clang::interp::InterpState Class Reference

Interpreter context. More...

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

Inheritance diagram for clang::interp::InterpState:

Public Member Functions
	InterpState (const State &Parent, Program &P, InterpStack &Stk, Context &Ctx, SourceMapper *M=nullptr)
	InterpState (const State &Parent, Program &P, InterpStack &Stk, Context &Ctx, const Function *Func)
	~InterpState ()
void	cleanup ()
	InterpState (const InterpState &)=delete
InterpState &	operator= (const InterpState &)=delete
bool	diagnosing () const
const Frame *	getCurrentFrame () override
unsigned	getCallStackDepth () override
bool	stepsLeft () const override
bool	inConstantContext () const
void	deallocate (Block *B)
	Deallocates a pointer.
SourceInfo	getSource (CodePtr PC) const
	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.
StdAllocatorCaller	getStdAllocatorCaller (StringRef Name) const
void *	allocate (size_t Size, unsigned Align=8) const
template<typename T>
T *	allocate (size_t Num=1) const
template<typename T>
T	allocAP (unsigned BitWidth)
Floating	allocFloat (const llvm::fltSemantics &Sem)
const CXXRecordDecl **	allocMemberPointerPath (unsigned Length)
PointerPathEntry *	allocPointerPath (unsigned Length, const PointerPathEntry *OldPP)
PointerPathEntry *	extendPointerPath (unsigned NewLength, const PointerPathEntry *OldPP, PointerPathEntry NewEntry)
	Allocate a new pointer path of Length NewLength.
bool	noteStep (CodePtr OpPC)
	Note that a step has been executed.
bool	initializingBlock (const Block *B) const
bool	lifetimeStartedInEvaluation (const Block *B) const
bool	checkingConstantDestruction () const
	Return if we're checking if a global variable has a constant destructor.
bool	checkingConstantDestruction (const Pointer &Ptr) const
	Return if we're checking if a global variable has a constant destructor and the given pointer is pointing to the variable we're checking that for.
bool	checkingConstantDestruction (const VarDecl *VD) const
unsigned	newStringID ()
Public Member Functions inherited from clang::interp::State
	State (ASTContext &ASTCtx, Expr::EvalStatus &EvalStatus)
virtual	~State ()
Expr::EvalStatus &	getEvalStatus () const
ASTContext &	getASTContext () const
const LangOptions &	getLangOpts () const
bool	emitRelaxedDiag (SourceLocation Loc, diag::kind DiagId)
	If DiagId should be relaxed as per the current evaluation settings, emit it as a warning instead of an error.
bool	noteSideEffect () const
	Note that we have had a side-effect, and determine whether we should keep evaluating.
bool	keepEvaluatingAfterFailure () const
	Should we continue evaluation as much as possible after encountering a construct which can't be reduced to a value?
bool	keepEvaluatingAfterSideEffect () const
	Should we continue evaluation after encountering a side-effect that we couldn't model?
bool	noteUndefinedBehavior () const
	Note that we hit something that was technically undefined behavior, but that we can evaluate past it (such as signed overflow or floating-point division by zero.)
bool	checkingPotentialConstantExpression () const
	Are we checking whether the expression is a potential constant expression?
bool	checkingForUndefinedBehavior () const
	Are we checking an expression for overflow?
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 (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 (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.
OptionalDiagnostic	Note (SourceInfo Loc, diag::kind DiagId)
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.

Public Attributes
CodePtr	PC
Program &	P
	Reference to the module containing all bytecode.
InterpStack &	Stk
	Temporary stack.
Context &	Ctx
	Interpreter Context.
InterpFrame	BottomFrame
	Bottom function frame.
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.
unsigned	StepsLeft = 1
	Steps left during evaluation.
const bool	InfiniteSteps = false
	Whether infinite evaluation steps have been requested.
const unsigned	EvalID
	ID identifying this evaluation.
unsigned	StringID = 0
EvaluationKind	EvalKind = EvaluationKind::None
SmallVectorImpl< PartialDiagnosticAt > *	PrevDiags = nullptr
	Things needed to do speculative execution.
bool	PrevDiagsEmitted = false
unsigned	SpeculationDepth = 0
unsigned	DiagIgnoreDepth = 0
std::optional< bool >	ConstantContextOverride
llvm::SmallVector< std::pair< const Expr *, const LifetimeExtendedTemporaryDecl * > >	SeenGlobalTemporaries
llvm::SmallVector< PtrView >	InitializingPtrs
	List of blocks we're currently running either constructors or destructors for.
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.
bool	CheckingPotentialConstantExpression = false
	Whether we're checking that an expression is a potential constant expression.
bool	CheckingForUndefinedBehavior = false
	Whether we're checking for an expression that has undefined behavior.
EvaluationMode	EvalMode
ASTContext &	Ctx
Expr::EvalStatus &	EvalStatus

Friends
class	EvaluationResult
class	InterpStateCCOverride

Detailed Description

Interpreter context.

Definition at line 43 of file InterpState.h.

Constructor & Destructor Documentation

InterpState() [1/3]

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

Definition at line 20 of file InterpState.cpp.

References BottomFrame, clang::interp::State::CheckingForUndefinedBehavior, clang::interp::State::CheckingPotentialConstantExpression, Ctx, Current, EvalID, clang::interp::State::EvalMode, clang::interp::State::getASTContext(), clang::interp::State::getEvalStatus(), clang::interp::State::getLangOpts(), clang::interp::State::InConstantContext, InfiniteSteps, P, clang::interp::State::State(), StepsLeft, and Stk.

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

InterpState() [2/3]

InterpState::InterpState	(	const State &	Parent,
		Program &	P,
		InterpStack &	Stk,
		Context &	Ctx,
		const Function *	Func )

Definition at line 33 of file InterpState.cpp.

References BottomFrame, clang::interp::State::CheckingForUndefinedBehavior, clang::interp::State::CheckingPotentialConstantExpression, Ctx, Current, EvalID, clang::interp::State::EvalMode, clang::Func, clang::interp::State::getASTContext(), clang::interp::State::getEvalStatus(), clang::interp::State::getLangOpts(), clang::interp::State::InConstantContext, InfiniteSteps, clang::nullptr, P, clang::interp::State::State(), StepsLeft, and Stk.

~InterpState()

InterpState::~InterpState

(

)

Definition at line 53 of file InterpState.cpp.

References BottomFrame, Current, Next, and P.

InterpState() [3/3]

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

delete

References InterpState().

Member Function Documentation

allocAP()

template<typename T>

T clang::interp::InterpState::allocAP ( unsigned BitWidth )

inline

Definition at line 101 of file InterpState.h.

References allocate(), and clang::T.

Referenced by clang::interp::AddSubMulHelper(), clang::interp::assignIntegral(), clang::interp::BitAnd(), clang::interp::BitCastPrim(), clang::interp::BitOr(), clang::interp::BitXor(), clang::interp::CastAP(), clang::interp::CastAPS(), clang::interp::CastPointerIntegralAP(), clang::interp::CastPointerIntegralAPS(), clang::interp::Comp(), clang::interp::Const(), clang::interp::Div(), clang::interp::Divc(), clang::interp::DoBitCastPtr(), clang::interp::floatAPCast(), clang::interp::IncDecHelper(), clang::interp::InitBitField(), clang::interp::InitBitFieldActivate(), clang::interp::Mulc(), clang::interp::Neg(), clang::interp::pushInteger(), clang::interp::Rem(), clang::interp::Shl(), clang::interp::Shr(), clang::interp::ZeroIntAP(), and clang::interp::ZeroIntAPS().

allocate() [1/2]

template<typename T>

T * clang::interp::InterpState::allocate ( size_t Num = 1 ) const

inline

Definition at line 97 of file InterpState.h.

References allocate(), clang::Num, and clang::T.

allocate() [2/2]

void * clang::interp::InterpState::allocate ( size_t Size, unsigned Align = 8 ) const

inline

Definition at line 92 of file InterpState.h.

Referenced by allocAP(), allocate(), allocFloat(), allocMemberPointerPath(), allocPointerPath(), and extendPointerPath().

allocFloat()

Floating clang::interp::InterpState::allocFloat ( const llvm::fltSemantics & Sem )

inline

Definition at line 110 of file InterpState.h.

References allocate(), and clang::interp::Floating::singleWord().

Referenced by clang::interp::abs(), clang::interp::Addf(), clang::interp::BitCastPrim(), clang::interp::CastFixedPointFloating(), clang::interp::CastFP(), clang::interp::CastIntegralFloating(), clang::interp::ConstFloat(), clang::interp::Divc(), clang::interp::Divf(), clang::interp::IncDecFloatHelper(), clang::interp::interp__builtin_copysign(), clang::interp::interp__builtin_elementwise_triop_fp(), clang::interp::interp__builtin_fmax(), clang::interp::interp__builtin_fmin(), clang::interp::interp__builtin_ia32_cvtpd2ps(), clang::interp::interp__builtin_ia32_cvtsd2ss(), clang::interp::interp__builtin_inf(), clang::interp::interp__builtin_nan(), clang::interp::Mulc(), clang::interp::Mulf(), clang::interp::Neg(), clang::interp::ReadArg< Floating >(), and clang::interp::Subf().

allocMemberPointerPath()

const CXXRecordDecl ** clang::interp::InterpState::allocMemberPointerPath ( unsigned Length )

inline

Definition at line 120 of file InterpState.h.

References allocate().

Referenced by clang::interp::appendToMemberPointer(), clang::interp::castBackMemberPointer(), and clang::interp::CopyMemberPtrPath().

allocPointerPath()

PointerPathEntry * clang::interp::InterpState::allocPointerPath ( unsigned Length, const PointerPathEntry * OldPP )

inline

Definition at line 124 of file InterpState.h.

References allocate().

Referenced by clang::interp::addSubOffsetOpaque().

checkingConstantDestruction() [1/3]

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

inline

Return if we're checking if a global variable has a constant destructor.

Definition at line 179 of file InterpState.h.

References clang::interp::Dtor, and EvalKind.

Referenced by clang::interp::CheckConstant(), clang::interp::CheckConstant(), clang::interp::checkDestructor(), checkingConstantDestruction(), clang::interp::CheckMutable(), CheckTemporary(), and CheckTemporary().

checkingConstantDestruction() [2/3]

bool clang::interp::InterpState::checkingConstantDestruction ( const Pointer & Ptr ) const

inline

Return if we're checking if a global variable has a constant destructor and the given pointer is pointing to the variable we're checking that for.

Definition at line 184 of file InterpState.h.

References checkingConstantDestruction().

checkingConstantDestruction() [3/3]

bool clang::interp::InterpState::checkingConstantDestruction ( const VarDecl * VD ) const

inline

Definition at line 187 of file InterpState.h.

References clang::interp::Dtor, EvalKind, and EvaluatingDecl.

cleanup()

void InterpState::cleanup

(

)

Definition at line 74 of file InterpState.cpp.

deallocate()

void InterpState::deallocate

(

Block *

B

)

Deallocates a pointer.

Definition at line 83 of file InterpState.cpp.

References clang::interp::Block::getSize(), clang::interp::Block::hasPointers(), clang::interp::Block::invokeDtor(), clang::interp::Block::isDead(), clang::interp::Block::isDynamic(), clang::interp::Block::isInitialized(), clang::interp::Block::isStatic(), and clang::interp::Block::rawData().

Referenced by clang::interp::Destroy().

diagnosing()

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

inline

Definition at line 57 of file InterpState.h.

References clang::Expr::EvalStatus::Diag, and clang::interp::State::getEvalStatus().

Referenced by clang::interp::convertDoubleToFloatStrict(), clang::interp::diagnoseNonConstexprBuiltin(), diagnoseNonConstVariable(), diagnoseUnknownDecl(), and clang::interp::PushIgnoreDiags().

extendPointerPath()

PointerPathEntry * clang::interp::InterpState::extendPointerPath ( unsigned NewLength, const PointerPathEntry * OldPP, PointerPathEntry NewEntry )

inline

Allocate a new pointer path of Length NewLength.

NewLength - 1 elements are copied form OldPP.

Definition at line 135 of file InterpState.h.

References allocate().

Referenced by clang::interp::arrayElemPtrOpaque(), clang::interp::getBase(), clang::interp::getField(), and clang::interp::virtBaseHelper().

getAllocator()

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

inline

Definition at line 77 of file InterpState.h.

Referenced by clang::interp::Alloc(), clang::interp::AllocCN(), clang::interp::AllocN(), clang::interp::Free(), clang::interp::interp__builtin_operator_delete(), and clang::interp::interp__builtin_operator_new().

getCallStackDepth()

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

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 61 of file InterpState.h.

References Current.

getContext()

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

inline

Definition at line 73 of file InterpState.h.

References Ctx.

Referenced by clang::interp::CallVirt(), clang::interp::compileFunction(), clang::interp::diagnoseTypeIdField(), clang::interp::DoBitCast(), clang::interp::DoBitCastPtr(), clang::interp::DoMemcpy(), clang::interp::getBase(), clang::interp::getField(), clang::interp::GetMemberPtrDecl(), clang::interp::GetTypeidPtr(), clang::interp::interp__builtin_addressof(), clang::interp::interp__builtin_carryop(), clang::interp::interp__builtin_elementwise_abs(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_elementwise_int_binop(), clang::interp::interp__builtin_elementwise_int_unaryop(), clang::interp::interp__builtin_elementwise_maxmin(), clang::interp::interp__builtin_elementwise_triop(), clang::interp::interp__builtin_expect(), clang::interp::interp__builtin_fpclassify(), clang::interp::interp__builtin_ia32_addcarry_subborrow(), clang::interp::interp__builtin_ia32_dbpsadbw(), clang::interp::interp__builtin_ia32_gfni_affine(), clang::interp::interp__builtin_ia32_gfni_mul(), clang::interp::interp__builtin_ia32_movmsk_op(), clang::interp::interp__builtin_ia32_mpsadbw(), clang::interp::interp__builtin_ia32_multishiftqb(), clang::interp::interp__builtin_ia32_pack(), clang::interp::interp__builtin_ia32_pclmulqdq(), clang::interp::interp__builtin_ia32_phminposuw(), clang::interp::interp__builtin_ia32_pmul(), clang::interp::interp__builtin_ia32_psadbw(), clang::interp::interp__builtin_ia32_pternlog(), clang::interp::interp__builtin_ia32_shift_with_count(), clang::interp::interp__builtin_ia32_shufbitqmb_mask(), clang::interp::interp__builtin_ia32_shuffle_generic(), clang::interp::interp__builtin_ia32_test_op(), clang::interp::interp__builtin_ia32_vcvtps2ph(), clang::interp::interp__builtin_ia32_vpconflict(), clang::interp::interp__builtin_ia32_vpdp(), clang::interp::interp__builtin_infer_alloc_token(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_memcmp(), clang::interp::interp__builtin_operator_delete(), clang::interp::interp__builtin_operator_new(), clang::interp::interp__builtin_overflowop(), clang::interp::interp__builtin_strcmp(), clang::interp::interp__builtin_vector_reduce(), clang::interp::interp_builtin_horizontal_int_binop(), clang::interp::interp_builtin_ia32_cvt_vector_to_int(), clang::interp::popToAPSInt(), clang::interp::popToAPSInt(), clang::interp::popToUInt64(), clang::interp::pushInteger(), and clang::interp::runRecordDestructor().

getCurrentFrame()

const Frame * InterpState::getCurrentFrame ( )

overridevirtual

Implements clang::interp::State.

Definition at line 81 of file InterpState.cpp.

References Current.

getSource()

SourceInfo clang::interp::InterpState::getSource ( CodePtr PC ) const

inline

Delegates source mapping to the mapper.

Definition at line 71 of file InterpState.h.

References PC.

getStdAllocatorCaller()

StdAllocatorCaller InterpState::getStdAllocatorCaller

(

StringRef

Name

)

const

Definition at line 130 of file InterpState.cpp.

References clang::cast(), Current, clang::Func, clang::IdentifierInfo::isStr(), clang::TemplateArgumentList::size(), and clang::TemplateArgument::Type.

Referenced by clang::interp::CheckBitCast(), clang::interp::interp__builtin_operator_delete(), clang::interp::interp__builtin_operator_new(), and clang::interp::PtrPtrCast().

inConstantContext()

bool InterpState::inConstantContext

(

)

const

Definition at line 46 of file InterpState.cpp.

References ConstantContextOverride, and clang::interp::State::InConstantContext.

Referenced by clang::interp::ArrayDecay(), clang::interp::arrayElemPtr(), clang::interp::BCP(), clang::interp::CheckEnumValue(), clang::interp::CheckFloatStatus(), clang::interp::CheckNewTypeMismatch(), clang::interp::CmpHelperEQ< Pointer >(), diagnoseUnknownDecl(), clang::interp::getField(), clang::interp::IncDecHelper(), clang::interp::interp__builtin_is_constant_evaluated(), clang::interp::interp__builtin_is_within_lifetime(), clang::interp::IsConstantContext(), and clang::interp::SizelessVectorElementSize().

initializingBlock()

bool clang::interp::InterpState::initializingBlock ( const Block * B ) const

inline

Definition at line 159 of file InterpState.h.

References InitializingPtrs, and V.

Referenced by clang::interp::CheckVolatile(), and clang::interp::interp__builtin_is_within_lifetime().

lifetimeStartedInEvaluation()

bool clang::interp::InterpState::lifetimeStartedInEvaluation ( const Block * B ) const

inline

Definition at line 166 of file InterpState.h.

References clang::interp::Descriptor::asVarDecl(), clang::interp::Dtor, EvalID, EvalKind, EvaluatingDecl, clang::interp::Block::getDescriptor(), clang::interp::Block::getEvalID(), and clang::interp::None.

Referenced by clang::interp::CheckMutable().

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 111 of file InterpState.cpp.

References clang::interp::State::CCEDiag(), clang::interp::State::checkingPotentialConstantExpression(), and clang::interp::State::getLangOpts().

Referenced by clang::interp::CheckAllocations().

newStringID()

unsigned clang::interp::InterpState::newStringID ( )

inline

Definition at line 191 of file InterpState.h.

References StringID.

Referenced by clang::interp::GetStringPtr().

noteStep()

bool clang::interp::InterpState::noteStep ( CodePtr OpPC )

inline

Note that a step has been executed.

If there are no more steps remaining, diagnoses and returns false.

Definition at line 148 of file InterpState.h.

References InfiniteSteps, and StepsLeft.

Referenced by Jf(), Jmp(), and Jt().

operator=()

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

delete

References InterpState().

setEvalLocation()

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

inline

Definition at line 75 of file InterpState.h.

References EvalLocation.

stepsLeft()

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

inlineoverridevirtual

Implements clang::interp::State.

Definition at line 64 of file InterpState.h.

Friends And Related Symbol Documentation

EvaluationResult

friend class EvaluationResult

friend

Definition at line 194 of file InterpState.h.

References EvaluationResult.

Referenced by EvaluationResult.

InterpStateCCOverride

friend class InterpStateCCOverride

friend

Definition at line 195 of file InterpState.h.

References InterpStateCCOverride.

Referenced by InterpStateCCOverride.

Member Data Documentation

BottomFrame

InterpFrame clang::interp::InterpState::BottomFrame

Bottom function frame.

Definition at line 216 of file InterpState.h.

Referenced by InterpState(), InterpState(), and ~InterpState().

ConstantContextOverride

std::optional<bool> clang::interp::InterpState::ConstantContextOverride

Definition at line 242 of file InterpState.h.

Referenced by inConstantContext(), clang::interp::PopCC(), and clang::interp::PushCC().

Ctx

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

Interpreter Context.

Definition at line 214 of file InterpState.h.

Referenced by clang::interp::CallPtr(), clang::interp::CastMemberPtrPtr(), clang::interp::CheckNonNullArgs(), clang::interp::getBase(), getContext(), clang::interp::getField(), clang::interp::interp__builtin_assume_aligned(), clang::interp::interp__builtin_elementwise_triop_fp(), clang::interp::interp__builtin_ia32_addsub(), clang::interp::interp__builtin_is_aligned_up_down(), clang::interp::interp__builtin_operator_new(), clang::interp::interp_builtin_horizontal_fp_binop(), InterpState(), and InterpState().

Current

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

The current frame.

Definition at line 218 of file InterpState.h.

Referenced by clang::interp::ActivateThisField(), clang::interp::AddSubMulHelper(), clang::interp::addSubOffsetOpaque(), clang::interp::AllocCN(), clang::interp::AllocN(), clang::interp::allowNullSubObj(), clang::interp::ArrayDecay(), clang::interp::Assume(), clang::interp::BitCastPrim(), clang::interp::Call(), clang::interp::CallPtr(), clang::interp::CallVar(), clang::interp::CallVirt(), clang::interp::CastFloatingIntegral(), clang::interp::CheckActive(), clang::interp::CheckArray(), clang::interp::CheckArrayDestSize(), clang::interp::CheckArraySize(), clang::interp::CheckArraySize(), clang::interp::CheckBitCast(), clang::interp::CheckBitCast(), CheckBitcastType(), clang::interp::CheckCallable(), clang::interp::CheckCallDepth(), clang::interp::CheckConst(), clang::interp::CheckConstant(), clang::interp::checkConstructor(), clang::interp::CheckDeleteSource(), clang::interp::checkDestructor(), clang::interp::CheckDivRem(), clang::interp::CheckDowncast(), clang::interp::CheckDummy(), clang::interp::CheckDummy(), clang::interp::CheckDynamicMemoryAllocation(), clang::interp::CheckFloatResult(), clang::interp::CheckFloatStatus(), clang::interp::CheckFunctionDecl(), CheckGlobal(), clang::interp::CheckGlobalLoad(), clang::interp::CheckLifetime(), clang::interp::CheckLiteralType(), clang::interp::CheckLive(), clang::interp::CheckLoad(), clang::interp::CheckLocalLoad(), clang::interp::CheckMutable(), clang::interp::CheckNewDeleteForms(), clang::interp::CheckNewTypeMismatch(), clang::interp::CheckNonNullArg(), clang::interp::CheckNonNullArgs(), clang::interp::CheckNull(), clang::interp::CheckNull(), clang::interp::CheckPointerToIntegralCast(), clang::interp::CheckPseudoDtor(), clang::interp::CheckRange(), clang::interp::CheckRange(), clang::interp::CheckSubobject(), CheckTemporary(), CheckTemporary(), clang::interp::CheckThis(), clang::interp::CheckVolatile(), clang::interp::CheckWeak(), clang::interp::cleanupAfterFunctionCall(), clang::interp::CMP3(), clang::interp::CmpHelper< Pointer >(), clang::interp::CmpHelperEQ< MemberPointer >(), clang::interp::CmpHelperEQ< Pointer >(), clang::interp::CtorCheck(), clang::interp::Destroy(), clang::interp::diagnoseCallableDecl(), clang::interp::diagnoseEnumValue(), diagnoseMissingInitializer(), clang::interp::diagnoseNonConstexprBuiltin(), diagnoseNonConstVariable(), clang::interp::diagnoseShiftFailure(), clang::interp::diagnoseTypeIdField(), clang::interp::diagnoseUninitialized(), diagnoseUnknownDecl(), clang::interp::DiagTypeid(), clang::interp::Divc(), clang::interp::DoBitCastPtr(), clang::interp::DoShift(), clang::interp::DoShiftAP(), clang::interp::DynamicCast(), clang::interp::EnableLocal(), clang::interp::FnPtrCast(), clang::interp::Free(), getCallStackDepth(), getCurrentFrame(), clang::interp::getDynamicDecl(), clang::interp::GetIntPtr(), clang::interp::GetLocal(), clang::interp::GetLocalEnabled(), clang::interp::GetParam(), clang::interp::GetPtrDerivedPop(), clang::interp::GetPtrLocal(), clang::interp::GetPtrParam(), clang::interp::GetPtrThisBase(), clang::interp::GetPtrThisField(), clang::interp::GetPtrThisVirtBase(), clang::interp::GetRefLocal(), getStdAllocatorCaller(), clang::interp::GetThisField(), clang::interp::GetTypeidPtr(), clang::interp::handleFixedPointOverflow(), clang::interp::handleOverflow(), clang::interp::handleReference(), clang::interp::IncDecHelper(), clang::interp::InitElem(), clang::interp::InitElemPop(), clang::interp::InitScope(), clang::interp::InitThisBitField(), clang::interp::InitThisBitFieldActivate(), clang::interp::InitThisField(), clang::interp::InitThisFieldActivate(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_ia32_vcvtps2ph(), clang::interp::interp__builtin_is_constant_evaluated(), clang::interp::interp__builtin_is_within_lifetime(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_memcmp(), clang::interp::interp__builtin_memcpy(), clang::interp::interp__builtin_operator_delete(), clang::interp::interp__builtin_operator_new(), clang::interp::interp__builtin_strcmp(), clang::interp::Interpret(), clang::interp::InterpretBuiltin(), clang::interp::InterpretOffsetOf(), InterpState(), InterpState(), clang::interp::Invalid(), clang::interp::InvalidCast(), clang::interp::InvalidDeclRef(), clang::interp::InvalidNewDeleteExpr(), clang::interp::InvalidShuffleVectorIndex(), clang::interp::InvalidStore(), clang::interp::Neg(), clang::interp::NoRet(), clang::interp::OffsetHelper(), clang::interp::PopMSVCCE(), clang::interp::PtrPtrCast(), clang::interp::PushMSVCCE(), clang::interp::Ret(), clang::interp::RetVoid(), clang::interp::runRecordDestructor(), clang::interp::RVOPtr(), clang::interp::SetLocal(), clang::interp::SetParam(), clang::interp::ShiftFixedPoint(), clang::interp::SizelessVectorElementSize(), clang::interp::StartThisLifetime(), clang::interp::StartThisLifetime1(), clang::interp::SubPtr(), clang::interp::This(), clang::interp::Unsupported(), and ~InterpState().

DiagIgnoreDepth

unsigned clang::interp::InterpState::DiagIgnoreDepth = 0

Definition at line 241 of file InterpState.h.

Referenced by clang::interp::PopIgnoreDiags(), and clang::interp::PushIgnoreDiags().

EvalID

const unsigned clang::interp::InterpState::EvalID

ID identifying this evaluation.

Definition at line 229 of file InterpState.h.

Referenced by clang::interp::Alloc(), clang::interp::AllocCN(), clang::interp::AllocN(), CheckTemporary(), CheckTemporary(), InterpState(), InterpState(), and lifetimeStartedInEvaluation().

EvalKind

EvaluationKind clang::interp::InterpState::EvalKind = EvaluationKind::None

Definition at line 233 of file InterpState.h.

Referenced by checkingConstantDestruction(), checkingConstantDestruction(), and lifetimeStartedInEvaluation().

EvalLocation

SourceLocation clang::interp::InterpState::EvalLocation

Source location of the evaluating expression.

Definition at line 220 of file InterpState.h.

Referenced by setEvalLocation().

EvaluatingDecl

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

Declaration we're initializing/evaluting, if any.

Definition at line 222 of file InterpState.h.

Referenced by clang::interp::CheckConstant(), clang::interp::CheckDecl(), clang::interp::CheckExtern(), checkingConstantDestruction(), clang::interp::CheckLiteralType(), clang::interp::diagnoseUninitialized(), clang::interp::GetRefGlobal(), clang::interp::interp__builtin_is_within_lifetime(), and lifetimeStartedInEvaluation().

InfiniteSteps

const bool clang::interp::InterpState::InfiniteSteps = false

Whether infinite evaluation steps have been requested.

If this is false, we use the StepsLeft value above.

Definition at line 227 of file InterpState.h.

Referenced by InterpState(), InterpState(), and noteStep().

InitializingPtrs

llvm::SmallVector<PtrView> clang::interp::InterpState::InitializingPtrs

List of blocks we're currently running either constructors or destructors for.

Definition at line 250 of file InterpState.h.

Referenced by clang::interp::Call(), clang::interp::CheckConst(), clang::interp::DynamicCast(), clang::interp::EndInit(), clang::interp::getDynamicDecl(), initializingBlock(), and clang::interp::StartInit().

P

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

Reference to the module containing all bytecode.

Definition at line 210 of file InterpState.h.

Referenced by CheckGlobal(), clang::interp::compileFunction(), clang::interp::copyPrimitiveMemory(), clang::interp::copyPrimitiveMemory(), clang::interp::GetGlobal(), clang::interp::GetGlobalUnchecked(), clang::interp::GetIntPtr(), clang::interp::GetPtrGlobal(), clang::interp::GetRefGlobal(), clang::interp::InitGlobal(), clang::interp::InitGlobalTemp(), clang::interp::interp__builtin_operator_new(), InterpState(), InterpState(), and ~InterpState().

PC

CodePtr clang::interp::InterpState::PC

Definition at line 208 of file InterpState.h.

Referenced by clang::interp::BCP(), clang::interp::Call(), clang::interp::CallVar(), getSource(), clang::interp::Interpret(), Jf(), Jmp(), Jt(), clang::interp::Ret(), and clang::interp::RetVoid().

PrevDiags

SmallVectorImpl<PartialDiagnosticAt>* clang::interp::InterpState::PrevDiags = nullptr

Things needed to do speculative execution.

Definition at line 236 of file InterpState.h.

Referenced by clang::interp::PopIgnoreDiags(), and clang::interp::PushIgnoreDiags().

PrevDiagsEmitted

bool clang::interp::InterpState::PrevDiagsEmitted = false

Definition at line 237 of file InterpState.h.

Referenced by clang::interp::PopIgnoreDiags(), and clang::interp::PushIgnoreDiags().

SeenGlobalTemporaries

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

Definition at line 246 of file InterpState.h.

Referenced by clang::interp::InitGlobalTemp(), and clang::interp::InitGlobalTempComp().

SpeculationDepth

unsigned clang::interp::InterpState::SpeculationDepth = 0

Definition at line 239 of file InterpState.h.

Referenced by clang::interp::BCP(), clang::interp::EndSpeculation(), and clang::interp::StartSpeculation().

StepsLeft

unsigned clang::interp::InterpState::StepsLeft = 1

Steps left during evaluation.

Definition at line 224 of file InterpState.h.

Referenced by InterpState(), InterpState(), and noteStep().

Stk

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

Temporary stack.

Definition at line 212 of file InterpState.h.

Referenced by clang::interp::Activate(), clang::interp::Add(), clang::interp::Addf(), clang::interp::AddOffset(), clang::interp::AddrOf(), clang::interp::AddSubMulHelper(), clang::interp::AddSubNonNumber(), clang::interp::Alloc(), clang::interp::AllocCN(), clang::interp::AllocN(), clang::interp::appendToMemberPointer(), clang::interp::ArrayDecay(), clang::interp::ArrayElem(), clang::interp::ArrayElemPop(), clang::interp::ArrayElemPtr(), clang::interp::arrayElemPtr(), clang::interp::arrayElemPtrOpaque(), clang::interp::ArrayElemPtrPop(), clang::interp::Assume(), clang::interp::BCP(), clang::interp::BitAnd(), clang::interp::BitCast(), clang::interp::BitCastPrim(), clang::interp::BitOr(), clang::interp::BitXor(), clang::interp::Call(), clang::interp::CallPtr(), clang::interp::CallVar(), clang::interp::CallVirt(), clang::interp::Cast(), clang::interp::CastAP(), clang::interp::CastAPS(), clang::interp::CastAPToOffsetIndex(), clang::interp::castBackMemberPointer(), clang::interp::CastFixedPoint(), clang::interp::CastFixedPointFloating(), clang::interp::CastFixedPointIntegral(), clang::interp::CastFloatingFixedPoint(), clang::interp::CastFloatingIntegral(), clang::interp::CastFloatingIntegralAP(), clang::interp::CastFloatingIntegralAPS(), clang::interp::CastFP(), clang::interp::CastIntegralFixedPoint(), clang::interp::CastIntegralFloating(), clang::interp::CastMemberPtrBasePop(), clang::interp::CastMemberPtrDerivedPop(), clang::interp::CastMemberPtrPtr(), clang::interp::CastPointerIntegral(), clang::interp::CastPointerIntegralAP(), clang::interp::CastPointerIntegralAPS(), clang::interp::CheckArrayDestSize(), clang::interp::CheckBitCast(), clang::interp::CheckDestruction(), clang::interp::CheckEnumValue(), clang::interp::CheckNewTypeMismatch(), clang::interp::CheckNewTypeMismatchArray(), clang::interp::CheckNonNullArg(), clang::interp::CheckNonNullArgs(), clang::interp::CheckNull(), clang::interp::CheckRefInit(), clang::interp::cleanupAfterFunctionCall(), clang::interp::CMP3(), clang::interp::CmpHelper(), clang::interp::CmpHelper< Pointer >(), clang::interp::CmpHelperEQ< MemberPointer >(), clang::interp::CmpHelperEQ< Pointer >(), clang::interp::Comp(), clang::interp::Const(), clang::interp::ConstFloat(), clang::interp::CopyArray(), clang::interp::CopyMemberPtrPath(), clang::interp::Dec(), clang::interp::DecayPtr(), clang::interp::DecBitfield(), clang::interp::Decf(), clang::interp::DecfPop(), clang::interp::DecPop(), clang::interp::DecPopBitfield(), clang::interp::DecPtr(), clang::interp::Div(), clang::interp::Divc(), clang::interp::Divf(), clang::interp::DoShift(), clang::interp::DoShiftAP(), clang::interp::Dump(), clang::interp::Dup(), clang::interp::DynamicCast(), clang::interp::EndLifetime(), clang::interp::ExpandPtr(), clang::interp::FinishInit(), clang::interp::FinishInitActivate(), clang::interp::FinishInitActivatePop(), clang::interp::FinishInitGlobal(), clang::interp::FinishInitPop(), clang::interp::Flip(), clang::interp::floatAPCast(), clang::interp::Free(), clang::interp::getBase(), clang::interp::GetField(), clang::interp::getField(), clang::interp::GetFieldPop(), clang::interp::GetFnPtr(), clang::interp::GetGlobal(), clang::interp::GetGlobalUnchecked(), clang::interp::GetIntPtr(), clang::interp::GetLocal(), clang::interp::GetLocalEnabled(), clang::interp::GetMemberPtr(), clang::interp::GetMemberPtrBase(), clang::interp::GetMemberPtrDecl(), clang::interp::GetOpaquePtr(), clang::interp::GetParam(), clang::interp::GetPtrBase(), clang::interp::GetPtrBasePop(), clang::interp::GetPtrDerivedPop(), clang::interp::GetPtrField(), clang::interp::GetPtrFieldPop(), clang::interp::GetPtrGlobal(), clang::interp::GetPtrLocal(), clang::interp::GetPtrParam(), clang::interp::GetPtrThisBase(), clang::interp::GetPtrThisField(), clang::interp::GetPtrVirtBase(), clang::interp::GetPtrVirtBasePop(), clang::interp::GetRefGlobal(), clang::interp::GetStringPtr(), clang::interp::GetThisField(), clang::interp::GetTypeid(), clang::interp::GetTypeidPtr(), clang::interp::handleReference(), clang::interp::Inc(), clang::interp::IncBitfield(), clang::interp::IncDecFloatHelper(), clang::interp::IncDecHelper(), clang::interp::IncDecPtrHelper(), clang::interp::Incf(), clang::interp::IncfPop(), clang::interp::IncPop(), clang::interp::IncPopBitfield(), clang::interp::IncPtr(), clang::interp::Init(), clang::interp::InitBitField(), clang::interp::InitBitFieldActivate(), clang::interp::InitElem(), clang::interp::InitElemPop(), clang::interp::InitField(), clang::interp::InitFieldActivate(), clang::interp::InitGlobal(), clang::interp::InitGlobalTemp(), clang::interp::InitGlobalTempComp(), clang::interp::InitPop(), clang::interp::InitThisBitField(), clang::interp::InitThisBitFieldActivate(), clang::interp::InitThisField(), clang::interp::InitThisFieldActivate(), clang::interp::interp__builtin_arithmetic_fence(), clang::interp::interp__builtin_assume_aligned(), clang::interp::interp__builtin_atomic_lock_free(), clang::interp::interp__builtin_c11_atomic_is_lock_free(), clang::interp::interp__builtin_carryop(), clang::interp::interp__builtin_clz(), clang::interp::interp__builtin_complex(), clang::interp::interp__builtin_copysign(), clang::interp::interp__builtin_ctz(), clang::interp::interp__builtin_elementwise_abs(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_elementwise_fp_binop(), clang::interp::interp__builtin_elementwise_int_binop(), clang::interp::interp__builtin_elementwise_int_unaryop(), clang::interp::interp__builtin_elementwise_maxmin(), clang::interp::interp__builtin_elementwise_triop(), clang::interp::interp__builtin_elementwise_triop_fp(), clang::interp::interp__builtin_expect(), clang::interp::interp__builtin_fabs(), clang::interp::interp__builtin_fmax(), clang::interp::interp__builtin_fmin(), clang::interp::interp__builtin_fpclassify(), clang::interp::interp__builtin_ia32_addcarry_subborrow(), clang::interp::interp__builtin_ia32_addsub(), clang::interp::interp__builtin_ia32_bmac(), clang::interp::interp__builtin_ia32_cmp_mask(), clang::interp::interp__builtin_ia32_cvt_mask2vec(), clang::interp::interp__builtin_ia32_cvt_vec2mask(), clang::interp::interp__builtin_ia32_cvtpd2ps(), clang::interp::interp__builtin_ia32_cvtsd2ss(), clang::interp::interp__builtin_ia32_dbpsadbw(), clang::interp::interp__builtin_ia32_extract_vector(), clang::interp::interp__builtin_ia32_extract_vector_masked(), clang::interp::interp__builtin_ia32_gfni_affine(), clang::interp::interp__builtin_ia32_gfni_mul(), clang::interp::interp__builtin_ia32_insert_subvector(), clang::interp::interp__builtin_ia32_movmsk_op(), clang::interp::interp__builtin_ia32_mpsadbw(), clang::interp::interp__builtin_ia32_multishiftqb(), clang::interp::interp__builtin_ia32_pack(), clang::interp::interp__builtin_ia32_pclmulqdq(), clang::interp::interp__builtin_ia32_phminposuw(), clang::interp::interp__builtin_ia32_pmul(), clang::interp::interp__builtin_ia32_psadbw(), clang::interp::interp__builtin_ia32_pternlog(), clang::interp::interp__builtin_ia32_select(), clang::interp::interp__builtin_ia32_select_scalar(), clang::interp::interp__builtin_ia32_shift_with_count(), clang::interp::interp__builtin_ia32_shufbitqmb_mask(), clang::interp::interp__builtin_ia32_shuffle_generic(), clang::interp::interp__builtin_ia32_test_op(), clang::interp::interp__builtin_ia32_vcvtps2ph(), clang::interp::interp__builtin_ia32_vec_ext(), clang::interp::interp__builtin_ia32_vec_set(), clang::interp::interp__builtin_ia32_vpconflict(), clang::interp::interp__builtin_ia32_vpdp(), clang::interp::interp__builtin_inf(), clang::interp::interp__builtin_infer_alloc_token(), clang::interp::interp__builtin_is_aligned_up_down(), clang::interp::interp__builtin_is_constant_evaluated(), clang::interp::interp__builtin_is_within_lifetime(), clang::interp::interp__builtin_isfinite(), clang::interp::interp__builtin_isfpclass(), clang::interp::interp__builtin_isinf(), clang::interp::interp__builtin_isnan(), clang::interp::interp__builtin_isnormal(), clang::interp::interp__builtin_issignaling(), clang::interp::interp__builtin_issubnormal(), clang::interp::interp__builtin_iszero(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_memcmp(), clang::interp::interp__builtin_memcpy(), clang::interp::interp__builtin_nan(), clang::interp::interp__builtin_object_size(), clang::interp::interp__builtin_operator_delete(), clang::interp::interp__builtin_operator_new(), clang::interp::interp__builtin_overflowop(), clang::interp::interp__builtin_popcount(), clang::interp::interp__builtin_ptrauth_string_discriminator(), clang::interp::interp__builtin_scalar_fp_round_mask_binop(), clang::interp::interp__builtin_signbit(), clang::interp::interp__builtin_strcmp(), clang::interp::interp__builtin_strlen(), clang::interp::interp__builtin_vector_reduce(), clang::interp::interp_builtin_horizontal_fp_binop(), clang::interp::interp_builtin_horizontal_int_binop(), clang::interp::interp_builtin_ia32_cvt_scalar_to_int(), clang::interp::interp_builtin_ia32_cvt_vector_to_int(), clang::interp::interp_floating_comparison(), InterpState(), InterpState(), clang::interp::Inv(), clang::interp::IsBaseClass(), clang::interp::IsConstantContext(), clang::interp::IsNonNull(), Jf(), Jt(), clang::interp::Load(), clang::interp::LoadPop(), clang::interp::LoadPopL(), clang::interp::MarkDestroyed(), clang::interp::Memcpy(), clang::interp::Mul(), clang::interp::Mulc(), clang::interp::Mulf(), clang::interp::NarrowPtr(), clang::interp::Neg(), clang::interp::Null(), clang::interp::OffsetOf(), clang::interp::Pop(), clang::interp::popToAPSInt(), clang::interp::popToAPSInt(), clang::interp::PreDec(), clang::interp::PreDecBitfield(), clang::interp::PreInc(), clang::interp::PreIncBitfield(), clang::interp::PseudoDtor(), clang::interp::PtrPtrCast(), clang::interp::pushInteger(), clang::interp::Rem(), clang::interp::Ret(), clang::interp::RetVoid(), clang::interp::runRecordDestructor(), clang::interp::RVOPtr(), clang::interp::SetLocal(), clang::interp::SetParam(), clang::interp::ShiftFixedPoint(), clang::interp::Shl(), clang::interp::Shr(), clang::interp::StartInit(), clang::interp::Store(), clang::interp::StoreActivate(), clang::interp::StoreActivatePop(), clang::interp::StoreBitField(), clang::interp::StoreBitFieldActivate(), clang::interp::StoreBitFieldActivatePop(), clang::interp::StoreBitFieldPop(), clang::interp::StorePop(), clang::interp::Sub(), clang::interp::Subf(), clang::interp::SubOffset(), clang::interp::SubPtr(), clang::interp::This(), clang::interp::ToMemberPtr(), clang::interp::virtBaseHelper(), clang::interp::Zero(), clang::interp::ZeroIntAP(), and clang::interp::ZeroIntAPS().

StringID

unsigned clang::interp::InterpState::StringID = 0

Definition at line 231 of file InterpState.h.

Referenced by newStringID().

---

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

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