Exemplo n.º 1
0
void CoreEngine::dispatchWorkItem(ExplodedNode* Pred, ProgramPoint Loc,
                                  const WorkListUnit& WU) {
  // Dispatch on the location type.
  switch (Loc.getKind()) {
    case ProgramPoint::BlockEdgeKind:
      HandleBlockEdge(cast<BlockEdge>(Loc), Pred);
      break;

    case ProgramPoint::BlockEntranceKind:
      HandleBlockEntrance(cast<BlockEntrance>(Loc), Pred);
      break;

    case ProgramPoint::BlockExitKind:
      assert (false && "BlockExit location never occur in forward analysis.");
      break;

    case ProgramPoint::CallEnterKind: {
      CallEnter CEnter = cast<CallEnter>(Loc);
      if (AnalyzedCallees)
        if (const CallExpr* CE =
            dyn_cast_or_null<CallExpr>(CEnter.getCallExpr()))
          if (const Decl *CD = CE->getCalleeDecl())
            AnalyzedCallees->insert(CD);
      SubEng.processCallEnter(CEnter, Pred);
      break;
    }

    case ProgramPoint::CallExitBeginKind:
      SubEng.processCallExit(Pred);
      break;

    case ProgramPoint::EpsilonKind: {
      assert(Pred->hasSinglePred() &&
             "Assume epsilon has exactly one predecessor by construction");
      ExplodedNode *PNode = Pred->getFirstPred();
      dispatchWorkItem(Pred, PNode->getLocation(), WU);
      break;
    }
    default:
      assert(isa<PostStmt>(Loc) ||
             isa<PostInitializer>(Loc) ||
             isa<CallExitEnd>(Loc));
      HandlePostStmt(WU.getBlock(), WU.getIndex(), Pred);
      break;
  }
}
Exemplo n.º 2
0
void CoreEngine::dispatchWorkItem(ExplodedNode* Pred, ProgramPoint Loc,
                                  const WorkListUnit& WU) {
  // Dispatch on the location type.
  switch (Loc.getKind()) {
    case ProgramPoint::BlockEdgeKind:
      HandleBlockEdge(Loc.castAs<BlockEdge>(), Pred);
      break;

    case ProgramPoint::BlockEntranceKind:
      HandleBlockEntrance(Loc.castAs<BlockEntrance>(), Pred);
      break;

    case ProgramPoint::BlockExitKind:
      assert (false && "BlockExit location never occur in forward analysis.");
      break;

    case ProgramPoint::CallEnterKind: {
      CallEnter CEnter = Loc.castAs<CallEnter>();
      SubEng.processCallEnter(CEnter, Pred);
      break;
    }

    case ProgramPoint::CallExitBeginKind:
      SubEng.processCallExit(Pred);
      break;

    case ProgramPoint::EpsilonKind: {
      assert(Pred->hasSinglePred() &&
             "Assume epsilon has exactly one predecessor by construction");
      ExplodedNode *PNode = Pred->getFirstPred();
      dispatchWorkItem(Pred, PNode->getLocation(), WU);
      break;
    }
    default:
      assert(Loc.getAs<PostStmt>() ||
             Loc.getAs<PostInitializer>() ||
             Loc.getAs<PostImplicitCall>() ||
             Loc.getAs<CallExitEnd>());
      HandlePostStmt(WU.getBlock(), WU.getIndex(), Pred);
      break;
  }
}