[PATCH] D148457: [clangd] Support macro evaluation on hover

[Younan Zhang via Phabricator via cfe-commits]

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~~Fix tests on Windows~~


zyounan added a comment.

unsigned long isn't 8 bytes on windows


zyounan added a comment.

Do not validate type of builtin operators


Creating a SelectionTree at the location where macro expands allows
us to obtain the associated expression, which might then be used to
evaluate compile-time values if possible.

Closes clangd/clangd#1595.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148457

Files:
  clang-tools-extra/clangd/Hover.cpp
  clang-tools-extra/clangd/unittests/HoverTests.cpp

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