This PR adds support for the `positionEncoding` client capability
introduced in LSP 3.17. Clangd can now negotiate the position encoding
with the client during initialization.
Fix https://github.com/clangd/clangd/issues/1746
Co-authored-by: kadir çetinkaya <kadircetinkaya.06.tr@gmail.com>
This is a follow-up to PR114699, with the same motivation: to support
clients which only support adding custom (language-specific or
server-specific) capabilities under 'experimental'.
This is done to support clients which only support adding custom
(language-specific or server-specific) capabilities under
'experimental'.
Fixes https://github.com/clangd/clangd/issues/2201
This is in preparation for implementing go-to-definition support on type
inlay hints, switching the `label` field within the InlayHint protocol from a
string to an array of `InlayHintLabelPart`.
This patch replaces uses of StringRef::{starts,ends}with with
StringRef::{starts,ends}_with for consistency with
std::{string,string_view}::{starts,ends}_with in C++20.
I'm planning to deprecate and eventually remove
StringRef::{starts,ends}with.
This patch implements a new inlay hint feature proposed in https://github.com/clangd/clangd/issues/1634. It introduces a new inlay hint kind BlockEnd which shows a comment-like hint after a definition brace pair, including function/type/namespace. For example,
```
void foo() {
} ^
```
In the code shown above, a hint should be displayed at ^ labelling `// foo`. Such hint only shows when there's no trailing character after the position except whitespaces and optionally ';'.
Also, new configurations are introduced in the inlay hints block
```
InlayHints:
BlockEnd: Yes # toggling the feature
```
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D150635
In preparation for removing the `#include "llvm/ADT/StringExtras.h"`
from the header to source file of `llvm/Support/Error.h`, first add in
all the missing includes that were previously included transitively
through this header.
(When clients support it, otherwise keep the existing rendering).
In VSCode this makes the signature darker.
Differential Revision: https://reviews.llvm.org/D151253
For each unused-include/missing-include diagnostic, we provide fix-all
alternative to them.
This patch also adds LSP ChangeAnnotation support.
Differential Revision: https://reviews.llvm.org/D147684
This is an initial patch to add TextDocumentEdit (versioned edits) support in
clangd, the scope is minimal:
- add and extend the corresponding protocol structures
- propagate the documentChanges for diagnostic codeactions (our motivated case)
Differential Revision: https://reviews.llvm.org/D148783
This is mostly a mechanical change to adapt standard type hierarchy
support proposed in LSP 3.17 on top of clangd's existing extension support.
This does mainly two things:
- Incorporate symbolids for all the parents inside resolution parameters, so
that they can be retrieved from index later on. This is a new code path, as
extension always resolved them eagerly.
- Propogate parent information when resolving children, so that at least one
branch of parents is always preserved. This is to address a shortcoming in the
extension.
This doesn't drop support for the extension, but it's deprecated from now on and
will be deleted in upcoming releases. Currently we use the same struct
internally but don't serialize extra fields.
Fixes https://github.com/clangd/clangd/issues/826.
Differential Revision: https://reviews.llvm.org/D131385
Add an optional declarationRange and definitionRange to SymbolDetails.
This will allow SourceKit-LSP to implement toggling between goto
definition/declaration based on whether the symbol at the cursor
is a definition or declaration.
Differential Revision: https://reviews.llvm.org/D130041
LSP supports Diagnostic.codeInformation since 3.16.
In VSCode, this turns the code (e.g. "unused-includes" or "bugprone-foo") into
a clickable link that opens the docs in a web browser.
Differential Revision: https://reviews.llvm.org/D126065
- Make clangd's internal representation more aligned with the standard.
We keep range and extra inlayhint kinds around, but don't serialize
them on standard version.
- Have custom serialization for extension (ugly, but going to go away).
- Support both versions until clangd-17.
- Don't advertise extension if client has support for standard
implementation.
- Log a warning at startup about extension being deprecated, if client
doesn't have support.
Differential Revision: https://reviews.llvm.org/D125228
With the addition of inlay hints to clangd, it would be useful to output them during verbose `clangd --check`.
This patch adds an output step for inlay hints and unifies the way `--check-lines` are passed around
Reviewed By: nridge
Differential Revision: https://reviews.llvm.org/D124344
Add support for concepts and requires expression in the clang index.
Genarate USRs for concepts.
Also change how `RecursiveASTVisitor` handles return type requirement in
requires expressions. The new code unpacks the synthetic template parameter
list used for storing the actual expression. This simplifies
implementation of the indexing. No code seems to depend on the original
traversal anyway and the synthesized template parameter list is easily
accessible from inside the requires expression if needed.
Add tests in the clangd codebase.
Fixes https://github.com/clangd/clangd/issues/1103.
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D124441
These make the init lists appear as if designated initialization was used.
Example:
ExpectedHint{"param: ", "arg"}
becomes
ExpectedHint{.Label="param: ", .RangeName="arg"}
Differential Revision: https://reviews.llvm.org/D116786
This means it's a "real feature" in clangd 14, albeit one that requires special
client support.
- remove "preview" from the flag description
- expose the `clangdInlayHints` capability by default
- provide `position` as well as `range`
- support `InlayHintsParams.range` to restrict the range retrieved
- inlay hint list is in document order (sorted by position)
Still to come: control feature via config rather than flag.
Fixes https://github.com/clangd/clangd/issues/313
Protocol doc is in https://github.com/llvm/clangd-www/pull/56/files
Differential Revision: https://reviews.llvm.org/D116699
This unifies the behaviour we have in code completion item
documentations and signaturehelp. Providing better line wrapping and detection
of inline code blocks in comments to be renedered appropriately in markdown.
Differential Revision: https://reviews.llvm.org/D115442
Cleanup of clang-tidy findings: removing "else" after a return statement
to improve readability of the code.
This patch was created by applying the clang-tidy fixes automatically.
Differential Revision: https://reviews.llvm.org/D113892
It is not great to list diag ids by hand, but I don't see any other
solution unless diagnostics are annotated with these explicitly, which is a
bigger change in clang and I am not sure if would be worth it.
Diagnostics handled by this patch is by no means exhaustive, there might be
other checks that don't mention "unused"/"deprecated" in their names. But it
feels like this should be enough to catch common diagnostics and can be extended
over time.
Differential Revision: https://reviews.llvm.org/D107040
This is causing weird code patterns in various places and I can't see
any difference between None and empty change list. Neither in the current use
cases nor in the spec.
Differential Revision: https://reviews.llvm.org/D103449
When you pass in a payload with an invalid URI in a build with assertions enabled, it will crash.
Consuming the error from the failed URI parse prevents the error.
The crash is caused by the [llvm::expected](https://llvm.org/doxygen/classllvm_1_1Expected.html) having protection around trying to deconstruct without consuming the error first.
Reviewed By: kadircet
Differential Revision: https://reviews.llvm.org/D99872
Clangd can invalidate client state of features like semantic higlighting
without client explicitly triggering, for example after a preamble build
caused by an onSave notification on a different file.
This patch introduces a mechanism to let client know of such actions,
and also calls the workspace/semanticTokens/refresh request to
demonstrate the situation after each preamble build.
Fixes https://github.com/clangd/clangd/issues/699.
Differential Revision: https://reviews.llvm.org/D97548
This is obsoleted by the standard semanticTokens request family.
As well as the protocol details, this allows us to remove a bunch of plumbing
around pushing highlights to clients.
This should not land until the new protocol has feature parity, see D77702.
Differential Revision: https://reviews.llvm.org/D95576
Unfortunately this treats overrides declarations as declarations, not as
references. I don't plan to land this until I have a fix for that issue.
Differential Revision: https://reviews.llvm.org/D95450
Clangd currently throws away any protocol messages whenever an optional
field has an unexpected type. This patch changes the behaviour to treat
`null` fields as missing.
This enables clangd to be more tolerant against small violations to the
LSP spec.
Fixes https://github.com/clangd/vscode-clangd/issues/134
Differential Revision: https://reviews.llvm.org/D95229
This is a mass-market version of the "dump AST" tweak we have behind
-hidden-features.
I think in this friendlier form it'll be useful for people outside clang
developers, which would justify making it a real feature.
It could be useful as a step towards lightweight clang-AST tooling in clangd
itself (like matcher-based search).
Advantages over the tweak:
- simplified information makes it more accessible, likely somewhat useful
without learning too much clang internals
- can be shown in a tree view
- structured information gives some options for presentation (e.g.
icon + two text colors + tooltip in vscode)
- clickable nodes jump to the corresponding code
Disadvantages:
- a bunch of code to handle different node types
- likely missing some important info vs dump-ast due to brevity/oversight
- may end up chasing/maintaining support for the long tail of nodes
Demo with VSCode support: https://imgur.com/a/6gKfyIV
Differential Revision: https://reviews.llvm.org/D89571