1 | //===-- ResponseHandler.h -------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef LLDB_TOOLS_LLDB_DAP_HANDLER_RESPONSEHANDLER_H |
10 | #define LLDB_TOOLS_LLDB_DAP_HANDLER_RESPONSEHANDLER_H |
11 | |
12 | #include "llvm/ADT/StringRef.h" |
13 | #include "llvm/Support/JSON.h" |
14 | #include <cstdint> |
15 | |
16 | namespace lldb_dap { |
17 | struct DAP; |
18 | |
19 | /// Handler for responses to reverse requests. |
20 | class ResponseHandler { |
21 | public: |
22 | ResponseHandler(llvm::StringRef command, int64_t id) |
23 | : m_command(command), m_id(id) {} |
24 | |
25 | /// ResponseHandlers are not copyable. |
26 | /// @{ |
27 | ResponseHandler(const ResponseHandler &) = delete; |
28 | ResponseHandler &operator=(const ResponseHandler &) = delete; |
29 | /// @} |
30 | |
31 | virtual ~ResponseHandler() = default; |
32 | |
33 | virtual void operator()(llvm::Expected<llvm::json::Value> value) const = 0; |
34 | |
35 | protected: |
36 | llvm::StringRef m_command; |
37 | int64_t m_id; |
38 | }; |
39 | |
40 | /// Response handler used for unknown responses. |
41 | class UnknownResponseHandler : public ResponseHandler { |
42 | public: |
43 | using ResponseHandler::ResponseHandler; |
44 | void operator()(llvm::Expected<llvm::json::Value> value) const override; |
45 | }; |
46 | |
47 | /// Response handler which logs to stderr in case of a failure. |
48 | class LogFailureResponseHandler : public ResponseHandler { |
49 | public: |
50 | using ResponseHandler::ResponseHandler; |
51 | void operator()(llvm::Expected<llvm::json::Value> value) const override; |
52 | }; |
53 | |
54 | } // namespace lldb_dap |
55 | |
56 | #endif |
57 | |