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Showing content from https://clang.llvm.org/doxygen/EvaluationResult_8cpp_source.html below:

clang: lib/AST/ByteCode/EvaluationResult.cpp Source File

(

*

= std::get_if<Pointer>(&

))

(

*FP = std::get_if<FunctionPointer>(&

))

llvm_unreachable(

);

std::get<APValue>(

);

llvm_unreachable(

);

(

*

= std::get_if<Pointer>(&

))

(

*FP = std::get_if<FunctionPointer>(&

))

llvm_unreachable(

);

assert(SubObjDecl &&

);

S.FFDiag(

, diag::note_constexpr_uninitialized)

diag::note_constexpr_subobject_declared_here);

Pointer &BasePtr,

*R);

(

I = 0; I != NumElems; ++I) {

}

(

*ElemCAT = dyn_cast<ConstantArrayType>(ElemType)) {

(

I = 0; I != NumElems; ++I) {

(

I = 0; I != NumElems; ++I) {

(

Record::Field &F : R->

()) {

FieldType = F.Decl->getType();

}

(F.Decl->isUnnamedBitField()) {

(

[I, B] : llvm::enumerate(R->

())) {

(!

.isInitialized()) {

(

*CD = dyn_cast_if_present<CXXRecordDecl>(R->

())) {

&BS = *std::next(CD->bases_begin(), I);

S.FFDiag(TypeBeginLoc, diag::note_constexpr_uninitialized_base)

<< B.Desc->getType() <<

(TypeBeginLoc, BS.getEndLoc());

S.FFDiag(Desc->

(), diag::note_constexpr_uninitialized_base)

<< B.Desc->getType();

(

*

= dyn_cast<const Decl *>(Source))

InitLoc = cast<VarDecl>(

)->getAnyInitializer()->getExprLoc();

(

*

= dyn_cast<const Expr *>(Source))

InitLoc =

->getExprLoc();

(

*CAT = dyn_cast_if_present<ConstantArrayType>(

llvm::SetVector<const Block *> &Blocks) {

isUsefulPtr = [](

&

) ->

{

.isLive() && !

.isZero() && !

.isDummy() &&

.isDereferencable() &&

!

.isUnknownSizeArray() && !

.isOnePastEnd();

(!isUsefulPtr(Ptr))

Blocks.insert(Ptr.

());

(

Record::Field &F : R->fields()) {

(isUsefulPtr(Pointee) && !Blocks.contains(Pointee.

()))

(

I = 0; I != Desc->

(); ++I) {

(isUsefulPtr(ElemPointee) && !Blocks.contains(ElemPointee.

()))

(

I = 0; I != Desc->

(); ++I) {

llvm::SetVector<const Block *> Blocks;

(

*B : Blocks) {

(B->isDynamic()) {

assert(B->getDescriptor());

assert(B->getDescriptor()->asExpr());

S.FFDiag(Info, diag::note_constexpr_dynamic_alloc)

S.Note(B->getDescriptor()->asExpr()->getExprLoc(),

diag::note_constexpr_dynamic_alloc_here);

llvm::MachO::Record Record

APValue - This class implements a discriminated union of [uninitialized] [APSInt] [APFloat],...

QualType getElementType() const

Represents the canonical version of C arrays with a specified constant size.

uint64_t getZExtSize() const

Return the size zero-extended as a uint64_t.

SourceLocation getLocation() const

Represents a member of a struct/union/class.

A (possibly-)qualified type.

Encodes a location in the source.

A trivial tuple used to represent a source range.

bool isIncompleteArrayType() const

bool isReferenceType() const

const ArrayType * getAsArrayTypeUnsafe() const

A variant of getAs<> for array types which silently discards qualifiers from the outermost type.

bool isRecordType() const

A memory block, either on the stack or in the heap.

Holds all information required to evaluate constexpr code in a module.

ASTContext & getASTContext() const

Returns the AST context.

std::optional< APValue > toRValue() const

If the result is an LValue, convert that to an RValue and return it.

APValue toAPValue() const

Returns an APValue for the evaluation result.

QualType getSourceType() const

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.

bool checkFullyInitialized(InterpState &S, const Pointer &Ptr) const

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

A pointer to a memory block, live or dead.

Pointer narrow() const

Restricts the scope of an array element pointer.

bool isInitialized() const

Checks if an object was initialized.

Pointer atIndex(uint64_t Idx) const

Offsets a pointer inside an array.

bool isActive() const

Checks if the object is active.

Pointer atField(unsigned Off) const

Creates a pointer to a field.

T & deref() const

Dereferences the pointer, if it's live.

QualType getType() const

Returns the type of the innermost field.

bool isLive() const

Checks if the pointer is live.

bool isZero() const

Checks if the pointer is null.

bool isRoot() const

Pointer points directly to a block.

const Descriptor * getDeclDesc() const

Accessor for information about the declaration site.

const Record * getElemRecord() const

Returns the element record type, if this is a non-primive array.

const FieldDecl * getField() const

Returns the field information.

const Block * block() const

const Descriptor * getFieldDesc() const

Accessors for information about the innermost field.

const Record * getRecord() const

Returns the record descriptor of a class.

Structure/Class descriptor.

const RecordDecl * getDecl() const

Returns the underlying declaration.

bool isUnion() const

Checks if the record is a union.

llvm::iterator_range< const_base_iter > bases() const

llvm::iterator_range< const_field_iter > fields() const

Describes the statement/declaration an opcode was generated from.

static void collectBlocks(const Pointer &Ptr, llvm::SetVector< const Block * > &Blocks)

static bool CheckFieldsInitialized(InterpState &S, SourceLocation Loc, const Pointer &BasePtr, const Record *R)

static void DiagnoseUninitializedSubobject(InterpState &S, SourceLocation Loc, const FieldDecl *SubObjDecl)

static bool CheckArrayInitialized(InterpState &S, SourceLocation Loc, const Pointer &BasePtr, const ConstantArrayType *CAT)

The JSON file list parser is used to communicate input to InstallAPI.

@ Result

The result type of a method or function.

Describes a memory block created by an allocation site.

unsigned getNumElems() const

Returns the number of elements stored in the block.

bool isPrimitive() const

Checks if the descriptor is of a primitive.

bool isCompositeArray() const

Checks if the descriptor is of an array of composites.

SourceLocation getLocation() const

bool isPrimitiveArray() const

Checks if the descriptor is of an array of primitives.

PrimType getPrimType() const

const Record *const ElemRecord

Pointer to the record, if block contains records.

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