forked from OSchip/llvm-project
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
//===--- ClangdLSPServer.h - LSP server --------------------------*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_CLANGDLSPSERVER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_CLANGDLSPSERVER_H
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#include "ClangdServer.h"
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#include "GlobalCompilationDatabase.h"
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#include "Path.h"
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#include "Protocol.h"
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#include "clang/Tooling/Core/Replacement.h"
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namespace clang {
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namespace clangd {
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class JSONOutput;
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/// This class provides implementation of an LSP server, glueing the JSON
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/// dispatch and ClangdServer together.
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class ClangdLSPServer {
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public:
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ClangdLSPServer(JSONOutput &Out, bool RunSynchronously);
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/// Run LSP server loop, receiving input for it from \p In. \p In must be
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/// opened in binary mode. Output will be written using Out variable passed to
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/// class constructor. This method must not be executed more than once for
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/// each instance of ClangdLSPServer.
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void run(std::istream &In);
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private:
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class LSPProtocolCallbacks;
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class LSPDiagnosticsConsumer : public DiagnosticsConsumer {
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public:
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LSPDiagnosticsConsumer(ClangdLSPServer &Server);
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virtual void
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onDiagnosticsReady(PathRef File,
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Tagged<std::vector<DiagWithFixIts>> Diagnostics);
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private:
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ClangdLSPServer &Server;
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};
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std::vector<clang::tooling::Replacement>
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getFixIts(StringRef File, const clangd::Diagnostic &D);
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/// Function that will be called on a separate thread when diagnostics are
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/// ready. Sends the Dianostics to LSP client via Out.writeMessage and caches
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/// corresponding fixits in the FixItsMap.
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void consumeDiagnostics(PathRef File,
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std::vector<DiagWithFixIts> Diagnostics);
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JSONOutput &Out;
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/// Used to indicate that the 'shutdown' request was received from the
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/// Language Server client.
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/// It's used to break out of the LSP parsing loop.
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bool IsDone = false;
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std::mutex FixItsMutex;
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typedef std::map<clangd::Diagnostic, std::vector<clang::tooling::Replacement>>
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DiagnosticToReplacementMap;
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/// Caches FixIts per file and diagnostics
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llvm::StringMap<DiagnosticToReplacementMap> FixItsMap;
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// Various ClangdServer parameters go here. It's important they're created
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// before ClangdServer.
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DirectoryBasedGlobalCompilationDatabase CDB;
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LSPDiagnosticsConsumer DiagConsumer;
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RealFileSystemProvider FSProvider;
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// Server must be the last member of the class to allow its destructor to exit
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// the worker thread that may otherwise run an async callback on partially
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// destructed instance of ClangdLSPServer.
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ClangdServer Server;
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};
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} // namespace clangd
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} // namespace clang
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#endif
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