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 | |