ExpressionTypeSystemHelper.h

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//===-- ExpressionTypeSystemHelper.h ---------------------------------*- 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 LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H
#define LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H
 
#include "llvm/Support/Casting.h"
 
namespace lldb_private {
 
/// \class ExpressionTypeSystemHelper ExpressionTypeSystemHelper.h
/// "lldb/Expression/ExpressionTypeSystemHelper.h"
/// A helper object that the Expression can pass to its ExpressionParser
/// to provide generic information that
/// any type of expression will need to supply.  It's only job is to support
/// dyn_cast so that the expression parser can cast it back to the requisite
/// specific type.
///
 
class ExpressionTypeSystemHelper {
public:
  enum LLVMCastKind {
    eKindClangHelper,
    eKindSwiftHelper,
    eKindGoHelper,
    kNumKinds
  };
 
  LLVMCastKind getKind() const { return m_kind; }
 
  ExpressionTypeSystemHelper(LLVMCastKind kind) : m_kind(kind) {}
 
  ~ExpressionTypeSystemHelper() = default;
 
protected:
  LLVMCastKind m_kind;
};
 
} // namespace lldb_private
 
#endif // LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H