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C++ ExplodedNodeSet::size方法代码示例

本文整理汇总了C++中ExplodedNodeSet::size方法的典型用法代码示例。如果您正苦于以下问题:C++ ExplodedNodeSet::size方法的具体用法?C++ ExplodedNodeSet::size怎么用?C++ ExplodedNodeSet::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ExplodedNodeSet的用法示例。


在下文中一共展示了ExplodedNodeSet::size方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: VisitCXXConstructExpr


//.........这里部分代码省略.........
    if (dyn_cast_or_null<InitListExpr>(LCtx->getParentMap().getParent(CE))) {
      MemRegionManager &MRMgr = getSValBuilder().getRegionManager();
      Target = loc::MemRegionVal(MRMgr.getCXXTempObjectRegion(CE, LCtx));
      CallOpts.IsCtorOrDtorWithImproperlyModeledTargetRegion = true;
      break;
    }
    LLVM_FALLTHROUGH;
  case CXXConstructExpr::CK_Delegating: {
    const CXXMethodDecl *CurCtor = cast<CXXMethodDecl>(LCtx->getDecl());
    Loc ThisPtr = getSValBuilder().getCXXThis(CurCtor,
                                              LCtx->getStackFrame());
    SVal ThisVal = State->getSVal(ThisPtr);

    if (CE->getConstructionKind() == CXXConstructExpr::CK_Delegating) {
      Target = ThisVal;
    } else {
      // Cast to the base type.
      bool IsVirtual =
        (CE->getConstructionKind() == CXXConstructExpr::CK_VirtualBase);
      SVal BaseVal = getStoreManager().evalDerivedToBase(ThisVal, CE->getType(),
                                                         IsVirtual);
      Target = BaseVal;
    }
    break;
  }
  }

  if (State != Pred->getState()) {
    static SimpleProgramPointTag T("ExprEngine",
                                   "Prepare for object construction");
    ExplodedNodeSet DstPrepare;
    StmtNodeBuilder BldrPrepare(Pred, DstPrepare, *currBldrCtx);
    BldrPrepare.generateNode(CE, Pred, State, &T, ProgramPoint::PreStmtKind);
    assert(DstPrepare.size() <= 1);
    if (DstPrepare.size() == 0)
      return;
    Pred = *BldrPrepare.begin();
  }

  CallEventManager &CEMgr = getStateManager().getCallEventManager();
  CallEventRef<CXXConstructorCall> Call =
    CEMgr.getCXXConstructorCall(CE, Target.getAsRegion(), State, LCtx);

  ExplodedNodeSet DstPreVisit;
  getCheckerManager().runCheckersForPreStmt(DstPreVisit, Pred, CE, *this);

  // FIXME: Is it possible and/or useful to do this before PreStmt?
  ExplodedNodeSet PreInitialized;
  {
    StmtNodeBuilder Bldr(DstPreVisit, PreInitialized, *currBldrCtx);
    for (ExplodedNodeSet::iterator I = DstPreVisit.begin(),
                                   E = DstPreVisit.end();
         I != E; ++I) {
      ProgramStateRef State = (*I)->getState();
      if (CE->requiresZeroInitialization()) {
        // FIXME: Once we properly handle constructors in new-expressions, we'll
        // need to invalidate the region before setting a default value, to make
        // sure there aren't any lingering bindings around. This probably needs
        // to happen regardless of whether or not the object is zero-initialized
        // to handle random fields of a placement-initialized object picking up
        // old bindings. We might only want to do it when we need to, though.
        // FIXME: This isn't actually correct for arrays -- we need to zero-
        // initialize the entire array, not just the first element -- but our
        // handling of arrays everywhere else is weak as well, so this shouldn't
        // actually make things worse. Placement new makes this tricky as well,
        // since it's then possible to be initializing one part of a multi-
开发者ID:LegalizeAdulthood,项目名称:clang,代码行数:67,代码来源:ExprEngineCXX.cpp


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