From: "luislavena (Luis Lavena)" <luislavena@...>
Date: 2013-02-24T23:25:36+09:00
Subject: [ruby-core:52832] [ruby-trunk - Bug #7944][Assigned] 1.9.3 can't process and generate documentation for 2.0.0 (lib/profiler.rb)


Issue #7944 has been reported by luislavena (Luis Lavena).

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Bug #7944: 1.9.3 can't process and generate documentation for 2.0.0 (lib/profiler.rb)
https://bugs.ruby-lang.org/issues/7944

Author: luislavena (Luis Lavena)
Status: Assigned
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: lib
Target version: next minor
ruby -v: ruby 1.9.3p385 (2013-02-06) [i386-mingw32]


=begin

While working on RubyInstaller, we try to generate RDoc of Ruby source.

Using RDoc 3.12.1, we received the following:

 Parsing sources...
  18% [125/663]  lib/profiler.rb
 RDoc::Parser::Ruby failure around line 79 of
 lib/profiler.rb
 
 Before reporting this, could you check that the file you're documenting
 has proper syntax:
 
   C:/Users/Luis/Tools/Ruby/ruby-1.9.3-p385-i386-mingw32/bin/ruby.exe -c lib/profiler.rb
 
 RDoc is not a full Ruby parser and will fail when fed invalid ruby programs.
 
 The internal error was:
 
         (RDoc::RubyLex::Error) unknown type of %string "i"
 
 rake aborted!
 unknown type of %string "i"

When executed ruby with (({-c})) received the following:

 C:\Users\Luis\Code\oneclick\rubyinstaller>ruby -v -c sandbox\ruby_1_9\lib\profiler.rb
 ruby 1.9.3p385 (2013-02-06) [i386-mingw32]
 sandbox/ruby_1_9/lib/profiler.rb:79: unknown type of %string
 ...CALL_PROC = TracePoint.new(*%i[call c_call b_call]) {|tp| # ...
 ...                               ^
 sandbox/ruby_1_9/lib/profiler.rb:79: syntax error, unexpected $end
 ...CALL_PROC = TracePoint.new(*%i[call c_call b_call]) {|tp| # ...
 ...                               ^

The syntax is OK for 2.0.0:

 C:\Users\Luis\Code\oneclick\rubyinstaller>sandbox\ruby19_mingw\bin\ruby -v -c sandbox\ruby_1_9\lib\profiler.rb
 ruby 2.0.0p0 (2013-02-24) [i386-mingw32]
 Syntax OK

We can't use Ruby's 2.0 RDoc version as we need rdoc_chm gem and we are building a clean installer.

I would like to know if is possible change (({lib/profiler.rb})) to use an array of symbols instead.

Thank you
=end


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