Commit Graph

276 Commits

Author SHA1 Message Date
Ilya Biryukov 0d9b8a3ee8 [clangd] Handle exit notification (proper shutdown)
Summary:
This changes the onShutdown handler to do essentially nothing (for now), and
instead exits the runloop when we receive the exit notification from the client.

Some clients may wait on the reply from the shutdown request before sending an
exit notification. If we exit the runloop already in the shutdown request, a
client might block forever.

This also gives us the opportunity to do any global cleanups and/or
serializations of PCH preambles to disk, but I've left that out for now.

See the LSP protocol documentation for details.

Reviewers: malaperle, krasimir, bkramer, sammccall, ilya-biryukov

Reviewed By: malaperle, sammccall, ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38939

llvm-svn: 316564
2017-10-25 08:45:41 +00:00
Ilya Biryukov b080cb155b [clangd] Allow to pass code completion opts to ClangdServer.
Reviewers: bkramer, krasimir, sammccall

Reviewed By: krasimir

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D38731

llvm-svn: 316327
2017-10-23 14:46:48 +00:00
Sam McCall 8a5dded8a5 [clangd] less boilerplate in RPC dispatch
Summary:
Make the ProtocolHandlers glue between JSONRPCDispatcher and
ClangdLSPServer generic.
Eliminate small differences between methods, de-emphasize the unimportant
distinction between notifications and methods.

ClangdLSPServer is no longer responsible for producing a complete
JSON-RPC response, just the JSON of the result object. (In future, we
should move that JSON serialization out, too).
Handler methods now take a context object that we may hang more
functionality off in the future.

Added documentation to ProtocolHandlers.

Reviewers: ilya-biryukov, bkramer

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38464

llvm-svn: 315577
2017-10-12 13:29:58 +00:00
Ilya Biryukov d9bdfe0578 [clangd] Add textDocument/signatureHelp
Summary:
Makes clangd respond to a client's "textDocument/signatureHelp" request by
presenting function/method overloads.

Patch by Raoul Wols.

Reviewers: bkramer, ilya-biryukov, krasimir

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38048

llvm-svn: 315055
2017-10-06 11:54:17 +00:00
Ilya Biryukov dcd2169380 [clangd] Added async API to run code completion.
Summary:
ClangdServer now provides async code completion API.
It is still used synchronously by ClangdLSPServer, more work is needed
to allow processing other requests in parallel while completion (or
any other request) is running.

Reviewers: klimek, bkramer, krasimir

Reviewed By: klimek

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38583

llvm-svn: 314989
2017-10-05 17:04:13 +00:00
Marc-Andre Laperle bf11424b7f [clangd] Handle workspace/didChangeWatchedFiles
Summary:
The client can send notifications when it detects watched files have
changed. This patch adds the protocol handling for this type of notification.
For now, the notification will be passed down to the ClangdServer, but it will
not be acted upon. However, this will become useful for the indexer to react
to file changes.
The events could also potentially be used to invalidate other caches
(compilation database, etc).

This change also updates the VSCode extension so that it sends the events.

Signed-off-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>

Reviewers: ilya-biryukov, Nebiroth

Subscribers: ilya-biryukov

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D38422

llvm-svn: 314693
2017-10-02 18:00:37 +00:00
Ilya Biryukov 0c1ca6be96 [clangd] Command line arg to specify compile_commands.json path
Summary: Adds compileCommands command line argument to specify an absolute path directly to the requested compile_commands.json for flags.

Reviewed By: ilya-biryukov

Differential Revision: https://reviews.llvm.org/D37150

llvm-svn: 314678
2017-10-02 15:13:20 +00:00
Sam McCall 4db732a7db [clangd] simplify ClangdLSPServer by private-inheriting callback interfaces. NFC
Summary:
There doesn't seem to be any real separation between the current three objects.
Feel free to reject this if you find the current style valuable, though.

(Mostly I'm just looking around for cleanups to help me understand the code).

Reviewers: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38414

llvm-svn: 314587
2017-09-30 10:08:52 +00:00
Sam McCall ef41c34b38 Small clangd cleanups, NFC
- remove old ASTUnit includes
 - fix typo (regiterCallbackHandlers)

llvm-svn: 314532
2017-09-29 16:41:23 +00:00
Marc-Andre Laperle 6571b3edd0 [clangd] LSP extension to switch between source/header file
Summary:
Small extension to LSP to allow clients to use clangd to switch between C header files and source files.
Final version will use the completed clangd indexer to use the index of symbols to be able to switch from header to source file when the file names don't match.

Reviewers: malaperle, krasimir, bkramer, ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: ilya-biryukov, cfe-commits, arphaman

Patch by: William Enright

Differential Revision: https://reviews.llvm.org/D36150

llvm-svn: 314377
2017-09-28 03:14:40 +00:00
Marc-Andre Laperle 37de9718d0 [clangd] Handle InitializeParams and store rootUri
Summary:
The root Uri is the workspace location and will be useful in the context of
indexing. We could also add more things to InitializeParams in order to
configure Clangd for C/C++ sepecific extensions.

Reviewers: ilya-biryukov, bkramer, krasimir, Nebiroth

Reviewed By: ilya-biryukov

Subscribers: ilya-biryukov

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D38093

llvm-svn: 314309
2017-09-27 15:31:17 +00:00
Ilya Biryukov e5128f7e91 [clangd] Introduced Logger interface.
Summary: This fixes a bunch of logging-related FIXMEs.

Reviewers: bkramer, krasimir, malaperle

Reviewed By: malaperle

Subscribers: malaperle, klimek, cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D37972

llvm-svn: 313730
2017-09-20 07:24:15 +00:00
Ilya Biryukov b33c15741b [clangd] Add support for snippet completions
Enhances CompletionItemsCollector in such a way that snippet
completions can be presented to the client. Enable snippet completion
items by specifying -enable-snippets while invoking the clangd
executable.

See: https://github.com/Microsoft/language-server-protocol/blob/master/protocol.md#completion-request
See: https://github.com/Microsoft/vscode/blob/master/src/vs/editor/contrib/snippet/browser/snippet.md

Patch by Raoul Wols.

llvm-svn: 313029
2017-09-12 13:57:14 +00:00
Ilya Biryukov db8b2d7b20 [clangd] Use multiple working threads in clangd.
Reviewers: bkramer, krasimir, klimek

Reviewed By: klimek

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D36261

llvm-svn: 310821
2017-08-14 08:45:47 +00:00
Ilya Biryukov 574b753bfd [clangd] Run clang-format on all clangd sources. NFC.
llvm-svn: 309801
2017-08-02 09:08:39 +00:00
Ilya Biryukov a2e7ca99e0 [clangd] Add ':' to completion trigger characters.
Summary:
Without it we don't get completion requests from VSCode after
nested name qualifiers (e.g. after 'std::').

Reviewers: krasimir, bkramer

Reviewed By: krasimir

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D35986

llvm-svn: 309550
2017-07-31 09:27:52 +00:00
Krasimir Georgiev 0dcb48eab1 [clangd] Allow specifying -resource-dir
Summary: This patch allows clangd to specify its -resource-dir.

Reviewers: bkramer, klimek

Reviewed By: bkramer

Subscribers: cfe-commits

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D35617

llvm-svn: 308486
2017-07-19 15:43:35 +00:00
Krasimir Georgiev c2a16a3567 [clangd] Add support for per-file extra flags
Summary:
This patch adds the ability to specify user-defined extra flags per opened file
through the LSP layer. This is a non-standard extension to the protocol.
I've already created a feature request about it for upstream lsp:
https://github.com/Microsoft/language-server-protocol/issues/255

The particular use-case is ycmd, which has a python script for figuring out
extra flags per file:
https://github.com/Valloric/ycmd#flagsforfile-filename-kwargs-

Reviewers: ilya-biryukov, klimek, bkramer

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D34947

llvm-svn: 307241
2017-07-06 08:44:54 +00:00
Marc-Andre Laperle 2cbf03728a [clangd] Add "Go to Declaration" functionality
Summary: This change allows to navigate to most identifiers' declarations in code. This is a first step towards implementing "Go to Definition". It reuses clangIndex in order to detect which occurrences corresponds to the position requested. The occurrences' Decls are then used to generate locations suitable for navigating to the declarations.

Reviewers: krasimir, bkramer, ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: cfe-commits, mgorny

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D34269

llvm-svn: 306558
2017-06-28 16:12:10 +00:00
Ilya Biryukov 103c951c52 [clangd] Store references instead of unique_ptrs in ClangdServer.
Summary:
ClangdServer owned objects passed to it in constructor for no good reason.
Lots of stuff was moved from the heap to the stack thanks to this change.

Reviewers: krasimir

Reviewed By: krasimir

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D34148

llvm-svn: 305298
2017-06-13 15:59:43 +00:00
Ilya Biryukov 2260299830 [clangd] Mark results of clangd requests with a tag provided by the FileSystemProvider.
Summary:
This allows an implementation of FileSystemProvider that can track which vfs::FileSystem
were used for each of the requests.

Reviewers: bkramer, krasimir

Reviewed By: bkramer

Subscribers: klimek, cfe-commits

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D33678

llvm-svn: 304214
2017-05-30 15:11:02 +00:00
Ilya Biryukov 0f62ed2bbe [clangd] Allow to use vfs::FileSystem for file accesses.
Summary:
Custom vfs::FileSystem is currently used for unit tests.
This revision depends on https://reviews.llvm.org/D33397.

Reviewers: bkramer, krasimir

Reviewed By: bkramer, krasimir

Subscribers: klimek, cfe-commits, mgorny

Differential Revision: https://reviews.llvm.org/D33416

llvm-svn: 303977
2017-05-26 12:26:51 +00:00
Ilya Biryukov afb555473e [clangd] Refactor ProtocolHandlers to decouple them from ClangdLSPServer
Summary:
A refactoring to decouple ProtocolHandlers and Language Server input parsing
loop from the ClangdLSPServer.
The input parsing was extracted from `main` to a function(runLanguageServerLoop).
ProtocolHandlers now provide an interface to handle various LSP methods,
this interface is used by ClangdLSPServer.
Methods for code formatting were moved from ProtocolHandlers to ClangdServer.
ClangdLSPServer now provides a cleaner interface that only runs Language Server
input loop.

Reviewers: bkramer, krasimir

Reviewed By: krasimir

Subscribers: cfe-commits, klimek

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D33201

llvm-svn: 303173
2017-05-16 14:40:30 +00:00
Ilya Biryukov 38d79774d0 Restored r303067 and fixed failing test.
Summary:
This commit restores r303067(reverted by r303094) and fixes the 'formatting.test'
failure.
The failure is due to destructors of `ClangdLSPServer`'s fields(`FixItsMap` and
`FixItsMutex`) being called before destructor of `Server`. It led to the worker
thread calling `consumeDiagnostics` after `FixItsMutex` and `FixItsMap`
destructors were called.
Also, clangd is now run with '-run-synchronously' flag in 'formatting.test'.

Reviewers: bkramer, krasimir

Reviewed By: krasimir

Subscribers: mgorny, cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D33233

llvm-svn: 303151
2017-05-16 09:38:59 +00:00
Adam Nemet 076047b4d9 Revert "[ClangD] Refactor clangd into separate components"
This reverts commit r303067.

Caused http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/34305/

And even after Simon's fix there is still a test failure.

llvm-svn: 303094
2017-05-15 18:14:35 +00:00
Ilya Biryukov 96a13635f5 [ClangD] Refactor clangd into separate components
Summary: Major refactoring to split LSP implementation, Clang API calls and threading(mostly synchronization)

Reviewers: bkramer, krasimir

Reviewed By: bkramer

Subscribers: cfe-commits, mgorny, klimek

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D33047

llvm-svn: 303067
2017-05-15 14:17:35 +00:00