| //===--- ClangdServer.cpp - Main clangd server code --------------*- C++-*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===-------------------------------------------------------------------===// |
| |
| #include "ClangdServer.h" |
| #include "ClangdUnit.h" |
| #include "CodeComplete.h" |
| #include "FindSymbols.h" |
| #include "Headers.h" |
| #include "SourceCode.h" |
| #include "Trace.h" |
| #include "index/CanonicalIncludes.h" |
| #include "index/FileIndex.h" |
| #include "index/Merge.h" |
| #include "refactor/Tweak.h" |
| #include "clang/Format/Format.h" |
| #include "clang/Frontend/CompilerInstance.h" |
| #include "clang/Frontend/CompilerInvocation.h" |
| #include "clang/Lex/Preprocessor.h" |
| #include "clang/Tooling/CompilationDatabase.h" |
| #include "clang/Tooling/Core/Replacement.h" |
| #include "clang/Tooling/Refactoring/RefactoringResultConsumer.h" |
| #include "clang/Tooling/Refactoring/Rename/RenamingAction.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/ScopeExit.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/Errc.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/Path.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <future> |
| #include <memory> |
| #include <mutex> |
| |
| namespace clang { |
| namespace clangd { |
| namespace { |
| |
| class RefactoringResultCollector final |
| : public tooling::RefactoringResultConsumer { |
| public: |
| void handleError(llvm::Error Err) override { |
| assert(!Result.hasValue()); |
| // FIXME: figure out a way to return better message for DiagnosticError. |
| // clangd uses llvm::toString to convert the Err to string, however, for |
| // DiagnosticError, only "clang diagnostic" will be generated. |
| Result = std::move(Err); |
| } |
| |
| // Using the handle(SymbolOccurrences) from parent class. |
| using tooling::RefactoringResultConsumer::handle; |
| |
| void handle(tooling::AtomicChanges SourceReplacements) override { |
| assert(!Result.hasValue()); |
| Result = std::move(SourceReplacements); |
| } |
| |
| llvm::Optional<llvm::Expected<tooling::AtomicChanges>> Result; |
| }; |
| |
| // Update the FileIndex with new ASTs and plumb the diagnostics responses. |
| struct UpdateIndexCallbacks : public ParsingCallbacks { |
| UpdateIndexCallbacks(FileIndex *FIndex, DiagnosticsConsumer &DiagConsumer) |
| : FIndex(FIndex), DiagConsumer(DiagConsumer) {} |
| |
| void onPreambleAST(PathRef Path, ASTContext &Ctx, |
| std::shared_ptr<clang::Preprocessor> PP, |
| const CanonicalIncludes &CanonIncludes) override { |
| if (FIndex) |
| FIndex->updatePreamble(Path, Ctx, std::move(PP), CanonIncludes); |
| } |
| |
| void onMainAST(PathRef Path, ParsedAST &AST) override { |
| if (FIndex) |
| FIndex->updateMain(Path, AST); |
| } |
| |
| void onDiagnostics(PathRef File, std::vector<Diag> Diags) override { |
| DiagConsumer.onDiagnosticsReady(File, std::move(Diags)); |
| } |
| |
| void onFileUpdated(PathRef File, const TUStatus &Status) override { |
| DiagConsumer.onFileUpdated(File, Status); |
| } |
| |
| private: |
| FileIndex *FIndex; |
| DiagnosticsConsumer &DiagConsumer; |
| }; |
| } // namespace |
| |
| ClangdServer::Options ClangdServer::optsForTest() { |
| ClangdServer::Options Opts; |
| Opts.UpdateDebounce = std::chrono::steady_clock::duration::zero(); // Faster! |
| Opts.StorePreamblesInMemory = true; |
| Opts.AsyncThreadsCount = 4; // Consistent! |
| return Opts; |
| } |
| |
| ClangdServer::ClangdServer(const GlobalCompilationDatabase &CDB, |
| const FileSystemProvider &FSProvider, |
| DiagnosticsConsumer &DiagConsumer, |
| const Options &Opts) |
| : CDB(CDB), FSProvider(FSProvider), |
| DynamicIdx(Opts.BuildDynamicSymbolIndex |
| ? new FileIndex(Opts.HeavyweightDynamicSymbolIndex) |
| : nullptr), |
| ClangTidyOptProvider(Opts.ClangTidyOptProvider), |
| SuggestMissingIncludes(Opts.SuggestMissingIncludes), |
| WorkspaceRoot(Opts.WorkspaceRoot), |
| PCHs(std::make_shared<PCHContainerOperations>()), |
| // Pass a callback into `WorkScheduler` to extract symbols from a newly |
| // parsed file and rebuild the file index synchronously each time an AST |
| // is parsed. |
| // FIXME(ioeric): this can be slow and we may be able to index on less |
| // critical paths. |
| WorkScheduler(Opts.AsyncThreadsCount, Opts.StorePreamblesInMemory, |
| llvm::make_unique<UpdateIndexCallbacks>(DynamicIdx.get(), |
| DiagConsumer), |
| Opts.UpdateDebounce, Opts.RetentionPolicy) { |
| // Adds an index to the stack, at higher priority than existing indexes. |
| auto AddIndex = [&](SymbolIndex *Idx) { |
| if (this->Index != nullptr) { |
| MergedIdx.push_back(llvm::make_unique<MergedIndex>(Idx, this->Index)); |
| this->Index = MergedIdx.back().get(); |
| } else { |
| this->Index = Idx; |
| } |
| }; |
| if (Opts.StaticIndex) |
| AddIndex(Opts.StaticIndex); |
| if (Opts.BackgroundIndex) { |
| BackgroundIdx = llvm::make_unique<BackgroundIndex>( |
| Context::current().clone(), FSProvider, CDB, |
| BackgroundIndexStorage::createDiskBackedStorageFactory(), |
| Opts.BackgroundIndexRebuildPeriodMs); |
| AddIndex(BackgroundIdx.get()); |
| } |
| if (DynamicIdx) |
| AddIndex(DynamicIdx.get()); |
| } |
| |
| void ClangdServer::addDocument(PathRef File, llvm::StringRef Contents, |
| WantDiagnostics WantDiags) { |
| ParseOptions Opts; |
| Opts.ClangTidyOpts = tidy::ClangTidyOptions::getDefaults(); |
| if (ClangTidyOptProvider) |
| Opts.ClangTidyOpts = ClangTidyOptProvider->getOptions(File); |
| // FIXME: cache this. |
| Opts.Style = |
| getFormatStyleForFile(File, Contents, FSProvider.getFileSystem().get()); |
| Opts.SuggestMissingIncludes = SuggestMissingIncludes; |
| // FIXME: some build systems like Bazel will take time to preparing |
| // environment to build the file, it would be nice if we could emit a |
| // "PreparingBuild" status to inform users, it is non-trivial given the |
| // current implementation. |
| ParseInputs Inputs; |
| Inputs.CompileCommand = getCompileCommand(File); |
| Inputs.FS = FSProvider.getFileSystem(); |
| Inputs.Contents = Contents; |
| Inputs.Opts = std::move(Opts); |
| Inputs.Index = Index; |
| WorkScheduler.update(File, Inputs, WantDiags); |
| } |
| |
| void ClangdServer::removeDocument(PathRef File) { WorkScheduler.remove(File); } |
| |
| void ClangdServer::codeComplete(PathRef File, Position Pos, |
| const clangd::CodeCompleteOptions &Opts, |
| Callback<CodeCompleteResult> CB) { |
| // Copy completion options for passing them to async task handler. |
| auto CodeCompleteOpts = Opts; |
| if (!CodeCompleteOpts.Index) // Respect overridden index. |
| CodeCompleteOpts.Index = Index; |
| |
| // Copy PCHs to avoid accessing this->PCHs concurrently |
| std::shared_ptr<PCHContainerOperations> PCHs = this->PCHs; |
| auto FS = FSProvider.getFileSystem(); |
| |
| auto Task = [PCHs, Pos, FS, CodeCompleteOpts, |
| this](Path File, Callback<CodeCompleteResult> CB, |
| llvm::Expected<InputsAndPreamble> IP) { |
| if (!IP) |
| return CB(IP.takeError()); |
| if (isCancelled()) |
| return CB(llvm::make_error<CancelledError>()); |
| |
| llvm::Optional<SpeculativeFuzzyFind> SpecFuzzyFind; |
| if (CodeCompleteOpts.Index && CodeCompleteOpts.SpeculativeIndexRequest) { |
| SpecFuzzyFind.emplace(); |
| { |
| std::lock_guard<std::mutex> Lock(CachedCompletionFuzzyFindRequestMutex); |
| SpecFuzzyFind->CachedReq = CachedCompletionFuzzyFindRequestByFile[File]; |
| } |
| } |
| |
| // FIXME(ibiryukov): even if Preamble is non-null, we may want to check |
| // both the old and the new version in case only one of them matches. |
| CodeCompleteResult Result = clangd::codeComplete( |
| File, IP->Command, IP->Preamble, IP->Contents, Pos, FS, PCHs, |
| CodeCompleteOpts, SpecFuzzyFind ? SpecFuzzyFind.getPointer() : nullptr); |
| { |
| clang::clangd::trace::Span Tracer("Completion results callback"); |
| CB(std::move(Result)); |
| } |
| if (SpecFuzzyFind && SpecFuzzyFind->NewReq.hasValue()) { |
| std::lock_guard<std::mutex> Lock(CachedCompletionFuzzyFindRequestMutex); |
| CachedCompletionFuzzyFindRequestByFile[File] = |
| SpecFuzzyFind->NewReq.getValue(); |
| } |
| // SpecFuzzyFind is only destroyed after speculative fuzzy find finishes. |
| // We don't want `codeComplete` to wait for the async call if it doesn't use |
| // the result (e.g. non-index completion, speculation fails), so that `CB` |
| // is called as soon as results are available. |
| }; |
| |
| // We use a potentially-stale preamble because latency is critical here. |
| WorkScheduler.runWithPreamble("CodeComplete", File, TUScheduler::Stale, |
| Bind(Task, File.str(), std::move(CB))); |
| } |
| |
| void ClangdServer::signatureHelp(PathRef File, Position Pos, |
| Callback<SignatureHelp> CB) { |
| |
| auto PCHs = this->PCHs; |
| auto FS = FSProvider.getFileSystem(); |
| auto *Index = this->Index; |
| auto Action = [Pos, FS, PCHs, Index](Path File, Callback<SignatureHelp> CB, |
| llvm::Expected<InputsAndPreamble> IP) { |
| if (!IP) |
| return CB(IP.takeError()); |
| |
| auto PreambleData = IP->Preamble; |
| CB(clangd::signatureHelp(File, IP->Command, PreambleData, IP->Contents, Pos, |
| FS, PCHs, Index)); |
| }; |
| |
| // Unlike code completion, we wait for an up-to-date preamble here. |
| // Signature help is often triggered after code completion. If the code |
| // completion inserted a header to make the symbol available, then using |
| // the old preamble would yield useless results. |
| WorkScheduler.runWithPreamble("SignatureHelp", File, TUScheduler::Consistent, |
| Bind(Action, File.str(), std::move(CB))); |
| } |
| |
| llvm::Expected<tooling::Replacements> |
| ClangdServer::formatRange(llvm::StringRef Code, PathRef File, Range Rng) { |
| llvm::Expected<size_t> Begin = positionToOffset(Code, Rng.start); |
| if (!Begin) |
| return Begin.takeError(); |
| llvm::Expected<size_t> End = positionToOffset(Code, Rng.end); |
| if (!End) |
| return End.takeError(); |
| return formatCode(Code, File, {tooling::Range(*Begin, *End - *Begin)}); |
| } |
| |
| llvm::Expected<tooling::Replacements> |
| ClangdServer::formatFile(llvm::StringRef Code, PathRef File) { |
| // Format everything. |
| return formatCode(Code, File, {tooling::Range(0, Code.size())}); |
| } |
| |
| llvm::Expected<tooling::Replacements> |
| ClangdServer::formatOnType(llvm::StringRef Code, PathRef File, Position Pos) { |
| // Look for the previous opening brace from the character position and |
| // format starting from there. |
| llvm::Expected<size_t> CursorPos = positionToOffset(Code, Pos); |
| if (!CursorPos) |
| return CursorPos.takeError(); |
| size_t PreviousLBracePos = |
| llvm::StringRef(Code).find_last_of('{', *CursorPos); |
| if (PreviousLBracePos == llvm::StringRef::npos) |
| PreviousLBracePos = *CursorPos; |
| size_t Len = *CursorPos - PreviousLBracePos; |
| |
| return formatCode(Code, File, {tooling::Range(PreviousLBracePos, Len)}); |
| } |
| |
| void ClangdServer::rename(PathRef File, Position Pos, llvm::StringRef NewName, |
| Callback<std::vector<tooling::Replacement>> CB) { |
| auto Action = [Pos](Path File, std::string NewName, |
| Callback<std::vector<tooling::Replacement>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| auto &AST = InpAST->AST; |
| |
| RefactoringResultCollector ResultCollector; |
| const SourceManager &SourceMgr = AST.getASTContext().getSourceManager(); |
| SourceLocation SourceLocationBeg = |
| clangd::getBeginningOfIdentifier(AST, Pos, SourceMgr.getMainFileID()); |
| tooling::RefactoringRuleContext Context( |
| AST.getASTContext().getSourceManager()); |
| Context.setASTContext(AST.getASTContext()); |
| auto Rename = clang::tooling::RenameOccurrences::initiate( |
| Context, SourceRange(SourceLocationBeg), NewName); |
| if (!Rename) |
| return CB(Rename.takeError()); |
| |
| Rename->invoke(ResultCollector, Context); |
| |
| assert(ResultCollector.Result.hasValue()); |
| if (!ResultCollector.Result.getValue()) |
| return CB(ResultCollector.Result->takeError()); |
| |
| std::vector<tooling::Replacement> Replacements; |
| for (const tooling::AtomicChange &Change : ResultCollector.Result->get()) { |
| tooling::Replacements ChangeReps = Change.getReplacements(); |
| for (const auto &Rep : ChangeReps) { |
| // FIXME: Right now we only support renaming the main file, so we |
| // drop replacements not for the main file. In the future, we might |
| // consider to support: |
| // * rename in any included header |
| // * rename only in the "main" header |
| // * provide an error if there are symbols we won't rename (e.g. |
| // std::vector) |
| // * rename globally in project |
| // * rename in open files |
| if (Rep.getFilePath() == File) |
| Replacements.push_back(Rep); |
| } |
| } |
| return CB(std::move(Replacements)); |
| }; |
| |
| WorkScheduler.runWithAST( |
| "Rename", File, Bind(Action, File.str(), NewName.str(), std::move(CB))); |
| } |
| |
| static llvm::Expected<Tweak::Selection> |
| tweakSelection(const Range &Sel, const InputsAndAST &AST) { |
| auto Begin = positionToOffset(AST.Inputs.Contents, Sel.start); |
| if (!Begin) |
| return Begin.takeError(); |
| auto End = positionToOffset(AST.Inputs.Contents, Sel.end); |
| if (!End) |
| return End.takeError(); |
| return Tweak::Selection(AST.AST, *Begin, *End); |
| } |
| |
| void ClangdServer::enumerateTweaks(PathRef File, Range Sel, |
| Callback<std::vector<TweakRef>> CB) { |
| auto Action = [Sel](decltype(CB) CB, std::string File, |
| Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| auto Selection = tweakSelection(Sel, *InpAST); |
| if (!Selection) |
| return CB(Selection.takeError()); |
| std::vector<TweakRef> Res; |
| for (auto &T : prepareTweaks(*Selection)) |
| Res.push_back({T->id(), T->title()}); |
| CB(std::move(Res)); |
| }; |
| |
| WorkScheduler.runWithAST("EnumerateTweaks", File, |
| Bind(Action, std::move(CB), File.str())); |
| } |
| |
| void ClangdServer::applyTweak(PathRef File, Range Sel, StringRef TweakID, |
| Callback<tooling::Replacements> CB) { |
| auto Action = [Sel](decltype(CB) CB, std::string File, std::string TweakID, |
| Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| auto Selection = tweakSelection(Sel, *InpAST); |
| if (!Selection) |
| return CB(Selection.takeError()); |
| auto A = prepareTweak(TweakID, *Selection); |
| if (!A) |
| return CB(A.takeError()); |
| return CB((*A)->apply(*Selection, InpAST->Inputs.Opts.Style)); |
| }; |
| WorkScheduler.runWithAST( |
| "ApplyTweak", File, |
| Bind(Action, std::move(CB), File.str(), TweakID.str())); |
| } |
| |
| void ClangdServer::dumpAST(PathRef File, |
| llvm::unique_function<void(std::string)> Callback) { |
| auto Action = [](decltype(Callback) Callback, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) { |
| llvm::consumeError(InpAST.takeError()); |
| return Callback("<no-ast>"); |
| } |
| std::string Result; |
| |
| llvm::raw_string_ostream ResultOS(Result); |
| clangd::dumpAST(InpAST->AST, ResultOS); |
| ResultOS.flush(); |
| |
| Callback(Result); |
| }; |
| |
| WorkScheduler.runWithAST("DumpAST", File, Bind(Action, std::move(Callback))); |
| } |
| |
| void ClangdServer::locateSymbolAt(PathRef File, Position Pos, |
| Callback<std::vector<LocatedSymbol>> CB) { |
| auto Action = [Pos, this](decltype(CB) CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::locateSymbolAt(InpAST->AST, Pos, Index)); |
| }; |
| |
| WorkScheduler.runWithAST("Definitions", File, Bind(Action, std::move(CB))); |
| } |
| |
| llvm::Optional<Path> ClangdServer::switchSourceHeader(PathRef Path) { |
| |
| llvm::StringRef SourceExtensions[] = {".cpp", ".c", ".cc", ".cxx", |
| ".c++", ".m", ".mm"}; |
| llvm::StringRef HeaderExtensions[] = {".h", ".hh", ".hpp", ".hxx", ".inc"}; |
| |
| llvm::StringRef PathExt = llvm::sys::path::extension(Path); |
| |
| // Lookup in a list of known extensions. |
| auto SourceIter = |
| llvm::find_if(SourceExtensions, [&PathExt](PathRef SourceExt) { |
| return SourceExt.equals_lower(PathExt); |
| }); |
| bool IsSource = SourceIter != std::end(SourceExtensions); |
| |
| auto HeaderIter = |
| llvm::find_if(HeaderExtensions, [&PathExt](PathRef HeaderExt) { |
| return HeaderExt.equals_lower(PathExt); |
| }); |
| |
| bool IsHeader = HeaderIter != std::end(HeaderExtensions); |
| |
| // We can only switch between the known extensions. |
| if (!IsSource && !IsHeader) |
| return None; |
| |
| // Array to lookup extensions for the switch. An opposite of where original |
| // extension was found. |
| llvm::ArrayRef<llvm::StringRef> NewExts; |
| if (IsSource) |
| NewExts = HeaderExtensions; |
| else |
| NewExts = SourceExtensions; |
| |
| // Storage for the new path. |
| llvm::SmallString<128> NewPath = llvm::StringRef(Path); |
| |
| // Instance of vfs::FileSystem, used for file existence checks. |
| auto FS = FSProvider.getFileSystem(); |
| |
| // Loop through switched extension candidates. |
| for (llvm::StringRef NewExt : NewExts) { |
| llvm::sys::path::replace_extension(NewPath, NewExt); |
| if (FS->exists(NewPath)) |
| return NewPath.str().str(); // First str() to convert from SmallString to |
| // StringRef, second to convert from StringRef |
| // to std::string |
| |
| // Also check NewExt in upper-case, just in case. |
| llvm::sys::path::replace_extension(NewPath, NewExt.upper()); |
| if (FS->exists(NewPath)) |
| return NewPath.str().str(); |
| } |
| |
| return None; |
| } |
| |
| llvm::Expected<tooling::Replacements> |
| ClangdServer::formatCode(llvm::StringRef Code, PathRef File, |
| llvm::ArrayRef<tooling::Range> Ranges) { |
| // Call clang-format. |
| auto FS = FSProvider.getFileSystem(); |
| auto Style = format::getStyle(format::DefaultFormatStyle, File, |
| format::DefaultFallbackStyle, Code, FS.get()); |
| if (!Style) |
| return Style.takeError(); |
| |
| tooling::Replacements IncludeReplaces = |
| format::sortIncludes(*Style, Code, Ranges, File); |
| auto Changed = tooling::applyAllReplacements(Code, IncludeReplaces); |
| if (!Changed) |
| return Changed.takeError(); |
| |
| return IncludeReplaces.merge(format::reformat( |
| Style.get(), *Changed, |
| tooling::calculateRangesAfterReplacements(IncludeReplaces, Ranges), |
| File)); |
| } |
| |
| void ClangdServer::findDocumentHighlights( |
| PathRef File, Position Pos, Callback<std::vector<DocumentHighlight>> CB) { |
| auto Action = [Pos](Callback<std::vector<DocumentHighlight>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::findDocumentHighlights(InpAST->AST, Pos)); |
| }; |
| |
| WorkScheduler.runWithAST("Highlights", File, Bind(Action, std::move(CB))); |
| } |
| |
| void ClangdServer::findHover(PathRef File, Position Pos, |
| Callback<llvm::Optional<Hover>> CB) { |
| auto Action = [Pos](Callback<llvm::Optional<Hover>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::getHover(InpAST->AST, Pos)); |
| }; |
| |
| WorkScheduler.runWithAST("Hover", File, Bind(Action, std::move(CB))); |
| } |
| |
| tooling::CompileCommand ClangdServer::getCompileCommand(PathRef File) { |
| trace::Span Span("GetCompileCommand"); |
| llvm::Optional<tooling::CompileCommand> C = CDB.getCompileCommand(File); |
| if (!C) // FIXME: Suppress diagnostics? Let the user know? |
| C = CDB.getFallbackCommand(File); |
| return std::move(*C); |
| } |
| |
| void ClangdServer::onFileEvent(const DidChangeWatchedFilesParams &Params) { |
| // FIXME: Do nothing for now. This will be used for indexing and potentially |
| // invalidating other caches. |
| } |
| |
| void ClangdServer::workspaceSymbols( |
| llvm::StringRef Query, int Limit, |
| Callback<std::vector<SymbolInformation>> CB) { |
| std::string QueryCopy = Query; |
| WorkScheduler.run( |
| "getWorkspaceSymbols", |
| Bind( |
| [QueryCopy, Limit, this](decltype(CB) CB) { |
| CB(clangd::getWorkspaceSymbols(QueryCopy, Limit, Index, |
| WorkspaceRoot.getValueOr(""))); |
| }, |
| std::move(CB))); |
| } |
| |
| void ClangdServer::documentSymbols(llvm::StringRef File, |
| Callback<std::vector<DocumentSymbol>> CB) { |
| auto Action = [](Callback<std::vector<DocumentSymbol>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::getDocumentSymbols(InpAST->AST)); |
| }; |
| WorkScheduler.runWithAST("documentSymbols", File, |
| Bind(Action, std::move(CB))); |
| } |
| |
| void ClangdServer::findReferences(PathRef File, Position Pos, uint32_t Limit, |
| Callback<std::vector<Location>> CB) { |
| auto Action = [Pos, Limit, this](Callback<std::vector<Location>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::findReferences(InpAST->AST, Pos, Limit, Index)); |
| }; |
| |
| WorkScheduler.runWithAST("References", File, Bind(Action, std::move(CB))); |
| } |
| |
| void ClangdServer::symbolInfo(PathRef File, Position Pos, |
| Callback<std::vector<SymbolDetails>> CB) { |
| auto Action = [Pos](Callback<std::vector<SymbolDetails>> CB, |
| llvm::Expected<InputsAndAST> InpAST) { |
| if (!InpAST) |
| return CB(InpAST.takeError()); |
| CB(clangd::getSymbolInfo(InpAST->AST, Pos)); |
| }; |
| |
| WorkScheduler.runWithAST("SymbolInfo", File, Bind(Action, std::move(CB))); |
| } |
| |
| std::vector<std::pair<Path, std::size_t>> |
| ClangdServer::getUsedBytesPerFile() const { |
| return WorkScheduler.getUsedBytesPerFile(); |
| } |
| |
| LLVM_NODISCARD bool |
| ClangdServer::blockUntilIdleForTest(llvm::Optional<double> TimeoutSeconds) { |
| return WorkScheduler.blockUntilIdle(timeoutSeconds(TimeoutSeconds)) && |
| (!BackgroundIdx || |
| BackgroundIdx->blockUntilIdleForTest(TimeoutSeconds)); |
| } |
| |
| } // namespace clangd |
| } // namespace clang |
