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Showing content from https://clang.llvm.org/doxygen/SemaBoundsSafety_8cpp_source.html below:

clang: lib/Sema/SemaBoundsSafety.cpp Source File

33 while

(RD && (RD->isAnonymousStructOrUnion() ||

34

(!RD->isCompleteDefinition() && RD->getName().empty()))) {

35 const auto

*

Parent

= dyn_cast<RecordDecl>(RD->getParent());

63 const auto

FieldTy = FD->

getType

();

64 if

(FieldTy->isArrayType() && (CountInBytes || OrNull)) {

66

diag::err_count_attr_not_on_ptr_or_flexible_array_member)

70 if

(!FieldTy->isArrayType() && !FieldTy->isPointerType()) {

72

diag::err_count_attr_not_on_ptr_or_flexible_array_member)

79 if

(FieldTy->isArrayType() &&

81

StrictFlexArraysLevel,

true

)) {

83

diag::err_counted_by_attr_on_array_not_flexible_array_member)

91 int

SelectPtrOrArr = 0;

92 if

(FieldTy->isPointerType()) {

96

assert(FieldTy->isArrayType());

104 bool

ShouldWarn =

false

;

112 if

(FieldTy->isArrayType() && !

getLangOpts

().BoundsSafety) {

125 unsigned

DiagID = ShouldWarn

126

? diag::warn_counted_by_attr_elt_type_unknown_size

127

: diag::err_counted_by_attr_pointee_unknown_size;

129

<< SelectPtrOrArr << PointeeTy << (

int

)InvalidTypeKind

136 if

(!

E

->getType()->isIntegerType() ||

E

->getType()->isBooleanType()) {

137 Diag

(

E

->getBeginLoc(), diag::err_count_attr_argument_not_integer)

138

<<

Kind

<<

E

->getSourceRange();

142 auto

*DRE = dyn_cast<DeclRefExpr>(

E

);

144 Diag

(

E

->getBeginLoc(),

145

diag::err_count_attr_only_support_simple_decl_reference)

146

<<

Kind

<<

E

->getSourceRange();

150 auto

*CountDecl = DRE->getDecl();

151 FieldDecl

*CountFD = dyn_cast<FieldDecl>(CountDecl);

152 if

(

auto

*IFD = dyn_cast<IndirectFieldDecl>(CountDecl)) {

153

CountFD = IFD->getAnonField();

156 Diag

(

E

->getBeginLoc(), diag::err_count_attr_must_be_in_structure)

157

<< CountDecl <<

Kind

<<

E

->getSourceRange();

159 Diag

(CountDecl->getBeginLoc(),

160

diag::note_flexible_array_counted_by_attr_field)

161

<< CountDecl << CountDecl->getSourceRange();

178 Diag

(

E

->getBeginLoc(), diag::err_count_attr_param_not_in_same_struct)

179

<< CountFD <<

Kind

<< FieldTy->isArrayType() <<

E

->getSourceRange();

181

diag::note_flexible_array_counted_by_attr_field)

enum clang::sema::@1704::IndirectLocalPathEntry::EntryKind Kind

const ArrayType * getAsArrayType(QualType T) const

Type Query functions.

Represents an array type, per C99 6.7.5.2 - Array Declarators.

QualType getElementType() const

SourceLocation getLocation() const

static bool isFlexibleArrayMemberLike(ASTContext &Context, const Decl *D, QualType Ty, LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel, bool IgnoreTemplateOrMacroSubstitution)

Whether it resembles a flexible array member.

SourceLocation getBeginLoc() const LLVM_READONLY

This represents one expression.

Represents a member of a struct/union/class.

SourceRange getSourceRange() const override LLVM_READONLY

Source range that this declaration covers.

const RecordDecl * getParent() const

Returns the parent of this field declaration, which is the struct in which this field is defined.

StrictFlexArraysLevelKind

@ IncompleteOnly

Any trailing array member of undefined size is a FAM.

A (possibly-)qualified type.

Represents a struct/union/class.

SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)

Emit a diagnostic.

ASTContext & getASTContext() const

const LangOptions & getLangOpts() const

bool CheckCountedByAttrOnField(FieldDecl *FD, Expr *E, bool CountInBytes, bool OrNull)

Check if applying the specified attribute variant from the "counted by" family of attributes to Field...

bool isSizelessType() const

As an extension, we classify types as one of "sized" or "sizeless"; every type is one or the other.

QualType getPointeeType() const

If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.

bool isIncompleteType(NamedDecl **Def=nullptr) const

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

bool isFunctionType() const

bool isStructureTypeWithFlexibleArrayMember() const

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

static CountAttributedType::DynamicCountPointerKind getCountAttrKind(bool CountInBytes, bool OrNull)

CountedByInvalidPointeeTypeKind

static const RecordDecl * GetEnclosingNamedOrTopAnonRecord(const FieldDecl *FD)

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