[PATCH] D139115: [clang][ExtractAPI] Add support for single symbol SGF

[Daniel Grumberg via Phabricator via cfe-commits]

dang created this revision.
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This is mainly adding an entry point to `SymbolGraphSerializer` at
`serializeSingleSymbolSGF` and exposing the necessary data to make this
possible.  Additionaly there are some changes to how symbol kinds and
path components are serialized to make the usage more ergonomic in
`serializeSingleSymbolSGF`.

[clang][ExtractAPI] Add libclang support

Introduces APIs to:

- create an APISet from a TU
- dispose of an APISet
- query an APISet for a single symbol SGF for a given USR.
- generate a single symbol SGF for a given CXCursor, this only traverses

the necessary AST nodes to construct the result as oppposed as going
through the entire AST.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139115

Files:
  clang/include/clang-c/Documentation.h
  clang/include/clang/ExtractAPI/API.h
  clang/include/clang/ExtractAPI/DeclarationFragments.h
  clang/include/clang/ExtractAPI/ExtractAPIVisitor.h
  clang/include/clang/ExtractAPI/Serialization/SerializerBase.h
  clang/include/clang/ExtractAPI/Serialization/SymbolGraphSerializer.h
  clang/lib/ExtractAPI/API.cpp
  clang/lib/ExtractAPI/CMakeLists.txt
  clang/lib/ExtractAPI/DeclarationFragments.cpp
  clang/lib/ExtractAPI/ExtractAPIConsumer.cpp
  clang/lib/ExtractAPI/ExtractAPIVisitor.cpp
  clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
  clang/lib/ExtractAPI/TypedefUnderlyingTypeResolver.cpp
  clang/lib/ExtractAPI/TypedefUnderlyingTypeResolver.h
  clang/test/Index/extract-api-cursor.m
  clang/test/Index/extract-api-usr.m
  clang/tools/c-index-test/c-index-test.c
  clang/tools/libclang/CMakeLists.txt
  clang/tools/libclang/CXExtractAPI.cpp
  clang/tools/libclang/libclang.map

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