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- <h1><a href="#">Esprima</a></h1>
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- <li><label>Static Analysis</label></li>
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- <h3 class="subheader"><strong>ECMAScript</strong> parsing infrastructure for multipurpose analysis</h3>
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- <p><strong>Esprima</strong> is a high performance, standard-compliant
- <a href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a> parser written in ECMAScript (also popularly known as
- <a href="http://en.wikipedia.org/wiki/JavaScript">JavaScript</a>).</p>
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- <h4>Features</h4>
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- <li>Full support for ECMAScript 5.1 (<a href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMA-262</a>)</li>
- <li>Sensible <a href="doc/index.html#ast">syntax tree format</a>, compatible with Mozilla <a href="https://developer.mozilla.org/en/SpiderMonkey/Parser_API">Parser AST</a></li>
- <li>Optional tracking of syntax node location (index-based and line-column)</li>
- <li>Heavily tested (> 600 <a href="http://esprima.org/test/">tests</a> with solid statement and branch coverage)</li>
- <li>Experimental support for ES6/Harmony (module, class, destructuring, ...)</li>
- </ul>
- <p></p>
- <p>Esprima serves as an important <strong>building block</strong> for some JavaScript language tools,
- from <a href="demo/functiontrace.html">code instrumentation</a> to <a href="demo/autocomplete.html">editor autocompletion</a>.</p>
- <a href="demo/autocomplete.html"><img src="assets/images/autocomplete.png" width="562" height="295" alt="Autocomplete"></a></p>
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- <p>Once the full syntax tree is obtained, various <strong>static code analysis</strong>
- can be applied to give an insight to the code:
- <a href="demo/parse.html">syntax visualization</a>,
- <a href="demo/validate.html">code validation</a>,
- <a href="demo/autocomplete.html">editing autocomplete</a> (with type inferencing)
- and <a href="demo/index.html">many others</a>.</p>
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- <p>Regenerating the code from the syntax tree permits a few different types of <strong>code transformation</strong>,
- from a simple <a href="demo/rewrite.html">rewriting</a> (with specific formatting) to
- a more complicated <a href="demo/minify.html">minification</a>.</p>
- </div>
- <p>Esprima runs on many popular web browsers, as well as other ECMAScript platforms such as
- <a href="http://www.mozilla.org/rhino">Rhino</a> and
- <a href="https://npmjs.org/package/esprima">Node.js</a>. It is distributed under the
- <a href="https://github.com/ariya/esprima/blob/master/LICENSE.BSD">BSD license</a>.</p>
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- <p>Esprima is created and mantained by <a href="http://ariya.ofilabs.com/about">Ariya Hidayat</a>.</p>
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- <li><a href="http://twitter.com/esprima">@Esprima</a></li>
- <li><a href="https://github.com/ariya/esprima">GitHub</a></li>
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