Rintaro Ishizaki 1ac6afb3cf [CodeCompletion] Improve completion for Swift keypath expression ...

* Handle completion in 'parseExprKeyPath()' instead of
  'parseExprPostfixSuffix()'.
* Fix a crash for implicit type keypath. e.g. '\.path.<complete>'. (SR-8042).
* Use 'completeExprKeyPath()' callback.
* Implement completion without '.'. e.g. '\Ty.path<complete>'
* Improved handling for 'subscript' in completion.
* Improved handling for optional unwrapping in completion.

https://bugs.swift.org/browse/SR-8042
rdar://problem/41262612

2018-08-22 11:08:53 +09:00

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