Consider this code
$ cat safe_navigation-1.76.0.rb foo = "foo" bar = foo ? foo[0..1] : nil
$ cat Gemfile
# frozen_string_literal: true
source "https://rubygems.org"
gem "rubocop", "~> 1.76"
$ cat Gemfile.lock
GEM
remote: https://rubygems.org/
specs:
ast (2.4.3)
json (2.12.2)
language_server-protocol (3.17.0.5)
lint_roller (1.1.0)
parallel (1.27.0)
parser (3.3.8.0)
ast (~> 2.4.1)
racc
prism (1.4.0)
racc (1.8.1)
rainbow (3.1.1)
regexp_parser (2.10.0)
rubocop (1.76.0)
json (~> 2.3)
language_server-protocol (~> 3.17.0.2)
lint_roller (~> 1.1.0)
parallel (~> 1.10)
parser (>= 3.3.0.2)
rainbow (>= 2.2.2, < 4.0)
regexp_parser (>= 2.9.3, < 3.0)
rubocop-ast (>= 1.45.0, < 2.0)
ruby-progressbar (~> 1.7)
unicode-display_width (>= 2.4.0, < 4.0)
rubocop-ast (1.45.0)
parser (>= 3.3.7.2)
prism (~> 1.4)
ruby-progressbar (1.13.0)
unicode-display_width (3.1.4)
unicode-emoji (~> 4.0, >= 4.0.4)
unicode-emoji (4.0.4)
PLATFORMS
ruby
DEPENDENCIES
rubocop (~> 1.76)
BUNDLED WITH
2.6.8
$ bundle exec rubocop --debug --only Style/SafeNavigation safe_navigation-1.76.0.rb For /Users/dentarg/code/rubocop-testing/SafeNavigation: Default configuration from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/config/default.yml Use parallel by default. Skipping parallel inspection: only a single file needs inspection Inspecting 1 file Scanning /Users/dentarg/code/rubocop-testing/SafeNavigation/safe_navigation-1.76.0.rb An error occurred while Style/SafeNavigation cop was inspecting /Users/dentarg/code/rubocop-testing/SafeNavigation/safe_navigation-1.76.0.rb:2:6. /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/corrector.rb:111:in 'RuboCop::Cop::Corrector#to_range': Expected a Parser::Source::Range, Comment or RuboCop::AST::Node, got NilClass (TypeError) from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/corrector.rb:120:in 'RuboCop::Cop::Corrector#check_range_validity' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/parser-3.3.8.0/lib/parser/source/tree_rewriter.rb:398:in 'Parser::Source::TreeRewriter#combine' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/parser-3.3.8.0/lib/parser/source/tree_rewriter.rb:207:in 'Parser::Source::TreeRewriter#wrap' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/parser-3.3.8.0/lib/parser/source/tree_rewriter.rb:231:in 'Parser::Source::TreeRewriter#insert_before' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/style/safe_navigation.rb:153:in 'block in RuboCop::Cop::Style::SafeNavigation#on_if' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/style/safe_navigation.rb:193:in 'block in RuboCop::Cop::Style::SafeNavigation#report_offense' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/base.rb:426:in 'RuboCop::Cop::Base#correct' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/base.rb:210:in 'RuboCop::Cop::Base#add_offense' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/style/safe_navigation.rb:185:in 'RuboCop::Cop::Style::SafeNavigation#report_offense' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/style/safe_navigation.rb:152:in 'RuboCop::Cop::Style::SafeNavigation#on_if' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:107:in 'Kernel#public_send' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:107:in 'block (2 levels) in RuboCop::Cop::Commissioner#trigger_responding_cops' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:171:in 'RuboCop::Cop::Commissioner#with_cop_error_handling' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:106:in 'block in RuboCop::Cop::Commissioner#trigger_responding_cops' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:105:in 'Array#each' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:105:in 'RuboCop::Cop::Commissioner#trigger_responding_cops' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:69:in 'RuboCop::Cop::Commissioner#on_if' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-ast-1.45.0/lib/rubocop/ast/traversal.rb:144:in 'RuboCop::AST::Traversal#on_lvasgn' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:71:in 'RuboCop::Cop::Commissioner#on_lvasgn' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-ast-1.45.0/lib/rubocop/ast/traversal.rb:146:in 'block in RuboCop::AST::Traversal#on_dstr' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-ast-1.45.0/lib/rubocop/ast/traversal.rb:146:in 'Array#each' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-ast-1.45.0/lib/rubocop/ast/traversal.rb:146:in 'RuboCop::AST::Traversal#on_dstr' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:71:in 'RuboCop::Cop::Commissioner#on_begin' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-ast-1.45.0/lib/rubocop/ast/traversal.rb:20:in 'RuboCop::AST::Traversal#walk' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/commissioner.rb:87:in 'RuboCop::Cop::Commissioner#investigate' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/team.rb:174:in 'RuboCop::Cop::Team#investigate_partial' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cop/team.rb:108:in 'RuboCop::Cop::Team#investigate' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:348:in 'block in RuboCop::Runner#inspect_file' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:347:in 'Array#each' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:347:in 'Enumerable#flat_map' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:347:in 'RuboCop::Runner#inspect_file' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:290:in 'block in RuboCop::Runner#do_inspection_loop' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:324:in 'block in RuboCop::Runner#iterate_until_no_changes' from <internal:kernel>:168:in 'Kernel#loop' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:317:in 'RuboCop::Runner#iterate_until_no_changes' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:286:in 'RuboCop::Runner#do_inspection_loop' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:167:in 'block in RuboCop::Runner#file_offenses' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:192:in 'RuboCop::Runner#file_offense_cache' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:166:in 'RuboCop::Runner#file_offenses' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:154:in 'RuboCop::Runner#process_file' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:135:in 'block in RuboCop::Runner#each_inspected_file' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:134:in 'Array#each' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:134:in 'Enumerable#reduce' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:134:in 'RuboCop::Runner#each_inspected_file' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:120:in 'RuboCop::Runner#inspect_files' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/runner.rb:73:in 'RuboCop::Runner#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/command/execute_runner.rb:26:in 'block in RuboCop::CLI::Command::ExecuteRunner#execute_runner' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/command/execute_runner.rb:52:in 'RuboCop::CLI::Command::ExecuteRunner#with_redirect' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/command/execute_runner.rb:25:in 'RuboCop::CLI::Command::ExecuteRunner#execute_runner' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/command/execute_runner.rb:17:in 'RuboCop::CLI::Command::ExecuteRunner#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/command.rb:11:in 'RuboCop::CLI::Command.run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli/environment.rb:18:in 'RuboCop::CLI::Environment#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli.rb:122:in 'RuboCop::CLI#run_command' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli.rb:129:in 'RuboCop::CLI#execute_runners' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli.rb:51:in 'block in RuboCop::CLI#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli.rb:81:in 'RuboCop::CLI#profile_if_needed' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/lib/rubocop/cli.rb:43:in 'RuboCop::CLI#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/exe/rubocop:19:in '<top (required)>' from /Users/dentarg/.arm64_rubies/3.4.3/bin/rubocop:25:in 'Kernel#load' from /Users/dentarg/.arm64_rubies/3.4.3/bin/rubocop:25:in '<top (required)>' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli/exec.rb:59:in 'Kernel.load' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli/exec.rb:59:in 'Bundler::CLI::Exec#kernel_load' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli/exec.rb:23:in 'Bundler::CLI::Exec#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli.rb:452:in 'Bundler::CLI#exec' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/vendor/thor/lib/thor/command.rb:28:in 'Bundler::Thor::Command#run' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in 'Bundler::Thor::Invocation#invoke_command' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/vendor/thor/lib/thor.rb:538:in 'Bundler::Thor.dispatch' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli.rb:35:in 'Bundler::CLI.dispatch' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/vendor/thor/lib/thor/base.rb:584:in 'Bundler::Thor::Base::ClassMethods#start' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/cli.rb:29:in 'Bundler::CLI.start' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/bundler-2.6.8/exe/bundle:28:in 'block in <top (required)>' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/site_ruby/3.4.0/bundler/friendly_errors.rb:117:in 'Bundler.with_friendly_errors' from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/bundler-2.6.8/exe/bundle:20:in '<top (required)>' from /Users/dentarg/.arm64_rubies/3.4.3/bin/bundle:25:in 'Kernel#load' from /Users/dentarg/.arm64_rubies/3.4.3/bin/bundle:25:in '<main>' . 1 file inspected, no offenses detected 1 error occurred: An error occurred while Style/SafeNavigation cop was inspecting /Users/dentarg/code/rubocop-testing/SafeNavigation/safe_navigation-1.76.0.rb:2:6. configuration from /Users/dentarg/.arm64_rubies/3.4.3/lib/ruby/gems/3.4.0/gems/rubocop-1.76.0/config/default.yml Errors are usually caused by RuboCop bugs. Please, update to the latest RuboCop version if not already in use, and report a bug if the issue still occurs on this version. https://github.com/rubocop/rubocop/issues Mention the following information in the issue report: 1.76.0 (using Parser 3.3.8.0, Prism 1.4.0, default, rubocop-ast 1.45.0, analyzing as Ruby 3.4, running on ruby 3.4.3) [arm64-darwin23] Finished in 0.07380400015972555 seconds
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