SmartPtrModeling.cpp File Reference

#include "Move.h"
#include "SmartPtr.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclarationName.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/Type.h"
#include "clang/Basic/LLVM.h"
#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "clang/StaticAnalyzer/Core/CheckerManager.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerHelpers.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymExpr.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/ErrorHandling.h"
#include <optional>
#include <string>

Go to the source code of this file.

Namespaces
namespace	clang
namespace	clang::ento
namespace	clang::ento::smartptr

Functions
static bool	hasStdClassWithName (const CXXRecordDecl *RD, ArrayRef< llvm::StringLiteral > Names)
static bool	isStdSmartPtr (const CXXRecordDecl *RD)
static bool	isStdSmartPtr (const Expr *E)
bool	clang::ento::smartptr::isStdSmartPtrCall (const CallEvent &Call)
	Returns true if the event call is on smart pointer.
bool	clang::ento::smartptr::isStdSmartPtr (const CXXRecordDecl *RD)
bool	clang::ento::smartptr::isStdSmartPtr (const Expr *E)
bool	clang::ento::smartptr::isNullSmartPtr (const ProgramStateRef State, const MemRegion *ThisRegion)
	Returns whether the smart pointer is null or not.
static TrackedRegionMapTy	removeTrackedSubregions (TrackedRegionMapTy RegionMap, TrackedRegionMapTy::Factory &RegionMapFactory, const MemRegion *Region)
static ProgramStateRef	updateSwappedRegion (ProgramStateRef State, const MemRegion *Region, const SVal *RegionInnerPointerVal)
static QualType	getInnerPointerType (CheckerContext C, const CXXRecordDecl *RD)
static QualType	getPointerTypeFromTemplateArg (const CallEvent &Call, CheckerContext &C)
static QualType	getInnerPointerType (const CallEvent &Call, CheckerContext &C)
static void	checkAndPrettyPrintRegion (llvm::raw_ostream &OS, const MemRegion *Region)
bool	isStdBasicOstream (const Expr *E)
static bool	isStdFunctionCall (const CallEvent &Call)
bool	isStdOstreamOperatorCall (const CallEvent &Call)
static bool	isPotentiallyComparisionOpCall (const CallEvent &Call)

Variables
constexpr llvm::StringLiteral	STD_PTR_NAMES []
constexpr llvm::StringLiteral	BASIC_OSTREAM_NAMES [] = {"basic_ostream"}

Function Documentation

checkAndPrettyPrintRegion()

static void checkAndPrettyPrintRegion ( llvm::raw_ostream &  OS, const MemRegion *  Region  )

static

Definition at line 226 of file SmartPtrModeling.cpp.

References clang::ento::MemRegion::canPrintPretty(), and clang::ento::MemRegion::printPretty().

getInnerPointerType() [1/2]

static QualType getInnerPointerType ( CheckerContext  C, const CXXRecordDecl *  RD  )

static

Definition at line 184 of file SmartPtrModeling.cpp.

References clang::C, and clang::Decl::isInStdNamespace().

Referenced by getInnerPointerType().

getInnerPointerType() [2/2]

static QualType getInnerPointerType ( const CallEvent &  Call, CheckerContext &  C  )

static

Definition at line 216 of file SmartPtrModeling.cpp.

References clang::C, getInnerPointerType(), and clang::DeclContext::getParent().

getPointerTypeFromTemplateArg()

static QualType getPointerTypeFromTemplateArg ( const CallEvent &  Call, CheckerContext &  C  )

static

Definition at line 202 of file SmartPtrModeling.cpp.

References clang::C.

hasStdClassWithName()

static bool hasStdClassWithName ( const CXXRecordDecl *  RD, ArrayRef< llvm::StringLiteral >  Names  )

static

Definition at line 104 of file SmartPtrModeling.cpp.

Referenced by isStdBasicOstream(), and isStdSmartPtr().

isPotentiallyComparisionOpCall()

static bool isPotentiallyComparisionOpCall ( const CallEvent &  Call )

static

Definition at line 270 of file SmartPtrModeling.cpp.

References isStdFunctionCall(), and clang::ento::smartptr::isStdSmartPtr().

isStdBasicOstream()

bool isStdBasicOstream

(

const Expr *

E

)

Definition at line 245 of file SmartPtrModeling.cpp.

References BASIC_OSTREAM_NAMES, clang::Type::getAsCXXRecordDecl(), clang::Expr::getType(), and hasStdClassWithName().

Referenced by isStdOstreamOperatorCall().

isStdFunctionCall()

static bool isStdFunctionCall ( const CallEvent &  Call )

static

Definition at line 250 of file SmartPtrModeling.cpp.

Referenced by isPotentiallyComparisionOpCall(), and isStdOstreamOperatorCall().

isStdOstreamOperatorCall()

bool isStdOstreamOperatorCall

(

const CallEvent &

Call

)

Definition at line 254 of file SmartPtrModeling.cpp.

References clang::FunctionDecl::getOverloadedOperator(), clang::FunctionDecl::isOverloadedOperator(), isStdBasicOstream(), isStdFunctionCall(), and isStdSmartPtr().

isStdSmartPtr() [1/2]

static bool isStdSmartPtr ( const CXXRecordDecl *  RD )

static

Definition at line 116 of file SmartPtrModeling.cpp.

References hasStdClassWithName(), and STD_PTR_NAMES.

Referenced by isStdOstreamOperatorCall(), and isStdSmartPtr().

isStdSmartPtr() [2/2]

static bool isStdSmartPtr ( const Expr *  E )

static

Definition at line 120 of file SmartPtrModeling.cpp.

References clang::Type::getAsCXXRecordDecl(), clang::Expr::getType(), and isStdSmartPtr().

removeTrackedSubregions()

static TrackedRegionMapTy removeTrackedSubregions ( TrackedRegionMapTy  RegionMap, TrackedRegionMapTy::Factory &  RegionMapFactory, const MemRegion *  Region  )

static

Definition at line 161 of file SmartPtrModeling.cpp.

updateSwappedRegion()

static ProgramStateRef updateSwappedRegion ( ProgramStateRef  State, const MemRegion *  Region, const SVal *  RegionInnerPointerVal  )

static

Definition at line 173 of file SmartPtrModeling.cpp.

Variable Documentation

BASIC_OSTREAM_NAMES

constexpr llvm::StringLiteral BASIC_OSTREAM_NAMES[] = {"basic_ostream"}

constexpr

Definition at line 243 of file SmartPtrModeling.cpp.

Referenced by isStdBasicOstream().

STD_PTR_NAMES

constexpr llvm::StringLiteral STD_PTR_NAMES[]

constexpr

Initial value:

= {"shared_ptr", "unique_ptr",
                                                 "weak_ptr"}

Definition at line 113 of file SmartPtrModeling.cpp.

Referenced by isStdSmartPtr().