Examples with JavaClassParseException jadx.plugins.input.java.utils.JavaClassParseException used on opensource projects

Example 1 with JavaClassParseException

use of jadx.plugins.input.java.utils.JavaClassParseException in project jadx by skylot.

the class WideDecoder method decode.

@Override
public void decode(CodeDecodeState state) {
    DataReader reader = state.reader();
    JavaInsnData insn = state.insn();
    int opcode = reader.readU1();
    if (opcode == IINC) {
        int varNum = reader.readU2();
        int constValue = reader.readS2();
        state.local(0, varNum).local(1, varNum).lit(constValue);
        insn.setPayloadSize(5);
        insn.setRegsCount(2);
        insn.setOpcode(Opcode.ADD_INT_LIT);
        return;
    }
    int index = reader.readU2();
    switch(opcode) {
        // iload,
        case 0x15:
        // fload
        case 0x17:
        case // aload
        0x19:
            state.local(1, index).push(0);
            break;
        // lload
        case 0x16:
        case // dload
        0x18:
            state.local(1, index).pushWide(0);
            break;
        case 0x36:
        case 0x37:
        case 0x38:
        case 0x39:
        case 0x3a:
            // *store
            state.pop(1).local(0, index);
            break;
        default:
            throw new JavaClassParseException("Unexpected opcode in 'wide': 0x" + Integer.toHexString(opcode));
    }
    insn.setPayloadSize(3);
    insn.setRegsCount(2);
    insn.setOpcode(Opcode.MOVE);
}

Example 2 with JavaClassParseException

use of jadx.plugins.input.java.utils.JavaClassParseException in project jadx by skylot.

the class ConstPoolReader method resolveMethodCallSite.

private CallSite resolveMethodCallSite(int bootstrapMthIdx, int nameIdx, int descIdx) {
    JavaBootstrapMethodsAttr bootstrapMethodsAttr = clsData.loadAttribute(data, JavaAttrType.BOOTSTRAP_METHODS);
    if (bootstrapMethodsAttr == null) {
        throw new JavaClassParseException("Unexpected missing BootstrapMethods attribute");
    }
    RawBootstrapMethod rawBootstrapMethod = bootstrapMethodsAttr.getList().get(bootstrapMthIdx);
    List<EncodedValue> values = new ArrayList<>(6);
    values.add(new EncodedValue(EncodedType.ENCODED_METHOD_HANDLE, getMethodHandle(rawBootstrapMethod.getMethodHandleIdx())));
    values.add(new EncodedValue(EncodedType.ENCODED_STRING, getUtf8(nameIdx)));
    values.add(new EncodedValue(EncodedType.ENCODED_METHOD_TYPE, DescriptorParser.parseToMethodProto(getUtf8(descIdx))));
    for (int argConstIdx : rawBootstrapMethod.getArgs()) {
        values.add(readAsEncodedValue(argConstIdx));
    }
    return new CallSite(values);
}

Example 3 with JavaClassParseException

use of jadx.plugins.input.java.utils.JavaClassParseException in project jadx by skylot.

the class LoadConstDecoder method decode.

@Override
public void decode(CodeDecodeState state) {
    DataReader reader = state.reader();
    JavaInsnData insn = state.insn();
    int index;
    if (wide) {
        index = reader.readU2();
    } else {
        index = reader.readU1();
    }
    ConstPoolReader constPoolReader = insn.constPoolReader();
    ConstantType constType = constPoolReader.jumpToConst(index);
    switch(constType) {
        case INTEGER:
        case FLOAT:
            insn.setLiteral(constPoolReader.readU4());
            insn.setOpcode(Opcode.CONST);
            state.push(0, SVType.NARROW);
            break;
        case LONG:
        case DOUBLE:
            insn.setLiteral(constPoolReader.readU8());
            insn.setOpcode(Opcode.CONST_WIDE);
            state.push(0, SVType.WIDE);
            break;
        case STRING:
            insn.setIndex(constPoolReader.readU2());
            insn.setOpcode(Opcode.CONST_STRING);
            state.push(0, SVType.NARROW);
            break;
        case UTF8:
            insn.setIndex(index);
            insn.setOpcode(Opcode.CONST_STRING);
            state.push(0, SVType.NARROW);
            break;
        case CLASS:
            insn.setIndex(index);
            insn.setOpcode(Opcode.CONST_CLASS);
            state.push(0, SVType.NARROW);
            break;
        default:
            throw new JavaClassParseException("Unsupported constant type: " + constType);
    }
}

Example 4 with JavaClassParseException

use of jadx.plugins.input.java.utils.JavaClassParseException in project jadx by skylot.

the class EncodedValueReader method read.

public static EncodedValue read(JavaClassData clsData, DataReader reader) {
    ConstPoolReader constPool = clsData.getConstPoolReader();
    char tag = (char) reader.readU1();
    switch(tag) {
        case 'B':
            return new EncodedValue(EncodedType.ENCODED_BYTE, (byte) constPool.getInt(reader.readU2()));
        case 'C':
            return new EncodedValue(EncodedType.ENCODED_CHAR, (char) constPool.getInt(reader.readU2()));
        case 'D':
            return new EncodedValue(EncodedType.ENCODED_DOUBLE, constPool.getDouble(reader.readU2()));
        case 'F':
            return new EncodedValue(EncodedType.ENCODED_FLOAT, constPool.getFloat(reader.readU2()));
        case 'I':
            return new EncodedValue(EncodedType.ENCODED_INT, constPool.getInt(reader.readU2()));
        case 'J':
            return new EncodedValue(EncodedType.ENCODED_LONG, constPool.getLong(reader.readU2()));
        case 'S':
            return new EncodedValue(EncodedType.ENCODED_SHORT, (short) constPool.getInt(reader.readU2()));
        case 'Z':
            return new EncodedValue(EncodedType.ENCODED_BOOLEAN, 1 == constPool.getInt(reader.readU2()));
        case 's':
            return new EncodedValue(EncodedType.ENCODED_STRING, constPool.getUtf8(reader.readU2()));
        case 'e':
            String cls = constPool.getUtf8(reader.readU2());
            String name = constPool.getUtf8(reader.readU2());
            return new EncodedValue(EncodedType.ENCODED_ENUM, new JadxFieldRef(cls, name, cls));
        case 'c':
            return new EncodedValue(EncodedType.ENCODED_TYPE, constPool.getUtf8(reader.readU2()));
        case '@':
            return new EncodedValue(EncodedType.ENCODED_ANNOTATION, JavaAnnotationsAttr.readAnnotation(AnnotationVisibility.RUNTIME, clsData, reader));
        case '[':
            int len = reader.readU2();
            List<EncodedValue> values = new ArrayList<>(len);
            for (int i = 0; i < len; i++) {
                values.add(read(clsData, reader));
            }
            return new EncodedValue(EncodedType.ENCODED_ARRAY, values);
        default:
            throw new JavaClassParseException("Unknown element value tag: " + tag);
    }
}