| /******************************************************************************* |
| * Copyright (c) 2012, 2013 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 |
| * Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for |
| * Bug 383624 - [1.8][compiler] Revive code generation support for type annotations (from Olivier's work) |
| * Bug 409250 - [1.8][compiler] Various loose ends in 308 code generation |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.util; |
| |
| /** |
| * Description of an extended annotation structure as described in the JVM specifications |
| * (added in JavaSE-1.8). |
| * |
| * This interface may be implemented by clients. |
| * |
| * @since 3.10 |
| */ |
| public interface IExtendedAnnotation extends IAnnotation { |
| /** |
| * Answer back the target type as described in the JVM specifications. |
| * |
| * @return the target type |
| */ |
| int getTargetType(); |
| |
| /** |
| * Answer back the offset. |
| * |
| * For a target_type value equals to: |
| * <table border="1"> |
| * <tr> |
| * <th>target_type</th> |
| * <th>offset description</th> |
| * </tr> |
| * <tr> |
| * <td>0x43 (INSTANCE_OF), 0x44 (NEW), 0x45 (CONSTRUCTOR_REFERENCE), 0x46 (METHOD_REFERENCE)</td> |
| * <td>The offset within the bytecodes of the <code>instanceof</code> bytecode for INSTANCE_OF, |
| * the <code>new</code> bytecode for NEW and the implementing instruction for either a |
| * CONSTRUCTOR_REFERENCE or METHOD_REFERENCE.</td> |
| * </tr> |
| * <tr> |
| * <td>0x47 (CAST), 0x48 (CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT), 0x49 (METHOD_INVOCATION_TYPE_ARGUMENT), |
| * 0x4A (CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT), 0x4B (METHOD_REFERENCE_TYPE_ARGUMENT)</td> |
| * <td>The offset within the bytecodes of the <code>new</code> bytecode for constructor call, or the |
| * relevant bytecode for method invocation or method reference. For CAST the offset may |
| * point to the <code>checkcast</code> or another instruction as it is possible the cast |
| * may have been discarded by the compiler if it were a no-op.</td> |
| * </tr> |
| * </table> |
| * |
| * |
| * @return the offset |
| */ |
| int getOffset(); |
| |
| /** |
| * Answer back the exception table index when the target_type is EXCEPTION_PARAMETER. |
| * |
| * @return the exception table index |
| */ |
| int getExceptionTableIndex(); |
| |
| /** |
| * Answer back the local variable reference info table length of this entry as specified in |
| * the JVM specifications. |
| * |
| * <p>This is defined only for annotations related to a local variable.</p> |
| * |
| * @return the local variable reference info table length of this entry as specified in |
| * the JVM specifications |
| */ |
| int getLocalVariableRefenceInfoLength(); |
| |
| /** |
| * Answer back the local variable reference info table of this entry as specified in |
| * the JVM specifications. Answer an empty array if none. |
| * |
| * <p>This is defined only for annotations related to a local variable.</p> |
| * |
| * @return the local variable reference info table of this entry as specified in |
| * the JVM specifications. Answer an empty array if none |
| */ |
| ILocalVariableReferenceInfo[] getLocalVariableTable(); |
| |
| /** |
| * Answer back the method parameter index. |
| * |
| * <p>The index is 0-based.</p> |
| * |
| * @return the method parameter index |
| */ |
| int getParameterIndex(); |
| |
| /** |
| * Answer back the index of the type parameter of the class or method |
| * |
| * <p>The index is 0-based.</p> |
| * |
| * @return the index of the type parameter of the class or method |
| */ |
| int getTypeParameterIndex(); |
| |
| /** |
| * Answer back the index of the bound of the type parameter of the method or class |
| * |
| * <p>The index is 0-based.</p> |
| * |
| * @return the index of the bound of the type parameter of the method or class |
| */ |
| int getTypeParameterBoundIndex(); |
| |
| /** |
| * Answer back the index in the given different situations. |
| * |
| * <p>The index is 0-based.</p> |
| * |
| * <table border="1"> |
| * <tr> |
| * <th>target_type</th> |
| * <th>offset description</th> |
| * </tr> |
| * <tr> |
| * <td>0x10 (CLASS_EXTENDS)</td> |
| * <td>the index of the type in the clause: <code>-1 (65535)</code> is used if the annotation is on |
| * the superclass type, and the value <code>i</code> is used if the annotation is on the <code>i</code>th |
| * superinterface type (counting from zero).</td> |
| * </tr> |
| * <tr> |
| * <td>0x17 (THROWS)</td> |
| * <td>the index of the exception type in the clause: the value <code>i</code> denotes an annotation of the |
| * <code>i</code>th exception type (counting from zero).</td> |
| * </tr> |
| * <tr> |
| * <td>0x47 (CAST), 0x48 (CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT), 0x49 (METHOD_INVOCATION_TYPE_ARGUMENT), |
| * 0x4A (CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT), 0x4B (METHOD_REFERENCE_TYPE_ARGUMENT)</td> |
| * <td>the type argument index in the expression</td> |
| * </tr> |
| * </table> |
| * @return the index in the given different situations |
| */ |
| int getAnnotationTypeIndex(); |
| |
| /** |
| * Answer back the locations of the annotated type as described in the JVM specifications. |
| * |
| * <p>This is used for parameterized and array types.</p> |
| * |
| * @return the locations of the annotated type |
| */ |
| int[][] getTypePath(); |
| |
| } |