| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui; |
| |
| |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.jface.text.source.Annotation; |
| |
| /** |
| * An annotation for the vertical ruler in text editors that shows one of two |
| * images for the current instruction pointer when debugging (one for the top |
| * stack frame, one for all others). |
| */ |
| public class InstructionPointerAnnotation extends Annotation { |
| |
| /** |
| * The frame for this instruction pointer annotation. This is necessary only so that |
| * instances of this class can be distinguished by equals(). |
| */ |
| private IStackFrame fStackFrame; |
| |
| /** |
| * Construct an instruction pointer annotation for the given stack frame. |
| * |
| * @param stackFrame frame to create an instruction pointer annotation for |
| * @param isTopFrame whether the given frame is the top stack frame in its thread |
| */ |
| public InstructionPointerAnnotation(IStackFrame stackFrame, boolean isTopFrame) { |
| super(isTopFrame ? IInternalDebugUIConstants.ANN_INSTR_POINTER_CURRENT: IInternalDebugUIConstants.ANN_INSTR_POINTER_SECONDARY, |
| false, |
| isTopFrame ? DebugUIMessages.getString("InstructionPointerAnnotation.0") : DebugUIMessages.getString("InstructionPointerAnnotation.1")); //$NON-NLS-1$ //$NON-NLS-2$ |
| fStackFrame = stackFrame; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object other) { |
| if (other instanceof InstructionPointerAnnotation) { |
| return getStackFrame().equals(((InstructionPointerAnnotation)other).getStackFrame()); |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return getStackFrame().hashCode(); |
| } |
| |
| /** |
| * Returns the stack frame associated with this annotation |
| * |
| * @return the stack frame associated with this annotation |
| */ |
| private IStackFrame getStackFrame() { |
| return fStackFrame; |
| } |
| |
| } |