June 2024 - ruby-core - ml.ruby-lang.org

[ruby-core:112538] [Ruby master Feature#19458] Expose HEREDOC identifier
by joelhawksley (Joel Hawksley) 04 Jun '24

04 Jun '24

Issue #19458 has been reported by joelhawksley (Joel Hawksley). ---------------------------------------- Feature #19458: Expose HEREDOC identifier https://bugs.ruby-lang.org/issues/19458 * Author: joelhawksley (Joel Hawksley) * Status: Open * Priority: Normal ---------------------------------------- I’d like to have access to the HEREDOC identifier. In the ViewComponent framework I help maintain, we added a method to declare a template as such: ```ruby class Component erb_template <<~ERB <h1>Hello, <%= @name %>!</h1> ERB end ``` I'd prefer to be able to write: ```ruby class Component template <<~ERB <h1>Hello, <%= @name %>!</h1> ERB end ``` And be able to see that the argument passed to `.template` was from a HEREDOC with an `ERB` identifier, which would allow me to use the correct template handler to compile the template. I could see this being implemented: 1) As a new property of String, such as `identifier` or `heredoc_identifier`. 2) By having HEREDOCs return a subclass of String that includes an `identifier` property. I'd be happy to work on implementing this change. -- https://bugs.ruby-lang.org/

9 13

[ruby-core:118170] [Ruby master Bug#20522] YJIT can panic if shape transition in `gen_setinstancevariable` emits a performance warning
by byroot (Jean Boussier) 04 Jun '24

04 Jun '24

Issue #20522 has been reported by byroot (Jean Boussier). ---------------------------------------- Bug #20522: YJIT can panic if shape transition in `gen_setinstancevariable` emits a performance warning https://bugs.ruby-lang.org/issues/20522 * Author: byroot (Jean Boussier) * Status: Open * ruby -v: ruby 3.3.2 (2024-05-30 revision e5a195edf6) [arm64-darwin23] * Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED ---------------------------------------- Reproduction script: ```ruby Warning[:performance] = true module StrictWarnings def warn(msg, category: nil, **) raise msg end end Warning.singleton_class.prepend(StrictWarnings) class A def compiled_method(is_private) @some_ivar = is_private end end 100.times do |i| klass = Class.new(A) 7.times do |j| obj = klass.new obj.instance_variable_set("@base_#{i}", 42) obj.instance_variable_set("@ivar_#{j}", 42) end obj = klass.new obj.instance_variable_set("@base_#{i}", 42) begin obj.compiled_method(true) rescue end end ``` ### Context `compiled_method` contains a `setinstancevariable` instruction, which when compiled by YJIT eagerly create the next shape if it doesn't already exist. If `Warning.warn` is redefined, then Ruby code may be invoked while YJIT is compiling, which is unsafe. ### Solution Performance warnings are best effort, so the simplest solution is to not emit warnings when YJIT is compiling. (patch incoming). -- https://bugs.ruby-lang.org/

2 3

[ruby-core:117927] [Ruby master Bug#20496] Segfault when enabling YJIT
by gettalong (Thomas Leitner) 04 Jun '24

04 Jun '24

Issue #20496 has been reported by gettalong (Thomas Leitner). ---------------------------------------- Bug #20496: Segfault when enabling YJIT https://bugs.ruby-lang.org/issues/20496 * Author: gettalong (Thomas Leitner) * Status: Open * ruby -v: ruby 3.4.0dev (2024-05-19T03:08:35Z master 7afc16aa48) [x86_64-linux] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- I installed Ruby 3.4-dev via rbenv to see how the improvements in YJIT with 3.4-dev (after reading https://speakerdeck.com/k0kubun/rubykaigi-2024) translate to other parts of HexaPDF. However, when running the HexaPDF optimization benchmark with YJIT enabled, it regularly segfaults. This does not happen without YJIT. ## Steps to reproduce * Clone the HexaPDF repository: `git clone git@github.com:gettalong/hexapdf.git` * Download the file `a.pdf` attached to this issue into the `hexapdf` directory. * Change into the `hexapdf` directory and run `ruby --yjit -I lib bin/hexapdf -f optimize --compress-pages a.pdf out.pdf`. * The run may not fail every time but it does fail with a segfault many times. ## Segfault output ``` /tmp/hexapdf/lib/hexapdf/task/optimize.rb:289: [BUG] Segmentation fault at 0x00000000000000b0 ruby 3.4.0dev (2024-05-19T03:08:35Z master 7afc16aa48) +YJIT [x86_64-linux] -- Control frame information ----------------------------------------------- c:0024 p:0016 s:0147 e:000142 METHOD /tmp/hexapdf/lib/hexapdf/task/optimize.rb:289 c:0023 p:0042 s:0136 e:000135 BLOCK /tmp/hexapdf/lib/hexapdf/content/parser.rb:192 c:0022 p:0017 s:0132 e:000131 METHOD <internal:kernel>:191 c:0021 p:0067 s:0127 e:000126 METHOD /tmp/hexapdf/lib/hexapdf/content/parser.rb:186 c:0020 p:0016 s:0118 e:000117 METHOD /tmp/hexapdf/lib/hexapdf/content/parser.rb:166 c:0019 p:0018 s:0111 E:002198 BLOCK /tmp/hexapdf/lib/hexapdf/task/optimize.rb:241 c:0018 p:0015 s:0105 e:000104 BLOCK /tmp/hexapdf/lib/hexapdf/type/page_tree_node.rb:243 c:0017 p:0007 s:0101 e:000100 BLOCK /tmp/hexapdf/lib/hexapdf/pdf_array.rb:183 [FINISH] c:0016 p:---- s:0097 e:000096 CFUNC :each_index c:0015 p:0018 s:0093 e:000092 METHOD /tmp/hexapdf/lib/hexapdf/pdf_array.rb:183 c:0014 p:0020 s:0089 e:000088 METHOD /tmp/hexapdf/lib/hexapdf/type/page_tree_node.rb:241 c:0013 p:0013 s:0084 e:000083 METHOD /tmp/hexapdf/lib/hexapdf/document/pages.rb:178 c:0012 p:0011 s:0079 E:0015a0 METHOD /tmp/hexapdf/lib/hexapdf/task/optimize.rb:236 c:0011 p:0009 s:0073 e:000072 METHOD /tmp/hexapdf/lib/hexapdf/task/optimize.rb:87 c:0010 p:0024 s:0061 e:000060 METHOD /tmp/hexapdf/lib/hexapdf/document.rb:570 c:0009 p:0031 s:0053 e:000052 METHOD /tmp/hexapdf/lib/hexapdf/cli/command.rb:276 c:0008 p:0011 s:0048 e:000047 BLOCK /tmp/hexapdf/lib/hexapdf/cli/optimize.rb:76 c:0007 p:0059 s:0044 e:000043 METHOD /tmp/hexapdf/lib/hexapdf/cli/command.rb:101 c:0006 p:0017 s:0033 e:000032 METHOD /tmp/hexapdf/lib/hexapdf/cli/optimize.rb:74 c:0005 p:0288 s:0027 e:000026 METHOD /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+0/gems/cmdparse-3.0.7/lib/cmdparse.rb:889 c:0004 p:0023 s:0017 e:000016 METHOD /tmp/hexapdf/lib/hexapdf/cli.rb:146 c:0003 p:0012 s:0012 e:000011 METHOD /tmp/hexapdf/lib/hexapdf/cli.rb:63 c:0002 p:0010 s:0006 e:000005 EVAL bin/hexapdf:6 [FINISH] c:0001 p:0000 s:0003 E:000590 DUMMY [FINISH] -- Ruby level backtrace information ---------------------------------------- bin/hexapdf:6:in '<main>' /tmp/hexapdf/lib/hexapdf/cli.rb:63:in 'run' /tmp/hexapdf/lib/hexapdf/cli.rb:146:in 'parse' /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+0/gems/cmdparse-3.0.7/lib/cmdparse.rb:889:in 'parse' /tmp/hexapdf/lib/hexapdf/cli/optimize.rb:74:in 'execute' /tmp/hexapdf/lib/hexapdf/cli/command.rb:101:in 'with_document' /tmp/hexapdf/lib/hexapdf/cli/optimize.rb:76:in 'block in execute' /tmp/hexapdf/lib/hexapdf/cli/command.rb:276:in 'apply_optimization_options' /tmp/hexapdf/lib/hexapdf/document.rb:570:in 'task' /tmp/hexapdf/lib/hexapdf/task/optimize.rb:87:in 'call' /tmp/hexapdf/lib/hexapdf/task/optimize.rb:236:in 'compress_pages' /tmp/hexapdf/lib/hexapdf/document/pages.rb:178:in 'each' /tmp/hexapdf/lib/hexapdf/type/page_tree_node.rb:241:in 'each_page' /tmp/hexapdf/lib/hexapdf/pdf_array.rb:183:in 'each' /tmp/hexapdf/lib/hexapdf/pdf_array.rb:183:in 'each_index' /tmp/hexapdf/lib/hexapdf/pdf_array.rb:183:in 'block in each' /tmp/hexapdf/lib/hexapdf/type/page_tree_node.rb:243:in 'block in each_page' /tmp/hexapdf/lib/hexapdf/task/optimize.rb:241:in 'block in compress_pages' /tmp/hexapdf/lib/hexapdf/content/parser.rb:166:in 'parse' /tmp/hexapdf/lib/hexapdf/content/parser.rb:186:in 'parse' <internal:kernel>:191:in 'loop' /tmp/hexapdf/lib/hexapdf/content/parser.rb:192:in 'block in parse' /tmp/hexapdf/lib/hexapdf/task/optimize.rb:289:in 'process' -- Threading information --------------------------------------------------- Total ractor count: 1 Ruby thread count for this ractor: 1 -- Machine register context ------------------------------------------------ RIP: 0x00005bc7f596320d RBP: 0x00005bc7f535cd18 RSP: 0x00007ffeb64795a0 RAX: 0x00000000000000b0 RBX: 0x00007b47a9eff4a8 RCX: 0x00005bc7f5315ee0 RDX: 0x0000000000000000 RDI: 0x0000000000000000 RSI: 0x0000000000000007 R8: 0x00007b478e8c56a8 R9: 0x00007b478e8934c8 R10: 0x64d5ad93872fbbfd R11: 0x00005bc7f3b57f50 R12: 0x00005bc7f5270470 R13: 0x00007b47a9ffead0 R14: 0x00005bc7f535cd28 R15: 0x00007b47a9ffeb40 EFL: 0x0000000000010202 -- C level backtrace information ------------------------------------------- /home/thomas/.rbenv/versions/3.4-dev/bin/ruby(rb_print_backtrace+0x14) [0x5bc7f38c2b13] /tmp/ruby-build.20240519133220.779813.9OK1gU/ruby-master/vm_dump.c:820 /home/thomas/.rbenv/versions/3.4-dev/bin/ruby(rb_vm_bugreport) /tmp/ruby-build.20240519133220.779813.9OK1gU/ruby-master/vm_dump.c:1151 /home/thomas/.rbenv/versions/3.4-dev/bin/ruby(rb_bug_for_fatal_signal+0xfc) [0x5bc7f3a7796c] /tmp/ruby-build.20240519133220.779813.9OK1gU/ruby-master/error.c:1108 /home/thomas/.rbenv/versions/3.4-dev/bin/ruby(sigsegv+0x46) [0x5bc7f3806916] /tmp/ruby-build.20240519133220.779813.9OK1gU/ruby-master/signal.c:929 /lib/x86_64-linux-gnu/libc.so.6(0x7b47aa645320) [0x7b47aa645320] [0x5bc7f596320d] -- Other runtime information ----------------------------------------------- * Loaded script: bin/hexapdf * Loaded features: 0 enumerator.so 1 thread.rb 2 fiber.so 3 rational.so 4 complex.so 5 ruby2_keywords.rb 6 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/enc/encdb.so 7 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/enc/trans/transdb.so 8 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/rbconfig.rb 9 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/compatibility.rb 10 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/defaults.rb 11 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/deprecate.rb 12 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/errors.rb 13 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/unknown_command_spell_checker.rb 14 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/exceptions.rb 15 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/basic_specification.rb 16 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/stub_specification.rb 17 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/platform.rb 18 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/specification_record.rb 19 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/util/list.rb 20 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/version.rb 21 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/requirement.rb 22 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/specification.rb 23 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/util.rb 24 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/dependency.rb 25 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/core_ext/kernel_gem.rb 26 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/monitor.so 27 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/monitor.rb 28 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems.rb 29 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/bundled_gems.rb 30 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/rubygems/path_support.rb 31 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/error_highlight/version.rb 32 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/error_highlight/base.rb 33 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/error_highlight/formatter.rb 34 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/error_highlight/core_ext.rb 35 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/error_highlight.rb 36 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/version.rb 37 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/core_ext/name_error.rb 38 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/levenshtein.rb 39 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/jaro_winkler.rb 40 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checker.rb 41 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/name_error_checkers/class_name_checker.rb 42 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/name_error_checkers/variable_name_checker.rb 43 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/name_error_checkers.rb 44 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/method_name_checker.rb 45 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/key_error_checker.rb 46 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/null_checker.rb 47 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/tree_spell_checker.rb 48 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/require_path_checker.rb 49 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/spell_checkers/pattern_key_name_checker.rb 50 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean/formatter.rb 51 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/did_you_mean.rb 52 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/syntax_suggest/core_ext.rb 53 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/optparse.rb 54 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+0/gems/cmdparse-3.0.7/lib/cmdparse.rb 55 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/io/console.so 56 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/ostruct.rb 57 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/stringio.so 58 /tmp/hexapdf/lib/hexapdf/error.rb 59 /tmp/hexapdf/lib/hexapdf/data_dir.rb 60 /tmp/hexapdf/lib/hexapdf/content.rb 61 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/set.rb 62 /tmp/hexapdf/lib/hexapdf/font/invalid_glyph.rb 63 /tmp/hexapdf/lib/hexapdf/configuration.rb 64 /tmp/hexapdf/lib/hexapdf/reference.rb 65 /tmp/hexapdf/lib/hexapdf/object.rb 66 /tmp/hexapdf/lib/hexapdf/pdf_array.rb 67 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/date_core.so 68 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/date.rb 69 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/time.rb 70 /tmp/hexapdf/lib/hexapdf/rectangle.rb 71 /tmp/hexapdf/lib/hexapdf/utils/pdf_doc_encoding.rb 72 /tmp/hexapdf/lib/hexapdf/dictionary_fields.rb 73 /tmp/hexapdf/lib/hexapdf/dictionary.rb 74 /tmp/hexapdf/lib/hexapdf/filter.rb 75 /tmp/hexapdf/lib/hexapdf/stream.rb 76 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/strscan.so 77 /tmp/hexapdf/lib/hexapdf/tokenizer.rb 78 /tmp/hexapdf/lib/hexapdf/utils/object_hash.rb 79 /tmp/hexapdf/lib/hexapdf/xref_section.rb 80 /tmp/hexapdf/lib/hexapdf/parser.rb 81 /tmp/hexapdf/lib/hexapdf/revision.rb 82 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/digest/version.rb 83 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/digest.so 84 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/digest/loader.rb 85 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/digest.rb 86 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/digest/md5.so 87 /tmp/hexapdf/lib/hexapdf/type/trailer.rb 88 /tmp/hexapdf/lib/hexapdf/revisions.rb 89 /tmp/hexapdf/lib/hexapdf/type/actions.rb 90 /tmp/hexapdf/lib/hexapdf/type/annotations.rb 91 /tmp/hexapdf/lib/hexapdf/type.rb 92 /tmp/hexapdf/lib/hexapdf/task.rb 93 /tmp/hexapdf/lib/hexapdf/encryption.rb 94 /tmp/hexapdf/lib/hexapdf/utils/lru_cache.rb 95 /tmp/hexapdf/lib/hexapdf/serializer.rb 96 /tmp/hexapdf/lib/hexapdf/version.rb 97 /tmp/hexapdf/lib/hexapdf/writer.rb 98 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/delegate.rb 99 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/weakref.rb 100 /tmp/hexapdf/lib/hexapdf/importer.rb 101 /tmp/hexapdf/lib/hexapdf/image_loader.rb 102 /tmp/hexapdf/lib/hexapdf/font_loader.rb 103 /tmp/hexapdf/lib/hexapdf/layout.rb 104 /tmp/hexapdf/lib/hexapdf/digital_signature.rb 105 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+0/gems/geom2d-0.4.1/lib/geom2d/utils.rb 106 /tmp/hexapdf/lib/hexapdf/utils.rb 107 /tmp/hexapdf/lib/hexapdf/document.rb 108 /tmp/hexapdf/lib/hexapdf/font/true_type.rb 109 /tmp/hexapdf/lib/hexapdf/cli/command.rb 110 /tmp/hexapdf/lib/hexapdf/cli/info.rb 111 /tmp/hexapdf/lib/hexapdf/cli/files.rb 112 /tmp/hexapdf/lib/hexapdf/content/color_space.rb 113 /tmp/hexapdf/lib/hexapdf/utils/math_helpers.rb 114 /tmp/hexapdf/lib/hexapdf/content/transformation_matrix.rb 115 /tmp/hexapdf/lib/hexapdf/content/graphics_state.rb 116 /tmp/hexapdf/lib/hexapdf/content/operator.rb 117 /tmp/hexapdf/lib/hexapdf/content/processor.rb 118 /tmp/hexapdf/lib/hexapdf/cli/inspect.rb 119 /tmp/hexapdf/lib/hexapdf/cli/modify.rb 120 /tmp/hexapdf/lib/hexapdf/cli/merge.rb 121 /tmp/hexapdf/lib/hexapdf/cli/optimize.rb 122 /tmp/hexapdf/lib/hexapdf/cli/images.rb 123 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/shellwords.rb 124 /tmp/hexapdf/lib/hexapdf/cli/batch.rb 125 /tmp/hexapdf/lib/hexapdf/cli/split.rb 126 /tmp/hexapdf/lib/hexapdf/cli/watermark.rb 127 /tmp/hexapdf/lib/hexapdf/cli/image2pdf.rb 128 /tmp/hexapdf/lib/hexapdf/cli/form.rb 129 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/home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/enc/encdb.so 7b47aaa78000-7b47aaa79000 rw-p 00003000 fc:01 27824254 /home/thomas/.rbenv/versions/3.4-dev/lib/ruby/3.4.0+0/x86_64-linux/enc/encdb.so 7b47aaa79000-7b47aaa80000 r--s 00000000 fc:01 19160541 /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache 7b47aaa80000-7b47aaa90000 rw-p 00000000 00:00 0 7b47aaa91000-7b47aaa93000 rw-p 00000000 00:00 0 7b47aaa93000-7b47aaa94000 r--p 00000000 fc:01 19160549 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b47aaa94000-7b47aaabf000 r-xp 00001000 fc:01 19160549 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b47aaabf000-7b47aaac9000 r--p 0002c000 fc:01 19160549 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b47aaac9000-7b47aaacb000 r--p 00036000 fc:01 19160549 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b47aaacb000-7b47aaacd000 rw-p 00038000 fc:01 19160549 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7ffeb5c7e000-7ffeb647d000 rw-p 00000000 00:00 0 [stack] 7ffeb65b1000-7ffeb65b5000 r--p 00000000 00:00 0 [vvar] 7ffeb65b5000-7ffeb65b7000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall] ``` ---Files-------------------------------- a.pdf (51.8 KB) -- https://bugs.ruby-lang.org/

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[ruby-core:118174] [Ruby master Feature#6648] Provide a standard API for retrieving all command-line flags passed to Ruby
by Dan0042 (Daniel DeLorme) 04 Jun '24

04 Jun '24

Issue #6648 has been updated by Dan0042 (Daniel DeLorme). > I think it's everyone's understanding that `RbConfig.ruby` should always be the path of the currently-running ruby. Yes I believe that is everyone's understanding. At least it was mine. And it turns out to be incorrect. Sure in the vast majority of cases the static install path and the currently-running ruby are going to be the same thing, so one might say it's too small a detail to care about. But I happen to care about small details. > And I suspect it's also already the case on CRuby with `--enable-load-relative` (but it would be nice if someone can check, if it's not we should fix that). I tried, and `--enable-load-relative` doesn't appear to be a supported option in any version of ruby., > Given the existence of `RbConfig.ruby`, I think `RbConfig.ruby_args` is the best fit. I agree. > (BTW there is `Process.argv0` which is about (Ruby) `ARGV[0]` and not (C) `argv[0]` I'm afraid not; `Process.argv0` is about ruby `$0` which is very different from `ARGV[0]` ---------------------------------------- Feature #6648: Provide a standard API for retrieving all command-line flags passed to Ruby https://bugs.ruby-lang.org/issues/6648#change-108618 * Author: headius (Charles Nutter) * Status: Assigned * Assignee: matz (Yukihiro Matsumoto) ---------------------------------------- Currently there are no standard mechanisms to get the flags passed to the currently running Ruby implementation. The available mechanisms are not ideal: * Scanning globals and hoping they have not been tweaked to new settings * Using external wrappers to launch Ruby * ??? Inability to get the full set of command-line flags, including flags passed to the VM itself (and probably VM-specific) makes it impossible to launch subprocess Ruby instances with the same settings. A real world example of this is "((%bundle exec%))" when called with a command line that sets various flags, a la ((%jruby -Xsome.vm.setting --1.9 -S bundle exec%)). None of these flags can propagate to the subprocess, so odd behaviors result. The only option is to put the flags into an env var (((|JRUBY_OPTS|)) or ((|RUBYOPT|))) but this breaks the flow of calling a simple command line. JRuby provides mechanisms to get all its command line options, but they require calling Java APIs from Ruby's API set. Rubinius provides its own API for accessing comand-line options, but I do not know if it includes VM-level flags as well as standard Ruby flags. I know there is a (({RubyVM})) namespace in the 2.0 line. If that namespace is intended to be general-purpose for VM-level features, it would be a good host for this API. Something like... ``` class << RubyVM def vm_args; end # returns array of command line args *not* passed to the target script def script; end # returns the script being executed...though this overlaps with $0 def script_args; end # returns args passed to the script...though this overlaps with ARGV, but that is perhaps warranted since ARGV can be modified (i.e. you probably want the original args) end ``` -- https://bugs.ruby-lang.org/

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[ruby-core:117572] [Ruby master Misc#20435] DevMeeting-2024-06-13
by mame (Yusuke Endoh) 04 Jun '24

04 Jun '24

Issue #20435 has been reported by mame (Yusuke Endoh). ---------------------------------------- Misc #20435: DevMeeting-2024-06-13 https://bugs.ruby-lang.org/issues/20435 * Author: mame (Yusuke Endoh) * Status: Open ---------------------------------------- # The next dev meeting **Date: 2024/06/13 13:00-17:00** (JST) Log: *TBD* - Dev meeting *IS NOT* a decision-making place. All decisions should be done at the bug tracker. - Dev meeting is a place we can ask Matz, nobu, nurse and other developers directly. - Matz is a very busy person. Take this opportunity to ask him. If you can not attend, other attendees can ask instead of you (if attendees can understand your issue). - We will write a record of the discussion in the file or to each ticket in English. - All activities are best-effort (keep in mind that most of us are volunteer developers). - The date, time and place of the meeting are scheduled according to when/where we can reserve Matz's time. - *DO NOT* discuss then on this ticket, please. # Call for agenda items If you have a ticket that you want matz and committers to discuss, please post it into this ticket in the following format: ``` * [Ticket ref] Ticket title (your name) * Comment (A summary of the ticket, why you put this ticket here, what point should be discussed, etc.) ``` Example: ``` * [Feature #14609] `Kernel#p` without args shows the receiver (ko1) * I feel this feature is very useful and some people say :+1: so let discuss this feature. ``` - It is recommended to add a comment by 2024/06/10. We hold a preparatory meeting to create an agenda a few days before the dev-meeting. - The format is strict. We'll use [this script to automatically create an markdown-style agenda](https://gist.github.com/mame/b0390509ce1491b43610b9ebb665eb86). We may ignore a comment that does not follow the format. - Your comment is mandatory. We cannot read all discussion of the ticket in a limited time. We appreciate it if you could write a short summary and update from a previous discussion. -- https://bugs.ruby-lang.org/

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[ruby-core:118142] [Ruby master Bug#20518] Escaped-newline in %W
by akr (Akira Tanaka) 03 Jun '24

03 Jun '24

Issue #20518 has been reported by akr (Akira Tanaka). ---------------------------------------- Bug #20518: Escaped-newline in %W https://bugs.ruby-lang.org/issues/20518 * Author: akr (Akira Tanaka) * Status: Open * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- I found an escaped-newline in %W literal is interpreted as a newline character. ``` % ./ruby -e ' p %W[a\ b]' ["a\nb"] ``` I expected it to be interpreted as a line continuation but actually not. I'm considering to describe `\<newline>` as a kind of escape sequence in the document. (Related to https://bugs.ruby-lang.org/issues/20503#note-4 ) Unfortunately, this behavior contradicts: `\<newline>` doesn't behave as usual escape sequences. Note that %W is interpolable string-array literal. https://docs.ruby-lang.org/en/master/syntax/literals_rdoc.html#label-25w+an… "interpolable" means that interpolation and escape sequences are enabled. Other escape sequences and interpolation work well. ``` % ./ruby -e ' p %W[a\ b c\x21d e#{6*7}f]' ["a\nb", "c!d", "e42f"] ``` `\x21` is interpreted as "!" and `#{6*7}` is iterpreted as "42". It is the usual interpretation of escape sequences and interpolation. But `\<newline>` is interpreted as "\n". It is not the usual interpretation of escape sequences (line continuation). It is interpreted as a line continuation in a double-quoted string: ``` % ./ruby -e ' p %Q[a\ b c\x21d e#{6*7}f]' "ab c!d e42f" ``` `\<newline>` is interpreted as empty (line continuation) as expected. `\x21` is interpreted as "!" and `#{6*7}` is interpreted as "42". I found this behavior changed between Ruby 1.8.0 and 1.8.1. Ruby 1.8.0 interprets `\<newline>` as line continuation. ``` % ruby-1.8.0 -e ' p %W[a\ b c\x21d e#{6*7}f]' ["ab", "c!d", "e42f"] % ruby-1.8.1 -e ' p %W[a\ b c\x21d e#{6*7}f]' ["a\nb", "c!d", "e42f"] ``` I think this is the commit to change the behavior. ``` commit e168b64b03403fb4efbd8dcbbdaeed83710b4d39 0d1896a88fe091000ce0d9c8ef3cf7ef1e2e991b Author: Nobuyoshi Nakada <nobu(a)ruby-lang.org> Date: 2003-09-04 14:59:43 +0000 * parse.y (tokadd_string): newlines have no special meanings in %w/%W, otherwise they are ignored only when interpolation is enabled. [ruby-dev:21325] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e ``` I read the discussion from [ruby-dev:21325]. https://public-inbox.org/ruby-dev/5FD2F0CF7F5D7F44B00F36870B9E78B508DE5071@… It discusses about %w. %W is not considered well. The behavior of %w is also changed between Ruby 1.8.0 and 1.8.1. ``` % ruby-1.8.0 -e ' p %w[a\ b c\x21d e#{6*7}f]' ["ab", "c\\x21d", "e#{6*7}f"] % ruby-1.8.1 -e ' p %w[a\ b c\x21d e#{6*7}f]' ["a\nb", "c\\x21d", "e#{6*7}f"] ``` I understand the intent of this behavior for %w: it makes it possible to include white spaces in the word. Without this behavior, there is no way to include a newline character in the word. But I don't understand the intent for %W. Including a newline character using `\n` is possible because escape sequences are enabled. ``` % ./ruby -v ruby 3.4.0dev (2024-05-25T10:15:25Z master 0bae2f0002) [x86_64-linux] ``` -- https://bugs.ruby-lang.org/

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[ruby-core:118148] [Ruby master Feature#6648] Provide a standard API for retrieving all command-line flags passed to Ruby
by Eregon (Benoit Daloze) 03 Jun '24

03 Jun '24

Issue #6648 has been updated by Eregon (Benoit Daloze). @Dan0042 I think it's everyone's understanding that `RbConfig.ruby` should always be the path of the currently-running ruby. In fact it is already the case e.g. on TruffleRuby. And I suspect it's also already the case on CRuby with `--enable-load-relative` (but it would be nice if someone can check, if it's not we should fix that). `cp /opt/ruby/3.2/bin/ruby rubyyyy` is simply unsupported on non-`--enable-load-relative` CRuby. Finding the path of the current executable is something that is not available on every platform yet it is supported on all major platforms. Given the existence of `RbConfig.ruby`, I think `RbConfig.ruby_args` is the best fit. (BTW there is `Process.argv0` which is about (Ruby) `ARGV[0]` and not (C) `argv[0]`, so it seems better to me to put the method somewhere else than `Process`, to avoid mixing levels there) ---------------------------------------- Feature #6648: Provide a standard API for retrieving all command-line flags passed to Ruby https://bugs.ruby-lang.org/issues/6648#change-108588 * Author: headius (Charles Nutter) * Status: Assigned * Assignee: matz (Yukihiro Matsumoto) ---------------------------------------- Currently there are no standard mechanisms to get the flags passed to the currently running Ruby implementation. The available mechanisms are not ideal: * Scanning globals and hoping they have not been tweaked to new settings * Using external wrappers to launch Ruby * ??? Inability to get the full set of command-line flags, including flags passed to the VM itself (and probably VM-specific) makes it impossible to launch subprocess Ruby instances with the same settings. A real world example of this is "((%bundle exec%))" when called with a command line that sets various flags, a la ((%jruby -Xsome.vm.setting --1.9 -S bundle exec%)). None of these flags can propagate to the subprocess, so odd behaviors result. The only option is to put the flags into an env var (((|JRUBY_OPTS|)) or ((|RUBYOPT|))) but this breaks the flow of calling a simple command line. JRuby provides mechanisms to get all its command line options, but they require calling Java APIs from Ruby's API set. Rubinius provides its own API for accessing comand-line options, but I do not know if it includes VM-level flags as well as standard Ruby flags. I know there is a (({RubyVM})) namespace in the 2.0 line. If that namespace is intended to be general-purpose for VM-level features, it would be a good host for this API. Something like... ``` class << RubyVM def vm_args; end # returns array of command line args *not* passed to the target script def script; end # returns the script being executed...though this overlaps with $0 def script_args; end # returns args passed to the script...though this overlaps with ARGV, but that is perhaps warranted since ARGV can be modified (i.e. you probably want the original args) end ``` -- https://bugs.ruby-lang.org/

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[ruby-core:117288] [Ruby master Misc#20387] Meta-ticket for ASAN support
by kjtsanaktsidis (KJ Tsanaktsidis) 02 Jun '24

02 Jun '24

Issue #20387 has been reported by kjtsanaktsidis (KJ Tsanaktsidis). ---------------------------------------- Misc #20387: Meta-ticket for ASAN support https://bugs.ruby-lang.org/issues/20387 * Author: kjtsanaktsidis (KJ Tsanaktsidis) * Status: Open * Assignee: kjtsanaktsidis (KJ Tsanaktsidis) ---------------------------------------- I was asked to provide a bit of information about the current status of ASAN in CRuby, so I thought I'd open this meta-ticket to track all of the work I've been performing on fixing up address sanitizer support. So far, I have fixed the following issues related to ASAN support: * https://bugs.ruby-lang.org/issues/20001 + https://github.com/ruby/ruby/pull/9505, which dealt with two main themes: - Pushing the logic for capturing the start of the machine stack much closer to the top of the call stack, so that VALUEs stored close to the top of the machine stack get marked properly - Marking VALUEs stored on ASAN fake stacks during machine stack marking * https://bugs.ruby-lang.org/issues/20220 + https://github.com/ruby/ruby/pull/9734, which made M:N threading notify ASAN about stack switches in the same way that fibers do - Note: ASAN still doesn't work with M:N threading, but that actually has nothing to do with ASAN; it's because the most recent versions of Clang which are needed for ASAN just don't work with M:N threading either. See https://bugs.ruby-lang.org/issues/20243 for more info about that. * https://bugs.ruby-lang.org/issues/20273 + https://github.com/ruby/ruby/pull/10012, which disables `callcc` (and the associated tests) when ASAN is enabled - callcc is very rarely used in real code and the way it works is just fundamentally incompatible with ASAN (it performs longjmp's which I think are technically undefined behaviour) * https://bugs.ruby-lang.org/issues/20221 + https://github.com/ruby/ruby/pull/9865, which ignore some global symbols that ASAN defines from the global symbol leak checker * https://bugs.ruby-lang.org/issues/20274 + https://github.com/ruby/ruby/pull/10087, which ignores some false positive tests about memory leaks when ASAN is enabl * I updated the ASAN docs in https://github.com/ruby/ruby/pull/9922 to more closely reflect current reality The current state of things is that, by following the instructions in https://github.com/ruby/ruby/blob/master/doc/contributing/building_ruby.md, you can successfully build Ruby with ASAN enabled, however, the test suite has several failures. I'm currently working on addressing these: The next step is to merge https://github.com/ruby/ruby/pull/10122 (https://bugs.ruby-lang.org/issues/20310) which I plan to do next week (I'm currently away on a work trip). That makes sure that VALUEs stored in ASAN fake stacks from threads other than the currently running thread get marked during GC. After that, I need to push up patches for the remaining few issues. I mostly have these patches ready to go already; in fact, last week I got the full `make check` suite passing all tests with ASAN enabled! Once that's working, I'd like to investigate how ASAN can fit into CRuby's CI matrix somewhere so that it _stays_ working, although I have not thought too deeply about this yet. I will provide further updates on this ticket so anybody interested can stay in the loop. -- https://bugs.ruby-lang.org/

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[ruby-core:117727] [Ruby master Bug#20459] Ractor.select() deadlock?
by esad (Esad Hajdarevic) 01 Jun '24

01 Jun '24

Issue #20459 has been reported by esad (Esad Hajdarevic). ---------------------------------------- Bug #20459: Ractor.select() deadlock? https://bugs.ruby-lang.org/issues/20459 * Author: esad (Esad Hajdarevic) * Status: Open * ruby -v: ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [arm64-darwin20] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- When I run this script ``` echo = Ractor.new { Ractor.receive } Thread.new { puts Ractor.select(echo).inspect } sleep 0.1 echo.send "test" ``` the script never terminates. If I change thread body to ``` Thread.new { puts echo.take.inspect } ``` or introduce a small delay before #select like: ``` Thread.new { sleep 1; puts Ractor.select(echo).inspect } ``` then it works/terminates. -- https://bugs.ruby-lang.org/

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