//===--- IndexDataConsumer.h - Consumer of indexing information -*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

#ifndef SWIFT_INDEX_INDEXDATACONSUMER_H
#define SWIFT_INDEX_INDEXDATACONSUMER_H

#include "swift/Index/IndexSymbol.h"

namespace swift {
namespace index {

class IndexDataConsumer {
  virtual void anchor();

public:
  enum Action {Skip, Abort, Continue};

  virtual ~IndexDataConsumer() {}

  virtual bool enableWarnings() { return false; }
  virtual bool indexLocals() { return false; }

  virtual void failed(StringRef error) = 0;
  virtual void warning(StringRef warning) {}

  virtual bool recordHash(StringRef hash, bool isKnown) = 0;
  virtual bool startDependency(StringRef name, StringRef path, bool isClangModule,
                               bool isSystem, StringRef hash) = 0;
  virtual bool finishDependency(bool isClangModule) = 0;
  virtual Action startSourceEntity(const IndexSymbol &symbol) = 0;
  virtual bool finishSourceEntity(SymbolInfo symInfo, SymbolRoleSet roles) = 0;

  virtual void finish() {}
};

} // end namespace index
} // end namespace swift

#endif // SWIFT_INDEX_INDEXDATACONSUMER_H