#include <ScriptedFrame.h>

Inheritance diagram for lldb_private::ScriptedFrame:

Public Member Functions
	ScriptedFrame (ScriptedThread &thread, lldb::ScriptedFrameInterfaceSP interface_sp, lldb::user_id_t frame_idx, lldb::addr_t pc, SymbolContext &sym_ctx, lldb::RegisterContextSP reg_ctx_sp, std::shared_ptr< DynamicRegisterInfo > reg_info_sp, StructuredData::GenericSP script_object_sp=nullptr)
	~ScriptedFrame () override
bool	IsInlined () override
	Query whether this frame is a concrete frame on the call stack, or if it is an inlined frame derived from the debug information and presented by the debugger.
bool	IsArtificial () const override
	Query whether this frame is artificial (e.g a synthesized result of inferring missing tail call frames from a backtrace).
bool	IsHidden () override
	Query whether this frame should be hidden from backtraces.
const char *	GetFunctionName () override
	Get the frame's demangled name.
const char *	GetDisplayFunctionName () override
	Get the frame's demangled display name.
Public Member Functions inherited from lldb_private::StackFrame
	StackFrame (const lldb::ThreadSP &thread_sp, lldb::user_id_t frame_idx, lldb::user_id_t concrete_frame_idx, lldb::addr_t cfa, bool cfa_is_valid, lldb::addr_t pc, Kind frame_kind, bool artificial, bool behaves_like_zeroth_frame, const SymbolContext *sc_ptr)
	Construct a StackFrame object without supplying a RegisterContextSP.
	StackFrame (const lldb::ThreadSP &thread_sp, lldb::user_id_t frame_idx, lldb::user_id_t concrete_frame_idx, const lldb::RegisterContextSP &reg_context_sp, lldb::addr_t cfa, lldb::addr_t pc, bool behaves_like_zeroth_frame, const SymbolContext *sc_ptr)
	StackFrame (const lldb::ThreadSP &thread_sp, lldb::user_id_t frame_idx, lldb::user_id_t concrete_frame_idx, const lldb::RegisterContextSP &reg_context_sp, lldb::addr_t cfa, const Address &pc, bool behaves_like_zeroth_frame, const SymbolContext *sc_ptr)
	~StackFrame () override
lldb::ThreadSP	GetThread () const
StackID &	GetStackID ()
const Address &	GetFrameCodeAddress ()
	Get an Address for the current pc value in this StackFrame.
Address	GetFrameCodeAddressForSymbolication ()
	Get the current code Address suitable for symbolication, may not be the same as GetFrameCodeAddress().
bool	ChangePC (lldb::addr_t pc)
	Change the pc value for a given thread.
const SymbolContext &	GetSymbolContext (lldb::SymbolContextItem resolve_scope)
	Provide a SymbolContext for this StackFrame's current pc value.
llvm::Error	GetFrameBaseValue (Scalar &value)
	Return the Canonical Frame Address (DWARF term) for this frame.
DWARFExpressionList *	GetFrameBaseExpression (Status *error_ptr)
	Get the DWARFExpressionList corresponding to the Canonical Frame Address.
Block *	GetFrameBlock ()
	Get the current lexical scope block for this StackFrame, if possible.
lldb::RegisterContextSP	GetRegisterContext ()
	Get the RegisterContext for this frame, if possible.
const lldb::RegisterContextSP &	GetRegisterContextSP () const
VariableList *	GetVariableList (bool get_file_globals, Status *error_ptr)
	Retrieve the list of variables whose scope either:
lldb::VariableListSP	GetInScopeVariableList (bool get_file_globals, bool must_have_valid_location=false)
	Retrieve the list of variables that are in scope at this StackFrame's pc.
lldb::ValueObjectSP	GetValueForVariableExpressionPath (llvm::StringRef var_expr, lldb::DynamicValueType use_dynamic, uint32_t options, lldb::VariableSP &var_sp, Status &error)
	Create a ValueObject for a variable name / pathname, possibly including simple dereference/child selection syntax.
bool	HasDebugInformation ()
	Determine whether this StackFrame has debug information available or not.
const char *	Disassemble ()
	Return the disassembly for the instructions of this StackFrame's function as a single C string.
bool	DumpUsingFormat (Stream &strm, const lldb_private::FormatEntity::Entry *format, llvm::StringRef frame_marker={})
	Print a description of this frame using the provided frame format.
void	DumpUsingSettingsFormat (Stream strm, bool show_unique=false, const char frame_marker=nullptr)
	Print a description for this frame using the frame-format formatter settings.
void	Dump (Stream *strm, bool show_frame_index, bool show_fullpaths)
	Print a description for this frame using a default format.
bool	GetStatus (Stream &strm, bool show_frame_info, bool show_source, bool show_unique=false, const char *frame_marker=nullptr)
	Print a description of this stack frame and/or the source context/assembly for this stack frame.
bool	IsSynthetic () const
	Query whether this frame is synthetic.
bool	IsHistorical () const
	Query whether this frame is part of a historical backtrace.
StructuredData::ObjectSP	GetLanguageSpecificData ()
	Language plugins can use this API to report language-specific runtime information about this compile unit, such as additional language version details or feature flags.
uint32_t	GetFrameIndex () const
	Query this frame to find what frame it is in this Thread's StackFrameList.
void	SetFrameIndex (uint32_t index)
	Set this frame's synthetic frame index.
uint32_t	GetConcreteFrameIndex () const
	Query this frame to find what frame it is in this Thread's StackFrameList, not counting inlined frames.
lldb::ValueObjectSP	GetValueObjectForFrameVariable (const lldb::VariableSP &variable_sp, lldb::DynamicValueType use_dynamic)
	Create a ValueObject for a given Variable in this StackFrame.
SourceLanguage	GetLanguage ()
	Query this frame to determine what the default language should be when parsing expressions given the execution context.
SourceLanguage	GuessLanguage ()
	Similar to GetLanguage(), but is allowed to take a potentially incorrect guess if exact information is not available.
lldb::ValueObjectSP	GuessValueForAddress (lldb::addr_t addr)
	Attempt to econstruct the ValueObject for a given raw address touched by the current instruction.
lldb::ValueObjectSP	GuessValueForRegisterAndOffset (ConstString reg, int64_t offset)
	Attempt to reconstruct the ValueObject for the address contained in a given register plus an offset.
lldb::ValueObjectSP	FindVariable (ConstString name)
	Attempt to reconstruct the ValueObject for a variable with a given name from within the current StackFrame, within the current block.
lldb::TargetSP	CalculateTarget () override
lldb::ProcessSP	CalculateProcess () override
lldb::ThreadSP	CalculateThread () override
lldb::StackFrameSP	CalculateStackFrame () override
void	CalculateExecutionContext (ExecutionContext &exe_ctx) override
	Reconstruct the object's execution context into sc.
lldb::RecognizedStackFrameSP	GetRecognizedFrame ()
Public Member Functions inherited from lldb_private::ExecutionContextScope
virtual	~ExecutionContextScope ()=default

Static Public Member Functions
static llvm::Expected< std::shared_ptr< ScriptedFrame > >	Create (ScriptedThread &thread, StructuredData::DictionarySP args_sp, StructuredData::Generic *script_object=nullptr)

Private Member Functions
void	CheckInterpreterAndScriptObject () const
lldb::ScriptedFrameInterfaceSP	GetInterface () const
	ScriptedFrame (const ScriptedFrame &)=delete
const ScriptedFrame &	operator= (const ScriptedFrame &)=delete
std::shared_ptr< DynamicRegisterInfo >	GetDynamicRegisterInfo ()

Private Attributes
lldb::ScriptedFrameInterfaceSP	m_scripted_frame_interface_sp
lldb_private::StructuredData::GenericSP	m_script_object_sp
std::shared_ptr< DynamicRegisterInfo >	m_register_info_sp

Additional Inherited Members
Public Types inherited from lldb_private::StackFrame
enum	ExpressionPathOption { eExpressionPathOptionCheckPtrVsMember = (1u << 0) , eExpressionPathOptionsNoFragileObjcIvar = (1u << 1) , eExpressionPathOptionsNoSyntheticChildren = (1u << 2) , eExpressionPathOptionsNoSyntheticArrayRange = (1u << 3) , eExpressionPathOptionsAllowDirectIVarAccess = (1u << 4) , eExpressionPathOptionsInspectAnonymousUnions = (1u << 5) }
enum class	Kind { Regular , History , Synthetic }
Protected Member Functions inherited from lldb_private::StackFrame
void	SetSymbolContextScope (SymbolContextScope *symbol_scope)
void	UpdateCurrentFrameFromPreviousFrame (StackFrame &prev_frame)
void	UpdatePreviousFrameFromCurrentFrame (StackFrame &curr_frame)
bool	HasCachedData () const
Protected Attributes inherited from lldb_private::StackFrame
Address	m_frame_code_addr
	The frame code address (might not be the same as the actual PC for inlined frames) as a section/offset address.
SymbolContext	m_sc
Flags	m_flags
Scalar	m_frame_base
Status	m_frame_base_error
uint16_t	m_frame_recognizer_generation = 0
bool	m_cfa_is_valid
	Does this frame have a CFA? Different from CFA == LLDB_INVALID_ADDRESS.
Kind	m_stack_frame_kind
bool	m_artificial
	Is this an artificial stack frame (e.g.
bool	m_behaves_like_zeroth_frame
	Whether this frame behaves like the zeroth frame, in the sense that its pc value might not immediately follow a call (and thus might be the first address of its function).
lldb::VariableListSP	m_variable_list_sp
ValueObjectList	m_variable_list_value_objects
	Value objects for each variable in m_variable_list_sp.
std::optional< lldb::RecognizedStackFrameSP >	m_recognized_frame_sp
StreamString	m_disassembly
std::recursive_mutex	m_mutex
lldb::ThreadWP	m_thread_wp
	For StackFrame and derived classes only.
uint32_t	m_frame_index
uint32_t	m_concrete_frame_index
lldb::RegisterContextSP	m_reg_context_sp
StackID	m_id

Detailed Description

Definition at line 25 of file ScriptedFrame.h.

Constructor & Destructor Documentation

◆ ScriptedFrame() [1/2]

ScriptedFrame::ScriptedFrame	(	ScriptedThread &	thread,
		lldb::ScriptedFrameInterfaceSP	interface_sp,
		lldb::user_id_t	frame_idx,
		lldb::addr_t	pc,
		SymbolContext &	sym_ctx,
		lldb::RegisterContextSP	reg_ctx_sp,
		std::shared_ptr< DynamicRegisterInfo >	reg_info_sp,
		StructuredData::GenericSP	script_object_sp = nullptr )

Definition at line 112 of file ScriptedFrame.cpp.

References m_register_info_sp, m_script_object_sp, m_scripted_frame_interface_sp, pc, and lldb_private::StackFrame::StackFrame().

Referenced by operator=(), and ScriptedFrame().

◆ ~ScriptedFrame()

ScriptedFrame::~ScriptedFrame ( )

override

Definition at line 126 of file ScriptedFrame.cpp.

◆ ScriptedFrame() [2/2]

lldb_private::ScriptedFrame::ScriptedFrame ( const ScriptedFrame & )

privatedelete

References ScriptedFrame().

Member Function Documentation

◆ CheckInterpreterAndScriptObject()

void ScriptedFrame::CheckInterpreterAndScriptObject ( ) const

private

Definition at line 16 of file ScriptedFrame.cpp.

References GetInterface(), lldbassert, and m_script_object_sp.

Referenced by GetDisplayFunctionName(), GetDynamicRegisterInfo(), and GetFunctionName().

◆ Create()

llvm::Expected< std::shared_ptr< ScriptedFrame > > ScriptedFrame::Create	(	ScriptedThread &	thread,
		StructuredData::DictionarySP	args_sp,
		StructuredData::Generic *	script_object = nullptr )

static

Definition at line 22 of file ScriptedFrame.cpp.

References lldb_private::Address::CalculateSymbolContext(), lldb_private::DynamicRegisterInfo::Create(), LLDB_INVALID_ADDRESS, pc, and lldb_private::Address::SetLoadAddress().

Referenced by lldb_private::ScriptedThread::LoadArtificialStackFrames().

◆ GetDisplayFunctionName()

const char * ScriptedFrame::GetDisplayFunctionName ( )

overridevirtual

Get the frame's demangled display name.

///

Returns: A C-String containing the function demangled display name. Can be null.

Reimplemented from lldb_private::StackFrame.

Definition at line 136 of file ScriptedFrame.cpp.

References lldb_private::ConstString::AsCString(), CheckInterpreterAndScriptObject(), and GetInterface().

◆ GetDynamicRegisterInfo()

std::shared_ptr< DynamicRegisterInfo > ScriptedFrame::GetDynamicRegisterInfo ( )

private

Definition at line 157 of file ScriptedFrame.cpp.

References CheckInterpreterAndScriptObject(), lldb_private::DynamicRegisterInfo::Create(), error(), lldb_private::ScriptedInterface::ErrorWithMessage(), GetInterface(), m_register_info_sp, lldb_private::StackFrame::m_thread_wp, and lldb_private::Thread.

◆ GetFunctionName()

const char * ScriptedFrame::GetFunctionName ( )

overridevirtual

Get the frame's demangled name.

///

Returns: A C-String containing the function demangled name. Can be null.

Reimplemented from lldb_private::StackFrame.

Definition at line 128 of file ScriptedFrame.cpp.

References lldb_private::ConstString::AsCString(), CheckInterpreterAndScriptObject(), and GetInterface().

◆ GetInterface()

lldb::ScriptedFrameInterfaceSP ScriptedFrame::GetInterface ( ) const

private

Definition at line 153 of file ScriptedFrame.cpp.

References m_scripted_frame_interface_sp.

Referenced by CheckInterpreterAndScriptObject(), GetDisplayFunctionName(), GetDynamicRegisterInfo(), GetFunctionName(), IsArtificial(), IsHidden(), and IsInlined().

◆ IsArtificial()

bool ScriptedFrame::IsArtificial ( ) const

overridevirtual

Query whether this frame is artificial (e.g a synthesized result of inferring missing tail call frames from a backtrace).

Artificial frames may have limited support for inspecting variables.

Reimplemented from lldb_private::StackFrame.

Definition at line 147 of file ScriptedFrame.cpp.

References GetInterface().

◆ IsHidden()

bool ScriptedFrame::IsHidden ( )

overridevirtual

Query whether this frame should be hidden from backtraces.

Frame recognizers can customize this behavior and hide distracting system implementation details this way.

Reimplemented from lldb_private::StackFrame.

Definition at line 151 of file ScriptedFrame.cpp.

References GetInterface().

◆ IsInlined()

bool ScriptedFrame::IsInlined ( )

overridevirtual

Query whether this frame is a concrete frame on the call stack, or if it is an inlined frame derived from the debug information and presented by the debugger.

Returns: true if this is an inlined frame.

Reimplemented from lldb_private::StackFrame.

Definition at line 145 of file ScriptedFrame.cpp.

References GetInterface().

◆ operator=()

const ScriptedFrame & lldb_private::ScriptedFrame::operator= ( const ScriptedFrame & )

privatedelete

References ScriptedFrame().

Member Data Documentation

◆ m_register_info_sp

std::shared_ptr<DynamicRegisterInfo> lldb_private::ScriptedFrame::m_register_info_sp

private

Definition at line 58 of file ScriptedFrame.h.

Referenced by GetDynamicRegisterInfo(), and ScriptedFrame().

◆ m_script_object_sp

lldb_private::StructuredData::GenericSP lldb_private::ScriptedFrame::m_script_object_sp

private

Definition at line 57 of file ScriptedFrame.h.

Referenced by CheckInterpreterAndScriptObject(), and ScriptedFrame().

◆ m_scripted_frame_interface_sp

lldb::ScriptedFrameInterfaceSP lldb_private::ScriptedFrame::m_scripted_frame_interface_sp

private

Definition at line 56 of file ScriptedFrame.h.

Referenced by GetInterface(), and ScriptedFrame().

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ScriptedFrame() [1/2]

◆ ~ScriptedFrame()

◆ ScriptedFrame() [2/2]

Member Function Documentation

◆ CheckInterpreterAndScriptObject()

◆ Create()

◆ GetDisplayFunctionName()

◆ GetDynamicRegisterInfo()

◆ GetFunctionName()

◆ GetInterface()

◆ IsArtificial()

◆ IsHidden()

◆ IsInlined()

◆ operator=()

Member Data Documentation

◆ m_register_info_sp

◆ m_script_object_sp

◆ m_scripted_frame_interface_sp