| /******************************************************************************* |
| * Copyright (c) 2000, 2020 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.actions; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.debug.core.model.ISuspendResume; |
| import org.eclipse.debug.ui.actions.IRunToLineTarget; |
| import org.eclipse.debug.ui.actions.RunToLineHandler; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTParser; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.debug.core.IJavaDebugTarget; |
| import org.eclipse.jdt.debug.core.JDIDebugModel; |
| import org.eclipse.jdt.debug.ui.IJavaDebugUIConstants; |
| import org.eclipse.jdt.internal.debug.core.breakpoints.ValidBreakpointLocationLocator; |
| import org.eclipse.jdt.internal.debug.ui.BreakpointUtils; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| /** |
| * Run to line target for the Java debugger |
| */ |
| public class RunToLineAdapter implements IRunToLineTarget { |
| |
| @Override |
| public void runToLine(IWorkbenchPart part, ISelection selection, ISuspendResume target) throws CoreException { |
| ITextEditor textEditor = getTextEditor(part); |
| String errorMessage = null; |
| if (textEditor == null) { |
| errorMessage = "Missing document"; //$NON-NLS-1$ |
| } else { |
| IEditorInput input = textEditor.getEditorInput(); |
| if (input == null) { |
| errorMessage = "Empty editor"; //$NON-NLS-1$ |
| } else { |
| final IDocument document= textEditor.getDocumentProvider().getDocument(input); |
| if (document == null) { |
| errorMessage = "Missing document"; //$NON-NLS-1$ |
| } else { |
| final int[] validLine = new int[1]; |
| final String[] typeName = new String[1]; |
| final int[] lineNumber = new int[1]; |
| final ITextSelection textSelection = (ITextSelection) selection; |
| Runnable r = new Runnable() { |
| @Override |
| public void run() { |
| lineNumber[0] = textSelection.getStartLine() + 1; |
| ASTParser parser = ASTParser.newParser(AST.JLS15); |
| parser.setSource(document.get().toCharArray()); |
| Map<String, String> options = JavaCore.getOptions(); |
| options.put(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED); |
| options.put(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, JavaCore.IGNORE); |
| options.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.latestSupportedJavaVersion()); |
| options.put(JavaCore.COMPILER_SOURCE, JavaCore.latestSupportedJavaVersion()); |
| parser.setCompilerOptions(options); |
| CompilationUnit compilationUnit= (CompilationUnit)parser.createAST(null); |
| ValidBreakpointLocationLocator locator= new ValidBreakpointLocationLocator(compilationUnit, lineNumber[0], false, false); |
| compilationUnit.accept(locator); |
| validLine[0] = locator.getLineLocation(); |
| typeName[0]= locator.getFullyQualifiedTypeName(); |
| } |
| }; |
| BusyIndicator.showWhile(JDIDebugUIPlugin.getStandardDisplay(), r); |
| if (validLine[0] == lineNumber[0]) { |
| if (typeName[0] == null) { |
| throw new CoreException(new Status(IStatus.ERROR, JDIDebugUIPlugin.getUniqueIdentifier(), IJavaDebugUIConstants.INTERNAL_ERROR, "Invalid Type Name", null)); //$NON-NLS-1$ |
| } |
| IBreakpoint breakpoint= null; |
| Map<String, Object> attributes = new HashMap<>(4); |
| BreakpointUtils.addRunToLineAttributes(attributes); |
| breakpoint= JDIDebugModel.createLineBreakpoint(ResourcesPlugin.getWorkspace().getRoot(), typeName[0], lineNumber[0], -1, -1, 1, false, attributes); |
| errorMessage = "Unable to locate debug target"; //$NON-NLS-1$ |
| if (target instanceof IAdaptable) { |
| IDebugTarget debugTarget = ((IAdaptable) target).getAdapter(IDebugTarget.class); |
| if (debugTarget != null) { |
| RunToLineHandler handler = new RunToLineHandler(debugTarget, target, breakpoint); |
| handler.run(new NullProgressMonitor()); |
| return; |
| } |
| } |
| } else { |
| // invalid line |
| if (textSelection.getLength() > 0) { |
| errorMessage = "Selected line is not a valid location to run to"; //$NON-NLS-1$ |
| } else { |
| errorMessage = "Cursor position is not a valid location to run to"; //$NON-NLS-1$ |
| } |
| |
| } |
| } |
| } |
| } |
| throw new CoreException(new Status(IStatus.ERROR, JDIDebugUIPlugin.getUniqueIdentifier(), IJavaDebugUIConstants.INTERNAL_ERROR, |
| errorMessage, null)); |
| } |
| |
| @Override |
| public boolean canRunToLine(IWorkbenchPart part, ISelection selection, ISuspendResume target) { |
| if (target instanceof IDebugElement && target.canResume()) { |
| IDebugElement element = (IDebugElement) target; |
| IJavaDebugTarget adapter = element.getDebugTarget().getAdapter(IJavaDebugTarget.class); |
| return adapter != null; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the text editor associated with the given part or <code>null</code> |
| * if none. In case of a multi-page editor, this method should be used to retrieve |
| * the correct editor to perform the operation on. |
| * |
| * @param part workbench part |
| * @return text editor part or <code>null</code> |
| */ |
| protected ITextEditor getTextEditor(IWorkbenchPart part) { |
| if (part instanceof ITextEditor) { |
| return (ITextEditor) part; |
| } |
| return part.getAdapter(ITextEditor.class); |
| } |
| } |