Summary:
This builds on the relations support added in D59407, D62459,
and D62471 to expose relations in SymbolIndex and its
implementations.
Reviewers: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62839
llvm-svn: 363481
to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
Currently, `SymbolIndex::estimateMemoryUsage()` returns the "overhead"
estimate, i.e. the estimate of the Index data structure excluding
backing data (such as Symbol Slab and Reference Slab). This patch
propagates information about paired data size where necessary.
Reviewed By: ioeric, sammccall
Differential Revision: https://reviews.llvm.org/D51539
llvm-svn: 341800
Summary:
A few things that I noticed while merging the SwapIndex patch:
- SymbolOccurrences and particularly SymbolOccurrenceSlab are unwieldy names,
and these names appear *a lot*. Ref, RefSlab, etc seem clear enough
and read/format much better.
- The asymmetry between SymbolSlab and RefSlab (build() vs freeze()) is
confusing and irritating, and doesn't even save much code.
Avoiding RefSlab::Builder was my idea, but it was a bad one; add it.
- DenseMap<SymbolID, ArrayRef<Ref>> seems like a reasonable compromise for
constructing MemIndex - and means many less wasted allocations than the
current DenseMap<SymbolID, vector<Ref*>> for FileIndex, and none for
slabs.
- RefSlab::find() is not actually used for anything, so we can throw
away the DenseMap and keep the representation much more compact.
- A few naming/consistency fixes: e.g. Slabs,Refs -> Symbols,Refs.
Reviewers: ioeric
Subscribers: ilya-biryukov, MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D51605
llvm-svn: 341368
Summary:
This is now handled by a wrapper class SwapIndex, so MemIndex/DexIndex can be
immutable and focus on their job.
Old and busted:
I have a MemIndex, which holds a shared_ptr<vector<Symbol*>>, which keeps the
symbol slab alive. I update by calling build(shared_ptr<vector<Symbol*>>).
New hotness: I have a SwapIndex, which holds a unique_ptr<SymbolIndex>, which
holds a MemIndex, which holds a shared_ptr<void>, which keeps backing
data alive.
I update by building a new MemIndex and calling SwapIndex::reset().
Reviewers: kbobyrev, ioeric
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D51422
llvm-svn: 341318
This patch prints information about built index size estimation to
verbose logs. This is useful for optimizing memory usage of DexIndex and
comparisons with MemIndex.
Reviewed by: sammccall
Differential Revision: https://reviews.llvm.org/D51154
llvm-svn: 340601
This patch adds hidden Clangd flag ("use-dex-index") which replaces
(currently) default `MemIndex` with `DexIndex` for the static index.
Reviewed by: ioeric
Differential Revision: https://reviews.llvm.org/D50897
llvm-svn: 340262
Summary:
This is the first step of implementing Xrefs in clangd:
- add index interfaces, and related data structures.
Reviewers: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D49658
llvm-svn: 339011
Summary:
Potential use case: argument go-to-definition result with symbol
information (e.g. function definition in cc file) that might not be in the AST.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: klimek, ilya-biryukov, jkorous-apple, cfe-commits
Differential Revision: https://reviews.llvm.org/D44305
llvm-svn: 327487
Summary:
Instead of passing Context explicitly around, we now have a thread-local
Context object `Context::current()` which is an implicit argument to
every function.
Most manipulation of this should use the WithContextValue helper, which
augments the current Context to add a single KV pair, and restores the
old context on destruction.
Advantages are:
- less boilerplate in functions that just propagate contexts
- reading most code doesn't require understanding context at all, and
using context as values in fewer places still
- fewer options to pass the "wrong" context when it changes within a
scope (e.g. when using Span)
- contexts pass through interfaces we can't modify, such as VFS
- propagating contexts across threads was slightly tricky (e.g.
copy vs move, no move-init in lambdas), and is now encapsulated in
the threadpool
Disadvantages are all the usual TLS stuff - hidden magic, and
potential for higher memory usage on threads that don't use the
context. (In practice, it's just one pointer)
Reviewers: ilya-biryukov
Subscribers: klimek, jkorous-apple, ioeric, cfe-commits
Differential Revision: https://reviews.llvm.org/D42517
llvm-svn: 323872
Summary:
Use the YAML-format symbols (generated by the global-symbol-builder tool) to
do the global code completion.
It is **experimental** only , but it allows us to experience global code
completion on a relatively small project.
Tested with LLVM project.
Reviewers: sammccall, ioeric
Reviewed By: sammccall, ioeric
Subscribers: klimek, ilya-biryukov, cfe-commits
Differential Revision: https://reviews.llvm.org/D41668
llvm-svn: 322191
Summary:
o Index interfaces to support using different index sources (e.g. AST index, global index) for code completion, cross-reference finding etc. This patch focuses on code completion.
The following changes in the original patch has been split out.
o Implement an AST-based index.
o Add an option to replace sema code completion for qualified-id with index-based completion.
o Implement an initial naive code completion index which matches symbols that have the query string as substring.
Reviewers: malaperle, sammccall
Reviewed By: sammccall
Subscribers: hokein, klimek, malaperle, mgorny, ilya-biryukov, cfe-commits
Differential Revision: https://reviews.llvm.org/D40548
llvm-svn: 320688
Haojian Wu