Examples with InsnNode jadx.core.dex.nodes.InsnNode used on opensource projects

Example 61 with InsnNode

use of jadx.core.dex.nodes.InsnNode in project jadx by skylot.

the class InstructionRemover method removeAll.

// Don't use 'instrList.removeAll(toRemove)' because it will remove instructions by content
// and here can be several instructions with same content
private static void removeAll(MethodNode mth, List<InsnNode> insns, List<InsnNode> toRemove) {
    for (InsnNode rem : toRemove) {
        unbindInsn(mth, rem);
        int insnsCount = insns.size();
        for (int i = 0; i < insnsCount; i++) {
            if (insns.get(i) == rem) {
                insns.remove(i);
                break;
            }
        }
    }
}

Example 62 with InsnNode

use of jadx.core.dex.nodes.InsnNode in project jadx by skylot.

the class RegionUtils method getLastInsn.

public static InsnNode getLastInsn(IContainer container) {
    if (container instanceof IBlock) {
        IBlock block = (IBlock) container;
        List<InsnNode> insnList = block.getInstructions();
        if (insnList.isEmpty()) {
            return null;
        }
        return insnList.get(insnList.size() - 1);
    } else if (container instanceof IBranchRegion) {
        return null;
    } else if (container instanceof IRegion) {
        IRegion region = (IRegion) container;
        List<IContainer> blocks = region.getSubBlocks();
        if (blocks.isEmpty()) {
            return null;
        }
        return getLastInsn(blocks.get(blocks.size() - 1));
    } else {
        throw new JadxRuntimeException(unknownContainerType(container));
    }
}

Example 63 with InsnNode

use of jadx.core.dex.nodes.InsnNode in project jadx by skylot.

the class TestDuplicateCast method test.

@Test
public void test() {
    dontUnloadClass();
    ClassNode cls = getClassNode(TestCls.class);
    MethodNode mth = getMethod(cls, "method");
    String code = cls.getCode().toString();
    assertThat(code, containsString("return (int[]) o;"));
    List<InsnNode> insns = mth.getBasicBlocks().get(1).getInstructions();
    assertEquals(insns.size(), 1);
    InsnNode insnNode = insns.get(0);
    assertEquals(InsnType.RETURN, insnNode.getType());
    assertTrue(insnNode.getArg(0).isInsnWrap());
    InsnNode wrapInsn = ((InsnWrapArg) insnNode.getArg(0)).getWrapInsn();
    assertEquals(InsnType.CHECK_CAST, wrapInsn.getType());
    assertFalse(wrapInsn.getArg(0).isInsnWrap());
}

Example 64 with InsnNode

use of jadx.core.dex.nodes.InsnNode in project jadx by skylot.

the class NameGen method makeNameFromInsn.

private String makeNameFromInsn(InsnNode insn) {
    switch(insn.getType()) {
        case INVOKE:
            InvokeNode inv = (InvokeNode) insn;
            return makeNameFromInvoke(inv.getCallMth());
        case CONSTRUCTOR:
            ConstructorInsn co = (ConstructorInsn) insn;
            return makeNameForObject(co.getClassType().getType());
        case ARRAY_LENGTH:
            return "length";
        case ARITH:
        case TERNARY:
        case CAST:
            for (InsnArg arg : insn.getArguments()) {
                if (arg.isInsnWrap()) {
                    InsnNode wrapInsn = ((InsnWrapArg) arg).getWrapInsn();
                    String wName = makeNameFromInsn(wrapInsn);
                    if (wName != null) {
                        return wName;
                    }
                }
            }
            break;
        default:
            break;
    }
    return null;
}

Example 65 with InsnNode

use of jadx.core.dex.nodes.InsnNode in project jadx by skylot.

the class NameGen method guessName.

private String guessName(RegisterArg arg) {
    SSAVar sVar = arg.getSVar();
    if (sVar != null && sVar.getName() == null) {
        RegisterArg assignArg = sVar.getAssign();
        InsnNode assignInsn = assignArg.getParentInsn();
        if (assignInsn != null) {
            String name = makeNameFromInsn(assignInsn);
            if (name != null && !NameMapper.isReserved(name)) {
                assignArg.setName(name);
                return name;
            }
        }
    }
    return makeNameForType(arg.getType());
}