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Showing content from https://clang.llvm.org/doxygen/CastSizeChecker_8cpp_source.html below:

clang: lib/StaticAnalyzer/Checkers/CastSizeChecker.cpp Source File

;

CastSizeChecker :

< check::PreStmt<CastExpr> > {

BT{

,

};

assert(

&&

);

*ElemType =

->getType()->getArrayElementTypeNoTypeQual();

(ArrayTy->getSize() == 1 && TypeSize > FlexSize)

(!ArrayTy->isZeroSize())

(Left.isNegative())

Left % FlexSize == 0;

*R =

.getSVal(

).getAsRegion();

llvm::APSInt *SizeInt = svalBuilder.

(state, Size);

typeSize =

.getASTContext().getTypeSizeInChars(ToPointeeTy);

(regionSize % typeSize == 0)

llvm::StringLiteral Msg =

R = std::make_unique<PathSensitiveBugReport>(BT, Msg, errorNode);

.emitReport(std::move(R));

ento::shouldRegisterCastSizeChecker(

&mgr) {

!LO.CPlusPlus;

static bool evenFlexibleArraySize(ASTContext &Ctx, CharUnits RegionSize, CharUnits TypeSize, QualType ToPointeeTy)

Check if we are casting to a struct with a flexible array at the end.

Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...

const ConstantArrayType * getAsConstantArrayType(QualType T) const

CanQualType getCanonicalType(QualType T) const

Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...

CharUnits getTypeSizeInChars(QualType T) const

Return the size of the specified (complete) type T, in characters.

CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit c...

CharUnits - This is an opaque type for sizes expressed in character units.

bool isZero() const

isZero - Test whether the quantity equals zero.

static CharUnits fromQuantity(QuantityType Quantity)

fromQuantity - Construct a CharUnits quantity from a raw integer type.

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

specific_decl_iterator - Iterates over a subrange of declarations stored in a DeclContext,...

This represents one expression.

Represents a member of a struct/union/class.

Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...

PointerType - C99 6.7.5.1 - Pointer Declarators.

QualType getPointeeType() const

A (possibly-)qualified type.

const Type * getTypePtr() const

Retrieves a pointer to the underlying (unqualified) type.

Represents a struct/union/class.

bool hasFlexibleArrayMember() const

field_iterator field_end() const

field_iterator field_begin() const

A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...

RecordDecl * getDecl() const

SourceRange getSourceRange() const LLVM_READONLY

SourceLocation tokens are not useful in isolation - they are low level value objects created/interpre...

The base class of the type hierarchy.

bool isIncompleteType(NamedDecl **Def=nullptr) const

Types are partitioned into 3 broad categories (C99 6.2.5p1): object types, function types,...

const T * getAs() const

Member-template getAs<specific type>'.

CHECKER * registerChecker(AT &&... Args)

Used to register checkers.

const LangOptions & getLangOpts() const

MemRegion - The root abstract class for all memory regions.

virtual const llvm::APSInt * getKnownValue(ProgramStateRef state, SVal val)=0

Evaluates a given SVal.

SymbolicRegion - A special, "non-concrete" region.

DefinedOrUnknownSVal getDynamicExtent(ProgramStateRef State, const MemRegion *MR, SValBuilder &SVB)

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

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