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

Example 41 with ObjectRef

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

the class NativeThrowable method getStackTraceElement.

/**
 * native
 *
 * @see Throwable#getStackTraceElement(int)
 */
private static Result getStackTraceElement(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    int index = (int) methodArgs.invokeArgs[0];
    ObjectRef objectRef = methodArgs.objectRef;
    ObjectRef stackTraceElementsRef = (ObjectRef) frame.heap.getField(objectRef, "stackTraceElements");
    ObjectRef stackTraceElementRef = (ObjectRef) frame.heap.getArray(stackTraceElementsRef, index);
    Result result = NativeMethod.result(methodCode, stackTraceElementRef, frame);
    return result;
}

Example 42 with ObjectRef

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

the class NativeThrowable method fillInStackTrace.

/**
 * native
 *
 * @see Throwable#fillInStackTrace(int)
 */
private static Result fillInStackTrace(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    int dummy = (int) methodArgs.invokeArgs[0];
    ObjectRef objectRef = methodArgs.objectRef;
    int size = frame.vm.vmStack.size();
    boolean isThrowable = true;
    List<Frame> frames = new ArrayList<>();
    for (int i = size - 1; i >= 0; i--) {
        Frame frame1 = frame.vm.vmStack.get(i);
        if (isThrowable) {
            if (Instanceof.instanceof_(frame1.methodCode.className, "java/lang/Throwable", frame)) {
                continue;
            } else {
                isThrowable = false;
            }
        }
        frames.add(frame1);
    }
    ObjectRef stackTraceElementsRef = frame.heap.newArray(VariableType.STACK_TRACE_ELEMENT_ARRAY_TYPE, frames.size());
    frame.heap.putField(objectRef, "stackTraceElements", stackTraceElementsRef);
    int index = 0;
    for (Frame frame1 : frames) {
        ObjectRef declaringClass = frame.heap.newString(frame1.methodCode.className);
        ObjectRef methodName = frame.heap.newString(frame1.methodCode.name);
        ObjectRef fileName = frame.heap.newString(frame1.methodCode.classCode.sourceFile);
        int lineNumber = frame1.getLine();
        ObjectRef stackTraceElementRef = frame.heap.runNewObjectWithArgs(VariableType.STACK_TRACE_ELEMENT_TYPE, null, declaringClass, methodName, fileName, lineNumber);
        frame.heap.putArray(stackTraceElementsRef, index++, stackTraceElementRef);
    }
    Result result = NativeMethod.result(methodCode, objectRef, frame);
    return result;
}

Example 43 with ObjectRef

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

the class NativeVM method initialize.

/**
 * native
 *
 * @see VM#initialize()
 */
private static Result initialize(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    ObjectRef savedProps = (ObjectRef) frame.heap.getStatic(TYPE, "savedProps");
    ObjectRef key = frame.heap.newString("user.script");
    ObjectRef value = frame.heap.newString("");
    MethodCode methodCode1 = frame.methodArea.loadMethod("java/util/Properties", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
    frame.vm.run(methodCode1, new Object[] { savedProps, key, value }, false);
    Result result = NativeMethod.result(methodCode, null, frame);
    return result;
}

Example 44 with ObjectRef

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

the class NativeSystem method identityHashCode.

/**
 * native
 *
 * @see System#identityHashCode(Object)
 */
private static Result identityHashCode(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    ObjectRef objectRef = (ObjectRef) methodArgs.invokeArgs[0];
    int hashCode = identityHashCode(objectRef);
    Result result = NativeMethod.result(methodCode, hashCode, frame);
    return result;
}

Example 45 with ObjectRef

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

the class NativeSystem method arraycopy.

/**
 * native
 *
 * @see System#arraycopy(Object, int, Object, int, int)
 */
private static Result arraycopy(MethodCode methodCode, MethodArgs methodArgs, Frame frame) {
    Object[] args = methodArgs.invokeArgs;
    ObjectRef srcObjectRef = (ObjectRef) args[0];
    int srcPos = (int) args[1];
    ObjectRef destObjectRef = (ObjectRef) args[2];
    int destPos = (int) args[3];
    int length = (int) args[4];
    if (length > 0 && frame.checkArray(srcObjectRef, srcPos) && frame.checkArray(srcObjectRef, srcPos + length - 1) && frame.checkArray(destObjectRef, destPos) && frame.checkArray(destObjectRef, destPos + length - 1)) {
        frame.heap.arraycopy(srcObjectRef, srcPos, destObjectRef, destPos, length);
    }
    Result result = NativeMethod.result(methodCode, null, frame);
    return result;
}