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_
15 #include "lldb/Interpreter/CommandObject.h"
16 #include "lldb/Utility/Args.h"
17 #include "lldb/Utility/CompletionRequest.h"
18 #include "lldb/lldb-forward.h"
20 namespace lldb_private {
21 class CommandAlias : public CommandObject {
23 typedef std::unique_ptr<CommandAlias> UniquePointer;
25 CommandAlias(CommandInterpreter &interpreter, lldb::CommandObjectSP cmd_sp,
26 llvm::StringRef options_args, llvm::StringRef name,
27 llvm::StringRef help = llvm::StringRef(),
28 llvm::StringRef syntax = llvm::StringRef(), uint32_t flags = 0);
30 void GetAliasExpansion(StreamString &help_string) const;
32 bool IsValid() const { return m_underlying_command_sp && m_option_args_sp; }
34 explicit operator bool() const { return IsValid(); }
36 bool WantsRawCommandString() override;
38 bool WantsCompletion() override;
40 int HandleCompletion(CompletionRequest &request) override;
42 int HandleArgumentCompletion(
43 CompletionRequest &request,
44 OptionElementVector &opt_element_vector) override;
46 Options *GetOptions() override;
48 bool IsAlias() override { return true; }
50 bool IsDashDashCommand() override;
52 llvm::StringRef GetHelp() override;
54 llvm::StringRef GetHelpLong() override;
56 void SetHelp(llvm::StringRef str) override;
58 void SetHelpLong(llvm::StringRef str) override;
60 bool Execute(const char *args_string, CommandReturnObject &result) override;
62 lldb::CommandObjectSP GetUnderlyingCommand() {
63 return m_underlying_command_sp;
65 OptionArgVectorSP GetOptionArguments() const { return m_option_args_sp; }
66 const char *GetOptionString() { return m_option_string.c_str(); }
68 // this takes an alias - potentially nested (i.e. an alias to an alias) and
69 // expands it all the way to a non-alias command
70 std::pair<lldb::CommandObjectSP, OptionArgVectorSP> Desugar();
76 lldb::CommandObjectSP m_underlying_command_sp;
77 std::string m_option_string;
78 OptionArgVectorSP m_option_args_sp;
79 LazyBool m_is_dashdash_alias;
80 bool m_did_set_help : 1;
81 bool m_did_set_help_long : 1;
83 } // namespace lldb_private
85 #endif // liblldb_CommandAlias_h_