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Showing content from https://clang.llvm.org/doxygen/ASTUtils_8cpp_source.html below:

clang: lib/StaticAnalyzer/Checkers/WebKit/ASTUtils.cpp Source File

26 const Expr

*

E

,

bool

StopAtFirstRefCountedObj,

27

std::function<

bool

(

const clang::Expr

*,

bool

)> callback) {

29 if

(

auto

*tempExpr = dyn_cast<MaterializeTemporaryExpr>(

E

)) {

30 E

= tempExpr->getSubExpr();

33 if

(

auto

*tempExpr = dyn_cast<CXXBindTemporaryExpr>(

E

)) {

34 E

= tempExpr->getSubExpr();

37 if

(

auto

*tempExpr = dyn_cast<CXXConstructExpr>(

E

)) {

38 if

(

auto

*

C

= tempExpr->getConstructor()) {

40 return

callback(

E

,

true

);

44 if

(

auto

*POE = dyn_cast<PseudoObjectExpr>(

E

)) {

45 if

(

auto

*RF = POE->getResultExpr()) {

50 if

(

auto

*tempExpr = dyn_cast<ParenExpr>(

E

)) {

51 E

= tempExpr->getSubExpr();

54 if

(

auto

*

Expr

= dyn_cast<ConditionalOperator>(

E

)) {

60 if

(

auto

*

cast

= dyn_cast<CastExpr>(

E

)) {

61 if

(StopAtFirstRefCountedObj) {

62 if

(

auto

*ConversionFunc =

63

dyn_cast_or_null<FunctionDecl>(

cast

->getConversionFunction())) {

65 return

callback(

E

,

true

);

70 E

=

cast

->getSubExpr();

73 if

(

auto

*call = dyn_cast<CallExpr>(

E

)) {

74 if

(

auto

*memberCall = dyn_cast<CXXMemberCallExpr>(call)) {

75 if

(

auto

*

decl

= memberCall->getMethodDecl()) {

77 if

(IsGetterOfRefCt && *IsGetterOfRefCt) {

78 E

= memberCall->getImplicitObjectArgument();

79 if

(StopAtFirstRefCountedObj) {

80 return

callback(

E

,

true

);

87 if

(

auto

*operatorCall = dyn_cast<CXXOperatorCallExpr>(

E

)) {

88 if

(operatorCall->getNumArgs() == 1) {

89 E

= operatorCall->getArg(0);

94 if

(

auto

*callee = call->getDirectCallee()) {

96 if

(StopAtFirstRefCountedObj)

97 return

callback(

E

,

true

);

104 return

callback(

E

,

true

);

107 return

callback(

E

,

true

);

109 if

(callee->isInStdNamespace() &&

safeGetName

(callee) ==

"forward"

) {

120 if

(

auto

*ObjCMsgExpr = dyn_cast<ObjCMessageExpr>(

E

)) {

121 if

(

auto

*Method = ObjCMsgExpr->getMethodDecl()) {

123 return

callback(

E

,

true

);

126 if

(

auto

*unaryOp = dyn_cast<UnaryOperator>(

E

)) {

128 E

= unaryOp->getSubExpr();

135 return

callback(

E

,

false

);

140 if

(

auto

*Ref = dyn_cast<DeclRefExpr>(

E

)) {

141 if

(

auto

*

D

= dyn_cast_or_null<VarDecl>(Ref->getFoundDecl())) {

142 if

(isa<ParmVarDecl>(

D

) ||

D

->isLocalVarDecl())

150 return

isa<CXXThisExpr>(

E

);

154 if

(

auto

*MCE = dyn_cast<CXXMemberCallExpr>(

E

)) {

155 if

(

auto

*Callee = MCE->getDirectCallee()) {

157 if

(Name ==

"get"

|| Name ==

"ptr"

) {

158 auto

*ThisArg = MCE->getImplicitObjectArgument();

162

}

else if

(

auto

*OCE = dyn_cast<CXXOperatorCallExpr>(

E

)) {

163 if

(OCE->getOperator() == OO_Star && OCE->getNumArgs() == 1)

166 auto

*ME = dyn_cast<MemberExpr>(

E

);

169 auto

*

D

= ME->getMemberDecl();

172 auto T

=

D

->getType();

180 for

(

const Stmt

*Child : S->children()) {

181 if

(Child && !

Visit

(Child))

189

RV = RV->IgnoreParenCasts();

190 if

(isa<CXXNullPtrLiteralExpr>(RV))

199 auto

*MCE = dyn_cast<CXXMemberCallExpr>(

E

);

202 auto

*Callee = MCE->getDirectCallee();

205 auto

*Body = Callee->getBody();

208 auto

[CacheIt, IsNew] =

Cache

.insert(std::make_pair(Callee,

false

));

211 return

CacheIt->second;

Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate....

Defines the clang::Expr interface and subclasses for C++ expressions.

Represents a C++ struct/union/class.

ConstStmtVisitor - This class implements a simple visitor for Stmt subclasses.

Decl - This represents one declaration (or definition), e.g.

bool isACallToEnsureFn(const Expr *E) const

bool VisitReturnStmt(const ReturnStmt *RS)

bool VisitStmt(const Stmt *S)

This represents one expression.

ReturnStmt - This represents a return, optionally of an expression: return; return 4;.

RetTy Visit(PTR(Stmt) S, ParamTys... P)

Stmt - This represents one statement.

const internal::VariadicAllOfMatcher< Decl > decl

Matches declarations.

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

bool isCtorOfSafePtr(const clang::FunctionDecl *F)

bool isPtrConversion(const FunctionDecl *F)

bool isCtorOfRefCounted(const clang::FunctionDecl *F)

bool isASafeCallArg(const Expr *E)

For E referring to a ref-countable/-counted pointer/reference we return whether it's a safe call argu...

bool isSingleton(const FunctionDecl *F)

bool isRefCounted(const CXXRecordDecl *R)

bool isOwnerPtrType(const clang::QualType T)

bool isSafePtrType(const clang::QualType T)

std::optional< bool > isGetterOfSafePtr(const CXXMethodDecl *M)

const FunctionProtoType * T

bool isSafePtr(clang::CXXRecordDecl *Decl)

bool tryToFindPtrOrigin(const Expr *E, bool StopAtFirstRefCountedObj, std::function< bool(const clang::Expr *, bool)> callback)

This function de-facto defines a set of transformations that we consider safe (in heuristical sense).

std::string safeGetName(const T *ASTNode)

bool isCtorOfCheckedPtr(const clang::FunctionDecl *F)

bool isCheckedPtr(const std::string &Name)

U cast(CodeGen::Address addr)

@ Class

The "class" keyword introduces the elaborated-type-specifier.

bool isConstOwnerPtrMemberExpr(const clang::Expr *E)

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