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| //===-- CommandAlias.h -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_CommandAlias_h_
#define liblldb_CommandAlias_h_
#include <memory>
#include "lldb/Interpreter/CommandObject.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/CompletionRequest.h"
#include "lldb/lldb-forward.h"
namespace lldb_private {
class CommandAlias : public CommandObject {
public:
typedef std::unique_ptr<CommandAlias> UniquePointer;
CommandAlias(CommandInterpreter &interpreter, lldb::CommandObjectSP cmd_sp,
llvm::StringRef options_args, llvm::StringRef name,
llvm::StringRef help = llvm::StringRef(),
llvm::StringRef syntax = llvm::StringRef(), uint32_t flags = 0);
void GetAliasExpansion(StreamString &help_string) const;
bool IsValid() const { return m_underlying_command_sp && m_option_args_sp; }
explicit operator bool() const { return IsValid(); }
bool WantsRawCommandString() override;
bool WantsCompletion() override;
void HandleCompletion(CompletionRequest &request) override;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override;
Options *GetOptions() override;
bool IsAlias() override { return true; }
bool IsDashDashCommand() override;
llvm::StringRef GetHelp() override;
llvm::StringRef GetHelpLong() override;
void SetHelp(llvm::StringRef str) override;
void SetHelpLong(llvm::StringRef str) override;
bool Execute(const char *args_string, CommandReturnObject &result) override;
lldb::CommandObjectSP GetUnderlyingCommand() {
return m_underlying_command_sp;
}
OptionArgVectorSP GetOptionArguments() const { return m_option_args_sp; }
const char *GetOptionString() { return m_option_string.c_str(); }
// this takes an alias - potentially nested (i.e. an alias to an alias) and
// expands it all the way to a non-alias command
std::pair<lldb::CommandObjectSP, OptionArgVectorSP> Desugar();
protected:
bool IsNestedAlias();
private:
lldb::CommandObjectSP m_underlying_command_sp;
std::string m_option_string;
OptionArgVectorSP m_option_args_sp;
LazyBool m_is_dashdash_alias;
bool m_did_set_help : 1;
bool m_did_set_help_long : 1;
};
} // namespace lldb_private
#endif // liblldb_CommandAlias_h_
|