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[ruby-dev:52038] [Ruby master Bug#8782] Don't set rl_getc_function on editline
by jeremyevans0 (Jeremy Evans) 22 Aug '23

22 Aug '23

Issue #8782 has been updated by jeremyevans0 (Jeremy Evans). Status changed from Assigned to Closed Backport deleted (1.9.3: UNKNOWN, 2.0.0: UNKNOWN) Readline support was removed in commit:59fd67fc3d405e529e038172e769ff20a8fb5535. If this is still an issue, please file it upstream https://github.com/ruby/readline-ext ---------------------------------------- Bug #8782: Don't set rl_getc_function on editline https://bugs.ruby-lang.org/issues/8782#change-104205 * Author: naruse (Yui NARUSE) * Status: Closed * Priority: Normal * Assignee: kouji (Kouji Takao) * ruby -v: ruby 2.1.0dev (2013-08-12 trunk 42528) [x86_64-darwin12.4.0] ---------------------------------------- r42402 以来 OS X 等の editline 環境では #define rl_getc(f) EOF が使われるようになってしまって残念なことになっていたわけですが、そもそも editline の readline wrapper は non ASCII に対応していません。 (editline 自体には UTF-8 のみの対応が入ったが、readline wrapper は src/readline.c の _getc_function を経由するので non ASCII は化ける) ので、いっそ rl_getc_function を使わないようにしてはどうでしょう。以下のようなパッチを当てると、readline なしの OS X の irb で日本語が使えるようになります。 diff --git a/ext/readline/extconf.rb b/ext/readline/extconf.rb index 0b121c1..bc0ee77 100644 --- a/ext/readline/extconf.rb +++ b/ext/readline/extconf.rb @@ -94,4 +94,5 @@ readline.have_func("clear_history") readline.have_func("rl_redisplay") readline.have_func("rl_insert_text") readline.have_func("rl_delete_text") +readline.have_func("el_init") create_makefile("readline") diff --git a/ext/readline/readline.c b/ext/readline/readline.c index 0f76d1a..85109f0 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -130,12 +130,7 @@ static VALUE readline_instream; static VALUE readline_outstream; #if defined HAVE_RL_GETC_FUNCTION - -#ifndef HAVE_RL_GETC -#define rl_getc(f) EOF -#endif - -static int readline_getc(FILE *); +# ifndef HAVE_EL_INIT static int readline_getc(FILE *input) { @@ -187,6 +182,7 @@ readline_getc(FILE *input) #endif return FIX2INT(c); } +# endif #elif defined HAVE_RL_EVENT_HOOK #define BUSY_WAIT 0 @@ -1771,7 +1767,9 @@ Init_readline() /* libedit check rl_getc_function only when rl_initialize() is called, */ /* and using_history() call rl_initialize(). */ /* This assignment should be placed before using_history() */ +# ifndef HAVE_EL_INIT rl_getc_function = readline_getc; +# endif #elif defined HAVE_RL_EVENT_HOOK rl_event_hook = readline_event; #endif -- https://bugs.ruby-lang.org/

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[ruby-dev:52033] [Ruby master Bug#14387] Ruby 2.5 を Alpine Linux で実行すると比較的浅めで SystemStackError 例外になる
by ojab (ojab ojab) 01 Jan '23

01 Jan '23

Issue #14387 has been updated by ojab (ojab ojab). Any update on this? ---------------------------------------- Bug #14387: Ruby 2.5 を Alpine Linux で実行すると比較的浅めで SystemStackError 例外になる https://bugs.ruby-lang.org/issues/14387#change-100931 * Author: koshigoe (Masataka SUZUKI) * Status: Open * Priority: Normal * ruby -v: ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-linux-musl] * Backport: 2.3: DONTNEED, 2.4: DONTNEED, 2.5: REQUIRED ---------------------------------------- CircleCI で Alpine Linux を使って Ruby 2.5.0 で Rubocop を実行した時に遭遇した例外です(Ruby 2.4.3 では発生しませんでした)。 Ruby のバージョンによって、再帰が止められるまでの回数に大きな違いがあるのはなぜでしょうか？これは、意図された挙動なのか、Ruby の変更によるものでは無く Alpine Linux 固有の問題なのか、教えていただく事は可能でしょうか？ Alpine Linux の Tread stack size が比較的小さい事で、Ruby 2.5.0 からこのような挙動になったのでしょうか？ https://wiki.musl-libc.org/functional-differences-from-glibc.html#Thread-st… ## 再現問題の再現のため、以下の様な再帰するコードを実行します。 ~~~ ruby # test.rb n = 100000 res = {} 1.upto(n).to_a.inject(res) do |r, i| r[i] = {} end def f(x) x.each_value { |v| f(v) } end f(res) ~~~ Ruby 2.4.3 で実行した場合、 10061 levels で例外があがりました。 ~~~ % docker container run \ -v (pwd):/mnt/my --rm \ ruby:2.4.3-alpine3.7 \ ruby -v /mnt/my/test.rb ruby 2.4.3p205 (2017-12-14 revision 61247) [x86_64-linux-musl] /mnt/my/test.rb:9:in `each_value': stack level too deep (SystemStackError) from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' ... 10061 levels... from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:12:in `<main>' ``` 一方で Ruby 2.5.0 で実行した場合、 134 level で例外があがりました。 ``` % docker container run \ -v (pwd):/mnt/my --rm \ test/ruby:trunk-alpine3.7 \ ruby -v /mnt/my/test.rb ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-linux-musl] /mnt/my/test.rb:9:in `each_value': stack level too deep (SystemStackError) from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' ... 134 levels... from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:12:in `<main>' ``` また、Ruby trunk で実行した場合は 2.5.0 同等の結果になりました。 ``` ruby 2.6.0dev (2018-01-24 trunk 62017) [x86_64-linux-musl] /mnt/my/test.rb:9:in `each_value': stack level too deep (SystemStackError) from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:9:in `block in f' ... 134 levels... from /mnt/my/test.rb:9:in `block in f' from /mnt/my/test.rb:9:in `each_value' from /mnt/my/test.rb:9:in `f' from /mnt/my/test.rb:12:in `<main>' ``` ※ trunk の Docker イメージを作った際の Dockerfile は以下。 https://gist.github.com/koshigoe/509be02a3580cdfc7a2cc45a4e6e44c5 ---Files-------------------------------- 0001-thread_pthread.c-make-get_main_stack-portable-on-lin.patch (2.61 KB) -- https://bugs.ruby-lang.org/

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[ruby-dev:52032] [Ruby master Bug#18024] Ractor crashes when connections are closed in multiple Ractors
by niku (niku _) 27 Dec '22

27 Dec '22

Issue #18024 has been updated by niku (niku _). I also couldn't reproduce it on m2 mac with both ruby versions 3.0.0 which is reported and 3.2.0 the latest. I hope it helps. ``` ~/src/confirm_bugs.ruby-lang.org/18024 () asdf local ruby 3.0.0 ~/src/confirm_bugs.ruby-lang.org/18024 () ruby --version ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [arm64-darwin22] ~/src/confirm_bugs.ruby-lang.org/18024 () ruby description.rb <internal:ractor>:267: warning: Ractor is experimental, and the behavior may change in future versions of Ruby! Also there are many implementation issues. "Starting a sender" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|1 Data: yay" "Worker|1 Data: yay" "Worker|1 Data: yay" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|1 Data: yay" "Worker|0 Data: yay" ^C<internal:ractor>:694:in `take': Interrupt from description.rb:35:in `block in <main>' from description.rb:35:in `each' from description.rb:35:in `<main>' ~/src/confirm_bugs.ruby-lang.org/18024 () asdf local ruby 3.2.0 ~/src/confirm_bugs.ruby-lang.org/18024 () ruby --version ruby 3.2.0 (2022-12-25 revision a528908271) [arm64-darwin22] ~/src/confirm_bugs.ruby-lang.org/18024 () ruby description.rb description.rb:9: warning: Ractor is experimental, and the behavior may change in future versions of Ruby! Also there are many implementation issues. "Starting a sender" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|0 Data: yay" "Worker|1 Data: yay" "Worker|0 Data: yay" "Worker|1 Data: yay" "Worker|1 Data: yay" "Worker|0 Data: yay" ^C<internal:ractor>:698:in `take': Interrupt from description.rb:35:in `block in <main>' from description.rb:35:in `each' from description.rb:35:in `<main>' ``` ---------------------------------------- Bug #18024: Ractor crashes when connections are closed in multiple Ractors https://bugs.ruby-lang.org/issues/18024#change-100818 * Author: tagomoris (Satoshi TAGOMORI) * Status: Assigned * Priority: Normal * Assignee: ko1 (Koichi Sasada) * ruby -v: ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [arm64-darwin20] * Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN ---------------------------------------- When multiple Ractors will accept and close connections, that script caused the crash shown below. This pattern is taken when we want to distribute the overhead of `accept` to multiple CPU cores. Script: ``` require 'socket' try_times = 10 worker_num = 2 listener = TCPServer.new("127.0.0.1", 8228) listener.listen(100) workers = worker_num.times.map do |i| Ractor.new(i, listener.dup) do |index, sock| while conn = sock.accept begin data = conn.read p "Worker|#{index} Data: #{data}" conn.close rescue => e p "Worker|#{index} #{e.full_message}" end end rescue => e $stderr.puts "Error, worker#{index}: #{e.full_message}" end end p "Starting a sender" sender = Ractor.new(try_times) do |tries| tries.times.each do s = TCPSocket.new("127.0.0.1", 8228) s.write("yay") ensure s.close rescue nil end end sender.take workers.each{|w| w.take} p "End" ``` Crash report: ``` <internal:ractor>:267: warning: Ractor is experimental, and the behavior may change in future versions of Ruby! Also there are many implementation issues. "Starting a sender" "Worker|1 Data: yay" snippets/ractor_accept.rb:30: [BUG] Bus Error at 0x00000014000001f5 ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [arm64-darwin20] -- Crash Report log information -------------------------------------------- See Crash Report log file under the one of following: * ~/Library/Logs/DiagnosticReports * /Library/Logs/DiagnosticReports for more details. Don't forget to include the above Crash Report log file in bug reports. -- Control frame information ----------------------------------------------- c:0006 p:---- s:0023 e:000022 CFUNC :close c:0005 p:0028 s:0019 e:000017 BLOCK snippets/ractor_accept.rb:30 [FINISH] c:0004 p:---- s:0014 e:000013 CFUNC :times c:0003 p:---- s:0011 e:000010 CFUNC :each c:0002 p:0008 s:0007 e:000006 BLOCK snippets/ractor_accept.rb:26 [FINISH] c:0001 p:---- s:0003 e:000002 (none) [FINISH] -- Ruby level backtrace information ---------------------------------------- snippets/ractor_accept.rb:26:in `block in <main>' snippets/ractor_accept.rb:26:in `each' snippets/ractor_accept.rb:26:in `times' snippets/ractor_accept.rb:30:in `block (2 levels) in <main>' snippets/ractor_accept.rb:30:in `close' -- Other runtime information ----------------------------------------------- * Loaded script: snippets/ractor_accept.rb * Loaded features: 0 enumerator.so 1 thread.rb 2 rational.so 3 complex.so 4 ruby2_keywords.rb 5 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250000000-260000000 r-- 260000000-270000000 r-- 270000000-280000000 r-- fc0000000-1000000000 --- 1000000000-7000000000 --- [IMPORTANT] Don't forget to include the Crash Report log file under DiagnosticReports directory in bug reports. Abort trap: 6 ``` ---Files-------------------------------- ruby_2021-07-06-231613_Moris-Macbook-Air.crash (35.9 KB) ruby_2021-08-24-203317_Moris-Macbook-Air.crash (17.4 KB) -- https://bugs.ruby-lang.org/

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[ruby-dev:52014] [Ruby master Feature#19194] Add Regexp.linear_time?
by make_now_just (Hiroya Fujinami) 25 Dec '22

25 Dec '22

Issue #19194 has been reported by make_now_just (Hiroya Fujinami). ---------------------------------------- Feature #19194: Add Regexp.linear_time? https://bugs.ruby-lang.org/issues/19194 * Author: make_now_just (Hiroya Fujinami) * Status: Open * Priority: Normal ---------------------------------------- I suggest adding a new method named `Regexp.linear_time?` to check if matching against a given regexp can be completed in linear time by the optimization introduced in #19104 (GitHub PR [#6486](https://github.com/ruby/ruby/pull/6486)). This method was discussed in #19104. I'm not sure the name is best. # Example ``` Regexp.linear_time?(/a/) # => true Regexp.linear_time?(/(a|a)*\1/) # => false, because this uses a back-reference. # This can accept a regexp source string and flags like `Regexp.new`. Regexp.linear_time?('a') # => true Regexp.linear_time?('a', Regexp::IGNORECASE) # => true ``` For example, this method is useful for implementing a Rubocop rule to check a regexp is ReDoS safe. # Implementation Implementation is done at GitHub PR [#6901](https://github.com/ruby/ruby/pull/6901). See the details there. -- https://bugs.ruby-lang.org/

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[ruby-dev:52013] [Ruby master Feature#19193] drop DOS TEXT mode support
by YO4 (Yoshinao Muramatsu) 20 Dec '22

20 Dec '22

Issue #19193 has been reported by YO4 (Yoshinao Muramatsu). ---------------------------------------- Feature #19193: drop DOS TEXT mode support https://bugs.ruby-lang.org/issues/19193 * Author: YO4 (Yoshinao Muramatsu) * Status: Open * Priority: Normal ---------------------------------------- On Windows platform, ```File.open(path, "r")``` returns an object different from "rt" and "rb". I call that DOS TEXT mode here. DOS TEXT mode does * crlf conversion * 0x1a treated EOF charactor on read and others (see Bug #19192). But DOS TEXT mode is almost unnecessary today and it seems to introduce lot of code complexities. Now there is less need for dos text mode * Microsoft's most apps works without CRLF newline. * Creating a crlf text file today should be explicit. (but that is default mode on windows now) * Interpreting EOF charactor can cause trouble. I think it's time to consider dropping DOS TEXT mode. What challenges are there and what preparation is needed? -- https://bugs.ruby-lang.org/

3 3

[ruby-dev:52028] [Ruby master Feature#19134] ** is not allowed in def foo(...)
by Eregon (Benoit Daloze) 15 Dec '22

15 Dec '22

Issue #19134 has been updated by Eregon (Benoit Daloze). shugo (Shugo Maeda) wrote in #note-14: > Speaking of implicity of blocks, `def f; g(&); end` causes a syntax error, so it may be better to allow it, or disallow `def f(...); g(&); end` in the future versions. Since some time @ko1 worked on no implicit block if not a parameter of the method (with the exception of `yield` in the body). I think that's a good property, so I think it's good for `def f; g(&); end` to be a syntax error. For `def f(...); g(&); end` "..." is "capture all arguments, positional, keyword and block" so I think it's more natural there to be able to access the block (although I can't think of when that would be useful, maybe `def f(...); g(&); h(...) end` when `h` is known to ignore the block but that feels hacky, better use `(*, **, &)` parameters then). > Anyway, I've fixed the behavior of `...` as described in #note-9. Thanks! ---------------------------------------- Feature #19134: ** is not allowed in def foo(...) https://bugs.ruby-lang.org/issues/19134#change-100680 * Author: shugo (Shugo Maeda) * Status: Closed * Priority: Normal * Assignee: matz (Yukihiro Matsumoto) * Target version: 3.2 ---------------------------------------- `*` and `&` are allowed in the body of a method with `...` argument forwarding, but `**` is not allowed. ``` def foo(...) bar(*) # OK baz(&) # OK quux(**) # NG end ``` Is it intended behavior? It seems that parse.y has code like `#ifdef RUBY3_KEYWORDS`, and if RUBY3_KEYWORDS, `**` will also be supported. -- https://bugs.ruby-lang.org/

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[ruby-dev:52027] [Ruby master Feature#19134] ** is not allowed in def foo(...)
by shugo (Shugo Maeda) 15 Dec '22

15 Dec '22

Issue #19134 has been updated by shugo (Shugo Maeda). mame (Yusuke Endoh) wrote in #note-12: > I feel that only `&` is acceptable since a block is implicitly passed. But I don't think `*` and `**` make sense inside `def foo(...)`. Speaking of implicity of blocks, `def f; g(&); end` causes a syntax error, so it may be better to allow it, or disallow `def f(...); g(&); end` in the future versions. Anyway, I've fixed the behavior of `...` as described in #note-9. ---------------------------------------- Feature #19134: ** is not allowed in def foo(...) https://bugs.ruby-lang.org/issues/19134#change-100678 * Author: shugo (Shugo Maeda) * Status: Closed * Priority: Normal * Assignee: matz (Yukihiro Matsumoto) * Target version: 3.2 ---------------------------------------- `*` and `&` are allowed in the body of a method with `...` argument forwarding, but `**` is not allowed. ``` def foo(...) bar(*) # OK baz(&) # OK quux(**) # NG end ``` Is it intended behavior? It seems that parse.y has code like `#ifdef RUBY3_KEYWORDS`, and if RUBY3_KEYWORDS, `**` will also be supported. -- https://bugs.ruby-lang.org/

1 0

[ruby-dev:52025] [Ruby master Feature#19134] ** is not allowed in def foo(...)
by mame (Yusuke Endoh) 14 Dec '22

14 Dec '22

Issue #19134 has been updated by mame (Yusuke Endoh). > IMHO if ... is used then *, ** and & should all be forbidden (a SyntaxError at parse time). I agree with this. If you want to do that, you should take it with `def foo(*, **, &)`. I feel that only `&` is acceptable since a block is implicitly passed. But I don't think `*` and `**` make sense inside `def foo(...)`. ---------------------------------------- Feature #19134: ** is not allowed in def foo(...) https://bugs.ruby-lang.org/issues/19134#change-100630 * Author: shugo (Shugo Maeda) * Status: Open * Priority: Normal * Assignee: matz (Yukihiro Matsumoto) * Target version: 3.2 ---------------------------------------- `*` and `&` are allowed in the body of a method with `...` argument forwarding, but `**` is not allowed. ``` def foo(...) bar(*) # OK baz(&) # OK quux(**) # NG end ``` Is it intended behavior? It seems that parse.y has code like `#ifdef RUBY3_KEYWORDS`, and if RUBY3_KEYWORDS, `**` will also be supported. -- https://bugs.ruby-lang.org/

1 0

[ruby-dev:52021] [Ruby master Feature#19134] ** is not allowed in def foo(...)
by Eregon (Benoit Daloze) 12 Dec '22

12 Dec '22

Issue #19134 has been updated by Eregon (Benoit Daloze). shugo (Shugo Maeda) wrote in #note-8: > `&` is allowed in 3.1, so it's a breaking change to prohibit it. Right and `&` is not problematic re performance, it's a completely separate argument anyway. I agree with your proposal in your comment just above this one. ---------------------------------------- Feature #19134: ** is not allowed in def foo(...) https://bugs.ruby-lang.org/issues/19134#change-100573 * Author: shugo (Shugo Maeda) * Status: Open * Priority: Normal * Assignee: matz (Yukihiro Matsumoto) * Target version: 3.2 ---------------------------------------- `*` and `&` are allowed in the body of a method with `...` argument forwarding, but `**` is not allowed. ``` def foo(...) bar(*) # OK baz(&) # OK quux(**) # NG end ``` Is it intended behavior? It seems that parse.y has code like `#ifdef RUBY3_KEYWORDS`, and if RUBY3_KEYWORDS, `**` will also be supported. -- https://bugs.ruby-lang.org/

1 0

[ruby-dev:52029]
by Masaki Murano 12 Dec '22

12 Dec '22

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