llvm/clang-tools-extra/clang-tidy/ClangTidyOptions.h

//===--- ClangTidyOptions.h - clang-tidy ------------------------*- 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 LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANGTIDYOPTIONS_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANGTIDYOPTIONS_H

#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MemoryBufferRef.h"
#include "llvm/Support/VirtualFileSystem.h"
#include <functional>
#include <optional>
#include <string>
#include <system_error>
#include <utility>
#include <vector>

namespace clang::tidy {

/// Contains a list of line ranges in a single file.
struct FileFilter { … };

/// Global options. These options are neither stored nor read from
/// configuration files.
struct ClangTidyGlobalOptions { … };

/// Contains options for clang-tidy. These options may be read from
/// configuration files, and may be different for different translation units.
struct ClangTidyOptions { … };

/// Abstract interface for retrieving various ClangTidy options.
class ClangTidyOptionsProvider { … };

/// Implementation of the \c ClangTidyOptionsProvider interface, which
/// returns the same options for all files.
class DefaultOptionsProvider : public ClangTidyOptionsProvider { … };

class FileOptionsBaseProvider : public DefaultOptionsProvider { … };

/// Implementation of ClangTidyOptions interface, which is used for
/// '-config' command-line option.
class ConfigOptionsProvider : public FileOptionsBaseProvider { … };

/// Implementation of the \c ClangTidyOptionsProvider interface, which
/// tries to find a configuration file in the closest parent directory of each
/// source file.
///
/// By default, files named ".clang-tidy" will be considered, and the
/// \c clang::tidy::parseConfiguration function will be used for parsing, but a
/// custom set of configuration file names and parsing functions can be
/// specified using the appropriate constructor.
class FileOptionsProvider : public FileOptionsBaseProvider { … };

/// Parses LineFilter from JSON and stores it to the \p Options.
std::error_code parseLineFilter(llvm::StringRef LineFilter,
                                ClangTidyGlobalOptions &Options);

/// Parses configuration from JSON and returns \c ClangTidyOptions or an
/// error.
llvm::ErrorOr<ClangTidyOptions>
parseConfiguration(llvm::MemoryBufferRef Config);

DiagCallback;

llvm::ErrorOr<ClangTidyOptions>
parseConfigurationWithDiags(llvm::MemoryBufferRef Config, DiagCallback Handler);

/// Serializes configuration to a YAML-encoded string.
std::string configurationAsText(const ClangTidyOptions &Options);

} // namespace clang::tidy

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANGTIDYOPTIONS_H