Commits on Oct 28, 2020

1. [Fix rubocop#8948] Fix autocorrection for Style/RedundantRegexpCharac… …

   …terClass with %r
   
   This commit uses `RegexpNode::RegexpParser#body` (rubocop#8960) instead of `Parser::Source::Range#adjust` in Style/RedundantRegexpCharacterClass.
   
   When regular expression are written by %r literal, RedundantRegexpCharacterClass made incorrect loc as following.
   ```
   %r{abc[\d]+}
       ^^^^^^
   ```
   
   This bug are caused by calling`node.loc.begin.adjust` to get range of character class with %r regexp.
   `Parser::Source::Range#adjust` adjust based on `Parser::Source::Range#begin_pos` but it with %r literal doesn't indicate start of regular expression source, point to location of '%'.
   So, RedundantRegexpCharacterClass makes incorrect loc if %r literal are used in code.
   
   ```
   r = %r{abc}
       ^      # `node.loc.begin.begin_pos`
   ```
   
   ```
   r = %r{abs}
          ^   # `node.loc.begin.end_pos`
   ```

   

   ysakasin committed Oct 28, 2020
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