Style/OperatorMethodCall error on redundant dot in method call

[jcsjcs]

Rubocop raises an error when it encounters a redundant dot offense inside a method call:

methodname(arg./100.0) # <= error
arg./100.0             # <= correctly reported as offense

---

Expected behavior

C: [Correctable] Style/OperatorMethodCall: Redundant dot detected.

Actual behavior

An error occurred while Style/OperatorMethodCall cop was inspecting
`Scanning /home/james/ra/crossbeams/framework/test_rubo.rb
An error occurred while Style/OperatorMethodCall cop was inspecting /home/james/ra/crossbeams/framework/test_rubo.rb:1:11.
Expected a Parser::Source::Range, Comment or RuboCop::AST::Node, got NilClass
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/corrector.rb:111:in `to_range'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/corrector.rb:120:in `check_range_validity'
/home/james/.gem/ruby/3.1.2/gems/parser-3.2.2.3/lib/parser/source/tree_rewriter.rb:398:in `combine'
/home/james/.gem/ruby/3.1.2/gems/parser-3.2.2.3/lib/parser/source/tree_rewriter.rb:194:in `replace'
/home/james/.gem/ruby/3.1.2/gems/parser-3.2.2.3/lib/parser/source/tree_rewriter.rb:218:in `remove'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/correctors/parentheses_corrector.rb:13:in `correct'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/style/operator_method_call.rb:60:in `wrap_in_parentheses_if_chained'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/style/operator_method_call.rb:34:in `block in on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/base.rb:377:in `correct'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/base.rb:181:in `add_offense'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/style/operator_method_call.rb:33:in `on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:143:in `public_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:143:in `block (2 levels) in trigger_restricted_cops'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:171:in `with_cop_error_handling'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:142:in `block in trigger_restricted_cops'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:141:in `each'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:141:in `trigger_restricted_cops'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:70:in `on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:159:in `block in on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:156:in `each'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:156:in `each_with_index'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:156:in `on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:71:in `on_send'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:137:in `block in on_dstr'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:137:in `each'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:137:in `on_dstr'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:71:in `on_begin'
/home/james/.gem/ruby/3.1.2/gems/rubocop-ast-1.29.0/lib/rubocop/ast/traversal.rb:20:in `walk'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/commissioner.rb:87:in `investigate'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/team.rb:156:in `investigate_partial'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cop/team.rb:98:in `investigate'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:345:in `block in inspect_file'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:344:in `each'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:344:in `flat_map'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:344:in `inspect_file'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:287:in `block in do_inspection_loop'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:321:in `block in iterate_until_no_changes'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:314:in `loop'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:314:in `iterate_until_no_changes'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:283:in `do_inspection_loop'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:164:in `block in file_offenses'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:189:in `file_offense_cache'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:163:in `file_offenses'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:154:in `process_file'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:135:in `block in each_inspected_file'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:134:in `each'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:134:in `reduce'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:134:in `each_inspected_file'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:120:in `inspect_files'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/runner.rb:73:in `run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/command/execute_runner.rb:26:in `block in execute_runner'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/command/execute_runner.rb:52:in `with_redirect'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/command/execute_runner.rb:25:in `execute_runner'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/command/execute_runner.rb:17:in `run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/command.rb:11:in `run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli/environment.rb:18:in `run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli.rb:118:in `run_command'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli.rb:125:in `execute_runners'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli.rb:51:in `block in run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli.rb:77:in `profile_if_needed'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/lib/rubocop/cli.rb:43:in `run'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/exe/rubocop:19:in `block in <top (required)>'
/home/james/.rubies/ruby-3.1.2/lib/ruby/3.1.0/benchmark.rb:311:in `realtime'
/home/james/.gem/ruby/3.1.2/gems/rubocop-1.56.2/exe/rubocop:19:in `<top (required)>'
/home/james/.gem/ruby/3.1.2/bin/rubocop:25:in `load'
/home/james/.gem/ruby/3.1.2/bin/rubocop:25:in `<top (required)>'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli/exec.rb:58:in `load'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli/exec.rb:58:in `kernel_load'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli/exec.rb:23:in `run'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli.rb:486:in `exec'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli.rb:31:in `dispatch'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/cli.rb:25:in `start'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/exe/bundle:48:in `block in <top (required)>'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/lib/bundler/friendly_errors.rb:120:in `with_friendly_errors'
/home/james/.gem/ruby/3.1.2/gems/bundler-2.3.24/exe/bundle:36:in `<top (required)>'
/home/james/.gem/ruby/3.1.2/bin/bundle:25:in `load'
/home/james/.gem/ruby/3.1.2/bin/bundle:25:in `<main>'
C

Offenses:

test_rubo.rb:2:4: C: [Correctable] Style/OperatorMethodCall: Redundant dot detected.
arg./100.0
   ^

1 file inspected, 1 offense detected, 1 offense autocorrectable

1 error occurred:
An error occurred while Style/OperatorMethodCall cop was inspecting /home/james/ra/crossbeams/framework/test_rubo.rb:1:11.
Errors are usually caused by RuboCop bugs.
Please, report your problems to RuboCop's issue tracker.
https://github.com/rubocop/rubocop/issues

Mention the following information in the issue report:
1.56.2 (using Parser 3.2.2.3, rubocop-ast 1.29.0, running on ruby 3.1.2) [x86_64-linux]
Finished in 0.1355880319897551 seconds

Steps to reproduce the problem

> cat test_rubo.rb 
methodname(arg./100.0)
arg./100.0

> bundle exec rubocop -d test_rubo.rb

RuboCop version

1.56.2 (using Parser 3.2.2.3, rubocop-ast 1.29.0, running on ruby 3.1.2) [x86_64-linux]

[koic]

Thank you for the feedback! I opened #12207 to solve the error.

arg./100.0 # <= correctly reported as offense

And I opened #12206 because this causes Lint/Syntax by autocorrection.