#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/AST/ByteCode/InterpState.h"

Inheritance diagram for clang::interp::InterpState:

Public Member Functions
	InterpState (State &Parent, Program &P, InterpStack &Stk, Context &Ctx, SourceMapper *M=nullptr)

	~InterpState ()

void	cleanup ()

	InterpState (const InterpState &)=delete

InterpState &	operator= (const InterpState &)=delete

Frame *	getSplitFrame ()

Frame *	getCurrentFrame () override

unsigned	getCallStackDepth () override

const Frame *	getBottomFrame () const override

Expr::EvalStatus &	getEvalStatus () const override

ASTContext &	getASTContext () const override

bool	checkingForUndefinedBehavior () const override

bool	keepEvaluatingAfterFailure () const override

bool	keepEvaluatingAfterSideEffect () const override

bool	checkingPotentialConstantExpression () const override

bool	noteUndefinedBehavior () override

bool	inConstantContext () const

bool	hasActiveDiagnostic () override

void	setActiveDiagnostic (bool Flag) override

void	setFoldFailureDiagnostic (bool Flag) override

bool	hasPriorDiagnostic () override

bool	noteSideEffect () override

bool	reportOverflow (const Expr *E, const llvm::APSInt &Value)
	Reports overflow and return true if evaluation should continue.

void	deallocate (Block *B)
	Deallocates a pointer.

SourceInfo	getSource (const Function *F, CodePtr PC) const override
	Delegates source mapping to the mapper.

Context &	getContext () const

void	setEvalLocation (SourceLocation SL)

DynamicAllocator &	getAllocator ()

bool	maybeDiagnoseDanglingAllocations ()
	Diagnose any dynamic allocations that haven't been freed yet.

Public Member Functions inherited from clang::interp::State
virtual	~State ()

virtual bool	checkingForUndefinedBehavior () const =0

virtual bool	checkingPotentialConstantExpression () const =0

virtual bool	noteUndefinedBehavior ()=0

virtual bool	keepEvaluatingAfterFailure () const =0

virtual bool	keepEvaluatingAfterSideEffect () const =0

virtual Frame *	getCurrentFrame ()=0

virtual const Frame *	getBottomFrame () const =0

virtual bool	hasActiveDiagnostic ()=0

virtual void	setActiveDiagnostic (bool Flag)=0

virtual void	setFoldFailureDiagnostic (bool Flag)=0

virtual Expr::EvalStatus &	getEvalStatus () const =0

virtual ASTContext &	getASTContext () const =0

virtual bool	hasPriorDiagnostic ()=0

virtual unsigned	getCallStackDepth ()=0

virtual bool	noteSideEffect ()=0

	State ()=default

OptionalDiagnostic	FFDiag (SourceLocation Loc, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)
	Diagnose that the evaluation could not be folded (FF => FoldFailure)

OptionalDiagnostic	FFDiag (const Expr *E, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)

OptionalDiagnostic	FFDiag (const SourceInfo &SI, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)

OptionalDiagnostic	CCEDiag (SourceLocation Loc, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)
	Diagnose that the evaluation does not produce a C++11 core constant expression.

OptionalDiagnostic	CCEDiag (const Expr *E, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)

OptionalDiagnostic	CCEDiag (const SourceInfo &SI, diag::kind DiagId=diag::note_invalid_subexpr_in_const_expr, unsigned ExtraNotes=0)

OptionalDiagnostic	Note (SourceLocation Loc, diag::kind DiagId)
	Add a note to a prior diagnostic.

void	addNotes (ArrayRef< PartialDiagnosticAt > Diags)
	Add a stack of notes to a prior diagnostic.

DiagnosticBuilder	report (SourceLocation Loc, diag::kind DiagId)
	Directly reports a diagnostic message.

const LangOptions &	getLangOpts () const

Public Member Functions inherited from clang::interp::SourceMapper
virtual	~SourceMapper ()

virtual SourceInfo	getSource (const Function *F, CodePtr PC) const =0
	Returns source information for a given PC in a function.

const Expr *	getExpr (const Function *F, CodePtr PC) const
	Returns the expression if an opcode belongs to one, null otherwise.

SourceLocation	getLocation (const Function *F, CodePtr PC) const
	Returns the location from which an opcode originates.

SourceRange	getRange (const Function *F, CodePtr PC) const

Public Attributes
Program &	P
	Reference to the module containing all bytecode.

InterpStack &	Stk
	Temporary stack.

Context &	Ctx
	Interpreter Context.

InterpFrame *	Current = nullptr
	The current frame.

SourceLocation	EvalLocation
	Source location of the evaluating expression.

const VarDecl *	EvaluatingDecl = nullptr
	Declaration we're initializing/evaluting, if any.

llvm::SmallVector< std::pair< const Expr , const LifetimeExtendedTemporaryDecl > >	SeenGlobalTemporaries

Public Attributes inherited from clang::interp::State
bool	InConstantContext = false
	Whether or not we're in a context where the front end requires a constant value.

Friends
class	EvaluationResult

class	InterpStateCCOverride

Detailed Description

Interpreter context.

Definition at line 36 of file InterpState.h.

Constructor & Destructor Documentation

◆ InterpState() [1/2]

InterpState::InterpState	(	State &	Parent,
		Program &	P,
		InterpStack &	Stk,
		Context &	Ctx,
		SourceMapper *	M = `nullptr`
	)

Definition at line 18 of file InterpState.cpp.

◆ ~InterpState()

InterpState::~InterpState ( )

Definition at line 29 of file InterpState.cpp.

References clang::interp::InterpFrame::Caller, and Current.

◆ InterpState() [2/2]

clang::interp::InterpState::InterpState ( const InterpState & )

delete

Member Function Documentation

◆ checkingForUndefinedBehavior()

bool clang::interp::InterpState::checkingForUndefinedBehavior ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 65 of file InterpState.h.

References Parent.

◆ checkingPotentialConstantExpression()

bool clang::interp::InterpState::checkingPotentialConstantExpression ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 74 of file InterpState.h.

References Parent.

Referenced by maybeDiagnoseDanglingAllocations().

◆ cleanup()

void InterpState::cleanup ( )

Definition at line 43 of file InterpState.cpp.

References clang::interp::DynamicAllocator::cleanup(), and P.

Referenced by clang::interp::EvalEmitter::cleanup().

◆ deallocate()

void InterpState::deallocate ( Block * B )

Deallocates a pointer.

Definition at line 67 of file InterpState.cpp.

References D, clang::interp::Block::data(), clang::interp::Block::getDescriptor(), clang::interp::Descriptor::getMetadataSize(), clang::interp::Block::getSize(), clang::interp::Block::hasPointers(), clang::interp::Block::invokeDtor(), clang::interp::Descriptor::MoveFn, and clang::interp::Block::rawData().

Referenced by clang::interp::InterpFrame::destroy(), and clang::interp::InterpFrame::~InterpFrame().

◆ getAllocator()

DynamicAllocator & clang::interp::InterpState::getAllocator ( )

inline

Definition at line 110 of file InterpState.h.

◆ getASTContext()

ASTContext & clang::interp::InterpState::getASTContext ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 62 of file InterpState.h.

References Parent.

Referenced by clang::interp::InterpFrame::describe().

◆ getBottomFrame()

const Frame * clang::interp::InterpState::getBottomFrame ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 54 of file InterpState.h.

References Parent.

◆ getCallStackDepth()

unsigned clang::interp::InterpState::getCallStackDepth ( )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 51 of file InterpState.h.

References Current, and clang::interp::InterpFrame::getDepth().

◆ getContext()

Context & clang::interp::InterpState::getContext ( ) const

inline

Definition at line 106 of file InterpState.h.

References Ctx.

◆ getCurrentFrame()

Frame * InterpState::getCurrentFrame ( )

overridevirtual

Implements clang::interp::State.

Definition at line 55 of file InterpState.cpp.

References clang::interp::InterpFrame::Caller, Current, and clang::interp::State::getCurrentFrame().

◆ getEvalStatus()

Expr::EvalStatus & clang::interp::InterpState::getEvalStatus ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 59 of file InterpState.h.

References Parent.

◆ getSource()

SourceInfo clang::interp::InterpState::getSource	(	const Function *	F,
		CodePtr	PC
	)		const

inlineoverridevirtual

Delegates source mapping to the mapper.

Implements clang::interp::SourceMapper.

Definition at line 98 of file InterpState.h.

References clang::interp::Function::getSource(), and clang::interp::SourceMapper::getSource().

Referenced by clang::interp::InterpFrame::getSource().

◆ getSplitFrame()

Frame * clang::interp::InterpState::getSplitFrame ( )

inline

Definition at line 49 of file InterpState.h.

References Parent.

Referenced by clang::interp::InterpFrame::getCaller().

◆ hasActiveDiagnostic()

bool clang::interp::InterpState::hasActiveDiagnostic ( )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 81 of file InterpState.h.

References Parent.

◆ hasPriorDiagnostic()

bool clang::interp::InterpState::hasPriorDiagnostic ( )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 88 of file InterpState.h.

References Parent.

◆ inConstantContext()

bool InterpState::inConstantContext ( ) const

Definition at line 22 of file InterpState.cpp.

References clang::interp::State::InConstantContext.

Referenced by clang::interp::EvalEmitter::interpretDecl().

◆ keepEvaluatingAfterFailure()

bool clang::interp::InterpState::keepEvaluatingAfterFailure ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 68 of file InterpState.h.

References Parent.

◆ keepEvaluatingAfterSideEffect()

bool clang::interp::InterpState::keepEvaluatingAfterSideEffect ( ) const

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 71 of file InterpState.h.

References Parent.

◆ maybeDiagnoseDanglingAllocations()

bool InterpState::maybeDiagnoseDanglingAllocations ( )

Diagnose any dynamic allocations that haven't been freed yet.

Will return false if there were any allocations to diagnose, true otherwise.

Definition at line 96 of file InterpState.cpp.

References clang::interp::DynamicAllocator::allocation_sites(), clang::interp::State::CCEDiag(), checkingPotentialConstantExpression(), clang::Expr::getExprLoc(), clang::interp::DynamicAllocator::getNumAllocations(), and clang::Stmt::getSourceRange().

◆ noteSideEffect()

bool clang::interp::InterpState::noteSideEffect ( )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 89 of file InterpState.h.

References Parent.

◆ noteUndefinedBehavior()

bool clang::interp::InterpState::noteUndefinedBehavior ( )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 77 of file InterpState.h.

References Parent.

Referenced by reportOverflow().

◆ operator=()

InterpState & clang::interp::InterpState::operator= ( const InterpState & )

delete

◆ reportOverflow()

bool InterpState::reportOverflow	(	const Expr *	E,
		const llvm::APSInt &	Value
	)

Reports overflow and return true if evaluation should continue.

Definition at line 61 of file InterpState.cpp.

References clang::interp::State::CCEDiag(), E, clang::Expr::getType(), and noteUndefinedBehavior().

◆ setActiveDiagnostic()

void clang::interp::InterpState::setActiveDiagnostic ( bool Flag )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 82 of file InterpState.h.

References Parent.

◆ setEvalLocation()

void clang::interp::InterpState::setEvalLocation ( SourceLocation SL )

inline

Definition at line 108 of file InterpState.h.

References EvalLocation.

Referenced by clang::interp::EvalEmitter::interpretExpr().

◆ setFoldFailureDiagnostic()

void clang::interp::InterpState::setFoldFailureDiagnostic ( bool Flag )

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 85 of file InterpState.h.

References Parent.

Friends And Related Function Documentation

◆ EvaluationResult

friend class EvaluationResult

friend

Definition at line 118 of file InterpState.h.

◆ InterpStateCCOverride

friend class InterpStateCCOverride

friend

Definition at line 119 of file InterpState.h.

Member Data Documentation

◆ Ctx

Context& clang::interp::InterpState::Ctx

Interpreter Context.

Definition at line 136 of file InterpState.h.

Referenced by clang::interp::InterpFrame::describe(), getContext(), and clang::interp::InterpFrame::getParamPointer().

◆ Current

InterpFrame* clang::interp::InterpState::Current = nullptr

The current frame.

Definition at line 138 of file InterpState.h.

Referenced by clang::interp::EvalEmitter::EvalEmitter(), getCallStackDepth(), getCurrentFrame(), and ~InterpState().

◆ EvalLocation

SourceLocation clang::interp::InterpState::EvalLocation

Source location of the evaluating expression.

Definition at line 140 of file InterpState.h.

Referenced by clang::interp::InterpFrame::getCallRange(), and setEvalLocation().

◆ EvaluatingDecl

const VarDecl* clang::interp::InterpState::EvaluatingDecl = nullptr

Declaration we're initializing/evaluting, if any.

Definition at line 142 of file InterpState.h.

Referenced by clang::interp::EvalEmitter::interpretDecl().

◆ P

Program& clang::interp::InterpState::P

Reference to the module containing all bytecode.

Definition at line 132 of file InterpState.h.

Referenced by cleanup().

◆ SeenGlobalTemporaries

llvm::SmallVector< std::pair<const Expr *, const LifetimeExtendedTemporaryDecl *> > clang::interp::InterpState::SeenGlobalTemporaries

Definition at line 146 of file InterpState.h.

◆ Stk

InterpStack& clang::interp::InterpState::Stk

Temporary stack.

Definition at line 134 of file InterpState.h.

Referenced by clang::interp::EvalEmitter::jumpFalse(), and clang::interp::EvalEmitter::jumpTrue().

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

lib/AST/ByteCode/InterpState.h
lib/AST/ByteCode/InterpState.cpp

Public Member Functions

Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ InterpState() [1/2]

◆ ~InterpState()

◆ InterpState() [2/2]

Member Function Documentation

◆ checkingForUndefinedBehavior()

◆ checkingPotentialConstantExpression()

◆ cleanup()

◆ deallocate()

◆ getAllocator()

◆ getASTContext()

◆ getBottomFrame()

◆ getCallStackDepth()

◆ getContext()

◆ getCurrentFrame()

◆ getEvalStatus()

◆ getSource()

◆ getSplitFrame()

◆ hasActiveDiagnostic()

◆ hasPriorDiagnostic()

◆ inConstantContext()

◆ keepEvaluatingAfterFailure()

◆ keepEvaluatingAfterSideEffect()

◆ maybeDiagnoseDanglingAllocations()

◆ noteSideEffect()

◆ noteUndefinedBehavior()

◆ operator=()

◆ reportOverflow()

◆ setActiveDiagnostic()

◆ setEvalLocation()

◆ setFoldFailureDiagnostic()

Friends And Related Function Documentation

◆ EvaluationResult

◆ InterpStateCCOverride

Member Data Documentation

◆ Ctx

◆ Current

◆ EvalLocation

◆ EvaluatingDecl

◆ P

◆ SeenGlobalTemporaries

◆ Stk