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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/lldb-forward.h"
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/CommandObject.h"
namespace lldb_private {
class CommandAlias : public CommandObject
{
public:
typedef std::unique_ptr<CommandAlias> UniquePointer;
CommandAlias (CommandInterpreter &interpreter,
lldb::CommandObjectSP cmd_sp,
const char *options_args,
const char *name,
const char *help = nullptr,
const char *syntax = nullptr,
uint32_t flags = 0);
void
GetAliasExpansion (StreamString &help_string);
bool
IsValid ()
{
return m_underlying_command_sp && m_option_args_sp;
}
explicit operator bool ()
{
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;
const char*
GetHelp () override;
const char*
GetHelpLong () override;
void
SetHelp (const char * str) override;
void
SetHelpLong (const char * str) override;
bool
Execute(const char *args_string, CommandReturnObject &result) override;
lldb::CommandObjectSP GetUnderlyingCommand() { return m_underlying_command_sp; }
OptionArgVectorSP GetOptionArguments() { 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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