1 files changed, 51 insertions, 0 deletions
diff --git a/clang-r353983/include/clang/Tooling/Refactoring/RefactoringResultConsumer.h b/clang-r353983/include/clang/Tooling/Refactoring/RefactoringResultConsumer.h
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+++ b/clang-r353983/include/clang/Tooling/Refactoring/RefactoringResultConsumer.h
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+//===--- RefactoringResultConsumer.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_REFACTOR_REFACTORING_RESULT_CONSUMER_H
+#define LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H
+
+#include "clang/Basic/LLVM.h"
+#include "clang/Tooling/Refactoring/AtomicChange.h"
+#include "clang/Tooling/Refactoring/Rename/SymbolOccurrences.h"
+#include "llvm/Support/Error.h"
+
+namespace clang {
+namespace tooling {
+
+/// An abstract interface that consumes the various refactoring results that can
+/// be produced by refactoring actions.
+///
+/// A valid refactoring result must be handled by a \c handle method.
+class RefactoringResultConsumer {
+public:
+  virtual ~RefactoringResultConsumer() {}
+
+  /// Handles an initiation or an invication error. An initiation error typically
+  /// has a \c DiagnosticError payload that describes why initiation failed.
+  virtual void handleError(llvm::Error Err) = 0;
+
+  /// Handles the source replacements that are produced by a refactoring action.
+  virtual void handle(AtomicChanges SourceReplacements) {
+    defaultResultHandler();
+  }
+
+  /// Handles the symbol occurrences that are found by an interactive
+  /// refactoring action.
+  virtual void handle(SymbolOccurrences Occurrences) { defaultResultHandler(); }
+
+private:
+  void defaultResultHandler() {
+    handleError(llvm::make_error<llvm::StringError>(
+        "unsupported refactoring result", llvm::inconvertibleErrorCode()));
+  }
+};
+
+} // end namespace tooling
+} // end namespace clang
+
+#endif // LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_RESULT_CONSUMER_H