llvm-project/mlir/lib/Tools/tblgen-lsp-server/TableGenServer.h

89 lines
3.3 KiB
C++

//===- TableGenServer.h - TableGen 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_TBLGENLSPSERVER_TABLEGENSERVER_H_
#define LIB_MLIR_TOOLS_TBLGENLSPSERVER_TABLEGENSERVER_H_
#include "mlir/Support/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include <memory>
#include <string>
namespace mlir {
namespace lsp {
struct Diagnostic;
struct DocumentLink;
struct Hover;
struct Location;
struct Position;
struct TextDocumentContentChangeEvent;
class URIForFile;
/// This class implements all of the TableGen related functionality necessary
/// for a language server. This class allows for keeping the TableGen specific
/// logic separate from the logic that involves LSP server/client communication.
class TableGenServer {
public:
struct Options {
Options(const std::vector<std::string> &compilationDatabases,
const std::vector<std::string> &extraDirs)
: compilationDatabases(compilationDatabases), extraDirs(extraDirs) {}
/// The filenames for databases containing compilation commands for TableGen
/// files passed to the server.
const std::vector<std::string> &compilationDatabases;
/// Additional list of include directories to search.
const std::vector<std::string> &extraDirs;
};
TableGenServer(const Options &options);
~TableGenServer();
/// Add the document, with the provided `version`, at the given URI. Any
/// diagnostics emitted for this document should be added to `diagnostics`.
void addDocument(const URIForFile &uri, StringRef contents, int64_t version,
std::vector<Diagnostic> &diagnostics);
/// Update the document, with the provided `version`, at the given URI. Any
/// diagnostics emitted for this document should be added to `diagnostics`.
void updateDocument(const URIForFile &uri,
ArrayRef<TextDocumentContentChangeEvent> changes,
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.
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);
/// Return the document links referenced by the given file.
void getDocumentLinks(const URIForFile &uri,
std::vector<DocumentLink> &documentLinks);
/// Find a hover description for the given hover position, or std::nullopt if
/// one couldn't be found.
Optional<Hover> findHover(const URIForFile &uri, const Position &hoverPos);
private:
struct Impl;
std::unique_ptr<Impl> impl;
};
} // namespace lsp
} // namespace mlir
#endif // LIB_MLIR_TOOLS_TBLGENLSPSERVER_TABLEGENSERVER_H_