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

1543 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/SBThread.h"
#include "lldb/API/SBType.h"
// In-house headers:
#include "MICmdArgValListOfN.h"
#include "MICmdArgValNumber.h"
#include "MICmdArgValOptionLong.h"
#include "MICmdArgValOptionShort.h"
#include "MICmdArgValPrintValues.h"
#include "MICmdArgValString.h"
#include "MICmdArgValThreadGrp.h"
#include "MICmdCmdVar.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBProxySBValue.h"
#include "MICmnLLDBUtilSBValue.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include <algorithm>
//++
//------------------------------------------------------------------------------------
// 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_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 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));
value = frame.FindRegister(rStrRegister.c_str());
} else {
const bool bArgs = true;
const bool bLocals = true;
const bool bStatics = true;
const bool bInScopeOnly = true;
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 {
m_strValue = value.GetError().GetCString();
}
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;
}
const MIuint nChildren = vrwValue.GetNumChildren();
for (MIuint i = 0; i < nChildren; ++i) {
lldb::SBValue member = vrwValue.GetChildAtIndex(i);
if (!member.IsValid())
continue;
// skip pointers and references to avoid infinite loop
if (member.GetType().GetTypeFlags() &
(lldb::eTypeIsPointer | lldb::eTypeIsReference))
continue;
// Handle composite types (i.e. struct or arrays)
if (ExamineSBValueForChange(member, vrwbChanged) && vrwbChanged)
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, 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(
strExp.empty() ? CMIUtilString::Format("%s.$%u", rVarObjName.c_str(), i)
: 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();
}