From: Nobuyoshi Nakada <nobu@...>
Date: 2008-10-07T18:14:45+09:00
Subject: Re: Why not adopt "Python Style" indentation for Ruby?

Hi,

At Tue, 7 Oct 2008 04:57:45 +0900,
Brian Candler wrote in [ruby-talk:317027]:
> I find Ruby's syntax as-is works remarkably well. The only problem it 
> causes me is with do-end mismatches where the parser just runs off the 
> end of the file, with no indication of where the missing do or end might 
> be. I have on many occasions resorted to chopping a copy of my source 
> file to find the problem (that is, lopping out a class or a method at a 
> time until the problem goes away)

Python style indentation also can't help you alone.  How can it
know which did you intend?

  if x == "ok":
    print "ok"
    print "foo"

  if x == "ok":
    print "ok"
  print "foo"


> Personally, the solution I would love to have is a parser/pretty-printer 
> tool which can read a Ruby source file and spit it back out with 
> "standardised" indentation. It would then be obvious where the problem 
> lies. You'd get the benefit of python-style indentation, without 
> actually having to use python-style indentation :-)

Recent 1.9 warns when it see a mismatch.

$ ./ruby -ve 'begin
  end'
ruby 1.9.0 (2008-10-07 revision 19704) [i686-linux]
./ruby: warning: mismatched indentations: line 1:'begin' and line 2:'end'

-- 
Nobu Nakada