Syntax tree equivalent of a source file

ruby-talk
1

Is there a way to get a syntax tree for the ruby program file after
loading in the program file (using irb)?

db

···

–
A.D. 1844: Samuel Morse invents Morse code. Cryptography export
restrictions prevent the telegraph’s use outside the U.S. and Canada.

2

In article 20021203221354.GV86528@zone.syracuse.net,

···

Daniel Bretoi lists@debonair.net wrote:

Is there a way to get a syntax tree for the ruby program file after
loading in the program file (using irb)?

db

I don’t think there is a built-in way of doing this inside of irb, but
there are a few projects out there. Look on the RAA for Ruth and Ripper.
Also check out nodeDump here:
http://www.pragmaticprogrammer.com/ruby/downloads/nodeDump.html

Phil

“Or perhaps the truth is less interesting than the facts?”
Amy Weiss (accusing theregister.co.uk of engaging in ‘tabloid journalism’)
Senior VP, Communications
Recording Industry Association of America

3

Check this out from RAA:

Category: Library/Compiler
Project name: bRuby
Version: snapshot20021202
Status: pre-alpha
Last update: 2002-12-03 00:44:57 GMT
Owner: Yuya (Projects of this owner)
Homepage: http://bruby.sourceforge.jp/
Download:
http://downloads.sourceforge.jp/bruby/1731/bruby-snapshot20021202.tar.gz
License: LGPL
Description: bRuby is an extension library for dumping/un-dumping ruby’s
internal syntax tree.

“Daniel Bretoi” lists@debonair.net wrote in message
news:20021203221354.GV86528@zone.syracuse.net…

···

Is there a way to get a syntax tree for the ruby program file after
loading in the program file (using irb)?

db

–
A.D. 1844: Samuel Morse invents Morse code. Cryptography export
restrictions prevent the telegraph’s use outside the U.S. and Canada.