[PATCH] D40182: [clangd] Add parsing and value inspection to JSONExpr.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
Herald added a subscriber: ilya-biryukov.

This will replace the places where we're using YAMLParser to parse JSON now:

- the new marshalling code (T::parse()) should handle fewer cases and require fewer explicit casts
- we'll early-reject invalid JSON that YAMLParser accepts
- we'll be able to fix protocol-parsing bugs caused by the fact that YAML can only parse forward

I plan to do the conversion as soon as this lands, but I don't want it in one
patch as the protocol.cpp changes are conflict-prone.


https://reviews.llvm.org/D40182

Files:
  clangd/JSONExpr.cpp
  clangd/JSONExpr.h
  unittests/clangd/JSONExprTests.cpp

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