1 //===--- RefactoringResultConsumer.h - Clang refactoring library ----------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
10 #define LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
12 #include "clang/Basic/LLVM.h"
13 #include "clang/Tooling/Refactoring/AtomicChange.h"
14 #include "clang/Tooling/Refactoring/Rename/SymbolOccurrences.h"
15 #include "llvm/Support/Error.h"
20 /// An abstract interface that consumes the various refactoring results that can
21 /// be produced by refactoring actions.
23 /// A valid refactoring result must be handled by a \c handle method.
24 class RefactoringResultConsumer {
26 virtual ~RefactoringResultConsumer() {}
28 /// Handles an initiation or an invication error. An initiation error typically
29 /// has a \c DiagnosticError payload that describes why initiation failed.
30 virtual void handleError(llvm::Error Err) = 0;
32 /// Handles the source replacements that are produced by a refactoring action.
33 virtual void handle(AtomicChanges SourceReplacements) {
34 defaultResultHandler();
37 /// Handles the symbol occurrences that are found by an interactive
38 /// refactoring action.
39 virtual void handle(SymbolOccurrences Occurrences) { defaultResultHandler(); }
42 void defaultResultHandler() {
43 handleError(llvm::make_error<llvm::StringError>(
44 "unsupported refactoring result", llvm::inconvertibleErrorCode()));
48 } // end namespace tooling
49 } // end namespace clang
51 #endif // LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H