1 //===-- CommandAlias.h -----------------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef liblldb_CommandAlias_h_
10 #define liblldb_CommandAlias_h_
14 #include "lldb/Interpreter/CommandObject.h"
15 #include "lldb/Utility/Args.h"
16 #include "lldb/Utility/CompletionRequest.h"
17 #include "lldb/lldb-forward.h"
19 namespace lldb_private {
20 class CommandAlias : public CommandObject {
22 typedef std::unique_ptr<CommandAlias> UniquePointer;
24 CommandAlias(CommandInterpreter &interpreter, lldb::CommandObjectSP cmd_sp,
25 llvm::StringRef options_args, llvm::StringRef name,
26 llvm::StringRef help = llvm::StringRef(),
27 llvm::StringRef syntax = llvm::StringRef(), uint32_t flags = 0);
29 void GetAliasExpansion(StreamString &help_string) const;
31 bool IsValid() const { return m_underlying_command_sp && m_option_args_sp; }
33 explicit operator bool() const { return IsValid(); }
35 bool WantsRawCommandString() override;
37 bool WantsCompletion() override;
39 void HandleCompletion(CompletionRequest &request) override;
42 HandleArgumentCompletion(CompletionRequest &request,
43 OptionElementVector &opt_element_vector) override;
45 Options *GetOptions() override;
47 bool IsAlias() override { return true; }
49 bool IsDashDashCommand() override;
51 llvm::StringRef GetHelp() override;
53 llvm::StringRef GetHelpLong() override;
55 void SetHelp(llvm::StringRef str) override;
57 void SetHelpLong(llvm::StringRef str) override;
59 bool Execute(const char *args_string, CommandReturnObject &result) override;
61 lldb::CommandObjectSP GetUnderlyingCommand() {
62 return m_underlying_command_sp;
64 OptionArgVectorSP GetOptionArguments() const { return m_option_args_sp; }
65 const char *GetOptionString() { return m_option_string.c_str(); }
67 // this takes an alias - potentially nested (i.e. an alias to an alias) and
68 // expands it all the way to a non-alias command
69 std::pair<lldb::CommandObjectSP, OptionArgVectorSP> Desugar();
75 lldb::CommandObjectSP m_underlying_command_sp;
76 std::string m_option_string;
77 OptionArgVectorSP m_option_args_sp;
78 LazyBool m_is_dashdash_alias;
79 bool m_did_set_help : 1;
80 bool m_did_set_help_long : 1;
82 } // namespace lldb_private
84 #endif // liblldb_CommandAlias_h_