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[Fix #11089] Fix an error for Style/RedundantStringEscape when using character literals (e.g. ?a) #11090

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merged 1 commit into from Oct 21, 2022

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@ydah ydah commented Oct 20, 2022

Fix: #11089


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@ydah ydah changed the title [Fix #11089] Fix an error for Style/RedundantStringEscape when use string literal ?a [Fix #11089] Fix an error for Style/RedundantStringEscape when use string literal specify one character after ? Oct 20, 2022
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ydah commented Oct 20, 2022

Thank you so much. I updated this PR.

@@ -279,6 +279,14 @@ def wrap(contents)
end
end

context 'when string literal specify one character after `?`' do
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I'd shorten this to "when using character literals (e.g. ?a)"

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Thank you so much. I updated this PR.

@ydah ydah changed the title [Fix #11089] Fix an error for Style/RedundantStringEscape when use string literal specify one character after ? [Fix #11089] Fix an error for Style/RedundantStringEscape when using character literals (e.g. ?a) Oct 20, 2022
@ydah ydah changed the title [Fix #11089] Fix an error for Style/RedundantStringEscape when using character literals (e.g. ?a) [Fix #11089] Fix an error for Style/RedundantStringEscape when using character literals (e.g. ?a) Oct 20, 2022
@koic koic merged commit cf925d7 into rubocop:master Oct 21, 2022
@ydah ydah deleted the fix/11089 branch October 21, 2022 04:26
koic added a commit to koic/rubocop that referenced this pull request Oct 21, 2022
This PR fixes the following error for `Style/RedundantStringEscape` cop
when using `?\n` string character literal.

```console
% cat example.rb
?\n

% bundle exec rubocop --only Style/RedundantStringEscape -d
(snip)

An error occurred while Style/RedundantStringEscape cop was inspecting /Users/koic/src/github.com/koic/rubocop-issues/11090/example.rb:1:0.
undefined method `source' for nil:NilClass

          delimiters = [node.loc.begin.source[-1], node.loc.end.source[0]]
                                                               ^^^^^^^
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:162:in `delimiter?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:110:in `single_quoted?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:103:in `interpolation_not_enabled?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:85:in `allowed_escape?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:51:in `block in on_str'
```

Similar case to rubocop#11089, but not resolved by rubocop#11090.
It also removes a bit of unnecessary implementation logic I found.
bbatsov pushed a commit that referenced this pull request Oct 21, 2022
This PR fixes the following error for `Style/RedundantStringEscape` cop
when using `?\n` string character literal.

```console
% cat example.rb
?\n

% bundle exec rubocop --only Style/RedundantStringEscape -d
(snip)

An error occurred while Style/RedundantStringEscape cop was inspecting /Users/koic/src/github.com/koic/rubocop-issues/11090/example.rb:1:0.
undefined method `source' for nil:NilClass

          delimiters = [node.loc.begin.source[-1], node.loc.end.source[0]]
                                                               ^^^^^^^
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:162:in `delimiter?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:110:in `single_quoted?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:103:in `interpolation_not_enabled?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:85:in `allowed_escape?'
/Users/koic/src/github.com/rubocop/rubocop/lib/rubocop/cop/style/redundant_string_escape.rb:51:in `block in on_str'
```

Similar case to #11089, but not resolved by #11090.
It also removes a bit of unnecessary implementation logic I found.
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Style/RedundantStringEscape cop is crashing on some rare inputs
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