Examples with CatchAttr jadx.core.dex.trycatch.CatchAttr used on opensource projects

Example 6 with CatchAttr

use of jadx.core.dex.trycatch.CatchAttr in project jadx by skylot.

the class BlockExceptionHandler method processExceptionHandlers.

private static void processExceptionHandlers(MethodNode mth, BlockNode block) {
    ExcHandlerAttr handlerAttr = block.get(AType.EXC_HANDLER);
    if (handlerAttr == null) {
        return;
    }
    ExceptionHandler excHandler = handlerAttr.getHandler();
    excHandler.addBlock(block);
    for (BlockNode node : BlockUtils.collectBlocksDominatedBy(block, block)) {
        excHandler.addBlock(node);
    }
    for (BlockNode excBlock : excHandler.getBlocks()) {
        // remove 'monitor-exit' from exception handler blocks
        InstructionRemover remover = new InstructionRemover(mth, excBlock);
        for (InsnNode insn : excBlock.getInstructions()) {
            if (insn.getType() == InsnType.MONITOR_ENTER) {
                break;
            }
            if (insn.getType() == InsnType.MONITOR_EXIT) {
                remover.add(insn);
            }
        }
        remover.perform();
        // if 'throw' in exception handler block have 'catch' - merge these catch blocks
        for (InsnNode insn : excBlock.getInstructions()) {
            CatchAttr catchAttr = insn.get(AType.CATCH_BLOCK);
            if (catchAttr == null) {
                continue;
            }
            if (insn.getType() == InsnType.THROW || onlyAllHandler(catchAttr.getTryBlock())) {
                TryCatchBlock handlerBlock = handlerAttr.getTryBlock();
                TryCatchBlock catchBlock = catchAttr.getTryBlock();
                handlerBlock.merge(mth, catchBlock);
            }
        }
    }
}

Example 7 with CatchAttr

use of jadx.core.dex.trycatch.CatchAttr in project jadx by skylot.

the class BlockFinallyExtract method markForRemove.

/**
	 * Unbind block for removing.
	 */
private static void markForRemove(MethodNode mth, BlockNode block) {
    for (BlockNode p : block.getPredecessors()) {
        p.getSuccessors().remove(block);
        p.updateCleanSuccessors();
    }
    for (BlockNode s : block.getSuccessors()) {
        s.getPredecessors().remove(block);
    }
    block.getPredecessors().clear();
    block.getSuccessors().clear();
    block.add(AFlag.REMOVE);
    block.remove(AFlag.SKIP);
    CatchAttr catchAttr = block.get(AType.CATCH_BLOCK);
    if (catchAttr != null) {
        catchAttr.getTryBlock().removeBlock(mth, block);
        for (BlockNode skipBlock : mth.getBasicBlocks()) {
            if (skipBlock.contains(AFlag.SKIP)) {
                markForRemove(mth, skipBlock);
            }
        }
    }
}