llvm-project/lldb/tools/lldb-mi/MICmnLLDBDebugSessionInfoVa...

413 lines
12 KiB
C++

//===-- MICmnLLDBDebugSessionInfoVarObj.cpp ---------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmnLLDBDebugSessionInfoVarObj.cpp
//
// Overview: CMICmnLLDBDebugSessionInfoVarObj implementation.
//
// Environment: Compilers: Visual C++ 12.
// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
// Libraries: See MIReadmetxt.
//
// Copyright: None.
//--
// In-house headers:
#include "MICmnLLDBDebugSessionInfoVarObj.h"
#include "MICmnLLDBProxySBValue.h"
// Instantiations:
const MIchar * CMICmnLLDBDebugSessionInfoVarObj::ms_aVarFormatStrings[] =
{
// CODETAG_SESSIONINFO_VARFORMAT_ENUM
// *** Order is import here.
"<Invalid var format>",
"binary",
"octal",
"decimal",
"hexadecimal",
"natural"
};
const MIchar * CMICmnLLDBDebugSessionInfoVarObj::ms_aVarFormatChars[] =
{
// CODETAG_SESSIONINFO_VARFORMAT_ENUM
// *** Order is import here.
"<Invalid var format>",
"t",
"o",
"d",
"x",
"N"
};
CMICmnLLDBDebugSessionInfoVarObj::VecVarObj_t CMICmnLLDBDebugSessionInfoVarObj::ms_vecVarObj;
MIuint CMICmnLLDBDebugSessionInfoVarObj::ms_nVarUniqueId = 0; // Index from 0
//++ ------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebugSessionInfoVarObj constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::CMICmnLLDBDebugSessionInfoVarObj( void )
: m_eVarFormat( eVarFormat_Natural )
, m_eVarType( eVarType_Internal )
{
// Do not out UpdateValue() in here as not necessary
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebugSessionInfoVarObj constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::CMICmnLLDBDebugSessionInfoVarObj( const CMIUtilString & vrStrNameReal, const CMIUtilString & vrStrName, const lldb::SBValue & vrValue )
: m_eVarFormat( eVarFormat_Natural )
, m_eVarType( eVarType_Internal )
, m_strName( vrStrName )
, m_SBValue( vrValue )
, m_strNameReal( vrStrNameReal )
{
UpdateValue();
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebugSessionInfoVarObj destructor.
// Type: Overridable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::~CMICmnLLDBDebugSessionInfoVarObj( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the var format enumeration for the specified string.
// Type: Static method.
// Args: vrStrFormat - (R) Text description of the var format.
// Return: varFormat_e - Var format enumeration.
// - No match found return eVarFormat_Invalid.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::varFormat_e CMICmnLLDBDebugSessionInfoVarObj::GetVarFormatForString( const CMIUtilString & vrStrFormat )
{
// CODETAG_SESSIONINFO_VARFORMAT_ENUM
for( MIuint i = 0; i < eVarFormat_count; i++ )
{
const MIchar * pVarFormatString = ms_aVarFormatStrings[ i ];
if( vrStrFormat == pVarFormatString )
return static_cast< varFormat_e >( i );
}
return eVarFormat_Invalid;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the var format enumeration for the specified character.
// Type: Static method.
// Args: vrcFormat - (R) Character representing the var format.
// Return: varFormat_e - Var format enumeration.
// - No match found return eVarFormat_Invalid.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::varFormat_e CMICmnLLDBDebugSessionInfoVarObj::GetVarFormatForChar( const MIchar & vrcFormat )
{
if( 'r' == vrcFormat )
return eVarFormat_Hex;
// CODETAG_SESSIONINFO_VARFORMAT_ENUM
for( MIuint i = 0; i < eVarFormat_count; i++ )
{
const MIchar * pVarFormatChar = ms_aVarFormatChars[ i ];
if( *pVarFormatChar == vrcFormat )
return static_cast< varFormat_e >( i );
}
return eVarFormat_Invalid;
}
//++ ------------------------------------------------------------------------------------
// Details: Return the equivalent var value formatted string for the given value type.
// Type: Static method.
// Args: vrValue - (R) The var value object.
// veVarFormat - (R) Var format enumeration.
// Returns: CMIUtilString - Value formatted string.
// Throws: None.
//--
CMIUtilString CMICmnLLDBDebugSessionInfoVarObj::GetValueStringFormatted( const lldb::SBValue & vrValue, const CMICmnLLDBDebugSessionInfoVarObj::varFormat_e veVarFormat )
{
CMIUtilString strFormattedValue;
MIuint64 nValue = 0;
if( CMICmnLLDBProxySBValue::GetValueAsUnsigned( vrValue, nValue ) == MIstatus::success )
{
switch( veVarFormat )
{
case eVarFormat_Binary:
strFormattedValue = CMIUtilString::FormatBinary( nValue );
break;
case eVarFormat_Octal:
strFormattedValue = CMIUtilString::Format( "0%llo", nValue );
break;
case eVarFormat_Decimal:
strFormattedValue = CMIUtilString::Format( "%lld", nValue );
break;
case eVarFormat_Hex:
strFormattedValue = CMIUtilString::Format( "0x%llx", nValue );
break;
case eVarFormat_Natural:
default:
{
const char * pTmp = const_cast< lldb::SBValue & >( vrValue ).GetValue();
strFormattedValue = (pTmp != nullptr) ? pTmp : "";
}
}
}
else
{
// Composite variable type i.e. struct
strFormattedValue = "{...}";
}
return strFormattedValue;
}
//++ ------------------------------------------------------------------------------------
// Details: Delete internal container contents.
// Type: Static method.
// Args: None.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjClear( void )
{
ms_vecVarObj.clear();
}
//++ ------------------------------------------------------------------------------------
// Details: Add a var object to the internal container.
// Type: Static method.
// Args: vrVarObj - (R) The var value object.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjAdd( const CMICmnLLDBDebugSessionInfoVarObj & vrVarObj )
{
VarObjDelete( vrVarObj.GetName() ); // Be sure do not have duplicates (trouble with set so vector)
ms_vecVarObj.push_back( vrVarObj );
}
//++ ------------------------------------------------------------------------------------
// Details: Delete the var object from the internal container matching the specified name.
// Type: Static method.
// Args: vrVarName - (R) The var value name.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjDelete( const CMIUtilString & vrVarName )
{
if( vrVarName.empty() || (vrVarName == "") )
return;
VecVarObj_t::iterator it = ms_vecVarObj.begin();
while( it != ms_vecVarObj.end() )
{
const CMICmnLLDBDebugSessionInfoVarObj & rVarObj = *it;
const CMIUtilString & rVarName = rVarObj.GetName();
if( rVarName == vrVarName )
{
ms_vecVarObj.erase( it );
return;
}
// Next
++it;
}
}
//++ ------------------------------------------------------------------------------------
// Details: Update an existing var object in the internal container.
// Type: Static method.
// Args: vrVarObj - (R) The var value object.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjUpdate( const CMICmnLLDBDebugSessionInfoVarObj & vrVarObj )
{
VarObjAdd( vrVarObj );
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the var object matching the specified name.
// Type: Static method.
// Args: vrVarName - (R) The var value name.
// vrwVarObj - (W) A var object.
// Returns: bool - True = object found, false = object not found.
// Throws: None.
//--
bool CMICmnLLDBDebugSessionInfoVarObj::VarObjGet( const CMIUtilString & vrVarName, CMICmnLLDBDebugSessionInfoVarObj & vrwVarObj )
{
VecVarObj_t::iterator it = ms_vecVarObj.begin();
while( it != ms_vecVarObj.end() )
{
const CMICmnLLDBDebugSessionInfoVarObj & rVarObj = *it;
const CMIUtilString & rVarName = rVarObj.GetName();
if( rVarName == vrVarName )
{
vrwVarObj = rVarObj;
return true;
}
// Next
++it;
}
return false;
}
//++ ------------------------------------------------------------------------------------
// Details: A count is kept of the number of var value objects created. This is count is
// used to ID the var value object. Reset the count to 0.
// Type: Static method.
// Args: None.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjIdResetToZero( void )
{
ms_nVarUniqueId = 0;
}
//++ ------------------------------------------------------------------------------------
// Details: A count is kept of the number of var value objects created. This is count is
// used to ID the var value object. Increment the count by 1.
// Type: Static method.
// Args: None.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::VarObjIdInc( void )
{
ms_nVarUniqueId++;
}
//++ ------------------------------------------------------------------------------------
// Details: A count is kept of the number of var value objects created. This is count is
// used to ID the var value object. Retrieve ID.
// Type: Static method.
// Args: None.
// Returns: None.
// Throws: None.
//--
MIuint CMICmnLLDBDebugSessionInfoVarObj::VarObjIdGet( void )
{
return ms_nVarUniqueId;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the value formatted object's name.
// Type: Method.
// Args: None.
// Returns: CMIUtilString & - Value's var%u name text.
// Throws: None.
//--
const CMIUtilString & CMICmnLLDBDebugSessionInfoVarObj::GetName( void ) const
{
return m_strName;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the value formatted object's variable name as given in the MI command
// to create the var object.
// Type: Method.
// Args: None.
// Returns: CMIUtilString & - Value's real name text.
// Throws: None.
//--
const CMIUtilString & CMICmnLLDBDebugSessionInfoVarObj::GetNameReal( void ) const
{
return m_strNameReal;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the value formatted string.
// Type: Method.
// Args: None.
// Returns: CMIUtilString & - Value formatted string.
// Throws: None.
//--
const CMIUtilString & CMICmnLLDBDebugSessionInfoVarObj::GetValueFormatted( void ) const
{
return m_strFormattedValue;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the LLDB Value object.
// Type: Method.
// Args: None.
// Returns: lldb::SBValue & - LLDB Value object.
// Throws: None.
//--
const lldb::SBValue & CMICmnLLDBDebugSessionInfoVarObj::GetValue( void ) const
{
return m_SBValue;
}
//++ ------------------------------------------------------------------------------------
// Details: Set the var format type for *this object and upate the formatting.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmnLLDBDebugSessionInfoVarObj::SetVarFormat( const varFormat_e veVarFormat )
{
if( veVarFormat >= eVarFormat_count )
return MIstatus::failure;
m_eVarFormat = veVarFormat;
UpdateValue();
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Update *this var obj. Update it's value and type.
// Type: Method.
// Args: None.
// Returns: None.
// Throws: None.
//--
void CMICmnLLDBDebugSessionInfoVarObj::UpdateValue( void )
{
m_strFormattedValue = CMICmnLLDBDebugSessionInfoVarObj::GetValueStringFormatted( m_SBValue, m_eVarFormat );
MIuint64 nValue = 0;
if( CMICmnLLDBProxySBValue::GetValueAsUnsigned( m_SBValue, nValue ) == MIstatus::failure )
m_eVarType = eVarType_Composite;
CMICmnLLDBDebugSessionInfoVarObj::VarObjUpdate( *this );
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the enumeration type of the var object.
// Type: Method.
// Args: None.
// Returns: varType_e - Enumeration value.
// Throws: None.
//--
CMICmnLLDBDebugSessionInfoVarObj::varType_e CMICmnLLDBDebugSessionInfoVarObj::GetType( void ) const
{
return m_eVarType;
}