diff options
Diffstat (limited to 'dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java')
| -rw-r--r-- | dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java | 432 |
1 files changed, 219 insertions, 213 deletions
diff --git a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java index c437e0815c3..dfef8f40583 100644 --- a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java +++ b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/expression/SingleExpressionVMNode.java @@ -42,280 +42,286 @@ import org.eclipse.jface.viewers.TreePath; /** * A VM node for displaying a single expression in the expression hover. - * + * * @since 2.1 */ public class SingleExpressionVMNode extends AbstractVMNode implements IElementLabelProvider { private static class RootDMVMContext extends AbstractVMContext implements IDMVMContext { private final IDMContext fDmc; + public RootDMVMContext(IVMNode node, IDMContext dmc) { super(node); fDmc = dmc; } - @Override + + @Override public IDMContext getDMContext() { return fDmc; } + @SuppressWarnings("unchecked") @Override public <T> T getAdapter(Class<T> adapter) { - T superAdapter = super.getAdapter(adapter); - if (superAdapter != null) { - return superAdapter; - } else { - // Delegate to the Data Model to find the context. - if (adapter.isInstance(fDmc)) { - return (T)fDmc; - } else { - return fDmc.getAdapter(adapter); - } - } + T superAdapter = super.getAdapter(adapter); + if (superAdapter != null) { + return superAdapter; + } else { + // Delegate to the Data Model to find the context. + if (adapter.isInstance(fDmc)) { + return (T) fDmc; + } else { + return fDmc.getAdapter(adapter); + } + } } @Override public boolean equals(Object other) { - if (this == other) { - return true; - } - if (other instanceof RootDMVMContext) { - RootDMVMContext otherVmc = (RootDMVMContext)other; - return getVMNode().equals(otherVmc.getVMNode()) && fDmc.equals(otherVmc.fDmc); - } - return false; + if (this == other) { + return true; + } + if (other instanceof RootDMVMContext) { + RootDMVMContext otherVmc = (RootDMVMContext) other; + return getVMNode().equals(otherVmc.getVMNode()) && fDmc.equals(otherVmc.fDmc); + } + return false; } @Override public int hashCode() { - return getVMNode().hashCode() + fDmc.hashCode(); + return getVMNode().hashCode() + fDmc.hashCode(); } - @Override - public String toString() { - return fDmc.toString(); - } + @Override + public String toString() { + return fDmc.toString(); + } } private static class SimpleExpression implements IExpression { private String fExpressionText; + SimpleExpression(String text) { fExpressionText = text; } - @Override + + @Override public void dispose() { } - @Override + + @Override public IDebugTarget getDebugTarget() { return null; } - @Override + + @Override public String getExpressionText() { return fExpressionText; } - @Override + + @Override public IValue getValue() { return null; } - @Override + + @Override public ILaunch getLaunch() { return null; } - @Override + + @Override public String getModelIdentifier() { return null; } - @Override + + @Override public <T> T getAdapter(Class<T> adapter) { return null; } - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - if (obj instanceof SimpleExpression) { - return fExpressionText.equals(((SimpleExpression) obj).getExpressionText()); - } - return false; - } - @Override - public int hashCode() { - return fExpressionText.hashCode(); - } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof SimpleExpression) { + return fExpressionText.equals(((SimpleExpression) obj).getExpressionText()); + } + return false; + } + + @Override + public int hashCode() { + return fExpressionText.hashCode(); + } } - public SingleExpressionVMNode(ExpressionVMProvider provider) { - super(provider); - } + public SingleExpressionVMNode(ExpressionVMProvider provider) { + super(provider); + } + + @Override + public String toString() { + return "SingleExpressionVMNode"; //$NON-NLS-1$ + } + + private ExpressionVMProvider getExpressionVMProvider() { + return (ExpressionVMProvider) getVMProvider(); + } + + private IExpressionDMContext getUpdateExpressionDMC(IViewerUpdate update) { + if (update.getElement() instanceof IDMVMContext) { + IDMContext dmc = ((IDMVMContext) update.getElement()).getDMContext(); + if (dmc instanceof IExpressionDMContext) { + return (IExpressionDMContext) dmc; + } + } + return null; + } @Override - public String toString() { - return "SingleExpressionVMNode"; //$NON-NLS-1$ - } - - private ExpressionVMProvider getExpressionVMProvider() { - return (ExpressionVMProvider)getVMProvider(); - } - - private IExpressionDMContext getUpdateExpressionDMC(IViewerUpdate update) { - if (update.getElement() instanceof IDMVMContext) { - IDMContext dmc = ((IDMVMContext)update.getElement()).getDMContext(); - if (dmc instanceof IExpressionDMContext) { - return (IExpressionDMContext)dmc; - } - } - return null; - } - - - @Override public void update(IHasChildrenUpdate[] updates) { - for (int i = 0; i < updates.length; i++) { - updates[i].setHasChilren(getUpdateExpressionDMC(updates[i]) != null); - updates[i].done(); - } - } - - @Override + for (int i = 0; i < updates.length; i++) { + updates[i].setHasChilren(getUpdateExpressionDMC(updates[i]) != null); + updates[i].done(); + } + } + + @Override public void update(IChildrenCountUpdate[] updates) { - for (IChildrenCountUpdate update : updates) { - if (!checkUpdate(update)) continue; - - // We assume that the getExpressions() will just read local state data, - // so we don't bother using a job to perform this operation. - update.setChildCount(getUpdateExpressionDMC(update) != null ? 1 : 0); - update.done(); - } - } - - @Override + for (IChildrenCountUpdate update : updates) { + if (!checkUpdate(update)) + continue; + + // We assume that the getExpressions() will just read local state data, + // so we don't bother using a job to perform this operation. + update.setChildCount(getUpdateExpressionDMC(update) != null ? 1 : 0); + update.done(); + } + } + + @Override public void update(final IChildrenUpdate[] updates) { - for (IChildrenUpdate update : updates) { - IExpressionDMContext dmc = getUpdateExpressionDMC(update); - if (dmc != null) { - doUpdateChildren(update, new SimpleExpression(dmc.getExpression())); - } - else { - handleFailedUpdate(update); - } - } - } - - public void doUpdateChildren(final IChildrenUpdate update, final IExpression expression) { - // getElementForExpression() accepts a IElementsUpdate as an argument. - // Construct an instance of VMElementsUpdate which will call a - // the request monitor when it is finished. The request monitor - // will in turn set the element in the update argument in this method. - ((ExpressionVMProvider)getVMProvider()).update( - new VMExpressionUpdate( - update, expression, - new ViewerDataRequestMonitor<Object>(getVMProvider().getExecutor(), update) { - @Override - protected void handleSuccess() { - update.setChild(getData(), 0); - update.done(); - } - - @Override - protected void handleError() { - update.setChild(new InvalidExpressionVMContext(SingleExpressionVMNode.this, expression), 0); - update.done(); - } - }) - ); - } - - @Override - public void update(ILabelUpdate[] updates) { - // The label update handler only handles labels for the invalid expression VMCs. - // The expression layout nodes are responsible for supplying label providers - // for their VMCs. - for (ILabelUpdate update : updates) { - update.done(); - } - } - - @Override - public int getDeltaFlags(Object event) { - int retVal = 0; - - // Add a flag if the list of expressions in the global expression manager has changed. - if (event instanceof ExpressionsChangedEvent) { - retVal |= IModelDelta.ADDED | IModelDelta.REMOVED | IModelDelta.INSERTED | IModelDelta.CONTENT ; - } - - // The expression in the hover is not known here, so assume that all - // expression nodes need to provide delta flags for event. Iterate - // through them here and collect the flags. - for (IExpressionVMNode node : getExpressionVMProvider().getExpressionNodes()) { - retVal |= getDeltaFlagsForNode(node, event); - } - - return retVal; - } - - private int getDeltaFlagsForNode(IVMNode node, Object event) { - int retVal = node.getDeltaFlags(event); - for (IVMNode child : getVMProvider().getChildVMNodes(node)) { - if (!node.equals(child)) { - retVal |= getDeltaFlagsForNode(child, event); - } - } - return retVal; - } - - @Override - public void buildDelta(final Object event, final VMDelta parentDelta, final int nodeOffset, final RequestMonitor requestMonitor) { - if (event instanceof ExpressionsChangedEvent) { - buildDeltaForExpressionsChangedEvent((ExpressionsChangedEvent)event, parentDelta, nodeOffset, requestMonitor); - } else { - Object parent = parentDelta.getElement(); - if (parent instanceof IDMVMContext) { - IDMContext dmc = ((IDMVMContext)parent).getDMContext(); - if (dmc instanceof IExpressionDMContext) { - IExpression expression = new SimpleExpression( ((IExpressionDMContext)dmc).getExpression() ); - int flags = getExpressionVMProvider().getDeltaFlagsForExpression(expression, event); - // If the given expression has no delta flags, skip it. - if (flags != IModelDelta.NO_CHANGE) { - getExpressionVMProvider().buildDeltaForExpression( - expression, nodeOffset, event, parentDelta, getTreePathFromDelta(parentDelta), - requestMonitor); - return; - } - } - } - requestMonitor.done(); - } - } - - private void buildDeltaForExpressionsChangedEvent(ExpressionsChangedEvent event, VMDelta parentDelta, - int nodeOffset, RequestMonitor requestMonitor) - { - CountingRequestMonitor multiRm = new CountingRequestMonitor(getExecutor(), requestMonitor); - for (int i = 0; i < event.getExpressions().length; i++) { - int expIndex = event.getIndex() != -1 - ? nodeOffset + event.getIndex() + i - : -1; - getExpressionVMProvider().buildDeltaForExpression( - event.getExpressions()[i], expIndex, event, parentDelta, getTreePathFromDelta(parentDelta), - new RequestMonitor(getExecutor(), multiRm)); - } - multiRm.setDoneCount(event.getExpressions().length); - } - - private TreePath getTreePathFromDelta(IModelDelta delta) { - List<Object> elementList = new LinkedList<Object>(); - IModelDelta listDelta = delta; - elementList.add(0, listDelta.getElement()); - while (listDelta.getParentDelta() != null) { - elementList.add(0, listDelta.getElement()); - listDelta = listDelta.getParentDelta(); - } - return new TreePath(elementList.toArray()); - } + for (IChildrenUpdate update : updates) { + IExpressionDMContext dmc = getUpdateExpressionDMC(update); + if (dmc != null) { + doUpdateChildren(update, new SimpleExpression(dmc.getExpression())); + } else { + handleFailedUpdate(update); + } + } + } + + public void doUpdateChildren(final IChildrenUpdate update, final IExpression expression) { + // getElementForExpression() accepts a IElementsUpdate as an argument. + // Construct an instance of VMElementsUpdate which will call a + // the request monitor when it is finished. The request monitor + // will in turn set the element in the update argument in this method. + ((ExpressionVMProvider) getVMProvider()).update(new VMExpressionUpdate(update, expression, + new ViewerDataRequestMonitor<Object>(getVMProvider().getExecutor(), update) { + @Override + protected void handleSuccess() { + update.setChild(getData(), 0); + update.done(); + } + + @Override + protected void handleError() { + update.setChild(new InvalidExpressionVMContext(SingleExpressionVMNode.this, expression), 0); + update.done(); + } + })); + } + + @Override + public void update(ILabelUpdate[] updates) { + // The label update handler only handles labels for the invalid expression VMCs. + // The expression layout nodes are responsible for supplying label providers + // for their VMCs. + for (ILabelUpdate update : updates) { + update.done(); + } + } + + @Override + public int getDeltaFlags(Object event) { + int retVal = 0; + + // Add a flag if the list of expressions in the global expression manager has changed. + if (event instanceof ExpressionsChangedEvent) { + retVal |= IModelDelta.ADDED | IModelDelta.REMOVED | IModelDelta.INSERTED | IModelDelta.CONTENT; + } + + // The expression in the hover is not known here, so assume that all + // expression nodes need to provide delta flags for event. Iterate + // through them here and collect the flags. + for (IExpressionVMNode node : getExpressionVMProvider().getExpressionNodes()) { + retVal |= getDeltaFlagsForNode(node, event); + } + + return retVal; + } + + private int getDeltaFlagsForNode(IVMNode node, Object event) { + int retVal = node.getDeltaFlags(event); + for (IVMNode child : getVMProvider().getChildVMNodes(node)) { + if (!node.equals(child)) { + retVal |= getDeltaFlagsForNode(child, event); + } + } + return retVal; + } + + @Override + public void buildDelta(final Object event, final VMDelta parentDelta, final int nodeOffset, + final RequestMonitor requestMonitor) { + if (event instanceof ExpressionsChangedEvent) { + buildDeltaForExpressionsChangedEvent((ExpressionsChangedEvent) event, parentDelta, nodeOffset, + requestMonitor); + } else { + Object parent = parentDelta.getElement(); + if (parent instanceof IDMVMContext) { + IDMContext dmc = ((IDMVMContext) parent).getDMContext(); + if (dmc instanceof IExpressionDMContext) { + IExpression expression = new SimpleExpression(((IExpressionDMContext) dmc).getExpression()); + int flags = getExpressionVMProvider().getDeltaFlagsForExpression(expression, event); + // If the given expression has no delta flags, skip it. + if (flags != IModelDelta.NO_CHANGE) { + getExpressionVMProvider().buildDeltaForExpression(expression, nodeOffset, event, parentDelta, + getTreePathFromDelta(parentDelta), requestMonitor); + return; + } + } + } + requestMonitor.done(); + } + } + + private void buildDeltaForExpressionsChangedEvent(ExpressionsChangedEvent event, VMDelta parentDelta, + int nodeOffset, RequestMonitor requestMonitor) { + CountingRequestMonitor multiRm = new CountingRequestMonitor(getExecutor(), requestMonitor); + for (int i = 0; i < event.getExpressions().length; i++) { + int expIndex = event.getIndex() != -1 ? nodeOffset + event.getIndex() + i : -1; + getExpressionVMProvider().buildDeltaForExpression(event.getExpressions()[i], expIndex, event, parentDelta, + getTreePathFromDelta(parentDelta), new RequestMonitor(getExecutor(), multiRm)); + } + multiRm.setDoneCount(event.getExpressions().length); + } + + private TreePath getTreePathFromDelta(IModelDelta delta) { + List<Object> elementList = new LinkedList<Object>(); + IModelDelta listDelta = delta; + elementList.add(0, listDelta.getElement()); + while (listDelta.getParentDelta() != null) { + elementList.add(0, listDelta.getElement()); + listDelta = listDelta.getParentDelta(); + } + return new TreePath(elementList.toArray()); + } public IDMVMContext createVMContext(IDMContext dmc) { - return new RootDMVMContext(getVMProvider().getRootVMNode(), dmc); - } + return new RootDMVMContext(getVMProvider().getRootVMNode(), dmc); + } } |