eaf60a4411
This is part 2, covering the commands source. Some uses remain where it's tricky to see what the logic is or they are not used with AppendError. Reviewed By: teemperor Differential Revision: https://reviews.llvm.org/D104448
96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
//===-- CommandObjectApropos.cpp ------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "CommandObjectApropos.h"
|
|
#include "lldb/Interpreter/CommandInterpreter.h"
|
|
#include "lldb/Interpreter/CommandReturnObject.h"
|
|
#include "lldb/Interpreter/Property.h"
|
|
#include "lldb/Utility/Args.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
// CommandObjectApropos
|
|
|
|
CommandObjectApropos::CommandObjectApropos(CommandInterpreter &interpreter)
|
|
: CommandObjectParsed(
|
|
interpreter, "apropos",
|
|
"List debugger commands related to a word or subject.", nullptr) {
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData search_word_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
search_word_arg.arg_type = eArgTypeSearchWord;
|
|
search_word_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the argument
|
|
// entry.
|
|
arg.push_back(search_word_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back(arg);
|
|
}
|
|
|
|
CommandObjectApropos::~CommandObjectApropos() = default;
|
|
|
|
bool CommandObjectApropos::DoExecute(Args &args, CommandReturnObject &result) {
|
|
const size_t argc = args.GetArgumentCount();
|
|
|
|
if (argc == 1) {
|
|
auto search_word = args[0].ref();
|
|
if (!search_word.empty()) {
|
|
// The bulk of the work must be done inside the Command Interpreter,
|
|
// since the command dictionary is private.
|
|
StringList commands_found;
|
|
StringList commands_help;
|
|
|
|
m_interpreter.FindCommandsForApropos(search_word, commands_found,
|
|
commands_help, true, true, true);
|
|
|
|
if (commands_found.GetSize() == 0) {
|
|
result.AppendMessageWithFormat("No commands found pertaining to '%s'. "
|
|
"Try 'help' to see a complete list of "
|
|
"debugger commands.\n",
|
|
args[0].c_str());
|
|
} else {
|
|
if (commands_found.GetSize() > 0) {
|
|
result.AppendMessageWithFormat(
|
|
"The following commands may relate to '%s':\n", args[0].c_str());
|
|
const size_t max_len = commands_found.GetMaxStringLength();
|
|
|
|
for (size_t i = 0; i < commands_found.GetSize(); ++i)
|
|
m_interpreter.OutputFormattedHelpText(
|
|
result.GetOutputStream(), commands_found.GetStringAtIndex(i),
|
|
"--", commands_help.GetStringAtIndex(i), max_len);
|
|
}
|
|
}
|
|
|
|
std::vector<const Property *> properties;
|
|
const size_t num_properties =
|
|
GetDebugger().Apropos(search_word, properties);
|
|
if (num_properties) {
|
|
const bool dump_qualified_name = true;
|
|
result.AppendMessageWithFormatv(
|
|
"\nThe following settings variables may relate to '{0}': \n\n",
|
|
args[0].ref());
|
|
for (size_t i = 0; i < num_properties; ++i)
|
|
properties[i]->DumpDescription(
|
|
m_interpreter, result.GetOutputStream(), 0, dump_qualified_name);
|
|
}
|
|
|
|
result.SetStatus(eReturnStatusSuccessFinishNoResult);
|
|
} else {
|
|
result.AppendError("'' is not a valid search word.\n");
|
|
}
|
|
} else {
|
|
result.AppendError("'apropos' must be called with exactly one argument.\n");
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|