1 //===-- ExpressionTypeSystemHelper.h ---------------------------------*- C++
2 //-*-===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H
11 #define LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H
12 
13 #include "llvm/Support/Casting.h"
14 #include "llvm/Support/ExtensibleRTTI.h"
15 
16 namespace lldb_private {
17 
18 /// \class ExpressionTypeSystemHelper ExpressionTypeSystemHelper.h
19 /// "lldb/Expression/ExpressionTypeSystemHelper.h"
20 /// A helper object that the Expression can pass to its ExpressionParser
21 /// to provide generic information that any type of expression will need to
22 /// supply.  It's only job is to support dyn_cast so that the expression parser
23 /// can cast it back to the requisite specific type.
24 ///
25 
26 class ExpressionTypeSystemHelper
27     : public llvm::RTTIExtends<ExpressionTypeSystemHelper, llvm::RTTIRoot> {
28 public:
29   /// LLVM RTTI support
30   static char ID;
31 
32   virtual ~ExpressionTypeSystemHelper() = default;
33 };
34 
35 } // namespace lldb_private
36 
37 #endif // LLDB_EXPRESSION_EXPRESSIONTYPESYSTEMHELPER_H
38