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//===- MLIRServer.h - MLIR General Language Server --------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LIB_MLIR_TOOLS_MLIRLSPSERVER_SERVER_H_
#define LIB_MLIR_TOOLS_MLIRLSPSERVER_SERVER_H_
#include "mlir/Support/LLVM.h"
#include "llvm/Support/Error.h"
#include <memory>
#include <optional>
namespace mlir {
class DialectRegistry;
namespace lsp {
struct CodeAction;
struct CodeActionContext;
struct CompletionList;
struct Diagnostic;
struct DocumentSymbol;
struct Hover;
struct Location;
struct MLIRConvertBytecodeResult;
struct Position;
struct Range;
class URIForFile;
/// This class implements all of the MLIR related functionality necessary for a
/// language server. This class allows for keeping the MLIR specific logic
/// separate from the logic that involves LSP server/client communication.
class MLIRServer {
public:
/// Construct a new server with the given dialect regitstry.
MLIRServer(DialectRegistry ®istry);
~MLIRServer();
/// Add or update the document, with the provided `version`, at the given URI.
/// Any diagnostics emitted for this document should be added to
/// `diagnostics`.
void addOrUpdateDocument(const URIForFile &uri, StringRef contents,
int64_t version,
std::vector<Diagnostic> &diagnostics);
/// Remove the document with the given uri. Returns the version of the removed
/// document, or std::nullopt if the uri did not have a corresponding document
/// within the server.
std::optional<int64_t> removeDocument(const URIForFile &uri);
/// Return the locations of the object pointed at by the given position.
void getLocationsOf(const URIForFile &uri, const Position &defPos,
std::vector<Location> &locations);
/// Find all references of the object pointed at by the given position.
void findReferencesOf(const URIForFile &uri, const Position &pos,
std::vector<Location> &references);
/// Find a hover description for the given hover position, or std::nullopt if
/// one couldn't be found.
std::optional<Hover> findHover(const URIForFile &uri,
const Position &hoverPos);
/// Find all of the document symbols within the given file.
void findDocumentSymbols(const URIForFile &uri,
std::vector<DocumentSymbol> &symbols);
/// Get the code completion list for the position within the given file.
CompletionList getCodeCompletion(const URIForFile &uri,
const Position &completePos);
/// Get the set of code actions within the file.
void getCodeActions(const URIForFile &uri, const Range &pos,
const CodeActionContext &context,
std::vector<CodeAction> &actions);
/// Convert the given bytecode file to the textual format.
llvm::Expected<MLIRConvertBytecodeResult>
convertFromBytecode(const URIForFile &uri);
/// Convert the given textual file to the bytecode format.
llvm::Expected<MLIRConvertBytecodeResult>
convertToBytecode(const URIForFile &uri);
private:
struct Impl;
std::unique_ptr<Impl> impl;
};
} // namespace lsp
} // namespace mlir
#endif // LIB_MLIR_TOOLS_MLIRLSPSERVER_SERVER_H_
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