260 lines
9.6 KiB
C++
260 lines
9.6 KiB
C++
//===-- MICmdCmdGdbSet.cpp ------- -------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Overview: CMICmdCmdGdbSet implementation.
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// In-house headers:
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#include "MICmdCmdGdbSet.h"
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#include "MICmnMIResultRecord.h"
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#include "MICmnMIValueConst.h"
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#include "MICmdArgValString.h"
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#include "MICmdArgValListOfN.h"
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#include "MICmdArgValOptionLong.h"
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#include "MICmnLLDBDebugSessionInfo.h"
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// Instantiations:
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const CMICmdCmdGdbSet::MapGdbOptionNameToFnGdbOptionPtr_t CMICmdCmdGdbSet::ms_mapGdbOptionNameToFnGdbOptionPtr = {
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// { "target-async", &CMICmdCmdGdbSet::OptionFnTargetAsync }, // Example code if need to implement GDB set other options
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// { "auto-solib-add", &CMICmdCmdGdbSet::OptionFnAutoSolibAdd }, // Example code if need to implement GDB set other options
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{"solib-search-path", &CMICmdCmdGdbSet::OptionFnSolibSearchPath},
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{"fallback", &CMICmdCmdGdbSet::OptionFnFallback}};
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdCmdGdbSet constructor.
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// Type: Method.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdCmdGdbSet::CMICmdCmdGdbSet(void)
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: m_constStrArgNamedThreadGrp("thread-group")
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, m_constStrArgNamedGdbOption("option")
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, m_bGdbOptionRecognised(true)
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, m_bGdbOptionFnSuccessful(false)
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, m_bGbbOptionFnHasError(false)
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, m_strGdbOptionFnError(MIRSRC(IDS_WORD_ERR_MSG_NOT_IMPLEMENTED_BRKTS))
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{
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// Command factory matches this name with that received from the stdin stream
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m_strMiCmd = "gdb-set";
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// Required by the CMICmdFactory when registering *this command
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m_pSelfCreatorFn = &CMICmdCmdGdbSet::CreateSelf;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdCmdGdbSet destructor.
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// Type: Overrideable.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdCmdGdbSet::~CMICmdCmdGdbSet(void)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: The invoker requires this function. The parses the command line options
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// arguments to extract values for each of those arguments.
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// Type: Overridden.
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// Args: None.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::ParseArgs(void)
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{
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bool bOk = m_setCmdArgs.Add(
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*(new CMICmdArgValOptionLong(m_constStrArgNamedThreadGrp, false, false, CMICmdArgValListBase::eArgValType_ThreadGrp, 1)));
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bOk = bOk &&
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m_setCmdArgs.Add(
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*(new CMICmdArgValListOfN(m_constStrArgNamedGdbOption, true, true, CMICmdArgValListBase::eArgValType_StringAnything)));
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return (bOk && ParseValidateCmdOptions());
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}
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//++ ------------------------------------------------------------------------------------
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// Details: The invoker requires this function. The command does work in this function.
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// The command is likely to communicate with the LLDB SBDebugger in here.
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// Type: Overridden.
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// Args: None.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::Execute(void)
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{
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CMICMDBASE_GETOPTION(pArgGdbOption, ListOfN, m_constStrArgNamedGdbOption);
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const CMICmdArgValListBase::VecArgObjPtr_t &rVecWords(pArgGdbOption->GetExpectedOptions());
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// Get the gdb-set option to carry out
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CMICmdArgValListBase::VecArgObjPtr_t::const_iterator it = rVecWords.begin();
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const CMICmdArgValString *pOption = static_cast<const CMICmdArgValString *>(*it);
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const CMIUtilString strOption(pOption->GetValue());
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++it;
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// Retrieve the parameter(s) for the option
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CMIUtilString::VecString_t vecWords;
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while (it != rVecWords.end())
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{
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const CMICmdArgValString *pWord = static_cast<const CMICmdArgValString *>(*it);
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vecWords.push_back(pWord->GetValue());
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// Next
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++it;
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}
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FnGdbOptionPtr pPrintRequestFn = nullptr;
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if (!GetOptionFn(strOption, pPrintRequestFn))
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{
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// For unimplemented option handlers, fallback on a generic handler
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// ToDo: Remove this when ALL options have been implemented
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if (!GetOptionFn("fallback", pPrintRequestFn))
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{
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m_bGdbOptionRecognised = false;
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m_strGdbOptionName = "fallback"; // This would be the strOption name
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return MIstatus::success;
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}
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}
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m_bGdbOptionFnSuccessful = (this->*(pPrintRequestFn))(vecWords);
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if (!m_bGdbOptionFnSuccessful && !m_bGbbOptionFnHasError)
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return MIstatus::failure;
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return MIstatus::success;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: The invoker requires this function. The command prepares a MI Record Result
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// for the work carried out in the Execute().
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// Type: Overridden.
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// Args: None.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::Acknowledge(void)
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{
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if (!m_bGdbOptionRecognised)
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{
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const CMICmnMIValueConst miValueConst(
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CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INFO_PRINTFN_NOT_FOUND), m_strGdbOptionName.c_str()));
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const CMICmnMIValueResult miValueResult("msg", miValueConst);
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const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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m_miResultRecord = miRecordResult;
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return MIstatus::success;
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}
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if (m_bGdbOptionFnSuccessful)
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{
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const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done);
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m_miResultRecord = miRecordResult;
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return MIstatus::success;
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}
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const CMICmnMIValueConst miValueConst(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INFO_PRINTFN_FAILED), m_strGdbOptionFnError.c_str()));
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const CMICmnMIValueResult miValueResult("msg", miValueConst);
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const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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m_miResultRecord = miRecordResult;
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return MIstatus::success;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Required by the CMICmdFactory when registering *this command. The factory
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// calls this function to create an instance of *this command.
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// Type: Static method.
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// Args: None.
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// Return: CMICmdBase * - Pointer to a new command.
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// Throws: None.
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//--
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CMICmdBase *
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CMICmdCmdGdbSet::CreateSelf(void)
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{
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return new CMICmdCmdGdbSet();
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Retrieve the print function's pointer for the matching print request.
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// Type: Method.
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// Args: vrPrintFnName - (R) The info requested.
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// vrwpFn - (W) The print function's pointer of the function to carry out
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// Return: bool - True = Print request is implemented, false = not found.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::GetOptionFn(const CMIUtilString &vrPrintFnName, FnGdbOptionPtr &vrwpFn) const
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{
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vrwpFn = nullptr;
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const MapGdbOptionNameToFnGdbOptionPtr_t::const_iterator it = ms_mapGdbOptionNameToFnGdbOptionPtr.find(vrPrintFnName);
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if (it != ms_mapGdbOptionNameToFnGdbOptionPtr.end())
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{
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vrwpFn = (*it).second;
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return true;
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}
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return false;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Carry out work to complete the GDB set option 'solib-search-path' to prepare
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// and send back information asked for.
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// Type: Method.
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// Args: vrWords - (R) List of additional parameters used by this option.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::OptionFnSolibSearchPath(const CMIUtilString::VecString_t &vrWords)
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{
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// Check we have at least one argument
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if (vrWords.size() < 1)
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{
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m_bGbbOptionFnHasError = true;
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m_strGdbOptionFnError = MIRSRC(IDS_CMD_ERR_GDBSET_OPT_SOLIBSEARCHPATH);
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return MIstatus::failure;
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}
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const CMIUtilString &rStrValSolibPath(vrWords[0]);
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// Add 'solib-search-path' to the shared data list
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const CMIUtilString &rStrKeySolibPath(m_rLLDBDebugSessionInfo.m_constStrSharedDataSolibPath);
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if (!m_rLLDBDebugSessionInfo.SharedDataAdd<CMIUtilString>(rStrKeySolibPath, rStrValSolibPath))
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{
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m_bGbbOptionFnHasError = false;
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SetError(CMIUtilString::Format(MIRSRC(IDS_DBGSESSION_ERR_SHARED_DATA_ADD), m_cmdData.strMiCmd.c_str(), rStrKeySolibPath.c_str()));
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return MIstatus::failure;
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}
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return MIstatus::success;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Carry out work to complete the GDB set option to prepare and send back information
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// asked for.
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// Type: Method.
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// Args: None.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdCmdGdbSet::OptionFnFallback(const CMIUtilString::VecString_t &vrWords)
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{
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MIunused(vrWords);
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// Do nothing - intentional. This is a fallback temporary action function to do nothing.
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// This allows the search for gdb-set options to always suceed when the option is not
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// found (implemented).
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return MIstatus::success;
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}
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