Examples with ObjectRef io.nuls.contract.vm.ObjectRef used on opensource projects

Example 26 with ObjectRef

use of io.nuls.contract.vm.ObjectRef in project nuls by nuls-io.

the class Aload method aload.

public static void aload(final Frame frame) {
    int index = frame.varInsnNode().var;
    ObjectRef objectRef = frame.localVariables.getRef(index);
    frame.operandStack.pushRef(objectRef);
// Log.result(frame.getCurrentOpCode(), objectRef, index);
}

Example 27 with ObjectRef

use of io.nuls.contract.vm.ObjectRef in project nuls by nuls-io.

the class Newarray method newarray.

public static void newarray(Frame frame) {
    VariableType type;
    int length = frame.operandStack.popInt();
    if (length < 0) {
        frame.throwNegativeArraySizeException();
        return;
    } else {
        switch(frame.intInsnNode().operand) {
            case Opcodes.T_BOOLEAN:
                type = VariableType.BOOLEAN_ARRAY_TYPE;
                break;
            case Opcodes.T_CHAR:
                type = VariableType.CHAR_ARRAY_TYPE;
                break;
            case Opcodes.T_FLOAT:
                type = VariableType.FLOAT_ARRAY_TYPE;
                break;
            case Opcodes.T_DOUBLE:
                type = VariableType.DOUBLE_ARRAY_TYPE;
                break;
            case Opcodes.T_BYTE:
                type = VariableType.BYTE_ARRAY_TYPE;
                break;
            case Opcodes.T_SHORT:
                type = VariableType.SHORT_ARRAY_TYPE;
                break;
            case Opcodes.T_INT:
                type = VariableType.INT_ARRAY_TYPE;
                break;
            case Opcodes.T_LONG:
                type = VariableType.LONG_ARRAY_TYPE;
                break;
            default:
                throw new IllegalArgumentException("unknown operand");
        }
    }
    ObjectRef arrayRef = frame.heap.newArray(type, length);
    frame.operandStack.pushRef(arrayRef);
// Log.result(frame.getCurrentOpCode(), arrayRef);
}

Example 28 with ObjectRef

use of io.nuls.contract.vm.ObjectRef in project nuls by nuls-io.

the class NativeMethod method result.

public static Result result(MethodCode methodCode, Object resultValue, Frame frame) {
    VariableType variableType = methodCode.returnVariableType;
    Result result = new Result(variableType);
    if (variableType.isNotVoid()) {
        result.value(resultValue);
        if (resultValue == null) {
            frame.operandStack.pushRef(null);
        } else if (variableType.isPrimitive()) {
            frame.operandStack.push(resultValue, variableType);
        } else if (resultValue instanceof ObjectRef) {
            frame.operandStack.pushRef((ObjectRef) resultValue);
        } else {
            throw new IllegalArgumentException("unknown result value");
        }
    }
    return result;
}

Example 29 with ObjectRef

use of io.nuls.contract.vm.ObjectRef in project nuls by nuls-io.

the class NativeBlock method getBlockHeader.

private static ObjectRef getBlockHeader(long blockNumber, Frame frame) {
    String fieldName = "BlockHeader$" + blockNumber;
    Object object = frame.heap.getStatic(VariableType.BLOCK_HEADER_TYPE.getType(), fieldName);
    if (object != null) {
        return (ObjectRef) object;
    }
    BlockHeaderDto blockHeaderDto = frame.vm.getBlockHeader(blockNumber);
    if (blockHeaderDto != null) {
        ObjectRef objectRef = frame.heap.newObject(VariableType.BLOCK_HEADER_TYPE);
        frame.heap.putField(objectRef, "hash", frame.heap.newString(blockHeaderDto.getHash()));
        frame.heap.putField(objectRef, "time", blockHeaderDto.getTime());
        frame.heap.putField(objectRef, "height", blockHeaderDto.getHeight());
        frame.heap.putField(objectRef, "txCount", blockHeaderDto.getTxCount());
        ObjectRef packingAddress = null;
        if (blockHeaderDto.getPackingAddress() != null) {
            packingAddress = frame.heap.newAddress(NativeAddress.toString(blockHeaderDto.getPackingAddress()));
        }
        frame.heap.putField(objectRef, "packingAddress", packingAddress);
        String stateRoot = null;
        if (blockHeaderDto.getStateRoot() != null) {
            stateRoot = Hex.toHexString(blockHeaderDto.getStateRoot());
        }
        frame.heap.putField(objectRef, "stateRoot", frame.heap.newString(stateRoot));
        frame.heap.putStatic(VariableType.BLOCK_HEADER_TYPE.getType(), fieldName, objectRef);
        return objectRef;
    }
    return null;
}

Example 30 with ObjectRef

use of io.nuls.contract.vm.ObjectRef in project nuls by nuls-io.

the class NativeBlock method getBlockHeader.

/**
 * native
 *
 * @see Block#getBlockHeader(long)
 */
private static Result getBlockHeader(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    long blockNumber = (long) methodArgs.invokeArgs[0];
    ObjectRef objectRef = getBlockHeader(blockNumber, frame);
    Result result = NativeMethod.result(methodCode, objectRef, frame);
    return result;
}