diff options
Diffstat (limited to 'tools/lldb-mi/MICmnLLDBUtilSBValue.cpp')
| -rw-r--r-- | tools/lldb-mi/MICmnLLDBUtilSBValue.cpp | 460 |
1 files changed, 236 insertions, 224 deletions
diff --git a/tools/lldb-mi/MICmnLLDBUtilSBValue.cpp b/tools/lldb-mi/MICmnLLDBUtilSBValue.cpp index 004be071260a..847bba2c8d0a 100644 --- a/tools/lldb-mi/MICmnLLDBUtilSBValue.cpp +++ b/tools/lldb-mi/MICmnLLDBUtilSBValue.cpp @@ -8,15 +8,15 @@ //===----------------------------------------------------------------------===// //++ -// File: MICmnLLDBUtilSBValue.cpp +// File: MICmnLLDBUtilSBValue.cpp // -// Overview: CMICmnLLDBUtilSBValue implementation. +// Overview: CMICmnLLDBUtilSBValue implementation. // -// Environment: Compilers: Visual C++ 12. -// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 -// Libraries: See MIReadmetxt. +// Environment: Compilers: Visual C++ 12. +// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 +// Libraries: See MIReadmetxt. // -// Copyright: None. +// Copyright: None. //-- // In-house headers: @@ -25,300 +25,312 @@ #include "MICmnLLDBDebugSessionInfo.h" //++ ------------------------------------------------------------------------------------ -// Details: CMICmnLLDBUtilSBValue constructor. -// Type: Method. -// Args: vrValue - (R) The LLDb value object. -// vbHandleCharType - (R) True = Yes return text molding to char type, -// False = just return data. -// Return: None. -// Throws: None. +// Details: CMICmnLLDBUtilSBValue constructor. +// Type: Method. +// Args: vrValue - (R) The LLDb value object. +// vbHandleCharType - (R) True = Yes return text molding to char type, +// False = just return data. +// Return: None. +// Throws: None. //-- -CMICmnLLDBUtilSBValue::CMICmnLLDBUtilSBValue( const lldb::SBValue & vrValue, const bool vbHandleCharType /* = false */ ) -: m_rValue( const_cast< lldb::SBValue & >( vrValue ) ) -, m_pUnkwn( "??" ) -, m_bHandleCharType( vbHandleCharType ) +CMICmnLLDBUtilSBValue::CMICmnLLDBUtilSBValue(const lldb::SBValue &vrValue, const bool vbHandleCharType /* = false */) + : m_rValue(const_cast<lldb::SBValue &>(vrValue)) + , m_pUnkwn("??") + , m_bHandleCharType(vbHandleCharType) { - m_bValidSBValue = m_rValue.IsValid(); + m_bValidSBValue = m_rValue.IsValid(); } //++ ------------------------------------------------------------------------------------ -// Details: CMICmnLLDBUtilSBValue destructor. -// Type: Method. -// Args: None. -// Return: None. -// Throws: None. +// Details: CMICmnLLDBUtilSBValue destructor. +// Type: Method. +// Args: None. +// Return: None. +// Throws: None. //-- -CMICmnLLDBUtilSBValue::~CMICmnLLDBUtilSBValue( void ) +CMICmnLLDBUtilSBValue::~CMICmnLLDBUtilSBValue(void) { } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve from the LLDB SB Value object the name of the variable. If the name -// is invalid (or the SBValue object invalid) then "??" is returned. -// Type: Method. -// Args: None. -// Return: CMIUtilString - Name of the variable or "??" for unknown. -// Throws: None. +// Details: Retrieve from the LLDB SB Value object the name of the variable. If the name +// is invalid (or the SBValue object invalid) then "??" is returned. +// Type: Method. +// Args: None. +// Return: CMIUtilString - Name of the variable or "??" for unknown. +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetName( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetName(void) const { - const MIchar * pName = m_bValidSBValue ? m_rValue.GetName() : nullptr; - const CMIUtilString text( (pName != nullptr) ? pName : m_pUnkwn ); - - return text; + const MIchar *pName = m_bValidSBValue ? m_rValue.GetName() : nullptr; + const CMIUtilString text((pName != nullptr) ? pName : m_pUnkwn); + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve from the LLDB SB Value object the value of the variable described in -// text. If the value is invalid (or the SBValue object invalid) then "??" is -// returned. -// Type: Method. -// Args: None. -// Return: CMIUtilString - Text description of the variable's value or "??". -// Throws: None. +// Details: Retrieve from the LLDB SB Value object the value of the variable described in +// text. If the value is invalid (or the SBValue object invalid) then "??" is +// returned. +// Type: Method. +// Args: None. +// Return: CMIUtilString - Text description of the variable's value or "??". +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetValue( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetValue(void) const { - CMIUtilString text; - - if( m_bHandleCharType && IsCharType() ) - { - const lldb::addr_t addr = m_rValue.GetLoadAddress(); - text = CMIUtilString::Format( "0x%08x", addr ); - const CMIUtilString cString( GetValueCString() ); - if( !cString.empty() ) - text += CMIUtilString::Format( " %s", cString.c_str() ); - } - else - { - const MIchar * pValue = m_bValidSBValue ? m_rValue.GetValue() : nullptr; - text = (pValue != nullptr) ? pValue : m_pUnkwn; - } - - return text; + CMIUtilString text; + + if (m_bHandleCharType && IsCharType()) + { + const lldb::addr_t addr = m_rValue.GetLoadAddress(); + text = CMIUtilString::Format("0x%08x", addr); + const CMIUtilString cString(GetValueCString()); + if (!cString.empty()) + text += CMIUtilString::Format(" %s", cString.c_str()); + } + else + { + const MIchar *pValue = m_bValidSBValue ? m_rValue.GetValue() : nullptr; + text = (pValue != nullptr) ? pValue : m_pUnkwn; + } + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: If the LLDB SB Value object is a char type then form the text data string -// otherwise return nothing. m_bHandleCharType must be true to return text data -// if any. -// Type: Method. -// Args: None. -// Return: CMIUtilString - Text description of the variable's value. -// Throws: None. +// Details: If the LLDB SB Value object is a char type then form the text data string +// otherwise return nothing. m_bHandleCharType must be true to return text data +// if any. +// Type: Method. +// Args: None. +// Return: CMIUtilString - Text description of the variable's value. +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetValueCString( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetValueCString(void) const { - CMIUtilString text; - - if( m_bHandleCharType && IsCharType() ) - { - text = ReadCStringFromHostMemory( m_rValue ); - } - - return text; + CMIUtilString text; + + if (m_bHandleCharType && IsCharType()) + { + text = ReadCStringFromHostMemory(m_rValue); + } + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the flag stating whether this value object is a char type or some -// other type. Char type can be signed or unsigned. -// Type: Method. -// Args: None. -// Return: bool - True = Yes is a char type, false = some other type. -// Throws: None. +// Details: Retrieve the flag stating whether this value object is a char type or some +// other type. Char type can be signed or unsigned. +// Type: Method. +// Args: None. +// Return: bool - True = Yes is a char type, false = some other type. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsCharType( void ) const +bool +CMICmnLLDBUtilSBValue::IsCharType(void) const { - const MIchar * pName = m_rValue.GetName(); MIunused( pName ); - const lldb::BasicType eType = m_rValue.GetType().GetBasicType(); - return ((eType == lldb::eBasicTypeChar) || - (eType == lldb::eBasicTypeSignedChar) || - (eType == lldb::eBasicTypeUnsignedChar) ); + const MIchar *pName = m_rValue.GetName(); + MIunused(pName); + const lldb::BasicType eType = m_rValue.GetType().GetBasicType(); + return ((eType == lldb::eBasicTypeChar) || (eType == lldb::eBasicTypeSignedChar) || (eType == lldb::eBasicTypeUnsignedChar)); } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the flag stating whether any child value object of *this object is a -// char type or some other type. Returns false if there are not children. Char -// type can be signed or unsigned. -// Type: Method. -// Args: None. -// Return: bool - True = Yes is a char type, false = some other type. -// Throws: None. +// Details: Retrieve the flag stating whether any child value object of *this object is a +// char type or some other type. Returns false if there are not children. Char +// type can be signed or unsigned. +// Type: Method. +// Args: None. +// Return: bool - True = Yes is a char type, false = some other type. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsChildCharType( void ) const +bool +CMICmnLLDBUtilSBValue::IsChildCharType(void) const { - const MIuint nChildren = m_rValue.GetNumChildren(); - - // Is it a basic type - if( nChildren == 0 ) - return false; - - // Is it a composite type - if( nChildren > 1 ) - return false; - - lldb::SBValue member = m_rValue.GetChildAtIndex( 0 ); - const CMICmnLLDBUtilSBValue utilValue( member ); - return utilValue.IsCharType(); + const MIuint nChildren = m_rValue.GetNumChildren(); + + // Is it a basic type + if (nChildren == 0) + return false; + + // Is it a composite type + if (nChildren > 1) + return false; + + lldb::SBValue member = m_rValue.GetChildAtIndex(0); + const CMICmnLLDBUtilSBValue utilValue(member); + return utilValue.IsCharType(); } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the C string data for a child of char type (one and only child) for -// the parent value object. If the child is not a char type or the parent has -// more than one child then an empty string is returned. Char type can be -// signed or unsigned. -// Type: Method. -// Args: None. -// Return: CMIUtilString - Text description of the variable's value. -// Throws: None. +// Details: Retrieve the C string data for a child of char type (one and only child) for +// the parent value object. If the child is not a char type or the parent has +// more than one child then an empty string is returned. Char type can be +// signed or unsigned. +// Type: Method. +// Args: None. +// Return: CMIUtilString - Text description of the variable's value. +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetChildValueCString( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetChildValueCString(void) const { - CMIUtilString text; - const MIuint nChildren = m_rValue.GetNumChildren(); - - // Is it a basic type - if( nChildren == 0 ) - return text; - - // Is it a composite type - if( nChildren > 1 ) - return text; - - lldb::SBValue member = m_rValue.GetChildAtIndex( 0 ); - const CMICmnLLDBUtilSBValue utilValue( member ); - if( m_bHandleCharType && utilValue.IsCharType() ) - { - text = ReadCStringFromHostMemory( member ); - } - - return text; + CMIUtilString text; + const MIuint nChildren = m_rValue.GetNumChildren(); + + // Is it a basic type + if (nChildren == 0) + return text; + + // Is it a composite type + if (nChildren > 1) + return text; + + lldb::SBValue member = m_rValue.GetChildAtIndex(0); + const CMICmnLLDBUtilSBValue utilValue(member); + if (m_bHandleCharType && utilValue.IsCharType()) + { + text = ReadCStringFromHostMemory(member); + } + + return text; } - + //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the C string data of value object by read the memory where the -// variable is held. -// Type: Method. -// Args: vrValueObj - (R) LLDB SBValue variable object. -// Return: CMIUtilString - Text description of the variable's value. -// Throws: None. +// Details: Retrieve the C string data of value object by read the memory where the +// variable is held. +// Type: Method. +// Args: vrValueObj - (R) LLDB SBValue variable object. +// Return: CMIUtilString - Text description of the variable's value. +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::ReadCStringFromHostMemory( const lldb::SBValue & vrValueObj ) const +CMIUtilString +CMICmnLLDBUtilSBValue::ReadCStringFromHostMemory(const lldb::SBValue &vrValueObj) const { - CMIUtilString text; - - lldb::SBValue & rValue = const_cast< lldb::SBValue & >( vrValueObj ); - const lldb::addr_t addr = rValue.GetLoadAddress(); - CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() ); - const MIuint nBytes( 128 ); - const MIchar * pBufferMemory = new MIchar[ nBytes ]; - lldb::SBError error; - const MIuint64 nReadBytes = rSessionInfo.m_lldbProcess.ReadMemory( addr, (void *) pBufferMemory, nBytes, error ); MIunused( nReadBytes ); - text = CMIUtilString::Format( "\\\"%s\\\"", pBufferMemory ); - delete [] pBufferMemory; - - return text; + CMIUtilString text; + + lldb::SBValue &rValue = const_cast<lldb::SBValue &>(vrValueObj); + const lldb::addr_t addr = rValue.GetLoadAddress(); + CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance()); + const MIuint nBytes(128); + const MIchar *pBufferMemory = new MIchar[nBytes]; + lldb::SBError error; + const MIuint64 nReadBytes = rSessionInfo.m_lldbProcess.ReadMemory(addr, (void *)pBufferMemory, nBytes, error); + MIunused(nReadBytes); + text = CMIUtilString::Format("\\\"%s\\\"", pBufferMemory); + delete[] pBufferMemory; + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the state of the value object's name. -// Type: Method. -// Args: None. -// Return: bool - True = yes name is indeterminate, false = name is valid. -// Throws: None. +// Details: Retrieve the state of the value object's name. +// Type: Method. +// Args: None. +// Return: bool - True = yes name is indeterminate, false = name is valid. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsNameUnknown( void ) const +bool +CMICmnLLDBUtilSBValue::IsNameUnknown(void) const { - const CMIUtilString name( GetName() ); - return (name == m_pUnkwn); + const CMIUtilString name(GetName()); + return (name == m_pUnkwn); } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the state of the value object's value data. -// Type: Method. -// Args: None. -// Return: bool - True = yes value is indeterminate, false = value valid. -// Throws: None. +// Details: Retrieve the state of the value object's value data. +// Type: Method. +// Args: None. +// Return: bool - True = yes value is indeterminate, false = value valid. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsValueUnknown( void ) const +bool +CMICmnLLDBUtilSBValue::IsValueUnknown(void) const { - const CMIUtilString value( GetValue() ); - return (value == m_pUnkwn); + const CMIUtilString value(GetValue()); + return (value == m_pUnkwn); } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the value object's type name if valid. -// Type: Method. -// Args: None. -// Return: CMIUtilString - The type name or "??". -// Throws: None. +// Details: Retrieve the value object's type name if valid. +// Type: Method. +// Args: None. +// Return: CMIUtilString - The type name or "??". +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetTypeName( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetTypeName(void) const { - const MIchar * pName = m_bValidSBValue ? m_rValue.GetTypeName() : nullptr; - const CMIUtilString text( (pName != nullptr) ? pName : m_pUnkwn ); - - return text; + const MIchar *pName = m_bValidSBValue ? m_rValue.GetTypeName() : nullptr; + const CMIUtilString text((pName != nullptr) ? pName : m_pUnkwn); + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the value object's display type name if valid. -// Type: Method. -// Args: None. -// Return: CMIUtilString - The type name or "??". -// Throws: None. +// Details: Retrieve the value object's display type name if valid. +// Type: Method. +// Args: None. +// Return: CMIUtilString - The type name or "??". +// Throws: None. //-- -CMIUtilString CMICmnLLDBUtilSBValue::GetTypeNameDisplay( void ) const +CMIUtilString +CMICmnLLDBUtilSBValue::GetTypeNameDisplay(void) const { - const MIchar * pName = m_bValidSBValue ? m_rValue.GetDisplayTypeName() : nullptr; - const CMIUtilString text( (pName != nullptr) ? pName : m_pUnkwn ); - - return text; + const MIchar *pName = m_bValidSBValue ? m_rValue.GetDisplayTypeName() : nullptr; + const CMIUtilString text((pName != nullptr) ? pName : m_pUnkwn); + + return text; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve whether the value object's is valid or not. -// Type: Method. -// Args: None. -// Return: bool - True = valid, false = not valid. -// Throws: None. +// Details: Retrieve whether the value object's is valid or not. +// Type: Method. +// Args: None. +// Return: bool - True = valid, false = not valid. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsValid( void ) const +bool +CMICmnLLDBUtilSBValue::IsValid(void) const { - return m_bValidSBValue; + return m_bValidSBValue; } //++ ------------------------------------------------------------------------------------ -// Details: Retrieve the value object' has a name. A value object can be valid but still -// have no name which suggest it is not a variable. -// Type: Method. -// Args: None. -// Return: bool - True = valid, false = not valid. -// Throws: None. +// Details: Retrieve the value object' has a name. A value object can be valid but still +// have no name which suggest it is not a variable. +// Type: Method. +// Args: None. +// Return: bool - True = valid, false = not valid. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::HasName( void ) const +bool +CMICmnLLDBUtilSBValue::HasName(void) const { - bool bHasAName = false; + bool bHasAName = false; - const MIchar * pName = m_bValidSBValue ? m_rValue.GetDisplayTypeName() : nullptr; - if( pName != nullptr ) - { - bHasAName = (CMIUtilString( pName ).length() > 0); - } + const MIchar *pName = m_bValidSBValue ? m_rValue.GetDisplayTypeName() : nullptr; + if (pName != nullptr) + { + bHasAName = (CMIUtilString(pName).length() > 0); + } - return bHasAName; + return bHasAName; } //++ ------------------------------------------------------------------------------------ -// Details: Determine if the value object' respresents a LLDB variable i.e. "$0". -// Type: Method. -// Args: None. -// Return: bool - True = Yes LLDB variable, false = no. -// Throws: None. +// Details: Determine if the value object' respresents a LLDB variable i.e. "$0". +// Type: Method. +// Args: None. +// Return: bool - True = Yes LLDB variable, false = no. +// Throws: None. //-- -bool CMICmnLLDBUtilSBValue::IsLLDBVariable( void ) const +bool +CMICmnLLDBUtilSBValue::IsLLDBVariable(void) const { - return (GetName().at( 0 ) == '$' ); + return (GetName().at(0) == '$'); } - - |