clang::interp::EvaluationResult Class Reference

Defines the result of an evaluation. More...

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

Public Types
enum	ResultKind { Empty , Invalid , Valid }
using	DeclTy = llvm::PointerUnion<const Decl *, const Expr *>

Public Member Functions
	EvaluationResult (const Context *Ctx)
bool	empty () const
bool	isInvalid () const
APValue	toAPValue () const
	Returns an APValue for the evaluation result.
APValue	stealAPValue ()
bool	checkFullyInitialized (InterpState &S, const Pointer &Ptr) const
	Check that all subobjects of the given pointer have been initialized.
bool	checkReturnValue (InterpState &S, const Context &Ctx, const Pointer &Ptr, const SourceInfo &Info)
	Check that none of the blocks the given pointer (transitively) points to are dynamically allocated.
QualType	getSourceType () const
void	dump () const
	Dump to stderr.

Friends
class	EvalEmitter
class	InterpState

Detailed Description

Defines the result of an evaluation.

The Kind defined if the evaluation was invalid, valid (but empty, e.g. for void expressions) or if we have a valid evaluation result.

We use this class to inspect and diagnose the result, as well as convert it to the requested form.

Definition at line 31 of file EvaluationResult.h.

Member Typedef Documentation

DeclTy

using clang::interp::EvaluationResult::DeclTy = llvm::PointerUnion<const Decl *, const Expr *>

Definition at line 39 of file EvaluationResult.h.

Member Enumeration Documentation

ResultKind

enum clang::interp::EvaluationResult::ResultKind

Enumerator
Empty
Invalid
Valid

Definition at line 33 of file EvaluationResult.h.

Constructor & Destructor Documentation

EvaluationResult()

clang::interp::EvaluationResult::EvaluationResult ( const Context * Ctx )

inline

Definition at line 67 of file EvaluationResult.h.

Member Function Documentation

checkFullyInitialized()

bool clang::interp::EvaluationResult::checkFullyInitialized	(	InterpState &	S,
		const Pointer &	Ptr ) const

Check that all subobjects of the given pointer have been initialized.

Definition at line 129 of file EvaluationResult.cpp.

References clang::cast(), clang::interp::CheckArrayInitialized(), clang::interp::CheckFieldsInitialized(), empty(), clang::Type::getAsArrayTypeUnsafe(), clang::interp::Pointer::getRecord(), clang::interp::Pointer::getType(), InterpState, clang::interp::Pointer::isLive(), and clang::interp::Pointer::isZero().

checkReturnValue()

bool clang::interp::EvaluationResult::checkReturnValue	(	InterpState &	S,
		const Context &	Ctx,
		const Pointer &	Ptr,
		const SourceInfo &	Info )

Check that none of the blocks the given pointer (transitively) points to are dynamically allocated.

Definition at line 199 of file EvaluationResult.cpp.

References clang::interp::collectBlocks(), clang::interp::State::FFDiag(), clang::interp::Pointer::getType(), InterpState, clang::interp::Pointer::isArrayElement(), clang::Type::isReferenceType(), clang::interp::Pointer::isRoot(), and clang::interp::State::Note().

dump()

LLVM_DUMP_METHOD void EvaluationResult::dump

(

)

const

Dump to stderr.

Definition at line 564 of file Disasm.cpp.

References empty(), and isInvalid().

empty()

bool clang::interp::EvaluationResult::empty ( ) const

inline

Definition at line 72 of file EvaluationResult.h.

References Empty.

Referenced by checkFullyInitialized(), dump(), and toAPValue().

getSourceType()

QualType clang::interp::EvaluationResult::getSourceType ( ) const

inline

Definition at line 91 of file EvaluationResult.h.

isInvalid()

bool clang::interp::EvaluationResult::isInvalid ( ) const

inline

Definition at line 73 of file EvaluationResult.h.

References Invalid.

Referenced by toAPValue().

stealAPValue()

APValue clang::interp::EvaluationResult::stealAPValue ( )

inline

Definition at line 82 of file EvaluationResult.h.

toAPValue()

APValue clang::interp::EvaluationResult::toAPValue ( ) const

inline

Returns an APValue for the evaluation result.

Definition at line 76 of file EvaluationResult.h.

References empty(), and isInvalid().

Friends And Related Symbol Documentation

EvalEmitter

friend class EvalEmitter

friend

Definition at line 103 of file EvaluationResult.h.

References EvalEmitter.

Referenced by EvalEmitter.

InterpState

friend class InterpState

friend

Definition at line 104 of file EvaluationResult.h.

References InterpState.

Referenced by checkFullyInitialized(), checkReturnValue(), and InterpState.

---

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

• lib/AST/ByteCode/EvaluationResult.h
• lib/AST/ByteCode/Disasm.cpp
• lib/AST/ByteCode/EvaluationResult.cpp