GRConstants.cpp

    }
  }
    
  static std::string getNodeLabel(const GRConstants::NodeTy* N, void*) {
    std::ostringstream Out;

    // Program Location.
    ProgramPoint Loc = N->getLocation();
    
    switch (Loc.getKind()) {
      case ProgramPoint::BlockEntranceKind:
        Out << "Block Entrance: B" 
            << cast<BlockEntrance>(Loc).getBlock()->getBlockID();
        break;
      
      case ProgramPoint::BlockExitKind:
        assert (false);
        break;
        
      case ProgramPoint::PostStmtKind: {
        const PostStmt& L = cast<PostStmt>(Loc);
        Out << L.getStmt()->getStmtClassName() << ':' 
            << (void*) L.getStmt() << ' ';
        
        L.getStmt()->printPretty(Out);
        break;
      }
    
      default: {
        const BlockEdge& E = cast<BlockEdge>(Loc);
        Out << "Edge: (B" << E.getSrc()->getBlockID() << ", B"
            << E.getDst()->getBlockID()  << ')';
        
        if (Stmt* T = E.getSrc()->getTerminator()) {
          Out << "\\|Terminator: ";
          E.getSrc()->printTerminator(Out);
          
          if (isa<SwitchStmt>(T)) {
            // FIXME
          }
          else {
            Out << "\\lCondition: ";
            if (*E.getSrc()->succ_begin() == E.getDst())
              Out << "true";
            else
              Out << "false";                        
          }
          
          Out << "\\l";
        }
        
        if (GraphPrintCheckerState->isUninitControlFlow(N)) {
          Out << "\\|Control-flow based on\\lUninitialized value.\\l";
        }
      }
    }
    
    Out << "\\|StateID: " << (void*) N->getState().getImpl() << "\\|";
    
    PrintKind(Out, N->getState(), VarBindKey::IsDecl, true);
    PrintKind(Out, N->getState(), VarBindKey::IsBlkExpr);
    PrintKind(Out, N->getState(), VarBindKey::IsSubExpr);
      
    Out << "\\l";
    return Out.str();
  }
};
} // end llvm namespace    
#endif

namespace clang {
void RunGRConstants(CFG& cfg, FunctionDecl& FD, ASTContext& Ctx) {
  GREngine<GRConstants> Engine(cfg, FD, Ctx);
  Engine.ExecuteWorkList();  
#ifndef NDEBUG
  GraphPrintCheckerState = &Engine.getCheckerState();
  llvm::ViewGraph(*Engine.getGraph().roots_begin(),"GRConstants");
  GraphPrintCheckerState = NULL;
#endif  
}
} // end clang namespace