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rebuilt source code documentation with new version of Docco.

This commit is contained in:
Jeremy Ashkenas 2013-03-11 11:37:22 +08:00
parent 97980ffc7f
commit 69f6500ba9
16 changed files with 10821 additions and 979 deletions

View file

@ -128,7 +128,7 @@ task 'doc:site', 'watch and continually rebuild the documentation for the websit
task 'doc:source', 'rebuild the internal documentation', ->
exec 'docco src/*.coffee && cp -rf docs documentation && rm -r docs', (err) ->
exec 'docco src/*.*coffee && cp -rf docs documentation && rm -r docs', (err) ->
throw err if err

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@ -1,9 +1,191 @@
<!DOCTYPE html> <html> <head> <title>browser.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> browser.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>Override exported methods for non-Node.js engines.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s">&#39;./coffee-script&#39;</span>
<span class="nv">CoffeeScript.require = </span><span class="nx">require</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Use standard JavaScript <code>eval</code> to eval code.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
<!DOCTYPE html>
<html>
<head>
<title>browser.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
</head>
<body>
<div id="container">
<div id="background"></div>
<ul id="jump_to">
<li>
<a class="large" href="javascript:void(0);">Jump To &hellip;</a>
<a class="small" href="javascript:void(0);">+</a>
<div id="jump_wrapper">
<div id="jump_page">
<a class="source" href="browser.html">
browser.coffee
</a>
<a class="source" href="cake.html">
cake.coffee
</a>
<a class="source" href="coffee-script.html">
coffee-script.coffee
</a>
<a class="source" href="command.html">
command.coffee
</a>
<a class="source" href="grammar.html">
grammar.coffee
</a>
<a class="source" href="helpers.html">
helpers.coffee
</a>
<a class="source" href="index.html">
index.coffee
</a>
<a class="source" href="lexer.html">
lexer.coffee
</a>
<a class="source" href="nodes.html">
nodes.coffee
</a>
<a class="source" href="optparse.html">
optparse.coffee
</a>
<a class="source" href="repl.html">
repl.coffee
</a>
<a class="source" href="rewriter.html">
rewriter.coffee
</a>
<a class="source" href="scope.html">
scope.litcoffee
</a>
<a class="source" href="sourcemap.html">
sourcemap.coffee
</a>
</div>
</li>
</ul>
<ul class="sections">
<li id="title">
<div class="annotation">
<h1>browser.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>Override exported methods for non-Node.js engines.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s">&#39;./coffee-script&#39;</span>
<span class="nv">CoffeeScript.require = </span><span class="nx">require</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Use standard JavaScript <code>eval</code> to eval code.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">CoffeeScript.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nx">options</span><span class="p">.</span><span class="nx">bare</span> <span class="o">?=</span> <span class="kc">on</span>
<span class="nb">eval</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Running code does not provide access to this scope.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.run = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nb">eval</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Running code does not provide access to this scope.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">CoffeeScript.run = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nv">options.bare = </span><span class="kc">on</span>
<span class="nb">Function</span><span class="p">(</span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)()</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>If we're not in a browser environment, we're finished with the public API.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">return</span> <span class="k">unless</span> <span class="nb">window</span><span class="o">?</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Load a remote script from the current domain via XHR.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CoffeeScript.load = </span><span class="nf">(url, callback, options = {}) -&gt;</span>
<span class="nb">Function</span><span class="p">(</span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)()</span></pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>If we&#39;re not in a browser environment, we&#39;re finished with the public API.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="k">return</span> <span class="k">unless</span> <span class="nb">window</span><span class="o">?</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>Load a remote script from the current domain via XHR.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">CoffeeScript.load = </span><span class="nf">(url, callback, options = {}) -&gt;</span>
<span class="nv">xhr = </span><span class="k">if</span> <span class="nb">window</span><span class="p">.</span><span class="nx">ActiveXObject</span>
<span class="k">new</span> <span class="nb">window</span><span class="p">.</span><span class="nx">ActiveXObject</span><span class="p">(</span><span class="s">&#39;Microsoft.XMLHTTP&#39;</span><span class="p">)</span>
<span class="k">else</span>
@ -17,9 +199,26 @@
<span class="k">else</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s">&quot;Could not load </span><span class="si">#{</span><span class="nx">url</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">callback</span><span class="p">()</span> <span class="k">if</span> <span class="nx">callback</span>
<span class="nx">xhr</span><span class="p">.</span><span class="nx">send</span> <span class="kc">null</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Activate CoffeeScript in the browser by having it compile and evaluate
<span class="nx">xhr</span><span class="p">.</span><span class="nx">send</span> <span class="kc">null</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>Activate CoffeeScript in the browser by having it compile and evaluate
all script tags with a content-type of <code>text/coffeescript</code>.
This happens on page load.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">runScripts = </span><span class="nf">-&gt;</span>
This happens on page load.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">runScripts = </span><span class="nf">-&gt;</span>
<span class="nv">scripts = </span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementsByTagName</span> <span class="s">&#39;script&#39;</span>
<span class="nv">coffeetypes = </span><span class="p">[</span><span class="s">&#39;text/coffeescript&#39;</span><span class="p">,</span> <span class="s">&#39;text/literate-coffeescript&#39;</span><span class="p">]</span>
<span class="nv">coffees = </span><span class="p">(</span><span class="nx">s</span> <span class="k">for</span> <span class="nx">s</span> <span class="k">in</span> <span class="nx">scripts</span> <span class="k">when</span> <span class="nx">s</span><span class="p">.</span><span class="nx">type</span> <span class="k">in</span> <span class="nx">coffeetypes</span><span class="p">)</span>
@ -35,9 +234,32 @@ This happens on page load.</p> </td> <td class="code">
<span class="k">else</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">script</span><span class="p">.</span><span class="nx">innerHTML</span><span class="p">,</span> <span class="nx">options</span>
<span class="nx">execute</span><span class="p">()</span>
<span class="kc">null</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Listen for window load, both in browsers and in IE.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">if</span> <span class="nb">window</span><span class="p">.</span><span class="nx">addEventListener</span>
<span class="kc">null</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Listen for window load, both in browsers and in IE.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="k">if</span> <span class="nb">window</span><span class="p">.</span><span class="nx">addEventListener</span>
<span class="nx">addEventListener</span> <span class="s">&#39;DOMContentLoaded&#39;</span><span class="p">,</span> <span class="nx">runScripts</span><span class="p">,</span> <span class="kc">no</span>
<span class="k">else</span>
<span class="nx">attachEvent</span> <span class="s">&#39;onload&#39;</span><span class="p">,</span> <span class="nx">runScripts</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
</pre></div></div>
</li>
</ul>
</div>
</body>
</html>

View file

@ -1,30 +1,249 @@
<!DOCTYPE html> <html> <head> <title>cake.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> cake.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
<!DOCTYPE html>
<html>
<head>
<title>cake.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
</head>
<body>
<div id="container">
<div id="background"></div>
<ul id="jump_to">
<li>
<a class="large" href="javascript:void(0);">Jump To &hellip;</a>
<a class="small" href="javascript:void(0);">+</a>
<div id="jump_wrapper">
<div id="jump_page">
<a class="source" href="browser.html">
browser.coffee
</a>
<a class="source" href="cake.html">
cake.coffee
</a>
<a class="source" href="coffee-script.html">
coffee-script.coffee
</a>
<a class="source" href="command.html">
command.coffee
</a>
<a class="source" href="grammar.html">
grammar.coffee
</a>
<a class="source" href="helpers.html">
helpers.coffee
</a>
<a class="source" href="index.html">
index.coffee
</a>
<a class="source" href="lexer.html">
lexer.coffee
</a>
<a class="source" href="nodes.html">
nodes.coffee
</a>
<a class="source" href="optparse.html">
optparse.coffee
</a>
<a class="source" href="repl.html">
repl.coffee
</a>
<a class="source" href="rewriter.html">
rewriter.coffee
</a>
<a class="source" href="scope.html">
scope.litcoffee
</a>
<a class="source" href="sourcemap.html">
sourcemap.coffee
</a>
</div>
</li>
</ul>
<ul class="sections">
<li id="title">
<div class="annotation">
<h1>cake.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p><code>cake</code> is a simplified version of <a href="http://www.gnu.org/software/make/">Make</a>
(<a href="http://rake.rubyforge.org/">Rake</a>, <a href="http://github.com/280north/jake">Jake</a>)
for CoffeeScript. You define tasks with names and descriptions in a Cakefile,
and can call them from the command line, or invoke them from other tasks.</p>
and can call them from the command line, or invoke them from other tasks.
</p>
<p>Running <code>cake</code> with no arguments will print out a list of all the tasks in the
current directory's Cakefile.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>External dependencies.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
current directory&#39;s Cakefile.
</p>
<p>External dependencies.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
<span class="nv">path = </span><span class="nx">require</span> <span class="s">&#39;path&#39;</span>
<span class="nv">helpers = </span><span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="nv">optparse = </span><span class="nx">require</span> <span class="s">&#39;./optparse&#39;</span>
<span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s">&#39;./coffee-script&#39;</span>
<span class="nv">existsSync = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">existsSync</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">existsSync</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Keep track of the list of defined tasks, the accepted options, and so on.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">tasks = </span><span class="p">{}</span>
<span class="nv">existsSync = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">existsSync</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">existsSync</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Keep track of the list of defined tasks, the accepted options, and so on.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">tasks = </span><span class="p">{}</span>
<span class="nv">options = </span><span class="p">{}</span>
<span class="nv">switches = </span><span class="p">[]</span>
<span class="nv">oparse = </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>Mixin the top-level Cake functions for Cakefiles to use directly.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">global</span><span class="p">,</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Define a Cake task with a short name, an optional sentence description,
and the function to run as the action itself.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">task: </span><span class="nf">(name, description, action) -&gt;</span>
<span class="nv">oparse = </span><span class="kc">null</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Mixin the top-level Cake functions for Cakefiles to use directly.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">global</span><span class="p">,</span></pre></div></div>
</li>
<li id="section-4">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>Define a Cake task with a short name, an optional sentence description,
and the function to run as the action itself.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">task: </span><span class="nf">(name, description, action) -&gt;</span>
<span class="p">[</span><span class="nx">action</span><span class="p">,</span> <span class="nx">description</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">description</span><span class="p">,</span> <span class="nx">action</span><span class="p">]</span> <span class="k">unless</span> <span class="nx">action</span>
<span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="nx">name</span><span class="p">,</span> <span class="nx">description</span><span class="p">,</span> <span class="nx">action</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Define an option that the Cakefile accepts. The parsed options hash,
<span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="nx">name</span><span class="p">,</span> <span class="nx">description</span><span class="p">,</span> <span class="nx">action</span><span class="p">}</span></pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>Define an option that the Cakefile accepts. The parsed options hash,
containing all of the command-line options passed, will be made available
as the first argument to the action.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">option: </span><span class="nf">(letter, flag, description) -&gt;</span>
<span class="nx">switches</span><span class="p">.</span><span class="nx">push</span> <span class="p">[</span><span class="nx">letter</span><span class="p">,</span> <span class="nx">flag</span><span class="p">,</span> <span class="nx">description</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Invoke another task in the current Cakefile.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">invoke: </span><span class="nf">(name) -&gt;</span>
as the first argument to the action.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">option: </span><span class="nf">(letter, flag, description) -&gt;</span>
<span class="nx">switches</span><span class="p">.</span><span class="nx">push</span> <span class="p">[</span><span class="nx">letter</span><span class="p">,</span> <span class="nx">flag</span><span class="p">,</span> <span class="nx">description</span><span class="p">]</span></pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Invoke another task in the current Cakefile.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">invoke: </span><span class="nf">(name) -&gt;</span>
<span class="nx">missingTask</span> <span class="nx">name</span> <span class="k">unless</span> <span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span>
<span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">].</span><span class="nx">action</span> <span class="nx">options</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Run <code>cake</code>. Executes all of the tasks you pass, in order. Note that Node's
asynchrony may cause tasks to execute in a different order than you'd expect.
<span class="nx">tasks</span><span class="p">[</span><span class="nx">name</span><span class="p">].</span><span class="nx">action</span> <span class="nx">options</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Run <code>cake</code>. Executes all of the tasks you pass, in order. Note that Node&#39;s
asynchrony may cause tasks to execute in a different order than you&#39;d expect.
If no tasks are passed, print the help screen. Keep a reference to the
original directory name, when running Cake tasks from subdirectories.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">-&gt;</span>
original directory name, when running Cake tasks from subdirectories.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">-&gt;</span>
<span class="nv">global.__originalDirname = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span> <span class="s">&#39;.&#39;</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">chdir</span> <span class="nx">cakefileDirectory</span> <span class="nx">__originalDirname</span>
<span class="nv">args = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">2</span><span class="p">..]</span>
@ -35,7 +254,24 @@ original directory name, when running Cake tasks from subdirectories.</p>
<span class="nv">options = </span><span class="nx">oparse</span><span class="p">.</span><span class="nx">parse</span><span class="p">(</span><span class="nx">args</span><span class="p">)</span>
<span class="k">catch</span> <span class="nx">e</span>
<span class="k">return</span> <span class="nx">fatalError</span> <span class="s">&quot;</span><span class="si">#{</span><span class="nx">e</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">invoke</span> <span class="nx">arg</span> <span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Display the list of Cake tasks in a format similar to <code>rake -T</code></p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">printTasks = </span><span class="nf">-&gt;</span>
<span class="nx">invoke</span> <span class="nx">arg</span> <span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Display the list of Cake tasks in a format similar to <code>rake -T</code>
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">printTasks = </span><span class="nf">-&gt;</span>
<span class="nv">relative = </span><span class="nx">path</span><span class="p">.</span><span class="nx">relative</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">resolve</span>
<span class="nv">cakefilePath = </span><span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">relative</span><span class="p">(</span><span class="nx">__originalDirname</span><span class="p">,</span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()),</span> <span class="s">&#39;Cakefile&#39;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">&quot;</span><span class="si">#{</span><span class="nx">cakefilePath</span><span class="si">}</span><span class="s"> defines the following tasks:\n&quot;</span>
@ -44,16 +280,56 @@ original directory name, when running Cake tasks from subdirectories.</p>
<span class="nv">spaces = </span><span class="k">if</span> <span class="nx">spaces</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="nb">Array</span><span class="p">(</span><span class="nx">spaces</span> <span class="o">+</span> <span class="mi">1</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39; &#39;</span><span class="p">)</span> <span class="k">else</span> <span class="s">&#39;&#39;</span>
<span class="nv">desc = </span><span class="k">if</span> <span class="nx">task</span><span class="p">.</span><span class="nx">description</span> <span class="k">then</span> <span class="s">&quot;</span><span class="err">#</span><span class="s"> </span><span class="si">#{</span><span class="nx">task</span><span class="p">.</span><span class="nx">description</span><span class="si">}</span><span class="s">&quot;</span> <span class="k">else</span> <span class="s">&#39;&#39;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">&quot;cake </span><span class="si">#{</span><span class="nx">name</span><span class="si">}#{</span><span class="nx">spaces</span><span class="si">}</span><span class="s"> </span><span class="si">#{</span><span class="nx">desc</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="nx">oparse</span><span class="p">.</span><span class="nx">help</span><span class="p">()</span> <span class="k">if</span> <span class="nx">switches</span><span class="p">.</span><span class="nx">length</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Print an error and exit when attempting to use an invalid task/option.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">fatalError = </span><span class="nf">(message) -&gt;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="nx">oparse</span><span class="p">.</span><span class="nx">help</span><span class="p">()</span> <span class="k">if</span> <span class="nx">switches</span><span class="p">.</span><span class="nx">length</span></pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Print an error and exit when attempting to use an invalid task/option.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">fatalError = </span><span class="nf">(message) -&gt;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">error</span> <span class="nx">message</span> <span class="o">+</span> <span class="s">&#39;\n&#39;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">&#39;To see a list of all tasks/options, run &quot;cake&quot;&#39;</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span>
<span class="nv">missingTask = </span><span class="nf">(task) -&gt;</span> <span class="nx">fatalError</span> <span class="s">&quot;No such task: </span><span class="si">#{</span><span class="nx">task</span><span class="si">}</span><span class="s">&quot;</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>When <code>cake</code> is invoked, search in the current and all parent directories
to find the relevant Cakefile.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">cakefileDirectory = </span><span class="nf">(dir) -&gt;</span>
<span class="nv">missingTask = </span><span class="nf">(task) -&gt;</span> <span class="nx">fatalError</span> <span class="s">&quot;No such task: </span><span class="si">#{</span><span class="nx">task</span><span class="si">}</span><span class="s">&quot;</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>When <code>cake</code> is invoked, search in the current and all parent directories
to find the relevant Cakefile.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">cakefileDirectory = </span><span class="nf">(dir) -&gt;</span>
<span class="k">return</span> <span class="nx">dir</span> <span class="k">if</span> <span class="nx">existsSync</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="s">&#39;Cakefile&#39;</span>
<span class="nv">parent = </span><span class="nx">path</span><span class="p">.</span><span class="nx">normalize</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="s">&#39;..&#39;</span>
<span class="k">return</span> <span class="nx">cakefileDirectory</span> <span class="nx">parent</span> <span class="k">unless</span> <span class="nx">parent</span> <span class="o">is</span> <span class="nx">dir</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s">&quot;Cakefile not found in </span><span class="si">#{</span><span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span><span class="si">}</span><span class="s">&quot;</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
</pre></div></div>
</li>
</ul>
</div>
</body>
</html>

View file

@ -1,46 +1,245 @@
<!DOCTYPE html> <html> <head> <title>coffee-script.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> coffee-script.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>CoffeeScript can be used both on the server, as a command-line compiler based
<!DOCTYPE html>
<html>
<head>
<title>coffee-script.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<link rel="stylesheet" media="all" href="docco.css" />
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<body>
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<a class="source" href="browser.html">
browser.coffee
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cake.coffee
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coffee-script.coffee
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command.coffee
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grammar.coffee
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helpers.coffee
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index.coffee
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lexer.coffee
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nodes.coffee
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optparse.coffee
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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>coffee-script.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>CoffeeScript can be used both on the server, as a command-line compiler based
on Node.js/V8, or to run CoffeeScripts directly in the browser. This module
contains the main entry functions for tokenizing, parsing, and compiling
source CoffeeScript into JavaScript.</p>
source CoffeeScript into JavaScript.
</p>
<p>If included on a webpage, it will automatically sniff out, compile, and
execute all scripts present in <code>text/coffeescript</code> tags.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
execute all scripts present in <code>text/coffeescript</code> tags.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
<span class="nv">path = </span><span class="nx">require</span> <span class="s">&#39;path&#39;</span>
<span class="p">{</span><span class="nx">Lexer</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./lexer&#39;</span>
<span class="p">{</span><span class="nx">parser</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./parser&#39;</span>
<span class="nv">helpers = </span><span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="nv">vm = </span><span class="nx">require</span> <span class="s">&#39;vm&#39;</span>
<span class="nv">sourcemap = </span><span class="nx">require</span> <span class="s">&#39;./sourcemap&#39;</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Load and run a CoffeeScript file for Node, stripping any <code>BOM</code>s.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">loadFile = </span><span class="nf">(module, filename) -&gt;</span>
<span class="nv">sourcemap = </span><span class="nx">require</span> <span class="s">&#39;./sourcemap&#39;</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Load and run a CoffeeScript file for Node, stripping any <code>BOM</code>s.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">loadFile = </span><span class="nf">(module, filename) -&gt;</span>
<span class="nv">raw = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">readFileSync</span> <span class="nx">filename</span><span class="p">,</span> <span class="s">&#39;utf8&#39;</span>
<span class="nv">stripped = </span><span class="k">if</span> <span class="nx">raw</span><span class="p">.</span><span class="nx">charCodeAt</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="o">is</span> <span class="mh">0xFEFF</span> <span class="k">then</span> <span class="nx">raw</span><span class="p">.</span><span class="nx">substring</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">raw</span>
<span class="nx">module</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">compile</span><span class="p">(</span><span class="nx">stripped</span><span class="p">,</span> <span class="p">{</span><span class="nx">filename</span><span class="p">,</span> <span class="nv">literate: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">isLiterate</span> <span class="nx">filename</span><span class="p">}),</span> <span class="nx">filename</span>
<span class="k">if</span> <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span>
<span class="k">for</span> <span class="nx">ext</span> <span class="k">in</span> <span class="p">[</span><span class="s">&#39;.coffee&#39;</span><span class="p">,</span> <span class="s">&#39;.litcoffee&#39;</span><span class="p">,</span> <span class="s">&#39;.md&#39;</span><span class="p">,</span> <span class="s">&#39;.coffee.md&#39;</span><span class="p">]</span>
<span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span><span class="p">[</span><span class="nx">ext</span><span class="p">]</span> <span class="o">=</span> <span class="nx">loadFile</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>The current CoffeeScript version number.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.VERSION = </span><span class="s">&#39;1.6.1&#39;</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>Expose helpers for testing.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.helpers = </span><span class="nx">helpers</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Compile CoffeeScript code to JavaScript, using the Coffee/Jison compiler.</p>
<span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span><span class="p">[</span><span class="nx">ext</span><span class="p">]</span> <span class="o">=</span> <span class="nx">loadFile</span></pre></div></div>
<p>If <code>options.sourceMap</code> is specified, then <code>options.filename</code> must also be specified.</p>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>The current CoffeeScript version number.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.VERSION = </span><span class="s">&#39;1.6.1&#39;</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>Expose helpers for testing.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.helpers = </span><span class="nx">helpers</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>Compile CoffeeScript code to JavaScript, using the Coffee/Jison compiler.
</p>
<p>If <code>options.sourceMap</code> is specified, then <code>options.filename</code> must also be specified. All
options that can be passed to <code>generateV3SourceMap()</code> may also be passed here.
</p>
<p>This returns a javascript string, unless <code>options.sourceMap</code> is passed,
in which case this returns a `{js, v3SourceMap, sourceMap}
object, where sourceMap is a sourcemap.coffee#SourceMap object, handy for doing programatic
lookups.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.compile = compile = </span><span class="nf">(code, options = {}) -&gt;</span>
lookups.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.compile = compile = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="p">{</span><span class="nx">merge</span><span class="p">}</span> <span class="o">=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">helpers</span>
<span class="k">try</span>
<span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sourceMap</span>
<span class="nv">coffeeFile = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span>
<span class="nv">jsFile = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span><span class="p">,</span> <span class="kc">yes</span><span class="p">)</span> <span class="o">+</span> <span class="s">&quot;.js&quot;</span>
<span class="nv">sourceMap = </span><span class="k">new</span> <span class="nx">sourcemap</span><span class="p">.</span><span class="nx">SourceMap</span><span class="p">()</span>
<span class="nv">fragments = </span><span class="p">(</span><span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)).</span><span class="nx">compileToFragments</span> <span class="nx">options</span>
<span class="nv">currentLine = </span><span class="mi">0</span>
<span class="nx">currentLine</span> <span class="o">+=</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">header</span>
<span class="nx">currentLine</span> <span class="o">+=</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sourceMap</span>
<span class="nv">currentColumn = </span><span class="mi">0</span>
<span class="nv">js = </span><span class="s">&quot;&quot;</span>
<span class="k">for</span> <span class="nx">fragment</span> <span class="k">in</span> <span class="nx">fragments</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Update the sourcemap with data from each fragment</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="nx">sourceMap</span>
<span class="k">for</span> <span class="nx">fragment</span> <span class="k">in</span> <span class="nx">fragments</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>Update the sourcemap with data from each fragment
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">if</span> <span class="nx">sourceMap</span>
<span class="k">if</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">locationData</span>
<span class="nx">sourceMap</span><span class="p">.</span><span class="nx">addMapping</span><span class="p">(</span>
<span class="p">[</span><span class="nx">fragment</span><span class="p">.</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">first_line</span><span class="p">,</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">first_column</span><span class="p">],</span>
@ -48,11 +247,24 @@ lookups.</p> </td> <td class="code"> <div
<span class="p">{</span><span class="nv">noReplace: </span><span class="kc">true</span><span class="p">})</span>
<span class="nv">newLines = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">count</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span><span class="p">,</span> <span class="s">&quot;\n&quot;</span>
<span class="nx">currentLine</span> <span class="o">+=</span> <span class="nx">newLines</span>
<span class="nv">currentColumn = </span><span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="k">if</span> <span class="nx">newLines</span> <span class="k">then</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="s">&quot;\n&quot;</span> <span class="k">else</span> <span class="mi">0</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Copy the code from each fragment into the final JavaScript.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">js</span> <span class="o">+=</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span>
<span class="nv">currentColumn = </span><span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="k">if</span> <span class="nx">newLines</span> <span class="k">then</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="s">&quot;\n&quot;</span> <span class="k">else</span> <span class="mi">0</span><span class="p">)</span></pre></div></div>
<span class="k">catch</span> <span class="nx">err</span>
<span class="nv">err.message = </span><span class="s">&quot;In </span><span class="si">#{</span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span><span class="si">}</span><span class="s">, </span><span class="si">#{</span><span class="nx">err</span><span class="p">.</span><span class="nx">message</span><span class="si">}</span><span class="s">&quot;</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span>
<span class="k">throw</span> <span class="nx">err</span>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Copy the code from each fragment into the final JavaScript.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">js</span> <span class="o">+=</span> <span class="nx">fragment</span><span class="p">.</span><span class="nx">code</span>
<span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">header</span>
<span class="nv">header = </span><span class="s">&quot;Generated by CoffeeScript </span><span class="si">#{</span><span class="nx">@VERSION</span><span class="si">}</span><span class="s">&quot;</span>
@ -62,24 +274,160 @@ lookups.</p> </td> <td class="code"> <div
<span class="nv">answer = </span><span class="p">{</span><span class="nx">js</span><span class="p">}</span>
<span class="k">if</span> <span class="nx">sourceMap</span>
<span class="nv">answer.sourceMap = </span><span class="nx">sourceMap</span>
<span class="nv">answer.v3SourceMap = </span><span class="nx">sourcemap</span><span class="p">.</span><span class="nx">generateV3SourceMap</span> <span class="nx">sourceMap</span><span class="p">,</span> <span class="nx">coffeeFile</span><span class="p">,</span> <span class="nx">jsFile</span>
<span class="nv">answer.v3SourceMap = </span><span class="nx">sourcemap</span><span class="p">.</span><span class="nx">generateV3SourceMap</span><span class="p">(</span><span class="nx">sourceMap</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span>
<span class="nx">answer</span>
<span class="k">else</span>
<span class="nx">js</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Tokenize a string of CoffeeScript code, and return the array of tokens.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.tokens = </span><span class="nf">(code, options) -&gt;</span>
<span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Parse a string of CoffeeScript code or an array of lexed tokens, and
<span class="nx">js</span></pre></div></div>
</li>
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<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Tokenize a string of CoffeeScript code, and return the array of tokens.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.tokens = </span><span class="nf">(code, options) -&gt;</span>
<span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">options</span></pre></div></div>
</li>
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</div>
<p>Parse a string of CoffeeScript code or an array of lexed tokens, and
return the AST. You can then compile it by calling <code>.compile()</code> on the root,
or traverse it by using <code>.traverseChildren()</code> with a callback.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.nodes = </span><span class="nf">(source, options) -&gt;</span>
or traverse it by using <code>.traverseChildren()</code> with a callback.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.nodes = </span><span class="nf">(source, options) -&gt;</span>
<span class="k">if</span> <span class="k">typeof</span> <span class="nx">source</span> <span class="o">is</span> <span class="s">&#39;string&#39;</span>
<span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">lexer</span><span class="p">.</span><span class="nx">tokenize</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">options</span>
<span class="k">else</span>
<span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">source</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Compile and execute a string of CoffeeScript (on the server), correctly
setting <code>__filename</code>, <code>__dirname</code>, and relative <code>require()</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nv">mainModule = </span><span class="nx">require</span><span class="p">.</span><span class="nx">main</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>Set the filename.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">mainModule.filename = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span>
<span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span> <span class="k">then</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="k">else</span> <span class="s">&#39;.&#39;</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p>Clear the module cache.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">moduleCache</span> <span class="o">and=</span> <span class="p">{}</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>Assign paths for node_modules loading</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">mainModule.paths = </span><span class="nx">require</span><span class="p">(</span><span class="s">&#39;module&#39;</span><span class="p">).</span><span class="nx">_nodeModulePaths</span> <span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>Compile.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="o">not</span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">isCoffee</span><span class="p">(</span><span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="o">or</span> <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span>
<span class="nx">parser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">source</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>Compile and execute a string of CoffeeScript (on the server), correctly
setting <code>__filename</code>, <code>__dirname</code>, and relative <code>require()</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nv">mainModule = </span><span class="nx">require</span><span class="p">.</span><span class="nx">main</span></pre></div></div>
</li>
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<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>Set the filename.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">mainModule.filename = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span>
<span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span> <span class="k">then</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="k">else</span> <span class="s">&#39;.&#39;</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>Clear the module cache.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">moduleCache</span> <span class="o">and=</span> <span class="p">{}</span></pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Assign paths for node_modules loading
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">mainModule.paths = </span><span class="nx">require</span><span class="p">(</span><span class="s">&#39;module&#39;</span><span class="p">).</span><span class="nx">_nodeModulePaths</span> <span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">fs</span><span class="p">.</span><span class="nx">realpathSync</span> <span class="nx">options</span><span class="p">.</span><span class="nx">filename</span></pre></div></div>
</li>
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<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Compile.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">if</span> <span class="o">not</span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">isCoffee</span><span class="p">(</span><span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span><span class="p">)</span> <span class="o">or</span> <span class="nx">require</span><span class="p">.</span><span class="nx">extensions</span>
<span class="nx">mainModule</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">compile</span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">),</span> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span>
<span class="k">else</span>
<span class="nx">mainModule</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
The CoffeeScript REPL uses this to run the input.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="nx">mainModule</span><span class="p">.</span><span class="nx">_compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">mainModule</span><span class="p">.</span><span class="nx">filename</span></pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Compile and evaluate a string of CoffeeScript (in a Node.js-like environment).
The CoffeeScript REPL uses this to run the input.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.eval = </span><span class="nf">(code, options = {}) -&gt;</span>
<span class="k">return</span> <span class="k">unless</span> <span class="nv">code = </span><span class="nx">code</span><span class="p">.</span><span class="nx">trim</span><span class="p">()</span>
<span class="nv">Script = </span><span class="nx">vm</span><span class="p">.</span><span class="nx">Script</span>
<span class="k">if</span> <span class="nx">Script</span>
@ -93,12 +441,46 @@ The CoffeeScript REPL uses this to run the input.</p> </td>
<span class="k">else</span>
<span class="nv">sandbox = </span><span class="nx">global</span>
<span class="nv">sandbox.__filename = </span><span class="nx">options</span><span class="p">.</span><span class="nx">filename</span> <span class="o">||</span> <span class="s">&#39;eval&#39;</span>
<span class="nv">sandbox.__dirname = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">__filename</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">&#182;</a> </div> <p>define module/require only if they chose not to specify their own</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">unless</span> <span class="nx">sandbox</span> <span class="o">isnt</span> <span class="nx">global</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">module</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">require</span>
<span class="nv">sandbox.__dirname = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">__filename</span></pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
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<p>define module/require only if they chose not to specify their own
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">unless</span> <span class="nx">sandbox</span> <span class="o">isnt</span> <span class="nx">global</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">module</span> <span class="o">or</span> <span class="nx">sandbox</span><span class="p">.</span><span class="nx">require</span>
<span class="nv">Module = </span><span class="nx">require</span> <span class="s">&#39;module&#39;</span>
<span class="nv">sandbox.module = _module = </span><span class="k">new</span> <span class="nx">Module</span><span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">modulename</span> <span class="o">||</span> <span class="s">&#39;eval&#39;</span><span class="p">)</span>
<span class="nv">sandbox.require = _require = </span><span class="nf">(path) -&gt;</span> <span class="nx">Module</span><span class="p">.</span><span class="nx">_load</span> <span class="nx">path</span><span class="p">,</span> <span class="nx">_module</span><span class="p">,</span> <span class="kc">true</span>
<span class="nv">_module.filename = </span><span class="nx">sandbox</span><span class="p">.</span><span class="nx">__filename</span>
<span class="nx">_require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="o">=</span> <span class="nx">require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="k">for</span> <span class="nx">r</span> <span class="k">in</span> <span class="nb">Object</span><span class="p">.</span><span class="nx">getOwnPropertyNames</span> <span class="nx">require</span> <span class="k">when</span> <span class="nx">r</span> <span class="o">isnt</span> <span class="s">&#39;paths&#39;</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">&#182;</a> </div> <p>use the same hack node currently uses for their own REPL</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">_require.paths = _module.paths = </span><span class="nx">Module</span><span class="p">.</span><span class="nx">_nodeModulePaths</span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
<span class="nx">_require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="o">=</span> <span class="nx">require</span><span class="p">[</span><span class="nx">r</span><span class="p">]</span> <span class="k">for</span> <span class="nx">r</span> <span class="k">in</span> <span class="nb">Object</span><span class="p">.</span><span class="nx">getOwnPropertyNames</span> <span class="nx">require</span> <span class="k">when</span> <span class="nx">r</span> <span class="o">isnt</span> <span class="s">&#39;paths&#39;</span></pre></div></div>
</li>
<li id="section-17">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-17">&#182;</a>
</div>
<p>use the same hack node currently uses for their own REPL
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">_require.paths = _module.paths = </span><span class="nx">Module</span><span class="p">.</span><span class="nx">_nodeModulePaths</span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
<span class="nv">_require.resolve = </span><span class="nf">(request) -&gt;</span> <span class="nx">Module</span><span class="p">.</span><span class="nx">_resolveFilename</span> <span class="nx">request</span><span class="p">,</span> <span class="nx">_module</span>
<span class="nv">o = </span><span class="p">{}</span>
<span class="nx">o</span><span class="p">[</span><span class="nx">k</span><span class="p">]</span> <span class="o">=</span> <span class="nx">v</span> <span class="k">for</span> <span class="k">own</span> <span class="nx">k</span><span class="p">,</span> <span class="nx">v</span> <span class="k">of</span> <span class="nx">options</span>
@ -107,9 +489,43 @@ The CoffeeScript REPL uses this to run the input.</p> </td>
<span class="k">if</span> <span class="nx">sandbox</span> <span class="o">is</span> <span class="nx">global</span>
<span class="nx">vm</span><span class="p">.</span><span class="nx">runInThisContext</span> <span class="nx">js</span>
<span class="k">else</span>
<span class="nx">vm</span><span class="p">.</span><span class="nx">runInContext</span> <span class="nx">js</span><span class="p">,</span> <span class="nx">sandbox</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">&#182;</a> </div> <p>Instantiate a Lexer for our use here.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">lexer = </span><span class="k">new</span> <span class="nx">Lexer</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">&#182;</a> </div> <p>The real Lexer produces a generic stream of tokens. This object provides a
<span class="nx">vm</span><span class="p">.</span><span class="nx">runInContext</span> <span class="nx">js</span><span class="p">,</span> <span class="nx">sandbox</span></pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-18">&#182;</a>
</div>
<p>Instantiate a Lexer for our use here.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">lexer = </span><span class="k">new</span> <span class="nx">Lexer</span></pre></div></div>
</li>
<li id="section-19">
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<a class="pilcrow" href="#section-19">&#182;</a>
</div>
<p>The real Lexer produces a generic stream of tokens. This object provides a
thin wrapper around it, compatible with the Jison API. We can then pass it
directly as a "Jison lexer".</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">parser.lexer =</span>
directly as a &quot;Jison lexer&quot;.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">parser.lexer =</span>
<span class="nv">lex: </span><span class="nf">-&gt;</span>
<span class="nv">token = </span><span class="nx">@tokens</span><span class="p">[</span><span class="nx">@pos</span><span class="o">++</span><span class="p">]</span>
<span class="k">if</span> <span class="nx">token</span>
@ -122,8 +538,83 @@ directly as a "Jison lexer".</p> </td> <td class="code">
<span class="nv">setInput: </span><span class="nf">(@tokens) -&gt;</span>
<span class="vi">@pos = </span><span class="mi">0</span>
<span class="nv">upcomingInput: </span><span class="nf">-&gt;</span>
<span class="s">&quot;&quot;</span>
<span class="s">&quot;&quot;</span></pre></div></div>
<span class="nv">parser.yy = </span><span class="nx">require</span> <span class="s">&#39;./nodes&#39;</span>
</li>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
<li id="section-20">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-20">&#182;</a>
</div>
<p>Make all the AST nodes visible to the parser.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">parser.yy = </span><span class="nx">require</span> <span class="s">&#39;./nodes&#39;</span></pre></div></div>
</li>
<li id="section-21">
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<div class="pilwrap">
<a class="pilcrow" href="#section-21">&#182;</a>
</div>
<p>Override Jison&#39;s default error handling function.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">parser.yy.parseError = </span><span class="nf">(message, {token}) -&gt;</span></pre></div></div>
</li>
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</div>
<p>Disregard Jison&#39;s message, it contains redundant line numer information.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">message = </span><span class="s">&quot;unexpected </span><span class="si">#{</span><span class="k">if</span> <span class="nx">token</span> <span class="o">is</span> <span class="mi">1</span> <span class="k">then</span> <span class="s">&#39;end of input&#39;</span> <span class="k">else</span> <span class="nx">token</span><span class="si">}</span><span class="s">&quot;</span></pre></div></div>
</li>
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<p>The second argument has a <code>loc</code> property, which should have the location
data for this token. Unfortunately, Jison seems to send an outdated <code>loc</code>
(from the previous token), so we take the location information directly
from the lexer.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">helpers</span><span class="p">.</span><span class="nx">throwSyntaxError</span> <span class="nx">message</span><span class="p">,</span> <span class="nx">parser</span><span class="p">.</span><span class="nx">lexer</span><span class="p">.</span><span class="nx">yylloc</span>
</pre></div></div>
</li>
</ul>
</div>
</body>
</html>

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@ -1,8 +1,124 @@
<!DOCTYPE html> <html> <head> <title>command.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> command.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
<!DOCTYPE html>
<html>
<head>
<title>command.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<ul class="sections">
<li id="title">
<div class="annotation">
<h1>command.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
into various forms: saved into <code>.js</code> files or printed to stdout, piped to
<a href="http://javascriptlint.com/">JavaScript Lint</a> or recompiled every time the source is
saved, printed as a token stream or as the syntax tree, or launch an
interactive REPL.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>External dependencies.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
interactive REPL.
</p>
<p>External dependencies.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">&#39;fs&#39;</span>
<span class="nv">path = </span><span class="nx">require</span> <span class="s">&#39;path&#39;</span>
<span class="nv">helpers = </span><span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="nv">optparse = </span><span class="nx">require</span> <span class="s">&#39;./optparse&#39;</span>
@ -10,16 +126,67 @@ interactive REPL.</p> </td> <td class="code">
<span class="p">{</span><span class="nx">spawn</span><span class="p">,</span> <span class="nx">exec</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;child_process&#39;</span>
<span class="p">{</span><span class="nx">EventEmitter</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;events&#39;</span>
<span class="nv">exists = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">exists</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Allow CoffeeScript to emit Node.js events.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">CoffeeScript</span><span class="p">,</span> <span class="k">new</span> <span class="nx">EventEmitter</span>
<span class="nv">exists = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">exists</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Allow CoffeeScript to emit Node.js events.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">CoffeeScript</span><span class="p">,</span> <span class="k">new</span> <span class="nx">EventEmitter</span>
<span class="nv">printLine = </span><span class="nf">(line) -&gt;</span> <span class="nx">process</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="nx">line</span> <span class="o">+</span> <span class="s">&#39;\n&#39;</span>
<span class="nv">printWarn = </span><span class="nf">(line) -&gt;</span> <span class="nx">process</span><span class="p">.</span><span class="nx">stderr</span><span class="p">.</span><span class="nx">write</span> <span class="nx">line</span> <span class="o">+</span> <span class="s">&#39;\n&#39;</span>
<span class="nv">hidden = </span><span class="nf">(file) -&gt;</span> <span class="o">/^</span><span class="err">\</span><span class="p">.</span><span class="o">|~</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>The help banner that is printed when <code>coffee</code> is called without arguments.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">BANNER = </span><span class="s">&#39;&#39;&#39;</span>
<span class="nv">hidden = </span><span class="nf">(file) -&gt;</span> <span class="o">/^</span><span class="err">\</span><span class="p">.</span><span class="o">|~</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>The help banner that is printed when <code>coffee</code> is called without arguments.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">BANNER = </span><span class="s">&#39;&#39;&#39;</span>
<span class="s"> Usage: coffee [options] path/to/script.coffee -- [args]</span>
<span class="s"> If called without options, `coffee` will run your script.</span>
<span class="s">&#39;&#39;&#39;</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>The list of all the valid option flags that <code>coffee</code> knows how to handle.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">SWITCHES = </span><span class="p">[</span>
<span class="s">&#39;&#39;&#39;</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>The list of all the valid option flags that <code>coffee</code> knows how to handle.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">SWITCHES = </span><span class="p">[</span>
<span class="p">[</span><span class="s">&#39;-b&#39;</span><span class="p">,</span> <span class="s">&#39;--bare&#39;</span><span class="p">,</span> <span class="s">&#39;compile without a top-level function wrapper&#39;</span><span class="p">]</span>
<span class="p">[</span><span class="s">&#39;-c&#39;</span><span class="p">,</span> <span class="s">&#39;--compile&#39;</span><span class="p">,</span> <span class="s">&#39;compile to JavaScript and save as .js files&#39;</span><span class="p">]</span>
<span class="p">[</span><span class="s">&#39;-e&#39;</span><span class="p">,</span> <span class="s">&#39;--eval&#39;</span><span class="p">,</span> <span class="s">&#39;pass a string from the command line as input&#39;</span><span class="p">]</span>
@ -36,14 +203,48 @@ interactive REPL.</p> </td> <td class="code">
<span class="p">[</span><span class="s">&#39;-t&#39;</span><span class="p">,</span> <span class="s">&#39;--tokens&#39;</span><span class="p">,</span> <span class="s">&#39;print out the tokens that the lexer/rewriter produce&#39;</span><span class="p">]</span>
<span class="p">[</span><span class="s">&#39;-v&#39;</span><span class="p">,</span> <span class="s">&#39;--version&#39;</span><span class="p">,</span> <span class="s">&#39;display the version number&#39;</span><span class="p">]</span>
<span class="p">[</span><span class="s">&#39;-w&#39;</span><span class="p">,</span> <span class="s">&#39;--watch&#39;</span><span class="p">,</span> <span class="s">&#39;watch scripts for changes and rerun commands&#39;</span><span class="p">]</span>
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Top-level objects shared by all the functions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">opts = </span><span class="p">{}</span>
<span class="p">]</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>Top-level objects shared by all the functions.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">opts = </span><span class="p">{}</span>
<span class="nv">sources = </span><span class="p">[]</span>
<span class="nv">sourceCode = </span><span class="p">[]</span>
<span class="nv">notSources = </span><span class="p">{}</span>
<span class="nv">watchers = </span><span class="p">{}</span>
<span class="nv">optionParser = </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Run <code>coffee</code> by parsing passed options and determining what action to take.
<span class="nv">optionParser = </span><span class="kc">null</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>Run <code>coffee</code> by parsing passed options and determining what action to take.
Many flags cause us to divert before compiling anything. Flags passed after
<code>--</code> will be passed verbatim to your script as arguments in <code>process.argv</code></p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">-&gt;</span>
<code>--</code> will be passed verbatim to your script as arguments in <code>process.argv</code>
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">-&gt;</span>
<span class="nx">parseOptions</span><span class="p">()</span>
<span class="k">return</span> <span class="nx">forkNode</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">nodejs</span>
<span class="k">return</span> <span class="nx">usage</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">help</span>
@ -58,9 +259,26 @@ Many flags cause us to divert before compiling anything. Flags passed after
<span class="nv">process.argv = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="mi">1</span><span class="p">].</span><span class="nx">concat</span> <span class="nx">literals</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="s">&#39;coffee&#39;</span>
<span class="k">for</span> <span class="nx">source</span> <span class="k">in</span> <span class="nx">sources</span>
<span class="nx">compilePath</span> <span class="nx">source</span><span class="p">,</span> <span class="kc">yes</span><span class="p">,</span> <span class="nx">path</span><span class="p">.</span><span class="nx">normalize</span> <span class="nx">source</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Compile a path, which could be a script or a directory. If a directory
is passed, recursively compile all '.coffee', '.litcoffee', and '.coffee.md'
extension source files in it and all subdirectories.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compilePath = </span><span class="nf">(source, topLevel, base) -&gt;</span>
<span class="nx">compilePath</span> <span class="nx">source</span><span class="p">,</span> <span class="kc">yes</span><span class="p">,</span> <span class="nx">path</span><span class="p">.</span><span class="nx">normalize</span> <span class="nx">source</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Compile a path, which could be a script or a directory. If a directory
is passed, recursively compile all &#39;.coffee&#39;, &#39;.litcoffee&#39;, and &#39;.coffee.md&#39;
extension source files in it and all subdirectories.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">compilePath = </span><span class="nf">(source, topLevel, base) -&gt;</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">stat</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, stats) -&gt;</span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">&#39;ENOENT&#39;</span>
<span class="k">if</span> <span class="nx">err</span><span class="o">?</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">&#39;ENOENT&#39;</span>
@ -85,11 +303,28 @@ extension source files in it and all subdirectories.</p> </td>
<span class="nx">compileScript</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">base</span><span class="p">)</span>
<span class="k">else</span>
<span class="nx">notSources</span><span class="p">[</span><span class="nx">source</span><span class="p">]</span> <span class="o">=</span> <span class="kc">yes</span>
<span class="nx">removeSource</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Compile a single source script, containing the given code, according to the
<span class="nx">removeSource</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Compile a single source script, containing the given code, according to the
requested options. If evaluating the script directly sets <code>__filename</code>,
<code>__dirname</code> and <code>module.filename</code> to be correct relative to the script's path.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileScript = </span><span class="nf">(file, input, base) -&gt;</span>
<code>__dirname</code> and <code>module.filename</code> to be correct relative to the script&#39;s path.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">compileScript = </span><span class="nf">(file, input, base=null) -&gt;</span>
<span class="nv">o = </span><span class="nx">opts</span>
<span class="nv">options = </span><span class="nx">compileOptions</span> <span class="nx">file</span>
<span class="nv">options = </span><span class="nx">compileOptions</span> <span class="nx">file</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">try</span>
<span class="nv">t = task = </span><span class="p">{</span><span class="nx">file</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="nx">options</span><span class="p">}</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s">&#39;compile&#39;</span><span class="p">,</span> <span class="nx">task</span>
@ -97,6 +332,7 @@ requested options. If evaluating the script directly sets <code>__filename</code
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">nodes</span> <span class="k">then</span> <span class="nx">printLine</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">nodes</span><span class="p">(</span><span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span><span class="p">).</span><span class="nx">toString</span><span class="p">().</span><span class="nx">trim</span><span class="p">()</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">run</span> <span class="k">then</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">join</span> <span class="o">and</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span> <span class="o">isnt</span> <span class="nx">o</span><span class="p">.</span><span class="nx">join</span>
<span class="nv">t.input = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">invertLiterate</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span> <span class="k">if</span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">isLiterate</span> <span class="nx">file</span>
<span class="nx">sourceCode</span><span class="p">[</span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">)]</span> <span class="o">=</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span>
<span class="nx">compileJoin</span><span class="p">()</span>
<span class="k">else</span>
@ -110,31 +346,86 @@ requested options. If evaluating the script directly sets <code>__filename</code
<span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">print</span>
<span class="nx">printLine</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">trim</span><span class="p">()</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="o">||</span> <span class="nx">o</span><span class="p">.</span><span class="nx">map</span>
<span class="nx">writeJs</span> <span class="nx">base</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">sourceMap</span>
<span class="nx">writeJs</span> <span class="nx">base</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">options</span><span class="p">.</span><span class="nx">jsPath</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">sourceMap</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">lint</span>
<span class="nx">lint</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span>
<span class="k">catch</span> <span class="nx">err</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s">&#39;failure&#39;</span><span class="p">,</span> <span class="nx">err</span><span class="p">,</span> <span class="nx">task</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">listeners</span><span class="p">(</span><span class="s">&#39;failure&#39;</span><span class="p">).</span><span class="nx">length</span>
<span class="k">return</span> <span class="nx">printLine</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span> <span class="o">+</span> <span class="s">&#39;\x07&#39;</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">printWarn</span> <span class="nx">err</span> <span class="k">instanceof</span> <span class="nb">Error</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">stack</span> <span class="o">or</span> <span class="s">&quot;ERROR: </span><span class="si">#{</span><span class="nx">err</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
and write them back to <strong>stdout</strong>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileStdio = </span><span class="nf">-&gt;</span>
<span class="nv">useColors = </span><span class="nx">process</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="nx">isTTY</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">NODE_DISABLE_COLORS</span>
<span class="nv">message = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">prettyErrorMessage</span> <span class="nx">err</span><span class="p">,</span> <span class="nx">file</span> <span class="o">or</span> <span class="s">&#39;[stdin]&#39;</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="nx">useColors</span>
<span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">printLine</span> <span class="nx">message</span> <span class="o">+</span> <span class="s">&#39;\x07&#39;</span>
<span class="k">else</span>
<span class="nx">printWarn</span> <span class="nx">message</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span></pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
and write them back to <strong>stdout</strong>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">compileStdio = </span><span class="nf">-&gt;</span>
<span class="nv">code = </span><span class="s">&#39;&#39;</span>
<span class="nv">stdin = </span><span class="nx">process</span><span class="p">.</span><span class="nx">openStdin</span><span class="p">()</span>
<span class="nx">stdin</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;data&#39;</span><span class="p">,</span> <span class="nf">(buffer) -&gt;</span>
<span class="nx">code</span> <span class="o">+=</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">()</span> <span class="k">if</span> <span class="nx">buffer</span>
<span class="nx">stdin</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;end&#39;</span><span class="p">,</span> <span class="nf">-&gt;</span>
<span class="nx">compileScript</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">code</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>If all of the source files are done being read, concatenate and compile
them together.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">joinTimeout = </span><span class="kc">null</span>
<span class="nx">compileScript</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">code</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>If all of the source files are done being read, concatenate and compile
them together.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">joinTimeout = </span><span class="kc">null</span>
<span class="nv">compileJoin = </span><span class="nf">-&gt;</span>
<span class="k">return</span> <span class="k">unless</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span>
<span class="k">unless</span> <span class="nx">sourceCode</span><span class="p">.</span><span class="nx">some</span><span class="p">(</span><span class="nf">(code) -&gt;</span> <span class="nx">code</span> <span class="o">is</span> <span class="kc">null</span><span class="p">)</span>
<span class="nx">clearTimeout</span> <span class="nx">joinTimeout</span>
<span class="nv">joinTimeout = </span><span class="nx">wait</span> <span class="mi">100</span><span class="p">,</span> <span class="nf">-&gt;</span>
<span class="nx">compileScript</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span><span class="p">,</span> <span class="nx">sourceCode</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">),</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p>Watch a source CoffeeScript file using <code>fs.watch</code>, recompiling it every
<span class="nx">compileScript</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span><span class="p">,</span> <span class="nx">sourceCode</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">),</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</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>Watch a source CoffeeScript file using <code>fs.watch</code>, recompiling it every
time the file is updated. May be used in combination with other options,
such as <code>--lint</code> or <code>--print</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">watch = </span><span class="nf">(source, base) -&gt;</span>
such as <code>--lint</code> or <code>--print</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">watch = </span><span class="nf">(source, base) -&gt;</span>
<span class="nv">prevStats = </span><span class="kc">null</span>
<span class="nv">compileTimeout = </span><span class="kc">null</span>
@ -170,7 +461,24 @@ such as <code>--lint</code> or <code>--print</code>.</p> </td>
<span class="nv">rewatch = </span><span class="nf">-&gt;</span>
<span class="nx">watcher</span><span class="o">?</span><span class="p">.</span><span class="nx">close</span><span class="p">()</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">compile</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>Watch a directory of files for new additions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">watchDir = </span><span class="nf">(source, base) -&gt;</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">compile</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>Watch a directory of files for new additions.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">watchDir = </span><span class="nf">(source, base) -&gt;</span>
<span class="nv">readdirTimeout = </span><span class="kc">null</span>
<span class="k">try</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">-&gt;</span>
@ -195,8 +503,25 @@ such as <code>--lint</code> or <code>--print</code>.</p> </td>
<span class="nv">toRemove = </span><span class="p">(</span><span class="nx">file</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">sources</span> <span class="k">when</span> <span class="nx">file</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">&gt;=</span> <span class="mi">0</span><span class="p">)</span>
<span class="nx">removeSource</span> <span class="nx">file</span><span class="p">,</span> <span class="nx">base</span><span class="p">,</span> <span class="kc">yes</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">toRemove</span>
<span class="k">return</span> <span class="k">unless</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">some</span> <span class="nf">(s, i) -&gt;</span> <span class="nx">prevSources</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">isnt</span> <span class="nx">s</span>
<span class="nx">compileJoin</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>Remove a file from our source list, and source code cache. Optionally remove
the compiled JS version as well.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">removeSource = </span><span class="nf">(source, base, removeJs) -&gt;</span>
<span class="nx">compileJoin</span><span class="p">()</span></pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Remove a file from our source list, and source code cache. Optionally remove
the compiled JS version as well.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">removeSource = </span><span class="nf">(source, base, removeJs) -&gt;</span>
<span class="nv">index = </span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">source</span>
<span class="nx">sources</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">index</span><span class="p">,</span> <span class="mi">1</span>
<span class="nx">sourceCode</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">index</span><span class="p">,</span> <span class="mi">1</span>
@ -206,24 +531,58 @@ the compiled JS version as well.</p> </td> <td class="co
<span class="k">if</span> <span class="nx">itExists</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">unlink</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nf">(err) -&gt;</span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">&#39;ENOENT&#39;</span>
<span class="nx">timeLog</span> <span class="s">&quot;removed </span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">&quot;</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>Get the corresponding output JavaScript path for a source file.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">outputPath = </span><span class="nf">(source, base, extension=&quot;.js&quot;) -&gt;</span>
<span class="nx">timeLog</span> <span class="s">&quot;removed </span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">&quot;</span></pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Get the corresponding output JavaScript path for a source file.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">outputPath = </span><span class="nf">(source, base, extension=&quot;.js&quot;) -&gt;</span>
<span class="nv">basename = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span> <span class="nx">source</span><span class="p">,</span> <span class="kc">yes</span>
<span class="nv">srcDir = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">source</span>
<span class="nv">baseDir = </span><span class="k">if</span> <span class="nx">base</span> <span class="o">is</span> <span class="s">&#39;.&#39;</span> <span class="k">then</span> <span class="nx">srcDir</span> <span class="k">else</span> <span class="nx">srcDir</span><span class="p">.</span><span class="nx">substring</span> <span class="nx">base</span><span class="p">.</span><span class="nx">length</span>
<span class="nv">dir = </span><span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span> <span class="k">then</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">baseDir</span> <span class="k">else</span> <span class="nx">srcDir</span>
<span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="nx">basename</span> <span class="o">+</span> <span class="nx">extension</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">&#182;</a> </div> <p>Write out a JavaScript source file with the compiled code. By default, files
are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
directory can be customized with <code>--output</code>.</p>
<span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="nx">basename</span> <span class="o">+</span> <span class="nx">extension</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>Write out a JavaScript source file with the compiled code. By default, files
are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
directory can be customized with <code>--output</code>.
</p>
<p>If <code>generatedSourceMap</code> is provided, this will write a <code>.map</code> file into the
same directory as the <code>.js</code> file.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">writeJs = </span><span class="nf">(base, sourcePath, js, generatedSourceMap = null) -&gt;</span>
<span class="nv">jsPath = </span><span class="nx">outputPath</span> <span class="nx">sourcePath</span><span class="p">,</span> <span class="nx">base</span>
same directory as the <code>.js</code> file.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">writeJs = </span><span class="nf">(base, sourcePath, js, jsPath, generatedSourceMap = null) -&gt;</span>
<span class="nv">sourceMapPath = </span><span class="nx">outputPath</span> <span class="nx">sourcePath</span><span class="p">,</span> <span class="nx">base</span><span class="p">,</span> <span class="s">&quot;.map&quot;</span>
<span class="nv">jsDir = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">jsPath</span>
<span class="nv">compile = </span><span class="nf">-&gt;</span>
<span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">compile</span>
<span class="nv">js = </span><span class="s">&#39; &#39;</span> <span class="k">if</span> <span class="nx">js</span><span class="p">.</span><span class="nx">length</span> <span class="o">&lt;=</span> <span class="mi">0</span>
<span class="k">if</span> <span class="nx">generatedSourceMap</span> <span class="k">then</span> <span class="nv">js = </span><span class="s">&quot;//@ sourceMappingURL=</span><span class="si">#{</span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span> <span class="nx">sourceMapPath</span><span class="si">}</span><span class="s">\n</span><span class="si">#{</span><span class="nx">js</span><span class="si">}</span><span class="s">&quot;</span>
<span class="k">if</span> <span class="nx">generatedSourceMap</span> <span class="k">then</span> <span class="nv">js = </span><span class="s">&quot;</span><span class="si">#{</span><span class="nx">js</span><span class="si">}</span><span class="s">\n/*\n//@ sourceMappingURL=</span><span class="si">#{</span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span> <span class="nx">sourceMapPath</span><span class="si">}</span><span class="s">\n*/\n&quot;</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">writeFile</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nx">js</span><span class="p">,</span> <span class="nf">(err) -&gt;</span>
<span class="k">if</span> <span class="nx">err</span>
<span class="nx">printLine</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span>
@ -234,22 +593,107 @@ same directory as the <code>.js</code> file.</p> </td> <
<span class="k">if</span> <span class="nx">err</span>
<span class="nx">printLine</span> <span class="s">&quot;Could not write source map: </span><span class="si">#{</span><span class="nx">err</span><span class="p">.</span><span class="nx">message</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">exists</span> <span class="nx">jsDir</span><span class="p">,</span> <span class="nf">(itExists) -&gt;</span>
<span class="k">if</span> <span class="nx">itExists</span> <span class="k">then</span> <span class="nx">compile</span><span class="p">()</span> <span class="k">else</span> <span class="nx">exec</span> <span class="s">&quot;mkdir -p </span><span class="si">#{</span><span class="nx">jsDir</span><span class="si">}</span><span class="s">&quot;</span><span class="p">,</span> <span class="nx">compile</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">&#182;</a> </div> <p>Convenience for cleaner setTimeouts.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">wait = </span><span class="nf">(milliseconds, func) -&gt;</span> <span class="nx">setTimeout</span> <span class="nx">func</span><span class="p">,</span> <span class="nx">milliseconds</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">&#182;</a> </div> <p>When watching scripts, it's useful to log changes with the timestamp.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">timeLog = </span><span class="nf">(message) -&gt;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">&quot;</span><span class="si">#{</span><span class="p">(</span><span class="k">new</span> <span class="nb">Date</span><span class="p">).</span><span class="nx">toLocaleTimeString</span><span class="p">()</span><span class="si">}</span><span class="s"> - </span><span class="si">#{</span><span class="nx">message</span><span class="si">}</span><span class="s">&quot;</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">&#182;</a> </div> <p>Pipe compiled JS through JSLint (requires a working <code>jsl</code> command), printing
any errors or warnings that arise.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">lint = </span><span class="nf">(file, js) -&gt;</span>
<span class="k">if</span> <span class="nx">itExists</span> <span class="k">then</span> <span class="nx">compile</span><span class="p">()</span> <span class="k">else</span> <span class="nx">exec</span> <span class="s">&quot;mkdir -p </span><span class="si">#{</span><span class="nx">jsDir</span><span class="si">}</span><span class="s">&quot;</span><span class="p">,</span> <span class="nx">compile</span></pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-16">&#182;</a>
</div>
<p>Convenience for cleaner setTimeouts.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">wait = </span><span class="nf">(milliseconds, func) -&gt;</span> <span class="nx">setTimeout</span> <span class="nx">func</span><span class="p">,</span> <span class="nx">milliseconds</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>When watching scripts, it&#39;s useful to log changes with the timestamp.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">timeLog = </span><span class="nf">(message) -&gt;</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">&quot;</span><span class="si">#{</span><span class="p">(</span><span class="k">new</span> <span class="nb">Date</span><span class="p">).</span><span class="nx">toLocaleTimeString</span><span class="p">()</span><span class="si">}</span><span class="s"> - </span><span class="si">#{</span><span class="nx">message</span><span class="si">}</span><span class="s">&quot;</span></pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-18">&#182;</a>
</div>
<p>Pipe compiled JS through JSLint (requires a working <code>jsl</code> command), printing
any errors or warnings that arise.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">lint = </span><span class="nf">(file, js) -&gt;</span>
<span class="nv">printIt = </span><span class="nf">(buffer) -&gt;</span> <span class="nx">printLine</span> <span class="nx">file</span> <span class="o">+</span> <span class="s">&#39;:\t&#39;</span> <span class="o">+</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">trim</span><span class="p">()</span>
<span class="nv">conf = </span><span class="nx">__dirname</span> <span class="o">+</span> <span class="s">&#39;/../../extras/jsl.conf&#39;</span>
<span class="nv">jsl = </span><span class="nx">spawn</span> <span class="s">&#39;jsl&#39;</span><span class="p">,</span> <span class="p">[</span><span class="s">&#39;-nologo&#39;</span><span class="p">,</span> <span class="s">&#39;-stdin&#39;</span><span class="p">,</span> <span class="s">&#39;-conf&#39;</span><span class="p">,</span> <span class="nx">conf</span><span class="p">]</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;data&#39;</span><span class="p">,</span> <span class="nx">printIt</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stderr</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;data&#39;</span><span class="p">,</span> <span class="nx">printIt</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">write</span> <span class="nx">js</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">end</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-20">&#182;</a> </div> <p>Pretty-print a stream of tokens, sans location data.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">printTokens = </span><span class="nf">(tokens) -&gt;</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">end</span><span class="p">()</span></pre></div></div>
</li>
<li id="section-19">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-19">&#182;</a>
</div>
<p>Pretty-print a stream of tokens, sans location data.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">printTokens = </span><span class="nf">(tokens) -&gt;</span>
<span class="nv">strings = </span><span class="k">for</span> <span class="nx">token</span> <span class="k">in</span> <span class="nx">tokens</span>
<span class="nv">tag = </span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="nv">value = </span><span class="nx">token</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">toString</span><span class="p">().</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\n/</span><span class="p">,</span> <span class="s">&#39;\\n&#39;</span><span class="p">)</span>
<span class="s">&quot;[</span><span class="si">#{</span><span class="nx">tag</span><span class="si">}</span><span class="s"> </span><span class="si">#{</span><span class="nx">value</span><span class="si">}</span><span class="s">]&quot;</span>
<span class="nx">printLine</span> <span class="nx">strings</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39; &#39;</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-21">&#182;</a> </div> <p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
<code>process.argv</code> that are specified in <code>SWITCHES</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">parseOptions = </span><span class="nf">-&gt;</span>
<span class="nx">printLine</span> <span class="nx">strings</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39; &#39;</span><span class="p">)</span></pre></div></div>
</li>
<li id="section-20">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-20">&#182;</a>
</div>
<p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
<code>process.argv</code> that are specified in <code>SWITCHES</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">parseOptions = </span><span class="nf">-&gt;</span>
<span class="nv">optionParser = </span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">SWITCHES</span><span class="p">,</span> <span class="nx">BANNER</span>
<span class="nv">o = opts = </span><span class="nx">optionParser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">2</span><span class="p">..]</span>
<span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="o">or=</span> <span class="o">!!</span><span class="nx">o</span><span class="p">.</span><span class="nx">output</span>
@ -257,24 +701,115 @@ any errors or warnings that arise.</p> </td> <td class="
<span class="nv">o.print = </span><span class="o">!!</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="o">or</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nb">eval</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">stdio</span> <span class="o">and</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span><span class="p">))</span>
<span class="nv">sources = </span><span class="nx">o</span><span class="p">.</span><span class="nx">arguments</span>
<span class="nx">sourceCode</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="kc">null</span> <span class="k">for</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">i</span> <span class="k">in</span> <span class="nx">sources</span>
<span class="k">return</span></pre></div> </td> </tr> <tr id="section-22"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-22">&#182;</a> </div> <p>The compile-time options to pass to the CoffeeScript compiler.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileOptions = </span><span class="nf">(filename) -&gt;</span>
<span class="p">{</span>
<span class="k">return</span></pre></div></div>
</li>
<li id="section-21">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-21">&#182;</a>
</div>
<p>The compile-time options to pass to the CoffeeScript compiler.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">compileOptions = </span><span class="nf">(filename, base) -&gt;</span>
<span class="nv">answer = </span><span class="p">{</span>
<span class="nx">filename</span>
<span class="nv">literate: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">isLiterate</span><span class="p">(</span><span class="nx">filename</span><span class="p">)</span>
<span class="nv">bare: </span><span class="nx">opts</span><span class="p">.</span><span class="nx">bare</span>
<span class="nv">header: </span><span class="nx">opts</span><span class="p">.</span><span class="nx">compile</span>
<span class="nv">sourceMap: </span><span class="nx">opts</span><span class="p">.</span><span class="nx">map</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-23"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-23">&#182;</a> </div> <p>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> </td> <td class="code"> <div class="highlight"><pre><span class="nv">forkNode = </span><span class="nf">-&gt;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="nx">filename</span>
<span class="k">if</span> <span class="nx">base</span>
<span class="nv">cwd = </span><span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
<span class="nv">jsPath = </span><span class="nx">outputPath</span> <span class="nx">filename</span><span class="p">,</span> <span class="nx">base</span>
<span class="nv">jsDir = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">jsPath</span>
<span class="nv">answer = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">merge</span> <span class="nx">answer</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">jsPath</span>
<span class="nv">sourceRoot: </span><span class="nx">path</span><span class="p">.</span><span class="nx">relative</span> <span class="nx">jsDir</span><span class="p">,</span> <span class="nx">cwd</span>
<span class="nv">sourceFiles: </span><span class="p">[</span><span class="nx">path</span><span class="p">.</span><span class="nx">relative</span> <span class="nx">cwd</span><span class="p">,</span> <span class="nx">filename</span><span class="p">]</span>
<span class="nv">generatedFile: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span><span class="p">(</span><span class="nx">jsPath</span><span class="p">)</span>
<span class="p">}</span>
<span class="k">else</span>
<span class="nv">answer = </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">merge</span> <span class="nx">answer</span><span class="p">,</span>
<span class="nv">sourceRoot: </span><span class="s">&quot;&quot;</span>
<span class="nv">sourceFiles: </span><span class="p">[</span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span> <span class="nx">filename</span><span class="p">]</span>
<span class="nv">generatedFile: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">baseFileName</span><span class="p">(</span><span class="nx">filename</span><span class="p">,</span> <span class="kc">yes</span><span class="p">)</span> <span class="o">+</span> <span class="s">&quot;.js&quot;</span>
<span class="nx">answer</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>Start up a new Node.js instance with the arguments in <code>--nodejs</code> passed to
the <code>node</code> binary, preserving the other options.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">forkNode = </span><span class="nf">-&gt;</span>
<span class="nv">nodeArgs = </span><span class="nx">opts</span><span class="p">.</span><span class="nx">nodejs</span><span class="p">.</span><span class="nx">split</span> <span class="sr">/\s+/</span>
<span class="nv">args = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">..]</span>
<span class="nx">args</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">args</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="s">&#39;--nodejs&#39;</span><span class="p">),</span> <span class="mi">2</span>
<span class="nx">spawn</span> <span class="nx">process</span><span class="p">.</span><span class="nx">execPath</span><span class="p">,</span> <span class="nx">nodeArgs</span><span class="p">.</span><span class="nx">concat</span><span class="p">(</span><span class="nx">args</span><span class="p">),</span>
<span class="nv">cwd: </span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
<span class="nv">env: </span> <span class="nx">process</span><span class="p">.</span><span class="nx">env</span>
<span class="nv">customFds: </span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-24">&#182;</a> </div> <p>Print the <code>--help</code> usage message and exit. Deprecated switches are not
shown.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">usage = </span><span class="nf">-&gt;</span>
<span class="nx">printLine</span> <span class="p">(</span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">SWITCHES</span><span class="p">,</span> <span class="nx">BANNER</span><span class="p">).</span><span class="nx">help</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-25">&#182;</a> </div> <p>Print the <code>--version</code> message and exit.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">version = </span><span class="nf">-&gt;</span>
<span class="nv">customFds: </span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]</span></pre></div></div>
</li>
<li id="section-23">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-23">&#182;</a>
</div>
<p>Print the <code>--help</code> usage message and exit. Deprecated switches are not
shown.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">usage = </span><span class="nf">-&gt;</span>
<span class="nx">printLine</span> <span class="p">(</span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">SWITCHES</span><span class="p">,</span> <span class="nx">BANNER</span><span class="p">).</span><span class="nx">help</span><span class="p">()</span></pre></div></div>
</li>
<li id="section-24">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-24">&#182;</a>
</div>
<p>Print the <code>--version</code> message and exit.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">version = </span><span class="nf">-&gt;</span>
<span class="nx">printLine</span> <span class="s">&quot;CoffeeScript version </span><span class="si">#{</span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">VERSION</span><span class="si">}</span><span class="s">&quot;</span>
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<!DOCTYPE html> <html> <head> <title>helpers.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> helpers.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>This file contains the common helper functions that we'd like to share among
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<h1>helpers.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<p>This file contains the common helper functions that we&#39;d like to share among
the <strong>Lexer</strong>, <strong>Rewriter</strong>, and the <strong>Nodes</strong>. Merge objects, flatten
arrays, count characters, that sort of thing.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Peek at the beginning of a given string to see if it matches a sequence.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.starts = </span><span class="nf">(string, literal, start) -&gt;</span>
<span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">start</span><span class="p">,</span> <span class="nx">literal</span><span class="p">.</span><span class="nx">length</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Peek at the end of a given string to see if it matches a sequence.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ends = </span><span class="nf">(string, literal, back) -&gt;</span>
arrays, count characters, that sort of thing.
</p>
<p>Peek at the beginning of a given string to see if it matches a sequence.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.starts = </span><span class="nf">(string, literal, start) -&gt;</span>
<span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">start</span><span class="p">,</span> <span class="nx">literal</span><span class="p">.</span><span class="nx">length</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>Peek at the end of a given string to see if it matches a sequence.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.ends = </span><span class="nf">(string, literal, back) -&gt;</span>
<span class="nv">len = </span><span class="nx">literal</span><span class="p">.</span><span class="nx">length</span>
<span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">string</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">len</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">),</span> <span class="nx">len</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>Trim out all falsy values from an array.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.compact = </span><span class="nf">(array) -&gt;</span>
<span class="nx">item</span> <span class="k">for</span> <span class="nx">item</span> <span class="k">in</span> <span class="nx">array</span> <span class="k">when</span> <span class="nx">item</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Count the number of occurrences of a string in a string.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.count = </span><span class="nf">(string, substr) -&gt;</span>
<span class="nx">literal</span> <span class="o">is</span> <span class="nx">string</span><span class="p">.</span><span class="nx">substr</span> <span class="nx">string</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">len</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">),</span> <span class="nx">len</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Repeat a string <code>n</code> times.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.repeat = repeat = </span><span class="nf">(str, n) -&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>Use clever algorithm to have O(log(n)) string concatenation operations.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">res = </span><span class="s">&#39;&#39;</span>
<span class="k">while</span> <span class="nx">n</span> <span class="o">&gt;</span> <span class="mi">0</span>
<span class="nx">res</span> <span class="o">+=</span> <span class="nx">str</span> <span class="k">if</span> <span class="nx">n</span> <span class="o">&amp;</span> <span class="mi">1</span>
<span class="nx">n</span> <span class="o">&gt;&gt;&gt;=</span> <span class="mi">1</span>
<span class="nx">str</span> <span class="o">+=</span> <span class="nx">str</span>
<span class="nx">res</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>Trim out all falsy values from an array.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.compact = </span><span class="nf">(array) -&gt;</span>
<span class="nx">item</span> <span class="k">for</span> <span class="nx">item</span> <span class="k">in</span> <span class="nx">array</span> <span class="k">when</span> <span class="nx">item</span></pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Count the number of occurrences of a string in a string.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.count = </span><span class="nf">(string, substr) -&gt;</span>
<span class="nv">num = pos = </span><span class="mi">0</span>
<span class="k">return</span> <span class="mi">1</span><span class="o">/</span><span class="mi">0</span> <span class="k">unless</span> <span class="nx">substr</span><span class="p">.</span><span class="nx">length</span>
<span class="nx">num</span><span class="o">++</span> <span class="k">while</span> <span class="nv">pos = </span><span class="mi">1</span> <span class="o">+</span> <span class="nx">string</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">substr</span><span class="p">,</span> <span class="nx">pos</span>
<span class="nx">num</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Merge objects, returning a fresh copy with attributes from both sides.
<span class="nx">num</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Merge objects, returning a fresh copy with attributes from both sides.
Used every time <code>Base#compile</code> is called, to allow properties in the
options hash to propagate down the tree without polluting other branches.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.merge = </span><span class="nf">(options, overrides) -&gt;</span>
<span class="nx">extend</span> <span class="p">(</span><span class="nx">extend</span> <span class="p">{},</span> <span class="nx">options</span><span class="p">),</span> <span class="nx">overrides</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Extend a source object with the properties of another object (shallow copy).</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">extend = exports.extend = </span><span class="nf">(object, properties) -&gt;</span>
options hash to propagate down the tree without polluting other branches.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.merge = </span><span class="nf">(options, overrides) -&gt;</span>
<span class="nx">extend</span> <span class="p">(</span><span class="nx">extend</span> <span class="p">{},</span> <span class="nx">options</span><span class="p">),</span> <span class="nx">overrides</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Extend a source object with the properties of another object (shallow copy).
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">extend = exports.extend = </span><span class="nf">(object, properties) -&gt;</span>
<span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">properties</span>
<span class="nx">object</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span>
<span class="nx">object</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Return a flattened version of an array.
Handy for getting a list of <code>children</code> from the nodes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.flatten = flatten = </span><span class="nf">(array) -&gt;</span>
<span class="nx">object</span></pre></div></div>
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<p>Return a flattened version of an array.
Handy for getting a list of <code>children</code> from the nodes.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.flatten = flatten = </span><span class="nf">(array) -&gt;</span>
<span class="nv">flattened = </span><span class="p">[]</span>
<span class="k">for</span> <span class="nx">element</span> <span class="k">in</span> <span class="nx">array</span>
<span class="k">if</span> <span class="nx">element</span> <span class="k">instanceof</span> <span class="nb">Array</span>
<span class="nv">flattened = </span><span class="nx">flattened</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">flatten</span> <span class="nx">element</span>
<span class="k">else</span>
<span class="nx">flattened</span><span class="p">.</span><span class="nx">push</span> <span class="nx">element</span>
<span class="nx">flattened</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Delete a key from an object, returning the value. Useful when a node is
looking for a particular method in an options hash.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.del = </span><span class="nf">(obj, key) -&gt;</span>
<span class="nx">flattened</span></pre></div></div>
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<p>Delete a key from an object, returning the value. Useful when a node is
looking for a particular method in an options hash.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.del = </span><span class="nf">(obj, key) -&gt;</span>
<span class="nv">val = </span> <span class="nx">obj</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span>
<span class="k">delete</span> <span class="nx">obj</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span>
<span class="nx">val</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Gets the last item of an array(-like) object.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.last = </span><span class="nf">(array, back) -&gt;</span> <span class="nx">array</span><span class="p">[</span><span class="nx">array</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>Typical Array::some</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.some = </span><span class="nb">Array</span><span class="o">::</span><span class="nx">some</span> <span class="o">?</span> <span class="nf">(fn) -&gt;</span>
<span class="nx">val</span></pre></div></div>
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<p>Gets the last item of an array(-like) object.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.last = last = </span><span class="nf">(array, back) -&gt;</span> <span class="nx">array</span><span class="p">[</span><span class="nx">array</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="nx">back</span> <span class="o">or</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span></pre></div></div>
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<p>Typical Array::some
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.some = </span><span class="nb">Array</span><span class="o">::</span><span class="nx">some</span> <span class="o">?</span> <span class="nf">(fn) -&gt;</span>
<span class="k">return</span> <span class="kc">true</span> <span class="k">for</span> <span class="nx">e</span> <span class="k">in</span> <span class="k">this</span> <span class="k">when</span> <span class="nx">fn</span> <span class="nx">e</span>
<span class="kc">false</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p>Merge two jison-style location data objects together.
If <code>last</code> is not provided, this will simply return <code>first</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">buildLocationData = </span><span class="nf">(first, last) -&gt;</span>
<span class="kc">false</span></pre></div></div>
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<p>Simple function for inverting Literate CoffeeScript code by putting the
documentation in comments, and bumping the actual code back out to the edge ...
producing a string of CoffeeScript code that can be compiled &quot;normally&quot;.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.invertLiterate = </span><span class="nf">(code) -&gt;</span>
<span class="nv">lines = </span><span class="k">for</span> <span class="nx">line</span> <span class="k">in</span> <span class="nx">code</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">)</span>
<span class="k">if</span> <span class="nv">match = </span><span class="p">(</span><span class="sr">/^([ ]{4}|\t)/</span><span class="p">).</span><span class="nx">exec</span> <span class="nx">line</span>
<span class="nx">line</span><span class="p">[</span><span class="nx">match</span><span class="p">[</span><span class="mi">0</span><span class="p">].</span><span class="nx">length</span><span class="p">..]</span>
<span class="k">else</span>
<span class="s">&#39;# &#39;</span> <span class="o">+</span> <span class="nx">line</span>
<span class="nx">lines</span><span class="p">.</span><span class="nx">join</span> <span class="s">&#39;\n&#39;</span></pre></div></div>
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<p>Merge two jison-style location data objects together.
If <code>last</code> is not provided, this will simply return <code>first</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">buildLocationData = </span><span class="nf">(first, last) -&gt;</span>
<span class="k">if</span> <span class="o">not</span> <span class="nx">last</span>
<span class="nx">first</span>
<span class="k">else</span>
<span class="nv">first_line: </span><span class="nx">first</span><span class="p">.</span><span class="nx">first_line</span>
<span class="nv">first_column: </span><span class="nx">first</span><span class="p">.</span><span class="nx">first_column</span>
<span class="nv">last_line: </span><span class="nx">last</span><span class="p">.</span><span class="nx">last_line</span>
<span class="nv">last_column: </span><span class="nx">last</span><span class="p">.</span><span class="nx">last_column</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>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> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.addLocationDataFn = </span><span class="nf">(first, last) -&gt;</span>
<span class="nv">last_column: </span><span class="nx">last</span><span class="p">.</span><span class="nx">last_column</span></pre></div></div>
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<p>This returns a function which takes an object as a parameter, and if that
object is an AST node, updates that object&#39;s locationData.
The object is returned either way.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.addLocationDataFn = </span><span class="nf">(first, last) -&gt;</span>
<span class="nf">(obj) -&gt;</span>
<span class="k">if</span> <span class="p">((</span><span class="k">typeof</span> <span class="nx">obj</span><span class="p">)</span> <span class="o">is</span> <span class="s">&#39;object&#39;</span><span class="p">)</span> <span class="o">and</span> <span class="p">(</span><span class="o">!!</span><span class="nx">obj</span><span class="p">[</span><span class="s">&#39;updateLocationDataIfMissing&#39;</span><span class="p">])</span>
<span class="nx">obj</span><span class="p">.</span><span class="nx">updateLocationDataIfMissing</span> <span class="nx">buildLocationData</span><span class="p">(</span><span class="nx">first</span><span class="p">,</span> <span class="nx">last</span><span class="p">)</span>
<span class="k">return</span> <span class="nx">obj</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>Convert jison location data to a string.
<code>obj</code> can be a token, or a locationData.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.locationDataToString = </span><span class="nf">(obj) -&gt;</span>
<span class="k">return</span> <span class="nx">obj</span></pre></div></div>
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<p>Convert jison location data to a string.
<code>obj</code> can be a token, or a locationData.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.locationDataToString = </span><span class="nf">(obj) -&gt;</span>
<span class="k">if</span> <span class="p">(</span><span class="s">&quot;2&quot;</span> <span class="k">of</span> <span class="nx">obj</span><span class="p">)</span> <span class="o">and</span> <span class="p">(</span><span class="s">&quot;first_line&quot;</span> <span class="k">of</span> <span class="nx">obj</span><span class="p">[</span><span class="mi">2</span><span class="p">])</span> <span class="k">then</span> <span class="nv">locationData = </span><span class="nx">obj</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
<span class="k">else</span> <span class="k">if</span> <span class="s">&quot;first_line&quot;</span> <span class="k">of</span> <span class="nx">obj</span> <span class="k">then</span> <span class="nv">locationData = </span><span class="nx">obj</span>
@ -51,13 +436,166 @@ updates that object's locationData. The object is returned either way.</p>
<span class="s">&quot;</span><span class="si">#{</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">first_line</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">:</span><span class="si">#{</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">first_column</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">-&quot;</span> <span class="o">+</span>
<span class="s">&quot;</span><span class="si">#{</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">last_line</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">:</span><span class="si">#{</span><span class="nx">locationData</span><span class="p">.</span><span class="nx">last_column</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">&quot;</span>
<span class="k">else</span>
<span class="s">&quot;No location data&quot;</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>A <code>.coffee.md</code> compatible version of <code>basename</code>, that returns the file sans-extension.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.baseFileName = </span><span class="nf">(file, stripExt = no) -&gt;</span>
<span class="s">&quot;No location data&quot;</span></pre></div></div>
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<p>A <code>.coffee.md</code> compatible version of <code>basename</code>, that returns the file sans-extension.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.baseFileName = </span><span class="nf">(file, stripExt = no) -&gt;</span>
<span class="nv">parts = </span><span class="nx">file</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s">&#39;/&#39;</span><span class="p">)</span>
<span class="nv">file = </span><span class="nx">parts</span><span class="p">[</span><span class="nx">parts</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
<span class="k">return</span> <span class="nx">file</span> <span class="k">unless</span> <span class="nx">stripExt</span>
<span class="nv">parts = </span><span class="nx">file</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s">&#39;.&#39;</span><span class="p">)</span>
<span class="nx">parts</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
<span class="nx">parts</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span> <span class="k">if</span> <span class="nx">parts</span><span class="p">[</span><span class="nx">parts</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">is</span> <span class="s">&#39;coffee&#39;</span>
<span class="nx">parts</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;.&#39;</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">&#182;</a> </div> <p>Determine if a filename represents a CoffeeScript file.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.isCoffee = </span><span class="nf">(file) -&gt;</span> <span class="o">/</span><span class="err">\</span><span class="p">.((</span><span class="nx">lit</span><span class="p">)</span><span class="o">?</span><span class="nx">coffee</span><span class="o">|</span><span class="nx">coffee</span><span class="err">\</span><span class="p">.</span><span class="nx">md</span><span class="p">)</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">&#182;</a> </div> <p>Determine if a filename represents a Literate CoffeeScript file.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.isLiterate = </span><span class="nf">(file) -&gt;</span> <span class="o">/</span><span class="err">\</span><span class="p">.(</span><span class="nx">litcoffee</span><span class="o">|</span><span class="nx">coffee</span><span class="err">\</span><span class="p">.</span><span class="nx">md</span><span class="p">)</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span>
<span class="nx">parts</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span> <span class="k">if</span> <span class="nx">parts</span><span class="p">[</span><span class="nx">parts</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">is</span> <span class="s">&#39;coffee&#39;</span> <span class="o">and</span> <span class="nx">parts</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">1</span>
<span class="nx">parts</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;.&#39;</span><span class="p">)</span></pre></div></div>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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<p>Determine if a filename represents a CoffeeScript file.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.isCoffee = </span><span class="nf">(file) -&gt;</span> <span class="o">/</span><span class="err">\</span><span class="p">.((</span><span class="nx">lit</span><span class="p">)</span><span class="o">?</span><span class="nx">coffee</span><span class="o">|</span><span class="nx">coffee</span><span class="err">\</span><span class="p">.</span><span class="nx">md</span><span class="p">)</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div></div>
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<p>Determine if a filename represents a Literate CoffeeScript file.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.isLiterate = </span><span class="nf">(file) -&gt;</span> <span class="o">/</span><span class="err">\</span><span class="p">.(</span><span class="nx">litcoffee</span><span class="o">|</span><span class="nx">coffee</span><span class="err">\</span><span class="p">.</span><span class="nx">md</span><span class="p">)</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div></div>
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<p>Throws a SyntaxError with a source file location data attached to it in a
property called <code>location</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.throwSyntaxError = </span><span class="nf">(message, location) -&gt;</span>
<span class="nx">location</span><span class="p">.</span><span class="nx">last_line</span> <span class="o">?=</span> <span class="nx">location</span><span class="p">.</span><span class="nx">first_line</span>
<span class="nx">location</span><span class="p">.</span><span class="nx">last_column</span> <span class="o">?=</span> <span class="nx">location</span><span class="p">.</span><span class="nx">first_column</span>
<span class="nv">error = </span><span class="k">new</span> <span class="nx">SyntaxError</span> <span class="nx">message</span>
<span class="nv">error.location = </span><span class="nx">location</span>
<span class="k">throw</span> <span class="nx">error</span></pre></div></div>
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<p>Creates a nice error message like, following the &quot;standard&quot; format
</p>
<p><filename>:<line>:<col>: <message> plus the line with the error and a marker
showing where the error is.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.prettyErrorMessage = </span><span class="nf">(error, fileName, code, useColors) -&gt;</span>
<span class="k">return</span> <span class="nx">error</span><span class="p">.</span><span class="nx">stack</span> <span class="o">or</span> <span class="s">&quot;</span><span class="si">#{</span><span class="nx">error</span><span class="si">}</span><span class="s">&quot;</span> <span class="k">unless</span> <span class="nx">error</span><span class="p">.</span><span class="nx">location</span>
<span class="p">{</span><span class="nx">first_line</span><span class="p">,</span> <span class="nx">first_column</span><span class="p">,</span> <span class="nx">last_line</span><span class="p">,</span> <span class="nx">last_column</span><span class="p">}</span> <span class="o">=</span> <span class="nx">error</span><span class="p">.</span><span class="nx">location</span>
<span class="nv">codeLine = </span><span class="nx">code</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">)[</span><span class="nx">first_line</span><span class="p">]</span>
<span class="nv">start = </span><span class="nx">first_column</span></pre></div></div>
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<p>Show only the first line on multi-line errors.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">end = </span><span class="k">if</span> <span class="nx">first_line</span> <span class="o">is</span> <span class="nx">last_line</span> <span class="k">then</span> <span class="nx">last_column</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">codeLine</span><span class="p">.</span><span class="nx">length</span>
<span class="nv">marker = </span><span class="nx">repeat</span><span class="p">(</span><span class="s">&#39; &#39;</span><span class="p">,</span> <span class="nx">start</span><span class="p">)</span> <span class="o">+</span> <span class="nx">repeat</span><span class="p">(</span><span class="s">&#39;^&#39;</span><span class="p">,</span> <span class="nx">end</span> <span class="o">-</span> <span class="nx">start</span><span class="p">)</span>
<span class="k">if</span> <span class="nx">useColors</span>
<span class="nv">colorize = </span><span class="nf">(str) -&gt;</span> <span class="s">&quot;\x1B[1;31m</span><span class="si">#{</span><span class="nx">str</span><span class="si">}</span><span class="s">\x1B[0m&quot;</span>
<span class="nv">codeLine = </span><span class="nx">codeLine</span><span class="p">[...</span><span class="nx">start</span><span class="p">]</span> <span class="o">+</span> <span class="nx">colorize</span><span class="p">(</span><span class="nx">codeLine</span><span class="p">[</span><span class="nx">start</span><span class="p">...</span><span class="nx">end</span><span class="p">])</span> <span class="o">+</span> <span class="nx">codeLine</span><span class="p">[</span><span class="nx">end</span><span class="p">..]</span>
<span class="nv">marker = </span><span class="nx">colorize</span> <span class="nx">marker</span>
<span class="nv">message = </span><span class="s">&quot;&quot;&quot;</span>
<span class="s"> </span><span class="si">#{</span><span class="nx">fileName</span><span class="si">}</span><span class="s">:</span><span class="si">#{</span><span class="nx">first_line</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">:</span><span class="si">#{</span><span class="nx">first_column</span> <span class="o">+</span> <span class="mi">1</span><span class="si">}</span><span class="s">: error: </span><span class="si">#{</span><span class="nx">error</span><span class="p">.</span><span class="nx">message</span><span class="si">}</span><span class="s"></span>
<span class="s"> </span><span class="si">#{</span><span class="nx">codeLine</span><span class="si">}</span><span class="s"></span>
<span class="s"> </span><span class="si">#{</span><span class="nx">marker</span><span class="si">}</span><span class="s"></span>
<span class="s"> &quot;&quot;&quot;</span></pre></div></div>
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<p>Uncomment to add stacktrace.
message += &quot;\n#{error.stack}&quot;
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">message</span>
</pre></div></div>
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<p>Loader for CoffeeScript as a Node.js library.
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<div class="content"><div class="highlight"><pre><span class="nx">exports</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="nx">require</span> <span class="s">&#39;./coffee-script&#39;</span>
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<!DOCTYPE html> <html> <head> <title>optparse.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> optparse.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>A simple <strong>OptionParser</strong> class to parse option flags from the command-line.
Use it like so:</p>
<!DOCTYPE html>
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<head>
<title>optparse.coffee</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<p>A simple <strong>OptionParser</strong> class to parse option flags from the command-line.
Use it like so:
</p>
<pre><code>parser = new OptionParser switches, helpBanner
options = parser.parse process.argv
</code></pre>
options = parser.parse process.argv</code></pre>
<p>The first non-option is considered to be the start of the file (and file
option) list, and all subsequent arguments are left unparsed.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.OptionParser = </span><span class="k">class</span> <span class="nx">OptionParser</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Initialize with a list of valid options, in the form:</p>
option) list, and all subsequent arguments are left unparsed.
<pre><code>[short-flag, long-flag, description]
</code></pre>
</p>
<p>Along with an an optional banner for the usage help.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">constructor: </span><span class="nf">(rules, @banner) -&gt;</span>
<span class="vi">@rules = </span><span class="nx">buildRules</span> <span class="nx">rules</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Parse the list of arguments, populating an <code>options</code> object with all of the
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.OptionParser = </span><span class="k">class</span> <span class="nx">OptionParser</span></pre></div></div>
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<p>Initialize with a list of valid options, in the form:
</p>
<pre><code>[short-flag, long-flag, description]</code></pre>
<p>Along with an an optional banner for the usage help.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">constructor: </span><span class="nf">(rules, @banner) -&gt;</span>
<span class="vi">@rules = </span><span class="nx">buildRules</span> <span class="nx">rules</span></pre></div></div>
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<p>Parse the list of arguments, populating an <code>options</code> object with all of the
specified options, and return it. Options after the first non-option
argument are treated as arguments. <code>options.arguments</code> will be an array
containing the remaining arguments. This is a simpler API than many option
parsers that allow you to attach callback actions for every flag. Instead,
you're responsible for interpreting the options object.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">parse: </span><span class="nf">(args) -&gt;</span>
you&#39;re responsible for interpreting the options object.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">parse: </span><span class="nf">(args) -&gt;</span>
<span class="nv">options = arguments: </span><span class="p">[]</span>
<span class="nv">skippingArgument = </span><span class="kc">no</span>
<span class="nv">originalArgs = </span><span class="nx">args</span>
@ -30,8 +175,25 @@ you're responsible for interpreting the options object.</p> </td>
<span class="nv">pos = </span><span class="nx">originalArgs</span><span class="p">.</span><span class="nx">indexOf</span> <span class="s">&#39;--&#39;</span>
<span class="nv">options.arguments = </span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">originalArgs</span><span class="p">[(</span><span class="nx">pos</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)..]</span>
<span class="k">break</span>
<span class="nv">isOption = </span><span class="o">!!</span><span class="p">(</span><span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)</span> <span class="o">or</span> <span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">SHORT_FLAG</span><span class="p">))</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>the CS option parser is a little odd; options after the first
non-option argument are treated as non-option arguments themselves</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">seenNonOptionArg = </span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">0</span>
<span class="nv">isOption = </span><span class="o">!!</span><span class="p">(</span><span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)</span> <span class="o">or</span> <span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">SHORT_FLAG</span><span class="p">))</span></pre></div></div>
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</div>
<p>the CS option parser is a little odd; options after the first
non-option argument are treated as non-option arguments themselves
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">seenNonOptionArg = </span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">0</span>
<span class="k">unless</span> <span class="nx">seenNonOptionArg</span>
<span class="nv">matchedRule = </span><span class="kc">no</span>
<span class="k">for</span> <span class="nx">rule</span> <span class="k">in</span> <span class="nx">@rules</span>
@ -46,8 +208,25 @@ non-option argument are treated as non-option arguments themselves</p>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s">&quot;unrecognized option: </span><span class="si">#{</span><span class="nx">arg</span><span class="si">}</span><span class="s">&quot;</span> <span class="k">if</span> <span class="nx">isOption</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">matchedRule</span>
<span class="k">if</span> <span class="nx">seenNonOptionArg</span> <span class="o">or</span> <span class="o">not</span> <span class="nx">isOption</span>
<span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">push</span> <span class="nx">arg</span>
<span class="nx">options</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Return the help text for this <strong>OptionParser</strong>, listing and describing all
of the valid options, for <code>--help</code> and such.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">help: </span><span class="nf">-&gt;</span>
<span class="nx">options</span></pre></div></div>
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<p>Return the help text for this <strong>OptionParser</strong>, listing and describing all
of the valid options, for <code>--help</code> and such.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">help: </span><span class="nf">-&gt;</span>
<span class="nv">lines = </span><span class="p">[]</span>
<span class="nx">lines</span><span class="p">.</span><span class="nx">unshift</span> <span class="s">&quot;</span><span class="si">#{</span><span class="nx">@banner</span><span class="si">}</span><span class="s">\n&quot;</span> <span class="k">if</span> <span class="nx">@banner</span>
<span class="k">for</span> <span class="nx">rule</span> <span class="k">in</span> <span class="nx">@rules</span>
@ -55,15 +234,67 @@ of the valid options, for <code>--help</code> and such.</p> </td>
<span class="nv">spaces = </span><span class="k">if</span> <span class="nx">spaces</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="nb">Array</span><span class="p">(</span><span class="nx">spaces</span> <span class="o">+</span> <span class="mi">1</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39; &#39;</span><span class="p">)</span> <span class="k">else</span> <span class="s">&#39;&#39;</span>
<span class="nv">letPart = </span><span class="k">if</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">shortFlag</span> <span class="k">then</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">shortFlag</span> <span class="o">+</span> <span class="s">&#39;, &#39;</span> <span class="k">else</span> <span class="s">&#39; &#39;</span>
<span class="nx">lines</span><span class="p">.</span><span class="nx">push</span> <span class="s">&#39; &#39;</span> <span class="o">+</span> <span class="nx">letPart</span> <span class="o">+</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">longFlag</span> <span class="o">+</span> <span class="nx">spaces</span> <span class="o">+</span> <span class="nx">rule</span><span class="p">.</span><span class="nx">description</span>
<span class="s">&quot;\n</span><span class="si">#{</span> <span class="nx">lines</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">)</span> <span class="si">}</span><span class="s">\n&quot;</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <h2>Helpers</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Regex matchers for option flags.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">LONG_FLAG = </span><span class="sr">/^(--\w[\w\-]*)/</span>
<span class="s">&quot;\n</span><span class="si">#{</span> <span class="nx">lines</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">&#39;\n&#39;</span><span class="p">)</span> <span class="si">}</span><span class="s">\n&quot;</span></pre></div></div>
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</div>
<h2>Helpers</h2>
<p>Regex matchers for option flags.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">LONG_FLAG = </span><span class="sr">/^(--\w[\w\-]*)/</span>
<span class="nv">SHORT_FLAG = </span><span class="sr">/^(-\w)$/</span>
<span class="nv">MULTI_FLAG = </span><span class="sr">/^-(\w{2,})/</span>
<span class="nv">OPTIONAL = </span><span class="sr">/\[(\w+(\*?))\]/</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Build and return the list of option rules. If the optional <em>short-flag</em> is
unspecified, leave it out by padding with <code>null</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">buildRules = </span><span class="nf">(rules) -&gt;</span>
<span class="nv">OPTIONAL = </span><span class="sr">/\[(\w+(\*?))\]/</span></pre></div></div>
</li>
<li id="section-7">
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<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="nv">buildRules = </span><span class="nf">(rules) -&gt;</span>
<span class="k">for</span> <span class="nx">tuple</span> <span class="k">in</span> <span class="nx">rules</span>
<span class="nx">tuple</span><span class="p">.</span><span class="nx">unshift</span> <span class="kc">null</span> <span class="k">if</span> <span class="nx">tuple</span><span class="p">.</span><span class="nx">length</span> <span class="o">&lt;</span> <span class="mi">3</span>
<span class="nx">buildRule</span> <span class="nx">tuple</span><span class="p">...</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Build a rule from a <code>-o</code> short flag, a <code>--output [DIR]</code> long flag, and the
description of what the option does.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">buildRule = </span><span class="nf">(shortFlag, longFlag, description, options = {}) -&gt;</span>
<span class="nx">buildRule</span> <span class="nx">tuple</span><span class="p">...</span></pre></div></div>
</li>
<li id="section-8">
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<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="nv">buildRule = </span><span class="nf">(shortFlag, longFlag, description, options = {}) -&gt;</span>
<span class="nv">match = </span><span class="nx">longFlag</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">OPTIONAL</span><span class="p">)</span>
<span class="nv">longFlag = </span><span class="nx">longFlag</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
<span class="p">{</span>
@ -73,8 +304,24 @@ description of what the option does.</p> </td> <td class
<span class="nv">description: </span> <span class="nx">description</span>
<span class="nv">hasArgument: </span> <span class="o">!!</span><span class="p">(</span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="nv">isList: </span> <span class="o">!!</span><span class="p">(</span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">2</span><span class="p">])</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Normalize arguments by expanding merged flags into multiple flags. This allows
you to have <code>-wl</code> be the same as <code>--watch --lint</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">normalizeArguments = </span><span class="nf">(args) -&gt;</span>
<span class="p">}</span></pre></div></div>
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<div class="pilwrap">
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<p>Normalize arguments by expanding merged flags into multiple flags. This allows
you to have <code>-wl</code> be the same as <code>--watch --lint</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">normalizeArguments = </span><span class="nf">(args) -&gt;</span>
<span class="nv">args = </span><span class="nx">args</span><span class="p">[..]</span>
<span class="nv">result = </span><span class="p">[]</span>
<span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">args</span>
@ -84,4 +331,11 @@ you to have <code>-wl</code> be the same as <code>--watch --lint</code>.</p>
<span class="nx">result</span><span class="p">.</span><span class="nx">push</span> <span class="nx">arg</span>
<span class="nx">result</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
</pre></div></div>
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View file

@ -1,15 +1,230 @@
<!DOCTYPE html> <html> <head> <title>repl.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> repl.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="nv">vm = </span><span class="nx">require</span> <span class="s">&#39;vm&#39;</span>
<!DOCTYPE html>
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<h1>repl.coffee</h1>
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<a class="pilcrow" href="#section-1">&#182;</a>
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<div class="content"><div class="highlight"><pre><span class="nv">vm = </span><span class="nx">require</span> <span class="s">&#39;vm&#39;</span>
<span class="nv">nodeREPL = </span><span class="nx">require</span> <span class="s">&#39;repl&#39;</span>
<span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s">&#39;./coffee-script&#39;</span>
<span class="p">{</span><span class="nx">merge</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="p">{</span><span class="nx">merge</span><span class="p">,</span> <span class="nx">prettyErrorMessage</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="nv">replDefaults =</span>
<span class="nv">prompt: </span><span class="s">&#39;coffee&gt; &#39;</span><span class="p">,</span>
<span class="nb">eval</span><span class="o">:</span> <span class="nf">(input, context, filename, cb) -&gt;</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>XXX: multiline hack</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">input = </span><span class="nx">input</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/\uFF00/g</span><span class="p">,</span> <span class="s">&#39;\n&#39;</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>strip single-line comments</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">input = </span><span class="nx">input</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/(^|[\r\n]+)(\s*)##?(?:[^#\r\n][^\r\n]*|)($|[\r\n])/</span><span class="p">,</span> <span class="s">&#39;$1$2$3&#39;</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>empty command</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="nx">cb</span> <span class="kc">null</span> <span class="k">if</span> <span class="sr">/^(\s*|\(\s*\))$/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">input</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>TODO: fix #1829: pass in-scope vars and avoid accidentally shadowing them by omitting those declarations</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">try</span>
<span class="nv">js = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="s">&quot;_=(</span><span class="si">#{</span><span class="nx">input</span><span class="si">}</span><span class="s">\n)&quot;</span><span class="p">,</span> <span class="p">{</span><span class="nx">filename</span><span class="p">,</span> <span class="nv">bare: </span><span class="kc">yes</span><span class="p">}</span>
<span class="nx">cb</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">vm</span><span class="p">.</span><span class="nx">runInContext</span><span class="p">(</span><span class="nx">js</span><span class="p">,</span> <span class="nx">context</span><span class="p">,</span> <span class="nx">filename</span><span class="p">)</span>
<span class="nb">eval</span><span class="o">:</span> <span class="nf">(input, context, filename, cb) -&gt;</span></pre></div></div>
</li>
<li id="section-2">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>XXX: multiline hack.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">input = </span><span class="nx">input</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/\uFF00/g</span><span class="p">,</span> <span class="s">&#39;\n&#39;</span></pre></div></div>
</li>
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<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Node&#39;s REPL sends the input ending with a newline and then wrapped in
parens. Unwrap all that.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">input = </span><span class="nx">input</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/^\(([\s\S]*)\n\)$/m</span><span class="p">,</span> <span class="s">&#39;$1&#39;</span></pre></div></div>
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<a class="pilcrow" href="#section-4">&#182;</a>
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<p>Require AST nodes to do some AST manipulation.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="p">{</span><span class="nx">Block</span><span class="p">,</span> <span class="nx">Assign</span><span class="p">,</span> <span class="nx">Value</span><span class="p">,</span> <span class="nx">Literal</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./nodes&#39;</span></pre></div></div>
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<a class="pilcrow" href="#section-5">&#182;</a>
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<p>TODO: fix #1829: pass in-scope vars and avoid accidentally shadowing them by omitting those declarations
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">try</span></pre></div></div>
</li>
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<p>Generate the AST of the clean input.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">ast = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">nodes</span> <span class="nx">input</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
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<p>Add assignment to <code>_</code> variable to force the input to be an expression.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">ast = </span><span class="k">new</span> <span class="nx">Block</span> <span class="p">[</span>
<span class="k">new</span> <span class="nx">Assign</span> <span class="p">(</span><span class="k">new</span> <span class="nx">Value</span> <span class="k">new</span> <span class="nx">Literal</span> <span class="s">&#39;_&#39;</span><span class="p">),</span> <span class="nx">ast</span><span class="p">,</span> <span class="s">&#39;=&#39;</span>
<span class="p">]</span>
<span class="nv">js = </span><span class="nx">ast</span><span class="p">.</span><span class="nx">compile</span> <span class="nv">bare: </span><span class="kc">yes</span>
<span class="k">catch</span> <span class="nx">err</span>
<span class="nx">cb</span> <span class="nx">err</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="nx">prettyErrorMessage</span> <span class="nx">err</span><span class="p">,</span> <span class="nx">filename</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="kc">yes</span>
<span class="nx">cb</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">vm</span><span class="p">.</span><span class="nx">runInContext</span><span class="p">(</span><span class="nx">js</span><span class="p">,</span> <span class="nx">context</span><span class="p">,</span> <span class="nx">filename</span><span class="p">)</span>
<span class="nv">addMultilineHandler = </span><span class="nf">(repl) -&gt;</span>
<span class="p">{</span><span class="nx">rli</span><span class="p">,</span> <span class="nx">inputStream</span><span class="p">,</span> <span class="nx">outputStream</span><span class="p">}</span> <span class="o">=</span> <span class="nx">repl</span>
@ -18,7 +233,24 @@
<span class="nv">enabled: </span><span class="kc">off</span>
<span class="nv">initialPrompt: </span><span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/^[^&gt; ]*/</span><span class="p">,</span> <span class="nf">(x) -&gt;</span> <span class="nx">x</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/./g</span><span class="p">,</span> <span class="s">&#39;-&#39;</span><span class="p">)</span>
<span class="nv">prompt: </span><span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/^[^&gt; ]*&gt;?/</span><span class="p">,</span> <span class="nf">(x) -&gt;</span> <span class="nx">x</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/./g</span><span class="p">,</span> <span class="s">&#39;.&#39;</span><span class="p">)</span>
<span class="nv">buffer: </span><span class="s">&#39;&#39;</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>Proxy node's line listener</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">nodeLineListener = </span><span class="nx">rli</span><span class="p">.</span><span class="nx">listeners</span><span class="p">(</span><span class="s">&#39;line&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="nv">buffer: </span><span class="s">&#39;&#39;</span></pre></div></div>
</li>
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<div class="annotation">
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<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Proxy node&#39;s line listener
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">nodeLineListener = </span><span class="nx">rli</span><span class="p">.</span><span class="nx">listeners</span><span class="p">(</span><span class="s">&#39;line&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">removeListener</span> <span class="s">&#39;line&#39;</span><span class="p">,</span> <span class="nx">nodeLineListener</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;line&#39;</span><span class="p">,</span> <span class="nf">(cmd) -&gt;</span>
<span class="k">if</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span>
@ -27,17 +259,101 @@
<span class="nx">rli</span><span class="p">.</span><span class="nx">prompt</span> <span class="kc">true</span>
<span class="k">else</span>
<span class="nx">nodeLineListener</span> <span class="nx">cmd</span>
<span class="k">return</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Handle Ctrl-v</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">inputStream</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;keypress&#39;</span><span class="p">,</span> <span class="nf">(char, key) -&gt;</span>
<span class="k">return</span></pre></div></div>
</li>
<li id="section-9">
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<div class="pilwrap">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Handle Ctrl-v
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">inputStream</span><span class="p">.</span><span class="nx">on</span> <span class="s">&#39;keypress&#39;</span><span class="p">,</span> <span class="nf">(char, key) -&gt;</span>
<span class="k">return</span> <span class="k">unless</span> <span class="nx">key</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">ctrl</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">meta</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">key</span><span class="p">.</span><span class="nx">shift</span> <span class="o">and</span> <span class="nx">key</span><span class="p">.</span><span class="nx">name</span> <span class="o">is</span> <span class="s">&#39;v&#39;</span>
<span class="k">if</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>allow arbitrarily switching between modes any time before multiple lines are entered</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">unless</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">buffer</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/\n/</span>
<span class="k">if</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span></pre></div></div>
</li>
<li id="section-10">
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<p>allow arbitrarily switching between modes any time before multiple lines are entered
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">unless</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">buffer</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/\n/</span>
<span class="nv">multiline.enabled = </span><span class="o">not</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">setPrompt</span> <span class="nx">repl</span><span class="p">.</span><span class="nx">prompt</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">prompt</span> <span class="kc">true</span>
<span class="k">return</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>no-op unless the current line is empty</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="k">if</span> <span class="nx">rli</span><span class="p">.</span><span class="nx">line</span><span class="o">?</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">rli</span><span class="p">.</span><span class="nx">line</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/^\s*$/</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>eval, print, loop</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">multiline.enabled = </span><span class="o">not</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span>
<span class="k">return</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>no-op unless the current line is empty
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">return</span> <span class="k">if</span> <span class="nx">rli</span><span class="p">.</span><span class="nx">line</span><span class="o">?</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">rli</span><span class="p">.</span><span class="nx">line</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/^\s*$/</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>eval, print, loop
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">multiline.enabled = </span><span class="o">not</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">enabled</span>
<span class="nv">rli.line = </span><span class="s">&#39;&#39;</span>
<span class="nv">rli.cursor = </span><span class="mi">0</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">cursorTo</span> <span class="mi">0</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">clearLine</span> <span class="mi">1</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>XXX: multiline hack</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">multiline.buffer = </span><span class="nx">multiline</span><span class="p">.</span><span class="nx">buffer</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/\n/g</span><span class="p">,</span> <span class="s">&#39;\uFF00&#39;</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">clearLine</span> <span class="mi">1</span></pre></div></div>
</li>
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<div class="pilwrap">
<a class="pilcrow" href="#section-13">&#182;</a>
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<p>XXX: multiline hack
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">multiline.buffer = </span><span class="nx">multiline</span><span class="p">.</span><span class="nx">buffer</span><span class="p">.</span><span class="nx">replace</span> <span class="sr">/\n/g</span><span class="p">,</span> <span class="s">&#39;\uFF00&#39;</span>
<span class="nx">rli</span><span class="p">.</span><span class="nx">emit</span> <span class="s">&#39;line&#39;</span><span class="p">,</span> <span class="nx">multiline</span><span class="p">.</span><span class="nx">buffer</span>
<span class="nv">multiline.buffer = </span><span class="s">&#39;&#39;</span>
<span class="k">else</span>
@ -54,4 +370,11 @@
<span class="nx">addMultilineHandler</span> <span class="nx">repl</span>
<span class="nx">repl</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
</pre></div></div>
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<!DOCTYPE html> <html> <head> <title>scope.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="scope.html"> scope.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> scope.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <p>The <strong>Scope</strong> class regulates lexical scoping within CoffeeScript. As you
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<h1>scope.litcoffee</h1>
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<a class="pilcrow" href="#section-1">&#182;</a>
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<p>The <strong>Scope</strong> class regulates lexical scoping within CoffeeScript. As you
generate code, you create a tree of scopes in the same shape as the nested
function bodies. Each scope knows about the variables declared within it,
and has a reference to its parent enclosing scope. In this way, we know which
variables are new and need to be declared with <code>var</code>, and which are shared
with the outside.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Import the helpers we plan to use.</p> </td> <td class="code"> <div class="highlight"><pre><span class="p">{</span><span class="nx">extend</span><span class="p">,</span> <span class="nx">last</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
with external scopes.
<span class="nv">exports.Scope = </span><span class="k">class</span> <span class="nx">Scope</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>The top-level <strong>Scope</strong> object.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@root: </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>Initialize a scope with its parent, for lookups up the chain,
</p>
<p>Import the helpers we plan to use.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="p">{</span><span class="nx">extend</span><span class="p">,</span> <span class="nx">last</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">&#39;./helpers&#39;</span>
<span class="nv">exports.Scope = </span><span class="k">class</span> <span class="nx">Scope</span></pre></div></div>
</li>
<li id="section-2">
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<div class="pilwrap">
<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>The <code>root</code> is the top-level <strong>Scope</strong> object for a given file.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="vi">@root: </span><span class="kc">null</span></pre></div></div>
</li>
<li id="section-3">
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<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>Initialize a scope with its parent, for lookups up the chain,
as well as a reference to the <strong>Block</strong> node it belongs to, which is
where it should declare its variables, and a reference to the function that
it wraps.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">constructor: </span><span class="nf">(@parent, @expressions, @method) -&gt;</span>
it belongs to.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">constructor: </span><span class="nf">(@parent, @expressions, @method) -&gt;</span>
<span class="vi">@variables = </span><span class="p">[{</span><span class="nv">name: </span><span class="s">&#39;arguments&#39;</span><span class="p">,</span> <span class="nv">type: </span><span class="s">&#39;arguments&#39;</span><span class="p">}]</span>
<span class="vi">@positions = </span><span class="p">{}</span>
<span class="nv">Scope.root = </span><span class="k">this</span> <span class="k">unless</span> <span class="nx">@parent</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>Adds a new variable or overrides an existing one.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">add: </span><span class="nf">(name, type, immediate) -&gt;</span>
<span class="nv">Scope.root = </span><span class="k">this</span> <span class="k">unless</span> <span class="nx">@parent</span></pre></div></div>
</li>
<li id="section-4">
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<div class="pilwrap">
<a class="pilcrow" href="#section-4">&#182;</a>
</div>
<p>Adds a new variable or overrides an existing one.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">add: </span><span class="nf">(name, type, immediate) -&gt;</span>
<span class="k">return</span> <span class="nx">@parent</span><span class="p">.</span><span class="nx">add</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">type</span><span class="p">,</span> <span class="nx">immediate</span> <span class="k">if</span> <span class="nx">@shared</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">immediate</span>
<span class="k">if</span> <span class="nb">Object</span><span class="o">::</span><span class="nx">hasOwnProperty</span><span class="p">.</span><span class="nx">call</span> <span class="nx">@positions</span><span class="p">,</span> <span class="nx">name</span>
<span class="nx">@variables</span><span class="p">[</span><span class="nx">@positions</span><span class="p">[</span><span class="nx">name</span><span class="p">]].</span><span class="nv">type = </span><span class="nx">type</span>
<span class="k">else</span>
<span class="nx">@positions</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@variables</span><span class="p">.</span><span class="nx">push</span><span class="p">({</span><span class="nx">name</span><span class="p">,</span> <span class="nx">type</span><span class="p">})</span> <span class="o">-</span> <span class="mi">1</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>When <code>super</code> is called, we need to find the name of the current method we're
<span class="nx">@positions</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="nx">@variables</span><span class="p">.</span><span class="nx">push</span><span class="p">({</span><span class="nx">name</span><span class="p">,</span> <span class="nx">type</span><span class="p">})</span> <span class="o">-</span> <span class="mi">1</span></pre></div></div>
</li>
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<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<p>When <code>super</code> is called, we need to find the name of the current method we&#39;re
in, so that we know how to invoke the same method of the parent class. This
can get complicated if super is being called from an inner function.
<code>namedMethod</code> will walk up the scope tree until it either finds the first
function object that has a name filled in, or bottoms out.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">namedMethod: </span><span class="nf">-&gt;</span>
<span class="k">return</span> <span class="nx">@method</span> <span class="k">if</span> <span class="nx">@method</span><span class="p">.</span><span class="nx">name</span> <span class="o">or</span> <span class="o">!</span><span class="nx">@parent</span>
<span class="nx">@parent</span><span class="p">.</span><span class="nx">namedMethod</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Look up a variable name in lexical scope, and declare it if it does not
already exist.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">find: </span><span class="nf">(name) -&gt;</span>
function object that has a name filled in, or bottoms out.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">namedMethod: </span><span class="nf">-&gt;</span>
<span class="k">return</span> <span class="nx">@method</span> <span class="k">if</span> <span class="nx">@method</span><span class="o">?</span><span class="p">.</span><span class="nx">name</span> <span class="o">or</span> <span class="o">!</span><span class="nx">@parent</span>
<span class="nx">@parent</span><span class="p">.</span><span class="nx">namedMethod</span><span class="p">()</span></pre></div></div>
</li>
<li id="section-6">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-6">&#182;</a>
</div>
<p>Look up a variable name in lexical scope, and declare it if it does not
already exist.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">find: </span><span class="nf">(name) -&gt;</span>
<span class="k">return</span> <span class="kc">yes</span> <span class="k">if</span> <span class="nx">@check</span> <span class="nx">name</span>
<span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="s">&#39;var&#39;</span>
<span class="kc">no</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>Reserve a variable name as originating from a function parameter for this
scope. No <code>var</code> required for internal references.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">parameter: </span><span class="nf">(name) -&gt;</span>
<span class="kc">no</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Reserve a variable name as originating from a function parameter for this
scope. No <code>var</code> required for internal references.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">parameter: </span><span class="nf">(name) -&gt;</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">@shared</span> <span class="o">and</span> <span class="nx">@parent</span><span class="p">.</span><span class="nx">check</span> <span class="nx">name</span><span class="p">,</span> <span class="kc">yes</span>
<span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="s">&#39;param&#39;</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Just check to see if a variable has already been declared, without reserving,
walks up to the root scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">check: </span><span class="nf">(name) -&gt;</span>
<span class="o">!!</span><span class="p">(</span><span class="nx">@type</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">or</span> <span class="nx">@parent</span><span class="o">?</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Generate a temporary variable name at the given index.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">temporary: </span><span class="nf">(name, index) -&gt;</span>
<span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="s">&#39;param&#39;</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Just check to see if a variable has already been declared, without reserving,
walks up to the root scope.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">check: </span><span class="nf">(name) -&gt;</span>
<span class="o">!!</span><span class="p">(</span><span class="nx">@type</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">or</span> <span class="nx">@parent</span><span class="o">?</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div></div>
</li>
<li id="section-9">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-9">&#182;</a>
</div>
<p>Generate a temporary variable name at the given index.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">temporary: </span><span class="nf">(name, index) -&gt;</span>
<span class="k">if</span> <span class="nx">name</span><span class="p">.</span><span class="nx">length</span> <span class="o">&gt;</span> <span class="mi">1</span>
<span class="s">&#39;_&#39;</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="k">if</span> <span class="nx">index</span> <span class="o">&gt;</span> <span class="mi">1</span> <span class="k">then</span> <span class="nx">index</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">else</span> <span class="s">&#39;&#39;</span>
<span class="k">else</span>
<span class="s">&#39;_&#39;</span> <span class="o">+</span> <span class="p">(</span><span class="nx">index</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">name</span><span class="p">,</span> <span class="mi">36</span><span class="p">).</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span> <span class="sr">/\d/g</span><span class="p">,</span> <span class="s">&#39;a&#39;</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>Gets the type of a variable.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">type: </span><span class="nf">(name) -&gt;</span>
<span class="s">&#39;_&#39;</span> <span class="o">+</span> <span class="p">(</span><span class="nx">index</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="nx">name</span><span class="p">,</span> <span class="mi">36</span><span class="p">).</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span> <span class="sr">/\d/g</span><span class="p">,</span> <span class="s">&#39;a&#39;</span></pre></div></div>
</li>
<li id="section-10">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-10">&#182;</a>
</div>
<p>Gets the type of a variable.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">type: </span><span class="nf">(name) -&gt;</span>
<span class="k">return</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span> <span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span> <span class="o">is</span> <span class="nx">name</span>
<span class="kc">null</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p>If we need to store an intermediate result, find an available name for a
compiler-generated variable. <code>_var</code>, <code>_var2</code>, and so on...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">freeVariable: </span><span class="nf">(name, reserve=true) -&gt;</span>
<span class="kc">null</span></pre></div></div>
</li>
<li id="section-11">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-11">&#182;</a>
</div>
<p>If we need to store an intermediate result, find an available name for a
compiler-generated variable. <code>_var</code>, <code>_var2</code>, and so on...
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">freeVariable: </span><span class="nf">(name, reserve=true) -&gt;</span>
<span class="nv">index = </span><span class="mi">0</span>
<span class="nx">index</span><span class="o">++</span> <span class="k">while</span> <span class="nx">@check</span><span class="p">((</span><span class="nv">temp = </span><span class="nx">@temporary</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">index</span><span class="p">))</span>
<span class="nx">@add</span> <span class="nx">temp</span><span class="p">,</span> <span class="s">&#39;var&#39;</span><span class="p">,</span> <span class="kc">yes</span> <span class="k">if</span> <span class="nx">reserve</span>
<span class="nx">temp</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>Ensure that an assignment is made at the top of this scope
(or at the top-level scope, if requested).</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assign: </span><span class="nf">(name, value) -&gt;</span>
<span class="nx">temp</span></pre></div></div>
</li>
<li id="section-12">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-12">&#182;</a>
</div>
<p>Ensure that an assignment is made at the top of this scope
(or at the top-level scope, if requested).
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">assign: </span><span class="nf">(name, value) -&gt;</span>
<span class="nx">@add</span> <span class="nx">name</span><span class="p">,</span> <span class="p">{</span><span class="nx">value</span><span class="p">,</span> <span class="nv">assigned: </span><span class="kc">yes</span><span class="p">},</span> <span class="kc">yes</span>
<span class="vi">@hasAssignments = </span><span class="kc">yes</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>Does this scope have any declared variables?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">hasDeclarations: </span><span class="nf">-&gt;</span>
<span class="o">!!</span><span class="nx">@declaredVariables</span><span class="p">().</span><span class="nx">length</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>Return the list of variables first declared in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">declaredVariables: </span><span class="nf">-&gt;</span>
<span class="vi">@hasAssignments = </span><span class="kc">yes</span></pre></div></div>
</li>
<li id="section-13">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-13">&#182;</a>
</div>
<p>Does this scope have any declared variables?
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">hasDeclarations: </span><span class="nf">-&gt;</span>
<span class="o">!!</span><span class="nx">@declaredVariables</span><span class="p">().</span><span class="nx">length</span></pre></div></div>
</li>
<li id="section-14">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-14">&#182;</a>
</div>
<p>Return the list of variables first declared in this scope.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">declaredVariables: </span><span class="nf">-&gt;</span>
<span class="nv">realVars = </span><span class="p">[]</span>
<span class="nv">tempVars = </span><span class="p">[]</span>
<span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span> <span class="o">is</span> <span class="s">&#39;var&#39;</span>
<span class="p">(</span><span class="k">if</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="o">is</span> <span class="s">&#39;_&#39;</span> <span class="k">then</span> <span class="nx">tempVars</span> <span class="k">else</span> <span class="nx">realVars</span><span class="p">).</span><span class="nx">push</span> <span class="nx">v</span><span class="p">.</span><span class="nx">name</span>
<span class="nx">realVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">().</span><span class="nx">concat</span> <span class="nx">tempVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">&#182;</a> </div> <p>Return the list of assignments that are supposed to be made at the top
of this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assignedVariables: </span><span class="nf">-&gt;</span>
<span class="nx">realVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">().</span><span class="nx">concat</span> <span class="nx">tempVars</span><span class="p">.</span><span class="nx">sort</span><span class="p">()</span></pre></div></div>
</li>
<li id="section-15">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-15">&#182;</a>
</div>
<p>Return the list of assignments that are supposed to be made at the top
of this scope.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">assignedVariables: </span><span class="nf">-&gt;</span>
<span class="s">&quot;</span><span class="si">#{</span><span class="nx">v</span><span class="p">.</span><span class="nx">name</span><span class="si">}</span><span class="s"> = </span><span class="si">#{</span><span class="nx">v</span><span class="p">.</span><span class="nx">type</span><span class="p">.</span><span class="nx">value</span><span class="si">}</span><span class="s">&quot;</span> <span class="k">for</span> <span class="nx">v</span> <span class="k">in</span> <span class="nx">@variables</span> <span class="k">when</span> <span class="nx">v</span><span class="p">.</span><span class="nx">type</span><span class="p">.</span><span class="nx">assigned</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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@ -1,8 +1,174 @@
<!DOCTYPE html> <html> <head> <title>sourcemap.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="sourcemap.html"> sourcemap.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> sourcemap.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <h3>LineMapping</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <p>Hold data about mappings for one line of generated source code.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">class</span> <span class="nx">LineMapping</span>
<span class="nv">constructor: </span><span class="nf">(@generatedLine) -&gt;</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>columnMap keeps track of which columns we've already mapped.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@columnMap = </span><span class="p">{}</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>columnMappings is an array of all column mappings, sorted by generated-column.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@columnMappings = </span><span class="p">[]</span>
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<ul class="sections">
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<h1>sourcemap.coffee</h1>
</div>
</li>
<li id="section-1">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-1">&#182;</a>
</div>
<h3>LineMapping</h3>
<p>Hold data about mappings for one line of generated source code.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="k">class</span> <span class="nx">LineMapping</span>
<span class="nv">constructor: </span><span class="nf">(@generatedLine) -&gt;</span></pre></div></div>
</li>
<li id="section-2">
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<a class="pilcrow" href="#section-2">&#182;</a>
</div>
<p>columnMap keeps track of which columns we&#39;ve already mapped.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="vi">@columnMap = </span><span class="p">{}</span></pre></div></div>
</li>
<li id="section-3">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-3">&#182;</a>
</div>
<p>columnMappings is an array of all column mappings, sorted by generated-column.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="vi">@columnMappings = </span><span class="p">[]</span>
<span class="nv">addMapping: </span><span class="nf">(generatedColumn, [sourceLine, sourceColumn], options={}) -&gt;</span>
<span class="k">if</span> <span class="nx">@columnMap</span><span class="p">[</span><span class="nx">generatedColumn</span><span class="p">]</span> <span class="o">and</span> <span class="nx">options</span><span class="p">.</span><span class="nx">noReplace</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>We already have a mapping for this column.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span>
<span class="k">if</span> <span class="nx">@columnMap</span><span class="p">[</span><span class="nx">generatedColumn</span><span class="p">]</span> <span class="o">and</span> <span class="nx">options</span><span class="p">.</span><span class="nx">noReplace</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>We already have a mapping for this column.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">return</span>
<span class="nx">@columnMap</span><span class="p">[</span><span class="nx">generatedColumn</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span>
<span class="nv">generatedLine: </span><span class="nx">@generatedLine</span>
@ -23,38 +189,173 @@
<span class="k">else</span>
<span class="nv">lastColumnMapping = </span><span class="nx">columnMapping</span>
<span class="k">if</span> <span class="nx">lastColumnMapping</span>
<span class="nv">answer = </span><span class="p">[</span><span class="nx">lastColumnMapping</span><span class="p">.</span><span class="nx">sourceLine</span><span class="p">,</span> <span class="nx">lastColumnMapping</span><span class="p">.</span><span class="nx">sourceColumn</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <h3>SourceMap</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>Maps locations in a generated source file back to locations in the original source file.</p>
<span class="nv">answer = </span><span class="p">[</span><span class="nx">lastColumnMapping</span><span class="p">.</span><span class="nx">sourceLine</span><span class="p">,</span> <span class="nx">lastColumnMapping</span><span class="p">.</span><span class="nx">sourceColumn</span><span class="p">]</span></pre></div></div>
</li>
<li id="section-5">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-5">&#182;</a>
</div>
<h3>SourceMap</h3>
<p>Maps locations in a generated source file back to locations in the original source file.
</p>
<p>This is intentionally agnostic towards how a source map might be represented on disk. A
SourceMap can be converted to a "v3" style sourcemap with <code>#generateV3SourceMap()</code>, for example
but the SourceMap class itself knows nothing about v3 source maps.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">class</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">SourceMap</span>
<span class="nv">constructor: </span><span class="p">()</span> <span class="nf">-&gt;</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p><code>generatedLines</code> is an array of LineMappings, one per generated line.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="vi">@generatedLines = </span><span class="p">[]</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>Adds a mapping to this SourceMap.</p>
SourceMap can be converted to a &quot;v3&quot; style sourcemap with <code>#generateV3SourceMap()</code>, for example
but the SourceMap class itself knows nothing about v3 source maps.
<p><code>sourceLocation</code> and <code>generatedLocation</code> are both [line, column] arrays.</p>
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="k">class</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">SourceMap</span>
<span class="nv">constructor: </span><span class="p">()</span> <span class="nf">-&gt;</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><code>generatedLines</code> is an array of LineMappings, one per generated line.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="vi">@generatedLines = </span><span class="p">[]</span></pre></div></div>
</li>
<li id="section-7">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-7">&#182;</a>
</div>
<p>Adds a mapping to this SourceMap.
</p>
<p><code>sourceLocation</code> and <code>generatedLocation</code> are both [line, column] arrays.
</p>
<p>If <code>options.noReplace</code> is true, then if there is already a mapping for
the specified <code>generatedLine</code> and <code>generatedColumn</code>, this will have no effect.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">addMapping: </span><span class="nf">(sourceLocation, generatedLocation, options={}) -&gt;</span>
the specified <code>generatedLine</code> and <code>generatedColumn</code>, this will have no effect.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">addMapping: </span><span class="nf">(sourceLocation, generatedLocation, options={}) -&gt;</span>
<span class="p">[</span><span class="nx">generatedLine</span><span class="p">,</span> <span class="nx">generatedColumn</span><span class="p">]</span> <span class="o">=</span> <span class="nx">generatedLocation</span>
<span class="nv">lineMapping = </span><span class="nx">@generatedLines</span><span class="p">[</span><span class="nx">generatedLine</span><span class="p">]</span>
<span class="k">if</span> <span class="o">not</span> <span class="nx">lineMapping</span>
<span class="nv">lineMapping = </span><span class="nx">@generatedLines</span><span class="p">[</span><span class="nx">generatedLine</span><span class="p">]</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">LineMapping</span><span class="p">(</span><span class="nx">generatedLine</span><span class="p">)</span>
<span class="nx">lineMapping</span><span class="p">.</span><span class="nx">addMapping</span> <span class="nx">generatedColumn</span><span class="p">,</span> <span class="nx">sourceLocation</span><span class="p">,</span> <span class="nx">options</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>Returns [sourceLine, sourceColumn], or null if no mapping could be found.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">getSourcePosition: </span><span class="nf">([generatedLine, generatedColumn]) -&gt;</span>
<span class="nx">lineMapping</span><span class="p">.</span><span class="nx">addMapping</span> <span class="nx">generatedColumn</span><span class="p">,</span> <span class="nx">sourceLocation</span><span class="p">,</span> <span class="nx">options</span></pre></div></div>
</li>
<li id="section-8">
<div class="annotation">
<div class="pilwrap">
<a class="pilcrow" href="#section-8">&#182;</a>
</div>
<p>Returns [sourceLine, sourceColumn], or null if no mapping could be found.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">getSourcePosition: </span><span class="nf">([generatedLine, generatedColumn]) -&gt;</span>
<span class="nv">answer = </span><span class="kc">null</span>
<span class="nv">lineMapping = </span><span class="nx">@generatedLines</span><span class="p">[</span><span class="nx">generatedLine</span><span class="p">]</span>
<span class="k">if</span> <span class="o">not</span> <span class="nx">lineMapping</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>TODO: Search backwards for the line?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">else</span>
<span class="k">if</span> <span class="o">not</span> <span class="nx">lineMapping</span></pre></div></div>
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<p>TODO: Search backwards for the line?
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">else</span>
<span class="nv">answer = </span><span class="nx">lineMapping</span><span class="p">.</span><span class="nx">getSourcePosition</span> <span class="nx">generatedColumn</span>
<span class="nx">answer</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p><code>fn</code> will be called once for every recorded mapping, in the order in
<span class="nx">answer</span></pre></div></div>
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<p><code>fn</code> will be called once for every recorded mapping, in the order in
which they occur in the generated source. <code>fn</code> will be passed an object
with four properties: sourceLine, sourceColumn, generatedLine, and
generatedColumn.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">forEachMapping: </span><span class="nf">(fn) -&gt;</span>
generatedColumn.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">forEachMapping: </span><span class="nf">(fn) -&gt;</span>
<span class="k">for</span> <span class="nx">lineMapping</span><span class="p">,</span> <span class="nx">generatedLineNumber</span> <span class="k">in</span> <span class="nx">@generatedLines</span>
<span class="k">if</span> <span class="nx">lineMapping</span>
<span class="k">for</span> <span class="nx">columnMapping</span> <span class="k">in</span> <span class="nx">lineMapping</span><span class="p">.</span><span class="nx">columnMappings</span>
<span class="nx">fn</span><span class="p">(</span><span class="nx">columnMapping</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <h3>generateV3SourceMap</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>Builds a V3 source map from a SourceMap object.
Returns the generated JSON as a string.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.generateV3SourceMap = </span><span class="nf">(sourceMap, sourceFile=null, generatedFile=null) -&gt;</span>
<span class="nx">fn</span><span class="p">(</span><span class="nx">columnMapping</span><span class="p">)</span></pre></div></div>
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<h3>generateV3SourceMap</h3>
<p>Builds a V3 source map from a SourceMap object.
Returns the generated JSON as a string.
</p>
<p><code>options.sourceRoot</code> may be used to specify the sourceRoot written to the source map. Also,
<code>options.sourceFiles</code> and <code>options.generatedFile</code> may be passed to set &quot;sources&quot; and &quot;file&quot;,
respectively. Note that <code>sourceFiles</code> must be an array.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.generateV3SourceMap = </span><span class="nf">(sourceMap, options={}) -&gt;</span>
<span class="nv">sourceRoot = </span><span class="nx">options</span><span class="p">.</span><span class="nx">sourceRoot</span> <span class="o">or</span> <span class="s">&quot;&quot;</span>
<span class="nv">sourceFiles = </span><span class="nx">options</span><span class="p">.</span><span class="nx">sourceFiles</span> <span class="o">or</span> <span class="p">[</span><span class="s">&quot;&quot;</span><span class="p">]</span>
<span class="nv">generatedFile = </span><span class="nx">options</span><span class="p">.</span><span class="nx">generatedFile</span> <span class="o">or</span> <span class="s">&quot;&quot;</span>
<span class="nv">writingGeneratedLine = </span><span class="mi">0</span>
<span class="nv">lastGeneratedColumnWritten = </span><span class="mi">0</span>
<span class="nv">lastSourceLineWritten = </span><span class="mi">0</span>
@ -68,33 +369,172 @@ Returns the generated JSON as a string.</p> </td> <td cl
<span class="nv">lastGeneratedColumnWritten = </span><span class="mi">0</span>
<span class="nv">needComma = </span><span class="kc">no</span>
<span class="nx">mappings</span> <span class="o">+=</span> <span class="s">&quot;;&quot;</span>
<span class="nx">writingGeneratedLine</span><span class="o">++</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>Write a comma if we've already written a segment on this line.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="nx">needComma</span>
<span class="nx">mappings</span> <span class="o">+=</span> <span class="s">&quot;,&quot;</span>
<span class="nv">needComma = </span><span class="kc">no</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">&#182;</a> </div> <p>Write the next segment.
Segments can be 1, 4, or 5 values. If just one, then it is a generated column which
doesn't match anything in the source code.</p>
<span class="nx">writingGeneratedLine</span><span class="o">++</span></pre></div></div>
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<p>Write a comma if we&#39;ve already written a segment on this line.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">if</span> <span class="nx">needComma</span>
<span class="nx">mappings</span> <span class="o">+=</span> <span class="s">&quot;,&quot;</span>
<span class="nv">needComma = </span><span class="kc">no</span></pre></div></div>
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<p>Write the next segment.
Segments can be 1, 4, or 5 values. If just one, then it is a generated column which
doesn&#39;t match anything in the source code.
</p>
<p>Fields are all zero-based, and relative to the previous occurence unless otherwise noted:
* starting-column in generated source, relative to previous occurence for the current line.
* index into the "sources" list
* starting line in the original source
* starting column in the original source
* index into the "names" list associated with this segment.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">&#182;</a> </div> <p>Add the generated start-column</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">generatedColumn</span> <span class="o">-</span> <span class="nx">lastGeneratedColumnWritten</span><span class="p">)</span>
<span class="nv">lastGeneratedColumnWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">generatedColumn</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">&#182;</a> </div> <p>Add the index into the sources list</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">&#182;</a> </div> <p>Add the source start-line</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceLine</span> <span class="o">-</span> <span class="nx">lastSourceLineWritten</span><span class="p">)</span>
<span class="nv">lastSourceLineWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceLine</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-20">&#182;</a> </div> <p>Add the source start-column</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceColumn</span> <span class="o">-</span> <span class="nx">lastSourceColumnWritten</span><span class="p">)</span>
<span class="nv">lastSourceColumnWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceColumn</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-21">&#182;</a> </div> <p>TODO: Do we care about symbol names for CoffeeScript? Probably not.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">needComma = </span><span class="kc">yes</span>
<em> starting-column in generated source, relative to previous occurence for the current line.
</em> index into the &quot;sources&quot; list
<em> starting line in the original source
</em> starting column in the original source
* index into the &quot;names&quot; list associated with this segment.
</p>
<p>Add the generated start-column
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">generatedColumn</span> <span class="o">-</span> <span class="nx">lastGeneratedColumnWritten</span><span class="p">)</span>
<span class="nv">lastGeneratedColumnWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">generatedColumn</span></pre></div></div>
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<p>Add the index into the sources list
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span></pre></div></div>
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<p>Add the source start-line
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceLine</span> <span class="o">-</span> <span class="nx">lastSourceLineWritten</span><span class="p">)</span>
<span class="nv">lastSourceLineWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceLine</span></pre></div></div>
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<p>Add the source start-column
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">mappings</span> <span class="o">+=</span> <span class="nx">exports</span><span class="p">.</span><span class="nx">vlqEncodeValue</span><span class="p">(</span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceColumn</span> <span class="o">-</span> <span class="nx">lastSourceColumnWritten</span><span class="p">)</span>
<span class="nv">lastSourceColumnWritten = </span><span class="nx">mapping</span><span class="p">.</span><span class="nx">sourceColumn</span></pre></div></div>
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<p>TODO: Do we care about symbol names for CoffeeScript? Probably not.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">needComma = </span><span class="kc">yes</span>
<span class="nv">answer = </span><span class="p">{</span>
<span class="nv">version: </span><span class="mi">3</span>
<span class="nv">file: </span><span class="nx">generatedFile</span>
<span class="nv">sourceRoot: </span><span class="s">&quot;&quot;</span>
<span class="nv">sources: </span><span class="k">if</span> <span class="nx">sourceFile</span> <span class="k">then</span> <span class="p">[</span><span class="nx">sourceFile</span><span class="p">]</span> <span class="k">else</span> <span class="p">[]</span>
<span class="nx">sourceRoot</span>
<span class="nv">sources: </span><span class="nx">sourceFiles</span>
<span class="nv">names: </span><span class="p">[]</span>
<span class="nx">mappings</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">JSON</span><span class="p">.</span><span class="nx">stringify</span> <span class="nx">answer</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="mi">2</span></pre></div> </td> </tr> <tr id="section-22"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-22">&#182;</a> </div> <p>Load a SourceMap from a JSON string. Returns the SourceMap object.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.loadV3SourceMap = </span><span class="nf">(sourceMap) -&gt;</span>
<span class="nx">todo</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-23"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-23">&#182;</a> </div> <h3>Base64 encoding helpers</h3> </td> <td class="code"> <div class="highlight"><pre><span class="nv">BASE64_CHARS = </span><span class="s">&#39;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/&#39;</span>
<span class="k">return</span> <span class="nx">JSON</span><span class="p">.</span><span class="nx">stringify</span> <span class="nx">answer</span><span class="p">,</span> <span class="kc">null</span><span class="p">,</span> <span class="mi">2</span></pre></div></div>
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<p>Load a SourceMap from a JSON string. Returns the SourceMap object.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.loadV3SourceMap = </span><span class="nf">(sourceMap) -&gt;</span>
<span class="nx">todo</span><span class="p">()</span></pre></div></div>
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<h3>Base64 encoding helpers</h3>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">BASE64_CHARS = </span><span class="s">&#39;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/&#39;</span>
<span class="nv">MAX_BASE64_VALUE = </span><span class="nx">BASE64_CHARS</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
<span class="nv">encodeBase64Char = </span><span class="nf">(value) -&gt;</span>
@ -108,15 +548,102 @@ doesn't match anything in the source code.</p>
<span class="nv">value = </span><span class="nx">BASE64_CHARS</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">char</span>
<span class="k">if</span> <span class="nx">value</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s">&quot;Invalid Base 64 character: </span><span class="si">#{</span><span class="nx">char</span><span class="si">}</span><span class="s">&quot;</span>
<span class="nx">value</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-24">&#182;</a> </div> <h3>Base 64 VLQ encoding/decoding helpers</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-25">&#182;</a> </div> <p>Note that SourceMap VLQ encoding is "backwards". MIDI style VLQ encoding puts the
most-significant-bit (MSB) from the original value into the MSB of the VLQ encoded value
(see http://en.wikipedia.org/wiki/File:Uintvar_coding.svg). 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> </td> <td class="code"> <div class="highlight"><pre><span class="nv">VLQ_SHIFT = </span><span class="mi">5</span>
<span class="nv">VLQ_CONTINUATION_BIT = </span><span class="mi">1</span> <span class="o">&lt;&lt;</span> <span class="nx">VLQ_SHIFT</span> <span class="c1"># 0010 0000</span>
<span class="nv">VLQ_VALUE_MASK = </span><span class="nx">VLQ_CONTINUATION_BIT</span> <span class="o">-</span> <span class="mi">1</span> <span class="c1"># 0001 1111</span></pre></div> </td> </tr> <tr id="section-26"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-26">&#182;</a> </div> <p>Encode a value as Base 64 VLQ.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.vlqEncodeValue = </span><span class="nf">(value) -&gt;</span></pre></div> </td> </tr> <tr id="section-27"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-27">&#182;</a> </div> <p>Least significant bit represents the sign.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">signBit = </span><span class="k">if</span> <span class="nx">value</span> <span class="o">&lt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="mi">1</span> <span class="k">else</span> <span class="mi">0</span></pre></div> </td> </tr> <tr id="section-28"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-28">&#182;</a> </div> <p>Next bits are the actual value</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">valueToEncode = </span><span class="p">(</span><span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">value</span><span class="p">)</span> <span class="o">&lt;&lt;</span> <span class="mi">1</span><span class="p">)</span> <span class="o">+</span> <span class="nx">signBit</span>
<span class="nx">value</span></pre></div></div>
<span class="nv">answer = </span><span class="s">&quot;&quot;</span></pre></div> </td> </tr> <tr id="section-29"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-29">&#182;</a> </div> <p>Make sure we encode at least one character, even if valueToEncode is 0.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">while</span> <span class="nx">valueToEncode</span> <span class="o">||</span> <span class="o">!</span><span class="nx">answer</span>
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<h3>Base 64 VLQ encoding/decoding helpers</h3>
<p>Note that SourceMap VLQ encoding is &quot;backwards&quot;. MIDI style VLQ encoding puts the
most-significant-bit (MSB) from the original value into the MSB of the VLQ encoded value
(see <a href="http://en.wikipedia.org/wiki/File:Uintvar_coding.svg">http://en.wikipedia.org/wiki/File:Uintvar_coding.svg</a>). SourceMap VLQ does things
the other way around, with the least significat four bits of the original value encoded
into the first byte of the VLQ encoded value.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">VLQ_SHIFT = </span><span class="mi">5</span>
<span class="nv">VLQ_CONTINUATION_BIT = </span><span class="mi">1</span> <span class="o">&lt;&lt;</span> <span class="nx">VLQ_SHIFT</span> <span class="c1"># 0010 0000</span>
<span class="nv">VLQ_VALUE_MASK = </span><span class="nx">VLQ_CONTINUATION_BIT</span> <span class="o">-</span> <span class="mi">1</span> <span class="c1"># 0001 1111</span></pre></div></div>
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<p>Encode a value as Base 64 VLQ.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.vlqEncodeValue = </span><span class="nf">(value) -&gt;</span></pre></div></div>
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<p>Least significant bit represents the sign.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">signBit = </span><span class="k">if</span> <span class="nx">value</span> <span class="o">&lt;</span> <span class="mi">0</span> <span class="k">then</span> <span class="mi">1</span> <span class="k">else</span> <span class="mi">0</span></pre></div></div>
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<p>Next bits are the actual value
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">valueToEncode = </span><span class="p">(</span><span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">value</span><span class="p">)</span> <span class="o">&lt;&lt;</span> <span class="mi">1</span><span class="p">)</span> <span class="o">+</span> <span class="nx">signBit</span>
<span class="nv">answer = </span><span class="s">&quot;&quot;</span></pre></div></div>
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<p>Make sure we encode at least one character, even if valueToEncode is 0.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="k">while</span> <span class="nx">valueToEncode</span> <span class="o">||</span> <span class="o">!</span><span class="nx">answer</span>
<span class="nv">nextVlqChunk = </span><span class="nx">valueToEncode</span> <span class="o">&amp;</span> <span class="nx">VLQ_VALUE_MASK</span>
<span class="nv">valueToEncode = </span><span class="nx">valueToEncode</span> <span class="o">&gt;&gt;</span> <span class="nx">VLQ_SHIFT</span>
@ -125,10 +652,28 @@ into the first byte of the VLQ encoded value.</p> </td>
<span class="nx">answer</span> <span class="o">+=</span> <span class="nx">encodeBase64Char</span><span class="p">(</span><span class="nx">nextVlqChunk</span><span class="p">)</span>
<span class="k">return</span> <span class="nx">answer</span></pre></div> </td> </tr> <tr id="section-30"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-30">&#182;</a> </div> <p>Decode a Base 64 VLQ value.</p>
<span class="k">return</span> <span class="nx">answer</span></pre></div></div>
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<p>Decode a Base 64 VLQ value.
</p>
<p>Returns <code>[value, consumed]</code> where <code>value</code> is the decoded value, and <code>consumed</code> is the number
of characters consumed from <code>str</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.vlqDecodeValue = </span><span class="nf">(str, offset=0) -&gt;</span>
of characters consumed from <code>str</code>.
</p>
</div>
<div class="content"><div class="highlight"><pre><span class="nv">exports.vlqDecodeValue = </span><span class="nf">(str, offset=0) -&gt;</span>
<span class="nv">position = </span><span class="nx">offset</span>
<span class="nv">done = </span><span class="kc">false</span>
@ -142,14 +687,71 @@ of characters consumed from <code>str</code>.</p> </td>
<span class="nv">nextChunkValue = </span><span class="nx">nextVlqChunk</span> <span class="o">&amp;</span> <span class="nx">VLQ_VALUE_MASK</span>
<span class="nx">value</span> <span class="o">+=</span> <span class="p">(</span><span class="nx">nextChunkValue</span> <span class="o">&lt;&lt;</span> <span class="nx">continuationShift</span><span class="p">)</span>
<span class="k">if</span> <span class="o">!</span><span class="p">(</span><span class="nx">nextVlqChunk</span> <span class="o">&amp;</span> <span class="nx">VLQ_CONTINUATION_BIT</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-31"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-31">&#182;</a> </div> <p>We'll be done after this character.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">done = </span><span class="kc">true</span></pre></div> </td> </tr> <tr id="section-32"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-32">&#182;</a> </div> <p>Bits are encoded least-significant first (opposite of MIDI VLQ). Increase the
continuationShift, so the next byte will end up where it should in the value.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">continuationShift</span> <span class="o">+=</span> <span class="nx">VLQ_SHIFT</span>
<span class="k">if</span> <span class="o">!</span><span class="p">(</span><span class="nx">nextVlqChunk</span> <span class="o">&amp;</span> <span class="nx">VLQ_CONTINUATION_BIT</span><span class="p">)</span></pre></div></div>
<span class="nv">consumed = </span><span class="nx">position</span> <span class="o">-</span> <span class="nx">offset</span></pre></div> </td> </tr> <tr id="section-33"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-33">&#182;</a> </div> <p>Least significant bit represents the sign.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">signBit = </span><span class="nx">value</span> <span class="o">&amp;</span> <span class="mi">1</span>
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<p>We&#39;ll be done after this character.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">done = </span><span class="kc">true</span></pre></div></div>
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<p>Bits are encoded least-significant first (opposite of MIDI VLQ). Increase the
continuationShift, so the next byte will end up where it should in the value.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nx">continuationShift</span> <span class="o">+=</span> <span class="nx">VLQ_SHIFT</span>
<span class="nv">consumed = </span><span class="nx">position</span> <span class="o">-</span> <span class="nx">offset</span></pre></div></div>
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<p>Least significant bit represents the sign.
</p>
</div>
<div class="content"><div class="highlight"><pre> <span class="nv">signBit = </span><span class="nx">value</span> <span class="o">&amp;</span> <span class="mi">1</span>
<span class="nv">value = </span><span class="nx">value</span> <span class="o">&gt;&gt;</span> <span class="mi">1</span>
<span class="k">if</span> <span class="nx">signBit</span> <span class="k">then</span> <span class="nv">value = </span><span class="o">-</span><span class="nx">value</span>
<span class="k">return</span> <span class="p">[</span><span class="nx">value</span><span class="p">,</span> <span class="nx">consumed</span><span class="p">]</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
</pre></div></div>
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