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

1512 lines
57 KiB
C++

//===-- MICmdCmdVar.cpp -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Overview: CMICmdCmdVarCreate implementation.
// CMICmdCmdVarUpdate implementation.
// CMICmdCmdVarDelete implementation.
// CMICmdCmdVarAssign implementation.
// CMICmdCmdVarSetFormat implementation.
// CMICmdCmdVarListChildren implementation.
// CMICmdCmdVarEvaluateExpression implementation.
// CMICmdCmdVarInfoPathExpression implementation.
// CMICmdCmdVarShowAttributes implementation.
// Third Party Headers:
#include "lldb/API/SBStream.h"
#include "lldb/API/SBType.h"
#include "lldb/API/SBThread.h"
// In-house headers:
#include "MICmdCmdVar.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmdArgValNumber.h"
#include "MICmdArgValString.h"
#include "MICmdArgValThreadGrp.h"
#include "MICmdArgValOptionLong.h"
#include "MICmdArgValOptionShort.h"
#include "MICmdArgValPrintValues.h"
#include "MICmdArgValListOfN.h"
#include "MICmnLLDBProxySBValue.h"
#include "MICmnLLDBUtilSBValue.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarCreate constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarCreate::CMICmdCmdVarCreate()
: m_nChildren(0)
, m_nThreadId(0)
, m_strType("??")
, m_bValid(false)
, m_strValue("??")
, m_constStrArgThread("thread")
, m_constStrArgThreadGroup("thread-group")
, m_constStrArgFrame("frame")
, m_constStrArgName("name")
, m_constStrArgFrameAddr("frame-addr")
, m_constStrArgExpression("expression")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-create";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarCreate::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarCreate destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarCreate::~CMICmdCmdVarCreate()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarCreate::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValOptionLong(m_constStrArgThread, false, true, CMICmdArgValListBase::eArgValType_Number, 1));
m_setCmdArgs.Add(
new CMICmdArgValOptionLong(m_constStrArgThreadGroup, false, false, CMICmdArgValListBase::eArgValType_ThreadGrp, 1));
m_setCmdArgs.Add(new CMICmdArgValOptionLong(m_constStrArgFrame, false, true, CMICmdArgValListBase::eArgValType_Number, 1));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, false, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgFrameAddr, false, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgExpression, true, true, 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
CMICmdCmdVarCreate::Execute()
{
CMICMDBASE_GETOPTION(pArgThread, OptionLong, m_constStrArgThread);
CMICMDBASE_GETOPTION(pArgFrame, OptionLong, m_constStrArgFrame);
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
CMICMDBASE_GETOPTION(pArgFrameAddr, String, m_constStrArgFrameAddr);
CMICMDBASE_GETOPTION(pArgExpression, String, m_constStrArgExpression);
// Retrieve the --thread option's thread ID (only 1)
MIuint64 nThreadId = UINT64_MAX;
if (pArgThread->GetFound() && !pArgThread->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nThreadId))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND), m_cmdData.strMiCmd.c_str(), m_constStrArgThread.c_str()));
return MIstatus::failure;
}
// Retrieve the --frame option's number
MIuint64 nFrame = UINT64_MAX;
if (pArgThread->GetFound() && !pArgFrame->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nFrame))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND), m_cmdData.strMiCmd.c_str(), m_constStrArgFrame.c_str()));
return MIstatus::failure;
}
const CMICmdArgValOptionLong::VecArgObjPtr_t &rVecFrameId(pArgFrame->GetExpectedOptions());
CMICmdArgValOptionLong::VecArgObjPtr_t::const_iterator it2 = rVecFrameId.begin();
if (it2 != rVecFrameId.end())
{
const CMICmdArgValNumber *pOption = static_cast<CMICmdArgValNumber *>(*it2);
nFrame = pOption->GetValue();
}
m_strVarName = "<unnamedvariable>";
if (pArgName->GetFound())
{
const CMIUtilString &rArg = pArgName->GetValue();
const bool bAutoName = (rArg == "-");
if (bAutoName)
{
m_strVarName = CMIUtilString::Format("var%u", CMICmnLLDBDebugSessionInfoVarObj::VarObjIdGet());
CMICmnLLDBDebugSessionInfoVarObj::VarObjIdInc();
}
else
m_strVarName = rArg;
}
bool bCurrentFrame = false;
if (pArgFrameAddr->GetFound())
{
const CMIUtilString &rStrFrameAddr(pArgFrameAddr->GetValue());
bCurrentFrame = CMIUtilString::Compare(rStrFrameAddr, "*");
if (!bCurrentFrame && (nFrame == UINT64_MAX))
{
//FIXME: *addr isn't implemented. Exit with error if --thread isn't specified.
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND), m_cmdData.strMiCmd.c_str(), m_constStrArgFrame.c_str()));
return MIstatus::failure;
}
}
const CMIUtilString &rStrExpression(pArgExpression->GetValue());
m_strExpression = rStrExpression;
CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
lldb::SBThread thread = (nThreadId != UINT64_MAX) ? sbProcess.GetThreadByIndexID(nThreadId) : sbProcess.GetSelectedThread();
m_nThreadId = thread.GetIndexID();
lldb::SBFrame frame = bCurrentFrame ? thread.GetSelectedFrame() : thread.GetFrameAtIndex(nFrame);
lldb::SBValue value;
if (rStrExpression[0] == '$')
{
const CMIUtilString rStrRegister(rStrExpression.substr(1).c_str());
value = frame.FindRegister(rStrRegister.c_str());
}
else
{
const bool bArgs = true;
const bool bLocals = true;
const bool bStatics = true;
const bool bInScopeOnly = false;
const lldb::SBValueList valueList = frame.GetVariables(bArgs, bLocals, bStatics, bInScopeOnly);
value = valueList.GetFirstValueByName(rStrExpression.c_str());
}
if (!value.IsValid())
value = frame.EvaluateExpression(rStrExpression.c_str());
if (value.IsValid() && value.GetError().Success())
{
CompleteSBValue(value);
m_bValid = true;
m_nChildren = value.GetNumChildren();
m_strType = CMICmnLLDBUtilSBValue(value).GetTypeNameDisplay();
// This gets added to CMICmnLLDBDebugSessionInfoVarObj static container of varObjs
CMICmnLLDBDebugSessionInfoVarObj varObj(rStrExpression, m_strVarName, value);
m_strValue = varObj.GetValueFormatted();
}
else
{
lldb::SBStream err;
if (value.GetError().GetDescription(err))
m_strValue = err.GetData();
}
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
CMICmdCmdVarCreate::Acknowledge()
{
if (m_bValid)
{
// MI print "%s^done,name=\"%s\",numchild=\"%d\",value=\"%s\",type=\"%s\",thread-id=\"%llu\",has_more=\"%u\""
const CMICmnMIValueConst miValueConst(m_strVarName);
CMICmnMIValueResult miValueResultAll("name", miValueConst);
const CMIUtilString strNumChild(CMIUtilString::Format("%d", m_nChildren));
const CMICmnMIValueConst miValueConst2(strNumChild);
miValueResultAll.Add("numchild", miValueConst2);
const CMICmnMIValueConst miValueConst3(m_strValue);
miValueResultAll.Add("value", miValueConst3);
const CMICmnMIValueConst miValueConst4(m_strType);
miValueResultAll.Add("type", miValueConst4);
const CMIUtilString strThreadId(CMIUtilString::Format("%llu", m_nThreadId));
const CMICmnMIValueConst miValueConst5(strThreadId);
miValueResultAll.Add("thread-id", miValueConst5);
const CMICmnMIValueConst miValueConst6("0");
miValueResultAll.Add("has_more", miValueConst6);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResultAll);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
CMIUtilString strErrMsg(m_strValue);
if (m_strValue.empty())
strErrMsg = CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_CREATION_FAILED), m_strExpression.c_str());
const CMICmnMIValueConst miValueConst(strErrMsg.Escape(true /* vbEscapeQuotes */));
CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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 *
CMICmdCmdVarCreate::CreateSelf()
{
return new CMICmdCmdVarCreate();
}
//++ ------------------------------------------------------------------------------------
// Details: Complete SBValue object and its children to get SBValue::GetValueDidChange
// work.
// Type: Method.
// Args: vrwValue - (R) Value to update.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
void
CMICmdCmdVarCreate::CompleteSBValue(lldb::SBValue &vrwValue)
{
// Force a value to update
vrwValue.GetValueDidChange();
// And update its children
lldb::SBType valueType = vrwValue.GetType();
if (!valueType.IsPointerType() && !valueType.IsReferenceType())
{
const MIuint nChildren = vrwValue.GetNumChildren();
for (MIuint i = 0; i < nChildren; ++i)
{
lldb::SBValue member = vrwValue.GetChildAtIndex(i);
if (member.IsValid())
CompleteSBValue(member);
}
}
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarUpdate constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarUpdate::CMICmdCmdVarUpdate()
: m_constStrArgPrintValues("print-values")
, m_constStrArgName("name")
, m_bValueChanged(false)
, m_miValueList(true)
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-update";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarUpdate::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarUpdate destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarUpdate::~CMICmdCmdVarUpdate()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarUpdate::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValPrintValues(m_constStrArgPrintValues, false, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, 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
CMICmdCmdVarUpdate::Execute()
{
CMICMDBASE_GETOPTION(pArgPrintValues, PrintValues, m_constStrArgPrintValues);
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
CMICmnLLDBDebugSessionInfo::VariableInfoFormat_e eVarInfoFormat = CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_NoValues;
if (pArgPrintValues->GetFound())
eVarInfoFormat = static_cast<CMICmnLLDBDebugSessionInfo::VariableInfoFormat_e>(pArgPrintValues->GetValue());
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
lldb::SBValue &rValue = varObj.GetValue();
if (!ExamineSBValueForChange(rValue, m_bValueChanged))
return MIstatus::failure;
if (m_bValueChanged)
{
varObj.UpdateValue();
const bool bPrintValue((eVarInfoFormat == CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_AllValues) ||
(eVarInfoFormat == CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_SimpleValues && rValue.GetNumChildren() == 0));
const CMIUtilString strValue(bPrintValue ? varObj.GetValueFormatted() : "");
const CMIUtilString strInScope(rValue.IsInScope() ? "true" : "false");
MIFormResponse(rVarObjName, bPrintValue ? strValue.c_str() : nullptr, strInScope);
}
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
CMICmdCmdVarUpdate::Acknowledge()
{
if (m_bValueChanged)
{
// MI print "%s^done,changelist=[{name=\"%s\",value=\"%s\",in_scope=\"%s\",type_changed=\"false\",has_more=\"0\"}]"
CMICmnMIValueResult miValueResult("changelist", m_miValueList);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
m_miResultRecord = miRecordResult;
}
else
{
// MI print "%s^done,changelist=[]"
const CMICmnMIValueList miValueList(true);
CMICmnMIValueResult miValueResult6("changelist", miValueList);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult6);
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 *
CMICmdCmdVarUpdate::CreateSelf()
{
return new CMICmdCmdVarUpdate();
}
//++ ------------------------------------------------------------------------------------
// Details: Form the MI response for multiple variables.
// Type: Method.
// Args: vrStrVarName - (R) Session var object's name.
// vpValue - (R) Text version of the value held in the variable.
// vrStrScope - (R) In scope "yes" or "no".
// Return: None.
// Throws: None.
//--
void
CMICmdCmdVarUpdate::MIFormResponse(const CMIUtilString &vrStrVarName, const char *const vpValue, const CMIUtilString &vrStrScope)
{
// MI print "[{name=\"%s\",value=\"%s\",in_scope=\"%s\",type_changed=\"false\",has_more=\"0\"}]"
const CMICmnMIValueConst miValueConst(vrStrVarName);
const CMICmnMIValueResult miValueResult("name", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
if (vpValue != nullptr)
{
const CMICmnMIValueConst miValueConst2(vpValue);
const CMICmnMIValueResult miValueResult2("value", miValueConst2);
miValueTuple.Add(miValueResult2);
}
const CMICmnMIValueConst miValueConst3(vrStrScope);
const CMICmnMIValueResult miValueResult3("in_scope", miValueConst3);
miValueTuple.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4("false");
const CMICmnMIValueResult miValueResult4("type_changed", miValueConst4);
miValueTuple.Add(miValueResult4);
const CMICmnMIValueConst miValueConst5("0");
const CMICmnMIValueResult miValueResult5("has_more", miValueConst5);
miValueTuple.Add(miValueResult5);
m_miValueList.Add(miValueTuple);
}
//++ ------------------------------------------------------------------------------------
// Details: Determine if the var object was changed.
// Type: Method.
// Args: vrVarObj - (R) Session var object to examine.
// vrwbChanged - (W) True = The var object was changed,
// False = It was not changed.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdCmdVarUpdate::ExamineSBValueForChange(lldb::SBValue &vrwValue, bool &vrwbChanged)
{
if (vrwValue.GetValueDidChange())
{
vrwbChanged = true;
return MIstatus::success;
}
lldb::SBType valueType = vrwValue.GetType();
if (!valueType.IsPointerType() && !valueType.IsReferenceType())
{
const MIuint nChildren = vrwValue.GetNumChildren();
for (MIuint i = 0; i < nChildren; ++i)
{
lldb::SBValue member = vrwValue.GetChildAtIndex(i);
if (!member.IsValid())
continue;
if (member.GetValueDidChange())
{
vrwbChanged = true;
return MIstatus::success;
}
else if (ExamineSBValueForChange(member, vrwbChanged) && vrwbChanged)
// Handle composite types (i.e. struct or arrays)
return MIstatus::success;
}
}
vrwbChanged = false;
return MIstatus::success;
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarDelete constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarDelete::CMICmdCmdVarDelete()
: m_constStrArgName("name")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-delete";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarDelete::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarDelete::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, true, true));
return ParseValidateCmdOptions();
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarDelete destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarDelete::~CMICmdCmdVarDelete()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarDelete::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj::VarObjDelete(rVarObjName);
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
CMICmdCmdVarDelete::Acknowledge()
{
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done);
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 *
CMICmdCmdVarDelete::CreateSelf()
{
return new CMICmdCmdVarDelete();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarAssign constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarAssign::CMICmdCmdVarAssign()
: m_bOk(true)
, m_constStrArgName("name")
, m_constStrArgExpression("expression")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-assign";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarAssign::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarAssign destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarAssign::~CMICmdCmdVarAssign()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarAssign::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, true, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgExpression, 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
CMICmdCmdVarAssign::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
CMICMDBASE_GETOPTION(pArgExpression, String, m_constStrArgExpression);
const CMIUtilString &rVarObjName(pArgName->GetValue());
const CMIUtilString &rExpression(pArgExpression->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
m_varObjName = rVarObjName;
CMIUtilString strExpression(rExpression.Trim());
strExpression = strExpression.Trim('"');
lldb::SBValue &rValue(const_cast<lldb::SBValue &>(varObj.GetValue()));
m_bOk = rValue.SetValueFromCString(strExpression.c_str());
if (m_bOk)
varObj.UpdateValue();
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
CMICmdCmdVarAssign::Acknowledge()
{
if (m_bOk)
{
// MI print "%s^done,value=\"%s\""
CMICmnLLDBDebugSessionInfoVarObj varObj;
CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(m_varObjName, varObj);
const CMICmnMIValueConst miValueConst(varObj.GetValueFormatted());
const CMICmnMIValueResult miValueResult("value", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst("expression could not be evaluated");
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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 *
CMICmdCmdVarAssign::CreateSelf()
{
return new CMICmdCmdVarAssign();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarSetFormat constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarSetFormat::CMICmdCmdVarSetFormat()
: m_constStrArgName("name")
, m_constStrArgFormatSpec("format-spec")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-set-format";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarSetFormat::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarSetFormat destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarSetFormat::~CMICmdCmdVarSetFormat()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarSetFormat::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, true, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgFormatSpec, 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
CMICmdCmdVarSetFormat::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
CMICMDBASE_GETOPTION(pArgFormatSpec, String, m_constStrArgFormatSpec);
const CMIUtilString &rVarObjName(pArgName->GetValue());
const CMIUtilString &rExpression(pArgFormatSpec->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
if (!varObj.SetVarFormat(CMICmnLLDBDebugSessionInfoVarObj::GetVarFormatForString(rExpression)))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_ENUM_INVALID), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str(),
rExpression.c_str()));
return MIstatus::failure;
}
varObj.UpdateValue();
m_varObjName = rVarObjName;
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
CMICmdCmdVarSetFormat::Acknowledge()
{
// MI print "%s^done,changelist=[{name=\"%s\",value=\"%s\",in_scope=\"%s\",type_changed=\"false\",has_more=\"0\"}]"
CMICmnLLDBDebugSessionInfoVarObj varObj;
CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(m_varObjName, varObj);
const CMICmnMIValueConst miValueConst(m_varObjName);
const CMICmnMIValueResult miValueResult("name", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
const CMICmnMIValueConst miValueConst2(varObj.GetValueFormatted());
const CMICmnMIValueResult miValueResult2("value", miValueConst2);
miValueTuple.Add(miValueResult2);
lldb::SBValue &rValue = const_cast<lldb::SBValue &>(varObj.GetValue());
const CMICmnMIValueConst miValueConst3(rValue.IsInScope() ? "true" : "false");
const CMICmnMIValueResult miValueResult3("in_scope", miValueConst3);
miValueTuple.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4("false");
const CMICmnMIValueResult miValueResult4("type_changed", miValueConst4);
miValueTuple.Add(miValueResult4);
const CMICmnMIValueConst miValueConst5("0");
const CMICmnMIValueResult miValueResult5("type_changed", miValueConst5);
miValueTuple.Add(miValueResult5);
const CMICmnMIValueList miValueList(miValueTuple);
const CMICmnMIValueResult miValueResult6("changelist", miValueList);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult6);
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 *
CMICmdCmdVarSetFormat::CreateSelf()
{
return new CMICmdCmdVarSetFormat();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarListChildren constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarListChildren::CMICmdCmdVarListChildren()
: m_constStrArgPrintValues("print-values")
, m_constStrArgName("name")
, m_constStrArgFrom("from")
, m_constStrArgTo("to")
, m_bValueValid(false)
, m_nChildren(0)
, m_miValueList(true)
, m_bHasMore(false)
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-list-children";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarListChildren::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarListChildren destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarListChildren::~CMICmdCmdVarListChildren()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarListChildren::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValPrintValues(m_constStrArgPrintValues, false, true));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, true, true));
m_setCmdArgs.Add(new CMICmdArgValNumber(m_constStrArgFrom, false, true));
m_setCmdArgs.Add(new CMICmdArgValNumber(m_constStrArgTo, false, 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
CMICmdCmdVarListChildren::Execute()
{
CMICMDBASE_GETOPTION(pArgPrintValues, PrintValues, m_constStrArgPrintValues);
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
CMICMDBASE_GETOPTION(pArgFrom, Number, m_constStrArgFrom);
CMICMDBASE_GETOPTION(pArgTo, Number, m_constStrArgTo);
CMICmnLLDBDebugSessionInfo::VariableInfoFormat_e eVarInfoFormat = CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_NoValues;
if (pArgPrintValues->GetFound())
eVarInfoFormat = static_cast<CMICmnLLDBDebugSessionInfo::VariableInfoFormat_e>(pArgPrintValues->GetValue());
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
MIuint nFrom = 0;
MIuint nTo = UINT32_MAX;
if (pArgFrom->GetFound() && pArgTo->GetFound())
{
nFrom = pArgFrom->GetValue();
nTo = pArgTo->GetValue();
}
else if (pArgFrom->GetFound() || pArgTo->GetFound())
{
// Only from or to was specified but both are required
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_CHILD_RANGE_INVALID), m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
lldb::SBValue &rValue = const_cast<lldb::SBValue &>(varObj.GetValue());
m_bValueValid = rValue.IsValid();
if (!m_bValueValid)
return MIstatus::success;
const MIuint nChildren = rValue.GetNumChildren();
m_bHasMore = nTo < nChildren;
nTo = std::min(nTo, nChildren);
m_nChildren = nFrom < nTo ? nTo - nFrom : 0;
for (MIuint i = nFrom; i < nTo; i++)
{
lldb::SBValue member = rValue.GetChildAtIndex(i);
const CMICmnLLDBUtilSBValue utilValue(member);
const CMIUtilString strExp = utilValue.GetName();
const CMIUtilString name(CMIUtilString::Format("%s.%s", rVarObjName.c_str(), strExp.c_str()));
const MIuint nChildren = member.GetNumChildren();
const CMIUtilString strThreadId(CMIUtilString::Format("%u", member.GetThread().GetIndexID()));
// Varobj gets added to CMICmnLLDBDebugSessionInfoVarObj static container of varObjs
CMICmnLLDBDebugSessionInfoVarObj var(strExp, name, member, rVarObjName);
// MI print "child={name=\"%s\",exp=\"%s\",numchild=\"%d\",value=\"%s\",type=\"%s\",thread-id=\"%u\",has_more=\"%u\"}"
const CMICmnMIValueConst miValueConst(name);
const CMICmnMIValueResult miValueResult("name", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
const CMICmnMIValueConst miValueConst2(strExp);
const CMICmnMIValueResult miValueResult2("exp", miValueConst2);
miValueTuple.Add(miValueResult2);
const CMIUtilString strNumChild(CMIUtilString::Format("%u", nChildren));
const CMICmnMIValueConst miValueConst3(strNumChild);
const CMICmnMIValueResult miValueResult3("numchild", miValueConst3);
miValueTuple.Add(miValueResult3);
const CMICmnMIValueConst miValueConst5(utilValue.GetTypeNameDisplay());
const CMICmnMIValueResult miValueResult5("type", miValueConst5);
miValueTuple.Add(miValueResult5);
const CMICmnMIValueConst miValueConst6(strThreadId);
const CMICmnMIValueResult miValueResult6("thread-id", miValueConst6);
miValueTuple.Add(miValueResult6);
// nChildren == 0 is used to check for simple values
if (eVarInfoFormat == CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_AllValues ||
(eVarInfoFormat == CMICmnLLDBDebugSessionInfo::eVariableInfoFormat_SimpleValues && nChildren == 0))
{
const CMIUtilString strValue(
CMICmnLLDBDebugSessionInfoVarObj::GetValueStringFormatted(member, CMICmnLLDBDebugSessionInfoVarObj::eVarFormat_Natural));
const CMICmnMIValueConst miValueConst7(strValue);
const CMICmnMIValueResult miValueResult7("value", miValueConst7);
miValueTuple.Add(miValueResult7);
}
const CMICmnMIValueConst miValueConst8("0");
const CMICmnMIValueResult miValueResult8("has_more", miValueConst8);
miValueTuple.Add(miValueResult8);
const CMICmnMIValueResult miValueResult9("child", miValueTuple);
m_miValueList.Add(miValueResult9);
}
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
CMICmdCmdVarListChildren::Acknowledge()
{
if (m_bValueValid)
{
// MI print "%s^done,numchild=\"%u\",children=[%s],has_more=\"%d\""
const CMIUtilString strNumChild(CMIUtilString::Format("%u", m_nChildren));
const CMICmnMIValueConst miValueConst(strNumChild);
CMICmnMIValueResult miValueResult("numchild", miValueConst);
if (m_nChildren != 0)
miValueResult.Add("children", m_miValueList);
const CMIUtilString strHasMore(m_bHasMore ? "1" : "0");
const CMICmnMIValueConst miValueConst2(strHasMore);
miValueResult.Add("has_more", miValueConst2);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
// MI print "%s^error,msg=\"variable invalid\""
const CMICmnMIValueConst miValueConst("variable invalid");
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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 *
CMICmdCmdVarListChildren::CreateSelf()
{
return new CMICmdCmdVarListChildren();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarEvaluateExpression constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarEvaluateExpression::CMICmdCmdVarEvaluateExpression()
: m_bValueValid(true)
, m_constStrArgFormatSpec("-f")
, m_constStrArgName("name")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-evaluate-expression";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarEvaluateExpression::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarEvaluateExpression destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarEvaluateExpression::~CMICmdCmdVarEvaluateExpression()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarEvaluateExpression::ParseArgs()
{
m_setCmdArgs.Add(
new CMICmdArgValOptionShort(m_constStrArgFormatSpec, false, false, CMICmdArgValListBase::eArgValType_String, 1));
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, 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
CMICmdCmdVarEvaluateExpression::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
lldb::SBValue &rValue = const_cast<lldb::SBValue &>(varObj.GetValue());
m_bValueValid = rValue.IsValid();
if (!m_bValueValid)
return MIstatus::success;
m_varObjName = rVarObjName;
varObj.UpdateValue();
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
CMICmdCmdVarEvaluateExpression::Acknowledge()
{
if (m_bValueValid)
{
CMICmnLLDBDebugSessionInfoVarObj varObj;
CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(m_varObjName, varObj);
const CMICmnMIValueConst miValueConst(varObj.GetValueFormatted());
const CMICmnMIValueResult miValueResult("value", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst("variable invalid");
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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 *
CMICmdCmdVarEvaluateExpression::CreateSelf()
{
return new CMICmdCmdVarEvaluateExpression();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarInfoPathExpression constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarInfoPathExpression::CMICmdCmdVarInfoPathExpression()
: m_bValueValid(true)
, m_constStrArgName("name")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-info-path-expression";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarInfoPathExpression::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarInfoPathExpression destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarInfoPathExpression::~CMICmdCmdVarInfoPathExpression()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarInfoPathExpression::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, 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
CMICmdCmdVarInfoPathExpression::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
lldb::SBValue &rValue = const_cast<lldb::SBValue &>(varObj.GetValue());
m_bValueValid = rValue.IsValid();
if (!m_bValueValid)
return MIstatus::success;
lldb::SBStream stream;
if (!rValue.GetExpressionPath(stream, true))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_EXPRESSIONPATH), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
const char *pPathExpression = stream.GetData();
if (pPathExpression == nullptr)
{
// Build expression from what we do know
m_strPathExpression = varObj.GetNameReal();
return MIstatus::success;
}
// Has LLDB returned a var signature of it's own
if (pPathExpression[0] != '$')
{
m_strPathExpression = pPathExpression;
return MIstatus::success;
}
// Build expression from what we do know
const CMIUtilString &rVarParentName(varObj.GetVarParentName());
if (rVarParentName.empty())
{
m_strPathExpression = varObj.GetNameReal();
}
else
{
CMICmnLLDBDebugSessionInfoVarObj varObjParent;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarParentName, varObjParent))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarParentName.c_str()));
return MIstatus::failure;
}
m_strPathExpression = CMIUtilString::Format("%s.%s", varObjParent.GetNameReal().c_str(), varObj.GetNameReal().c_str());
}
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
CMICmdCmdVarInfoPathExpression::Acknowledge()
{
if (m_bValueValid)
{
const CMICmnMIValueConst miValueConst(m_strPathExpression);
const CMICmnMIValueResult miValueResult("path_expr", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst("variable invalid");
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
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 *
CMICmdCmdVarInfoPathExpression::CreateSelf()
{
return new CMICmdCmdVarInfoPathExpression();
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarShowAttributes constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarShowAttributes::CMICmdCmdVarShowAttributes()
: m_constStrArgName("name")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "var-show-attributes";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdVarShowAttributes::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdVarShowAttributes destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdVarShowAttributes::~CMICmdCmdVarShowAttributes()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdVarShowAttributes::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgName, 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
CMICmdCmdVarShowAttributes::Execute()
{
CMICMDBASE_GETOPTION(pArgName, String, m_constStrArgName);
const CMIUtilString &rVarObjName(pArgName->GetValue());
CMICmnLLDBDebugSessionInfoVarObj varObj;
if (!CMICmnLLDBDebugSessionInfoVarObj::VarObjGet(rVarObjName, varObj))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_VARIABLE_DOESNOTEXIST), m_cmdData.strMiCmd.c_str(), rVarObjName.c_str()));
return MIstatus::failure;
}
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
CMICmdCmdVarShowAttributes::Acknowledge()
{
// MI output: "%s^done,status=\"editable\"]"
const CMICmnMIValueConst miValueConst("editable");
const CMICmnMIValueResult miValueResult("status", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
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 *
CMICmdCmdVarShowAttributes::CreateSelf()
{
return new CMICmdCmdVarShowAttributes();
}