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POlightweight javascript to javascript parser
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copied!<p>How would I go about writing a lightweight javascript to javascript parser. Something simple that can convert some snippets of code.</p> <p>I would like to basically make the internal scope objects in functions public.</p> <p>So something like this</p> <pre><code>var outer = 42; window.addEventListener('load', function() { var inner = 42; function magic() { var in_magic = inner + outer; console.log(in_magic); } magic(); }, false); </code></pre> <p>Would compile to</p> <pre><code>__Scope__.set('outer', 42); __Scope__.set('console', console); window.addEventListener('load', constructScopeWrapper(__Scope__, function(__Scope__) { __Scope__.set('inner', 42); __Scope__.set('magic',constructScopeWrapper(__Scope__, function _magic(__Scope__) { __Scope__.set('in_magic', __Scope__.get('inner') + __Scope__.get('outer')); __Scope__.get('console').log(__Scope__.get('in_magic')); })); __Scope__.get('magic')(); }), false); </code></pre> <p><a href="http://jsfiddle.net/pPnLf/11/" rel="nofollow">Demonstation Example</a></p> <p>Motivation behind this is to serialize the state of functions and closures and keep them synchronized across different machines (client, server, multiple servers). For this I would need a representation of <code>[[Scope]]</code></p> <p><strong>Questions:</strong></p> <ol> <li>Can I do this kind of compiler without writing a full JavaScript -> (slightly different) JavaScript compiler?</li> <li>How would I go about writing such a compiler?</li> <li>Can I re-use existing js -> js compilers?</li> </ol>

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