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

Example 31 with FieldNode

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

the class AnonymousClassVisitor method getArgsToFieldsMapping.

private static Map<InsnArg, FieldNode> getArgsToFieldsMapping(MethodNode mth, List<InsnNode> usedInsns) {
    MethodInfo callMth = mth.getMethodInfo();
    ClassNode cls = mth.getParentClass();
    List<RegisterArg> argList = mth.getArgRegs();
    ClassNode outerCls = mth.getUseIn().get(0).getParentClass();
    int startArg = 0;
    if (callMth.getArgsCount() != 0 && callMth.getArgumentsTypes().get(0).equals(outerCls.getClassInfo().getType())) {
        startArg = 1;
    }
    Map<InsnArg, FieldNode> map = new LinkedHashMap<>();
    int argsCount = argList.size();
    for (int i = startArg; i < argsCount; i++) {
        RegisterArg arg = argList.get(i);
        InsnNode useInsn = getParentInsnSkipMove(arg);
        if (useInsn == null) {
            return Collections.emptyMap();
        }
        switch(useInsn.getType()) {
            case IPUT:
                FieldNode fieldNode = cls.searchField((FieldInfo) ((IndexInsnNode) useInsn).getIndex());
                if (fieldNode == null || !fieldNode.getAccessFlags().isSynthetic()) {
                    return Collections.emptyMap();
                }
                map.put(arg, fieldNode);
                usedInsns.add(useInsn);
                break;
            case CONSTRUCTOR:
                ConstructorInsn superConstr = (ConstructorInsn) useInsn;
                if (!superConstr.isSuper()) {
                    return Collections.emptyMap();
                }
                usedInsns.add(useInsn);
                break;
            default:
                return Collections.emptyMap();
        }
    }
    return map;
}

Example 32 with FieldNode

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

the class ClassModifier method getArgsToFieldsMapping.

private static Map<InsnArg, FieldNode> getArgsToFieldsMapping(MethodNode mth, List<InsnNode> usedInsns) {
    MethodInfo callMth = mth.getMethodInfo();
    ClassNode cls = mth.getParentClass();
    List<RegisterArg> argList = mth.getArgRegs();
    ClassNode outerCls = mth.getUseIn().get(0).getParentClass();
    int startArg = 0;
    if (callMth.getArgsCount() != 0 && callMth.getArgumentsTypes().get(0).equals(outerCls.getClassInfo().getType())) {
        startArg = 1;
    }
    Map<InsnArg, FieldNode> map = new LinkedHashMap<>();
    int argsCount = argList.size();
    for (int i = startArg; i < argsCount; i++) {
        RegisterArg arg = argList.get(i);
        InsnNode useInsn = getParentInsnSkipMove(arg);
        if (useInsn == null) {
            return Collections.emptyMap();
        }
        switch(useInsn.getType()) {
            case IPUT:
                FieldNode fieldNode = cls.searchField((FieldInfo) ((IndexInsnNode) useInsn).getIndex());
                if (fieldNode == null || !fieldNode.getAccessFlags().isSynthetic()) {
                    return Collections.emptyMap();
                }
                map.put(arg, fieldNode);
                usedInsns.add(useInsn);
                break;
            case CONSTRUCTOR:
                ConstructorInsn superConstr = (ConstructorInsn) useInsn;
                if (!superConstr.isSuper()) {
                    return Collections.emptyMap();
                }
                usedInsns.add(useInsn);
                break;
            default:
                return Collections.emptyMap();
        }
    }
    return map;
}

Example 33 with FieldNode

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

the class ClassModifier method removeSyntheticFields.

/**
 * Remove synthetic fields if type is outer class or class will be inlined (anonymous)
 */
private static void removeSyntheticFields(ClassNode cls) {
    boolean inline = cls.isAnonymous();
    if (inline || cls.getClassInfo().isInner()) {
        for (FieldNode field : cls.getFields()) {
            if (field.getAccessFlags().isSynthetic() && field.getType().isObject()) {
                ClassInfo clsInfo = ClassInfo.fromType(cls.root(), field.getType());
                ClassNode fieldsCls = cls.root().resolveClass(clsInfo);
                ClassInfo parentClass = cls.getClassInfo().getParentClass();
                if (fieldsCls != null && (inline || Objects.equals(parentClass, fieldsCls.getClassInfo()))) {
                    int found = 0;
                    for (MethodNode mth : cls.getMethods()) {
                        if (removeFieldUsageFromConstructor(mth, field, fieldsCls)) {
                            found++;
                        }
                    }
                    if (found != 0) {
                        field.addAttr(new FieldReplaceAttr(fieldsCls.getClassInfo()));
                        field.add(AFlag.DONT_GENERATE);
                    }
                }
            }
        }
    }
}

Example 34 with FieldNode

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

the class EnumVisitor method processEnumFieldByWrappedInsn.

private EnumField processEnumFieldByWrappedInsn(ClassNode cls, InsnNode wrappedInsn, BlockNode staticBlock, List<InsnNode> toRemove) {
    if (wrappedInsn.getType() == InsnType.SGET) {
        return processEnumFieldByField(cls, wrappedInsn, staticBlock, toRemove);
    }
    ConstructorInsn constructorInsn = castConstructorInsn(wrappedInsn);
    if (constructorInsn != null) {
        FieldNode enumFieldNode = createFakeField(cls, "EF" + constructorInsn.getOffset());
        cls.addField(enumFieldNode);
        return createEnumFieldByConstructor(cls, enumFieldNode, constructorInsn);
    }
    return null;
}

Example 35 with FieldNode

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

the class TestRFieldRestore method test.

@Test
public void test() {
    // unknown R class
    disableCompilation();
    Map<Integer, String> map = new HashMap<>();
    int buttonConstValue = 2131230730;
    map.put(buttonConstValue, "id.Button");
    setResMap(map);
    ClassNode cls = getClassNode(TestCls.class);
    String code = cls.getCode().toString();
    assertThat(code, containsOne("return R.id.Button;"));
    assertThat(code, not(containsString("import R;")));
    // check 'R' class
    ClassNode rCls = cls.root().searchClassByFullAlias("R");
    assertThat(rCls, notNullValue());
    // check inner 'id' class
    List<ClassNode> innerClasses = rCls.getInnerClasses();
    assertThat(innerClasses, hasSize(1));
    ClassNode idCls = innerClasses.get(0);
    assertThat(idCls.getShortName(), is("id"));
    // check 'Button' field
    FieldNode buttonField = idCls.searchFieldByName("Button");
    assertThat(buttonField, notNullValue());
    EncodedValue constVal = buttonField.get(JadxAttrType.CONSTANT_VALUE);
    Integer buttonValue = (Integer) constVal.getValue();
    assertThat(buttonValue, is(buttonConstValue));
}