[clang][ExtractAPI] Add support for C++ variable templates

Serialize global C++ variable templates and specializations.

Depends on D157076

Reviewed By: dang

Differential Revision: https://reviews

[clang][ExtractAPI] Add support for C++ variable templates

Serialize global C++ variable templates and specializations.

Depends on D157076

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D157350

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[clang][ExtractAPI] Add support for C++ class templates and concepts

Add has_template template, DeclarationFragmentBuilder functions, and tests for class templates, specializations/partial specs, an

[clang][ExtractAPI] Add support for C++ class templates and concepts

Add has_template template, DeclarationFragmentBuilder functions, and tests for class templates, specializations/partial specs, and concepts.

Depends on D157007

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D157076

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[clang][ExtractAPI] Add support for C++ classes with fix

Reintroduce D153557 with fix for use-after-free from f4de606ef271 and minor changes.

Reviewed By: dang

Differential Revision: https://revie

[clang][ExtractAPI] Add support for C++ classes with fix

Reintroduce D153557 with fix for use-after-free from f4de606ef271 and minor changes.

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D157007

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Revert "[clang][ExtractAPI] Add support for C++ classes"

This reverts commit 8b76b44e46ac5b4efbf8cb3702f09d353af2a112.

fix use-after-free introduced in 8b76b44e46ac

ASan catches this easily enough.

[clang][ExtractAPI] Add support for C++ classes

Add ExtractAPI support C++ classes, fields, methods, and various qualifiers and specifiers

Differential Revision: https://reviews.llvm.org/D153557

[clang][ExtractAPI] Add semicolons to vars and fields and to test reference JSON

Differential Revision: https://reviews.llvm.org/D154038

[clang][ExtractAPI] Add semicolon to function declaration fragments

Add missing semicolon at the end of function declarations to fragments

Reviewed By: dang

Differential Revision: https://reviews.

[clang][ExtractAPI] Add semicolon to function declaration fragments

Add missing semicolon at the end of function declarations to fragments

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D149737

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[ExtractAPI] Remove extra attributes in property declaration fragments

Use `getPropertyAttributesAsWritten` instead of `getPropertyAttributes`
to get property attributes actually specified in the so

[ExtractAPI] Remove extra attributes in property declaration fragments

Use `getPropertyAttributesAsWritten` instead of `getPropertyAttributes`
to get property attributes actually specified in the source code.
Resolves issue #61478.

https://reviews.llvm.org/D146759

Reviewed By: zixuw, dang

Differential Revision: https://reviews.llvm.org/D146759

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[clang][ExtractAPI] Remove extra pointer indirection from declaration fragments for Obj-C lightweight generics on id

Fixes https://github.com/llvm/llvm-project/issues/61479

Reviewed By: dang

Diffe

[clang][ExtractAPI] Remove extra pointer indirection from declaration fragments for Obj-C lightweight generics on id

Fixes https://github.com/llvm/llvm-project/issues/61479

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D146866

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[clang][ExtractAPI] Reland ExtractAPI for libclang improvements

This relands the changes that were originally introduced by:
- https://reviews.llvm.org/D146656
- https://reviews.llvm.org/D147138

Th

[clang][ExtractAPI] Reland ExtractAPI for libclang improvements

This relands the changes that were originally introduced by:
- https://reviews.llvm.org/D146656
- https://reviews.llvm.org/D147138

This also fixes the leak that led to these changes being reverted

Differential Revision: https://reviews.llvm.org/D147234

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Revert "Revert "Revert ExtractAPI from https://reviews.llvm.org/D146656""

This reverts commit 79116475124112051625b1a0665e35c861bb13fd.

Broke the ASan bots. See more information in
https://reviews.

Revert "Revert "Revert ExtractAPI from https://reviews.llvm.org/D146656""

This reverts commit 79116475124112051625b1a0665e35c861bb13fd.

Broke the ASan bots. See more information in
https://reviews.llvm.org/rG79116475124112051625b1a0665e35c861bb13fd

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Revert "Revert ExtractAPI from https://reviews.llvm.org/D146656"

This reverts commit 158a431227a876306fe5838936413dd51588d0c6.

Revert ExtractAPI from https://reviews.llvm.org/D146656

[clang][ExtractAPI] Refactor ExtractAPIVisitor to make it more extensible

Use CRTP to enable creating statically dispatched subclasses of
ExtractAPIVisitor.
This enables adding extension points and

[clang][ExtractAPI] Refactor ExtractAPIVisitor to make it more extensible

Use CRTP to enable creating statically dispatched subclasses of
ExtractAPIVisitor.
This enables adding extension points and customising the behavior more
easily.

This is used in CXExtractAPI.cpp to create a specialized visitor for
Libclang as well as streamlining the batch implementation in ExtractAPIConsumer.cpp

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[clang][ExtractAPI]Fix Declaration fragments for instancetype in the type position degrade to id

Fixes https://github.com/llvm/llvm-project/issues/61481

Reviewed By: dang

Differential Revision: ht

[clang][ExtractAPI]Fix Declaration fragments for instancetype in the type position degrade to id

Fixes https://github.com/llvm/llvm-project/issues/61481

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D146671

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[clang][ExtractAPI] Add semicolons for enum, typedef, struct declaration fragments

Fixes https://github.com/llvm/llvm-project/issues/61480

Reviewed By: dang

Differential Revision: https://reviews.

[clang][ExtractAPI] Add semicolons for enum, typedef, struct declaration fragments

Fixes https://github.com/llvm/llvm-project/issues/61480

Reviewed By: dang

Differential Revision: https://reviews.llvm.org/D146354

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[clang][ExtractAPI] Add support for single symbol SGF and libclang support

This is mainly adding an entry point to `SymbolGraphSerializer` at
`serializeSingleSymbolSGF` and exposing the necessary da

[clang][ExtractAPI] Add support for single symbol SGF and libclang support

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`.

On the libclang side this 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.

Differential Revision: https://reviews.llvm.org/D139115

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[clang] LLVM_FALLTHROUGH => [[fallthrough]]. NFC

With C++17 there is no Clang pedantic warning or MSVC C5051.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D131346

[clang][ExtractAPI] Add a space between type and name in property declaration fragments

Differential Revision: https://reviews.llvm.org/D130583

[clang][ExtractAPI] Fix declaration fragments for ObjC methods

Objective-C methods selector parts should be considered as identifiers.

Depends on D123259

Differential Revision: https://reviews.llv

[clang][ExtractAPI] Fix declaration fragments for ObjC methods

Objective-C methods selector parts should be considered as identifiers.

Depends on D123259

Differential Revision: https://reviews.llvm.org/D123261

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[clang][ExtractAPI] Fix appendSpace in DeclarationFragments

There is a bug in `DeclarationFragments::appendSpace` where the space
character is added to a local copy of the last fragment.

Differenti

[clang][ExtractAPI] Fix appendSpace in DeclarationFragments

There is a bug in `DeclarationFragments::appendSpace` where the space
character is added to a local copy of the last fragment.

Differential Revision: https://reviews.llvm.org/D123259

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[clang][extract-api] Add Objective-C Category support

Add (partial) support for Objective-C category records in ExtractAPI.
The current ExtractAPI collects everything for an Objective-C category,
bu

[clang][extract-api] Add Objective-C Category support

Add (partial) support for Objective-C category records in ExtractAPI.
The current ExtractAPI collects everything for an Objective-C category,
but not fully serialized in the SymbolGraphSerializer. Categories
extending external interfaces are disgarded during serialization, and
categories extending known interfaces are merged (all members surfaced)
into the interfaces.

Differential Revision: https://reviews.llvm.org/D122774

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[clang][extract-api] Add support for typedefs

Typedef records consist of the symbol associated with the underlying
TypedefDecl and a SymbolReference to the underlying type. Additionally
typedefs for

[clang][extract-api] Add support for typedefs

Typedef records consist of the symbol associated with the underlying
TypedefDecl and a SymbolReference to the underlying type. Additionally
typedefs for anonymous TagTypes use the typedef'd name as the symbol
name in their respective records and USRs. As a result the declaration
fragments for the anonymous TagType are those for the associated
typedef. This means that when the user is defining a typedef to a
typedef to a anonymous type, we use a reference the anonymous TagType
itself and do not emit the typedef to the anonymous type in the
generated symbol graph, including in the type destination of further
typedef symbol records.

Differential Revision: https://reviews.llvm.org/D123019

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[clang][extract-api] Add support for macros

To achieve this we hook into the preprocessor during the
ExtractAPIAction and record definitions for macros that don't get
undefined during preprocessing.