| Commit message (Collapse) | Author | Age | Files | Lines |
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llvm-svn: 344520
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Summary:
See tinyurl.com/clangd-automatic-index for design and goals.
Lots of limitations to keep this patch smallish, TODOs everywhere:
- no serialization to disk
- no changes to dynamic index, which now has a much simpler job
- no partitioning of symbols by file to avoid duplication of header symbols
- no reindexing of edited files
- only a single worker thread
- compilation database is slurped synchronously (doesn't scale)
- uses memindex, rebuilds after every file (should be dex, periodically)
It's not hooked up to ClangdServer/ClangdLSPServer yet: the layering
isn't clear (it should really be in ClangdServer, but ClangdLSPServer
has all the CDB interactions).
Reviewers: ioeric
Subscribers: mgorny, ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D53032
llvm-svn: 344513
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Summary:
Previously, SymbolCollector postfilters all references at the end to
find all references of interesting symbols.
It was incorrect when indxing main AST where we don't see locations
of symbol declarations and definitions in the main AST (as those are in
preamble AST).
The fix is to do earily check during collecting references.
Reviewers: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D53273
llvm-svn: 344507
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Reviewers: kadircet
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D53186
llvm-svn: 344330
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This patch moves the virtual file system form clang to llvm so it can be
used by more projects.
Concretely the patch:
- Moves VirtualFileSystem.{h|cpp} from clang/Basic to llvm/Support.
- Moves the corresponding unit test from clang to llvm.
- Moves the vfs namespace from clang::vfs to llvm::vfs.
- Formats the lines affected by this change, mostly this is the result of
the added llvm namespace.
RFC on the mailing list:
http://lists.llvm.org/pipermail/llvm-dev/2018-October/126657.html
Differential revision: https://reviews.llvm.org/D52783
llvm-svn: 344140
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llvm-svn: 344118
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Summary: Also change output of percent-encoding to use upper-case letters.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D53016
llvm-svn: 344033
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llvm-svn: 344030
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Summary: Also add a few new test cases and a special case into handling of empty fixit ranges that collides with location of a diag.
Reviewers: sammccall, ilya-biryukov
Reviewed By: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D52889
llvm-svn: 344025
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Summary: Main file can certainly change when reusing preamble.
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52991
llvm-svn: 344024
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llvm-svn: 343845
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Calling getMacroArgExpansionLocation too early was causing
Lexer::getRawToken to do the wrong thing - lexing the macro name instead
of the arg contents.
Differential Revision: https://reviews.llvm.org/D52928
llvm-svn: 343844
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Summary:
The bug being fixed: when a posting list doesn't exist in the index, it
was previously just dropped from the query rather than being treated as
empty. Now that we have the FALSE iterator, we can use it instead.
The query tree logic previously had a bunch of special cases to detect whether
subtrees are empty. Now we just naively build the whole tree, and rely
on the query optimizations to drop the trivial parts.
Finally, there was a bug in trigram generation: the empty query would
generate a single trigram "$$$" instead of no trigrams.
This had no effect (there was no posting list, so the other bug
cancelled it out). But we now have to fix this bug too.
Reviewers: ilya-biryukov
Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52796
llvm-svn: 343802
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llvm-svn: 343800
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llvm-svn: 343796
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llvm-svn: 343793
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Summary:
This allows inheriting from it, so index() can ga away and allowing
TestTU::index) to be fixed.
Reviewers: ioeric
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52250
llvm-svn: 343780
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Reviewers: ioeric
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52531
llvm-svn: 343778
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Summary:
Currently queries like "ab" can match identifiers like a_yellow_bee.
The value of allowing this for exactly one segment but no more seems dubious.
It costs ~3% of overall ram (~9% of posting list ram) and some quality.
Reviewers: ilya-biryukov, ioeric
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52885
llvm-svn: 343777
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Summary:
1) Instead of x$$ for a short-query trigram, just use x
2) Make rules more coherent: prefixes of length 1-2, and first char + next head
3) Fix Dex::fuzzyFind to mark results as incomplete, because
short-trigram rules only yield a subset of results.
Reviewers: ioeric
Subscribers: ilya-biryukov, jkorous, mgrang, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52808
llvm-svn: 343775
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Summary:
The FALSE iterator will be used in a followup patch to fix a logic bug in Dex
(currently, tokens that don't have posting lists in the index are simply dropped
from the query, changing semantics).
It can usually be optimized away, so added the following opmitizations:
- simplify booleans inside AND/OR
- replace effectively-empty AND/OR with booleans
- flatten nested AND/ORs
While working on this, found a bug in the AND iterator: its constructor sync()
assumes that ReachedEnd is set if applicable, but the constructor never sets it.
This crashes if a non-first iterator is nonempty.
Reviewers: ilya-biryukov
Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52789
llvm-svn: 343774
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Summary:
handleDeclOccurrencce reports a canonical declartion, so stick to use
canonical declarations to determine whether a declaration is in the
target set.
Also fix a previous ref test which misses a matched label (it fails without this
patch).
Reviewers: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52871
llvm-svn: 343763
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Reviewers: hokein
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52726
llvm-svn: 343760
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llvm-svn: 343637
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http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/20347/steps/test/logs/stdio
llvm-svn: 343623
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constant. NFC""
This reverts commit r343610.
llvm-svn: 343622
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constant. NFC"
Declaring a field with the same name as a type causes GCC to error out:
Dex.h:104:10: error: declaration of 'clang::clangd::dex::Corpus clang::clangd::dex::Dex::Corpus' [-fpermissive]
Corpus Corpus;
^
Iterator.h:127:7: error: changes meaning of 'Corpus' from 'class clang::clangd::dex::Corpus' [-fpermissive]
class Corpus {
llvm-svn: 343610
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Summary: Test for https://reviews.llvm.org/D52774.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52775
llvm-svn: 343593
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Summary:
- Corpus avoids having to pass size to the true iterator, and (soon) any
iterator that might optimize down to true.
- Shorten names of factory functions now they're scoped to the Corpus.
intersect() and unionOf() rather than createAnd() or createOr() as this
seems to read better to me, and fits with other short names. Opinion wanted!
- DEFAULT_BOOST_SCORE --> 1. This is a multiplier, don't obfuscate identity.
- Simplify variadic templates in Iterator.h
Reviewers: ioeric
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52711
llvm-svn: 343589
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Summary:
This makes it suitable for logging (which immediately found a bug, to
be fixed in the next patch...)
Reviewers: ioeric
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52715
llvm-svn: 343580
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Summary:
The file stats can be reused when preamble is reused (e.g. code
completion). It's safe to assume that cached status is not outdated as we
assume preamble files to remain unchanged.
On real file system, this made code completion ~20% faster on a measured file
(with big preamble). The preamble build time doesn't change much.
Reviewers: sammccall, ilya-biryukov
Reviewed By: sammccall
Subscribers: mgorny, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52419
llvm-svn: 343576
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Summary:
When no scope qualifier is specified, allow completing index symbols
from any scope and insert proper automatically. This is still experimental and
hidden behind a flag.
Things missing:
- Scope proximity based scoring.
- FuzzyFind supports weighted scopes.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: kbobyrev, ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52364
llvm-svn: 343248
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Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, ioeric, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D52547
llvm-svn: 343221
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Summary:
If we have some range information coming from clang diagnostic, promote
that one even if it doesn't contain diagnostic location inside.
Reviewers: sammccall, ioeric
Reviewed By: ioeric
Subscribers: ilya-biryukov, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D52544
llvm-svn: 343197
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Reviewers: kadircet, ioeric, sammccall
Reviewed By: kadircet
Subscribers: MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D52422
llvm-svn: 343066
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llvm-svn: 343039
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Summary:
Interface is in one file, implementation in two as they have little in common.
A couple of ad-hoc YAML functions left exposed:
- symbol -> YAML I expect to keep for tools like dexp
- YAML -> symbol is used for the MR-style indexer, I think we can eliminate
this (merge-on-the-fly, else use a different serialization)
Reviewers: kbobyrev
Subscribers: mgorny, ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52453
llvm-svn: 342999
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This patch implements Variable-length Byte compression of `PostingList`s
to sacrifice some performance for lower memory consumption.
`PostingList` compression and decompression was extensively tested using
fuzzer for multiple hours and runnning significant number of realistic
`FuzzyFindRequests`. AddressSanitizer and UndefinedBehaviorSanitizer
were used to ensure the correct behaviour.
Performance evaluation was conducted with recent LLVM symbol index (292k
symbols) and the collection of user-recorded queries (7751
`FuzzyFindRequest` JSON dumps):
| Metrics | Before| After | Change (%)
| ----- | ----- | ----- | -----
| Memory consumption (posting lists only), MB | 54.4 | 23.5 | -60%
| Time to process queries, sec | 7.70 | 9.4 | +25%
Reviewers: sammccall, ioeric
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D52300
llvm-svn: 342965
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Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52455
llvm-svn: 342961
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`FuzzyMatchQ` test was a duplicate of `FuzzyMatch` pulled from MemIndex
tests.
llvm-svn: 342957
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`Dex` should utilize `FuzzyFindRequest.RestrictForCodeCompletion` flags
and omit symbols not meant for code completion when asked for it.
The measurements below were conducted with setting
`FuzzyFindRequest.RestrictForCodeCompletion` to `true` (so that it's
more realistic). Sadly, the average latency goes down, I suspect that is
mostly because of the empty queries where the number of posting lists is
critical.
| Metrics | Before | After | Relative difference
| ----- | ----- | ----- | -----
| Cumulative query latency (7000 `FuzzyFindRequest`s over LLVM static index) | 6182735043 ns | 7202442053 ns | +16%
| Whole Index size | 81.24 MB | 81.79 MB | +0.6%
Out of 292252 symbols collected from LLVM codebase 136926 appear to be
restricted for code completion.
Reviewers: ioeric
Differential Revision: https://reviews.llvm.org/D52357
llvm-svn: 342866
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llvm-svn: 342730
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Summary:
Pros:
o Loading macros from preamble for every completion is slow (see profile).
o Calculating macro USR is also slow (see profile).
o Sema can provide a lot of macro completion results (e.g. when filter is empty,
60k for some large TUs!).
Cons:
o Slight memory increase in dynamic index (~1%).
o Some extra work during preamble build (should be fine as preamble build and
indexAST is way slower).
Before:
{F7195645}
After:
{F7195646}
Reviewers: ilya-biryukov, sammccall
Reviewed By: sammccall
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52078
llvm-svn: 342529
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It's already available in ParsedAST.
llvm-svn: 342473
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Summary:
FileIndex now provides explicit interfaces for preamble and main file updates.
This avoids growing parameter list when preamble and main symbols diverge
further (e.g. D52078). This also gets rid of the hack in `indexAST` that
inferred main file index based on `TopLevelDecls`.
Also separate `indexMainDecls` from `indexAST`.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52222
llvm-svn: 342460
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llvm-svn: 342267
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llvm-svn: 342261
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work.
Summary:
To stay fast, enable single-file-mode instead. This is fine since completions
in the preamble are simple.
The net effect for now is to suppress the spurious TopLevel completions when
completing inside the preamble.
Once Sema has include directive completion, this will be more important.
Reviewers: ilya-biryukov
Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D52071
llvm-svn: 342230
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This patch abstracts `PostingList` interface and reuses existing
implementation. It will be used later to test different `PostingList`
representations.
No functionality change is introduced, this patch is mostly refactoring
so that the following patches could focus on functionality while not
being too hard to review.
Reviewed By: sammccall, ioeric
Differential Revision: https://reviews.llvm.org/D51982
llvm-svn: 342155
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As discussed during D51860 review, it is better to use `llvm::Optional`
here as it has clear semantics which reflect intended behavior.
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D52028
llvm-svn: 342138
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