| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.core.model; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.jdt.debug.core.IJavaVariable; |
| |
| import com.ibm.icu.text.MessageFormat; |
| import com.sun.jdi.ObjectReference; |
| import com.sun.jdi.ReferenceType; |
| import com.sun.jdi.Type; |
| import com.sun.jdi.Value; |
| |
| /** |
| * Represents the receiver in a stack frame. |
| */ |
| |
| public class JDIThisVariable extends JDIVariable { |
| /** |
| * The wrapped object |
| */ |
| private ObjectReference fObject; |
| |
| /** |
| * Constructs a variable representing 'this' in a stack frame. |
| */ |
| public JDIThisVariable(JDIDebugTarget target, ObjectReference object) { |
| super(target); |
| fObject = object; |
| } |
| |
| /** |
| * Returns this variable's current Value. |
| */ |
| @Override |
| protected Value retrieveValue() { |
| return fObject; |
| } |
| |
| /** |
| * @see IVariable#getName() |
| */ |
| @Override |
| public String getName() { |
| return "this"; //$NON-NLS-1$ |
| } |
| |
| /** |
| * @see IJavaVariable#getSignature() |
| */ |
| @Override |
| public String getSignature() throws DebugException { |
| try { |
| return retrieveValue().type().signature(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIThisVariableexception_retrieving_type_signature, |
| e.toString()), e); |
| // execution will not reach this line, as |
| // #targetRequestFailed will thrown an exception |
| return null; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaVariable#getGenericSignature() |
| */ |
| @Override |
| public String getGenericSignature() throws DebugException { |
| return getSignature(); |
| } |
| |
| /** |
| * @see IVariable#getReferenceTypeName() |
| */ |
| @Override |
| public String getReferenceTypeName() throws DebugException { |
| try { |
| return getValue().getReferenceTypeName(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIThisVariableexception_retrieving_reference_type_name, |
| e.toString()), e); |
| // execution will not reach this line, as |
| // #targetRequestFailed will thrown an exception |
| return null; |
| } |
| } |
| |
| /** |
| * @see JDIVariable#getUnderlyingType() |
| */ |
| @Override |
| protected Type getUnderlyingType() throws DebugException { |
| try { |
| return retrieveValue().type(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIThisVariable_exception_while_retrieving_type_this, |
| e.toString()), e); |
| } |
| // this line will not be executed as an exception |
| // will be throw in type retrieval fails |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.jdt.debug.core.IJavaModifiers#isPrivate() |
| */ |
| @Override |
| public boolean isPrivate() throws DebugException { |
| try { |
| return ((ReferenceType) getUnderlyingType()).isPrivate(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| JDIDebugModelMessages.JDIThisVariable_Exception_occurred_while_retrieving_modifiers__1, |
| e); |
| } |
| // this line will not be executed as an exception |
| // will be throw |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.jdt.debug.core.IJavaModifiers#isProtected() |
| */ |
| @Override |
| public boolean isProtected() throws DebugException { |
| try { |
| return ((ReferenceType) getUnderlyingType()).isProtected(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| JDIDebugModelMessages.JDIThisVariable_Exception_occurred_while_retrieving_modifiers__1, |
| e); |
| } |
| // this line will not be executed as an exception |
| // will be throw |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.jdt.debug.core.IJavaModifiers#isPublic() |
| */ |
| @Override |
| public boolean isPublic() throws DebugException { |
| try { |
| return ((ReferenceType) getUnderlyingType()).isPublic(); |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| JDIDebugModelMessages.JDIThisVariable_Exception_occurred_while_retrieving_modifiers__1, |
| e); |
| } |
| // this line will not be executed as an exception |
| // will be throw |
| return false; |
| } |
| |
| /** |
| * @see java.lang.Object#equals(Object) |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (o instanceof JDIThisVariable) { |
| return ((JDIThisVariable) o).fObject.equals(fObject); |
| } |
| return false; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| return fObject.hashCode(); |
| } |
| |
| } |