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usr / src / contrib / llvm-project / clang / lib / StaticAnalyzer / Checkers /

📁 ..
📄 AllocationState.h(1.41 KB)
📄 AnalysisOrderChecker.cpp(8.62 KB)
📄 AnalyzerStatsChecker.cpp(5.04 KB)
📄 ArrayBoundChecker.cpp(3.22 KB)
📄 ArrayBoundCheckerV2.cpp(13.07 KB)
📄 BasicObjCFoundationChecks.cpp(43.82 KB)
📄 BlockInCriticalSectionChecker.cpp(6.69 KB)
📄 BoolAssignmentChecker.cpp(3.45 KB)
📄 BuiltinFunctionChecker.cpp(5 KB)
📄 CStringChecker.cpp(93.24 KB)
📄 CStringSyntaxChecker.cpp(9.8 KB)
📄 CXXSelfAssignmentChecker.cpp(3.08 KB)
📄 CallAndMessageChecker.cpp(26.57 KB)
📄 CastSizeChecker.cpp(4.96 KB)
📄 CastToStructChecker.cpp(4.43 KB)
📄 CastValueChecker.cpp(19.65 KB)
📄 CheckObjCDealloc.cpp(37.83 KB)
📄 CheckObjCInstMethSignature.cpp(4.8 KB)
📄 CheckPlacementNew.cpp(11.91 KB)
📄 CheckSecuritySyntaxOnly.cpp(38.79 KB)
📄 CheckSizeofPointer.cpp(3.16 KB)
📄 CheckerDocumentation.cpp(14.64 KB)
📄 ChrootChecker.cpp(4.88 KB)
📄 CloneChecker.cpp(8.28 KB)
📄 ContainerModeling.cpp(39.85 KB)
📄 ConversionChecker.cpp(7.11 KB)
📄 DeadStoresChecker.cpp(17.82 KB)
📄 DebugCheckers.cpp(10.41 KB)
📄 DebugContainerModeling.cpp(4.94 KB)
📄 DebugIteratorModeling.cpp(5.15 KB)
📄 DeleteWithNonVirtualDtorChecker.cpp(5.35 KB)
📄 DereferenceChecker.cpp(10.54 KB)
📄 DirectIvarAssignment.cpp(8.02 KB)
📄 DivZeroChecker.cpp(3.42 KB)
📄 DynamicTypeChecker.cpp(7.31 KB)
📄 DynamicTypePropagation.cpp(42.11 KB)
📄 EnumCastOutOfRangeChecker.cpp(5.75 KB)
📄 ExprInspectionChecker.cpp(15.6 KB)
📄 FixedAddressChecker.cpp(2.33 KB)
📄 FuchsiaHandleChecker.cpp(23.1 KB)
📄 GCDAntipatternChecker.cpp(7.85 KB)
📄 GTestChecker.cpp(10.52 KB)
📄 GenericTaintChecker.cpp(34.31 KB)
📄 IdenticalExprChecker.cpp(18.88 KB)
📄 InnerPointerChecker.cpp(11.54 KB)
📄 InterCheckerAPI.h(1.09 KB)
📄 InvalidatedIteratorChecker.cpp(4.93 KB)
📄 Iterator.cpp(10.62 KB)
📄 Iterator.h(6.32 KB)
📄 IteratorModeling.cpp(31.33 KB)
📄 IteratorRangeChecker.cpp(12.64 KB)
📄 IvarInvalidationChecker.cpp(27.63 KB)
📄 LLVMConventionsChecker.cpp(9.9 KB)
📄 LocalizationChecker.cpp(52.38 KB)
📄 MIGChecker.cpp(11.3 KB)
📁 MPI-Checker
📄 MacOSKeychainAPIChecker.cpp(25.21 KB)
📄 MacOSXAPIChecker.cpp(6.61 KB)
📄 MallocChecker.cpp(127.38 KB)
📄 MallocOverflowSecurityChecker.cpp(11.91 KB)
📄 MallocSizeofChecker.cpp(8.03 KB)
📄 MismatchedIteratorChecker.cpp(11.01 KB)
📄 MmapWriteExecChecker.cpp(3.22 KB)
📄 Move.h(1.07 KB)
📄 MoveChecker.cpp(27 KB)
📄 NSAutoreleasePoolChecker.cpp(2.93 KB)
📄 NSErrorChecker.cpp(10.6 KB)
📄 NoReturnFunctionChecker.cpp(5.48 KB)
📄 NonNullParamChecker.cpp(11.22 KB)
📄 NonnullGlobalConstantsChecker.cpp(5.09 KB)
📄 NullabilityChecker.cpp(46.95 KB)
📄 NumberObjectConversionChecker.cpp(13.69 KB)
📄 OSObjectCStyleCast.cpp(3.14 KB)
📄 ObjCAtSyncChecker.cpp(3.34 KB)
📄 ObjCAutoreleaseWriteChecker.cpp(8.62 KB)
📄 ObjCContainersASTChecker.cpp(5.5 KB)
📄 ObjCContainersChecker.cpp(6.71 KB)
📄 ObjCMissingSuperCallChecker.cpp(9.23 KB)
📄 ObjCPropertyChecker.cpp(3.03 KB)
📄 ObjCSelfInitChecker.cpp(16.21 KB)
📄 ObjCSuperDeallocChecker.cpp(9.33 KB)
📄 ObjCUnusedIVarsChecker.cpp(6.01 KB)
📄 PaddingChecker.cpp(14.26 KB)
📄 PointerArithChecker.cpp(12.18 KB)
📄 PointerIterationChecker.cpp(3.79 KB)
📄 PointerSortingChecker.cpp(4.5 KB)
📄 PointerSubChecker.cpp(2.56 KB)
📄 PthreadLockChecker.cpp(28.42 KB)
📁 RetainCountChecker
📄 ReturnPointerRangeChecker.cpp(3.39 KB)
📄 ReturnUndefChecker.cpp(4.1 KB)
📄 ReturnValueChecker.cpp(5.79 KB)
📄 RunLoopAutoreleaseLeakChecker.cpp(7.2 KB)
📄 STLAlgorithmModeling.cpp(7 KB)
📄 SimpleStreamChecker.cpp(9.43 KB)
📄 SmartPtr.h(1.17 KB)
📄 SmartPtrChecker.cpp(2.68 KB)
📄 SmartPtrModeling.cpp(8.05 KB)
📄 StackAddrEscapeChecker.cpp(15 KB)
📄 StdLibraryFunctionsChecker.cpp(74.86 KB)
📄 StreamChecker.cpp(37.36 KB)
📄 Taint.cpp(9.04 KB)
📄 Taint.h(4.19 KB)
📄 TaintTesterChecker.cpp(2.17 KB)
📄 TestAfterDivZeroChecker.cpp(8.19 KB)
📄 TraversalChecker.cpp(4.38 KB)
📄 TrustNonnullChecker.cpp(9.12 KB)
📄 UndefBranchChecker.cpp(3.82 KB)
📄 UndefCapturedBlockVarChecker.cpp(3.64 KB)
📄 UndefResultChecker.cpp(7.19 KB)
📄 UndefinedArraySubscriptChecker.cpp(2.36 KB)
📄 UndefinedAssignmentChecker.cpp(3.74 KB)
📁 UninitializedObject
📄 UnixAPIChecker.cpp(18.05 KB)
📄 UnreachableCodeChecker.cpp(9.59 KB)
📄 VLASizeChecker.cpp(10.95 KB)
📄 ValistChecker.cpp(15.65 KB)
📄 VforkChecker.cpp(7.67 KB)
📄 VirtualCallChecker.cpp(8.11 KB)
📁 WebKit
📄 Yaml.h(2.06 KB)
📁 cert

Editing: Iterator.h

//=== Iterator.h - Common functions for iterator checkers. ---------*- C++ -*-//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Defines common functions to be used by the itertor checkers .
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_ITERATOR_H
#define LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_ITERATOR_H

#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicType.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymExpr.h"

namespace clang {
namespace ento {
namespace iterator {

// Abstract position of an iterator. This helps to handle all three kinds
// of operators in a common way by using a symbolic position.
struct IteratorPosition {
private:

// Container the iterator belongs to
  const MemRegion *Cont;

// Whether iterator is valid
  const bool Valid;

// Abstract offset
  const SymbolRef Offset;

IteratorPosition(const MemRegion *C, bool V, SymbolRef Of)
      : Cont(C), Valid(V), Offset(Of) {}

public:
  const MemRegion *getContainer() const { return Cont; }
  bool isValid() const { return Valid; }
  SymbolRef getOffset() const { return Offset; }

IteratorPosition invalidate() const {
    return IteratorPosition(Cont, false, Offset);
  }

static IteratorPosition getPosition(const MemRegion *C, SymbolRef Of) {
    return IteratorPosition(C, true, Of);
  }

IteratorPosition setTo(SymbolRef NewOf) const {
    return IteratorPosition(Cont, Valid, NewOf);
  }

IteratorPosition reAssign(const MemRegion *NewCont) const {
    return IteratorPosition(NewCont, Valid, Offset);
  }

bool operator==(const IteratorPosition &X) const {
    return Cont == X.Cont && Valid == X.Valid && Offset == X.Offset;
  }

bool operator!=(const IteratorPosition &X) const {
    return Cont != X.Cont || Valid != X.Valid || Offset != X.Offset;
  }

void Profile(llvm::FoldingSetNodeID &ID) const {
    ID.AddPointer(Cont);
    ID.AddInteger(Valid);
    ID.Add(Offset);
  }
};

// Structure to record the symbolic begin and end position of a container
struct ContainerData {
private:
  const SymbolRef Begin, End;

ContainerData(SymbolRef B, SymbolRef E) : Begin(B), End(E) {}

public:
  static ContainerData fromBegin(SymbolRef B) {
    return ContainerData(B, nullptr);
  }

static ContainerData fromEnd(SymbolRef E) {
    return ContainerData(nullptr, E);
  }

SymbolRef getBegin() const { return Begin; }
  SymbolRef getEnd() const { return End; }

ContainerData newBegin(SymbolRef B) const { return ContainerData(B, End); }

ContainerData newEnd(SymbolRef E) const { return ContainerData(Begin, E); }

bool operator==(const ContainerData &X) const {
    return Begin == X.Begin && End == X.End;
  }

bool operator!=(const ContainerData &X) const {
    return Begin != X.Begin || End != X.End;
  }

void Profile(llvm::FoldingSetNodeID &ID) const {
    ID.Add(Begin);
    ID.Add(End);
  }
};

class IteratorSymbolMap {};
class IteratorRegionMap {};
class ContainerMap {};

using IteratorSymbolMapTy =
  CLANG_ENTO_PROGRAMSTATE_MAP(SymbolRef, IteratorPosition);
using IteratorRegionMapTy =
  CLANG_ENTO_PROGRAMSTATE_MAP(const MemRegion *, IteratorPosition);
using ContainerMapTy =
  CLANG_ENTO_PROGRAMSTATE_MAP(const MemRegion *, ContainerData);

} // namespace iterator

template<>
struct ProgramStateTrait<iterator::IteratorSymbolMap>
  : public ProgramStatePartialTrait<iterator::IteratorSymbolMapTy> {
  static void *GDMIndex() { static int Index; return &Index; }
};

template<>
struct ProgramStateTrait<iterator::IteratorRegionMap>
  : public ProgramStatePartialTrait<iterator::IteratorRegionMapTy> {
  static void *GDMIndex() { static int Index; return &Index; }
};

template<>
struct ProgramStateTrait<iterator::ContainerMap>
  : public ProgramStatePartialTrait<iterator::ContainerMapTy> {
  static void *GDMIndex() { static int Index; return &Index; }
};

namespace iterator {

bool isIteratorType(const QualType &Type);
bool isIterator(const CXXRecordDecl *CRD);
bool isComparisonOperator(OverloadedOperatorKind OK);
bool isInsertCall(const FunctionDecl *Func);
bool isEraseCall(const FunctionDecl *Func);
bool isEraseAfterCall(const FunctionDecl *Func);
bool isEmplaceCall(const FunctionDecl *Func);
bool isAccessOperator(OverloadedOperatorKind OK);
bool isAccessOperator(UnaryOperatorKind OK);
bool isAccessOperator(BinaryOperatorKind OK);
bool isDereferenceOperator(OverloadedOperatorKind OK);
bool isDereferenceOperator(UnaryOperatorKind OK);
bool isDereferenceOperator(BinaryOperatorKind OK);
bool isIncrementOperator(OverloadedOperatorKind OK);
bool isIncrementOperator(UnaryOperatorKind OK);
bool isDecrementOperator(OverloadedOperatorKind OK);
bool isDecrementOperator(UnaryOperatorKind OK);
bool isRandomIncrOrDecrOperator(OverloadedOperatorKind OK);
bool isRandomIncrOrDecrOperator(BinaryOperatorKind OK);
const ContainerData *getContainerData(ProgramStateRef State,
                                      const MemRegion *Cont);
const IteratorPosition *getIteratorPosition(ProgramStateRef State,
                                            const SVal &Val);
ProgramStateRef setIteratorPosition(ProgramStateRef State, const SVal &Val,
                                    const IteratorPosition &Pos);
ProgramStateRef createIteratorPosition(ProgramStateRef State, const SVal &Val,
                                       const MemRegion *Cont, const Stmt* S,
                                       const LocationContext *LCtx,
                                       unsigned blockCount);
ProgramStateRef advancePosition(ProgramStateRef State,
                                const SVal &Iter,
                                OverloadedOperatorKind Op,
                                const SVal &Distance);
ProgramStateRef assumeNoOverflow(ProgramStateRef State, SymbolRef Sym,
                                 long Scale);
bool compare(ProgramStateRef State, SymbolRef Sym1, SymbolRef Sym2,
             BinaryOperator::Opcode Opc);
bool compare(ProgramStateRef State, NonLoc NL1, NonLoc NL2,
             BinaryOperator::Opcode Opc);

} // namespace iterator
} // namespace ento
} // namespace clang

#endif

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Editing: Iterator.h

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