//===--- RefactoringAction.h - Clang refactoring library ------------------===//
//
// 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_TOOLING_REFACTORING_REFACTORINGACTION_H
#define LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGACTION_H
#include "clang/Basic/LLVM.h"
#include "clang/Tooling/Refactoring/RefactoringActionRules.h"
#include <vector>
namespace clang {
namespace tooling {
/// A refactoring action is a class that defines a set of related refactoring
/// action rules. These rules get grouped under a common umbrella - a single
/// clang-refactor subcommand.
///
/// A subclass of \c RefactoringAction is responsible for creating the set of
/// grouped refactoring action rules that represent one refactoring operation.
/// Although the rules in one action may have a number of different
/// implementations, they should strive to produce a similar result. It should
/// be easy for users to identify which refactoring action produced the result
/// regardless of which refactoring action rule was used.
///
/// The distinction between actions and rules enables the creation of action
/// that uses very different rules, for example:
/// - local vs global: a refactoring operation like
/// "add missing switch cases" can be applied to one switch when it's
/// selected in an editor, or to all switches in a project when an enum
/// constant is added to an enum.
/// - tool vs editor: some refactoring operation can be initiated in the
/// editor when a declaration is selected, or in a tool when the name of
/// the declaration is passed using a command-line argument.
class RefactoringAction {
public:
virtual ~RefactoringAction() {}
/// Returns the name of the subcommand that's used by clang-refactor for this
/// action.
virtual StringRef getCommand() const = 0;
virtual StringRef getDescription() const = 0;
RefactoringActionRules createActiveActionRules();
protected:
/// Returns a set of refactoring actions rules that are defined by this
/// action.
virtual RefactoringActionRules createActionRules() const = 0;
};
/// Returns the list of all the available refactoring actions.
std::vector<std::unique_ptr<RefactoringAction>> createRefactoringActions();
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGACTION_H