[PATCH] D134303: [AST] Preserve more structure in UsingEnumDecl node.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added reviewers: ilya-biryukov, urnathan.
Herald added subscribers: kadircet, arphaman, martong.
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sammccall requested review of this revision.
Herald added projects: clang, clang-tools-extra.
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- store NestedNameSpecifier & Loc for the qualifiers This information was entirely missing from the AST.
- expose the location information for enum/qualifier/identifier as typeloc (ElaboratedTypeLoc+EnumTypeLoc for now). This allows many traversals/astmatchers etc to handle these generically along with other references. The decl vs type split can help preserve typedef sugar when https://github.com/llvm/llvm-project/issues/57659 is resolved.
- fix the SourceRange of UsingEnumDecl to include 'using'.

Fixes https://github.com/clangd/clangd/issues/1283


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134303

Files:
  clang-tools-extra/clangd/FindTarget.cpp
  clang-tools-extra/clangd/unittests/FindTargetTests.cpp
  clang-tools-extra/clangd/unittests/SelectionTests.cpp
  clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp
  clang/include/clang/AST/DeclCXX.h
  clang/include/clang/AST/RecursiveASTVisitor.h
  clang/include/clang/Sema/Sema.h
  clang/lib/AST/ASTImporter.cpp
  clang/lib/AST/DeclCXX.cpp
  clang/lib/Sema/SemaDeclCXX.cpp
  clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
  clang/lib/Serialization/ASTReaderDecl.cpp
  clang/lib/Serialization/ASTWriterDecl.cpp
  clang/test/AST/ast-dump-using-enum.cpp
  clang/unittests/Tooling/RecursiveASTVisitorTestTypeLocVisitor.cpp

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