number">1</span>, <span class="number">1</span>]
@@ -2184,7 +2190,7 @@ grade = (<span class="function"><span class="keyword">function</span>(<span clas
 </code></pre><script>window.example1 = "try\n  allHellBreaksLoose()\n  catsAndDogsLivingTogether()\ncatch error\n  print error\nfinally\n  cleanUp()\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div>
     <span class="bookmark" id="comparisons"></span>
       <h2>Chained Comparisons</h2>
-<p>CoffeeScript borrows <a href="http://docs.python.org/reference/expressions.html#notin">chained comparisons</a> from Python — making it easy to test if a value falls within a certain range.</p>
+<p>CoffeeScript borrows <a href="https://docs.python.org/3/reference/expressions.html#not-in">chained comparisons</a> from Python — making it easy to test if a value falls within a certain range.</p>
 <div class='code'><pre><code>cholesterol = <span class="number">127</span>
 
 healthy = <span class="number">200</span> &gt; cholesterol &gt; <span class="number">60</span>
@@ -2319,7 +2325,7 @@ OPERATOR = <span class="regexp">/^(?:[-=]&gt;|[-+*\/%&lt;&gt;&amp;|^!?=]=|&gt;&g
       <h2>Modules</h2>
 <p>ES2015 modules are supported in CoffeeScript, with very similar <code>import</code> and <code>export</code> syntax:</p>
 <div class='code'><pre><code><span class="keyword">import</span> <span class="string">'local-file.coffee'</span>
-<span class="keyword">import</span> <span class="string">'coffee-script'</span>
+<span class="keyword">import</span> <span class="string">'coffeescript'</span>
 
 <span class="keyword">import</span> _ <span class="keyword">from</span> <span class="string">'underscore'</span>
 <span class="keyword">import</span> * <span class="keyword">as</span> underscore <span class="keyword">from</span> <span class="string">'underscore'</span>
@@ -2342,7 +2348,7 @@ OPERATOR = <span class="regexp">/^(?:[-=]&gt;|[-+*\/%&lt;&gt;&amp;|^!?=]=|&gt;&g
 <span class="keyword">export</span> { max, min } <span class="keyword">from</span> <span class="string">'underscore'</span>
 </code></pre><pre><code><span class="keyword">import</span> <span class="string">'local-file.coffee'</span>;
 
-<span class="keyword">import</span> <span class="string">'coffee-script'</span>;
+<span class="keyword">import</span> <span class="string">'coffeescript'</span>;
 
 <span class="keyword">import</span> _ <span class="keyword">from</span> <span class="string">'underscore'</span>;
 
@@ -2405,7 +2411,8 @@ OPERATOR = <span class="regexp">/^(?:[-=]&gt;|[-+*\/%&lt;&gt;&amp;|^!?=]=|&gt;&g
   max,
   min
 } <span class="keyword">from</span> <span class="string">'underscore'</span>;
-</code></pre><script>window.example1 = "import 'local-file.coffee'\nimport 'coffee-script'\n\nimport _ from 'underscore'\nimport * as underscore from 'underscore'\n\nimport { now } from 'underscore'\nimport { now as currentTimestamp } from 'underscore'\nimport { first, last } from 'underscore'\nimport utilityBelt, { each } from 'underscore'\n\nexport default Math\nexport square = (x) -> x * x\nexport class Mathematics\n  least: (x, y) -> if x < y then x else y\n\nexport { sqrt }\nexport { sqrt as squareRoot }\nexport { Mathematics as default, sqrt as squareRoot }\n\nexport * from 'underscore'\nexport { max, min } from 'underscore'\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div><p>Note that the CoffeeScript compiler <strong>does not resolve modules</strong>; writing an <code>import</code> or <code>export</code> statement in CoffeeScript will produce an <code>import</code> or <code>export</code> statement in the resulting output. It is your responsibility attach another transpiler, such as <a href="https://github.com/google/traceur-compiler">Traceur Compiler</a>, <a href="http://babeljs.io/">Babel</a> or <a href="https://github.com/rollup/rollup">Rollup</a>, to convert this ES2015 syntax into code that will work in your target runtimes.</p>
+</code></pre><script>window.example1 = "import 'local-file.coffee'\nimport 'coffeescript'\n\nimport _ from 'underscore'\nimport * as underscore from 'underscore'\n\nimport { now } from 'underscore'\nimport { now as currentTimestamp } from 'underscore'\nimport { first, last } from 'underscore'\nimport utilityBelt, { each } from 'underscore'\n\nexport default Math\nexport square = (x) -> x * x\nexport class Mathematics\n  least: (x, y) -> if x < y then x else y\n\nexport { sqrt }\nexport { sqrt as squareRoot }\nexport { Mathematics as default, sqrt as squareRoot }\n\nexport * from 'underscore'\nexport { max, min } from 'underscore'\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div><div id="modules-note" class="bookmark"></div>
+<p>Note that the CoffeeScript compiler <strong>does not resolve modules</strong>; writing an <code>import</code> or <code>export</code> statement in CoffeeScript will produce an <code>import</code> or <code>export</code> statement in the resulting output. It is your responsibility attach another transpiler, such as <a href="https://github.com/google/traceur-compiler">Traceur Compiler</a>, <a href="http://babeljs.io/">Babel</a> or <a href="https://github.com/rollup/rollup">Rollup</a>, to convert this ES2015 syntax into code that will work in your target runtimes.</p>
 <p>Also note that any file with an <code>import</code> or <code>export</code> statement will be output without a <a href="#lexical-scope">top-level function safety wrapper</a>; in other words, importing or exporting modules will automatically trigger <a href="#usage">bare</a> mode for that file. This is because per the ES2015 spec, <code>import</code> or <code>export</code> statements must occur at the topmost scope.</p>
 
   <span class="bookmark" id="cake"></span>
@@ -2434,16 +2441,16 @@ task(<span class="string">'build:parser'</span>, <span class="string">'rebuild t
   dir = options.output || <span class="string">'lib'</span>;
   <span class="keyword">return</span> fs.writeFile(dir + <span class="string">"/parser.js"</span>, code);
 });
-</code></pre><script>window.example1 = "fs = require 'fs'\n\noption '-o', '--output [DIR]', 'directory for compiled code'\n\ntask 'build:parser', 'rebuild the Jison parser', (options) ->\n  require 'jison'\n  code = require('./lib/grammar').parser.generate()\n  dir  = options.output or 'lib'\n  fs.writeFile \"#{dir}/parser.js\", code\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div><p>If you need to invoke one task before another — for example, running <code>build</code> before <code>test</code>, you can use the <code>invoke</code> function: <code>invoke 'build'</code>. Cake tasks are a minimal way to expose your CoffeeScript functions to the command line, so <a href="v1/annotated-source/cake.html">don’t expect any fanciness built-in</a>. If you need dependencies, or async callbacks, it’s best to put them in your code itself — not the cake task.</p>
+</code></pre><script>window.example1 = "fs = require 'fs'\n\noption '-o', '--output [DIR]', 'directory for compiled code'\n\ntask 'build:parser', 'rebuild the Jison parser', (options) ->\n  require 'jison'\n  code = require('./lib/grammar').parser.generate()\n  dir  = options.output or 'lib'\n  fs.writeFile \"#{dir}/parser.js\", code\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example1);'>load</div><br class='clear' /></div><p>If you need to invoke one task before another — for example, running <code>build</code> before <code>test</code>, you can use the <code>invoke</code> function: <code>invoke 'build'</code>. Cake tasks are a minimal way to expose your CoffeeScript functions to the command line, so <a href="/v1/annotated-source/cake.html">don’t expect any fanciness built-in</a>. If you need dependencies, or async callbacks, it’s best to put them in your code itself — not the cake task.</p>
 
   <span class="bookmark" id="source-maps"></span>
     <h2>Source Maps</h2>
 <p>CoffeeScript 1.6.1 and above include support for generating source maps, a way to tell your JavaScript engine what part of your CoffeeScript program matches up with the code being evaluated. Browsers that support it can automatically use source maps to show your original source code in the debugger. To generate source maps alongside your JavaScript files, pass the <code>--map</code> or <code>-m</code> flag to the compiler.</p>
-<p>For a full introduction to source maps, how they work, and how to hook them up in your browser, read the <a href="http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/">HTML5 Tutorial</a>.</p>
+<p>For a full introduction to source maps, how they work, and how to hook them up in your browser, read the <a href="https://www.html5rocks.com/en/tutorials/developertools/sourcemaps/">HTML5 Tutorial</a>.</p>
 
   <span class="bookmark" id="scripts"></span>
     <h2>“text/coffeescript” Script Tags</h2>
-<p>While it’s not recommended for serious use, CoffeeScripts may be included directly within the browser using <code>&lt;script type=&quot;text/coffeescript&quot;&gt;</code> tags. The source includes a compressed and minified version of the compiler (<a href="v1/browser-compiler/coffee-script.js">Download current version here, 51k when gzipped</a>) as <code>v1/browser-compiler/coffee-script.js</code>. Include this file on a page with inline CoffeeScript tags, and it will compile and evaluate them in order.</p>
+<p>While it’s not recommended for serious use, CoffeeScripts may be included directly within the browser using <code>&lt;script type=&quot;text/coffeescript&quot;&gt;</code> tags. The source includes a compressed and minified version of the compiler (<a href="/v1/browser-compiler/coffee-script.js">Download current version here, 51k when gzipped</a>) as <code>v1/browser-compiler/coffee-script.js</code>. Include this file on a page with inline CoffeeScript tags, and it will compile and evaluate them in order.</p>
 <p>In fact, the little bit of glue script that runs “Try CoffeeScript” above, as well as the jQuery for the menu, is implemented in just this way. View source and look at the bottom of the page to see the example. Including the script also gives you access to <code>CoffeeScript.compile()</code> so you can pop open Firebug and try compiling some strings.</p>
 <p>The usual caveats about CoffeeScript apply — your inline scripts will run within a closure wrapper, so if you want to expose global variables or functions, attach them to the <code>window</code> object.</p>
 
@@ -2451,22 +2458,22 @@ task(<span class="string">'build:parser'</span>, <span class="string">'rebuild t
     <h2>Books</h2>
 <p>There are a number of excellent resources to help you get started with CoffeeScript, some of which are freely available online.</p>
 <ul>
-<li><a href="http://arcturo.github.com/library/coffeescript/">The Little Book on CoffeeScript</a> is a brief 5-chapter introduction to CoffeeScript, written with great clarity and precision by <a href="http://alexmaccaw.co.uk/">Alex MacCaw</a>.</li>
-<li><a href="http://autotelicum.github.com/Smooth-CoffeeScript/">Smooth CoffeeScript</a> is a reimagination of the excellent book <a href="http://eloquentjavascript.net/">Eloquent JavaScript</a>, as if it had been written in CoffeeScript instead. Covers language features as well as the functional and object oriented programming styles. By <a href="https://github.com/autotelicum">E. Hoigaard</a>.</li>
+<li><a href="http://arcturo.github.io/library/coffeescript/">The Little Book on CoffeeScript</a> is a brief 5-chapter introduction to CoffeeScript, written with great clarity and precision by <a href="http://alexmaccaw.co.uk/">Alex MacCaw</a>.</li>
+<li><a href="http://autotelicum.github.io/Smooth-CoffeeScript/">Smooth CoffeeScript</a> is a reimagination of the excellent book <a href="http://eloquentjavascript.net/">Eloquent JavaScript</a>, as if it had been written in CoffeeScript instead. Covers language features as well as the functional and object oriented programming styles. By <a href="https://github.com/autotelicum">E. Hoigaard</a>.</li>
 <li><a href="http://pragprog.com/book/tbcoffee/coffeescript">CoffeeScript: Accelerated JavaScript Development</a> is <a href="http://trevorburnham.com/">Trevor Burnham</a>’s thorough introduction to the language. By the end of the book, you’ll have built a fast-paced multiplayer word game, writing both the client-side and Node.js portions in CoffeeScript.</li>
-<li><a href="http://www.packtpub.com/coffeescript-programming-with-jquery-rails-nodejs/book">CoffeeScript Programming with jQuery, Rails, and Node.js</a> is a new book by Michael Erasmus that covers CoffeeScript with an eye towards real-world usage both in the browser (jQuery) and on the server-side (Rails, Node).</li>
+<li><a href="https://www.packtpub.com/web-development/coffeescript-programming-jquery-rails-and-nodejs">CoffeeScript Programming with jQuery, Rails, and Node.js</a> is a new book by Michael Erasmus that covers CoffeeScript with an eye towards real-world usage both in the browser (jQuery) and on the server-side (Rails, Node).</li>
 <li><a href="https://leanpub.com/coffeescript-ristretto/read">CoffeeScript Ristretto</a> is a deep dive into CoffeeScript’s semantics from simple functions up through closures, higher-order functions, objects, classes, combinators, and decorators. By <a href="http://braythwayt.com/">Reg Braithwaite</a>.</li>
 <li><a href="https://efendibooks.com/minibooks/testing-with-coffeescript">Testing with CoffeeScript</a> is a succinct and freely downloadable guide to building testable applications with CoffeeScript and Jasmine.</li>
-<li><a href="http://www.packtpub.com/coffeescript-application-development/book">CoffeeScript Application Development</a> from Packt, introduces CoffeeScript while walking through the process of building a demonstration web application. A <a href="https://www.packtpub.com/web-development/coffeescript-application-development-cookbook">CoffeeScript Application Development Coookbook</a> with over 90 “recipes” is also available.</li>
-<li><a href="http://www.manning.com/lee/">CoffeeScript in Action</a> from Manning Publications, covers CoffeeScript syntax, composition techniques and application development.</li>
-<li><a href="http://www.dpunkt.de/buecher/4021/coffeescript.html">CoffeeScript: Die Alternative zu JavaScript</a> from dpunkt.verlag, is the first CoffeeScript book in Deutsch.</li>
+<li><a href="https://www.packtpub.com/web-development/coffeescript-application-development">CoffeeScript Application Development</a> from Packt, introduces CoffeeScript while walking through the process of building a demonstration web application. A <a href="https://www.packtpub.com/web-development/coffeescript-application-development-cookbook">CoffeeScript Application Development Coookbook</a> with over 90 “recipes” is also available.</li>
+<li><a href="https://www.manning.com/books/coffeescript-in-action">CoffeeScript in Action</a> from Manning Publications, covers CoffeeScript syntax, composition techniques and application development.</li>
+<li><a href="https://www.dpunkt.de/buecher/4021/coffeescript.html">CoffeeScript: Die Alternative zu JavaScript</a> from dpunkt.verlag, is the first CoffeeScript book in Deutsch.</li>
 </ul>
 
   <span class="bookmark" id="screencasts"></span>
     <h2>Screencasts</h2>
 <ul>
-<li><a href="http://coffeescript.codeschool.com">A Sip of CoffeeScript</a> is a <a href="http://www.codeschool.com">Code School Course</a> which combines 6 screencasts with in-browser coding to make learning fun. The first level is free to try out.</li>
-<li><a href="http://peepcode.com/products/coffeescript">Meet CoffeeScript</a> is a 75-minute long screencast by <a href="http://peepcode.com/">PeepCode</a>. Highly memorable for its animations which demonstrate transforming CoffeeScript into the equivalent JS.</li>
+<li><a href="http://coffeescript.codeschool.com/">A Sip of CoffeeScript</a> is a <a href="https://www.codeschool.com">Code School Course</a> which combines 6 screencasts with in-browser coding to make learning fun. The first level is free to try out.</li>
+<li><a href="https://www.pluralsight.com/courses/meet-coffeescript">Meet CoffeeScript</a> is a 75-minute long screencast by PeepCode, now <a href="https://www.pluralsight.com/">PluralSight</a>. Highly memorable for its animations which demonstrate transforming CoffeeScript into the equivalent JS.</li>
 <li>If you’re looking for less of a time commitment, RailsCasts’ <a href="http://railscasts.com/episodes/267-coffeescript-basics">CoffeeScript Basics</a> should have you covered, hitting all of the important notes about CoffeeScript in 11 minutes.</li>
 </ul>
 
@@ -2474,10 +2481,9 @@ task(<span class="string">'build:parser'</span>, <span class="string">'rebuild t
     <h2>Examples</h2>
 <p>The <a href="https://github.com/trending?l=coffeescript&amp;since=monthly">best list of open-source CoffeeScript examples</a> can be found on GitHub. But just to throw out a few more:</p>
 <ul>
-<li><strong>GitHub</strong>’s <a href="http://hubot.github.com/">Hubot</a>, a friendly IRC robot that can perform any number of useful and useless tasks.</li>
+<li><strong>GitHub</strong>’s <a href="https://hubot.github.com/">Hubot</a>, a friendly IRC robot that can perform any number of useful and useless tasks.</li>
 <li><strong>sstephenson</strong>’s <a href="http://pow.cx/">Pow</a>, a zero-configuration Rack server, with comprehensive annotated source.</li>
 <li><strong>technoweenie</strong>’s <a href="https://github.com/technoweenie/coffee-resque">Coffee-Resque</a>, a port of <a href="https://github.com/defunkt/resque">Resque</a> for Node.js.</li>
-<li><strong>assaf</strong>’s <a href="http://zombie.labnotes.org/">Zombie.js</a>, a headless, full-stack, faux-browser testing library for Node.js.</li>
 <li><strong>stephank</strong>’s <a href="https://github.com/stephank/orona">Orona</a>, a remake of the Bolo tank game for modern browsers.</li>
 <li><strong>GitHub</strong>’s <a href="https://atom.io/">Atom</a>, a hackable text editor built on web technologies.</li>
 <li><strong>Basecamp</strong>’s <a href="https://trix-editor.org/">Trix</a>, a rich text editor for web apps.</li>
@@ -2487,7 +2493,7 @@ task(<span class="string">'build:parser'</span>, <span class="string">'rebuild t
     <h2>Resources</h2>
 <ul>
 <li>
-<p><a href="http://github.com/jashkenas/coffeescript/">Source Code</a><br>
+<p><a href="https://github.com/jashkenas/coffeescript/">Source Code</a><br>
 Use <code>bin/coffee</code> to test your changes,<br>
 <code>bin/cake test</code> to run the test suite,<br>
 <code>bin/cake build</code> to rebuild the full CoffeeScript compiler, and<br>
@@ -2495,11 +2501,11 @@ Use <code>bin/coffee</code> to test your changes,<br>
 <p><code>git checkout lib &amp;&amp; bin/cake build:full</code> is a good command to run when you’re working on the core language. It’ll refresh the <code>lib</code> folder (in case you broke something), build your altered compiler, use that to rebuild itself (a good sanity test) and then run all of the tests. If they pass, there’s a good chance you’ve made a successful change.</p>
 </li>
 <li>
-<p><a href="v1/test.html">Browser Tests</a><br>
+<p><a href="/v1/test.html">Browser Tests</a><br>
 Run CoffeeScript’s test suite in your current browser.</p>
 </li>
 <li>
-<p><a href="http://github.com/jashkenas/coffeescript/issues">CoffeeScript Issues</a><br>
+<p><a href="https://github.com/jashkenas/coffeescript/issues">CoffeeScript Issues</a><br>
 Bug reports, feature proposals, and ideas for changes to the language belong here.</p>
 </li>
 <li>
@@ -2507,11 +2513,11 @@ Bug reports, feature proposals, and ideas for changes to the language belong her
 If you’d like to ask a question, the mailing list is a good place to get help.</p>
 </li>
 <li>
-<p><a href="http://github.com/jashkenas/coffeescript/wiki">The CoffeeScript Wiki</a><br>
-If you’ve ever learned a neat CoffeeScript tip or trick, or ran into a gotcha — share it on the wiki. The wiki also serves as a directory of handy <a href="http://github.com/jashkenas/coffeescript/wiki/Text-editor-plugins">text editor extensions</a>, <a href="http://github.com/jashkenas/coffeescript/wiki/Web-framework-plugins">web framework plugins</a>, and general <a href="http://github.com/jashkenas/coffeescript/wiki/Build-tools">CoffeeScript build tools</a>.</p>
+<p><a href="https://github.com/jashkenas/coffeescript/wiki">The CoffeeScript Wiki</a><br>
+If you’ve ever learned a neat CoffeeScript tip or trick, or ran into a gotcha — share it on the wiki. The wiki also serves as a directory of handy <a href="https://github.com/jashkenas/coffeescript/wiki/Text-editor-plugins">text editor extensions</a>, <a href="https://github.com/jashkenas/coffeescript/wiki/Web-framework-plugins">web framework plugins</a>, and general <a href="https://github.com/jashkenas/coffeescript/wiki/Build-tools">CoffeeScript build tools</a>.</p>
 </li>
 <li>
-<p><a href="http://github.com/jashkenas/coffeescript/wiki/FAQ">The FAQ</a><br>
+<p><a href="https://github.com/jashkenas/coffeescript/wiki/FAQ">The FAQ</a><br>
 Perhaps your CoffeeScript-related question has been asked before. Check the FAQ first.</p>
 </li>
 <li>
@@ -2531,6 +2537,26 @@ The CoffeeScript logo is available in SVG for use in presentations.</p>
 
   <span class="bookmark" id="changelog"></span>
     <h2>Change Log</h2>
+<div class="anchor" id="1.12.7"></div>
+<h2 class="header">
+  <a href="https://github.com/jashkenas/coffeescript/compare/1.12.6...1.12.7">1.12.7</a>
+  <span class="timestamp"> &mdash; <time datetime="2017-07-16">July 16, 2017</time></span>
+</h2><ul>
+<li>Fix regressions in 1.12.6 related to chained function calls and indented <code>return</code> and <code>throw</code> arguments.</li>
+<li>The REPL no longer warns about assigning to <code>_</code>.</li>
+</ul>
+<div class="anchor" id="1.12.6"></div>
+<h2 class="header">
+  <a href="https://github.com/jashkenas/coffeescript/compare/1.12.5...1.12.6">1.12.6</a>
+  <span class="timestamp"> &mdash; <time datetime="2017-05-15">May 15, 2017</time></span>
+</h2><ul>
+<li>The <code>return</code> and <code>export</code> keywords can now accept implicit objects (defined by indentation, without needing braces).</li>
+<li>Support Unicode code point escapes (e.g. <code>\u{1F4A9}</code>).</li>
+<li>The <code>coffee</code> command now first looks to see if CoffeeScript is installed under <code>node_modules</code> in the current folder, and executes the <code>coffee</code> binary there if so; or otherwise it runs the globally installed one. This allows you to have one version of CoffeeScript installed globally and a different one installed locally for a particular project. (Likewise for the <code>cake</code> command.)</li>
+<li>Bugfixes for chained function calls not closing implicit objects or ternaries.</li>
+<li>Bugfixes for incorrect code generated by the <code>?</code> operator within a termary <code>if</code> statement.</li>
+<li>Fixed some tests, and failing tests now result in a nonzero exit code.</li>
+</ul>
 <div class="anchor" id="1.12.5"></div>
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/1.12.4...1.12.5">1.12.5</a>
@@ -2566,7 +2592,7 @@ The CoffeeScript logo is available in SVG for use in presentations.</p>
 <li>The browser compiler can once again be built unminified via <code>MINIFY=false cake build:browser</code>.</li>
 <li>The error-prone patched version of <code>Error.prepareStackTrace</code> has been removed.</li>
 <li>Command completion in the REPL (pressing tab to get suggestions) has been fixed for Node 6.9.1+.</li>
-<li>The <a href="v1/test.html">browser-based tests</a> now include all the tests as the Node-based version.</li>
+<li>The <a href="/v1/test.html">browser-based tests</a> now include all the tests as the Node-based version.</li>
 </ul>
 <div class="anchor" id="1.12.1"></div>
 <h2 class="header">
@@ -2585,7 +2611,7 @@ The CoffeeScript logo is available in SVG for use in presentations.</p>
 <li>CoffeeScript now provides a <a href="#generator-iteration"><code>for…from</code></a> syntax for outputting ES2015 <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of"><code>for…of</code></a>. (Sorry they couldn’t match, but we came up with <code>for…of</code> first for something else.) This allows iterating over generators or any other iterable object. Note that using <code>for…from</code> in your code makes you responsible for ensuring that either your runtime supports <code>for…of</code> or that you transpile the output JavaScript further to a version your target runtime(s) support.</li>
 <li>Triple backticks (<code>```​</code>) allow the creation of embedded JavaScript blocks where escaping single backticks is not required, which should improve interoperability with ES2015 template literals and with Markdown.</li>
 <li>Within single-backtick embedded JavaScript, backticks can now be escaped via <code>\`​</code>.</li>
-<li>The browser tests now run in the browser again, and are accessible <a href="v1/test.html">here</a> if you would like to test your browser.</li>
+<li>The browser tests now run in the browser again, and are accessible <a href="/v1/test.html">here</a> if you would like to test your browser.</li>
 <li>CoffeeScript-only keywords in ES2015 <code>import</code>s and <code>export</code>s are now ignored.</li>
 <li>The compiler now throws an error on trying to export an anonymous class.</li>
 <li>Bugfixes related to tokens and location data, for better source maps and improved compatibility with downstream tools.</li>
@@ -2800,7 +2826,7 @@ six = -&gt;
   <a href="https://github.com/jashkenas/coffeescript/compare/1.5.0...1.6.1">1.6.1</a>
   <span class="timestamp"> &mdash; <time datetime="2013-03-05">March 5, 2013</time></span>
 </h2><ul>
-<li>First release of <a href="#source-maps">source maps</a>. Pass the <code>--map</code> flag to the compiler, and off you go. Direct all your thanks over to <a href="http://github.com/jwalton">Jason Walton</a>.</li>
+<li>First release of <a href="#source-maps">source maps</a>. Pass the <code>--map</code> flag to the compiler, and off you go. Direct all your thanks over to <a href="https://github.com/jwalton">Jason Walton</a>.</li>
 <li>Fixed a 1.5.0 regression with multiple implicit calls against an indented implicit object. Combinations of implicit function calls and implicit objects should generally be parsed better now — but it still isn’t good <em>style</em> to nest them too heavily.</li>
 <li><code>.coffee.md</code> is now also supported as a Literate CoffeeScript file extension, for existing tooling. <code>.litcoffee</code> remains the canonical one.</li>
 <li>Several minor fixes surrounding member properties, bound methods and <code>super</code> in class declarations.</li>
@@ -2907,7 +2933,7 @@ six = -&gt;
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.9.4...0.9.5">0.9.5</a>
   <span class="timestamp"> &mdash; <time datetime="2010-11-21">November 21, 2010</time></span>
-</h2><p>0.9.5 should be considered the first release candidate for CoffeeScript 1.0. There have been a large number of internal changes since the previous release, many contributed from <strong>satyr</strong>’s <a href="http://github.com/satyr/coco">Coco</a> dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions can now have default arguments. Class bodies are now executable code. Improved syntax errors for invalid CoffeeScript. <code>undefined</code> now works like <code>null</code>, and cannot be assigned a new value. There was a precedence change with respect to single-line comprehensions: <code>result = i for i in list</code>
+</h2><p>0.9.5 should be considered the first release candidate for CoffeeScript 1.0. There have been a large number of internal changes since the previous release, many contributed from <strong>satyr</strong>’s <a href="https://github.com/satyr/coco">Coco</a> dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions can now have default arguments. Class bodies are now executable code. Improved syntax errors for invalid CoffeeScript. <code>undefined</code> now works like <code>null</code>, and cannot be assigned a new value. There was a precedence change with respect to single-line comprehensions: <code>result = i for i in list</code>
 used to parse as <code>result = (i for i in list)</code> by default … it now parses as
 <code>(result = i) for i in list</code>.</p>
 <div class="anchor" id="0.9.4"></div>
@@ -2974,7 +3000,7 @@ used to parse as <code>result = (i for i in list)</code> by default … it now p
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.5.4...0.5.5">0.5.5</a>
   <span class="timestamp"> &mdash; <time datetime="2010-03-08">March 8, 2010</time></span>
-</h2><p>String interpolation, contributed by <a href="http://github.com/StanAngeloff">Stan Angeloff</a>. Since <code>--run</code> has been the default since <strong>0.5.3</strong>, updating <code>--stdio</code> and <code>--eval</code> to run by default, pass <code>--compile</code> as well if you’d like to print the result.</p>
+</h2><p>String interpolation, contributed by <a href="https://github.com/StanAngeloff">Stan Angeloff</a>. Since <code>--run</code> has been the default since <strong>0.5.3</strong>, updating <code>--stdio</code> and <code>--eval</code> to run by default, pass <code>--compile</code> as well if you’d like to print the result.</p>
 <div class="anchor" id="0.5.4"></div>
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.5.3...0.5.4">0.5.4</a>
@@ -2990,7 +3016,7 @@ used to parse as <code>result = (i for i in list)</code> by default … it now p
   <a href="https://github.com/jashkenas/coffeescript/compare/0.5.1...0.5.2">0.5.2</a>
   <span class="timestamp"> &mdash; <time datetime="2010-02-25">February 25, 2010</time></span>
 </h2><p>Added a compressed version of the compiler for inclusion in web pages as
-<code>v1/browser-compiler/coffee-script.js</code>. It’ll automatically run any script tags with type <code>text/coffeescript</code> for you. Added a <code>--stdio</code> option to the <code>coffee</code> command, for piped-in compiles.</p>
+<code>/v1/browser-compiler/coffee-script.js</code>. It’ll automatically run any script tags with type <code>text/coffeescript</code> for you. Added a <code>--stdio</code> option to the <code>coffee</code> command, for piped-in compiles.</p>
 <div class="anchor" id="0.5.1"></div>
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.5.0...0.5.1">0.5.1</a>
@@ -3056,7 +3082,7 @@ The <code>extends</code> keyword now functions identically to <code>goog.inherit
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.1.6...0.2.0">0.2.0</a>
   <span class="timestamp"> &mdash; <time datetime="2010-01-05">January 5, 2010</time></span>
-</h2><p>Major release. Significant whitespace. Better statement-to-expression conversion. Splats. Splice literals. Object comprehensions. Blocks. The existential operator. Many thanks to all the folks who posted issues, with special thanks to <a href="http://github.com/liamoc">Liam O’Connor-Davis</a> for whitespace and expression help.</p>
+</h2><p>Major release. Significant whitespace. Better statement-to-expression conversion. Splats. Splice literals. Object comprehensions. Blocks. The existential operator. Many thanks to all the folks who posted issues, with special thanks to <a href="https://github.com/liamoc">Liam O’Connor-Davis</a> for whitespace and expression help.</p>
 <div class="anchor" id="0.1.6"></div>
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.1.5...0.1.6">0.1.6</a>
@@ -3071,7 +3097,7 @@ The <code>extends</code> keyword now functions identically to <code>goog.inherit
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.1.3...0.1.4">0.1.4</a>
   <span class="timestamp"> &mdash; <time datetime="2009-12-25">December 25, 2009</time></span>
-</h2><p>The official CoffeeScript extension is now <code>.coffee</code> instead of <code>.cs</code>, which properly belongs to <a href="http://en.wikipedia.org/wiki/C_Sharp_(programming_language)">C#</a>. Due to popular demand, you can now also use <code>=</code> to assign. Unlike JavaScript, <code>=</code> can also be used within object literals, interchangeably with <code>:</code>. Made a grammatical fix for chained function calls like <code>func(1)(2)(3)(4)</code>. Inheritance and super no longer use <code>__proto__</code>, so they should be IE-compatible now.</p>
+</h2><p>The official CoffeeScript extension is now <code>.coffee</code> instead of <code>.cs</code>, which properly belongs to <a href="https://en.wikipedia.org/wiki/C_Sharp_(programming_language)">C#</a>. Due to popular demand, you can now also use <code>=</code> to assign. Unlike JavaScript, <code>=</code> can also be used within object literals, interchangeably with <code>:</code>. Made a grammatical fix for chained function calls like <code>func(1)(2)(3)(4)</code>. Inheritance and super no longer use <code>__proto__</code>, so they should be IE-compatible now.</p>
 <div class="anchor" id="0.1.3"></div>
 <h2 class="header">
   <a href="https://github.com/jashkenas/coffeescript/compare/0.1.2...0.1.3">0.1.3</a>

docs/v1/test.html

@@ -90,6 +90,10 @@ arrayEgal = (a, b) ->
 @eq      = (a, b, msg) -> ok egal(a, b), msg or "Expected #{a} to equal #{b}"
 @arrayEq = (a, b, msg) -> ok arrayEgal(a,b), msg or "Expected #{a} to deep equal #{b}"
 
+@toJS = (str) ->
+  CoffeeScript.compile str, bare: yes
+  .replace /^\s+|\s+$/g, '' # Trim leading/trailing whitespace
+
 
 @doesNotThrow = (fn) ->
   fn()
@@ -3146,6 +3150,17 @@ test "#748: trailing reserved identifiers", ->
     nonce
   eq nonce, result
 
+test 'if-else within an assignment, condition parenthesized', ->
+  result = if (1 is 1) then 'correct'
+  eq result, 'correct'
+
+  result = if ('whatever' ? no) then 'correct'
+  eq result, 'correct'
+
+  f = -> 'wrong'
+  result = if (f?()) then 'correct' else 'wrong'
+  eq result, 'correct'
+
 # Postfix
 
 test "#3056: multiple postfix conditionals", ->
@@ -4684,6 +4699,119 @@ test "can't use pattern matches for loop indices", ->
              ^^^
   '''
 
+test "#4248: Unicode code point escapes", ->
+  assertErrorFormat '''
+    "a
+      #{b} \\u{G02}
+     c"
+  ''', '''
+    [stdin]:2:8: error: invalid escape sequence \\u{G02}
+      #{b} \\u{G02}
+           ^\^^^^^^
+  '''
+  assertErrorFormat '''
+    /a\\u{}b/
+  ''', '''
+    [stdin]:1:3: error: invalid escape sequence \\u{}
+    /a\\u{}b/
+      ^\^^^
+  '''
+  assertErrorFormat '''
+    ///a \\u{01abc///
+  ''', '''
+    [stdin]:1:6: error: invalid escape sequence \\u{01abc
+    ///a \\u{01abc///
+         ^\^^^^^^^
+  '''
+
+  assertErrorFormat '''
+    /\\u{123} \\u{110000}/
+  ''', '''
+    [stdin]:1:10: error: unicode code point escapes greater than \\u{10ffff} are not allowed
+    /\\u{123} \\u{110000}/
+      \       ^\^^^^^^^^^
+  '''
+
+  assertErrorFormat '''
+    ///abc\\\\\\u{123456}///u
+  ''', '''
+    [stdin]:1:9: error: unicode code point escapes greater than \\u{10ffff} are not allowed
+    ///abc\\\\\\u{123456}///u
+           \ \^\^^^^^^^^^
+  '''
+
+  assertErrorFormat '''
+    """
+      \\u{123}
+      a
+        \\u{00110000}
+      #{ 'b' }
+    """
+  ''', '''
+    [stdin]:4:5: error: unicode code point escapes greater than \\u{10ffff} are not allowed
+        \\u{00110000}
+        ^\^^^^^^^^^^^
+  '''
+
+  assertErrorFormat '''
+    '\\u{a}\\u{1111110000}'
+  ''', '''
+    [stdin]:1:7: error: unicode code point escapes greater than \\u{10ffff} are not allowed
+    '\\u{a}\\u{1111110000}'
+      \    ^\^^^^^^^^^^^^^
+  '''
+
+test "#4283: error message for implicit call", ->
+  assertErrorFormat '''
+    console.log {search, users, contacts users_to_display}
+  ''', '''
+    [stdin]:1:29: error: unexpected implicit function call
+    console.log {search, users, contacts users_to_display}
+                                ^^^^^^^^
+  '''
+
+test "#3199: error message for call indented non-object", ->
+  assertErrorFormat '''
+    fn = ->
+    fn
+      1
+  ''', '''
+    [stdin]:3:1: error: unexpected indentation
+      1
+    ^^
+  '''
+
+test "#3199: error message for call indented comprehension", ->
+  assertErrorFormat '''
+    fn = ->
+    fn
+      x for x in [1, 2, 3]
+  ''', '''
+    [stdin]:3:1: error: unexpected indentation
+      x for x in [1, 2, 3]
+    ^^
+  '''
+
+test "#3199: error message for return indented non-object", ->
+  assertErrorFormat '''
+    return
+      1
+  ''', '''
+    [stdin]:2:3: error: unexpected number
+      1
+      ^
+  '''
+
+test "#3199: error message for return indented comprehension", ->
+  assertErrorFormat '''
+    return
+      x for x in [1, 2, 3]
+  ''', '''
+    [stdin]:2:3: error: unexpected identifier
+      x for x in [1, 2, 3]
+      ^
+  '''
+
 </script>
 <script type="text/x-coffeescript" class="test" id="eval">
 if vm = require? 'vm'
@@ -4994,6 +5122,9 @@ test "indented heredoc", ->
 #   * single line arguments
 #   * inline function literal
 #   * inline object literal
+#
+# * chaining inside
+#   * implicit object literal
 
 test "chaining after outdent", ->
   id = (x) -> x
@@ -5064,6 +5195,47 @@ test "#1495, method call chaining", ->
   ).join ', '
   eq 'a, b, c', result
 
+test "chaining should not wrap spilling ternary", ->
+  throws -> CoffeeScript.compile """
+    if 0 then 1 else g
+      a: 42
+    .h()
+  """
+
+test "chaining should wrap calls containing spilling ternary", ->
+  f = (x) -> h: x
+  id = (x) -> x
+  result = f if true then 42 else id
+      a: 2
+  .h
+  eq 42, result
+
+test "chaining should work within spilling ternary", ->
+  f = (x) -> h: x
+  id = (x) -> x
+  result = f if false then 1 else id
+      a: 3
+      .a
+  eq 3, result.h
+
+test "method call chaining inside objects", ->
+  f = (x) -> c: 42
+  result =
+    a: f 1
+    b: f a: 1
+      .c
+  eq 42, result.b
+
+test "#4568: refine sameLine implicit object tagging", ->
+  condition = yes
+  fn = -> yes
+
+  x =
+    fn bar: {
+      foo: 123
+    } if not condition
+  eq x, undefined
+
 # Nested blocks caused by paren unwrapping
 test "#1492: Nested blocks don't cause double semicolons", ->
   js = CoffeeScript.compile '(0;0)'
@@ -5121,6 +5293,13 @@ test "#1275: allow indentation before closing brackets", ->
    )
   eq 1, a
 
+test "#3199: return multiline implicit object", ->
+  y = do ->
+    if no then return
+      type: 'a'
+      msg: 'b'
+  eq undefined, y
+
 </script>
 <script type="text/x-coffeescript" class="test" id="function_invocation">
 # Function Invocation
@@ -7635,12 +7814,6 @@ test "Verify all tokens get a location", ->
 # CoffeeScript also supports optional commas within `{ … }`.
 
 
-# Helper function
-toJS = (str) ->
-  CoffeeScript.compile str, bare: yes
-  .replace /^\s+|\s+$/g, '' # Trim leading/trailing whitespace
-
-
 # Import statements
 
 test "backticked import statement", ->
@@ -7952,6 +8125,28 @@ test "export default object", ->
     };"""
   eq toJS(input), output
 
+test "export default implicit object", ->
+  input = "export default foo: 'bar', baz: 'qux'"
+  output = """
+    export default {
+      foo: 'bar',
+      baz: 'qux'
+    };"""
+  eq toJS(input), output
+
+test "export default multiline implicit object", ->
+  input = """
+    export default
+      foo: 'bar',
+      baz: 'qux'
+    """
+  output = """
+    export default {
+      foo: 'bar',
+      baz: 'qux'
+    };"""
+  eq toJS(input), output
+
 test "export default assignment expression", ->
   input = "export default foo = 'bar'"
   output = """
@@ -9151,6 +9346,18 @@ test "#4324: Shorthand after interpolated key", ->
   eq 1, obj[1]
   eq 2, obj.a
 
+test "#1263: Braceless object return", ->
+  fn = ->
+    return
+      a: 1
+      b: 2
+      c: -> 3
+
+  obj = fn()
+  eq 1, obj.a
+  eq 2, obj.b
+  eq 3, obj.c()
+
 </script>
 <script type="text/x-coffeescript" class="test" id="operators">
 # Operators
@@ -10117,6 +10324,37 @@ test "#3795: Escape otherwise invalid characters", ->
   ok ///#{a}\0
       1///.test 'a\x001'
 
+test "#4248: Unicode code point escapes", ->
+  # Support for the `u` flag in regexes was added in Node 6.
+  return if new RegExp().unicode is undefined
+  ok /a\u{1ab}c/u.test 'a\u01abc'
+  ok ///#{ 'a' }\u{000001ab}c///u.test 'a\u{1ab}c'
+  ok ///a\u{000001ab}c///u.test 'a\u{1ab}c'
+  ok /a\u{12345}c/u.test 'a\ud808\udf45c'
+
+  # and now without u flag
+  ok /a\u{1ab}c/.test 'a\u01abc'
+  ok ///#{ 'a' }\u{000001ab}c///.test 'a\u{1ab}c'
+  ok ///a\u{000001ab}c///.test 'a\u{1ab}c'
+  ok /a\u{12345}c/.test 'a\ud808\udf45c'
+
+  # rewrite code point escapes
+  input = """
+    /\\u{bcdef}\\u{abc}/u
+    """
+  output = """
+    /\\udab3\\uddef\\u0abc/u;
+  """
+  eq toJS(input), output
+
+  input = """
+    ///#{ 'a' }\\u{bcdef}///
+    """
+  output = """
+    /a\\udab3\\uddef/;
+  """
+  eq toJS(input), output
+
 </script>
 <script type="text/x-coffeescript" class="test" id="repl">
 return if global.testingBrowser
@@ -10188,6 +10426,11 @@ testRepl "variables are saved", (input, output) ->
   eq "'foobar'", output.lastWrite()
 
 testRepl "empty command evaluates to undefined", (input, output) ->
+  # A regression fixed in Node 5.11.0 broke the handling of pressing enter in
+  # the Node REPL; see https://github.com/nodejs/node/pull/6090 and
+  # https://github.com/jashkenas/coffeescript/issues/4502.
+  # Just skip this test for versions of Node < 6.
+  return if parseInt(process.versions.node.split('.')[0], 10) < 6
   input.emitLine ''
   eq 'undefined', output.lastWrite()
 
@@ -10861,10 +11104,10 @@ test "`Future Reserved Word`s, `eval` and `arguments` restrictions", ->
     check "#{keyword} *= 1"
     check "#{keyword} /= 1"
     check "#{keyword} ?= 1"
-    check "{keyword}++"
-    check "++{keyword}"
-    check "{keyword}--"
-    check "--{keyword}"
+    check "#{keyword}++"
+    check "++#{keyword}"
+    check "#{keyword}--"
+    check "--#{keyword}"
   destruct = (keyword, check = strict) ->
     check "{#{keyword}}"
     check "o = {#{keyword}}"
@@ -11307,6 +11550,36 @@ test "#4314: Whitespace less than or equal to stripped indentation", ->
     #{1} #{2}  #{3}   #{4}    #{5}     end
     a #{0}     b"""
 
+test "#4248: Unicode code point escapes", ->
+  eq '\u01ab\u00cd', '\u{1ab}\u{cd}'
+  eq '\u01ab', '\u{000001ab}'
+  eq 'a\u01ab', "#{ 'a' }\u{1ab}"
+  eq '\u01abc', '''\u{01ab}c'''
+  eq '\u01abc', """\u{1ab}#{ 'c' }"""
+  eq '\udab3\uddef', '\u{bcdef}'
+  eq '\udab3\uddef', '\u{0000bcdef}'
+  eq 'a\udab3\uddef', "#{ 'a' }\u{bcdef}"
+  eq '\udab3\uddefc', '''\u{0bcdef}c'''
+  eq '\udab3\uddefc', """\u{bcdef}#{ 'c' }"""
+  eq '\\u{123456}', "#{'\\'}#{'u{123456}'}"
+
+  # rewrite code point escapes
+  input = """
+    '\\u{bcdef}\\u{abc}'
+    """
+  output = """
+    '\\udab3\\uddef\\u0abc';
+  """
+  eq toJS(input), output
+
+  input = """
+    "#{ 'a' }\\u{bcdef}"
+    """
+  output = """
+    "a\\udab3\\uddef";
+  """
+  eq toJS(input), output
+
 </script>
 <script type="text/x-coffeescript" class="test" id="tagged_template_literals">
 # Tagged template literals

docs/v2/annotated-source/browser.html

@@ -124,7 +124,6 @@ We add support for loading remote Coffee scripts via <strong>XHR</strong>, and
             
             <div class="content"><div class='highlight'><pre>
 CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span>
-CoffeeScript.<span class="hljs-built_in">require</span> = <span class="hljs-built_in">require</span>
 compile = CoffeeScript.compile</pre></div></div>
             
         </li>
@@ -171,11 +170,12 @@ compile = CoffeeScript.compile</pre></div></div>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-4">&#182;</a>
               </div>
-              <p>If we’re not in a browser environment, we’re finished with the public API.</p>
+              <p>Export this more limited <code>CoffeeScript</code> than what is exported by
+<code>index.coffee</code>, which is intended for a Node environment.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> <span class="hljs-built_in">window</span>?</pre></div></div>
+            <div class="content"><div class='highlight'><pre><span class="hljs-built_in">module</span>.exports = CoffeeScript</pre></div></div>
             
         </li>
         
@@ -186,6 +186,21 @@ compile = CoffeeScript.compile</pre></div></div>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-5">&#182;</a>
               </div>
+              <p>If we’re not in a browser environment, we’re finished with the public API.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> <span class="hljs-built_in">window</span>?</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#182;</a>
+              </div>
               <p>Include source maps where possible. If we’ve got a base64 encoder, a
 JSON serializer, and tools for escaping unicode characters, we’re good to go.
 Ported from <a href="https://developer.mozilla.org/en-US/docs/DOM/window.btoa">https://developer.mozilla.org/en-US/docs/DOM/window.btoa</a></p>
@@ -200,11 +215,11 @@ Ported from <a href="https://developer.mozilla.org/en-US/docs/DOM/window.btoa">h
         </li>
         
         
-        <li id="section-6">
+        <li id="section-7">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-6">&#182;</a>
+                <a class="pilcrow" href="#section-7">&#182;</a>
               </div>
               <p>Load a remote script from the current domain via XHR.</p>
 
@@ -231,11 +246,11 @@ Ported from <a href="https://developer.mozilla.org/en-US/docs/DOM/window.btoa">h
         </li>
         
         
-        <li id="section-7">
+        <li id="section-8">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-7">&#182;</a>
+                <a class="pilcrow" href="#section-8">&#182;</a>
               </div>
               <p>Activate CoffeeScript in the browser by having it compile and evaluate
 all script tags with a content-type of <code>text/coffeescript</code>.
@@ -273,11 +288,11 @@ This happens on page load.</p>
         </li>
         
         
-        <li id="section-8">
+        <li id="section-9">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-8">&#182;</a>
+                <a class="pilcrow" href="#section-9">&#182;</a>
               </div>
               <p><code>options.filename</code> defines the filename the source map appears as
 in Developer Tools. If a script tag has an <code>id</code>, use that as the
@@ -296,11 +311,11 @@ only one CoffeeScript script block to parse.</p>
         </li>
         
         
-        <li id="section-9">
+        <li id="section-10">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-9">&#182;</a>
+                <a class="pilcrow" href="#section-10">&#182;</a>
               </div>
               <p>Listen for window load, both in decent browsers and in IE.</p>
 

docs/v2/annotated-source/cake.html

@@ -116,7 +116,7 @@
                 <a class="pilcrow" href="#section-1">&#182;</a>
               </div>
               <p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
-(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="http://github.com/280north/jake">Jake</a>)
+(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="https://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
@@ -141,7 +141,7 @@ current directory’s Cakefile.</p>
 path         = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
 helpers      = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
 optparse     = <span class="hljs-built_in">require</span> <span class="hljs-string">'./optparse'</span>
-CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span></pre></div></div>
+CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./'</span></pre></div></div>
             
         </li>
         

docs/v2/annotated-source/coffeescript.html

@@ -123,9 +123,6 @@ source CoffeeScript into JavaScript.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre>
-fs            = <span class="hljs-built_in">require</span> <span class="hljs-string">'fs'</span>
-vm            = <span class="hljs-built_in">require</span> <span class="hljs-string">'vm'</span>
-path          = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
 {Lexer}       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./lexer'</span>
 {parser}      = <span class="hljs-built_in">require</span> <span class="hljs-string">'./parser'</span>
 helpers       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
@@ -162,7 +159,7 @@ evaluated from <code>lib/coffeescript</code>.</p>
             
             <div class="content"><div class='highlight'><pre>exports.VERSION = packageJson.version
 
-exports.FILE_EXTENSIONS = [<span class="hljs-string">'.coffee'</span>, <span class="hljs-string">'.litcoffee'</span>, <span class="hljs-string">'.coffee.md'</span>]</pre></div></div>
+exports.FILE_EXTENSIONS = FILE_EXTENSIONS = [<span class="hljs-string">'.coffee'</span>, <span class="hljs-string">'.litcoffee'</span>, <span class="hljs-string">'.coffee.md'</span>]</pre></div></div>
             
         </li>
         
@@ -255,7 +252,7 @@ didn’t create a source map (faster) but something went wrong and we need
 a stack trace. Assuming that most of the time, code isn’t throwing
 exceptions, it’s probably more efficient to compile twice only when we
 need a stack trace, rather than always generating a source map even when
-it’s not likely to be used. Save in form of <code>filename</code>: <code>(source)</code></p>
+it’s not likely to be used. Save in form of <code>filename</code>: [<code>(source)</code>]</p>
 
             </div>
             
@@ -270,7 +267,7 @@ it’s not likely to be used. Save in form of <code>filename</code>: <code>(sour
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-9">&#182;</a>
               </div>
-              <p>Also save source maps if generated, in form of <code>filename</code>: <code>(source map)</code>.</p>
+              <p>Also save source maps if generated, in form of <code>(source)</code>: [<code>(source map)</code>].</p>
 
             </div>
             
@@ -318,7 +315,10 @@ we need to recompile it to get a source map for <code>prepareStackTrace</code>.<
             <div class="content"><div class='highlight'><pre>  generateSourceMap = options.sourceMap <span class="hljs-keyword">or</span> options.inlineMap <span class="hljs-keyword">or</span> <span class="hljs-keyword">not</span> options.filename?
   filename = options.filename <span class="hljs-keyword">or</span> <span class="hljs-string">'&lt;anonymous&gt;'</span>
 
-  sources[filename] = code
+  checkShebangLine filename, code
+
+  sources[filename] ?= []
+  sources[filename].push code
   map = <span class="hljs-keyword">new</span> SourceMap <span class="hljs-keyword">if</span> generateSourceMap
 
   tokens = lexer.tokenize code, options</pre></div></div>
@@ -429,8 +429,9 @@ the same name.</p>
     js = <span class="hljs-string">"// <span class="hljs-subst">#{header}</span>\n<span class="hljs-subst">#{js}</span>"</span>
 
   <span class="hljs-keyword">if</span> generateSourceMap
-    v3SourceMap = map.generate(options, code)
-    sourceMaps[filename] = map
+    v3SourceMap = map.generate options, code
+    sourceMaps[filename] ?= []
+    sourceMaps[filename].push map
 
   <span class="hljs-keyword">if</span> options.inlineMap
     encoded = base64encode JSON.stringify v3SourceMap
@@ -493,13 +494,16 @@ or traverse it by using <code>.traverseChildren()</code> with a callback.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-19">&#182;</a>
               </div>
-              <p>Compile and execute a string of CoffeeScript (on the server), correctly
-setting <code>__filename</code>, <code>__dirname</code>, and relative <code>require()</code>.</p>
+              <p>This file used to export these methods; leave stubs that throw warnings
+instead. These methods have been moved into <code>index.coffee</code> to provide
+separate entrypoints for Node and non-Node environments, so that static
+analysis tools don’t choke on Node packages when compiling for a non-Node
+environment.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>exports.run = <span class="hljs-function"><span class="hljs-params">(code, options = {})</span> -&gt;</span>
-  mainModule = <span class="hljs-built_in">require</span>.main</pre></div></div>
+            <div class="content"><div class='highlight'><pre>exports.run = exports.eval = exports.register = <span class="hljs-function">-&gt;</span>
+  <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">'require index.coffee, not this file'</span></pre></div></div>
             
         </li>
         
@@ -510,221 +514,6 @@ setting <code>__filename</code>, <code>__dirname</code>, and relative <code>requ
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-20">&#182;</a>
               </div>
-              <p>Set the filename.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>  mainModule.filename = process.argv[<span class="hljs-number">1</span>] =
-    <span class="hljs-keyword">if</span> options.filename <span class="hljs-keyword">then</span> fs.realpathSync(options.filename) <span class="hljs-keyword">else</span> <span class="hljs-string">'&lt;anonymous&gt;'</span></pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-21">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-21">&#182;</a>
-              </div>
-              <p>Clear the module cache.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>  mainModule.moduleCache <span class="hljs-keyword">and</span>= {}</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-22">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-22">&#182;</a>
-              </div>
-              <p>Assign paths for node_modules loading</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>  dir = <span class="hljs-keyword">if</span> options.filename?
-    path.dirname fs.realpathSync options.filename
-  <span class="hljs-keyword">else</span>
-    fs.realpathSync <span class="hljs-string">'.'</span>
-  mainModule.paths = <span class="hljs-built_in">require</span>(<span class="hljs-string">'module'</span>)._nodeModulePaths dir</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-23">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-23">&#182;</a>
-              </div>
-              <p>Compile.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> helpers.isCoffee(mainModule.filename) <span class="hljs-keyword">or</span> <span class="hljs-built_in">require</span>.extensions
-    answer = compile code, options
-    code = answer.js ? answer
-
-  mainModule._compile code, mainModule.filename</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-24">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-24">&#182;</a>
-              </div>
-              <p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
-The CoffeeScript REPL uses this to run the input.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>exports.eval = <span class="hljs-function"><span class="hljs-params">(code, options = {})</span> -&gt;</span>
-  <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> code = code.trim()
-  createContext = vm.Script.createContext ? vm.createContext
-
-  isContext = vm.isContext ? (ctx) -&gt;
-    options.sandbox <span class="hljs-keyword">instanceof</span> createContext().constructor
-
-  <span class="hljs-keyword">if</span> createContext
-    <span class="hljs-keyword">if</span> options.sandbox?
-      <span class="hljs-keyword">if</span> isContext options.sandbox
-        sandbox = options.sandbox
-      <span class="hljs-keyword">else</span>
-        sandbox = createContext()
-        sandbox[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options.sandbox
-      sandbox.<span class="hljs-built_in">global</span> = sandbox.root = sandbox.GLOBAL = sandbox
-    <span class="hljs-keyword">else</span>
-      sandbox = <span class="hljs-built_in">global</span>
-    sandbox.__filename = options.filename || <span class="hljs-string">'eval'</span>
-    sandbox.__dirname  = path.dirname sandbox.__filename</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-25">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-25">&#182;</a>
-              </div>
-              <p>define module/require only if they chose not to specify their own</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">unless</span> sandbox <span class="hljs-keyword">isnt</span> <span class="hljs-built_in">global</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">module</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">require</span>
-      Module = <span class="hljs-built_in">require</span> <span class="hljs-string">'module'</span>
-      sandbox.<span class="hljs-built_in">module</span>  = _module  = <span class="hljs-keyword">new</span> Module(options.modulename || <span class="hljs-string">'eval'</span>)
-      sandbox.<span class="hljs-built_in">require</span> = _require = <span class="hljs-function"><span class="hljs-params">(path)</span> -&gt;</span>  Module._load path, _module, <span class="hljs-literal">true</span>
-      _module.filename = sandbox.__filename
-      <span class="hljs-keyword">for</span> r <span class="hljs-keyword">in</span> Object.getOwnPropertyNames <span class="hljs-built_in">require</span> <span class="hljs-keyword">when</span> r <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [<span class="hljs-string">'paths'</span>, <span class="hljs-string">'arguments'</span>, <span class="hljs-string">'caller'</span>]
-        _require[r] = <span class="hljs-built_in">require</span>[r]</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-26">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-26">&#182;</a>
-              </div>
-              <p>use the same hack node currently uses for their own REPL</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>      _require.paths = _module.paths = Module._nodeModulePaths process.cwd()
-      _require.resolve = <span class="hljs-function"><span class="hljs-params">(request)</span> -&gt;</span> Module._resolveFilename request, _module
-  o = {}
-  o[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options
-  o.bare = <span class="hljs-literal">on</span> <span class="hljs-comment"># ensure return value</span>
-  js = compile code, o
-  <span class="hljs-keyword">if</span> sandbox <span class="hljs-keyword">is</span> <span class="hljs-built_in">global</span>
-    vm.runInThisContext js
-  <span class="hljs-keyword">else</span>
-    vm.runInContext js, sandbox
-
-exports.register = <span class="hljs-function">-&gt;</span> <span class="hljs-built_in">require</span> <span class="hljs-string">'./register'</span></pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-27">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-27">&#182;</a>
-              </div>
-              <p>Throw error with deprecation warning when depending upon implicit <code>require.extensions</code> registration</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> <span class="hljs-built_in">require</span>.extensions
-  <span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> @FILE_EXTENSIONS <span class="hljs-keyword">then</span> <span class="hljs-keyword">do</span> (ext) -&gt;
-    <span class="hljs-built_in">require</span>.extensions[ext] ?= <span class="hljs-function">-&gt;</span>
-      <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"""
-      Use CoffeeScript.register() or require the coffeescript/register module to require <span class="hljs-subst">#{ext}</span> files.
-      """</span>
-
-exports._compileFile = <span class="hljs-function"><span class="hljs-params">(filename, sourceMap = <span class="hljs-literal">no</span>, inlineMap = <span class="hljs-literal">no</span>)</span> -&gt;</span>
-  raw = fs.readFileSync filename, <span class="hljs-string">'utf8'</span></pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-28">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-28">&#182;</a>
-              </div>
-              <p>Strip the Unicode byte order mark, if this file begins with one.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>  stripped = <span class="hljs-keyword">if</span> raw.charCodeAt(<span class="hljs-number">0</span>) <span class="hljs-keyword">is</span> <span class="hljs-number">0xFEFF</span> <span class="hljs-keyword">then</span> raw.substring <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> raw
-
-  <span class="hljs-keyword">try</span>
-    answer = compile stripped, {
-      filename, sourceMap, inlineMap
-      sourceFiles: [filename]
-      literate: helpers.isLiterate filename
-    }
-  <span class="hljs-keyword">catch</span> err</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-29">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-29">&#182;</a>
-              </div>
-              <p>As the filename and code of a dynamically loaded file will be different
-from the original file compiled with CoffeeScript.run, add that
-information to error so it can be pretty-printed later.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">throw</span> helpers.updateSyntaxError err, stripped, filename
-
-  answer</pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-30">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-30">&#182;</a>
-              </div>
               <p>Instantiate a Lexer for our use here.</p>
 
             </div>
@@ -734,11 +523,11 @@ information to error so it can be pretty-printed later.</p>
         </li>
         
         
-        <li id="section-31">
+        <li id="section-21">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-31">&#182;</a>
+                <a class="pilcrow" href="#section-21">&#182;</a>
               </div>
               <p>The real Lexer produces a generic stream of tokens. This object provides a
 thin wrapper around it, compatible with the Jison API. We can then pass it
@@ -755,22 +544,20 @@ directly as a “Jison lexer”.</p>
       @yylineno = @yylloc.first_line
     <span class="hljs-keyword">else</span>
       tag = <span class="hljs-string">''</span>
-
     tag
   setInput: <span class="hljs-function"><span class="hljs-params">(tokens)</span> -&gt;</span>
     parser.tokens = tokens
     @pos = <span class="hljs-number">0</span>
-  upcomingInput: <span class="hljs-function">-&gt;</span>
-    <span class="hljs-string">""</span></pre></div></div>
+  upcomingInput: <span class="hljs-function">-&gt;</span> <span class="hljs-string">''</span></pre></div></div>
             
         </li>
         
         
-        <li id="section-32">
+        <li id="section-22">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-32">&#182;</a>
+                <a class="pilcrow" href="#section-22">&#182;</a>
               </div>
               <p>Make all the AST nodes visible to the parser.</p>
 
@@ -781,11 +568,11 @@ directly as a “Jison lexer”.</p>
         </li>
         
         
-        <li id="section-33">
+        <li id="section-23">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-33">&#182;</a>
+                <a class="pilcrow" href="#section-23">&#182;</a>
               </div>
               <p>Override Jison’s default error handling function.</p>
 
@@ -796,11 +583,11 @@ directly as a “Jison lexer”.</p>
         </li>
         
         
-        <li id="section-34">
+        <li id="section-24">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-34">&#182;</a>
+                <a class="pilcrow" href="#section-24">&#182;</a>
               </div>
               <p>Disregard Jison’s message, it contains redundant line number information.
 Disregard the token, we take its value directly from the lexer in case
@@ -824,11 +611,11 @@ the error is caused by a generated token which might refer to its origin.</p>
         </li>
         
         
-        <li id="section-35">
+        <li id="section-25">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-35">&#182;</a>
+                <a class="pilcrow" href="#section-25">&#182;</a>
               </div>
               <p>The second argument has a <code>loc</code> property, which should have the location
 data for this token. Unfortunately, Jison seems to send an outdated <code>loc</code>
@@ -842,11 +629,11 @@ from the lexer.</p>
         </li>
         
         
-        <li id="section-36">
+        <li id="section-26">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-36">&#182;</a>
+                <a class="pilcrow" href="#section-26">&#182;</a>
               </div>
               <p>Based on <a href="http://v8.googlecode.com/svn/branches/bleeding_edge/src/messages.js">http://v8.googlecode.com/svn/branches/bleeding_edge/src/messages.js</a>
 Modified to handle sourceMap</p>
@@ -874,11 +661,11 @@ Modified to handle sourceMap</p>
         </li>
         
         
-        <li id="section-37">
+        <li id="section-27">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-37">&#182;</a>
+                <a class="pilcrow" href="#section-27">&#182;</a>
               </div>
               <p>Check for a sourceMap position</p>
 
@@ -916,29 +703,87 @@ Modified to handle sourceMap</p>
   <span class="hljs-keyword">else</span>
     fileLocation
 <span class="hljs-function">
-<span class="hljs-title">getSourceMap</span> = <span class="hljs-params">(filename)</span> -&gt;</span>
-  <span class="hljs-keyword">if</span> sourceMaps[filename]?
-    sourceMaps[filename]</pre></div></div>
+<span class="hljs-title">getSourceMap</span> = <span class="hljs-params">(filename, line, column)</span> -&gt;</span></pre></div></div>
             
         </li>
         
         
-        <li id="section-38">
+        <li id="section-28">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-38">&#182;</a>
+                <a class="pilcrow" href="#section-28">&#182;</a>
               </div>
-              <p>CoffeeScript compiled in a browser may get compiled with <code>options.filename</code>
-of <code>&lt;anonymous&gt;</code>, but the browser may request the stack trace with the
-filename of the script file.</p>
+              <p>Skip files that we didn’t compile, like Node system files that appear in
+the stack trace, as they never have source maps.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> sourceMaps[<span class="hljs-string">'&lt;anonymous&gt;'</span>]?
-    sourceMaps[<span class="hljs-string">'&lt;anonymous&gt;'</span>]
-  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> sources[filename]?
-    answer = compile sources[filename],
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">return</span> <span class="hljs-literal">null</span> <span class="hljs-keyword">unless</span> filename <span class="hljs-keyword">is</span> <span class="hljs-string">'&lt;anonymous&gt;'</span> <span class="hljs-keyword">or</span> filename.slice(filename.lastIndexOf(<span class="hljs-string">'.'</span>)) <span class="hljs-keyword">in</span> FILE_EXTENSIONS
+
+  <span class="hljs-keyword">if</span> filename <span class="hljs-keyword">isnt</span> <span class="hljs-string">'&lt;anonymous&gt;'</span> <span class="hljs-keyword">and</span> sourceMaps[filename]?
+    <span class="hljs-keyword">return</span> sourceMaps[filename][sourceMaps[filename].length - <span class="hljs-number">1</span>]</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-29">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-29">&#182;</a>
+              </div>
+              <p>CoffeeScript compiled in a browser or via <code>CoffeeScript.compile</code> or <code>.run</code>
+may get compiled with <code>options.filename</code> that’s missing, which becomes
+<code>&lt;anonymous&gt;</code>; but the runtime might request the stack trace with the
+filename of the script file. See if we have a source map cached under
+<code>&lt;anonymous&gt;</code> that matches the error.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> sourceMaps[<span class="hljs-string">'&lt;anonymous&gt;'</span>]?</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-30">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-30">&#182;</a>
+              </div>
+              <p>Work backwards from the most recent anonymous source maps, until we find
+one that works. This isn’t foolproof; there is a chance that multiple
+source maps will have line/column pairs that match. But we have no other
+way to match them. <code>frame.getFunction().toString()</code> doesn’t always work,
+and it’s not foolproof either.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">for</span> map <span class="hljs-keyword">in</span> sourceMaps[<span class="hljs-string">'&lt;anonymous&gt;'</span>] <span class="hljs-keyword">by</span> <span class="hljs-number">-1</span>
+      sourceLocation = map.sourceLocation [line - <span class="hljs-number">1</span>, column - <span class="hljs-number">1</span>]
+      <span class="hljs-keyword">return</span> map <span class="hljs-keyword">if</span> sourceLocation?[<span class="hljs-number">0</span>]? <span class="hljs-keyword">and</span> sourceLocation[<span class="hljs-number">1</span>]?</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-31">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-31">&#182;</a>
+              </div>
+              <p>If all else fails, recompile this source to get a source map. We need the
+previous section (for <code>&lt;anonymous&gt;</code>) despite this option, because after it
+gets compiled we will still need to look it up from
+<code>sourceMaps[&#39;&lt;anonymous&gt;&#39;]</code> in order to find and return it. That’s why we
+start searching from the end in the previous block, because most of the
+time the source map we want is the last one.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> sources[filename]?
+    answer = compile sources[filename][sources[filename].length - <span class="hljs-number">1</span>],
       filename: filename
       sourceMap: <span class="hljs-literal">yes</span>
       literate: helpers.isLiterate filename
@@ -949,11 +794,11 @@ filename of the script file.</p>
         </li>
         
         
-        <li id="section-39">
+        <li id="section-32">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-39">&#182;</a>
+                <a class="pilcrow" href="#section-32">&#182;</a>
               </div>
               <p>Based on <a href="http://goo.gl/ZTx1p">michaelficarra/CoffeeScriptRedux</a>
 NodeJS / V8 have no support for transforming positions in stack traces using
@@ -964,7 +809,7 @@ positions.</p>
             
             <div class="content"><div class='highlight'><pre>Error.prepareStackTrace = <span class="hljs-function"><span class="hljs-params">(err, stack)</span> -&gt;</span>
 <span class="hljs-function">  <span class="hljs-title">getSourceMapping</span> = <span class="hljs-params">(filename, line, column)</span> -&gt;</span>
-    sourceMap = getSourceMap filename
+    sourceMap = getSourceMap filename, line, column
     answer = sourceMap.sourceLocation [line - <span class="hljs-number">1</span>, column - <span class="hljs-number">1</span>] <span class="hljs-keyword">if</span> sourceMap?
     <span class="hljs-keyword">if</span> answer? <span class="hljs-keyword">then</span> [answer[<span class="hljs-number">0</span>] + <span class="hljs-number">1</span>, answer[<span class="hljs-number">1</span>] + <span class="hljs-number">1</span>] <span class="hljs-keyword">else</span> <span class="hljs-literal">null</span>
 
@@ -972,7 +817,20 @@ positions.</p>
     <span class="hljs-keyword">break</span> <span class="hljs-keyword">if</span> frame.getFunction() <span class="hljs-keyword">is</span> exports.run
     <span class="hljs-string">"    at <span class="hljs-subst">#{formatSourcePosition frame, getSourceMapping}</span>"</span>
 
-  <span class="hljs-string">"<span class="hljs-subst">#{err.toString()}</span>\n<span class="hljs-subst">#{frames.join <span class="hljs-string">'\n'</span>}</span>\n"</span></pre></div></div>
+  <span class="hljs-string">"<span class="hljs-subst">#{err.toString()}</span>\n<span class="hljs-subst">#{frames.join <span class="hljs-string">'\n'</span>}</span>\n"</span>
+<span class="hljs-function">
+<span class="hljs-title">checkShebangLine</span> = <span class="hljs-params">(file, input)</span> -&gt;</span>
+  firstLine = input.split(<span class="hljs-regexp">/$/m</span>)[<span class="hljs-number">0</span>]
+  rest = firstLine?.match(<span class="hljs-regexp">/^#!\s*([^\s]+\s*)(.*)/</span>)
+  args = rest?[<span class="hljs-number">2</span>]?.split(<span class="hljs-regexp">/\s/</span>).filter (s) -&gt; s <span class="hljs-keyword">isnt</span> <span class="hljs-string">''</span>
+  <span class="hljs-keyword">if</span> args?.length &gt; <span class="hljs-number">1</span>
+    <span class="hljs-built_in">console</span>.error <span class="hljs-string">'''
+      The script to be run begins with a shebang line with more than one
+      argument. This script will fail on platforms such as Linux which only
+      allow a single argument.
+    '''</span>
+    <span class="hljs-built_in">console</span>.error <span class="hljs-string">"The shebang line was: '<span class="hljs-subst">#{firstLine}</span>' in file '<span class="hljs-subst">#{file}</span>'"</span>
+    <span class="hljs-built_in">console</span>.error <span class="hljs-string">"The arguments were: <span class="hljs-subst">#{JSON.stringify args}</span>"</span></pre></div></div>
             
         </li>
         

docs/v2/annotated-source/command.html

@@ -140,7 +140,7 @@ interactive REPL.</p>
 path           = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
 helpers        = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
 optparse       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./optparse'</span>
-CoffeeScript   = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span>
+CoffeeScript   = <span class="hljs-built_in">require</span> <span class="hljs-string">'./'</span>
 {spawn, exec}  = <span class="hljs-built_in">require</span> <span class="hljs-string">'child_process'</span>
 {EventEmitter} = <span class="hljs-built_in">require</span> <span class="hljs-string">'events'</span>
 
@@ -180,7 +180,7 @@ useWinPathSep  = path.sep <span class="hljs-keyword">is</span> <span class="hljs
             </div>
             
             <div class="content"><div class='highlight'><pre>BANNER = <span class="hljs-string">'''
-  Usage: coffee [options] path/to/script.coffee -- [args]
+  Usage: coffee [options] path/to/script.coffee [args]
 
   If called without options, `coffee` will run your script.
 '''</span></pre></div></div>
@@ -199,25 +199,25 @@ useWinPathSep  = path.sep <span class="hljs-keyword">is</span> <span class="hljs
             </div>
             
             <div class="content"><div class='highlight'><pre>SWITCHES = [
-  [<span class="hljs-string">'-b'</span>, <span class="hljs-string">'--bare'</span>,            <span class="hljs-string">'compile without a top-level function wrapper'</span>]
-  [<span class="hljs-string">'-c'</span>, <span class="hljs-string">'--compile'</span>,         <span class="hljs-string">'compile to JavaScript and save as .js files'</span>]
-  [<span class="hljs-string">'-e'</span>, <span class="hljs-string">'--eval'</span>,            <span class="hljs-string">'pass a string from the command line as input'</span>]
-  [<span class="hljs-string">'-h'</span>, <span class="hljs-string">'--help'</span>,            <span class="hljs-string">'display this help message'</span>]
-  [<span class="hljs-string">'-i'</span>, <span class="hljs-string">'--interactive'</span>,     <span class="hljs-string">'run an interactive CoffeeScript REPL'</span>]
-  [<span class="hljs-string">'-j'</span>, <span class="hljs-string">'--join [FILE]'</span>,     <span class="hljs-string">'concatenate the source CoffeeScript before compiling'</span>]
-  [<span class="hljs-string">'-m'</span>, <span class="hljs-string">'--map'</span>,             <span class="hljs-string">'generate source map and save as .js.map files'</span>]
-  [<span class="hljs-string">'-M'</span>, <span class="hljs-string">'--inline-map'</span>,      <span class="hljs-string">'generate source map and include it directly in output'</span>]
-  [<span class="hljs-string">'-n'</span>, <span class="hljs-string">'--nodes'</span>,           <span class="hljs-string">'print out the parse tree that the parser produces'</span>]
-  [      <span class="hljs-string">'--nodejs [ARGS]'</span>,   <span class="hljs-string">'pass options directly to the "node" binary'</span>]
-  [      <span class="hljs-string">'--no-header'</span>,       <span class="hljs-string">'suppress the "Generated by" header'</span>]
-  [<span class="hljs-string">'-o'</span>, <span class="hljs-string">'--output [DIR]'</span>,    <span class="hljs-string">'set the output directory for compiled JavaScript'</span>]
-  [<span class="hljs-string">'-p'</span>, <span class="hljs-string">'--print'</span>,           <span class="hljs-string">'print out the compiled JavaScript'</span>]
+  [<span class="hljs-string">'-b'</span>, <span class="hljs-string">'--bare'</span>,              <span class="hljs-string">'compile without a top-level function wrapper'</span>]
+  [<span class="hljs-string">'-c'</span>, <span class="hljs-string">'--compile'</span>,           <span class="hljs-string">'compile to JavaScript and save as .js files'</span>]
+  [<span class="hljs-string">'-e'</span>, <span class="hljs-string">'--eval'</span>,              <span class="hljs-string">'pass a string from the command line as input'</span>]
+  [<span class="hljs-string">'-h'</span>, <span class="hljs-string">'--help'</span>,              <span class="hljs-string">'display this help message'</span>]
+  [<span class="hljs-string">'-i'</span>, <span class="hljs-string">'--interactive'</span>,       <span class="hljs-string">'run an interactive CoffeeScript REPL'</span>]
+  [<span class="hljs-string">'-j'</span>, <span class="hljs-string">'--join [FILE]'</span>,       <span class="hljs-string">'concatenate the source CoffeeScript before compiling'</span>]
+  [<span class="hljs-string">'-m'</span>, <span class="hljs-string">'--map'</span>,               <span class="hljs-string">'generate source map and save as .js.map files'</span>]
+  [<span class="hljs-string">'-M'</span>, <span class="hljs-string">'--inline-map'</span>,        <span class="hljs-string">'generate source map and include it directly in output'</span>]
+  [<span class="hljs-string">'-n'</span>, <span class="hljs-string">'--nodes'</span>,             <span class="hljs-string">'print out the parse tree that the parser produces'</span>]
+  [      <span class="hljs-string">'--nodejs [ARGS]'</span>,     <span class="hljs-string">'pass options directly to the "node" binary'</span>]
+  [      <span class="hljs-string">'--no-header'</span>,         <span class="hljs-string">'suppress the "Generated by" header'</span>]
+  [<span class="hljs-string">'-o'</span>, <span class="hljs-string">'--output [PATH]'</span>,     <span class="hljs-string">'set the output path or path/filename for compiled JavaScript'</span>]
+  [<span class="hljs-string">'-p'</span>, <span class="hljs-string">'--print'</span>,             <span class="hljs-string">'print out the compiled JavaScript'</span>]
   [<span class="hljs-string">'-r'</span>, <span class="hljs-string">'--require [MODULE*]'</span>, <span class="hljs-string">'require the given module before eval or REPL'</span>]
-  [<span class="hljs-string">'-s'</span>, <span class="hljs-string">'--stdio'</span>,           <span class="hljs-string">'listen for and compile scripts over stdio'</span>]
-  [<span class="hljs-string">'-l'</span>, <span class="hljs-string">'--literate'</span>,        <span class="hljs-string">'treat stdio as literate style coffeescript'</span>]
-  [<span class="hljs-string">'-t'</span>, <span class="hljs-string">'--tokens'</span>,          <span class="hljs-string">'print out the tokens that the lexer/rewriter produce'</span>]
-  [<span class="hljs-string">'-v'</span>, <span class="hljs-string">'--version'</span>,         <span class="hljs-string">'display the version number'</span>]
-  [<span class="hljs-string">'-w'</span>, <span class="hljs-string">'--watch'</span>,           <span class="hljs-string">'watch scripts for changes and rerun commands'</span>]
+  [<span class="hljs-string">'-s'</span>, <span class="hljs-string">'--stdio'</span>,             <span class="hljs-string">'listen for and compile scripts over stdio'</span>]
+  [<span class="hljs-string">'-l'</span>, <span class="hljs-string">'--literate'</span>,          <span class="hljs-string">'treat stdio as literate style coffeescript'</span>]
+  [<span class="hljs-string">'-t'</span>, <span class="hljs-string">'--tokens'</span>,            <span class="hljs-string">'print out the tokens that the lexer/rewriter produce'</span>]
+  [<span class="hljs-string">'-v'</span>, <span class="hljs-string">'--version'</span>,           <span class="hljs-string">'display the version number'</span>]
+  [<span class="hljs-string">'-w'</span>, <span class="hljs-string">'--watch'</span>,             <span class="hljs-string">'watch scripts for changes and rerun commands'</span>]
 ]</pre></div></div>
             
         </li>
@@ -238,7 +238,10 @@ sources      = []
 sourceCode   = []
 notSources   = {}
 watchedDirs  = {}
-optionParser = <span class="hljs-literal">null</span></pre></div></div>
+optionParser = <span class="hljs-literal">null</span>
+
+exports.buildCSOptionParser = buildCSOptionParser = <span class="hljs-function">-&gt;</span>
+  <span class="hljs-keyword">new</span> optparse.OptionParser SWITCHES, BANNER</pre></div></div>
             
         </li>
         
@@ -256,7 +259,22 @@ Many flags cause us to divert before compiling anything. Flags passed after
             </div>
             
             <div class="content"><div class='highlight'><pre>exports.run = <span class="hljs-function">-&gt;</span>
-  parseOptions()</pre></div></div>
+  optionParser = buildCSOptionParser()
+  <span class="hljs-keyword">try</span> parseOptions()
+  <span class="hljs-keyword">catch</span> err
+    <span class="hljs-built_in">console</span>.error <span class="hljs-string">"option parsing error: <span class="hljs-subst">#{err.message}</span>"</span>
+    process.exit <span class="hljs-number">1</span>
+
+  <span class="hljs-keyword">if</span> (<span class="hljs-keyword">not</span> opts.doubleDashed) <span class="hljs-keyword">and</span> (opts.arguments[<span class="hljs-number">1</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'--'</span>)
+    printWarn <span class="hljs-string">'''
+      coffee was invoked with '--' as the second positional argument, which is
+      now deprecated. To pass '--' as an argument to a script to run, put an
+      additional '--' before the path to your script.
+
+      '--' will be removed from the argument list.
+    '''</span>
+    printWarn <span class="hljs-string">"The positional arguments were: <span class="hljs-subst">#{JSON.stringify opts.arguments}</span>"</span>
+    opts.arguments = [opts.arguments[<span class="hljs-number">0</span>]].concat opts.arguments[<span class="hljs-number">2.</span>.]</pre></div></div>
             
         </li>
         
@@ -287,7 +305,45 @@ Many flags cause us to divert before compiling anything. Flags passed after
   process.argv = process.argv[<span class="hljs-number">0.</span><span class="hljs-number">.1</span>].concat literals
   process.argv[<span class="hljs-number">0</span>] = <span class="hljs-string">'coffee'</span>
 
-  opts.output = path.resolve opts.output  <span class="hljs-keyword">if</span> opts.output
+  <span class="hljs-keyword">if</span> opts.output
+    outputBasename = path.basename opts.output
+    <span class="hljs-keyword">if</span> <span class="hljs-string">'.'</span> <span class="hljs-keyword">in</span> outputBasename <span class="hljs-keyword">and</span>
+       outputBasename <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [<span class="hljs-string">'.'</span>, <span class="hljs-string">'..'</span>] <span class="hljs-keyword">and</span>
+       <span class="hljs-keyword">not</span> helpers.ends(opts.output, path.sep)</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>An output filename was specified, e.g. <code>/dist/scripts.js</code>.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      opts.outputFilename = outputBasename
+      opts.outputPath = path.resolve path.dirname opts.output
+    <span class="hljs-keyword">else</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-10">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-10">&#182;</a>
+              </div>
+              <p>An output path was specified, e.g. <code>/dist</code>.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      opts.outputFilename = <span class="hljs-literal">null</span>
+      opts.outputPath = path.resolve opts.output
+
   <span class="hljs-keyword">if</span> opts.join
     opts.join = path.resolve opts.join
     <span class="hljs-built_in">console</span>.error <span class="hljs-string">'''
@@ -310,19 +366,19 @@ Many flags cause us to divert before compiling anything. Flags passed after
 <span class="hljs-function">
 <span class="hljs-title">makePrelude</span> = <span class="hljs-params">(requires)</span> -&gt;</span>
   requires.map (<span class="hljs-built_in">module</span>) -&gt;
-    [_, name, <span class="hljs-built_in">module</span>] = match <span class="hljs-keyword">if</span> match = <span class="hljs-built_in">module</span>.match(<span class="hljs-regexp">/^(.*)=(.*)$/</span>)
-    name ||= helpers.baseFileName <span class="hljs-built_in">module</span>, <span class="hljs-literal">yes</span>, useWinPathSep
-    <span class="hljs-string">"<span class="hljs-subst">#{name}</span> = require('<span class="hljs-subst">#{<span class="hljs-built_in">module</span>}</span>')"</span>
+    [full, name, <span class="hljs-built_in">module</span>] = match <span class="hljs-keyword">if</span> match = <span class="hljs-built_in">module</span>.match(<span class="hljs-regexp">/^(.*)=(.*)$/</span>)
+    name <span class="hljs-keyword">or</span>= helpers.baseFileName <span class="hljs-built_in">module</span>, <span class="hljs-literal">yes</span>, useWinPathSep
+    <span class="hljs-string">"global['<span class="hljs-subst">#{name}</span>'] = require('<span class="hljs-subst">#{<span class="hljs-built_in">module</span>}</span>')"</span>
   .join <span class="hljs-string">';'</span></pre></div></div>
             
         </li>
         
         
-        <li id="section-9">
+        <li id="section-11">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-9">&#182;</a>
+                <a class="pilcrow" href="#section-11">&#182;</a>
               </div>
               <p>Compile a path, which could be a script or a directory. If a directory
 is passed, recursively compile all ‘.coffee’, ‘.litcoffee’, and ‘.coffee.md’
@@ -364,7 +420,7 @@ extension source files in it and all subdirectories.</p>
       code = fs.readFileSync source
     <span class="hljs-keyword">catch</span> err
       <span class="hljs-keyword">if</span> err.code <span class="hljs-keyword">is</span> <span class="hljs-string">'ENOENT'</span> <span class="hljs-keyword">then</span> <span class="hljs-keyword">return</span> <span class="hljs-keyword">else</span> <span class="hljs-keyword">throw</span> err
-    compileScript(source, code.toString(), base)
+    compileScript source, code.toString(), base
   <span class="hljs-keyword">else</span>
     notSources[source] = <span class="hljs-literal">yes</span>
 <span class="hljs-function">
@@ -381,53 +437,56 @@ extension source files in it and all subdirectories.</p>
         </li>
         
         
-        <li id="section-10">
+        <li id="section-12">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-10">&#182;</a>
+                <a class="pilcrow" href="#section-12">&#182;</a>
               </div>
               <p>Compile a single source script, containing the given code, according to the
-requested options. If evaluating the script directly sets <code>__filename</code>,
+requested options. If evaluating the script directly, set <code>__filename</code>,
 <code>__dirname</code> and <code>module.filename</code> to be correct relative to the script’s path.</p>
 
             </div>
             
             <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">compileScript</span> = <span class="hljs-params">(file, input, base = <span class="hljs-literal">null</span>)</span> -&gt;</span>
-  o = opts
   options = compileOptions file, base
   <span class="hljs-keyword">try</span>
-    t = task = {file, input, options}
+    task = {file, input, options}
     CoffeeScript.emit <span class="hljs-string">'compile'</span>, task
-    <span class="hljs-keyword">if</span> o.tokens
-      printTokens CoffeeScript.tokens t.input, t.options
-    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> o.nodes
-      printLine CoffeeScript.nodes(t.input, t.options).toString().trim()
-    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> o.run
+    <span class="hljs-keyword">if</span> opts.tokens
+      printTokens CoffeeScript.tokens task.input, task.options
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> opts.nodes
+      printLine CoffeeScript.nodes(task.input, task.options).toString().trim()
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> opts.run
       CoffeeScript.register()
-      CoffeeScript.eval opts.prelude, t.options <span class="hljs-keyword">if</span> opts.prelude
-      CoffeeScript.run t.input, t.options
-    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> o.join <span class="hljs-keyword">and</span> t.file <span class="hljs-keyword">isnt</span> o.join
-      t.input = helpers.invertLiterate t.input <span class="hljs-keyword">if</span> helpers.isLiterate file
-      sourceCode[sources.indexOf(t.file)] = t.input
+      CoffeeScript.eval opts.prelude, task.options <span class="hljs-keyword">if</span> opts.prelude
+      CoffeeScript.run task.input, task.options
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> opts.join <span class="hljs-keyword">and</span> task.file <span class="hljs-keyword">isnt</span> opts.join
+      task.input = helpers.invertLiterate task.input <span class="hljs-keyword">if</span> helpers.isLiterate file
+      sourceCode[sources.indexOf(task.file)] = task.input
       compileJoin()
     <span class="hljs-keyword">else</span>
-      compiled = CoffeeScript.compile t.input, t.options
-      t.output = compiled
-      <span class="hljs-keyword">if</span> o.map
-        t.output = compiled.js
-        t.sourceMap = compiled.v3SourceMap
+      compiled = CoffeeScript.compile task.input, task.options
+      task.output = compiled
+      <span class="hljs-keyword">if</span> opts.map
+        task.output = compiled.js
+        task.sourceMap = compiled.v3SourceMap
 
       CoffeeScript.emit <span class="hljs-string">'success'</span>, task
-      <span class="hljs-keyword">if</span> o.<span class="hljs-built_in">print</span>
-        printLine t.output.trim()
-      <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> o.compile <span class="hljs-keyword">or</span> o.map
-        writeJs base, t.file, t.output, options.jsPath, t.sourceMap
+      <span class="hljs-keyword">if</span> opts.<span class="hljs-built_in">print</span>
+        printLine task.output.trim()
+      <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> opts.compile <span class="hljs-keyword">or</span> opts.map
+        saveTo = <span class="hljs-keyword">if</span> opts.outputFilename <span class="hljs-keyword">and</span> sources.length <span class="hljs-keyword">is</span> <span class="hljs-number">1</span>
+          path.join opts.outputPath, opts.outputFilename
+        <span class="hljs-keyword">else</span>
+          options.jsPath
+        writeJs base, task.file, task.output, saveTo, task.sourceMap
   <span class="hljs-keyword">catch</span> err
     CoffeeScript.emit <span class="hljs-string">'failure'</span>, err, task
     <span class="hljs-keyword">return</span> <span class="hljs-keyword">if</span> CoffeeScript.listeners(<span class="hljs-string">'failure'</span>).length
     message = err?.stack <span class="hljs-keyword">or</span> <span class="hljs-string">"<span class="hljs-subst">#{err}</span>"</span>
-    <span class="hljs-keyword">if</span> o.watch
+    <span class="hljs-keyword">if</span> opts.watch
       printLine message + <span class="hljs-string">'\x07'</span>
     <span class="hljs-keyword">else</span>
       printWarn message
@@ -436,11 +495,11 @@ requested options. If evaluating the script directly sets <code>__filename</code
         </li>
         
         
-        <li id="section-11">
+        <li id="section-13">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-11">&#182;</a>
+                <a class="pilcrow" href="#section-13">&#182;</a>
               </div>
               <p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
 and write them back to <strong>stdout</strong>.</p>
@@ -458,11 +517,11 @@ and write them back to <strong>stdout</strong>.</p>
         </li>
         
         
-        <li id="section-12">
+        <li id="section-14">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-12">&#182;</a>
+                <a class="pilcrow" href="#section-14">&#182;</a>
               </div>
               <p>If all of the source files are done being read, concatenate and compile
 them together.</p>
@@ -480,11 +539,11 @@ them together.</p>
         </li>
         
         
-        <li id="section-13">
+        <li id="section-15">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-13">&#182;</a>
+                <a class="pilcrow" href="#section-15">&#182;</a>
               </div>
               <p>Watch a source CoffeeScript file using <code>fs.watch</code>, recompiling it every
 time the file is updated. May be used in combination with other options,
@@ -540,11 +599,11 @@ such as <code>--print</code>.</p>
         </li>
         
         
-        <li id="section-14">
+        <li id="section-16">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-14">&#182;</a>
+                <a class="pilcrow" href="#section-16">&#182;</a>
               </div>
               <p>Watch a directory of files for new additions.</p>
 
@@ -591,11 +650,11 @@ such as <code>--print</code>.</p>
         </li>
         
         
-        <li id="section-15">
+        <li id="section-17">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-15">&#182;</a>
+                <a class="pilcrow" href="#section-17">&#182;</a>
               </div>
               <p>Remove a file from our source list, and source code cache. Optionally remove
 the compiled JS version as well.</p>
@@ -620,11 +679,11 @@ the compiled JS version as well.</p>
         </li>
         
         
-        <li id="section-16">
+        <li id="section-18">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-16">&#182;</a>
+                <a class="pilcrow" href="#section-18">&#182;</a>
               </div>
               <p>Get the corresponding output JavaScript path for a source file.</p>
 
@@ -633,22 +692,22 @@ the compiled JS version as well.</p>
             <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">outputPath</span> = <span class="hljs-params">(source, base, extension=<span class="hljs-string">".js"</span>)</span> -&gt;</span>
   basename  = helpers.baseFileName source, <span class="hljs-literal">yes</span>, useWinPathSep
   srcDir    = path.dirname source
-  <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> opts.output
-    dir = srcDir
+  dir = <span class="hljs-keyword">unless</span> opts.outputPath
+    srcDir
   <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> source <span class="hljs-keyword">is</span> base
-    dir = opts.output
+    opts.outputPath
   <span class="hljs-keyword">else</span>
-    dir = path.join opts.output, path.relative base, srcDir
+    path.join opts.outputPath, path.relative base, srcDir
   path.join dir, basename + extension</pre></div></div>
             
         </li>
         
         
-        <li id="section-17">
+        <li id="section-19">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-17">&#182;</a>
+                <a class="pilcrow" href="#section-19">&#182;</a>
               </div>
               <p>Recursively mkdir, like <code>mkdir -p</code>.</p>
 
@@ -670,11 +729,11 @@ the compiled JS version as well.</p>
         </li>
         
         
-        <li id="section-18">
+        <li id="section-20">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-18">&#182;</a>
+                <a class="pilcrow" href="#section-20">&#182;</a>
               </div>
               <p>Write out a JavaScript source file with the compiled code. By default, files
 are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
@@ -708,11 +767,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-19">
+        <li id="section-21">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-19">&#182;</a>
+                <a class="pilcrow" href="#section-21">&#182;</a>
               </div>
               <p>Convenience for cleaner setTimeouts.</p>
 
@@ -723,11 +782,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-20">
+        <li id="section-22">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-20">&#182;</a>
+                <a class="pilcrow" href="#section-22">&#182;</a>
               </div>
               <p>When watching scripts, it’s useful to log changes with the timestamp.</p>
 
@@ -739,11 +798,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-21">
+        <li id="section-23">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-21">&#182;</a>
+                <a class="pilcrow" href="#section-23">&#182;</a>
               </div>
               <p>Pretty-print a stream of tokens, sans location data.</p>
 
@@ -759,11 +818,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-22">
+        <li id="section-24">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-22">&#182;</a>
+                <a class="pilcrow" href="#section-24">&#182;</a>
               </div>
               <p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
 <code>process.argv</code> that are specified in <code>SWITCHES</code>.</p>
@@ -771,7 +830,6 @@ same directory as the <code>.js</code> file.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">parseOptions</span> = -&gt;</span>
-  optionParser  = <span class="hljs-keyword">new</span> optparse.OptionParser SWITCHES, BANNER
   o = opts      = optionParser.parse process.argv[<span class="hljs-number">2.</span>.]
   o.compile     <span class="hljs-keyword">or</span>=  !!o.output
   o.run         = <span class="hljs-keyword">not</span> (o.compile <span class="hljs-keyword">or</span> o.<span class="hljs-built_in">print</span> <span class="hljs-keyword">or</span> o.map)
@@ -780,11 +838,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-23">
+        <li id="section-25">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-23">&#182;</a>
+                <a class="pilcrow" href="#section-25">&#182;</a>
               </div>
               <p>The compile-time options to pass to the CoffeeScript compiler.</p>
 
@@ -820,11 +878,11 @@ same directory as the <code>.js</code> file.</p>
         </li>
         
         
-        <li id="section-24">
+        <li id="section-26">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-24">&#182;</a>
+                <a class="pilcrow" href="#section-26">&#182;</a>
               </div>
               <p>Start up a new Node.js instance with the arguments in <code>--nodejs</code> passed to
 the <code>node</code> binary, preserving the other options.</p>
@@ -839,16 +897,19 @@ the <code>node</code> binary, preserving the other options.</p>
     cwd:        process.cwd()
     env:        process.env
     stdio:      [<span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">2</span>]
+  <span class="hljs-keyword">for</span> signal <span class="hljs-keyword">in</span> [<span class="hljs-string">'SIGINT'</span>, <span class="hljs-string">'SIGTERM'</span>]
+    process.<span class="hljs-literal">on</span> signal, <span class="hljs-keyword">do</span> (signal) -&gt;
+      -&gt; p.kill signal
   p.<span class="hljs-literal">on</span> <span class="hljs-string">'exit'</span>, <span class="hljs-function"><span class="hljs-params">(code)</span> -&gt;</span> process.exit code</pre></div></div>
             
         </li>
         
         
-        <li id="section-25">
+        <li id="section-27">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-25">&#182;</a>
+                <a class="pilcrow" href="#section-27">&#182;</a>
               </div>
               <p>Print the <code>--help</code> usage message and exit. Deprecated switches are not
 shown.</p>
@@ -856,16 +917,16 @@ shown.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">usage</span> = -&gt;</span>
-  printLine (<span class="hljs-keyword">new</span> optparse.OptionParser SWITCHES, BANNER).help()</pre></div></div>
+  printLine optionParser.help()</pre></div></div>
             
         </li>
         
         
-        <li id="section-26">
+        <li id="section-28">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-26">&#182;</a>
+                <a class="pilcrow" href="#section-28">&#182;</a>
               </div>
               <p>Print the <code>--version</code> message and exit.</p>
 

docs/v2/annotated-source/grammar.html

@@ -115,17 +115,17 @@
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-1">&#182;</a>
               </div>
-              <p>The CoffeeScript parser is generated by <a href="http://github.com/zaach/jison">Jison</a>
+              <p>The CoffeeScript parser is generated by <a href="https://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>
+It can recognize <a href="https://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>
+<a href="https://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>
+reduces into the <a href="https://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>
@@ -199,7 +199,7 @@ wrapper and just returning the value directly.</p>
                 <a class="pilcrow" href="#section-6">&#182;</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,
+<a href="https://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>
@@ -209,8 +209,8 @@ previous nonterminal.</p>
             <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">o</span> = <span class="hljs-params">(patternString, action, options)</span> -&gt;</span>
   patternString = patternString.replace <span class="hljs-regexp">/\s{2,}/g</span>, <span class="hljs-string">' '</span>
   patternCount = patternString.split(<span class="hljs-string">' '</span>).length
-  <span class="hljs-keyword">return</span> [patternString, <span class="hljs-string">'$$ = $1;'</span>, options] <span class="hljs-keyword">unless</span> action
-  action = <span class="hljs-keyword">if</span> match = unwrap.exec action <span class="hljs-keyword">then</span> match[<span class="hljs-number">1</span>] <span class="hljs-keyword">else</span> <span class="hljs-string">"(<span class="hljs-subst">#{action}</span>())"</span></pre></div></div>
+  <span class="hljs-keyword">if</span> action
+    action = <span class="hljs-keyword">if</span> match = unwrap.exec action <span class="hljs-keyword">then</span> match[<span class="hljs-number">1</span>] <span class="hljs-keyword">else</span> <span class="hljs-string">"(<span class="hljs-subst">#{action}</span>())"</span></pre></div></div>
             
         </li>
         
@@ -221,12 +221,12 @@ previous nonterminal.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-7">&#182;</a>
               </div>
-              <p>All runtime functions we need are defined on “yy”</p>
+              <p>All runtime functions we need are defined on <code>yy</code></p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  action = action.replace <span class="hljs-regexp">/\bnew /g</span>, <span class="hljs-string">'$&amp;yy.'</span>
-  action = action.replace <span class="hljs-regexp">/\b(?:Block\.wrap|extend)\b/g</span>, <span class="hljs-string">'yy.$&amp;'</span></pre></div></div>
+            <div class="content"><div class='highlight'><pre>    action = action.replace <span class="hljs-regexp">/\bnew /g</span>, <span class="hljs-string">'$&amp;yy.'</span>
+    action = action.replace <span class="hljs-regexp">/\b(?:Block\.wrap|extend)\b/g</span>, <span class="hljs-string">'yy.$&amp;'</span></pre></div></div>
             
         </li>
         
@@ -237,22 +237,23 @@ previous nonterminal.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-8">&#182;</a>
               </div>
-              <p>Returns a function which adds location data to the first parameter passed
-in, and returns the parameter.  If the parameter is not a node, it will
-just be passed through unaffected.</p>
+              <p>Returns strings of functions to add to <code>parser.js</code> which add extra data
+that nodes may have, such as comments or location data. Location data
+is added to the first parameter passed in, and the parameter is returned.
+If the parameter is not a node, it will just be passed through unaffected.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-function">  <span class="hljs-title">addLocationDataFn</span> = <span class="hljs-params">(first, last)</span> -&gt;</span>
-    <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> last
-      <span class="hljs-string">"yy.addLocationDataFn(@<span class="hljs-subst">#{first}</span>)"</span>
-    <span class="hljs-keyword">else</span>
-      <span class="hljs-string">"yy.addLocationDataFn(@<span class="hljs-subst">#{first}</span>, @<span class="hljs-subst">#{last}</span>)"</span>
+            <div class="content"><div class='highlight'><pre><span class="hljs-function">    <span class="hljs-title">getAddDataToNodeFunctionString</span> = <span class="hljs-params">(first, last)</span> -&gt;</span>
+      <span class="hljs-string">"yy.addDataToNode(yy, @<span class="hljs-subst">#{first}</span><span class="hljs-subst">#{<span class="hljs-keyword">if</span> last <span class="hljs-keyword">then</span> <span class="hljs-string">", @<span class="hljs-subst">#{last}</span>"</span> <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>}</span>)"</span>
 
-  action = action.replace <span class="hljs-regexp">/LOC\(([0-9]*)\)/g</span>, addLocationDataFn(<span class="hljs-string">'$1'</span>)
-  action = action.replace <span class="hljs-regexp">/LOC\(([0-9]*),\s*([0-9]*)\)/g</span>, addLocationDataFn(<span class="hljs-string">'$1'</span>, <span class="hljs-string">'$2'</span>)
+    action = action.replace <span class="hljs-regexp">/LOC\(([0-9]*)\)/g</span>, getAddDataToNodeFunctionString(<span class="hljs-string">'$1'</span>)
+    action = action.replace <span class="hljs-regexp">/LOC\(([0-9]*),\s*([0-9]*)\)/g</span>, getAddDataToNodeFunctionString(<span class="hljs-string">'$1'</span>, <span class="hljs-string">'$2'</span>)
+    performActionFunctionString = <span class="hljs-string">"$$ = <span class="hljs-subst">#{getAddDataToNodeFunctionString(<span class="hljs-number">1</span>, patternCount)}</span>(<span class="hljs-subst">#{action}</span>);"</span>
+  <span class="hljs-keyword">else</span>
+    performActionFunctionString = <span class="hljs-string">'$$ = $1;'</span>
 
-  [patternString, <span class="hljs-string">"$$ = <span class="hljs-subst">#{addLocationDataFn(<span class="hljs-number">1</span>, patternCount)}</span>(<span class="hljs-subst">#{action}</span>);"</span>, options]</pre></div></div>
+  [patternString, performActionFunctionString, options]</pre></div></div>
             
         </li>
         
@@ -292,7 +293,7 @@ just be passed through unaffected.</p>
 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><span class="hljs-string">"Expression UNLESS Expression"</span>
+<pre><code><span class="hljs-string">'Expression UNLESS Expression'</span>
 </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>
@@ -380,7 +381,6 @@ grammar.</p>
             
             <div class="content"><div class='highlight'><pre>  Statement: [
     o <span class="hljs-string">'Return'</span>
-    o <span class="hljs-string">'Comment'</span>
     o <span class="hljs-string">'STATEMENT'</span>,                              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> StatementLiteral $<span class="hljs-number">1</span>
     o <span class="hljs-string">'Import'</span>
     o <span class="hljs-string">'Export'</span>
@@ -404,7 +404,6 @@ them somewhat circular.</p>
             
             <div class="content"><div class='highlight'><pre>  Expression: [
     o <span class="hljs-string">'Value'</span>
-    o <span class="hljs-string">'Invocation'</span>
     o <span class="hljs-string">'Code'</span>
     o <span class="hljs-string">'Operation'</span>
     o <span class="hljs-string">'Assign'</span>
@@ -446,6 +445,7 @@ token stream.</p>
 
   Identifier: [
     o <span class="hljs-string">'IDENTIFIER'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> IdentifierLiteral $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'CSX_TAG'</span>,                                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> CSXTag $<span class="hljs-number">1</span>
   ]
 
   Property: [
@@ -499,11 +499,11 @@ through and printed to JavaScript.</p>
     o <span class="hljs-string">'AlphaNumeric'</span>
     o <span class="hljs-string">'JS'</span>,                                     <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> PassthroughLiteral $<span class="hljs-number">1</span>
     o <span class="hljs-string">'Regex'</span>
-    o <span class="hljs-string">'UNDEFINED'</span>,                              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> UndefinedLiteral
-    o <span class="hljs-string">'NULL'</span>,                                   <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> NullLiteral
+    o <span class="hljs-string">'UNDEFINED'</span>,                              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> UndefinedLiteral $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'NULL'</span>,                                   <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> NullLiteral $<span class="hljs-number">1</span>
     o <span class="hljs-string">'BOOL'</span>,                                   <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> BooleanLiteral $<span class="hljs-number">1</span>
     o <span class="hljs-string">'INFINITY'</span>,                               <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> InfinityLiteral $<span class="hljs-number">1</span>
-    o <span class="hljs-string">'NAN'</span>,                                    <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> NaNLiteral
+    o <span class="hljs-string">'NAN'</span>,                                    <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> NaNLiteral $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -541,6 +541,7 @@ the ordinary <strong>Assign</strong> is that these allow numbers and strings as
             
             <div class="content"><div class='highlight'><pre>  AssignObj: [
     o <span class="hljs-string">'ObjAssignable'</span>,                          <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'ObjRestValue'</span>
     o <span class="hljs-string">'ObjAssignable : Expression'</span>,             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Assign LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>), $<span class="hljs-number">3</span>, <span class="hljs-string">'object'</span>,
                                                               operatorToken: LOC(<span class="hljs-number">2</span>)(<span class="hljs-keyword">new</span> Literal $<span class="hljs-number">2</span>)
     o <span class="hljs-string">'ObjAssignable :
@@ -551,7 +552,6 @@ the ordinary <strong>Assign</strong> is that these allow numbers and strings as
     o <span class="hljs-string">'SimpleObjAssignable =
        INDENT Expression OUTDENT'</span>,              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Assign LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>), $<span class="hljs-number">4</span>, <span class="hljs-literal">null</span>,
                                                               operatorToken: LOC(<span class="hljs-number">2</span>)(<span class="hljs-keyword">new</span> Literal $<span class="hljs-number">2</span>)
-    o <span class="hljs-string">'Comment'</span>
   ]
 
   SimpleObjAssignable: [
@@ -574,23 +574,36 @@ the ordinary <strong>Assign</strong> is that these allow numbers and strings as
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-22">&#182;</a>
               </div>
-              <p>A return statement from a function body.</p>
+              <p>Object literal spread properties.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  Return: [
-    o <span class="hljs-string">'RETURN Expression'</span>,                      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'RETURN'</span>,                                 <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return
+            <div class="content"><div class='highlight'><pre>  ObjRestValue: [
+    o <span class="hljs-string">'SimpleObjAssignable ...'</span>, <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'... SimpleObjAssignable'</span>, <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat <span class="hljs-keyword">new</span> Value $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'ObjSpreadExpr ...'</span>,       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'... ObjSpreadExpr'</span>,       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat $<span class="hljs-number">2</span>
   ]
 
-  YieldReturn: [
-    o <span class="hljs-string">'YIELD RETURN Expression'</span>,                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> YieldReturn $<span class="hljs-number">3</span>
-    o <span class="hljs-string">'YIELD RETURN'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> YieldReturn
+  ObjSpreadExpr: [
+    o <span class="hljs-string">'ObjSpreadIdentifier'</span>
+    o <span class="hljs-string">'Object'</span>
+    o <span class="hljs-string">'Parenthetical'</span>
+    o <span class="hljs-string">'Super'</span>
+    o <span class="hljs-string">'This'</span>
+    o <span class="hljs-string">'SUPER Arguments'</span>,               <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> SuperCall LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> Super), $<span class="hljs-number">2</span>, <span class="hljs-literal">no</span>, $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'SimpleObjAssignable Arguments'</span>, <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Call (<span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>), $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'ObjSpreadExpr Arguments'</span>,       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Call $<span class="hljs-number">1</span>, $<span class="hljs-number">2</span>
   ]
 
-  AwaitReturn: [
-    o <span class="hljs-string">'AWAIT RETURN Expression'</span>,                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> AwaitReturn $<span class="hljs-number">3</span>
-    o <span class="hljs-string">'AWAIT RETURN'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> AwaitReturn
+  ObjSpreadIdentifier: [
+    o <span class="hljs-string">'SimpleObjAssignable ObjSpreadAccessor'</span>, <span class="hljs-function">-&gt;</span> (<span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>).add $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'ObjSpreadExpr ObjSpreadAccessor'</span>,       <span class="hljs-function">-&gt;</span> (<span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>).add $<span class="hljs-number">2</span>
+  ]
+
+  ObjSpreadAccessor: [
+    o <span class="hljs-string">'. Property'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Access $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'INDEX_START IndexValue INDEX_END'</span>,       <span class="hljs-function">-&gt;</span> $<span class="hljs-number">2</span>
   ]</pre></div></div>
             
         </li>
@@ -602,12 +615,24 @@ the ordinary <strong>Assign</strong> is that these allow numbers and strings as
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-23">&#182;</a>
               </div>
-              <p>A block comment.</p>
+              <p>A return statement from a function body.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  Comment: [
-    o <span class="hljs-string">'HERECOMMENT'</span>,                            <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Comment $<span class="hljs-number">1</span>
+            <div class="content"><div class='highlight'><pre>  Return: [
+    o <span class="hljs-string">'RETURN Expression'</span>,                      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'RETURN INDENT Object OUTDENT'</span>,           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return <span class="hljs-keyword">new</span> Value $<span class="hljs-number">3</span>
+    o <span class="hljs-string">'RETURN'</span>,                                 <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Return
+  ]
+
+  YieldReturn: [
+    o <span class="hljs-string">'YIELD RETURN Expression'</span>,                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> YieldReturn $<span class="hljs-number">3</span>
+    o <span class="hljs-string">'YIELD RETURN'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> YieldReturn
+  ]
+
+  AwaitReturn: [
+    o <span class="hljs-string">'AWAIT RETURN Expression'</span>,                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> AwaitReturn $<span class="hljs-number">3</span>
+    o <span class="hljs-string">'AWAIT RETURN'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> AwaitReturn
   ]</pre></div></div>
             
         </li>
@@ -644,8 +669,8 @@ functions, and <code>=&gt;</code> is for functions bound to the current value of
             </div>
             
             <div class="content"><div class='highlight'><pre>  FuncGlyph: [
-    o <span class="hljs-string">'-&gt;'</span>,                                     <span class="hljs-function">-&gt;</span> <span class="hljs-string">'func'</span>
-    o <span class="hljs-string">'=&gt;'</span>,                                     <span class="hljs-function">-&gt;</span> <span class="hljs-string">'boundfunc'</span>
+    o <span class="hljs-string">'-&gt;'</span>,                                     <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> FuncGlyph $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'=&gt;'</span>,                                     <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> FuncGlyph $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -704,6 +729,7 @@ that hoovers up the remaining arguments.</p>
             <div class="content"><div class='highlight'><pre>  Param: [
     o <span class="hljs-string">'ParamVar'</span>,                               <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Param $<span class="hljs-number">1</span>
     o <span class="hljs-string">'ParamVar ...'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Param $<span class="hljs-number">1</span>, <span class="hljs-literal">null</span>, <span class="hljs-literal">on</span>
+    o <span class="hljs-string">'... ParamVar'</span>,                           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Param $<span class="hljs-number">2</span>, <span class="hljs-literal">null</span>, <span class="hljs-literal">on</span>
     o <span class="hljs-string">'ParamVar = Expression'</span>,                  <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Param $<span class="hljs-number">1</span>, $<span class="hljs-number">3</span>
     o <span class="hljs-string">'...'</span>,                                    <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Expansion
   ]</pre></div></div>
@@ -743,6 +769,7 @@ that hoovers up the remaining arguments.</p>
             
             <div class="content"><div class='highlight'><pre>  Splat: [
     o <span class="hljs-string">'Expression ...'</span>,                         <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'... Expression'</span>,                         <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Splat $<span class="hljs-number">2</span>
   ]</pre></div></div>
             
         </li>
@@ -761,7 +788,7 @@ that hoovers up the remaining arguments.</p>
             <div class="content"><div class='highlight'><pre>  SimpleAssignable: [
     o <span class="hljs-string">'Identifier'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
     o <span class="hljs-string">'Value Accessor'</span>,                         <span class="hljs-function">-&gt;</span> $<span class="hljs-number">1.</span>add $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'Invocation Accessor'</span>,                    <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>, [].concat $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'Code Accessor'</span>,                          <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value($<span class="hljs-number">1</span>).add $<span class="hljs-number">2</span>
     o <span class="hljs-string">'ThisProperty'</span>
   ]</pre></div></div>
             
@@ -803,8 +830,9 @@ as functions, indexed into, named as a class, etc.</p>
     o <span class="hljs-string">'Literal'</span>,                                <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
     o <span class="hljs-string">'Parenthetical'</span>,                          <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
     o <span class="hljs-string">'Range'</span>,                                  <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'Invocation'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
     o <span class="hljs-string">'This'</span>
-    o <span class="hljs-string">'Super'</span>
+    o <span class="hljs-string">'Super'</span>,                                  <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -821,8 +849,8 @@ as functions, indexed into, named as a class, etc.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre>  Super: [
-    o <span class="hljs-string">'SUPER . Property'</span>,                       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Super LOC(<span class="hljs-number">3</span>) <span class="hljs-keyword">new</span> Access $<span class="hljs-number">3</span>
-    o <span class="hljs-string">'SUPER INDEX_START Expression INDEX_END'</span>, <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Super LOC(<span class="hljs-number">3</span>) <span class="hljs-keyword">new</span> Index $<span class="hljs-number">3</span>
+    o <span class="hljs-string">'SUPER . Property'</span>,                       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Super LOC(<span class="hljs-number">3</span>)(<span class="hljs-keyword">new</span> Access $<span class="hljs-number">3</span>), [], <span class="hljs-literal">no</span>, $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'SUPER INDEX_START Expression INDEX_END'</span>, <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Super LOC(<span class="hljs-number">3</span>)(<span class="hljs-keyword">new</span> Index $<span class="hljs-number">3</span>),  [], <span class="hljs-literal">no</span>, $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -863,7 +891,7 @@ or by array index or slice.</p>
             
             <div class="content"><div class='highlight'><pre>  Index: [
     o <span class="hljs-string">'INDEX_START IndexValue INDEX_END'</span>,       <span class="hljs-function">-&gt;</span> $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'INDEX_SOAK  Index'</span>,                      <span class="hljs-function">-&gt;</span> extend $<span class="hljs-number">2</span>, soak : <span class="hljs-literal">yes</span>
+    o <span class="hljs-string">'INDEX_SOAK  Index'</span>,                      <span class="hljs-function">-&gt;</span> extend $<span class="hljs-number">2</span>, soak: <span class="hljs-literal">yes</span>
   ]
 
   IndexValue: [
@@ -1015,8 +1043,7 @@ and optional references to the superclass.</p>
             <div class="content"><div class='highlight'><pre>  Invocation: [
     o <span class="hljs-string">'Value OptFuncExist String'</span>,              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> TaggedTemplateCall $<span class="hljs-number">1</span>, $<span class="hljs-number">3</span>, $<span class="hljs-number">2</span>
     o <span class="hljs-string">'Value OptFuncExist Arguments'</span>,           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Call $<span class="hljs-number">1</span>, $<span class="hljs-number">3</span>, $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'Invocation OptFuncExist Arguments'</span>,      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Call $<span class="hljs-number">1</span>, $<span class="hljs-number">3</span>, $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'SUPER OptFuncExist Arguments'</span>,           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> SuperCall LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> Super), $<span class="hljs-number">3</span>, $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'SUPER OptFuncExist Arguments'</span>,           <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> SuperCall LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> Super), $<span class="hljs-number">3</span>, $<span class="hljs-number">2</span>, $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -1069,8 +1096,8 @@ and optional references to the superclass.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre>  This: [
-    o <span class="hljs-string">'THIS'</span>,                                   <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> ThisLiteral
-    o <span class="hljs-string">'@'</span>,                                      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> ThisLiteral
+    o <span class="hljs-string">'THIS'</span>,                                   <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> ThisLiteral $<span class="hljs-number">1</span>
+    o <span class="hljs-string">'@'</span>,                                      <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> ThisLiteral $<span class="hljs-number">1</span>
   ]</pre></div></div>
             
         </li>
@@ -1087,7 +1114,7 @@ and optional references to the superclass.</p>
             </div>
             
             <div class="content"><div class='highlight'><pre>  ThisProperty: [
-    o <span class="hljs-string">'@ Property'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> ThisLiteral), [LOC(<span class="hljs-number">2</span>)(<span class="hljs-keyword">new</span> Access($<span class="hljs-number">2</span>))], <span class="hljs-string">'this'</span>
+    o <span class="hljs-string">'@ Property'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Value LOC(<span class="hljs-number">1</span>)(<span class="hljs-keyword">new</span> ThisLiteral $<span class="hljs-number">1</span>), [LOC(<span class="hljs-number">2</span>)(<span class="hljs-keyword">new</span> Access($<span class="hljs-number">2</span>))], <span class="hljs-string">'this'</span>
   ]</pre></div></div>
             
         </li>
@@ -1279,6 +1306,7 @@ having the newlines wouldn’t make sense.</p>
             
             <div class="content"><div class='highlight'><pre>  Throw: [
     o <span class="hljs-string">'THROW Expression'</span>,                       <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Throw $<span class="hljs-number">2</span>
+    o <span class="hljs-string">'THROW INDENT Object OUTDENT'</span>,            <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Throw <span class="hljs-keyword">new</span> Value $<span class="hljs-number">3</span>
   ]</pre></div></div>
             
         </li>
@@ -1590,7 +1618,6 @@ rules are necessary.</p>
        INDENT Expression OUTDENT'</span>,              <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Assign $<span class="hljs-number">1</span>, $<span class="hljs-number">4</span>, $<span class="hljs-number">2</span>
     o <span class="hljs-string">'SimpleAssignable COMPOUND_ASSIGN TERMINATOR
        Expression'</span>,                             <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Assign $<span class="hljs-number">1</span>, $<span class="hljs-number">4</span>, $<span class="hljs-number">2</span>
-    o <span class="hljs-string">'SimpleAssignable EXTENDS Expression'</span>,    <span class="hljs-function">-&gt;</span> <span class="hljs-keyword">new</span> Extends $<span class="hljs-number">1</span>, $<span class="hljs-number">3</span>
   ]</pre></div></div>
             
         </li>

docs/v2/annotated-source/helpers.html

@@ -121,9 +121,6 @@ arrays, count characters, that sort of thing.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>
-md = <span class="hljs-built_in">require</span>(<span class="hljs-string">'markdown-it'</span>)()</pre></div></div>
-            
         </li>
         
         
@@ -331,16 +328,38 @@ looking for a particular method in an options hash.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-13">&#182;</a>
               </div>
-              <p>Simple function for extracting code from Literate CoffeeScript by stripping
+              <p>Helper function for extracting code from Literate CoffeeScript by stripping
 out all non-code blocks, producing a string of CoffeeScript code that can
-be compiled “normally.” Uses <a href="https://markdown-it.github.io/">MarkdownIt</a>
-to tell the difference between Markdown and code blocks.</p>
+be compiled “normally.”</p>
 
             </div>
             
             <div class="content"><div class='highlight'><pre>exports.invertLiterate = <span class="hljs-function"><span class="hljs-params">(code)</span> -&gt;</span>
   out = []
-  md.renderer.rules =</pre></div></div>
+  blankLine = <span class="hljs-regexp">/^\s*$/</span>
+  indented = <span class="hljs-regexp">/^[\t ]/</span>
+  listItemStart = <span class="hljs-regexp">/// ^
+    (?:\t?|\ {0,3})   <span class="hljs-comment"># Up to one tab, or up to three spaces, or neither;</span>
+    (?:
+      [\*\-\+] |      <span class="hljs-comment"># followed by `*`, `-` or `+`;</span>
+      [0-9]{1,9}\.    <span class="hljs-comment"># or by an integer up to 9 digits long, followed by a period;</span>
+    )
+    [\ \t]            <span class="hljs-comment"># followed by a space or a tab.</span>
+  ///</span>
+  insideComment = <span class="hljs-literal">no</span>
+  <span class="hljs-keyword">for</span> line <span class="hljs-keyword">in</span> code.split(<span class="hljs-string">'\n'</span>)
+    <span class="hljs-keyword">if</span> blankLine.test(line)
+      insideComment = <span class="hljs-literal">no</span>
+      out.push line
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> insideComment <span class="hljs-keyword">or</span> listItemStart.test(line)
+      insideComment = <span class="hljs-literal">yes</span>
+      out.push <span class="hljs-string">"# <span class="hljs-subst">#{line}</span>"</span>
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> insideComment <span class="hljs-keyword">and</span> indented.test(line)
+      out.push line
+    <span class="hljs-keyword">else</span>
+      insideComment = <span class="hljs-literal">yes</span>
+      out.push <span class="hljs-string">"# <span class="hljs-subst">#{line}</span>"</span>
+  out.join <span class="hljs-string">'\n'</span></pre></div></div>
             
         </li>
         
@@ -351,27 +370,6 @@ to tell the difference between Markdown and code blocks.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-14">&#182;</a>
               </div>
-              <p>Delete all other rules, since all we want are the code blocks.</p>
-
-            </div>
-            
-            <div class="content"><div class='highlight'><pre>    code_block: <span class="hljs-function"><span class="hljs-params">(tokens, idx, options, env, slf)</span> -&gt;</span>
-      startLine = tokens[idx].map[<span class="hljs-number">0</span>]
-      lines = tokens[idx].content.split <span class="hljs-string">'\n'</span>
-      <span class="hljs-keyword">for</span> line, i <span class="hljs-keyword">in</span> lines
-        out[startLine + i] = line
-  md.render code
-  out.join <span class="hljs-string">'\n'</span></pre></div></div>
-            
-        </li>
-        
-        
-        <li id="section-15">
-            <div class="annotation">
-              
-              <div class="pilwrap ">
-                <a class="pilcrow" href="#section-15">&#182;</a>
-              </div>
               <p>Merge two jison-style location data objects together.
 If <code>last</code> is not provided, this will simply return <code>first</code>.</p>
 
@@ -384,7 +382,28 @@ If <code>last</code> is not provided, this will simply return <code>first</code>
     first_line: first.first_line
     first_column: first.first_column
     last_line: last.last_line
-    last_column: last.last_column</pre></div></div>
+    last_column: last.last_column
+<span class="hljs-function">
+<span class="hljs-title">buildLocationHash</span> = <span class="hljs-params">(loc)</span> -&gt;</span>
+  <span class="hljs-string">"<span class="hljs-subst">#{loc.first_line}</span>x<span class="hljs-subst">#{loc.first_column}</span>-<span class="hljs-subst">#{loc.last_line}</span>x<span class="hljs-subst">#{loc.last_column}</span>"</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-15">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-15">&#182;</a>
+              </div>
+              <p>This returns a function which takes an object as a parameter, and if that
+object is an AST node, updates that object’s locationData.
+The object is returned either way.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>exports.addDataToNode = <span class="hljs-function"><span class="hljs-params">(parserState, first, last)</span> -&gt;</span>
+  (obj) -&gt;</pre></div></div>
             
         </li>
         
@@ -395,18 +414,12 @@ If <code>last</code> is not provided, this will simply return <code>first</code>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-16">&#182;</a>
               </div>
-              <p>This returns a function which takes an object as a parameter, and if that
-object is an AST node, updates that object’s locationData.
-The object is returned either way.</p>
+              <p>Add location data</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>exports.addLocationDataFn = <span class="hljs-function"><span class="hljs-params">(first, last)</span> -&gt;</span>
-  (obj) -&gt;
-    <span class="hljs-keyword">if</span> ((<span class="hljs-keyword">typeof</span> obj) <span class="hljs-keyword">is</span> <span class="hljs-string">'object'</span>) <span class="hljs-keyword">and</span> (!!obj[<span class="hljs-string">'updateLocationDataIfMissing'</span>])
-      obj.updateLocationDataIfMissing buildLocationData(first, last)
-
-    <span class="hljs-keyword">return</span> obj</pre></div></div>
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">if</span> obj?.updateLocationDataIfMissing? <span class="hljs-keyword">and</span> first?
+      obj.updateLocationDataIfMissing buildLocationData(first, last)</pre></div></div>
             
         </li>
         
@@ -417,6 +430,40 @@ The object is returned either way.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-17">&#182;</a>
               </div>
+              <p>Add comments data</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">unless</span> parserState.tokenComments
+      parserState.tokenComments = {}
+      <span class="hljs-keyword">for</span> token <span class="hljs-keyword">in</span> parserState.parser.tokens <span class="hljs-keyword">when</span> token.comments
+        tokenHash = buildLocationHash token[<span class="hljs-number">2</span>]
+        <span class="hljs-keyword">unless</span> parserState.tokenComments[tokenHash]?
+          parserState.tokenComments[tokenHash] = token.comments
+        <span class="hljs-keyword">else</span>
+          parserState.tokenComments[tokenHash].push token.comments...
+
+    <span class="hljs-keyword">if</span> obj.locationData?
+      objHash = buildLocationHash obj.locationData
+      <span class="hljs-keyword">if</span> parserState.tokenComments[objHash]?
+        attachCommentsToNode parserState.tokenComments[objHash], obj
+
+    obj
+
+exports.attachCommentsToNode = attachCommentsToNode = <span class="hljs-function"><span class="hljs-params">(comments, node)</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> comments? <span class="hljs-keyword">or</span> comments.length <span class="hljs-keyword">is</span> <span class="hljs-number">0</span>
+  node.comments ?= []
+  node.comments.push comments...</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-18">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-18">&#182;</a>
+              </div>
               <p>Convert jison location data to a string.
 <code>obj</code> can be a token, or a locationData.</p>
 
@@ -435,11 +482,11 @@ The object is returned either way.</p>
         </li>
         
         
-        <li id="section-18">
+        <li id="section-19">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-18">&#182;</a>
+                <a class="pilcrow" href="#section-19">&#182;</a>
               </div>
               <p>A <code>.coffee.md</code> compatible version of <code>basename</code>, that returns the file sans-extension.</p>
 
@@ -458,11 +505,11 @@ The object is returned either way.</p>
         </li>
         
         
-        <li id="section-19">
+        <li id="section-20">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-19">&#182;</a>
+                <a class="pilcrow" href="#section-20">&#182;</a>
               </div>
               <p>Determine if a filename represents a CoffeeScript file.</p>
 
@@ -473,11 +520,11 @@ The object is returned either way.</p>
         </li>
         
         
-        <li id="section-20">
+        <li id="section-21">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-20">&#182;</a>
+                <a class="pilcrow" href="#section-21">&#182;</a>
               </div>
               <p>Determine if a filename represents a Literate CoffeeScript file.</p>
 
@@ -488,11 +535,11 @@ The object is returned either way.</p>
         </li>
         
         
-        <li id="section-21">
+        <li id="section-22">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-21">&#182;</a>
+                <a class="pilcrow" href="#section-22">&#182;</a>
               </div>
               <p>Throws a SyntaxError from a given location.
 The error’s <code>toString</code> will return an error message following the “standard”
@@ -509,11 +556,11 @@ marker showing where the error is.</p>
         </li>
         
         
-        <li id="section-22">
+        <li id="section-23">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-22">&#182;</a>
+                <a class="pilcrow" href="#section-23">&#182;</a>
               </div>
               <p>Instead of showing the compiler’s stacktrace, show our custom error message
 (this is useful when the error bubbles up in Node.js applications that
@@ -528,11 +575,11 @@ compile CoffeeScript for example).</p>
         </li>
         
         
-        <li id="section-23">
+        <li id="section-24">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-23">&#182;</a>
+                <a class="pilcrow" href="#section-24">&#182;</a>
               </div>
               <p>Update a compiler SyntaxError with source code information if it didn’t have
 it already.</p>
@@ -544,11 +591,11 @@ it already.</p>
         </li>
         
         
-        <li id="section-24">
+        <li id="section-25">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-24">&#182;</a>
+                <a class="pilcrow" href="#section-25">&#182;</a>
               </div>
               <p>Avoid screwing up the <code>stack</code> property of other errors (i.e. possible bugs).</p>
 
@@ -574,11 +621,11 @@ it already.</p>
         </li>
         
         
-        <li id="section-25">
+        <li id="section-26">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-25">&#182;</a>
+                <a class="pilcrow" href="#section-26">&#182;</a>
               </div>
               <p>Show only the first line on multi-line errors.</p>
 
@@ -590,11 +637,11 @@ it already.</p>
         </li>
         
         
-        <li id="section-26">
+        <li id="section-27">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-26">&#182;</a>
+                <a class="pilcrow" href="#section-27">&#182;</a>
               </div>
               <p>Check to see if we’re running on a color-enabled TTY.</p>
 

docs/v2/annotated-source/index.html

@@ -115,11 +115,251 @@
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-1">&#182;</a>
               </div>
-              <p>Loader for CoffeeScript as a Node.js library.</p>
+              <p>Node.js Implementation</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>exports[key] = val <span class="hljs-keyword">for</span> key, val <span class="hljs-keyword">of</span> <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span></pre></div></div>
+            <div class="content"><div class='highlight'><pre>CoffeeScript  = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span>
+fs            = <span class="hljs-built_in">require</span> <span class="hljs-string">'fs'</span>
+vm            = <span class="hljs-built_in">require</span> <span class="hljs-string">'vm'</span>
+path          = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
+
+helpers       = CoffeeScript.helpers
+compile       = CoffeeScript.compile</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-2">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-2">&#182;</a>
+              </div>
+              <p>Compile and execute a string of CoffeeScript (on the server), correctly
+setting <code>__filename</code>, <code>__dirname</code>, and relative <code>require()</code>.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>CoffeeScript.run = <span class="hljs-function"><span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  mainModule = <span class="hljs-built_in">require</span>.main</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-3">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-3">&#182;</a>
+              </div>
+              <p>Set the filename.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  mainModule.filename = process.argv[<span class="hljs-number">1</span>] =
+    <span class="hljs-keyword">if</span> options.filename <span class="hljs-keyword">then</span> fs.realpathSync(options.filename) <span class="hljs-keyword">else</span> <span class="hljs-string">'&lt;anonymous&gt;'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-4">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-4">&#182;</a>
+              </div>
+              <p>Clear the module cache.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  mainModule.moduleCache <span class="hljs-keyword">and</span>= {}</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-5">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-5">&#182;</a>
+              </div>
+              <p>Assign paths for node_modules loading</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  dir = <span class="hljs-keyword">if</span> options.filename?
+    path.dirname fs.realpathSync options.filename
+  <span class="hljs-keyword">else</span>
+    fs.realpathSync <span class="hljs-string">'.'</span>
+  mainModule.paths = <span class="hljs-built_in">require</span>(<span class="hljs-string">'module'</span>)._nodeModulePaths dir</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-6">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-6">&#182;</a>
+              </div>
+              <p>Compile.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  <span class="hljs-keyword">if</span> <span class="hljs-keyword">not</span> helpers.isCoffee(mainModule.filename) <span class="hljs-keyword">or</span> <span class="hljs-built_in">require</span>.extensions
+    answer = compile code, options
+    code = answer.js ? answer
+
+  mainModule._compile code, mainModule.filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-7">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-7">&#182;</a>
+              </div>
+              <p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
+The CoffeeScript REPL uses this to run the input.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>CoffeeScript.eval = <span class="hljs-function"><span class="hljs-params">(code, options = {})</span> -&gt;</span>
+  <span class="hljs-keyword">return</span> <span class="hljs-keyword">unless</span> code = code.trim()
+  createContext = vm.Script.createContext ? vm.createContext
+
+  isContext = vm.isContext ? (ctx) -&gt;
+    options.sandbox <span class="hljs-keyword">instanceof</span> createContext().constructor
+
+  <span class="hljs-keyword">if</span> createContext
+    <span class="hljs-keyword">if</span> options.sandbox?
+      <span class="hljs-keyword">if</span> isContext options.sandbox
+        sandbox = options.sandbox
+      <span class="hljs-keyword">else</span>
+        sandbox = createContext()
+        sandbox[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options.sandbox
+      sandbox.<span class="hljs-built_in">global</span> = sandbox.root = sandbox.GLOBAL = sandbox
+    <span class="hljs-keyword">else</span>
+      sandbox = <span class="hljs-built_in">global</span>
+    sandbox.__filename = options.filename || <span class="hljs-string">'eval'</span>
+    sandbox.__dirname  = path.dirname sandbox.__filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-8">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-8">&#182;</a>
+              </div>
+              <p>define module/require only if they chose not to specify their own</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">unless</span> sandbox <span class="hljs-keyword">isnt</span> <span class="hljs-built_in">global</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">module</span> <span class="hljs-keyword">or</span> sandbox.<span class="hljs-built_in">require</span>
+      Module = <span class="hljs-built_in">require</span> <span class="hljs-string">'module'</span>
+      sandbox.<span class="hljs-built_in">module</span>  = _module  = <span class="hljs-keyword">new</span> Module(options.modulename || <span class="hljs-string">'eval'</span>)
+      sandbox.<span class="hljs-built_in">require</span> = _require = <span class="hljs-function"><span class="hljs-params">(path)</span> -&gt;</span>  Module._load path, _module, <span class="hljs-literal">true</span>
+      _module.filename = sandbox.__filename
+      <span class="hljs-keyword">for</span> r <span class="hljs-keyword">in</span> Object.getOwnPropertyNames <span class="hljs-built_in">require</span> <span class="hljs-keyword">when</span> r <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [<span class="hljs-string">'paths'</span>, <span class="hljs-string">'arguments'</span>, <span class="hljs-string">'caller'</span>]
+        _require[r] = <span class="hljs-built_in">require</span>[r]</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-9">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-9">&#182;</a>
+              </div>
+              <p>use the same hack node currently uses for their own REPL</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      _require.paths = _module.paths = Module._nodeModulePaths process.cwd()
+      _require.resolve = <span class="hljs-function"><span class="hljs-params">(request)</span> -&gt;</span> Module._resolveFilename request, _module
+  o = {}
+  o[k] = v <span class="hljs-keyword">for</span> own k, v <span class="hljs-keyword">of</span> options
+  o.bare = <span class="hljs-literal">on</span> <span class="hljs-comment"># ensure return value</span>
+  js = compile code, o
+  <span class="hljs-keyword">if</span> sandbox <span class="hljs-keyword">is</span> <span class="hljs-built_in">global</span>
+    vm.runInThisContext js
+  <span class="hljs-keyword">else</span>
+    vm.runInContext js, sandbox
+
+CoffeeScript.register = <span class="hljs-function">-&gt;</span> <span class="hljs-built_in">require</span> <span class="hljs-string">'./register'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-10">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-10">&#182;</a>
+              </div>
+              <p>Throw error with deprecation warning when depending upon implicit <code>require.extensions</code> registration</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> <span class="hljs-built_in">require</span>.extensions
+  <span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> CoffeeScript.FILE_EXTENSIONS <span class="hljs-keyword">then</span> <span class="hljs-keyword">do</span> (ext) -&gt;
+    <span class="hljs-built_in">require</span>.extensions[ext] ?= <span class="hljs-function">-&gt;</span>
+      <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"""
+      Use CoffeeScript.register() or require the coffeescript/register module to require <span class="hljs-subst">#{ext}</span> files.
+      """</span>
+
+CoffeeScript._compileFile = <span class="hljs-function"><span class="hljs-params">(filename, sourceMap = <span class="hljs-literal">no</span>, inlineMap = <span class="hljs-literal">no</span>)</span> -&gt;</span>
+  raw = fs.readFileSync filename, <span class="hljs-string">'utf8'</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </div>
+              <p>Strip the Unicode byte order mark, if this file begins with one.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  stripped = <span class="hljs-keyword">if</span> raw.charCodeAt(<span class="hljs-number">0</span>) <span class="hljs-keyword">is</span> <span class="hljs-number">0xFEFF</span> <span class="hljs-keyword">then</span> raw.substring <span class="hljs-number">1</span> <span class="hljs-keyword">else</span> raw
+
+  <span class="hljs-keyword">try</span>
+    answer = compile stripped, {
+      filename, sourceMap, inlineMap
+      sourceFiles: [filename]
+      literate: helpers.isLiterate filename
+    }
+  <span class="hljs-keyword">catch</span> err</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-12">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-12">&#182;</a>
+              </div>
+              <p>As the filename and code of a dynamically loaded file will be different
+from the original file compiled with CoffeeScript.run, add that
+information to error so it can be pretty-printed later.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">throw</span> helpers.updateSyntaxError err, stripped, filename
+
+  answer
+
+<span class="hljs-built_in">module</span>.exports = CoffeeScript</pre></div></div>
             
         </li>
         

docs/v2/annotated-source/optparse.html

@@ -135,6 +135,8 @@ Use it like so:</p>
 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>
+<p>The <code>coffee</code> command uses an instance of <strong>OptionParser</strong> to parse its
+command-line arguments in <code>src/command.coffee</code>.</p>
 
             </div>
             
@@ -155,8 +157,8 @@ option) list, and all subsequent arguments are left unparsed.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  constructor: <span class="hljs-function"><span class="hljs-params">(rules, @banner)</span> -&gt;</span>
-    @rules = buildRules rules</pre></div></div>
+            <div class="content"><div class='highlight'><pre>  constructor: <span class="hljs-function"><span class="hljs-params">(ruleDeclarations, @banner)</span> -&gt;</span>
+    @rules = buildRules ruleDeclarations</pre></div></div>
             
         </li>
         
@@ -176,20 +178,7 @@ you’re responsible for interpreting the options object.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  parse: <span class="hljs-function"><span class="hljs-params">(args)</span> -&gt;</span>
-    options = arguments: []
-    skippingArgument = <span class="hljs-literal">no</span>
-    originalArgs = args
-    args = normalizeArguments args
-    <span class="hljs-keyword">for</span> arg, i <span class="hljs-keyword">in</span> args
-      <span class="hljs-keyword">if</span> skippingArgument
-        skippingArgument = <span class="hljs-literal">no</span>
-        <span class="hljs-keyword">continue</span>
-      <span class="hljs-keyword">if</span> arg <span class="hljs-keyword">is</span> <span class="hljs-string">'--'</span>
-        pos = originalArgs.indexOf <span class="hljs-string">'--'</span>
-        options.arguments = options.arguments.concat originalArgs[(pos + <span class="hljs-number">1</span>)..]
-        <span class="hljs-keyword">break</span>
-      isOption = !!(arg.match(LONG_FLAG) <span class="hljs-keyword">or</span> arg.match(SHORT_FLAG))</pre></div></div>
+            <div class="content"><div class='highlight'><pre>  parse: <span class="hljs-function"><span class="hljs-params">(args)</span> -&gt;</span></pre></div></div>
             
         </li>
         
@@ -200,27 +189,18 @@ you’re responsible for interpreting the options object.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-5">&#182;</a>
               </div>
-              <p>the CS option parser is a little odd; options after the first
-non-option argument are treated as non-option arguments themselves</p>
+              <p>The CoffeeScript option parser is a little odd; options after the first
+non-option argument are treated as non-option arguments themselves.
+Optional arguments are normalized by expanding merged flags into multiple
+flags. This allows you to have <code>-wl</code> be the same as <code>--watch --lint</code>.
+Note that executable scripts with a shebang (<code>#!</code>) line should use the
+line <code>#!/usr/bin/env coffee</code>, or <code>#!/absolute/path/to/coffee</code>, without a
+<code>--</code> argument after, because that will fail on Linux (see #3946).</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>      seenNonOptionArg = options.arguments.length &gt; <span class="hljs-number">0</span>
-      <span class="hljs-keyword">unless</span> seenNonOptionArg
-        matchedRule = <span class="hljs-literal">no</span>
-        <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> @rules
-          <span class="hljs-keyword">if</span> rule.shortFlag <span class="hljs-keyword">is</span> arg <span class="hljs-keyword">or</span> rule.longFlag <span class="hljs-keyword">is</span> arg
-            value = <span class="hljs-literal">true</span>
-            <span class="hljs-keyword">if</span> rule.hasArgument
-              skippingArgument = <span class="hljs-literal">yes</span>
-              value = args[i + <span class="hljs-number">1</span>]
-            options[rule.name] = <span class="hljs-keyword">if</span> rule.isList <span class="hljs-keyword">then</span> (options[rule.name] <span class="hljs-keyword">or</span> []).concat value <span class="hljs-keyword">else</span> value
-            matchedRule = <span class="hljs-literal">yes</span>
-            <span class="hljs-keyword">break</span>
-        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"unrecognized option: <span class="hljs-subst">#{arg}</span>"</span> <span class="hljs-keyword">if</span> isOption <span class="hljs-keyword">and</span> <span class="hljs-keyword">not</span> matchedRule
-      <span class="hljs-keyword">if</span> seenNonOptionArg <span class="hljs-keyword">or</span> <span class="hljs-keyword">not</span> isOption
-        options.arguments.push arg
-    options</pre></div></div>
+            <div class="content"><div class='highlight'><pre>    {rules, positional} = normalizeArguments args, @rules.flagDict
+    options = {}</pre></div></div>
             
         </li>
         
@@ -231,20 +211,27 @@ non-option argument are treated as non-option arguments themselves</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-6">&#182;</a>
               </div>
-              <p>Return the help text for this <strong>OptionParser</strong>, listing and describing all
-of the valid options, for <code>--help</code> and such.</p>
+              <p>The <code>argument</code> field is added to the rule instance non-destructively by
+<code>normalizeArguments</code>.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>  help: <span class="hljs-function">-&gt;</span>
-    lines = []
-    lines.unshift <span class="hljs-string">"<span class="hljs-subst">#{@banner}</span>\n"</span> <span class="hljs-keyword">if</span> @banner
-    <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> @rules
-      spaces  = <span class="hljs-number">15</span> - rule.longFlag.length
-      spaces  = <span class="hljs-keyword">if</span> spaces &gt; <span class="hljs-number">0</span> <span class="hljs-keyword">then</span> repeat <span class="hljs-string">' '</span>, spaces <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
-      letPart = <span class="hljs-keyword">if</span> rule.shortFlag <span class="hljs-keyword">then</span> rule.shortFlag + <span class="hljs-string">', '</span> <span class="hljs-keyword">else</span> <span class="hljs-string">'    '</span>
-      lines.push <span class="hljs-string">'  '</span> + letPart + rule.longFlag + spaces + rule.description
-    <span class="hljs-string">"\n<span class="hljs-subst">#{ lines.join(<span class="hljs-string">'\n'</span>) }</span>\n"</span></pre></div></div>
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">for</span> {hasArgument, argument, isList, name} <span class="hljs-keyword">in</span> rules
+      <span class="hljs-keyword">if</span> hasArgument
+        <span class="hljs-keyword">if</span> isList
+          options[name] ?= []
+          options[name].push argument
+        <span class="hljs-keyword">else</span>
+          options[name] = argument
+      <span class="hljs-keyword">else</span>
+        options[name] = <span class="hljs-literal">true</span>
+
+    <span class="hljs-keyword">if</span> positional[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'--'</span>
+      options.doubleDashed = <span class="hljs-literal">yes</span>
+      positional = positional[<span class="hljs-number">1.</span>.]
+
+    options.arguments = positional
+    options</pre></div></div>
             
         </li>
         
@@ -255,10 +242,21 @@ of the valid options, for <code>--help</code> and such.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-7">&#182;</a>
               </div>
-              <h2 id="helpers">Helpers</h2>
+              <p>Return the help text for this <strong>OptionParser</strong>, listing and describing all
+of the valid options, for <code>--help</code> and such.</p>
 
             </div>
             
+            <div class="content"><div class='highlight'><pre>  help: <span class="hljs-function">-&gt;</span>
+    lines = []
+    lines.unshift <span class="hljs-string">"<span class="hljs-subst">#{@banner}</span>\n"</span> <span class="hljs-keyword">if</span> @banner
+    <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> @rules.ruleList
+      spaces  = <span class="hljs-number">15</span> - rule.longFlag.length
+      spaces  = <span class="hljs-keyword">if</span> spaces &gt; <span class="hljs-number">0</span> <span class="hljs-keyword">then</span> repeat <span class="hljs-string">' '</span>, spaces <span class="hljs-keyword">else</span> <span class="hljs-string">''</span>
+      letPart = <span class="hljs-keyword">if</span> rule.shortFlag <span class="hljs-keyword">then</span> rule.shortFlag + <span class="hljs-string">', '</span> <span class="hljs-keyword">else</span> <span class="hljs-string">'    '</span>
+      lines.push <span class="hljs-string">'  '</span> + letPart + rule.longFlag + spaces + rule.description
+    <span class="hljs-string">"\n<span class="hljs-subst">#{ lines.join(<span class="hljs-string">'\n'</span>) }</span>\n"</span></pre></div></div>
+            
         </li>
         
         
@@ -268,7 +266,8 @@ of the valid options, for <code>--help</code> and such.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-8">&#182;</a>
               </div>
-              
+              <h2 id="helpers">Helpers</h2>
+
             </div>
             
         </li>
@@ -280,15 +279,9 @@ of the valid options, for <code>--help</code> and such.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-9">&#182;</a>
               </div>
-              <p>Regex matchers for option flags.</p>
-
+              
             </div>
             
-            <div class="content"><div class='highlight'><pre>LONG_FLAG  = <span class="hljs-regexp">/^(--\w[\w\-]*)/</span>
-SHORT_FLAG = <span class="hljs-regexp">/^(-\w)$/</span>
-MULTI_FLAG = <span class="hljs-regexp">/^-(\w{2,})/</span>
-OPTIONAL   = <span class="hljs-regexp">/\[(\w+(\*?))\]/</span></pre></div></div>
-            
         </li>
         
         
@@ -298,15 +291,13 @@ OPTIONAL   = <span class="hljs-regexp">/\[(\w+(\*?))\]/</span></pre></div></div>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-10">&#182;</a>
               </div>
-              <p>Build and return the list of option rules. If the optional <em>short-flag</em> is
-unspecified, leave it out by padding with <code>null</code>.</p>
+              <p>Regex matchers for option flags on the command line and their rules.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">buildRules</span> = <span class="hljs-params">(rules)</span> -&gt;</span>
-  <span class="hljs-keyword">for</span> tuple <span class="hljs-keyword">in</span> rules
-    tuple.unshift <span class="hljs-literal">null</span> <span class="hljs-keyword">if</span> tuple.length &lt; <span class="hljs-number">3</span>
-    buildRule tuple...</pre></div></div>
+            <div class="content"><div class='highlight'><pre>LONG_FLAG  = <span class="hljs-regexp">/^(--\w[\w\-]*)/</span>
+SHORT_FLAG = <span class="hljs-regexp">/^(-\w)$/</span>
+MULTI_FLAG = <span class="hljs-regexp">/^-(\w{2,})/</span></pre></div></div>
             
         </li>
         
@@ -317,22 +308,12 @@ unspecified, leave it out by padding with <code>null</code>.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-11">&#182;</a>
               </div>
-              <p>Build a rule from a <code>-o</code> short flag, a <code>--output [DIR]</code> long flag, and the
-description of what the option does.</p>
+              <p>Matches the long flag part of a rule for an option with an argument. Not
+applied to anything in process.argv.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">buildRule</span> = <span class="hljs-params">(shortFlag, longFlag, description, options = {})</span> -&gt;</span>
-  match     = longFlag.match(OPTIONAL)
-  longFlag  = longFlag.match(LONG_FLAG)[<span class="hljs-number">1</span>]
-  {
-    name:         longFlag.substr <span class="hljs-number">2</span>
-    shortFlag:    shortFlag
-    longFlag:     longFlag
-    description:  description
-    hasArgument:  !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">1</span>])
-    isList:       !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">2</span>])
-  }</pre></div></div>
+            <div class="content"><div class='highlight'><pre>OPTIONAL   = <span class="hljs-regexp">/\[(\w+(\*?))\]/</span></pre></div></div>
             
         </li>
         
@@ -343,20 +324,156 @@ description of what the option does.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-12">&#182;</a>
               </div>
-              <p>Normalize arguments by expanding merged flags into multiple flags. This allows
-you to have <code>-wl</code> be the same as <code>--watch --lint</code>.</p>
+              <p>Build and return the list of option rules. If the optional <em>short-flag</em> is
+unspecified, leave it out by padding with <code>null</code>.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">normalizeArguments</span> = <span class="hljs-params">(args)</span> -&gt;</span>
-  args = args[..]
-  result = []
-  <span class="hljs-keyword">for</span> arg <span class="hljs-keyword">in</span> args
-    <span class="hljs-keyword">if</span> match = arg.match MULTI_FLAG
-      result.push <span class="hljs-string">'-'</span> + l <span class="hljs-keyword">for</span> l <span class="hljs-keyword">in</span> match[<span class="hljs-number">1</span>].split <span class="hljs-string">''</span>
-    <span class="hljs-keyword">else</span>
-      result.push arg
-  result</pre></div></div>
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">buildRules</span> = <span class="hljs-params">(ruleDeclarations)</span> -&gt;</span>
+  ruleList = <span class="hljs-keyword">for</span> tuple <span class="hljs-keyword">in</span> ruleDeclarations
+    tuple.unshift <span class="hljs-literal">null</span> <span class="hljs-keyword">if</span> tuple.length &lt; <span class="hljs-number">3</span>
+    buildRule tuple...
+  flagDict = {}
+  <span class="hljs-keyword">for</span> rule <span class="hljs-keyword">in</span> ruleList</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-13">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-13">&#182;</a>
+              </div>
+              <p><code>shortFlag</code> is null if not provided in the rule.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">for</span> flag <span class="hljs-keyword">in</span> [rule.shortFlag, rule.longFlag] <span class="hljs-keyword">when</span> flag?
+      <span class="hljs-keyword">if</span> flagDict[flag]?
+        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"flag <span class="hljs-subst">#{flag}</span> for switch <span class="hljs-subst">#{rule.name}</span>
+          was already declared for switch <span class="hljs-subst">#{flagDict[flag].name}</span>"</span>
+      flagDict[flag] = rule
+
+  {ruleList, flagDict}</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-14">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-14">&#182;</a>
+              </div>
+              <p>Build a rule from a <code>-o</code> short flag, a <code>--output [DIR]</code> long flag, and the
+description of what the option does.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">buildRule</span> = <span class="hljs-params">(shortFlag, longFlag, description)</span> -&gt;</span>
+  match     = longFlag.match(OPTIONAL)
+  shortFlag = shortFlag?.match(SHORT_FLAG)[<span class="hljs-number">1</span>]
+  longFlag  = longFlag.match(LONG_FLAG)[<span class="hljs-number">1</span>]
+  {
+    name:         longFlag.replace <span class="hljs-regexp">/^--/</span>, <span class="hljs-string">''</span>
+    shortFlag:    shortFlag
+    longFlag:     longFlag
+    description:  description
+    hasArgument:  !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">1</span>])
+    isList:       !!(match <span class="hljs-keyword">and</span> match[<span class="hljs-number">2</span>])
+  }
+<span class="hljs-function">
+<span class="hljs-title">normalizeArguments</span> = <span class="hljs-params">(args, flagDict)</span> -&gt;</span>
+  rules = []
+  positional = []
+  needsArgOpt = <span class="hljs-literal">null</span>
+  <span class="hljs-keyword">for</span> arg, argIndex <span class="hljs-keyword">in</span> args</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-15">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-15">&#182;</a>
+              </div>
+              <p>If the previous argument given to the script was an option that uses the
+next command-line argument as its argument, create copy of the option’s
+rule with an <code>argument</code> field.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>    <span class="hljs-keyword">if</span> needsArgOpt?
+      withArg = Object.assign {}, needsArgOpt.rule, {argument: arg}
+      rules.push withArg
+      needsArgOpt = <span class="hljs-literal">null</span>
+      <span class="hljs-keyword">continue</span>
+
+    multiFlags = arg.match(MULTI_FLAG)?[<span class="hljs-number">1</span>]
+      .split(<span class="hljs-string">''</span>)
+      .map (flagName) -&gt; <span class="hljs-string">"-<span class="hljs-subst">#{flagName}</span>"</span>
+    <span class="hljs-keyword">if</span> multiFlags?
+      multiOpts = multiFlags.map (flag) -&gt;
+        rule = flagDict[flag]
+        <span class="hljs-keyword">unless</span> rule?
+          <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"unrecognized option <span class="hljs-subst">#{flag}</span> in multi-flag <span class="hljs-subst">#{arg}</span>"</span>
+        {rule, flag}</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-16">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-16">&#182;</a>
+              </div>
+              <p>Only the last flag in a multi-flag may have an argument.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      [innerOpts..., lastOpt] = multiOpts
+      <span class="hljs-keyword">for</span> {rule, flag} <span class="hljs-keyword">in</span> innerOpts
+        <span class="hljs-keyword">if</span> rule.hasArgument
+          <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"cannot use option <span class="hljs-subst">#{flag}</span> in multi-flag <span class="hljs-subst">#{arg}</span> except
+          as the last option, because it needs an argument"</span>
+        rules.push rule
+      <span class="hljs-keyword">if</span> lastOpt.rule.hasArgument
+        needsArgOpt = lastOpt
+      <span class="hljs-keyword">else</span>
+        rules.push lastOpt.rule
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> ([LONG_FLAG, SHORT_FLAG].some (pat) -&gt; arg.match(pat)?)
+      singleRule = flagDict[arg]
+      <span class="hljs-keyword">unless</span> singleRule?
+        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"unrecognized option <span class="hljs-subst">#{arg}</span>"</span>
+      <span class="hljs-keyword">if</span> singleRule.hasArgument
+        needsArgOpt = {rule: singleRule, flag: arg}
+      <span class="hljs-keyword">else</span>
+        rules.push singleRule
+    <span class="hljs-keyword">else</span></pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-17">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-17">&#182;</a>
+              </div>
+              <p>This is a positional argument.</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      positional = args[argIndex..]
+      <span class="hljs-keyword">break</span>
+
+  <span class="hljs-keyword">if</span> needsArgOpt?
+    <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"value required for <span class="hljs-subst">#{needsArgOpt.flag}</span>, but it was the last
+    argument provided"</span>
+  {rules, positional}</pre></div></div>
             
         </li>
         

docs/v2/annotated-source/register.html

@@ -118,7 +118,7 @@
               
             </div>
             
-            <div class="content"><div class='highlight'><pre>CoffeeScript  = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span>
+            <div class="content"><div class='highlight'><pre>CoffeeScript  = <span class="hljs-built_in">require</span> <span class="hljs-string">'./'</span>
 child_process = <span class="hljs-built_in">require</span> <span class="hljs-string">'child_process'</span>
 helpers       = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
 path          = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span></pre></div></div>

docs/v2/annotated-source/repl.html

@@ -122,12 +122,16 @@
 path = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span>
 vm = <span class="hljs-built_in">require</span> <span class="hljs-string">'vm'</span>
 nodeREPL = <span class="hljs-built_in">require</span> <span class="hljs-string">'repl'</span>
-CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffeescript'</span>
+CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./'</span>
 {merge, updateSyntaxError} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
 
+sawSIGINT = <span class="hljs-literal">no</span>
+
 replDefaults =
   prompt: <span class="hljs-string">'coffee&gt; '</span>,
-  historyFile: path.join process.env.HOME, <span class="hljs-string">'.coffee_history'</span> <span class="hljs-keyword">if</span> process.env.HOME
+  historyFile: <span class="hljs-keyword">do</span> -&gt;
+    historyPath = process.env.XDG_CACHE_HOME <span class="hljs-keyword">or</span> process.env.HOME
+    path.join historyPath, <span class="hljs-string">'.coffee_history'</span> <span class="hljs-keyword">if</span> historyPath
   historyMaxInputSize: <span class="hljs-number">10240</span>
   eval: <span class="hljs-function"><span class="hljs-params">(input, context, filename, cb)</span> -&gt;</span></pre></div></div>
             
@@ -191,7 +195,7 @@ Unwrap that too.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>    {Block, Assign, Value, Literal} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./nodes'</span>
+            <div class="content"><div class='highlight'><pre>    {Block, Assign, Value, Literal, Call, Code} = <span class="hljs-built_in">require</span> <span class="hljs-string">'./nodes'</span>
 
     <span class="hljs-keyword">try</span></pre></div></div>
             
@@ -223,9 +227,7 @@ Unwrap that too.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>      referencedVars = (
-        token[<span class="hljs-number">1</span>] <span class="hljs-keyword">for</span> token <span class="hljs-keyword">in</span> tokens <span class="hljs-keyword">when</span> token[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'IDENTIFIER'</span>
-      )</pre></div></div>
+            <div class="content"><div class='highlight'><pre>      referencedVars = (token[<span class="hljs-number">1</span>] <span class="hljs-keyword">for</span> token <span class="hljs-keyword">in</span> tokens <span class="hljs-keyword">when</span> token[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">'IDENTIFIER'</span>)</pre></div></div>
             
         </li>
         
@@ -251,16 +253,11 @@ Unwrap that too.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-9">&#182;</a>
               </div>
-              <p>Add assignment to <code>_</code> variable to force the input to be an expression.</p>
+              <p>Add assignment to <code>__</code> variable to force the input to be an expression.</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>      ast = <span class="hljs-keyword">new</span> Block [
-        <span class="hljs-keyword">new</span> Assign (<span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> Literal <span class="hljs-string">'_'</span>), ast, <span class="hljs-string">'='</span>
-      ]
-      js = ast.compile {bare: <span class="hljs-literal">yes</span>, locals: Object.keys(context), referencedVars}
-      cb <span class="hljs-literal">null</span>, runInContext js, context, filename
-    <span class="hljs-keyword">catch</span> err</pre></div></div>
+            <div class="content"><div class='highlight'><pre>      ast = <span class="hljs-keyword">new</span> Block [<span class="hljs-keyword">new</span> Assign (<span class="hljs-keyword">new</span> Value <span class="hljs-keyword">new</span> Literal <span class="hljs-string">'__'</span>), ast, <span class="hljs-string">'='</span>]</pre></div></div>
             
         </li>
         
@@ -271,6 +268,60 @@ Unwrap that too.</p>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-10">&#182;</a>
               </div>
+              <p>Wrap the expression in a closure to support top-level <code>await</code></p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      ast     = <span class="hljs-keyword">new</span> Code [], ast
+      isAsync = ast.isAsync</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-11">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-11">&#182;</a>
+              </div>
+              <p>Invoke the wrapping closure</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      ast    = <span class="hljs-keyword">new</span> Block [<span class="hljs-keyword">new</span> Call ast]
+      js     = ast.compile {bare: <span class="hljs-literal">yes</span>, locals: Object.keys(context), referencedVars, sharedScope: <span class="hljs-literal">yes</span>}
+      result = runInContext js, context, filename</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-12">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-12">&#182;</a>
+              </div>
+              <p>Await an async result, if necessary</p>
+
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>      <span class="hljs-keyword">if</span> isAsync
+        result.<span class="hljs-keyword">then</span> (resolvedResult) -&gt;
+          cb <span class="hljs-literal">null</span>, resolvedResult <span class="hljs-keyword">unless</span> sawSIGINT
+        sawSIGINT = <span class="hljs-literal">no</span>
+      <span class="hljs-keyword">else</span>
+        cb <span class="hljs-literal">null</span>, result
+    <span class="hljs-keyword">catch</span> err</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-13">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-13">&#182;</a>
+              </div>
               <p>AST’s <code>compile</code> does not add source code information to syntax errors.</p>
 
             </div>
@@ -290,11 +341,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-11">
+        <li id="section-14">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-11">&#182;</a>
+                <a class="pilcrow" href="#section-14">&#182;</a>
               </div>
               <p>Node 0.11.12 changed API, prompt is now _prompt.</p>
 
@@ -311,11 +362,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-12">
+        <li id="section-15">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-12">&#182;</a>
+                <a class="pilcrow" href="#section-15">&#182;</a>
               </div>
               <p>Proxy node’s line listener</p>
 
@@ -336,11 +387,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-13">
+        <li id="section-16">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-13">&#182;</a>
+                <a class="pilcrow" href="#section-16">&#182;</a>
               </div>
               <p>Handle Ctrl-v</p>
 
@@ -353,11 +404,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-14">
+        <li id="section-17">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-14">&#182;</a>
+                <a class="pilcrow" href="#section-17">&#182;</a>
               </div>
               <p>allow arbitrarily switching between modes any time before multiple lines are entered</p>
 
@@ -372,11 +423,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-15">
+        <li id="section-18">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-15">&#182;</a>
+                <a class="pilcrow" href="#section-18">&#182;</a>
               </div>
               <p>no-op unless the current line is empty</p>
 
@@ -387,11 +438,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-16">
+        <li id="section-19">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-16">&#182;</a>
+                <a class="pilcrow" href="#section-19">&#182;</a>
               </div>
               <p>eval, print, loop</p>
 
@@ -406,11 +457,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-17">
+        <li id="section-20">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-17">&#182;</a>
+                <a class="pilcrow" href="#section-20">&#182;</a>
               </div>
               <p>XXX: multiline hack</p>
 
@@ -428,11 +479,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-18">
+        <li id="section-21">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-18">&#182;</a>
+                <a class="pilcrow" href="#section-21">&#182;</a>
               </div>
               <p>Store and load command history from a file</p>
 
@@ -445,11 +496,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-19">
+        <li id="section-22">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-19">&#182;</a>
+                <a class="pilcrow" href="#section-22">&#182;</a>
               </div>
               <p>Get file info and at most maxSize of command history</p>
 
@@ -461,11 +512,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-20">
+        <li id="section-23">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-20">&#182;</a>
+                <a class="pilcrow" href="#section-23">&#182;</a>
               </div>
               <p>Read last <code>size</code> bytes from the file</p>
 
@@ -479,11 +530,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-21">
+        <li id="section-24">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-21">&#182;</a>
+                <a class="pilcrow" href="#section-24">&#182;</a>
               </div>
               <p>Set the history on the interpreter</p>
 
@@ -494,11 +545,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-22">
+        <li id="section-25">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-22">&#182;</a>
+                <a class="pilcrow" href="#section-25">&#182;</a>
               </div>
               <p>If the history file was truncated we should pop off a potential partial line</p>
 
@@ -509,11 +560,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-23">
+        <li id="section-26">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-23">&#182;</a>
+                <a class="pilcrow" href="#section-26">&#182;</a>
               </div>
               <p>Shift off the final blank newline</p>
 
@@ -531,29 +582,43 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-24">
+        <li id="section-27">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-24">&#182;</a>
+                <a class="pilcrow" href="#section-27">&#182;</a>
               </div>
               <p>Save the latest command in the file</p>
 
             </div>
             
             <div class="content"><div class='highlight'><pre>      fs.writeSync fd, <span class="hljs-string">"<span class="hljs-subst">#{code}</span>\n"</span>
-      lastLine = code
+      lastLine = code</pre></div></div>
+            
+        </li>
+        
+        
+        <li id="section-28">
+            <div class="annotation">
+              
+              <div class="pilwrap ">
+                <a class="pilcrow" href="#section-28">&#182;</a>
+              </div>
+              <p>XXX: The SIGINT event from REPLServer is undocumented, so this is a bit fragile</p>
 
+            </div>
+            
+            <div class="content"><div class='highlight'><pre>  repl.<span class="hljs-literal">on</span> <span class="hljs-string">'SIGINT'</span>, <span class="hljs-function">-&gt;</span> sawSIGINT = <span class="hljs-literal">yes</span>
   repl.<span class="hljs-literal">on</span> <span class="hljs-string">'exit'</span>, <span class="hljs-function">-&gt;</span> fs.closeSync fd</pre></div></div>
             
         </li>
         
         
-        <li id="section-25">
+        <li id="section-29">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-25">&#182;</a>
+                <a class="pilcrow" href="#section-29">&#182;</a>
               </div>
               <p>Add a command to show the history stack</p>
 
@@ -570,11 +635,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-26">
+        <li id="section-30">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-26">&#182;</a>
+                <a class="pilcrow" href="#section-30">&#182;</a>
               </div>
               <p>Node 0.11 changed API, a command such as ‘.help’ is now stored as ‘help’</p>
 
@@ -585,7 +650,7 @@ Unwrap that too.</p>
 
 <span class="hljs-built_in">module</span>.exports =
   start: <span class="hljs-function"><span class="hljs-params">(opts = {})</span> -&gt;</span>
-    [major, minor, build] = process.versions.node.split(<span class="hljs-string">'.'</span>).map (n) -&gt; parseInt(n)
+    [major, minor, build] = process.versions.node.split(<span class="hljs-string">'.'</span>).map (n) -&gt; parseInt(n, <span class="hljs-number">10</span>)
 
     <span class="hljs-keyword">if</span> major &lt; <span class="hljs-number">6</span>
       <span class="hljs-built_in">console</span>.warn <span class="hljs-string">"Node 6+ required for CoffeeScript REPL"</span>
@@ -603,11 +668,11 @@ Unwrap that too.</p>
         </li>
         
         
-        <li id="section-27">
+        <li id="section-31">
             <div class="annotation">
               
               <div class="pilwrap ">
-                <a class="pilcrow" href="#section-27">&#182;</a>
+                <a class="pilcrow" href="#section-31">&#182;</a>
               </div>
               <p>Adapt help inherited from the node REPL</p>
 

docs/v2/annotated-source/sourcemap.html

@@ -370,11 +370,18 @@ column for the current line:</p>
 
             </div>
             
-            <div class="content"><div class='highlight'><pre>    v3 =
+            <div class="content"><div class='highlight'><pre>    sources = <span class="hljs-keyword">if</span> options.sourceFiles
+      options.sourceFiles
+    <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> options.filename
+      [options.filename]
+    <span class="hljs-keyword">else</span>
+      [<span class="hljs-string">'&lt;anonymous&gt;'</span>]
+
+    v3 =
       version:    <span class="hljs-number">3</span>
       file:       options.generatedFile <span class="hljs-keyword">or</span> <span class="hljs-string">''</span>
       sourceRoot: options.sourceRoot <span class="hljs-keyword">or</span> <span class="hljs-string">''</span>
-      sources:    options.sourceFiles <span class="hljs-keyword">or</span> [<span class="hljs-string">''</span>]
+      sources:    sources
       names:      []
       mappings:   buffer
 
@@ -406,7 +413,7 @@ column for the current line:</p>
               </div>
               <p>Note that SourceMap VLQ encoding is “backwards”.  MIDI-style VLQ encoding puts
 the most-significant-bit (MSB) from the original value into the MSB of the VLQ
-encoded value (see <a href="http://en.wikipedia.org/wiki/File:Uintvar_coding.svg">Wikipedia</a>).
+encoded value (see <a href="https://en.wikipedia.org/wiki/File:Uintvar_coding.svg">Wikipedia</a>).
 SourceMap VLQ does things the other way around, with the least significat four
 bits of the original value encoded into the first byte of the VLQ encoded value.</p>
 

documentation/examples/array_comprehensions.coffee

@@ -1,8 +1,10 @@
 # Eat lunch.
+eat = (food) -> "#{food} eaten."
 eat food for food in ['toast', 'cheese', 'wine']
 
 # Fine five course dining.
 courses = ['greens', 'caviar', 'truffles', 'roast', 'cake']
+menu = (i, dish) -> "Menu Item #{i}: #{dish}" 
 menu i + 1, dish for dish, i in courses
 
 # Health conscious meal.

documentation/examples/array_spread.coffee

@@ -0,0 +1,4 @@
+popular  = ['pepperoni', 'sausage', 'cheese']
+unwanted = ['anchovies', 'olives']
+
+all = [popular..., unwanted..., 'mushrooms']

documentation/examples/block_comment.coffee

@@ -1,4 +0,0 @@
-###
-SkinnyMochaHalfCaffScript Compiler v1.0
-Released under the MIT License
-###

documentation/examples/breaking_change_fat_arrow.coffee

@@ -0,0 +1,5 @@
+outer = ->
+  inner = => Array.from arguments
+  inner()
+
+outer(1, 2)  # Returns '' in CoffeeScript 1.x, '1, 2' in CoffeeScript 2

documentation/examples/breaking_change_super_in_non-class_methods_refactor_with_apply.coffee

@@ -1,4 +1,18 @@
+# Helper functions
+hasProp = {}.hasOwnProperty
+extend = (child, parent) ->
+  ctor = ->
+    @constructor = child
+    return
+  for key of parent
+    if hasProp.call(parent, key)
+      child[key] = parent[key]
+  ctor.prototype = parent.prototype
+  child.prototype = new ctor
+  child
+
+
 A = ->
 B = ->
-B extends A
+extend B, A
 B.prototype.foo = -> A::foo.apply this, arguments

documentation/examples/chaining.coffee

@@ -2,5 +2,5 @@ $ 'body'
 .click (e) ->
   $ '.box'
   .fadeIn 'fast'
-  .addClass '.active'
+  .addClass 'show'
 .css 'background', 'white'

documentation/examples/comment.coffee

@@ -1 +1,7 @@
-code = 2 * 617 # The code is 1234
+###
+Fortune Cookie Reader v1.0
+Released under the MIT License
+###
+
+sayFortune = (fortune) ->
+	console.log fortune # in bed!

documentation/examples/do.coffee

@@ -1,4 +1,5 @@
 for filename in list
   do (filename) ->
-    fs.readFile filename, (err, contents) ->
-      compile filename, contents.toString()
+    if filename not in ['.DS_Store', 'Thumbs.db', 'ehthumbs.db']
+      fs.readFile filename, (err, contents) ->
+        compile filename, contents.toString()

documentation/examples/existence_declared.coffee

@@ -0,0 +1,4 @@
+major = 'Computer Science'
+
+unless major?
+  signUpForClass 'Introduction to Wines'

documentation/examples/existence_undeclared.coffee

@@ -0,0 +1,2 @@
+if window?
+  environment = 'browser (probably)'

documentation/examples/heregexes.coffee

@@ -1,9 +1,6 @@
-OPERATOR = /// ^ (
-  ?: [-=]>             # function
-   | [-+*/%<>&|^!?=]=  # compound assign / compare
-   | >>>=?             # zero-fill right shift
-   | ([-+:])\1         # doubles
-   | ([&|<>])\2=?      # logic / shift
-   | \?\.              # soak access
-   | \.{2,3}           # range or splat
-) ///
+NUMBER     = ///
+  ^ 0b[01]+    |              # binary
+  ^ 0o[0-7]+   |              # octal
+  ^ 0x[\da-f]+ |              # hex
+  ^ \d*\.?\d+ (?:e[+-]?\d+)?  # decimal
+///i

documentation/examples/jsx.coffee

@@ -0,0 +1,9 @@
+renderStarRating = ({ rating, maxStars }) ->
+  <aside title={"Rating: #{rating} of #{maxStars} stars"}>
+    {for wholeStar in [0...Math.floor(rating)]
+      <Star className="wholeStar" key={wholeStar} />}
+    {if rating % 1 isnt 0
+      <Star className="halfStar" />}
+    {for emptyStar in [Math.ceil(rating)...maxStars]
+      <Star className="emptyStar" key={emptyStar} />}
+  </aside>

documentation/examples/object_spread.coffee

@@ -0,0 +1,5 @@
+user =
+  name: 'Werner Heisenberg'
+  occupation: 'theoretical physicist'
+
+currentUser = { user..., status: 'Uncertain' }

documentation/examples/splats.coffee

@@ -20,6 +20,8 @@ contenders = [
 
 awardMedals contenders...
 
-alert "Gold: " + gold
-alert "Silver: " + silver
-alert "The Field: " + rest
+alert """
+Gold: #{gold}
+Silver: #{silver}
+The Field: #{rest.join ', '}
+"""

documentation/examples/type_annotations.coffee

@@ -0,0 +1,4 @@
+# @flow
+
+fn = (str ###: string ###, num ###: number ###) ###: string ### ->
+  str + num

documentation/images/link.svg

@@ -1 +0,0 @@
-<svg aria-hidden="true" version="1.1" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg>

documentation/sections/async_functions.md

@@ -0,0 +1,9 @@
+## Async Functions
+
+ES2017’s [async functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function) are supported through the `await` keyword. Like with generators, there's no need for an `async` keyword; an async function in CoffeeScript is simply a function that awaits.
+
+Similar to how `yield return` forces a generator, `await return` may be used to force a function to be async.
+
+```
+codeFor('async', true)
+```

documentation/sections/books.md

@@ -2,12 +2,12 @@
 
 There are a number of excellent resources to help you get started with CoffeeScript, some of which are freely available online.
 
-*   [The Little Book on CoffeeScript](http://arcturo.github.com/library/coffeescript/) is a brief 5-chapter introduction to CoffeeScript, written with great clarity and precision by [Alex MacCaw](http://alexmaccaw.co.uk/).
-*   [Smooth CoffeeScript](http://autotelicum.github.com/Smooth-CoffeeScript/) is a reimagination of the excellent book [Eloquent JavaScript](http://eloquentjavascript.net/), as if it had been written in CoffeeScript instead. Covers language features as well as the functional and object oriented programming styles. By [E. Hoigaard](https://github.com/autotelicum).
+*   [The Little Book on CoffeeScript](http://arcturo.github.io/library/coffeescript/) is a brief 5-chapter introduction to CoffeeScript, written with great clarity and precision by [Alex MacCaw](http://alexmaccaw.co.uk/).
+*   [Smooth CoffeeScript](http://autotelicum.github.io/Smooth-CoffeeScript/) is a reimagination of the excellent book [Eloquent JavaScript](http://eloquentjavascript.net/), as if it had been written in CoffeeScript instead. Covers language features as well as the functional and object oriented programming styles. By [E. Hoigaard](https://github.com/autotelicum).
 *   [CoffeeScript: Accelerated JavaScript Development](http://pragprog.com/book/tbcoffee/coffeescript) is [Trevor Burnham](http://trevorburnham.com/)’s thorough introduction to the language. By the end of the book, you’ll have built a fast-paced multiplayer word game, writing both the client-side and Node.js portions in CoffeeScript.
-*   [CoffeeScript Programming with jQuery, Rails, and Node.js](http://www.packtpub.com/coffeescript-programming-with-jquery-rails-nodejs/book) is a new book by Michael Erasmus that covers CoffeeScript with an eye towards real-world usage both in the browser (jQuery) and on the server-side (Rails, Node).
+*   [CoffeeScript Programming with jQuery, Rails, and Node.js](https://www.packtpub.com/web-development/coffeescript-programming-jquery-rails-and-nodejs) is a new book by Michael Erasmus that covers CoffeeScript with an eye towards real-world usage both in the browser (jQuery) and on the server-side (Rails, Node).
 *   [CoffeeScript Ristretto](https://leanpub.com/coffeescript-ristretto/read) is a deep dive into CoffeeScript’s semantics from simple functions up through closures, higher-order functions, objects, classes, combinators, and decorators. By [Reg Braithwaite](http://braythwayt.com/).
 *   [Testing with CoffeeScript](https://efendibooks.com/minibooks/testing-with-coffeescript) is a succinct and freely downloadable guide to building testable applications with CoffeeScript and Jasmine.
-*   [CoffeeScript Application Development](http://www.packtpub.com/coffeescript-application-development/book) from Packt, introduces CoffeeScript while walking through the process of building a demonstration web application. A [CoffeeScript Application Development Coookbook](https://www.packtpub.com/web-development/coffeescript-application-development-cookbook) with over 90 “recipes” is also available.
-*   [CoffeeScript in Action](http://www.manning.com/lee/) from Manning Publications, covers CoffeeScript syntax, composition techniques and application development.
-*   [CoffeeScript: Die Alternative zu JavaScript](http://www.dpunkt.de/buecher/4021/coffeescript.html) from dpunkt.verlag, is the first CoffeeScript book in Deutsch.
+*   [CoffeeScript Application Development](https://www.packtpub.com/web-development/coffeescript-application-development) from Packt, introduces CoffeeScript while walking through the process of building a demonstration web application. A [CoffeeScript Application Development Coookbook](https://www.packtpub.com/web-development/coffeescript-application-development-cookbook) with over 90 “recipes” is also available.
+*   [CoffeeScript in Action](https://www.manning.com/books/coffeescript-in-action) from Manning Publications, covers CoffeeScript syntax, composition techniques and application development.
+*   [CoffeeScript: Die Alternative zu JavaScript](https://www.dpunkt.de/buecher/4021/coffeescript.html) from dpunkt.verlag, is the first CoffeeScript book in Deutsch.

documentation/sections/breaking_change_fat_arrow.md

@@ -0,0 +1,7 @@
+### Bound (fat arrow) functions
+
+In CoffeeScript 1.x, `=>` compiled to a regular `function` but with references to `this`/`@` rewritten to use the outer scope’s `this`, or with the inner function bound to the outer scope via `.bind` (hence the name “bound function”). In CoffeeScript 2, `=>` compiles to [ES2015’s `=>`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions), which behaves slightly differently. The largest difference is that in ES2015, `=>` functions lack an `arguments` object:
+
+```
+codeFor('breaking_change_fat_arrow', 'outer(1, 2)')
+```

documentation/sections/breaking_changes.md

@@ -1,142 +1,3 @@
 ## Breaking Changes From CoffeeScript 1.x to 2
 
 CoffeeScript 2 aims to output as much idiomatic ES2015+ syntax as possible with as few breaking changes from CoffeeScript 1.x as possible. Some breaking changes, unfortunately, were unavoidable.
-
-<section id="breaking-changes-default-values">
-
-### Default values for function parameters and destructured elements
-
-Per the [ES2015 spec regarding function default parameters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Default_parameters) and [destructuring default values](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment#Default_values), default values are only applied when a value is missing or `undefined`. In CoffeeScript 1.x, the default value would be applied in those cases but also if the  value was `null`.
-
-```
-codeFor('breaking_change_function_parameter_default_values', 'f(null)')
-```
-
-```
-codeFor('breaking_change_destructuring_default_values', 'a')
-```
-
-</section>
-<section id="breaking-changes-bound-generator-functions">
-
-### Bound generator functions
-
-Bound generator functions, a.k.a. generator arrow functions, [aren’t allowed in ECMAScript](http://stackoverflow.com/questions/27661306/can-i-use-es6s-arrow-function-syntax-with-generators-arrow-notation). You can write `function*` or `=>`, but not both. Therefore, CoffeeScript code like this:
-
-```coffee
-f = => yield this
-# Throws a compiler error
-```
-
-Needs to be rewritten the old-fashioned way:
-
-```
-codeFor('breaking_change_bound_generator_function')
-```
-
-</section>
-<section id="breaking-changes-classes">
-
-### Classes are compiled to ES2015 classes
-
-ES2015 classes and their methods have some restrictions beyond those on regular functions.
-
-Class constructors can’t be invoked without `new`:
-
-```coffee
-(class)()
-# Throws a TypeError at runtime
-```
-
-Derived (extended) class `constructor`s cannot use `this` before calling `super`:
-
-```coffee
-class B extends A
-  constructor: -> this
-  # Throws a compiler error
-```
-
-Class methods can’t be used with `new` (uncommon):
-
-```coffee
-class Namespace
-  @Klass = ->
-new Namespace.Klass
-# Throws a TypeError at runtime
-```
-
-</section>
-<section id="breaking-changes-bare-super">
-
-### Bare `super`
-
-Due to a syntax clash with `super` with accessors, bare `super` no longer compiles to a super call forwarding all arguments.
-
-```coffee
-class B extends A
-  foo: -> super
-  # Throws a compiler error
-```
-
-Arguments can be forwarded explicitly using splats:
-
-```
-codeFor('breaking_change_super_with_arguments')
-```
-
-Or if you know that the parent function doesn’t require arguments, just call `super()`:
-
-```
-codeFor('breaking_change_super_without_arguments')
-```
-
-</section>
-<section id="breaking-changes-super-in-non-class-methods">
-
-### `super` in non-class methods
-
-In CoffeeScript 1.x it is possible to use `super` in more than just class methods, such as in manually prototype-assigned functions:
-
-```coffee
-A = ->
-B = ->
-B extends A
-B.prototype.foo = -> super arguments...
-# Throws a compiler error
-```
-
-Due to the switch to ES2015 `super`, this is no longer supported. The above case could be refactored to:
-
-```
-codeFor('breaking_change_super_in_non-class_methods_refactor_with_apply')
-```
-
-or
-
-```
-codeFor('breaking_change_super_in_non-class_methods_refactor_with_class')
-```
-
-</section>
-<section id="breaking-changes-dynamic-class-keys-exclude-executable-class-scope">
-
-### Dynamic class keys exclude executable class scope
-
-Due to the hoisting required to compile to ES2015 classes, dynamic keys in class methods can’t use values from the executable class body unless the methods are assigned in prototype style.
-
-```coffee
-class A
-  name = 'method'
-  "#{name}": ->   # This method will be named 'undefined'
-  @::[name] = ->  # This will work; assigns to `A.prototype.method`
-```
-
-</section>
-
-<section id="breaking-changes-literate-coffeescript">
-
-### Literate CoffeeScript now parsed by a Markdown library
-
-The CoffeeScript 1.x implementation of Literate CoffeeScript relies on indentation to tell apart code blocks from documentation, and as such it can get confused by Markdown features that also use indentation like lists. In CoffeeScript 2 this has been refactored to now use [Markdown-It](https://github.com/markdown-it/markdown-it) to detect Markdown sections rather than just looking at indentation. The only significant difference is that now if you want to include a code block in documentation, as opposed to the compiler recognizing that code block as code, it must have at least one line fully unindented. Wrapping it in HTML tags is no longer sufficient.
-
-Code blocks interspersed with lists may need to be refactored. In general, code blocks should be separated by a blank line between documentation, and should maintain a consistent indentation level—so an indentation of one tab (or whatever you consider to be a tab stop, like 2 spaces or 4 spaces) should be treated as your code’s “left margin,” with all code in the file relative to that column.

documentation/sections/breaking_changes_argument_parsing_and_shebang_lines.md

@@ -0,0 +1,34 @@
+### Argument parsing and shebang (`#!`) lines
+
+In CoffeeScript 1.x, `--` was required after the path and filename of the script to be run, but before any arguments passed to that script. This convention is now deprecated. So instead of:
+
+```bash
+coffee [options] path/to/script.coffee -- [args]
+```
+
+Now you would just type:
+
+```bash
+coffee [options] path/to/script.coffee [args]
+```
+
+The deprecated version will still work, but it will print a warning before running the script.
+
+On non-Windows platforms, a `.coffee` file can be made executable by adding a shebang (`#!`) line at the top of the file and marking the file as executable. For example:
+
+```coffee
+#!/usr/bin/env coffee
+
+x = 2 + 2
+console.log x
+```
+
+If this were saved as `executable.coffee`, it could be made executable and run:
+
+```bash
+▶ chmod +x ./executable.coffee
+▶ ./executable.coffee
+4
+```
+
+In CoffeeScript 1.x, this used to fail when trying to pass arguments to the script. Some users on OS X worked around the problem by using `#!/usr/bin/env coffee --` as the first line of the file. That didn’t work on Linux, however, which cannot parse shebang lines with more than a single argument. While such scripts will still run on OS X, CoffeeScript will now display a warning before compiling or evaluating files that begin with a too-long shebang line. Now that CoffeeScript 2 supports passing arguments without needing `--`, we recommend simply changing the shebang lines in such scripts to just `#!/usr/bin/env coffee`.

documentation/sections/breaking_changes_bound_generator_functions.md

@@ -0,0 +1,14 @@
+### Bound generator functions
+
+Bound generator functions, a.k.a. generator arrow functions, [aren’t allowed in ECMAScript](http://stackoverflow.com/questions/27661306/can-i-use-es6s-arrow-function-syntax-with-generators-arrow-notation). You can write `function*` or `=>`, but not both. Therefore, CoffeeScript code like this:
+
+```coffee
+f = => yield this
+# Throws a compiler error
+```
+
+Needs to be rewritten the old-fashioned way:
+
+```
+codeFor('breaking_change_bound_generator_function')
+```

documentation/sections/breaking_changes_classes.md

@@ -0,0 +1,48 @@
+### Classes are compiled to ES2015 classes
+
+ES2015 classes and their methods have some restrictions beyond those on regular functions.
+
+Class constructors can’t be invoked without `new`:
+
+```coffee
+(class)()
+# Throws a TypeError at runtime
+```
+
+Derived (extended) class `constructor`s cannot use `this` before calling `super`:
+
+```coffee
+class B extends A
+  constructor: -> this  # Throws a compiler error
+```
+
+ES2015 classes don’t allow bound (fat arrow) methods. The CoffeeScript compiler goes through some contortions to preserve support for them, but one thing that can’t be accommodated is calling a bound method before it is bound:
+
+```coffee
+class Base
+  constructor: ->
+    @onClick()      # This works
+    clickHandler = @onClick
+    clickHandler()  # This throws a runtime error
+
+class Component extends Base
+  onClick: =>
+    console.log 'Clicked!', @
+```
+
+Class methods can’t be used with `new` (uncommon):
+
+```coffee
+class Namespace
+  @Klass = ->
+new Namespace.Klass  # Throws a TypeError at runtime
+```
+
+Due to the hoisting required to compile to ES2015 classes, dynamic keys in class methods can’t use values from the executable class body unless the methods are assigned in prototype style.
+
+```coffee
+class A
+  name = 'method'
+  "#{name}": ->   # This method will be named 'undefined'
+  @::[name] = ->  # This will work; assigns to `A.prototype.method`
+```

documentation/sections/breaking_changes_default_values.md

@@ -0,0 +1,11 @@
+### Default values for function parameters and destructured elements
+
+Per the [ES2015 spec regarding function default parameters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Default_parameters) and [destructuring default values](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment#Default_values), default values are only applied when a value is missing or `undefined`. In CoffeeScript 1.x, the default value would be applied in those cases but also if the  value was `null`.
+
+```
+codeFor('breaking_change_function_parameter_default_values', 'f(null)')
+```
+
+```
+codeFor('breaking_change_destructuring_default_values', 'a')
+```

documentation/sections/breaking_changes_jsx_and_the_less_than_and_greater_than_operators.md

@@ -0,0 +1,3 @@
+### JSX and the `<` and `>` operators
+
+With the addition of [JSX](#jsx), the `<` and `>` characters serve as both the “less than” and “greater than” operators and as the delimiters for XML tags, like `<div>`. For best results, in general you should always wrap the operators in spaces to distinguish them from XML tags: `i < len`, not `i<len`. The compiler tries to be forgiving when it can be sure what you intend, but always putting spaces around the “less than” and “greater than” operators will remove ambiguity.

documentation/sections/breaking_changes_literate_coffeescript.md

@@ -0,0 +1,7 @@
+### Literate CoffeeScript parsing
+
+CoffeeScript 2’s parsing of Literate CoffeeScript has been refactored to now be more careful about not treating indented lists as code blocks; but this means that all code blocks (unless they are to be interpreted as comments) must be separated by at least one blank line from lists.
+
+Code blocks should also now maintain a consistent indentation level—so an indentation of one tab (or whatever you consider to be a tab stop, like 2 spaces or 4 spaces) should be treated as your code’s “left margin,” with all code in the file relative to that column.
+
+Code blocks that you want to be part of the commentary, and not executed, must have at least one line (ideally the first line of the block) completely unindented.

documentation/sections/breaking_changes_super_extends.md

@@ -0,0 +1,43 @@
+### `super` and `extends`
+
+Due to a syntax clash with `super` with accessors, “bare” `super` (the keyword `super` without parentheses) no longer compiles to a super call forwarding all arguments.
+
+```coffee
+class B extends A
+  foo: -> super
+  # Throws a compiler error
+```
+
+Arguments can be forwarded explicitly using splats:
+
+```
+codeFor('breaking_change_super_with_arguments')
+```
+
+Or if you know that the parent function doesn’t require arguments, just call `super()`:
+
+```
+codeFor('breaking_change_super_without_arguments')
+```
+
+CoffeeScript 1.x allowed the `extends` keyword to set up prototypal inheritance between functions, and `super` could be used manually prototype-assigned functions:
+
+```coffee
+A = ->
+B = ->
+B extends A
+B.prototype.foo = -> super arguments...
+# Last two lines each throw compiler errors in CoffeeScript 2
+```
+
+Due to the switch to ES2015 `extends` and `super`, using these keywords for prototypal functions are no longer supported. The above case could be refactored to:
+
+```
+codeFor('breaking_change_super_in_non-class_methods_refactor_with_apply')
+```
+
+or
+
+```
+codeFor('breaking_change_super_in_non-class_methods_refactor_with_class')
+```

documentation/sections/chaining.md

@@ -0,0 +1,7 @@
+## Chaining Function Calls
+
+Leading `.` closes all open calls, allowing for simpler chaining syntax.
+
+```
+codeFor('chaining')
+```

documentation/sections/changelog.md

@@ -1,4 +1,82 @@
-## Change Log
+## Changelog
+
+```
+releaseHeader('2017-09-02', '2.0.0-beta5', '2.0.0-beta4')
+```
+
+*	 Node 6 is now supported, and we will try to maintain that as the minimum required version for CoffeeScript 2 via the `coffee` command or Node API. Older versions of Node, or non-evergreen browsers, can compile via the [browser compiler](./browser-compiler/coffeescript.js).
+*	 The command line `--output` flag now allows you to specify an output filename, not just an output folder.
+*	 The command line `--require` flag now properly handles filenames or module names that are invalid identifiers (like an NPM module with a hyphen in the name).
+*	 `Object.assign`, output when object destructuring is used, is polyfilled using the same polyfill that Babel outputs. This means that polyfills shouldn’t be required unless support for Internet Explorer 8 or below is desired (or your own code uses a feature that requires a polyfill). See [ES2015+ Output](#es2015plus-output).
+*	 A string or JSX interpolation that contains only a comment (`"a#{### comment ###}b"` or `<div>{### comment ###}</div>`) is now output (`` `a${/* comment */}b` ``)
+*	 Interpolated strings (ES2015 template literals) that contain quotation marks no longer have the quotation marks escaped: `` `say "${message}"` ``
+*	 It is now possible to chain after a function literal (for example, to define a function and then call `.call` on it).
+*	 The results of the async tests are included in the output when you run `cake test`.
+*	 Bugfixes for object destructuring; expansions in function parameters; generated reference variables in function parameters; chained functions after `do`; splats after existential operator soaks in arrays (`[a?.b...]`); trailing `if` with splat in arrays or function parameters (`[a if b...]`); attempting to `throw` an `if`, `for`, `switch`, `while` or other invalid construct.
+*	 Bugfixes for syntactical edge cases: semicolons after `=` and other “mid-expression” tokens; spaces after `::`; and scripts that begin with `:` or `*`.
+*	 Bugfixes for source maps generated via the Node API; and stack trace line numbers when compiling CoffeeScript via the Node API from within a `.coffee` file.
+
+```
+releaseHeader('2017-08-03', '2.0.0-beta4', '2.0.0-beta3')
+```
+
+*   This release includes [all the changes from 1.12.6 to 1.12.7](#1.12.7).
+*   [Line comments](#comments) (starting with `#`) are now output in the generated JavaScript.
+*   [Block comments](#comments) (delimited by `###`) are now allowed anywhere, including inline where they previously weren’t possible. This provides support for [static type annotations](#type-annotations) using Flow’s comments-based syntax.
+*   Spread syntax (`...` for objects) is now supported in JSX tags: `<div {props...} />`.
+*   Argument parsing for scripts run via `coffee` is improved. See [breaking changes](#breaking-changes-argument-parsing-and-shebang-lines).
+*   CLI: Propagate `SIGINT` and `SIGTERM` signals when node is forked.
+*   `await` in the REPL is now allowed without requiring a wrapper function.
+*   `do super` is now allowed, and other accesses of `super` like `super.x.y` or `super['x'].y` now work.
+*   Splat/spread syntax triple dots are now allowed on either the left or the right (so `props...` or `...props` are both valid).
+*   Tagged template literals are recognized as callable functions.
+*   Bugfixes for object spread syntax in nested properties.
+*   Bugfixes for destructured function parameter default values.
+
+```
+releaseHeader('2017-07-16', '1.12.7', '1.12.6')
+```
+
+*   Fix regressions in 1.12.6 related to chained function calls and indented `return` and `throw` arguments.
+*   The REPL no longer warns about assigning to `_`.
+
+```
+releaseHeader('2017-06-30', '2.0.0-beta3', '2.0.0-beta2')
+```
+
+*   [JSX](#jsx) is now supported.
+*   [Object rest/spread properties](#object-spread) are now supported.
+*   Bound (fat arrow) methods are once again supported in classes; though an error will be thrown if you attempt to call the method before it is bound. See [breaking changes for classes](#breaking-changes-classes).
+*   The REPL no longer warns about assigning to `_`.
+*   Bugfixes for destructured nested default values and issues related to chaining or continuing expressions across multiple lines.
+
+
+```
+releaseHeader('2017-05-16', '2.0.0-beta2', '2.0.0-beta1')
+```
+
+*   This release includes [all the changes from 1.12.5 to 1.12.6](#1.12.6).
+*   Bound (fat arrow) methods in classes must be declared in the class constructor, after `super()` if the class is extending a parent class. See [breaking changes for classes](#breaking-changes-classes).
+*   All unnecessary utility helper functions have been removed, including the polyfills for `indexOf` and `bind`.
+*   The `extends` keyword now only works in the context of classes; it cannot be used to extend a function prototype. See [breaking changes for `extends`](#breaking-changes-super-extends).
+*   Literate CoffeeScript is now parsed entirely based on indentation, similar to the 1.x implementation; there is no longer a dependency for parsing Markdown. See [breaking changes for Literate CoffeeScript parsing](#breaking-changes-literate-coffeescript).
+*   JavaScript reserved words used as properties are no longer wrapped in quotes.
+*   `require('coffeescript')` should now work in non-Node environments such as the builds created by Webpack or Browserify. This provides a more convenient way to include the browser compiler in builds intending to run in a browser environment.
+*   Unreachable `break` statements are no longer added after `switch` cases that `throw` exceptions.
+*   The browser compiler is now compiled using Babili and transpiled down to Babel’s `env` preset (should be safe for use in all browsers in current use, not just evergreen versions).
+*   Calling functions `@get` or `@set` no longer throws an error about required parentheses. (Bare `get` or `set`, not attached to an object or `@`, [still intentionally throws a compiler error](#unsupported-get-set).)
+*   If `$XDG_CACHE_HOME` is set, the REPL `.coffee_history` file is saved there.
+
+```
+releaseHeader('2017-05-15', '1.12.6', '1.12.5')
+```
+
+*   The `return` and `export` keywords can now accept implicit objects (defined by indentation, without needing braces).
+*   Support Unicode code point escapes (e.g. `\u{1F4A9}`).
+*   The `coffee` command now first looks to see if CoffeeScript is installed under `node_modules` in the current folder, and executes the `coffee` binary there if so; or otherwise it runs the globally installed one. This allows you to have one version of CoffeeScript installed globally and a different one installed locally for a particular project. (Likewise for the `cake` command.)
+*   Bugfixes for chained function calls not closing implicit objects or ternaries.
+*   Bugfixes for incorrect code generated by the `?` operator within a termary `if` statement.
+*   Fixed some tests, and failing tests now result in a nonzero exit code.
 
 ```
 releaseHeader('2017-04-14', '2.0.0-beta1', '2.0.0-alpha1')
@@ -206,11 +284,6 @@ releaseHeader('2014-01-28', '1.7.0', '1.6.3')
 *   When requiring CoffeeScript files in Node you must now explicitly register the compiler. This can be done with `require 'coffeescript/register'` or `CoffeeScript.register()`. Also for configuration such as Mocha’s, use **coffeescript/register**.
 *   Improved error messages, source maps and stack traces. Source maps now use the updated `//#` syntax.
 *   Leading `.` now closes all open calls, allowing for simpler chaining syntax.
-
-```
-codeFor('chaining')
-```
-
 *   Added `**`, `//` and `%%` operators and `...` expansion in parameter lists and destructuring expressions.
 *   Multiline strings are now joined by a single space and ignore all indentation. A backslash at the end of a line can denote the amount of whitespace between lines, in both strings and heredocs. Backslashes correctly escape whitespace in block regexes.
 *   Closing brackets can now be indented and therefore no longer cause unexpected error.
@@ -241,7 +314,7 @@ releaseHeader('2013-03-18', '1.6.2', '1.6.1')
 releaseHeader('2013-03-05', '1.6.1', '1.5.0')
 ```
 
-*   First release of [source maps](#source-maps). Pass the `--map` flag to the compiler, and off you go. Direct all your thanks over to [Jason Walton](http://github.com/jwalton).
+*   First release of [source maps](#source-maps). Pass the `--map` flag to the compiler, and off you go. Direct all your thanks over to [Jason Walton](https://github.com/jwalton).
 *   Fixed a 1.5.0 regression with multiple implicit calls against an indented implicit object. Combinations of implicit function calls and implicit objects should generally be parsed better now — but it still isn’t good _style_ to nest them too heavily.
 *   `.coffee.md` is now also supported as a Literate CoffeeScript file extension, for existing tooling. `.litcoffee` remains the canonical one.
 *   Several minor fixes surrounding member properties, bound methods and `super` in class declarations.
@@ -348,7 +421,7 @@ The REPL now properly formats stacktraces, and stays alive through asynchronous
 releaseHeader('2010-11-21', '0.9.5', '0.9.4')
 ```
 
-0.9.5 should be considered the first release candidate for CoffeeScript 1.0. There have been a large number of internal changes since the previous release, many contributed from **satyr**’s [Coco](http://github.com/satyr/coco) dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions can now have default arguments. Class bodies are now executable code. Improved syntax errors for invalid CoffeeScript. `undefined` now works like `null`, and cannot be assigned a new value. There was a precedence change with respect to single-line comprehensions: `result = i for i in list`
+0.9.5 should be considered the first release candidate for CoffeeScript 1.0. There have been a large number of internal changes since the previous release, many contributed from **satyr**’s [Coco](https://github.com/satyr/coco) dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions can now have default arguments. Class bodies are now executable code. Improved syntax errors for invalid CoffeeScript. `undefined` now works like `null`, and cannot be assigned a new value. There was a precedence change with respect to single-line comprehensions: `result = i for i in list`
 used to parse as `result = (i for i in list)` by default … it now parses as
 `(result = i) for i in list`.
 
@@ -428,7 +501,7 @@ Interpolation can now be used within regular expressions and heredocs, as well a
 releaseHeader('2010-03-08', '0.5.5', '0.5.4')
 ```
 
-String interpolation, contributed by [Stan Angeloff](http://github.com/StanAngeloff). Since `--run` has been the default since **0.5.3**, updating `--stdio` and `--eval` to run by default, pass `--compile` as well if you’d like to print the result.
+String interpolation, contributed by [Stan Angeloff](https://github.com/StanAngeloff). Since `--run` has been the default since **0.5.3**, updating `--stdio` and `--eval` to run by default, pass `--compile` as well if you’d like to print the result.
 
 ```
 releaseHeader('2010-03-03', '0.5.4', '0.5.3')
@@ -447,7 +520,7 @@ releaseHeader('2010-02-25', '0.5.2', '0.5.1')
 ```
 
 Added a compressed version of the compiler for inclusion in web pages as
-`v<%= majorVersion %>/browser-compiler/coffeescript.js`. It’ll automatically run any script tags with type `text/coffeescript` for you. Added a `--stdio` option to the `coffee` command, for piped-in compiles.
+`/v<%= majorVersion %>/browser-compiler/coffeescript.js`. It’ll automatically run any script tags with type `text/coffeescript` for you. Added a `--stdio` option to the `coffee` command, for piped-in compiles.
 
 ```
 releaseHeader('2010-02-24', '0.5.1', '0.5.0')
@@ -524,7 +597,7 @@ Arguments objects are now converted into real arrays when referenced.
 releaseHeader('2010-01-05', '0.2.0', '0.1.6')
 ```
 
-Major release. Significant whitespace. Better statement-to-expression conversion. Splats. Splice literals. Object comprehensions. Blocks. The existential operator. Many thanks to all the folks who posted issues, with special thanks to [Liam O’Connor-Davis](http://github.com/liamoc) for whitespace and expression help.
+Major release. Significant whitespace. Better statement-to-expression conversion. Splats. Splice literals. Object comprehensions. Blocks. The existential operator. Many thanks to all the folks who posted issues, with special thanks to [Liam O’Connor-Davis](https://github.com/liamoc) for whitespace and expression help.
 
 ```
 releaseHeader('2009-12-27', '0.1.6', '0.1.5')
@@ -542,7 +615,7 @@ Array slice literals and array comprehensions can now both take Ruby-style range
 releaseHeader('2009-12-25', '0.1.4', '0.1.3')
 ```
 
-The official CoffeeScript extension is now `.coffee` instead of `.cs`, which properly belongs to [C#](http://en.wikipedia.org/wiki/C_Sharp_(programming_language)). Due to popular demand, you can now also use `=` to assign. Unlike JavaScript, `=` can also be used within object literals, interchangeably with `:`. Made a grammatical fix for chained function calls like `func(1)(2)(3)(4)`. Inheritance and super no longer use `__proto__`, so they should be IE-compatible now.
+The official CoffeeScript extension is now `.coffee` instead of `.cs`, which properly belongs to [C#](https://en.wikipedia.org/wiki/C_Sharp_(programming_language)). Due to popular demand, you can now also use `=` to assign. Unlike JavaScript, `=` can also be used within object literals, interchangeably with `:`. Made a grammatical fix for chained function calls like `func(1)(2)(3)(4)`. Inheritance and super no longer use `__proto__`, so they should be IE-compatible now.
 
 ```
 releaseHeader('2009-12-25', '0.1.3', '0.1.2')

documentation/sections/coffeescript_2.md

@@ -1,21 +1,17 @@
 ## CoffeeScript 2
 
-### Why CoffeeScript When There’s ES2015+?
+### What’s New In CoffeeScript 2?
+
+The biggest change in CoffeeScript 2 is that now the CoffeeScript compiler produces modern, ES2015+ JavaScript. A CoffeeScript `=>` becomes an ES `=>`, a CoffeeScript `class` becomes an ES `class` and so on. With the exception of [modules](#modules) (`import` and `export` statements) and [JSX](#jsx), all the ES2015+ features that CoffeeScript supports can run natively in Node 7.6+, meaning that Node can run CoffeeScript’s output without any further processing required. You can [run the tests in your browser](http://coffeescript.org/v<%= majorVersion %>/test.html) to see if your browser can do the same; Chrome has supported all features since version 55.
+
+Support for ES2015+ syntax is important to ensure compatibility with frameworks that assume ES2015. Now that CoffeeScript compiles classes to the ES `class` keyword, it’s possible to `extend` an ES class; that wasn’t possible in CoffeeScript 1. Parity in how language features work is also important on its own; CoffeeScript “is just JavaScript,” and so things like [function parameter default values](#breaking-changes-default-values) should behave the same in CoffeeScript as in JavaScript.
+
+Many ES2015+ features have been backported to CoffeeScript 1.11 and 1.12, including [modules](#modules), [`for…of`](#generator-iteration), and [tagged template literals](#tagged-template-literals). Major new features unique to CoffeeScript 2 are support for ES2017’s [async functions](#async-functions) and for [JSX](#jsx). More details are in the [changelog](#changelog).
+
+There are very few [breaking changes from CoffeeScript 1.x to 2](#breaking-changes); we hope the upgrade process is smooth for most projects.
+
+### Why CoffeeScript When There’s ES2015?
 
 CoffeeScript introduced many new features to the JavaScript world, such as [`=>`](#fat-arrow) and [destructuring](#destructuring) and [classes](#classes). We are happy that ECMA has seen their utility and adopted them into ECMAScript.
 
-CoffeeScript’s intent, however, was never to be a superset of JavaScript. One of the guiding principles of CoffeeScript has been _simplicity:_ not just removing JavaScript’s “bad parts,” but providing a cleaner, terser syntax that uses less punctuation and enforces indentation, to make code easier to read and reason about. Increased clarity leads to increased quality, and fewer bugs. This benefit of CoffeeScript remains, even in an ES2015+ world.
-
-### ES2015+ Output
-
-CoffeeScript 2 supports many of the latest ES2015+ features, output using ES2015+ syntax. If you’re looking for a single tool that takes CoffeeScript input and generates JavaScript output that runs in any JavaScript runtime, assuming you opt out of certain newer features, stick to the [CoffeeScript 1.x branch](/v1/). CoffeeScript 2 [breaks compatibility](#breaking-changes) with certain CoffeeScript 1.x features in order to conform with the ES2015+ specifications, and generate more idiomatic output (a CoffeeScript `=>` becomes an ES `=>`; a CoffeeScript `class` becomes an ES `class`; and so on).
-
-Since the CoffeeScript 2 compiler outputs ES2015+ syntax, it is your responsibility to either ensure that your target JavaScript runtime(s) support all these features, or that you pass the output through another transpiler like [Babel](http://babeljs.io/), [Rollup](https://github.com/rollup/rollup) or [Traceur Compiler](https://github.com/google/traceur-compiler). In general, [CoffeeScript 2’s output is supported as is by Node.js 7.6+](http://node.green/), except for modules which require transpilation.
-
-There are many great task runners for setting up JavaScript build chains, such as [Gulp](http://gulpjs.com/), [Webpack](https://webpack.github.io/), [Grunt](https://gruntjs.com/) and [Broccoli](http://broccolijs.com/). If you’re looking for a very minimal solution to get started, you can use [babel-preset-env](https://babeljs.io/docs/plugins/preset-env/) and the command line:
-
-```bash
-npm install --global coffeescript@next
-npm install --save-dev coffeescript@next babel-cli babel-preset-env
-coffee -p *.coffee | babel --presets env > app.js
-```
+CoffeeScript’s intent, however, was never to be a superset of JavaScript. One of the guiding principles of CoffeeScript has been _simplicity:_ not just removing JavaScript’s “bad parts,” but providing an elegant, concise syntax that eschews unnecessary punctuation whenever possible, to make code easier to read and reason about. This benefit of CoffeeScript remains, even in an ES2015 world.

documentation/sections/command_line_interface.md

@@ -0,0 +1,37 @@
+### Command Line
+
+Once installed, you should have access to the `coffee` command, which can execute scripts, compile `.coffee` files into `.js`, and provide an interactive REPL. The `coffee` command takes the following options:
+
+| Option | Description |
+| --- | --- |
+| `-c, --compile` | Compile a `.coffee` script into a `.js` JavaScript file of the same name. |
+| `-m, --map` | Generate source maps alongside the compiled JavaScript files. Adds `sourceMappingURL` directives to the JavaScript as well. |
+| `-M, --inline-map` | Just like `--map`, but include the source map directly in the compiled JavaScript files, rather than in a separate file. |
+| `-i, --interactive` | Launch an interactive CoffeeScript session to try short snippets. Identical to calling `coffee` with no arguments. |
+| `-o, --output [DIR]` | Write out all compiled JavaScript files into the specified directory. Use in conjunction with `--compile` or `--watch`. |
+| `-w, --watch` | Watch files for changes, rerunning the specified command when any file is updated. |
+| `-p, --print` | Instead of writing out the JavaScript as a file, print it directly to **stdout**. |
+| `-s, --stdio` | Pipe in CoffeeScript to STDIN and get back JavaScript over STDOUT. Good for use with processes written in other languages. An example:<br>`cat src/cake.coffee | coffee -sc` |
+| `-l, --literate` | Parses the code as Literate CoffeeScript. You only need to specify this when passing in code directly over **stdio**, or using some sort of extension-less file name. |
+| `-e, --eval` | Compile and print a little snippet of CoffeeScript directly from the command line. For example:<br>`coffee -e "console.log num for num in [10..1]"` |
+| `-r, --require [MODULE]`&emsp; | `require()` the given module before starting the REPL or evaluating the code given with the `--eval` flag. |
+| `-b, --bare` | Compile the JavaScript without the [top-level function safety wrapper](#lexical-scope). |
+| `-t, --tokens` | Instead of parsing the CoffeeScript, just lex it, and print out the token stream. Used for debugging the compiler. |
+| `-n, --nodes` | Instead of compiling the CoffeeScript, just lex and parse it, and print out the parse tree. Used for debugging the compiler. |
+| `--nodejs` | The `node` executable has some useful options you can set, such as `--debug`, `--debug-brk`, `--max-stack-size`, and `--expose-gc`. Use this flag to forward options directly to Node.js. To pass multiple flags, use `--nodejs` multiple times. |
+| `--no-header` | Suppress the “Generated by CoffeeScript” header. |
+
+#### Examples:
+
+*   Compile a directory tree of `.coffee` files in `src` into a parallel tree of `.js` files in `lib`:<br>
+    `coffee --compile --output lib/ src/`
+*   Watch a file for changes, and recompile it every time the file is saved:<br>
+    `coffee --watch --compile experimental.coffee`
+*   Concatenate a list of files into a single script:<br>
+    `coffee --join project.js --compile src/*.coffee`
+*   Print out the compiled JS from a one-liner:<br>
+    `coffee -bpe "alert i for i in [0..10]"`
+*   All together now, watch and recompile an entire project as you work on it:<br>
+    `coffee -o lib/ -cw src/`
+*   Start the CoffeeScript REPL (`Ctrl-D` to exit, `Ctrl-V`for multi-line):<br>
+    `coffee`

documentation/sections/comments.md

@@ -1,13 +1,9 @@
 ## Comments
 
-In CoffeeScript, comments are denoted by the `#` character. Everything from a `#` to the end of the line is ignored by the compiler, and will be excluded from the JavaScript output.
+In CoffeeScript, comments are denoted by the `#` character to the end of a line, or from `###` to the next appearance of `###`. Comments are ignored by the compiler, though the compiler makes its best effort at reinserting your comments into the output JavaScript after compilation.
 
 ```
 codeFor('comment')
 ```
 
-Sometimes you’d like to pass a block comment through to the generated JavaScript. For example, when you need to embed a licensing header at the top of a file. Block comments, which mirror the syntax for block strings, are preserved in the generated output.
-
-```
-codeFor('block_comment')
-```
+Inline `###` comments make [type annotations](#type-annotations) possible.

documentation/sections/comparisons.md

@@ -1,6 +1,6 @@
 ## Chained Comparisons
 
-CoffeeScript borrows [chained comparisons](http://docs.python.org/reference/expressions.html#notin) from Python — making it easy to test if a value falls within a certain range.
+CoffeeScript borrows [chained comparisons](https://docs.python.org/3/reference/expressions.html#not-in) from Python — making it easy to test if a value falls within a certain range.
 
 ```
 codeFor('comparisons', 'healthy')

documentation/sections/conditionals.md

@@ -1,8 +1,8 @@
 ## If, Else, Unless, and Conditional Assignment
 
-**If/else** statements can be written without the use of parentheses and curly brackets. As with functions and other block expressions, multi-line conditionals are delimited by indentation. There’s also a handy postfix form, with the `if` or `unless` at the end.
+`if`/`else` statements can be written without the use of parentheses and curly brackets. As with functions and other block expressions, multi-line conditionals are delimited by indentation. There’s also a handy postfix form, with the `if` or `unless` at the end.
 
-CoffeeScript can compile **if** statements into JavaScript expressions, using the ternary operator when possible, and closure wrapping otherwise. There is no explicit ternary statement in CoffeeScript — you simply use a regular **if** statement on a single line.
+CoffeeScript can compile `if` statements into JavaScript expressions, using the ternary operator when possible, and closure wrapping otherwise. There is no explicit ternary statement in CoffeeScript — you simply use a regular `if` statement on a single line.
 
 ```
 codeFor('conditionals')

documentation/sections/destructuring.md

@@ -36,4 +36,4 @@ Destructuring assignment is also useful when combined with class constructors to
 codeFor('constructor_destructuring', 'tim.age + " " + tim.height')
 ```
 
-The above example also demonstrates that if properties are missing in the destructured object or array, you can, just like in JavaScript, provide defaults. The difference with JavaScript is that CoffeeScript, as always, treats both null and undefined the same.
+The above example also demonstrates that if properties are missing in the destructured object or array, you can, just like in JavaScript, provide defaults. Note though that unlike with the existential operator, the default is only applied with the value is missing or `undefined`—[passing `null` will set a value of `null`](#breaking-changes-default-values), not the default.

documentation/sections/es2015plus_output.md

@@ -0,0 +1,15 @@
+### ES2015+ Output
+
+CoffeeScript 2 outputs the latest ES2015+ syntax. If you’re looking for a single tool that takes CoffeeScript input and generates JavaScript output that runs in any JavaScript runtime, assuming you opt out of certain newer features, stick to [CoffeeScript 1.x](/v1/). CoffeeScript 2 [breaks compatibility](#breaking-changes) with certain CoffeeScript 1.x features in order to conform with the ES2015+ specifications, and generate more idiomatic output (a CoffeeScript `=>` becomes an ES `=>`; a CoffeeScript `class` becomes an ES `class`; and so on).
+
+Since the CoffeeScript 2 compiler outputs ES2015+ syntax, it is your responsibility to either ensure that your target JavaScript runtime(s) support all these features, or that you pass the output through another transpiler like [Babel](http://babeljs.io/), [Rollup](https://github.com/rollup/rollup) or [Traceur Compiler](https://github.com/google/traceur-compiler). In general, [CoffeeScript 2’s output is supported as is by Node.js 7.6+](http://node.green/), except for modules and JSX which require transpilation.
+
+There are many great task runners for setting up JavaScript build chains, such as [Gulp](http://gulpjs.com/), [Webpack](https://webpack.github.io/), [Grunt](https://gruntjs.com/) and [Broccoli](http://broccolijs.com/). If you’re looking for a very minimal solution to get started, you can use [babel-preset-env](https://babeljs.io/docs/plugins/preset-env/) and the command line:
+
+```bash
+npm install --global coffeescript@next
+npm install --save-dev coffeescript@next babel-cli babel-preset-env
+coffee --print *.coffee | babel --presets env > app.js
+```
+
+Note that [babel-preset-env](https://babeljs.io/docs/plugins/preset-env/) doesn’t automatically supply polyfills for your code. CoffeeScript itself will output [`Array.indexOf`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf) if you use the `in` operator, or destructuring or spread/rest syntax; and [`Function.bind`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind) if you use a bound (`=>`) method in a class. Both are supported in Internet Explorer 9+ and all more recent browsers, but you will need to supply polyfills if you need to support Internet Explorer 8 or below and are using features that would cause these methods to be output, or in your own code are using similarly modern methods. One option is [`babel-polyfill`](https://babeljs.io/docs/usage/polyfill/), though there are many [other](https://hackernoon.com/polyfills-everything-you-ever-wanted-to-know-or-maybe-a-bit-less-7c8de164e423) [strategies](https://philipwalton.com/articles/loading-polyfills-only-when-needed/).

documentation/sections/examples.md

@@ -2,10 +2,9 @@
 
 The [best list of open-source CoffeeScript examples](https://github.com/trending?l=coffeescript&since=monthly) can be found on GitHub. But just to throw out a few more:
 
-*   **GitHub**’s [Hubot](http://hubot.github.com/), a friendly IRC robot that can perform any number of useful and useless tasks.
+*   **GitHub**’s [Hubot](https://hubot.github.com/), a friendly IRC robot that can perform any number of useful and useless tasks.
 *   **sstephenson**’s [Pow](http://pow.cx/), a zero-configuration Rack server, with comprehensive annotated source.
 *   **technoweenie**’s [Coffee-Resque](https://github.com/technoweenie/coffee-resque), a port of [Resque](https://github.com/defunkt/resque) for Node.js.
-*   **assaf**’s [Zombie.js](http://zombie.labnotes.org/), a headless, full-stack, faux-browser testing library for Node.js.
 *   **stephank**’s [Orona](https://github.com/stephank/orona), a remake of the Bolo tank game for modern browsers.
 *   **GitHub**’s [Atom](https://atom.io/), a hackable text editor built on web technologies.
 *   **Basecamp**’s [Trix](https://trix-editor.org/), a rich text editor for web apps.

documentation/sections/existential_operator.md

@@ -1,17 +1,37 @@
 ## The Existential Operator
 
-It’s a little difficult to check for the existence of a variable in JavaScript. `if (variable) …` comes close, but fails for zero, the empty string, and false. CoffeeScript’s existential operator `?` returns true unless a variable is **null** or **undefined**, which makes it analogous to Ruby’s `nil?`
+It’s a little difficult to check for the existence of a variable in JavaScript. `if (variable) …` comes close, but fails for zero, the empty string, and false (to name just the most common cases). CoffeeScript’s existential operator `?` returns true unless a variable is `null` or `undefined` or undeclared, which makes it analogous to Ruby’s `nil?`.
 
-It can also be used for safer conditional assignment than `||=` provides, for cases where you may be handling numbers or strings.
+It can also be used for safer conditional assignment than the JavaScript pattern `a = a || value` provides, for cases where you may be handling numbers or strings.
 
 ```
 codeFor('existence', 'footprints')
 ```
 
-The accessor variant of the existential operator `?.` can be used to soak up null references in a chain of properties. Use it instead of the dot accessor `.` in cases where the base value may be **null** or **undefined**. If all of the properties exist then you’ll get the expected result, if the chain is broken, **undefined** is returned instead of the **TypeError** that would be raised otherwise.
+Note that if the compiler knows that `a` is in scope and therefore declared, `a?` compiles to `a != null`, _not_ `a !== null`. The `!=` makes a loose comparison to `null`, which does double duty also comparing against `undefined`. The reverse also holds for `not a?` or `unless a?`.
+
+```
+codeFor('existence_declared')
+```
+
+If a variable might be undeclared, the compiler does a thorough check. This is what JavaScript coders _should_ be typing when they want to check if a mystery variable exists.
+
+```
+codeFor('existence_undeclared')
+```
+
+The accessor variant of the existential operator `?.` can be used to soak up null references in a chain of properties. Use it instead of the dot accessor `.` in cases where the base value may be `null` or `undefined`. If all of the properties exist then you’ll get the expected result, if the chain is broken, `undefined` is returned instead of the `TypeError` that would be raised otherwise.
 
 ```
 codeFor('soaks')
 ```
 
-Soaking up nulls is similar to Ruby’s [andand gem](https://rubygems.org/gems/andand), and to the [safe navigation operator](http://docs.groovy-lang.org/latest/html/documentation/index.html#_safe_navigation_operator) in Groovy.
+For completeness:
+
+| Example | Definition |
+| --- | --- |
+| `a?` | tests that `a` is in scope and `a != null` |
+| `a ? b` | returns `a` if `a` is in scope and `a != null`; otherwise, `b` |
+| `a?.b` or `a?['b']` | returns `a.b` if `a` is in scope and `a != null`; otherwise, `undefined` |
+| `a?(b, c)` or `a? b, c`  | returns the result of calling `a` (with arguments `b` and `c`) if `a` is in scope and callable; otherwise, `undefined` |
+| `a ?= b` | assigns the value of `b` to `a` if `a` is not in scope or if `a == null`; produces the new value of `a` |

documentation/sections/expressions.md

@@ -20,7 +20,7 @@ Things that would otherwise be statements in JavaScript, when used as part of an
 codeFor('expressions_comprehension', 'globals')
 ```
 
-As well as silly things, like passing a **try/catch** statement directly into a function call:
+As well as silly things, like passing a `try`/`catch` statement directly into a function call:
 
 ```
 codeFor('expressions_try', true)

documentation/sections/fat_arrow.md

@@ -1,4 +1,4 @@
-## Function Modifiers
+## Bound (Fat Arrow) Functions
 
 In JavaScript, the `this` keyword is dynamically scoped to mean the object that the current function is attached to. If you pass a function as a callback or attach it to a different object, the original value of `this` will be lost. If you’re not familiar with this behavior, [this Digital Web article](http://64.13.255.16/articles/scope_in_javascript/) gives a good overview of the quirks.
 
@@ -10,24 +10,4 @@ codeFor('fat_arrow')
 
 If we had used `->` in the callback above, `@customer` would have referred to the undefined “customer” property of the DOM element, and trying to call `purchase()` on it would have raised an exception.
 
-When used in a class definition, methods declared with the fat arrow will be automatically bound to each instance of the class when the instance is constructed.
-
-CoffeeScript also supports [generator functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*) and [async functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function) through the `yield` and `await` keywords respectively. There's no `function*(){}` or `async function(){}` nonsense — a generator in CoffeeScript is simply a function that yields, and an async function in CoffeeScript is simply a function that awaits.
-
-```
-codeFor('generators', 'ps.next().value')
-```
-
-`yield*` is called `yield from`, and `yield return` may be used if you need to force a generator that doesn’t yield.
-
-You can iterate over a generator function using `for…from`.
-
-```
-codeFor('generator_iteration', 'getFibonacciNumbers(10)')
-```
-
-Similar to how `yield return` forces a generator, `await return` may be used to force a function to be async.
-
-```
-codeFor('async', true)
-```
+The fat arrow was one of the most popular features of CoffeeScript, and ES2015 [adopted it](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions); so CoffeeScript 2 compiles `=>` to ES `=>`.

documentation/sections/generators.md

@@ -0,0 +1,17 @@
+## Generator Functions
+
+CoffeeScript supports ES2015 [generator functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*) through the `yield` keyword. There's no `function*(){}` nonsense — a generator in CoffeeScript is simply a function that yields.
+
+```
+codeFor('generators', 'ps.next().value')
+```
+
+`yield*` is called `yield from`, and `yield return` may be used if you need to force a generator that doesn’t yield.
+
+<div id="generator-iteration" class="bookmark"></div>
+
+You can iterate over a generator function using `for…from`.
+
+```
+codeFor('generator_iteration', 'getFibonacciNumbers(10)')
+```

documentation/sections/installation.md

@@ -1,15 +1,19 @@
 ## Installation
 
-The command-line version of `coffee` is available as a [Node.js](http://nodejs.org/) utility. The [core compiler](/v<%= majorVersion %>/browser-compiler/coffeescript.js) however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see [Try CoffeeScript](#try)).
+The command-line version of `coffee` is available as a [Node.js](https://nodejs.org/) utility. The [core compiler](/v<%= majorVersion %>/browser-compiler/coffeescript.js) however, does not depend on Node, and can be run in any JavaScript environment, or in the browser (see [Try CoffeeScript](#try)).
 
-To install, first make sure you have a working copy of the latest stable version of [Node.js](http://nodejs.org/). You can then install CoffeeScript globally with [npm](http://npmjs.org):
+To install, first make sure you have a working copy of the latest stable version of [Node.js](https://nodejs.org/). You can then install CoffeeScript globally with [npm](https://www.npmjs.com/):
 
 ```bash
 npm install --global coffeescript@next
 ```
 
+This will make the `coffee` and `cake` commands available globally.
+
 When you need CoffeeScript as a dependency of a project, within that project’s folder you can install it locally:
 
 ```bash
 npm install --save coffeescript@next
 ```
+
+The `coffee` and `cake` commands will first look in the current folder to see if CoffeeScript is installed locally, and use that version if so. This allows different versions of CoffeeScript to be installed globally and locally.

documentation/sections/introduction.md

@@ -2,7 +2,7 @@
 
 The golden rule of CoffeeScript is: _“It’s just JavaScript.”_ The code compiles one-to-one into the equivalent JS, and there is no interpretation at runtime. You can use any existing JavaScript library seamlessly from CoffeeScript (and vice-versa). The compiled output is readable, pretty-printed, and tends to run as fast or faster than the equivalent handwritten JavaScript.
 
-**Latest Version:** [<%= fullVersion %>](http://github.com/jashkenas/coffeescript/tarball/<%= fullVersion %>)
+**Latest Version:** [<%= fullVersion %>](https://github.com/jashkenas/coffeescript/tarball/<%= fullVersion %>)
 
 ```bash
 npm install -g coffeescript@next

documentation/sections/jsx.md

@@ -0,0 +1,13 @@
+## JSX
+
+[JSX](https://facebook.github.io/react/docs/introducing-jsx.html) is JavaScript containing interspersed XML elements. While conceived for [React](https://facebook.github.io/react/), it is not specific to any particular library or framework.
+
+CoffeeScript supports interspersed XML elements, without the need for separate plugins or special settings. The XML elements will be compiled as such, outputting JSX that could be parsed like any normal JSX file, for example by [Babel with the React JSX transform](https://babeljs.io/docs/plugins/transform-react-jsx/). CoffeeScript does _not_ output `React.createElement` calls or any code specific to React or any other framework. It is up to you to attach another step in your build chain to convert this JSX to whatever function calls you wish the XML elements to compile to.
+
+Just like in JSX and HTML, denote XML tags using `<` and `>`. You can interpolate CoffeeScript code inside a tag using `{` and `}`. To avoid compiler errors, when using `<` and `>` to mean “less than” or “greater than,” you should wrap the operators in spaces to distinguish them from XML tags. So `i < len`, not `i<len`. The compiler tries to be forgiving when it can be sure what you intend, but always putting spaces around the “less than” and “greater than” operators will remove ambiguity.
+
+```
+codeFor('jsx')
+```
+
+Older plugins or forks of CoffeeScript supported JSX syntax and referred to it as CSX or CJSX. They also often used a `.cjsx` file extension, but this is no longer necessary; regular `.coffee` will do.

documentation/sections/lexical_scope.md

@@ -6,10 +6,12 @@ The CoffeeScript compiler takes care to make sure that all of your variables are
 codeFor('scope', 'inner')
 ```
 
-Notice how all of the variable declarations have been pushed up to the top of the closest scope, the first time they appear. **outer** is not redeclared within the inner function, because it’s already in scope; **inner** within the function, on the other hand, should not be able to change the value of the external variable of the same name, and therefore has a declaration of its own.
+Notice how all of the variable declarations have been pushed up to the top of the closest scope, the first time they appear. `outer` is not redeclared within the inner function, because it’s already in scope; `inner` within the function, on the other hand, should not be able to change the value of the external variable of the same name, and therefore has a declaration of its own.
 
-This behavior is effectively identical to Ruby’s scope for local variables. Because you don’t have direct access to the `var` keyword, it’s impossible to shadow an outer variable on purpose, you may only refer to it. So be careful that you’re not reusing the name of an external variable accidentally, if you’re writing a deeply nested function.
+Because you don’t have direct access to the `var` keyword, it’s impossible to shadow an outer variable on purpose, you may only refer to it. So be careful that you’re not reusing the name of an external variable accidentally, if you’re writing a deeply nested function.
 
-Although suppressed within this documentation for clarity, all CoffeeScript output is wrapped in an anonymous function: `(function(){ … })();` This safety wrapper, combined with the automatic generation of the `var` keyword, make it exceedingly difficult to pollute the global namespace by accident.
+Although suppressed within this documentation for clarity, all CoffeeScript output (except in files with `import` or `export` statements) is wrapped in an anonymous function: `(function(){ … })();`. This safety wrapper, combined with the automatic generation of the `var` keyword, make it exceedingly difficult to pollute the global namespace by accident. (The safety wrapper can be disabled with the [`bare` option](#usage), and is unnecessary and automatically disabled when using modules.)
 
-If you’d like to create top-level variables for other scripts to use, attach them as properties on **window**; attach them as properties on the **exports** object in CommonJS; or use an [`export` statement](#modules). If you’re targeting both CommonJS and the browser, the **existential operator** (covered below), gives you a reliable way to figure out where to add them: `exports ? this`
+If you’d like to create top-level variables for other scripts to use, attach them as properties on `window`; attach them as properties on the `exports` object in CommonJS; or use an [`export` statement](#modules). If you’re targeting both CommonJS and the browser, the [existential operator](#existential-operator) (covered below), gives you a reliable way to figure out where to add them: `exports ? this`.
+
+Since CoffeeScript takes care of all variable declaration, it is not possible to declare variables with ES2015’s `let` or `const`. [This is intentional](#unsupported-let-const); we feel that the simplicity gained by not having to think about variable declaration outweighs the benefit of having three separate ways to declare variables.

documentation/sections/literate.md

@@ -1,5 +1,11 @@
 ## Literate CoffeeScript
 
-Besides being used as an ordinary programming language, CoffeeScript may also be written in “literate” mode. If you name your file with a `.litcoffee` extension, you can write it as a Markdown document — a document that also happens to be executable CoffeeScript code. The compiler will treat any indented blocks (Markdown’s way of indicating source code) as code, and ignore the rest as comments.
+Besides being used as an ordinary programming language, CoffeeScript may also be written in “literate” mode. If you name your file with a `.litcoffee` extension, you can write it as a Markdown document — a document that also happens to be executable CoffeeScript code. The compiler will treat any indented blocks (Markdown’s way of indicating source code) as executable code, and ignore the rest as comments. Code blocks must also be separated from comments by at least one blank line.
 
-Just for kicks, a little bit of the compiler is currently implemented in this fashion: See it [as a document](https://gist.github.com/jashkenas/3fc3c1a8b1009c00d9df), [raw](https://raw.github.com/jashkenas/coffeescript/master/src/scope.litcoffee), and [properly highlighted in a text editor](http://cl.ly/LxEu).
+Just for kicks, a little bit of the compiler is currently implemented in this fashion: See it [as a document](https://gist.github.com/jashkenas/3fc3c1a8b1009c00d9df), [raw](https://raw.githubusercontent.com/jashkenas/coffeescript/master/src/scope.litcoffee), and [properly highlighted in a text editor](http://cl.ly/LxEu).
+
+A few caveats:
+
+* Code blocks need to maintain consistent indentation relative to each other. When the compiler parses your Literate CoffeeScript file, it first discards all the non-code block lines and then parses the remainder as a regular CoffeeScript file. Therefore the code blocks need to be written as if the comment lines don’t exist, with consistent indentation (including whether they are indented with tabs or spaces).
+* Along those lines, code blocks within list items or blockquotes are not treated as executable code. Since list items and blockquotes imply their own indentation, it would be ambiguous how to treat indentation between successive code blocks when some are within these other blocks and some are not.
+* List items can be at most only one paragraph long. The second paragraph of a list item would be indented after a blank line, and therefore indistinguishable from a code block.

documentation/sections/loops.md

@@ -1,12 +1,12 @@
 ## Loops and Comprehensions
 
-Most of the loops you’ll write in CoffeeScript will be **comprehensions** over arrays, objects, and ranges. Comprehensions replace (and compile into) **for** loops, with optional guard clauses and the value of the current array index. Unlike for loops, array comprehensions are expressions, and can be returned and assigned.
+Most of the loops you’ll write in CoffeeScript will be **comprehensions** over arrays, objects, and ranges. Comprehensions replace (and compile into) `for` loops, with optional guard clauses and the value of the current array index. Unlike for loops, array comprehensions are expressions, and can be returned and assigned.
 
 ```
 codeFor('array_comprehensions')
 ```
 
-Comprehensions should be able to handle most places where you otherwise would use a loop, **each**/**forEach**, **map**, or **select**/**filter**, for example:<br>
+Comprehensions should be able to handle most places where you otherwise would use a loop, `each`/`forEach`, `map`, or `select`/`filter`, for example:<br>
 `shortNames = (name for name in list when name.length < 5)`<br>
 If you know the start and end of your loop, or would like to step through in fixed-size increments, you can use a range to specify the start and end of your comprehension.
 
@@ -32,13 +32,13 @@ If you would like to iterate over just the keys that are defined on the object i
 
 To iterate a generator function, use `from`. See [Generator Functions](#generator-iteration).
 
-The only low-level loop that CoffeeScript provides is the **while** loop. The main difference from JavaScript is that the **while** loop can be used as an expression, returning an array containing the result of each iteration through the loop.
+The only low-level loop that CoffeeScript provides is the `while` loop. The main difference from JavaScript is that the `while` loop can be used as an expression, returning an array containing the result of each iteration through the loop.
 
 ```
 codeFor('while', 'lyrics.join("\\n")')
 ```
 
-For readability, the **until** keyword is equivalent to `while not`, and the **loop** keyword is equivalent to `while true`.
+For readability, the `until` keyword is equivalent to `while not`, and the `loop` keyword is equivalent to `while true`.
 
 When using a JavaScript loop to generate functions, it’s common to insert a closure wrapper in order to ensure that loop variables are closed over, and all the generated functions don’t just share the final values. CoffeeScript provides the `do` keyword, which immediately invokes a passed function, forwarding any arguments.
 

documentation/sections/modules.md

@@ -6,6 +6,8 @@ ES2015 modules are supported in CoffeeScript, with very similar `import` and `ex
 codeFor('modules')
 ```
 
+<div id="modules-note" class="bookmark"></div>
+
 Note that the CoffeeScript compiler **does not resolve modules**; writing an `import` or `export` statement in CoffeeScript will produce an `import` or `export` statement in the resulting output. It is your responsibility attach another transpiler, such as [Traceur Compiler](https://github.com/google/traceur-compiler), [Babel](http://babeljs.io/) or [Rollup](https://github.com/rollup/rollup), to convert this ES2015 syntax into code that will work in your target runtimes.
 
 Also note that any file with an `import` or `export` statement will be output without a [top-level function safety wrapper](#lexical-scope); in other words, importing or exporting modules will automatically trigger [bare](#usage) mode for that file. This is because per the ES2015 spec, `import` or `export` statements must occur at the topmost scope.

documentation/sections/nodejs_usage.md

@@ -0,0 +1,25 @@
+### Node.js
+
+If you’d like to use Node.js’ CommonJS to `require` CoffeeScript files, e.g. `require './app.coffee'`, you must first “register” CoffeeScript as an extension:
+
+```coffee
+require 'coffeescript/register'
+
+App = require './app' # The .coffee extension is optional
+```
+
+If you want to use the compiler’s API, for example to make an app that compiles strings of CoffeeScript on the fly, you can `require` the full module:
+
+```coffee
+CoffeeScript = require 'coffeescript'
+
+eval CoffeeScript.compile 'console.log "Mmmmm, I could really go for some #{Math.pi}"'
+```
+
+The `compile` method has the signature `compile(code, options)` where `code` is a string of CoffeeScript code, and the optional `options` is an object with some or all of the following properties:
+
+* `options.sourceMap`, boolean: if true, a source map will be generated; and instead of returning a string, `compile` will return an object of the form `{js, v3SourceMap, sourceMap}`.
+* `options.inlineMap`, boolean: if true, output the source map as a base64-encoded string in a comment at the bottom.
+* `options.filename`, string: the filename to use for the source map. It can include a path (relative or absolute).
+* `options.bare`, boolean: if true, output without the [top-level function safety wrapper](#lexical-scope).
+* `options.header`, boolean: if true, output the `Generated by CoffeeScript` header.

documentation/sections/operators.md

@@ -6,7 +6,7 @@ You can use `not` as an alias for `!`.
 
 For logic, `and` compiles to `&&`, and `or` into `||`.
 
-Instead of a newline or semicolon, `then` can be used to separate conditions from expressions, in **while**, **if**/**else**, and **switch**/**when** statements.
+Instead of a newline or semicolon, `then` can be used to separate conditions from expressions, in `while`, `if`/`else`, and `switch`/`when` statements.
 
 As in [YAML](http://yaml.org/), `on` and `yes` are the same as boolean `true`, while `off` and `no` are boolean `false`.
 
@@ -16,7 +16,9 @@ As a shortcut for `this.property`, you can use `@property`.
 
 You can use `in` to test for array presence, and `of` to test for JavaScript object-key presence.
 
-To simplify math expressions, `**` can be used for exponentiation and `//` performs integer division. `%` works just like in JavaScript, while `%%` provides [“dividend dependent modulo”](http://en.wikipedia.org/wiki/Modulo_operation):
+In a `for` loop, `from` compiles to the [ES2015 `of`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of). (Yes, it’s unfortunate; the CoffeeScript `of` predates the ES2015 `of`.)
+
+To simplify math expressions, `**` can be used for exponentiation and `//` performs integer division. `%` works just like in JavaScript, while `%%` provides [“dividend dependent modulo”](https://en.wikipedia.org/wiki/Modulo_operation):
 
 ```
 codeFor('modulo')
@@ -34,8 +36,9 @@ All together now:
 | `true`, `yes`, `on` | `true` |
 | `false`, `no`, `off`  | `false` |
 | `@`, `this` | `this` |
-| `of` | `in` |
-| `in` | _no JS equivalent_ |
+| `a in b` | `[].indexOf.call(b, a) >= 0` |
+| `a of b` | `a in b` |
+| `for a from b` | `for (a of b)` |
 | `a ** b` | `Math.pow(a, b)` |
 | `a // b` | `Math.floor(a / b)` |
 | `a %% b` | `(a % b + b) % b` |

documentation/sections/overview.md

@@ -1,6 +1,6 @@
 ## Overview
 
-_CoffeeScript on the <span class="hidden-md-up">top</span><span class="hidden-sm-down">left</span>, compiled JavaScript output on the <span class="hidden-md-up">bottom</span><span class="hidden-sm-down">right</span>. The CoffeeScript is editable!_
+_CoffeeScript on the <span class="d-md-none">top</span><span class="d-none d-md-inline">left</span>, compiled JavaScript output on the <span class="d-md-none">bottom</span><span class="d-none d-md-inline">right</span>. The CoffeeScript is editable!_
 
 ```
 codeFor('overview', 'cubes', false)

documentation/sections/prototypal_inheritance.md

@@ -1,6 +1,6 @@
 ## Prototypal Inheritance
 
-In addition to supporting ES2015 classes, CoffeeScript provides a few shortcuts for working with prototypes. The `extends` operator can be used to create an inheritance chain between any pair of constructor functions, and `::` gives you quick access to an object’s prototype:
+In addition to supporting ES2015 classes, CoffeeScript provides a shortcut for working with prototypes. The `::` operator gives you quick access to an object’s prototype:
 
 ```
 codeFor('prototypes', '"one_two".dasherize()')

documentation/sections/resources.md

@@ -1,13 +1,13 @@
 ## Resources
 
-*   [CoffeeScript on GitHub](http://github.com/jashkenas/coffeescript/)
-*   [CoffeeScript Issues](http://github.com/jashkenas/coffeescript/issues)<br>
+*   [CoffeeScript on GitHub](https://github.com/jashkenas/coffeescript/)
+*   [CoffeeScript Issues](https://github.com/jashkenas/coffeescript/issues)<br>
     Bug reports, feature proposals, and ideas for changes to the language belong here.
 *   [CoffeeScript Google Group](https://groups.google.com/forum/#!forum/coffeescript)<br>
     If you’d like to ask a question, the mailing list is a good place to get help.
-*   [The CoffeeScript Wiki](http://github.com/jashkenas/coffeescript/wiki)<br>
-    If you’ve ever learned a neat CoffeeScript tip or trick, or ran into a gotcha — share it on the wiki. The wiki also serves as a directory of handy [text editor extensions](http://github.com/jashkenas/coffeescript/wiki/Text-editor-plugins), [web framework plugins](http://github.com/jashkenas/coffeescript/wiki/Web-framework-plugins), and general [CoffeeScript build tools](http://github.com/jashkenas/coffeescript/wiki/Build-tools).
-*   [The FAQ](http://github.com/jashkenas/coffeescript/wiki/FAQ)<br>
+*   [The CoffeeScript Wiki](https://github.com/jashkenas/coffeescript/wiki)<br>
+    If you’ve ever learned a neat CoffeeScript tip or trick, or ran into a gotcha — share it on the wiki. The wiki also serves as a directory of handy [text editor extensions](https://github.com/jashkenas/coffeescript/wiki/Text-editor-plugins), [web framework plugins](https://github.com/jashkenas/coffeescript/wiki/Web-framework-plugins), and general [CoffeeScript build tools](https://github.com/jashkenas/coffeescript/wiki/Build-tools).
+*   [The FAQ](https://github.com/jashkenas/coffeescript/wiki/FAQ)<br>
     Perhaps your CoffeeScript-related question has been asked before. Check the FAQ first.
 *   [JS2Coffee](http://js2.coffee/)<br>
     Is a very well done reverse JavaScript-to-CoffeeScript compiler. It’s not going to be perfect (infer what your JavaScript classes are, when you need bound functions, and so on…) — but it’s a great starting point for converting simple scripts.

documentation/sections/screencasts.md

@@ -1,5 +1,5 @@
 ## Screencasts
 
-*   [A Sip of CoffeeScript](http://coffeescript.codeschool.com) is a [Code School Course](http://www.codeschool.com) which combines 6 screencasts with in-browser coding to make learning fun. The first level is free to try out.
-*   [Meet CoffeeScript](http://peepcode.com/products/coffeescript) is a 75-minute long screencast by [PeepCode](http://peepcode.com/). Highly memorable for its animations which demonstrate transforming CoffeeScript into the equivalent JS.
+*   [A Sip of CoffeeScript](http://coffeescript.codeschool.com/) is a [Code School Course](https://www.codeschool.com) which combines 6 screencasts with in-browser coding to make learning fun. The first level is free to try out.
+*   [Meet CoffeeScript](https://www.pluralsight.com/courses/meet-coffeescript) is a 75-minute long screencast by PeepCode, now [PluralSight](https://www.pluralsight.com/). Highly memorable for its animations which demonstrate transforming CoffeeScript into the equivalent JS.
 *   If you’re looking for less of a time commitment, RailsCasts’ [CoffeeScript Basics](http://railscasts.com/episodes/267-coffeescript-basics) should have you covered, hitting all of the important notes about CoffeeScript in 11 minutes.

documentation/sections/scripts.md

@@ -1,6 +1,6 @@
 ## `"text/coffeescript"` Script Tags
 
-While it’s not recommended for serious use, CoffeeScripts may be included directly within the browser using `<script type="text/coffeescript">` tags. The source includes a compressed and minified version of the compiler ([Download current version here, 51k when gzipped](/v<%= majorVersion %>/browser-compiler/coffeescript.js)) as `v<%= majorVersion %>/browser-compiler/coffeescript.js`. Include this file on a page with inline CoffeeScript tags, and it will compile and evaluate them in order.
+While it’s not recommended for serious use, CoffeeScripts may be included directly within the browser using `<script type="text/coffeescript">` tags. The source includes a compressed and minified version of the compiler ([Download current version here, 51k when gzipped](/v<%= majorVersion %>/browser-compiler/coffeescript.js)) as `docs/v<%= majorVersion %>/browser-compiler/coffeescript.js`. Include this file on a page with inline CoffeeScript tags, and it will compile and evaluate them in order.
 
 In fact, the little bit of glue script that runs [Try CoffeeScript](#try), as well as the code examples and other interactive parts of this site, is implemented in just this way. View source and look at the bottom of the page to see the example. Including the script also gives you access to `CoffeeScript.compile()` so you can pop open your JavaScript console and try compiling some strings.
 

documentation/sections/source_maps.md

@@ -2,4 +2,4 @@
 
 CoffeeScript includes support for generating source maps, a way to tell your JavaScript engine what part of your CoffeeScript program matches up with the code being evaluated. Browsers that support it can automatically use source maps to show your original source code in the debugger. To generate source maps alongside your JavaScript files, pass the `--map` or `-m` flag to the compiler.
 
-For a full introduction to source maps, how they work, and how to hook them up in your browser, read the [HTML5 Tutorial](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/).
+For a full introduction to source maps, how they work, and how to hook them up in your browser, read the [HTML5 Tutorial](https://www.html5rocks.com/en/tutorials/developertools/sourcemaps/).

documentation/sections/splats.md

@@ -1,7 +1,25 @@
-## Splats…
+## Splats, or Rest Parameters/Spread Syntax
 
-The JavaScript **arguments object** is a useful way to work with functions that accept variable numbers of arguments. CoffeeScript provides splats `...`, both for function definition as well as invocation, making variable numbers of arguments a little bit more palatable.
+The JavaScript `arguments` object is a useful way to work with functions that accept variable numbers of arguments. CoffeeScript provides splats `...`, both for function definition as well as invocation, making variable numbers of arguments a little bit more palatable. ES2015 adopted this feature as their [rest parameters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters).
 
 ```
 codeFor('splats', true)
 ```
+
+<div id="array-spread" class="bookmark"></div>
+
+Splats also let us elide array elements...
+
+```
+codeFor('array_spread', 'all')
+```
+
+<div id="object-spread" class="bookmark"></div>
+
+...and object properties.
+
+```
+codeFor('object_spread', 'JSON.stringify(currentUser)')
+```
+
+In ECMAScript this is called [spread syntax](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_operator), and has been supported for arrays since ES2015 but is [coming soon for objects](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_operator#Spread_in_object_literals). Until object spread syntax is officially supported, the CoffeeScript compiler outputs the same polyfill as [Babel’s rest spread transform](https://babeljs.io/docs/plugins/transform-object-rest-spread/); but once it is supported, we will revise the compiler’s output. Note that there are [very subtle differences](https://developers.google.com/web/updates/2017/06/object-rest-spread) between the polyfill and the current proposal.

documentation/sections/switch.md

@@ -1,14 +1,14 @@
 ## Switch/When/Else
 
-**Switch** statements in JavaScript are a bit awkward. You need to remember to **break** at the end of every **case** statement to avoid accidentally falling through to the default case. CoffeeScript prevents accidental fall-through, and can convert the `switch` into a returnable, assignable expression. The format is: `switch` condition, `when` clauses, `else` the default case.
+`switch` statements in JavaScript are a bit awkward. You need to remember to `break` at the end of every `case` statement to avoid accidentally falling through to the default case. CoffeeScript prevents accidental fall-through, and can convert the `switch` into a returnable, assignable expression. The format is: `switch` condition, `when` clauses, `else` the default case.
 
-As in Ruby, **switch** statements in CoffeeScript can take multiple values for each **when** clause. If any of the values match, the clause runs.
+As in Ruby, `switch` statements in CoffeeScript can take multiple values for each `when` clause. If any of the values match, the clause runs.
 
 ```
 codeFor('switch')
 ```
 
-Switch statements can also be used without a control expression, turning them in to a cleaner alternative to if/else chains.
+`switch` statements can also be used without a control expression, turning them in to a cleaner alternative to `if`/`else` chains.
 
 ```
 codeFor('switch_with_no_expression')

documentation/sections/test.md

@@ -4,4 +4,4 @@ CoffeeScript includes an extensive test suite, which verifies that the compiler
 
 Note that since no JavaScript runtime yet supports ES2015 modules, the tests for module support verify only that the CoffeeScript compiler’s output is the correct syntax; the tests don’t verify that the modules resolve properly.
 
-[Run the tests in your browser.](http://coffeescript.dev/v<%= majorVersion %>/test.html)
+[Run the tests in your browser.](http://coffeescript.org/v<%= majorVersion %>/test.html)

documentation/sections/try.md

@@ -1,6 +1,6 @@
 ## Try/Catch/Finally
 
-Try-expressions have the same semantics as try-statements in JavaScript, though in CoffeeScript, you may omit _both_ the catch and finally parts. The catch part may also omit the error parameter if it is not needed.
+`try` expressions have the same semantics as `try` statements in JavaScript, though in CoffeeScript, you may omit _both_ the catch and finally parts. The catch part may also omit the error parameter if it is not needed.
 
 ```
 codeFor('try')

documentation/sections/type_annotations.md

@@ -0,0 +1,17 @@
+## Type Annotations
+
+Static type checking can be achieved in CoffeeScript by using [Flow](https://flow.org/)’s [Comment Types syntax](https://flow.org/en/docs/types/comments/):
+
+```
+codeFor('type_annotations')
+```
+
+CoffeeScript does not do any type checking itself; the JavaScript output you see above needs to get passed to Flow for it to validate your code. We expect most people will use a [build tool](#es2015plus-output) for this, but here’s how to do it the simplest way possible using the [CoffeeScript](#cli) and [Flow](https://flow.org/en/docs/usage/) command-line tools, assuming you’ve already [installed Flow](https://flow.org/en/docs/install/) and the [latest CoffeeScript](#installation) in your project folder:
+
+```bash
+coffee --bare --no-header --compile app.coffee && npm run flow
+```
+
+`--bare` and `--no-header` are important because Flow requires the first line of the file to be the comment `// @flow`. If you configure your build chain to compile CoffeeScript and pass the result to Flow in-memory, you can get better performance than this example; and a proper build tool should be able to watch your CoffeeScript files and recompile and type-check them for you on save.
+
+If you know of another way to achieve static type checking with CoffeeScript, please [create an issue](https://github.com/jashkenas/coffeescript/issues/new) and let us know.

documentation/sections/unsupported.md

@@ -1,34 +1,3 @@
 ## Unsupported ECMAScript Features
 
 There are a few ECMAScript features that CoffeeScript intentionally doesn’t support.
-
-<section id="unsupported-let-const">
-
-### `let` and `const`: Block-Scoped and Reassignment-Protected Variables
-
-When CoffeeScript was designed, `var` was [intentionally omitted](https://github.com/jashkenas/coffeescript/issues/238#issuecomment-153502). This was to spare developers the mental housekeeping of needing to worry about variable _declaration_ (`var foo`) as opposed to variable _assignment_ (`foo = 1`). The CoffeeScript compiler automatically takes care of declaration for you, by generating `var` statements at the top of every function scope. This makes it impossible to accidentally declare a global variable.
-
-`let` and `const` add a useful ability to JavaScript in that you can use them to declare variables within a _block_ scope, for example within an `if` statement body or a `for` loop body, whereas `var` always declares variables in the scope of an entire function. When CoffeeScript 2 was designed, there was much discussion of whether this functionality was useful enough to outweigh the simplicity offered by never needing to consider variable declaration in CoffeeScript. In the end, it was decided that the simplicity was more valued. In CoffeeScript there remains only one type of variable.
-
-Keep in mind that `const` only protects you from _reassigning_ a variable; it doesn’t prevent the variable’s value from changing, the way constants usually do in other languages:
-
-```js
-const obj = {foo: 'bar'};
-obj.foo = 'baz'; // Allowed!
-obj = {}; // Throws error
-```
-
-</section>
-<section id="unsupported-get-set">
-
-### `get` and `set` Keyword Shorthand Syntax
-
-`get` and `set`, as keywords preceding functions or class methods, are intentionally unimplemented in CoffeeScript.
-
-This is to avoid grammatical ambiguity, since in CoffeeScript such a construct looks identical to a function call (e.g. `get(function foo() {})`); and because there is an [alternate syntax](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty) that is slightly more verbose but just as effective:
-
-```
-codeFor('get_set', 'screen.height')
-```
-
-</section>

documentation/sections/unsupported_get_set.md

@@ -0,0 +1,9 @@
+### `get` and `set` keyword shorthand syntax
+
+`get` and `set`, as keywords preceding functions or class methods, are intentionally unimplemented in CoffeeScript.
+
+This is to avoid grammatical ambiguity, since in CoffeeScript such a construct looks identical to a function call (e.g. `get(function foo() {})`); and because there is an [alternate syntax](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty) that is slightly more verbose but just as effective:
+
+```
+codeFor('get_set', 'screen.height')
+```