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//===-- CommandAlias.h -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_CommandAlias_h_
#define liblldb_CommandAlias_h_
// C Includes
// C++ Includes
#include <memory>
// Other libraries and framework includes
// Project includes
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/CommandObject.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;
int HandleCompletion(Args &input, int &cursor_index,
int &cursor_char_position, int match_start_point,
int max_return_elements, bool &word_complete,
StringList &matches) override;
int HandleArgumentCompletion(Args &input, int &cursor_index,
int &cursor_char_position,
OptionElementVector &opt_element_vector,
int match_start_point, int max_return_elements,
bool &word_complete,
StringList &matches) 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_
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