fixed null pointer issues

[AlexHaxe]

No description provided.

[codecov]

Codecov Report

Merging #666 (ee638ff) into master (8328457) will decrease coverage by 0.17%.
The diff coverage is 71.15%.

@@            Coverage Diff             @@
##           master     #666      +/-   ##
==========================================
- Coverage   88.92%   88.75%   -0.17%     
==========================================
  Files          19       19              
  Lines        7442     7473      +31     
  Branches      317      328      +11     
==========================================
+ Hits         6618     6633      +15     
- Misses        507      512       +5     
- Partials      317      328      +11     

Impacted Files	Coverage Δ
src/formatter/marker/MarkEmptyLines.hx	94.16% <66.66%> (-0.24%)	⬇️
src/formatter/marker/wrapping/MarkWrappingBase.hx	76.45% <66.66%> (-0.72%)	⬇️
src/formatter/marker/wrapping/MarkWrapping.hx	93.11% <78.04%> (-0.56%)	⬇️
src/formatter/marker/MarkWhitespace.hx	94.92% <0.00%> (+0.14%)	⬆️

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