Examples with TryCatchRegion jadx.core.dex.regions.TryCatchRegion used on opensource projects

Example 1 with TryCatchRegion

use of jadx.core.dex.regions.TryCatchRegion in project jadx by skylot.

the class ProcessTryCatchRegions method wrapBlocks.

/**
	 * Extract all block dominated by 'dominator' to separate region and mark as try/catch block
	 */
private static boolean wrapBlocks(IRegion replaceRegion, TryCatchBlock tb, BlockNode dominator) {
    if (replaceRegion == null) {
        return false;
    }
    if (replaceRegion instanceof LoopRegion) {
        LoopRegion loop = (LoopRegion) replaceRegion;
        return wrapBlocks(loop.getBody(), tb, dominator);
    }
    if (replaceRegion instanceof IBranchRegion) {
        return wrapBlocks(replaceRegion.getParent(), tb, dominator);
    }
    Region tryRegion = new Region(replaceRegion);
    List<IContainer> subBlocks = replaceRegion.getSubBlocks();
    for (IContainer cont : subBlocks) {
        if (RegionUtils.hasPathThroughBlock(dominator, cont)) {
            if (isHandlerPath(tb, cont)) {
                break;
            }
            tryRegion.getSubBlocks().add(cont);
        }
    }
    if (tryRegion.getSubBlocks().isEmpty()) {
        return false;
    }
    TryCatchRegion tryCatchRegion = new TryCatchRegion(replaceRegion, tryRegion);
    tryRegion.setParent(tryCatchRegion);
    tryCatchRegion.setTryCatchBlock(tb.getCatchAttr().getTryBlock());
    // replace first node by region
    IContainer firstNode = tryRegion.getSubBlocks().get(0);
    if (!replaceRegion.replaceSubBlock(firstNode, tryCatchRegion)) {
        return false;
    }
    subBlocks.removeAll(tryRegion.getSubBlocks());
    // fix parents for tryRegion sub blocks
    for (IContainer cont : tryRegion.getSubBlocks()) {
        if (cont instanceof AbstractRegion) {
            AbstractRegion aReg = (AbstractRegion) cont;
            aReg.setParent(tryRegion);
        }
    }
    return true;
}