llvm-project/lldb/tools/lldb-mi/MICmdCmdSupportInfo.cpp

118 lines
3.9 KiB
C++

//===-- MICmdCmdSupportListInfo.cpp -----------------------------*- 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
//
//===----------------------------------------------------------------------===//
// Overview: CMICmdCmdSupportInfoMiCmdQuery implementation.
// In-house headers:
#include "MICmdCmdSupportInfo.h"
#include "MICmdArgValString.h"
#include "MICmdFactory.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnMIValueTuple.h"
//++
// Details: CMICmdCmdSupportInfoMiCmdQuery constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdSupportInfoMiCmdQuery::CMICmdCmdSupportInfoMiCmdQuery()
: m_bCmdFound(false), m_constStrArgCmdName("cmd_name") {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "info-gdb-mi-command";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdSupportInfoMiCmdQuery::CreateSelf;
}
//++
// Details: CMICmdCmdSupportInfoMiCmdQuery destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdSupportInfoMiCmdQuery::~CMICmdCmdSupportInfoMiCmdQuery() {}
//++
// Details: The invoker requires this function. The parses the command line
// options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdSupportInfoMiCmdQuery::ParseArgs() {
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgCmdName, true, true));
return ParseValidateCmdOptions();
}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdSupportInfoMiCmdQuery::Execute() {
CMICMDBASE_GETOPTION(pArgNamedCmdName, String, m_constStrArgCmdName);
const CMIUtilString &rCmdToQuery(pArgNamedCmdName->GetValue());
const MIuint nLen = rCmdToQuery.length();
const CMICmdFactory &rCmdFactory = CMICmdFactory::Instance();
if ((nLen > 1) && (rCmdToQuery[0] == '-'))
m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery.substr(1, nLen - 1).c_str());
else
m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery);
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdSupportInfoMiCmdQuery::Acknowledge() {
const CMICmnMIValueConst miValueConst(m_bCmdFound ? "true" : "false");
const CMICmnMIValueResult miValueResult("exists", miValueConst);
const CMICmnMIValueTuple miValueTuple(miValueResult);
const CMICmnMIValueResult miValueResult2("command", miValueTuple);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult2);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdSupportInfoMiCmdQuery::CreateSelf() {
return new CMICmdCmdSupportInfoMiCmdQuery();
}