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Honor expression context when creating Watches #2311

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42 changes: 30 additions & 12 deletions ...g.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/expressions/WatchHandler.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2008, 2015 Wind River Systems and others.
* Copyright (c) 2008, 2025 Wind River Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
Expand All @@ -10,16 +10,16 @@
*
* Contributors:
* Wind River Systems - initial API and implementation
* IBM Corporation - Improved expression creation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.expressions;

import java.util.Iterator;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IDebugElement;
Expand All @@ -32,7 +32,8 @@
import org.eclipse.debug.ui.actions.IWatchExpressionFactoryAdapter;
import org.eclipse.debug.ui.actions.IWatchExpressionFactoryAdapter2;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
Expand All @@ -49,11 +50,26 @@ public class WatchHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection) {
Iterator<?> iter = ((IStructuredSelection)selection).iterator();
while (iter.hasNext()) {
Object element = iter.next();
createExpression(element);
if (selection instanceof TreeSelection treeSelection) {
for (TreePath path : treeSelection.getPaths()) {
if (path.getSegmentCount() > 1) {
StringBuilder expressionString = new StringBuilder();
for (int e = 0; e < path.getSegmentCount(); e++) {
IVariable variable = (IVariable) path.getSegment(e);
try {
expressionString.append(variable.getName());
expressionString.append("."); //$NON-NLS-1$
} catch (DebugException e1) {
DebugUIPlugin.log(e1);
}
}
expressionString.deleteCharAt(expressionString.length() - 1);
createWatchExpression(expressionString.toString());
} else {
Object element = path.getFirstSegment();
createExpression(element);
}
showExpressionsView();
}
}
return null;
Expand Down Expand Up @@ -96,9 +112,13 @@ private void createExpression(Object element) {
DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), ActionMessages.WatchAction_0, ActionMessages.WatchAction_1, e); //
return;
}
createWatchExpression(expressionString);
showExpressionsView();
}

private void createWatchExpression(String expressionString) {
IWatchExpression expression;
expression = DebugPlugin.getDefault().getExpressionManager().newWatchExpression(expressionString);
expression = DebugPlugin.getDefault().getExpressionManager().newWatchExpression(expressionString);
DebugPlugin.getDefault().getExpressionManager().addExpression(expression);
IAdaptable object = DebugUITools.getDebugContext();
IDebugElement context = null;
Expand All @@ -108,10 +128,8 @@ private void createExpression(Object element) {
context = ((ILaunch) object).getDebugTarget();
}
expression.setExpressionContext(context);
showExpressionsView();
}


/**
* Returns the factory adapter for the given variable or <code>null</code> if none.
*
Expand Down
36 changes: 24 additions & 12 deletions ...pse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionDropAdapter.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2007, 2013 IBM Corporation and others.
* Copyright (c) 2007, 2025 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
Expand All @@ -23,6 +23,7 @@
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IExpressionManager;
import org.eclipse.debug.core.ILaunch;
Expand All @@ -40,6 +41,8 @@
import org.eclipse.debug.ui.actions.IWatchExpressionFactoryAdapterExtension;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.jface.viewers.ViewerDropAdapter;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
Expand Down Expand Up @@ -373,19 +376,28 @@ private boolean performExpressionDrop(IStructuredSelection selection) {
*/
private boolean performVariableOrWatchAdaptableDrop(IStructuredSelection selection) {
List<IExpression> expressions = new ArrayList<>(selection.size());
for (Iterator<?> itr = selection.iterator(); itr.hasNext();) {
Object element = itr.next();
String expressionText = createExpressionString(element);
if (expressionText != null){
IExpression expression = createExpression(expressionText);
if (expression != null){
expressions.add(expression);
IExpression expression;
if (selection instanceof TreeSelection treeSelection) {
for (TreePath path : treeSelection.getPaths()) {
if (path.getSegmentCount() > 1) {
StringBuilder expressionString = new StringBuilder();
for (int e = 0; e < path.getSegmentCount(); e++) {
IVariable variable = (IVariable) path.getSegment(e);
try {
expressionString.append(variable.getName());
expressionString.append("."); //$NON-NLS-1$
} catch (DebugException e1) {
DebugUIPlugin.log(e1);
}
}
expressionString.deleteCharAt(expressionString.length() - 1);
expression = createExpression(expressionString.toString());
} else {
DebugUIPlugin.log(new Status(IStatus.ERROR,DebugUIPlugin.getUniqueIdentifier(),"Drop failed. Watch expression could not be created for the text " + expressionText)); //$NON-NLS-1$
return false;
Object element = path.getFirstSegment();
String expressionText = createExpressionString(element);
expression = createExpression(expressionText);
}
} else {
return false;
expressions.add(expression);
}
}
if (expressions.size() == selection.size()){
Expand Down
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