示例#1
0
 private boolean inExceptionHandlerBlocks(BlockNode loopEnd) {
   if (mth.getExceptionHandlersCount() == 0) {
     return false;
   }
   for (ExceptionHandler eh : mth.getExceptionHandlers()) {
     if (eh.getBlocks().contains(loopEnd)) {
       return true;
     }
   }
   return false;
 }
示例#2
0
 public void processTryCatchBlocks(MethodNode mth) {
   Set<TryCatchBlock> tcs = new HashSet<TryCatchBlock>();
   for (ExceptionHandler handler : mth.getExceptionHandlers()) {
     tcs.add(handler.getTryBlock());
   }
   for (TryCatchBlock tc : tcs) {
     List<BlockNode> blocks = new ArrayList<BlockNode>(tc.getHandlersCount());
     Set<BlockNode> splitters = new HashSet<BlockNode>();
     for (ExceptionHandler handler : tc.getHandlers()) {
       BlockNode handlerBlock = handler.getHandlerBlock();
       if (handlerBlock != null) {
         blocks.add(handlerBlock);
         splitters.addAll(handlerBlock.getPredecessors());
       } else {
         LOG.debug(ErrorsCounter.formatErrorMsg(mth, "No exception handler block: " + handler));
       }
     }
     Set<BlockNode> exits = new HashSet<BlockNode>();
     for (BlockNode splitter : splitters) {
       for (BlockNode handler : blocks) {
         List<BlockNode> s = splitter.getSuccessors();
         if (s.isEmpty()) {
           LOG.debug(ErrorsCounter.formatErrorMsg(mth, "No successors for splitter: " + splitter));
           continue;
         }
         BlockNode ss = s.get(0);
         BlockNode cross = BlockUtils.getPathCross(mth, ss, handler);
         if (cross != null && cross != ss && cross != handler) {
           exits.add(cross);
         }
       }
     }
     for (ExceptionHandler handler : tc.getHandlers()) {
       processExcHandler(handler, exits);
     }
   }
 }