llvm-project/lldb/source/Commands/CommandObjectHelp.h

88 lines
2.3 KiB
C++

//===-- CommandObjectHelp.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 LLDB_SOURCE_COMMANDS_COMMANDOBJECTHELP_H
#define LLDB_SOURCE_COMMANDS_COMMANDOBJECTHELP_H
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandObject.h"
#include "lldb/Interpreter/Options.h"
namespace lldb_private {
// CommandObjectHelp
class CommandObjectHelp : public CommandObjectParsed {
public:
CommandObjectHelp(CommandInterpreter &interpreter);
~CommandObjectHelp() override;
void HandleCompletion(CompletionRequest &request) override;
static void GenerateAdditionalHelpAvenuesMessage(
Stream *s, llvm::StringRef command, llvm::StringRef prefix,
llvm::StringRef subcommand, bool include_upropos = true,
bool include_type_lookup = true);
class CommandOptions : public Options {
public:
CommandOptions() {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'a':
m_show_aliases = false;
break;
case 'u':
m_show_user_defined = false;
break;
case 'h':
m_show_hidden = true;
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_show_aliases = true;
m_show_user_defined = true;
m_show_hidden = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override;
// Instance variables to hold the values for command options.
bool m_show_aliases;
bool m_show_user_defined;
bool m_show_hidden;
};
Options *GetOptions() override { return &m_options; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override;
private:
CommandOptions m_options;
};
} // namespace lldb_private
#endif // LLDB_SOURCE_COMMANDS_COMMANDOBJECTHELP_H