llvm-project/mlir/lib/Tools/lsp-server-support/CompilationDatabase.h

71 lines
2.6 KiB
C++

//===- CompilationDatabase.h - LSP Compilation Database ---------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains a definition of a generic compilation database that can be
// used to provide information about the compilation of a given source file. It
// contains generic components, leaving more complex interpretation to the
// specific language servers that consume it.
//
//===----------------------------------------------------------------------===//
#ifndef LIB_MLIR_TOOLS_LSPSERVERSUPPORT_COMPILATIONDATABASE_H_
#define LIB_MLIR_TOOLS_LSPSERVERSUPPORT_COMPILATIONDATABASE_H_
#include "mlir/Support/LLVM.h"
#include "llvm/ADT/StringMap.h"
#include <memory>
#include <string>
namespace mlir {
namespace lsp {
/// This class contains a collection of compilation information for files
/// provided to the language server, such as the available include directories.
/// This database acts as an aggregate in-memory form of compilation databases
/// used by the current language client. The textual form of a compilation
/// database is a YAML file containing documents of the following form:
///
/// --- !FileInfo:
/// filepath: <string> - Absolute file path of the file.
/// includes: <string> - Semi-colon delimited list of include directories.
///
class CompilationDatabase {
public:
/// Compilation information for a specific file within the database.
struct FileInfo {
FileInfo() = default;
FileInfo(std::vector<std::string> &&includeDirs)
: includeDirs(std::move(includeDirs)) {}
/// The include directories available for the file.
std::vector<std::string> includeDirs;
};
/// Construct a compilation database from the provided files containing YAML
/// descriptions of the database.
CompilationDatabase(ArrayRef<std::string> databases);
/// Get the compilation information for the provided file.
const FileInfo &getFileInfo(StringRef filename) const;
private:
/// Load the given database file into this database.
void loadDatabase(StringRef filename);
/// A map of filename to file information for each known file within the
/// databases.
llvm::StringMap<FileInfo> files;
/// A default file info that contains basic information for use by files that
/// weren't explicitly in the database.
FileInfo defaultFileInfo;
};
} // namespace lsp
} // namespace mlir
#endif // LIB_MLIR_TOOLS_LSPSERVERSUPPORT_COMPILATIONDATABASE_H_