Java 类org.eclipse.debug.core.model.IWatchExpressionDelegate 实例源码

public void evaluate(String expression, InvocationResult listener) {
        IExpressionManager expressionManager = DebugPlugin.getDefault().getExpressionManager();
        StackFrameModel stackFrame = getTopFrame();
        IWatchExpressionDelegate delegate = expressionManager.newWatchExpressionDelegate(stackFrame.getStackFrame().getModelIdentifier());  
        delegate.evaluateExpression(expression, stackFrame.getStackFrame(), new IWatchExpressionListener() {
            public void watchEvaluationFinished(IWatchExpressionResult result) {
                listener.valueReturn(result.getValue());
//              setChanged();
//              notifyObservers(new Event<IStackFrameModel>(Event.Type.EVALUATION, getTopFrame()));
//              try {
//                  evaluationNotify();
//              } catch (DebugException e) {
//                  e.printStackTrace();
//              }
            }
        });
    }

public void invoke(String methodName, InvocationResult listener, String ... args) {
        IExpressionManager expressionManager = DebugPlugin.getDefault().getExpressionManager();
        StackFrameModel stackFrame = getRuntimeModel().getTopFrame();
        IWatchExpressionDelegate delegate = expressionManager.newWatchExpressionDelegate(stackFrame.getStackFrame().getModelIdentifier());

//      List<String> refPaths = getRuntimeModel().findReferencePaths(this);
//      if(refPaths.isEmpty())
//          return;

        ReferencePath refPath = getRuntimeModel().findReferencePaths(this);
        if(refPath == null)
            return;
//      String exp = refPaths.get(0) + "." + methodName + "(" + String.join(", ", args) + ")";
        String exp = refPath.referencePath + "." + methodName + "(" + String.join(", ", args) + ")";

//      IStackFrame context = getRuntimeModel().getFirstVisibleFrame().getStackFrame();
        delegate.evaluateExpression(exp, refPath.context, new ExpressionListener(exp, listener));
    }

/**
 * Render a selected variable.
 * 
 * @param selection
 *            the selection object
 * @param element
 *            the variable element
 * @throws DebugException
 */
private void displayVariable(IStructuredSelection selection, IDebugElement element) throws DebugException {
    IValue value = ((IVariable) element).getValue();

    if (value instanceof IJavaPrimitiveValue) {
        setBrowserTextToPrimitive((IJavaPrimitiveValue) value);
    } else {
        TreePath firstElementTreePath = ((TreeSelection) selection).getPaths()[0];
        String watchExpression = generateWatchExpression(firstElementTreePath);
        String messageExpression = generateMessageExpression(watchExpression);

        // Iterate all threads and run our rendering
        // expression in them in the hopes that we can find
        // the relevant selection in only one thread
        // FIXME find a better way to derive the correct thread!
        IWatchExpressionDelegate delegate = DebugPlugin.getDefault().getExpressionManager()
                .newWatchExpressionDelegate(element.getModelIdentifier());
        for (IThread thread : element.getDebugTarget().getThreads()) {
            delegate.evaluateExpression(messageExpression, thread, this);
        }
    }
}