1 //===-- CommandAlias.h -----------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_CommandAlias_h_
11 #define liblldb_CommandAlias_h_
17 // Other libraries and framework includes
19 #include "lldb/Interpreter/CommandObject.h"
20 #include "lldb/Utility/Args.h"
21 #include "lldb/Utility/CompletionRequest.h"
22 #include "lldb/lldb-forward.h"
24 namespace lldb_private {
25 class CommandAlias : public CommandObject {
27 typedef std::unique_ptr<CommandAlias> UniquePointer;
29 CommandAlias(CommandInterpreter &interpreter, lldb::CommandObjectSP cmd_sp,
30 llvm::StringRef options_args, llvm::StringRef name,
31 llvm::StringRef help = llvm::StringRef(),
32 llvm::StringRef syntax = llvm::StringRef(), uint32_t flags = 0);
34 void GetAliasExpansion(StreamString &help_string) const;
36 bool IsValid() const { return m_underlying_command_sp && m_option_args_sp; }
38 explicit operator bool() const { return IsValid(); }
40 bool WantsRawCommandString() override;
42 bool WantsCompletion() override;
44 int HandleCompletion(CompletionRequest &request) override;
46 int HandleArgumentCompletion(
47 CompletionRequest &request,
48 OptionElementVector &opt_element_vector) override;
50 Options *GetOptions() override;
52 bool IsAlias() override { return true; }
54 bool IsDashDashCommand() override;
56 llvm::StringRef GetHelp() override;
58 llvm::StringRef GetHelpLong() override;
60 void SetHelp(llvm::StringRef str) override;
62 void SetHelpLong(llvm::StringRef str) override;
64 bool Execute(const char *args_string, CommandReturnObject &result) override;
66 lldb::CommandObjectSP GetUnderlyingCommand() {
67 return m_underlying_command_sp;
69 OptionArgVectorSP GetOptionArguments() const { return m_option_args_sp; }
70 const char *GetOptionString() { return m_option_string.c_str(); }
72 // this takes an alias - potentially nested (i.e. an alias to an alias) and
73 // expands it all the way to a non-alias command
74 std::pair<lldb::CommandObjectSP, OptionArgVectorSP> Desugar();
80 lldb::CommandObjectSP m_underlying_command_sp;
81 std::string m_option_string;
82 OptionArgVectorSP m_option_args_sp;
83 LazyBool m_is_dashdash_alias;
84 bool m_did_set_help : 1;
85 bool m_did_set_help_long : 1;
87 } // namespace lldb_private
89 #endif // liblldb_CommandAlias_h_