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;
}
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);
}
}
}