Examples with ArgType jadx.core.dex.instructions.args.ArgType used on opensource projects

Example 26 with ArgType

use of jadx.core.dex.instructions.args.ArgType in project jadx by skylot.

the class ConstInlineVisitor method fixTypes.

/**
	 * This is method similar to PostTypeInference.process method,
	 * but contains some expensive operations needed only after constant inline
	 */
private static void fixTypes(MethodNode mth, InsnNode insn, LiteralArg litArg) {
    DexNode dex = mth.dex();
    PostTypeInference.process(mth, insn);
    switch(insn.getType()) {
        case CONST:
            insn.getArg(0).merge(dex, insn.getResult());
            break;
        case MOVE:
            insn.getResult().merge(dex, insn.getArg(0));
            insn.getArg(0).merge(dex, insn.getResult());
            break;
        case IPUT:
        case SPUT:
            IndexInsnNode node = (IndexInsnNode) insn;
            insn.getArg(0).merge(dex, ((FieldInfo) node.getIndex()).getType());
            break;
        case IF:
            {
                InsnArg arg0 = insn.getArg(0);
                InsnArg arg1 = insn.getArg(1);
                if (arg0 == litArg) {
                    arg0.merge(dex, arg1);
                } else {
                    arg1.merge(dex, arg0);
                }
                break;
            }
        case CMP_G:
        case CMP_L:
            InsnArg arg0 = insn.getArg(0);
            InsnArg arg1 = insn.getArg(1);
            if (arg0 == litArg) {
                arg0.merge(dex, arg1);
            } else {
                arg1.merge(dex, arg0);
            }
            break;
        case RETURN:
            if (insn.getArgsCount() != 0) {
                insn.getArg(0).merge(dex, mth.getReturnType());
            }
            break;
        case INVOKE:
            InvokeNode inv = (InvokeNode) insn;
            List<ArgType> types = inv.getCallMth().getArgumentsTypes();
            int count = insn.getArgsCount();
            int k = types.size() == count ? 0 : -1;
            for (int i = 0; i < count; i++) {
                InsnArg arg = insn.getArg(i);
                if (!arg.getType().isTypeKnown()) {
                    ArgType type;
                    if (k >= 0) {
                        type = types.get(k);
                    } else {
                        type = mth.getParentClass().getClassInfo().getType();
                    }
                    arg.merge(dex, type);
                }
                k++;
            }
            break;
        case ARITH:
            litArg.merge(dex, insn.getResult());
            break;
        case APUT:
        case AGET:
            if (litArg == insn.getArg(1)) {
                litArg.merge(dex, ArgType.INT);
            }
            break;
        case NEW_ARRAY:
            if (litArg == insn.getArg(0)) {
                litArg.merge(dex, ArgType.INT);
            }
            break;
        default:
            break;
    }
}

Example 27 with ArgType

use of jadx.core.dex.instructions.args.ArgType in project jadx by skylot.

the class DependencyCollector method processMethod.

private static void processMethod(DexNode dex, Set<ClassNode> depList, MethodNode methodNode) {
    addDep(dex, depList, methodNode.getParentClass());
    addDep(dex, depList, methodNode.getReturnType());
    for (ArgType arg : methodNode.getMethodInfo().getArgumentsTypes()) {
        addDep(dex, depList, arg);
    }
    for (BlockNode block : methodNode.getBasicBlocks()) {
        for (InsnNode insnNode : block.getInstructions()) {
            processInsn(dex, depList, insnNode);
        }
    }
}

Example 28 with ArgType

use of jadx.core.dex.instructions.args.ArgType in project jadx by skylot.

the class NameGen method makeNameFromInvoke.

private String makeNameFromInvoke(MethodInfo callMth) {
    String name = callMth.getName();
    if (name.startsWith("get") || name.startsWith("set")) {
        return fromName(name.substring(3));
    }
    ArgType declType = callMth.getDeclClass().getAlias().getType();
    if ("iterator".equals(name)) {
        return "it";
    }
    if ("toString".equals(name)) {
        return makeNameForType(declType);
    }
    if ("forName".equals(name) && declType.equals(ArgType.CLASS)) {
        return OBJ_ALIAS.get(Consts.CLASS_CLASS);
    }
    return name;
}

Example 29 with ArgType

use of jadx.core.dex.instructions.args.ArgType in project jadx by skylot.

the class Deobfuscator method resolveOverridingInternal.

@Nullable
private static ClassNode resolveOverridingInternal(DexNode dex, ClassNode cls, String signature, Set<MethodInfo> overrideSet, ClassNode rootClass) {
    ClassNode result = null;
    for (MethodNode m : cls.getMethods()) {
        if (m.getMethodInfo().getShortId().startsWith(signature)) {
            result = cls;
            if (!overrideSet.contains(m.getMethodInfo())) {
                overrideSet.add(m.getMethodInfo());
            }
            break;
        }
    }
    ArgType superClass = cls.getSuperClass();
    if (superClass != null) {
        ClassNode superNode = dex.resolveClass(superClass);
        if (superNode != null) {
            ClassNode clsWithMth = resolveOverridingInternal(dex, superNode, signature, overrideSet, rootClass);
            if (clsWithMth != null) {
                if ((result != null) && (result != cls)) {
                    if (clsWithMth != result) {
                        LOG.warn(String.format("Multiple overriding '%s' from '%s' and '%s' in '%s'", signature, result.getFullName(), clsWithMth.getFullName(), rootClass.getFullName()));
                    }
                } else {
                    result = clsWithMth;
                }
            }
        }
    }
    for (ArgType iFaceType : cls.getInterfaces()) {
        ClassNode iFaceNode = dex.resolveClass(iFaceType);
        if (iFaceNode != null) {
            ClassNode clsWithMth = resolveOverridingInternal(dex, iFaceNode, signature, overrideSet, rootClass);
            if (clsWithMth != null) {
                if ((result != null) && (result != cls)) {
                    if (clsWithMth != result) {
                        LOG.warn(String.format("Multiple overriding '%s' from '%s' and '%s' in '%s'", signature, result.getFullName(), clsWithMth.getFullName(), rootClass.getFullName()));
                    }
                } else {
                    result = clsWithMth;
                }
            }
        }
    }
    return result;
}

Example 30 with ArgType

use of jadx.core.dex.instructions.args.ArgType in project jadx by skylot.

the class InsnGen method makeInsnBody.

private void makeInsnBody(CodeWriter code, InsnNode insn, Set<Flags> state) throws CodegenException {
    switch(insn.getType()) {
        case CONST_STR:
            String str = ((ConstStringNode) insn).getString();
            code.add(mth.dex().root().getStringUtils().unescapeString(str));
            break;
        case CONST_CLASS:
            ArgType clsType = ((ConstClassNode) insn).getClsType();
            useType(code, clsType);
            code.add(".class");
            break;
        case CONST:
            LiteralArg arg = (LiteralArg) insn.getArg(0);
            code.add(lit(arg));
            break;
        case MOVE:
            addArg(code, insn.getArg(0), false);
            break;
        case CHECK_CAST:
        case CAST:
            {
                boolean wrap = state.contains(Flags.BODY_ONLY);
                if (wrap) {
                    code.add('(');
                }
                code.add('(');
                useType(code, (ArgType) ((IndexInsnNode) insn).getIndex());
                code.add(") ");
                addArg(code, insn.getArg(0), true);
                if (wrap) {
                    code.add(')');
                }
                break;
            }
        case ARITH:
            makeArith((ArithNode) insn, code, state);
            break;
        case NEG:
            {
                boolean wrap = state.contains(Flags.BODY_ONLY);
                if (wrap) {
                    code.add('(');
                }
                code.add('-');
                addArg(code, insn.getArg(0));
                if (wrap) {
                    code.add(')');
                }
                break;
            }
        case RETURN:
            if (insn.getArgsCount() != 0) {
                code.add("return ");
                addArg(code, insn.getArg(0), false);
            } else {
                code.add("return");
            }
            break;
        case BREAK:
            code.add("break");
            LoopLabelAttr labelAttr = insn.get(AType.LOOP_LABEL);
            if (labelAttr != null) {
                code.add(' ').add(mgen.getNameGen().getLoopLabel(labelAttr));
            }
            break;
        case CONTINUE:
            code.add("continue");
            break;
        case THROW:
            code.add("throw ");
            addArg(code, insn.getArg(0), true);
            break;
        case CMP_L:
        case CMP_G:
            code.add('(');
            addArg(code, insn.getArg(0));
            code.add(" > ");
            addArg(code, insn.getArg(1));
            code.add(" ? 1 : (");
            addArg(code, insn.getArg(0));
            code.add(" == ");
            addArg(code, insn.getArg(1));
            code.add(" ? 0 : -1))");
            break;
        case INSTANCE_OF:
            {
                boolean wrap = state.contains(Flags.BODY_ONLY);
                if (wrap) {
                    code.add('(');
                }
                addArg(code, insn.getArg(0));
                code.add(" instanceof ");
                useType(code, (ArgType) ((IndexInsnNode) insn).getIndex());
                if (wrap) {
                    code.add(')');
                }
                break;
            }
        case CONSTRUCTOR:
            makeConstructor((ConstructorInsn) insn, code);
            break;
        case INVOKE:
            makeInvoke((InvokeNode) insn, code);
            break;
        case NEW_ARRAY:
            {
                ArgType arrayType = ((NewArrayNode) insn).getArrayType();
                code.add("new ");
                useType(code, arrayType.getArrayRootElement());
                code.add('[');
                addArg(code, insn.getArg(0));
                code.add(']');
                int dim = arrayType.getArrayDimension();
                for (int i = 0; i < dim - 1; i++) {
                    code.add("[]");
                }
                break;
            }
        case ARRAY_LENGTH:
            addArg(code, insn.getArg(0));
            code.add(".length");
            break;
        case FILLED_NEW_ARRAY:
            filledNewArray((FilledNewArrayNode) insn, code);
            break;
        case AGET:
            addArg(code, insn.getArg(0));
            code.add('[');
            addArg(code, insn.getArg(1), false);
            code.add(']');
            break;
        case APUT:
            addArg(code, insn.getArg(0));
            code.add('[');
            addArg(code, insn.getArg(1), false);
            code.add("] = ");
            addArg(code, insn.getArg(2), false);
            break;
        case IGET:
            {
                FieldInfo fieldInfo = (FieldInfo) ((IndexInsnNode) insn).getIndex();
                instanceField(code, fieldInfo, insn.getArg(0));
                break;
            }
        case IPUT:
            {
                FieldInfo fieldInfo = (FieldInfo) ((IndexInsnNode) insn).getIndex();
                instanceField(code, fieldInfo, insn.getArg(1));
                code.add(" = ");
                addArg(code, insn.getArg(0), false);
                break;
            }
        case SGET:
            staticField(code, (FieldInfo) ((IndexInsnNode) insn).getIndex());
            break;
        case SPUT:
            FieldInfo field = (FieldInfo) ((IndexInsnNode) insn).getIndex();
            staticField(code, field);
            code.add(" = ");
            addArg(code, insn.getArg(0), false);
            break;
        case STR_CONCAT:
            boolean wrap = state.contains(Flags.BODY_ONLY);
            if (wrap) {
                code.add('(');
            }
            for (Iterator<InsnArg> it = insn.getArguments().iterator(); it.hasNext(); ) {
                addArg(code, it.next());
                if (it.hasNext()) {
                    code.add(" + ");
                }
            }
            if (wrap) {
                code.add(')');
            }
            break;
        case MONITOR_ENTER:
            if (isFallback()) {
                code.add("monitor-enter(");
                addArg(code, insn.getArg(0));
                code.add(')');
            }
            break;
        case MONITOR_EXIT:
            if (isFallback()) {
                code.add("monitor-exit(");
                addArg(code, insn.getArg(0));
                code.add(')');
            }
            break;
        case TERNARY:
            makeTernary((TernaryInsn) insn, code, state);
            break;
        case ONE_ARG:
            addArg(code, insn.getArg(0));
            break;
        /* fallback mode instructions */
        case IF:
            fallbackOnlyInsn(insn);
            IfNode ifInsn = (IfNode) insn;
            code.add("if (");
            addArg(code, insn.getArg(0));
            code.add(' ');
            code.add(ifInsn.getOp().getSymbol()).add(' ');
            addArg(code, insn.getArg(1));
            code.add(") goto ").add(MethodGen.getLabelName(ifInsn.getTarget()));
            break;
        case GOTO:
            fallbackOnlyInsn(insn);
            code.add("goto ").add(MethodGen.getLabelName(((GotoNode) insn).getTarget()));
            break;
        case MOVE_EXCEPTION:
            fallbackOnlyInsn(insn);
            code.add("move-exception");
            break;
        case SWITCH:
            fallbackOnlyInsn(insn);
            SwitchNode sw = (SwitchNode) insn;
            code.add("switch(");
            addArg(code, insn.getArg(0));
            code.add(") {");
            code.incIndent();
            for (int i = 0; i < sw.getCasesCount(); i++) {
                String key = sw.getKeys()[i].toString();
                code.startLine("case ").add(key).add(": goto ");
                code.add(MethodGen.getLabelName(sw.getTargets()[i])).add(';');
            }
            code.startLine("default: goto ");
            code.add(MethodGen.getLabelName(sw.getDefaultCaseOffset())).add(';');
            code.decIndent();
            code.startLine('}');
            break;
        case FILL_ARRAY:
            fallbackOnlyInsn(insn);
            FillArrayNode arrayNode = (FillArrayNode) insn;
            Object data = arrayNode.getData();
            String arrStr;
            if (data instanceof int[]) {
                arrStr = Arrays.toString((int[]) data);
            } else if (data instanceof short[]) {
                arrStr = Arrays.toString((short[]) data);
            } else if (data instanceof byte[]) {
                arrStr = Arrays.toString((byte[]) data);
            } else if (data instanceof long[]) {
                arrStr = Arrays.toString((long[]) data);
            } else {
                arrStr = "?";
            }
            code.add('{').add(arrStr.substring(1, arrStr.length() - 1)).add('}');
            break;
        case NEW_INSTANCE:
            // only fallback - make new instance in constructor invoke
            fallbackOnlyInsn(insn);
            code.add("new ").add(insn.getResult().getType().toString());
            break;
        case PHI:
        case MERGE:
            fallbackOnlyInsn(insn);
            code.add(insn.getType().toString()).add("(");
            for (InsnArg insnArg : insn.getArguments()) {
                addArg(code, insnArg);
                code.add(' ');
            }
            code.add(")");
            break;
        default:
            throw new CodegenException(mth, "Unknown instruction: " + insn.getType());
    }
}