From: John Mair <jrmair@...>
Date: 2011-02-23T09:54:51+09:00
Subject: Re: LiveAST: a pure Ruby 1.9.2 library for obtaining live abstract syntax trees

Why not use Ripper for 1.9 code and RubyParser for 1.8 code?

James Lawrence wrote in post #983253:
> On Tue, Feb 22, 2011 at 7:07 AM, John Mair <jrmair@gmail.com> wrote:
>> The weird thing about this project is it requires Ruby 1.9.2 and above,
>> yet RubyParser can only parse 1.8 code....
>>
>> just an observation
>> ;)
>
> LiveAST merely takes a static Ruby parser and electrifies it with the
> Ruby runtime. The weirdness you observe is the lack of a full-featured
> cross-implementation parser for Ruby 1.9. This project is only a
> messenger for that weirdness :)
>
> Ruby needs a parser:
> 
http://groups.google.com/group/ruby-core-google/browse_thread/thread/3d245807cb0b42b1/
>
> (The current implementation of LiveAST is different from the hacky
> prototype mentioned in that thread, though it is still small.)

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