Commit Graph

131 Commits

Author SHA1 Message Date
Kirill Bobyrev 7a514c9bf8
[clangd] Implement textDocument/foldingRange
Summary:
This patch introduces basic textDocument/foldingRange support. It relies on
textDocument/documentSymbols to collect all symbols and uses takes ranges
to create folds.

The next steps for textDocument/foldingRange support would be:

* Implementing FoldingRangeClientCapabilities and respecting respect client
  preferences
* Specifying folding range kind
* Migrating from DocumentSymbol implementation to custom RecursiveASTVisitor flow that will allow more flexibility
* Supporting more folding range types: comments, PP conditional regions, includes and other code regions (e.g. public/private/protected sections of classes, control flow statement bodies)

Tested: (Neo)Vim (coc-clangd) and VSCode.

Related issue: https://github.com/clangd/clangd/issues/310

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: nridge, ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D82436
2020-07-14 09:28:42 +02:00
Sam McCall 5fea54bc05 [clangd] Update semanticTokens support to reflect latest LSP draft
Summary: Mostly a few methods and message names have been renamed.

Reviewers: hokein

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D83556
2020-07-10 16:52:57 +02:00
Sam McCall a3a27a7aee [clangd] Render code complete documentation as plaintext/markdown.
Summary:
Structure is parsed from the raw comment using the existing heuristics used
for hover.

Reviewers: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D79157
2020-04-30 19:00:49 +02:00
Sam McCall 596b63ad40 [clangd] Rebuild dependent files when a header is saved.
Summary:
Caveats:
 - only works when the header is changed in the editor and the editor provides
   the notification
 - we revalidate preambles for all open files (stat all their headers) rather
   than taking advantage of the fact that we know which file changed.
   This is much simpler!

Fixes https://github.com/clangd/clangd/issues/107

Reviewers: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D77847
2020-04-13 22:08:15 +02:00
Sam McCall 31db1e0bd1 [clangd] Send the correct error code when cancelling requests.
Summary:
I couldn't quite bring myself to make Cancellation depend on LSP ErrorCode.
Magic numbers instead...

Reviewers: kadircet

Subscribers: ilya-biryukov, javed.absar, MaskRay, jkorous, arphaman, jfb, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D77947
2020-04-13 19:42:38 +02:00
Sam McCall 9e3063eace [clangd] Support textDocument/semanticTokens/edits
Summary:
This returns incremental highlights as a set of edits against the
previous highlights.

Server-side, we compute the full set of highlights, this just saves
wire-format size.

For now, the diff used is trivial: everything from the first change to
the last change is sent as a single edit.

The wire format is grungy - the replacement offset/length refer to
positions in the encoded array instead of the logical list of tokens.
We use token-oriented structs and translating to LSP forms when serializing.
This departs from LSP (but is consistent with semanticTokens today).

Tested in VSCode insiders (with a patched client to enable experimental
features).

Reviewers: hokein

Subscribers: ilya-biryukov, MaskRay, jkorous, mgrang, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D77225
2020-04-02 17:38:29 +02:00
Sam McCall fc830106e1 [clangd] Don't send semanticHighlights to clients that support semanticTokens.
Summary: This allows the standard mechanism to gracefully displace the old one.

Reviewers: hokein

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D77206
2020-04-02 17:38:02 +02:00
Sam McCall 71177ac168 [clangd] Support new semanticTokens request from LSP 3.16.
Summary:
This is a simpler request/response protocol.

Reference: https://github.com/microsoft/vscode-languageserver-node/blob/master/protocol/src/protocol.semanticTokens.proposed.ts

No attempt to support incremental formatting (yet).

Reviewers: hokein

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D76663
2020-03-31 15:14:35 +02:00
Sam McCall edf6a19adf [clangd] Rename theia-derived semantic highlighting protocol. NFC
This feature is being added to LSP with a different (request-response)
protocol in 3.16, so this should avoid some confusion.
2020-03-24 00:39:47 +01:00
Sam McCall 2cd33e6fe6 [clangd] Track document versions, include them with diags, enhance logs
Summary:
This ties to an LSP feature (diagnostic versioning) but really a lot
of the value is in being able to log what's happening with file versions
and queues more descriptively and clearly.

As such it's fairly invasive, for a logging patch :-\

Key decisions:
 - at the LSP layer, we don't reqire the client to provide versions (LSP
   makes it mandatory but we never enforced it). If not provided,
   versions start at 0 and increment. DraftStore handles this.
 - don't propagate magically using contexts, but rather manually:
   addDocument -> ParseInputs -> (ParsedAST, Preamble, various callbacks)
   Context-propagation would hide the versions from ClangdServer, which
   would make producing good log messages hard
 - within ClangdServer, treat versions as opaque and unordered.
   std::string is a convenient type for this, and allows richer versions
   for embedders. They're "mandatory" but "null" is a reasonable default.

Subscribers: ilya-biryukov, javed.absar, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D75582
2020-03-05 01:22:32 +01:00
Sam McCall caf5a4d57f [clangd] Propagate versions into DraftStore, assigning where missing. NFC
This prepares for propagating versions through the server so diagnostics
etc can be versioned.
2020-03-03 16:20:13 +01:00
Sam McCall 6525a6b7b2 [clangd] Use structured PublishDiagnosticsParams. NFC 2020-03-03 12:44:40 +01:00
Sam McCall 8a2d294ed0 [clangd] Handle `initialized` notification (no-op to suppress log message) 2020-03-03 12:12:30 +01:00
Kirill Bobyrev 2a095ff6f5
[clangd] Add add commit characters to the server capabilities
Summary:
Make it more convinient for the clients to select completion items by
providing a set of default characters (punctuation).

Related issue: https://github.com/clangd/clangd/issues/284

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D74606
2020-02-19 08:32:00 +01:00
Kirill Bobyrev ff7b5bac04
[clangd] Expose Code Completion score to the client
Summary:
Make it possible for the client to adjust the ranking by using the score Clangd
calculates for the completion items.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D74547
2020-02-13 15:05:18 +01:00
David Goldman 6ff0228c6d [clang] Add `forceReload` clangd extension to 'textDocument/didChange'
Summary:
- This option forces a preamble rebuild to handle the odd case
  of a missing header file being added

Reviewers: sammccall

Subscribers: ilya-biryukov, javed.absar, MaskRay, jkorous, arphaman, jfb, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D73916
2020-02-10 14:02:02 -05:00
Sam McCall 7d20e80225 [clangd] Show background index status using LSP 3.15 work-done progress notifications
Summary:
It simply shows the completed/total items on the background queue, e.g.
 indexing: 233/1000
The denominator is reset to zero every time the queue goes idle.

The protocol is fairly complicated here (requires creating a remote "progress"
resource before sending updates). We implement the full protocol, but I've added
an extension allowing it to be skipped to reduce the burden on clients - in
particular the lit test takes this shortcut.

The addition of background index progress to DiagnosticConsumer seems ridiculous
at first glance, but I believe that interface is trending in the direction of
"ClangdServer callbacks" anyway. It's due for a rename, but otherwise actually
fits.

Reviewers: kadircet, usaxena95

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, jfb, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D73218
2020-01-24 12:21:08 +01:00
Kazuaki Ishizaki b7ecf1c1c3 NFC: Fix trivial typos in comments 2020-01-04 10:28:41 -05:00
Sam McCall 8d7ecc1629 Revert "Revert "[clangd] Implement "textDocument/documentLink" protocol support""
This reverts commit 079ef783dd.

The revert describes a test failure without details, after offline
discussion this in in a private/unsupported build system and doesn't
seem to reflect a real upstream bug.
2020-01-02 16:36:21 +01:00
Dmitri Gribenko 079ef783dd Revert "[clangd] Implement "textDocument/documentLink" protocol support"
This reverts commit d6417f5584. The tests
depend on builtin headers, which is not intentionally supported in
clangd tests; these tests are broken in some build environments.
2019-12-16 15:21:51 +01:00
Michael Forster d6417f5584 [clangd] Implement "textDocument/documentLink" protocol support
Summary:
This adds an implementation for the "textDocument/documentLink" LSP request.

It returns links for all `#include` directives to the resolved target files.

Fixes https://github.com/clangd/clangd/issues/217.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D70872
2019-12-12 14:55:20 +01:00
Nathan Ridge b2e6c2b995 [clangd] Inactive regions support as an extension to semantic highlighting
Differential Revision: https://reviews.llvm.org/D67536
2019-11-21 19:40:55 -05:00
Utkarsh Saxena 55925da4c9 [clangd] Add semantic selection to ClangdLSPServer.
Summary:
This adds semantic selection to the LSP Server.
Adds support for serialization of input request and the output reply.
Also adds regression tests for the feature.

Currently we do not support multi cursor.The LSP Server only accepts single position in the request as opposed to many position in the spec.

Spec:
https://github.com/microsoft/language-server-protocol/blob/dbaeumer/3.15/specification.md#textDocument_selectionRange

Reviewers: hokein

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D67720

llvm-svn: 372753
2019-09-24 13:38:33 +00:00
Ilya Biryukov 886382ff07 [clangd] Initialize int field to zero. NFC
To make sure we do not have uninitialized values and undefined behavior.

llvm-svn: 371081
2019-09-05 15:30:05 +00:00
Haojian Wu f25163498b [clangd] Add a callback mechanism for handling responses from client.
Summary:
The callback will be invoked in clangd when we receive a reply from the client.

This is a prerequisite of implementing a generic mechanism for chainable
refactorings (e.g. extract variable and rename), this would allow server to
trigger a new request to the LSP client after receiving a reply from the client.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65387

llvm-svn: 367845
2019-08-05 12:48:09 +00:00
Haojian Wu f429ab60e6 [clangd] Implement "prepareRename"
Summary:
- "prepareRename" request is added in LSP v3.12.0
- also update the vscode-client dependency to pick-up the rename bug fix[1]

[1]: https://github.com/microsoft/vscode-languageserver-node/issues/447

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63126

llvm-svn: 366873
2019-07-24 07:49:23 +00:00
Nathan Ridge 087b044c49 [clangd] Implement typeHierarchy/resolve for subtypes
Summary:
This allows the client to resolve subtypes one level at a time.

For supertypes, this is not necessary, because we eagerly compute
supertypes and return all levels.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64308

llvm-svn: 365986
2019-07-13 03:24:48 +00:00
Russell Gallop de54e2c4df Revert "[clangd] Implement typeHierarchy/resolve for subtypes"
Causing test failure on Windows bot

This reverts commit 5b9484e559.

llvm-svn: 365899
2019-07-12 13:35:58 +00:00
Nathan Ridge 5b9484e559 [clangd] Implement typeHierarchy/resolve for subtypes
Summary:
This allows the client to resolve subtypes one level at a time.

For supertypes, this is not necessary, because we eagerly compute
supertypes and return all levels.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64308

llvm-svn: 365867
2019-07-12 03:26:32 +00:00
Sam McCall 5f092e31ab [clangd] Use -completion-style=bundled by default if signature help is available
Summary:
I didn't manage to find something nicer than optional<bool>, but at least I
found a sneakier comment.

Reviewers: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64216

llvm-svn: 365356
2019-07-08 17:27:15 +00:00
Haojian Wu ee08036df8 [clangd] Deduplicate clang-tidy diagnostic messages.
Summary:
Clang-tidy checks may emit duplicated messages (clang-tidy tool
deduplicate them in its custom diagnostic consumer), and we may show
multiple duplicated diagnostics in the UI, which is really bad.

This patch makes clangd do the deduplication, and revert the change
rL363889.

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64127

llvm-svn: 365204
2019-07-05 12:57:56 +00:00
Johan Vikstrom a848dab7a3 [clangd] Emit publishSemanticHighlighting in LSP if enabled
Summary: Emit publishSemanticHighlighting in LSP if enabled

Reviewers: hokein, kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63919

llvm-svn: 365111
2019-07-04 07:53:12 +00:00
Nathan Ridge 8df5f444a2 [clangd] Include the diagnostics's code when comparing diagnostics
Summary: This fixes https://github.com/clangd/clangd/issues/60

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63316

llvm-svn: 363889
2019-06-19 23:11:02 +00:00
Haojian Wu 982a1cf028 [clangd] Correct the MessageType enum values.
llvm-svn: 363798
2019-06-19 13:14:59 +00:00
Sam McCall 395fde753c [clangd] Add hidden tweaks to dump AST/selection.
Summary:
This introduces a few new concepts:
 - tweaks have an Intent (they don't all advertise as refactorings)
 - tweaks may produce messages (for ShowMessage notification). Generalized
   Replacements -> Effect.
 - tweaks (and other features) may be hidden (clangd -hidden-features flag).
   We may choose to promote these one day. I'm not sure they're worth their own
   feature flags though.

Verified it in vim-clangd (not yet open source), curious if the UI is ok in VSCode.

Reviewers: ilya-biryukov

Subscribers: mgorny, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62538

llvm-svn: 363680
2019-06-18 13:37:54 +00:00
Sam McCall 8d41294c18 [clangd] Add a capability to enable completions with fixes.
Reviewers: ilya-biryukov

Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63091

llvm-svn: 363664
2019-06-18 11:57:26 +00:00
Sam McCall 149786d5b7 [clangd] Stop marshalling/requiring FormattingOptions. We never did anything with them.
llvm-svn: 362934
2019-06-10 13:01:49 +00:00
Ilya Biryukov 4ef0f82b71 [clangd] Support offsets for parameters in signatureHelp
Summary: Added to LSP in version 3.14

Reviewers: hokein

Reviewed By: hokein

Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62476

llvm-svn: 362481
2019-06-04 09:36:59 +00:00
Ilya Biryukov f9169d0896 [clangd] Represent Hover result using FormattedString
Reviewers: sammccall, kadircet

Reviewed By: kadircet

Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61601

llvm-svn: 361940
2019-05-29 10:01:00 +00:00
Ilya Biryukov d020f270d6 [clangd] Minor code style cleanups in Protocol.h. NFC
- Remove a parameter name that was misspelled (OS used for non-stream
  parameter)
- Declare operator == (TextEdit, TextEdit) outside the struct, for
  consistency with other user-declared ops in our code.
- Fix naming style of a parameter.

llvm-svn: 359866
2019-05-03 08:03:21 +00:00
Sam McCall c9e4ee9ca9 [clangd] Support relatedInformation in diagnostics.
Summary: We already have the structure internally, we just need to expose it.

Reviewers: ilya-biryukov

Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D60267

llvm-svn: 358675
2019-04-18 15:17:07 +00:00
Sam McCall 641caa57cc [clangd] Include textual diagnostic ID as Diagnostic.code.
Reviewers: kadircet

Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, jdoerfert, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D58291

llvm-svn: 358575
2019-04-17 12:35:16 +00:00
Sam McCall 8b25d22880 [clangd] Support UTF-32 (i.e. codepoint) offsets.
Summary:
(Changes to UTF-8/UTF-16 here are NFC, moving things around to make the
cases more symmetrical)

Reviewers: ilya-biryukov

Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D59927

llvm-svn: 357173
2019-03-28 14:37:51 +00:00
Sam McCall a69698f45f [clangd] Support utf-8 offsets (rather than utf-16) as a protocol extension
Summary:
Still some pieces to go here: unit tests for new SourceCode functionality and
a command-line flag to force utf-8 mode. But wanted to get early feedback.

Reviewers: hokein

Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, jdoerfert, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D58275

llvm-svn: 357102
2019-03-27 17:47:49 +00:00
Kadir Cetinkaya 8665802202 [clangd] Add support for type hierarchy (super types only for now)
Summary:
Patch by Nathan Ridge(@nridge)!

This is an LSP extension proposed here:
https://github.com/Microsoft/vscode-languageserver-node/pull/426

An example client implementation can be found here:
https://github.com/theia-ide/theia/pull/3802

Reviewers: kadircet, sammccall

Reviewed By: kadircet

Subscribers: jdoerfert, sammccall, cfe-commits, mgorny, dschaefer, simark, ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet

Tags: #clang

Differential Revision: https://reviews.llvm.org/D56370

llvm-svn: 356445
2019-03-19 09:27:04 +00:00
Ilya Biryukov cce67a32cf [clangd] Interfaces for writing code tweaks
Summary:
The code tweaks are an implementation of mini-refactorings exposed
via the LSP code actions. They run in two stages:
  - Stage 1. Decides whether the action is available to the user and
    collects all the information required to finish the action.
    Should be cheap, since this will run over all the actions known to
    clangd on each textDocument/codeAction request from the client.

  - Stage 2. Uses information from stage 1 to produce the actual edits
    that the code action should perform. This stage can be expensive and
    will only run if the user chooses to perform the specified action in
    the UI.

One unfortunate consequence of this change is increased latency of
processing the textDocument/codeAction requests, which now wait for an
AST. However, we cannot avoid this with what we have available in the LSP
today.

Reviewers: kadircet, ioeric, hokein, sammccall

Reviewed By: sammccall

Subscribers: mgrang, mgorny, MaskRay, jkorous, arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D56267

llvm-svn: 352494
2019-01-29 14:17:36 +00:00
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo
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
2019-01-19 08:50:56 +00:00
Ilya Biryukov b0826bdffe [clangd] Check preceding char when completion triggers on ':' or '>'
Summary:
Only run completion when we were trigerred on '->' and '::', otherwise
send an error code in return.
To avoid automatically invoking completions in cases like 'a >^' or
'a ? b :^'.

Reviewers: hokein

Reviewed By: hokein

Subscribers: ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D55994

llvm-svn: 350304
2019-01-03 13:37:12 +00:00
Haojian Wu b618849e31 [clangd] Expose FileStatus to LSP.
Summary:
Add an LSP extension "textDocument/clangd.fileStatus" to emit file-status information.

Reviewers: ilya-biryukov

Subscribers: javed.absar, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D55363

llvm-svn: 349768
2018-12-20 15:39:12 +00:00
Eric Liu 4d814a93e5 [clangd] Canonicalize file path in URIForFile.
Summary:
File paths in URIForFile can come from index or local AST. Path from
index goes through URI transformation and the final path is resolved by URI
scheme and could be potentially different from the original path. Hence, we
should do the same transformation for all paths. We do this in URIForFile, which
now converts a path to URI and back to a canonicalized path.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D54845

llvm-svn: 347739
2018-11-28 10:30:42 +00:00