author | darcy |
Tue, 23 May 2017 14:34:45 -0700 | |
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parent 39495 | 80833370f1b8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.reflect.annotation; |
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import java.lang.annotation.*; |
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import java.lang.reflect.*; |
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import java.nio.ByteBuffer; |
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import java.nio.BufferUnderflowException; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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import java.util.LinkedHashMap; |
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import java.util.Map; |
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import jdk.internal.misc.SharedSecrets; |
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import jdk.internal.misc.JavaLangAccess; |
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import jdk.internal.reflect.ConstantPool; |
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import static sun.reflect.annotation.TypeAnnotation.*; |
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/** |
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* TypeAnnotationParser implements the logic needed to parse |
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* TypeAnnotations from an array of bytes. |
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*/ |
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public final class TypeAnnotationParser { |
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private static final TypeAnnotation[] EMPTY_TYPE_ANNOTATION_ARRAY = new TypeAnnotation[0]; |
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/** |
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* Build an AnnotatedType from the parameters supplied. |
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* |
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* This method and {@code buildAnnotatedTypes} are probably |
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* the entry points you are looking for. |
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* |
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* @param rawAnnotations the byte[] encoding of all type annotations on this declaration |
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* @param cp the ConstantPool needed to parse the embedded Annotation |
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* @param decl the declaration this type annotation is on |
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* @param container the Class this type annotation is on (may be the same as decl) |
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* @param type the type the AnnotatedType corresponds to |
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* @param filter the type annotation targets included in this AnnotatedType |
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*/ |
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public static AnnotatedType buildAnnotatedType(byte[] rawAnnotations, |
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ConstantPool cp, |
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AnnotatedElement decl, |
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Class<?> container, |
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Type type, |
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TypeAnnotationTarget filter) { |
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TypeAnnotation[] tas = parseTypeAnnotations(rawAnnotations, |
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cp, decl, container); |
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List<TypeAnnotation> l = new ArrayList<>(tas.length); |
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for (TypeAnnotation t : tas) { |
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TypeAnnotationTargetInfo ti = t.getTargetInfo(); |
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if (ti.getTarget() == filter) |
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l.add(t); |
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} |
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TypeAnnotation[] typeAnnotations = l.toArray(EMPTY_TYPE_ANNOTATION_ARRAY); |
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return AnnotatedTypeFactory.buildAnnotatedType(type, |
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AnnotatedTypeFactory.nestingForType(type, LocationInfo.BASE_LOCATION), |
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typeAnnotations, |
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typeAnnotations, |
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decl); |
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} |
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/** |
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* Build an array of AnnotatedTypes from the parameters supplied. |
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* |
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* This method and {@code buildAnnotatedType} are probably |
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* the entry points you are looking for. |
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* |
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* @param rawAnnotations the byte[] encoding of all type annotations on this declaration |
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* @param cp the ConstantPool needed to parse the embedded Annotation |
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* @param decl the declaration this type annotation is on |
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* @param container the Class this type annotation is on (may be the same as decl) |
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* @param types the Types the AnnotatedTypes corresponds to |
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* @param filter the type annotation targets that included in this AnnotatedType |
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*/ |
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public static AnnotatedType[] buildAnnotatedTypes(byte[] rawAnnotations, |
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ConstantPool cp, |
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AnnotatedElement decl, |
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Class<?> container, |
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Type[] types, |
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TypeAnnotationTarget filter) { |
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int size = types.length; |
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AnnotatedType[] result = new AnnotatedType[size]; |
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Arrays.fill(result, AnnotatedTypeFactory.EMPTY_ANNOTATED_TYPE); |
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@SuppressWarnings("rawtypes") |
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ArrayList[] l = new ArrayList[size]; // array of ArrayList<TypeAnnotation> |
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TypeAnnotation[] tas = parseTypeAnnotations(rawAnnotations, |
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cp, decl, container); |
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for (TypeAnnotation t : tas) { |
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TypeAnnotationTargetInfo ti = t.getTargetInfo(); |
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if (ti.getTarget() == filter) { |
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int pos = ti.getCount(); |
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if (l[pos] == null) { |
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ArrayList<TypeAnnotation> tmp = new ArrayList<>(tas.length); |
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l[pos] = tmp; |
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} |
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@SuppressWarnings("unchecked") |
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ArrayList<TypeAnnotation> tmp = l[pos]; |
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tmp.add(t); |
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} |
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} |
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// If a constructor has a mandated outer this, that parameter |
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// has no annotations and the annotations to parameter mapping |
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// should be offset by 1. |
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boolean offset = false; |
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if (decl instanceof Constructor) { |
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Constructor<?> ctor = (Constructor<?>) decl; |
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Class<?> declaringClass = ctor.getDeclaringClass(); |
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if (!declaringClass.isEnum() && |
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(declaringClass.isMemberClass() && |
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(declaringClass.getModifiers() & Modifier.STATIC) == 0) ) { |
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offset = true; |
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} |
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} |
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for (int i = 0; i < size; i++) { |
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ArrayList<TypeAnnotation> list; |
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if (offset) { |
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@SuppressWarnings("unchecked") |
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ArrayList<TypeAnnotation> tmp = (i == 0) ? null : l[i - 1]; |
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list = tmp; |
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} else { |
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@SuppressWarnings("unchecked") |
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ArrayList<TypeAnnotation> tmp = l[i]; |
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list = tmp; |
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} |
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TypeAnnotation[] typeAnnotations; |
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if (list != null) { |
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typeAnnotations = list.toArray(new TypeAnnotation[list.size()]); |
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} else { |
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typeAnnotations = EMPTY_TYPE_ANNOTATION_ARRAY; |
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} |
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result[i] = AnnotatedTypeFactory.buildAnnotatedType(types[i], |
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AnnotatedTypeFactory.nestingForType(types[i], LocationInfo.BASE_LOCATION), |
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typeAnnotations, |
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typeAnnotations, |
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decl); |
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} |
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return result; |
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} |
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|
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// Class helpers |
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|
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/** |
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* Build an AnnotatedType for the class decl's supertype. |
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* |
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* @param rawAnnotations the byte[] encoding of all type annotations on this declaration |
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* @param cp the ConstantPool needed to parse the embedded Annotation |
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* @param decl the Class which annotated supertype is being built |
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*/ |
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public static AnnotatedType buildAnnotatedSuperclass(byte[] rawAnnotations, |
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ConstantPool cp, |
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Class<?> decl) { |
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Type supertype = decl.getGenericSuperclass(); |
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if (supertype == null) |
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return AnnotatedTypeFactory.EMPTY_ANNOTATED_TYPE; |
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return buildAnnotatedType(rawAnnotations, |
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cp, |
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decl, |
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decl, |
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supertype, |
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TypeAnnotationTarget.CLASS_EXTENDS); |
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} |
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|
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/** |
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* Build an array of AnnotatedTypes for the class decl's implemented |
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* interfaces. |
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* |
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* @param rawAnnotations the byte[] encoding of all type annotations on this declaration |
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* @param cp the ConstantPool needed to parse the embedded Annotation |
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* @param decl the Class whose annotated implemented interfaces is being built |
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*/ |
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public static AnnotatedType[] buildAnnotatedInterfaces(byte[] rawAnnotations, |
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ConstantPool cp, |
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Class<?> decl) { |
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if (decl == Object.class || |
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decl.isArray() || |
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decl.isPrimitive() || |
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decl == Void.TYPE) |
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return AnnotatedTypeFactory.EMPTY_ANNOTATED_TYPE_ARRAY; |
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return buildAnnotatedTypes(rawAnnotations, |
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cp, |
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decl, |
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decl, |
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decl.getGenericInterfaces(), |
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TypeAnnotationTarget.CLASS_IMPLEMENTS); |
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} |
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|
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// TypeVariable helpers |
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|
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/** |
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* Parse regular annotations on a TypeVariable declared on genericDecl. |
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* |
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* Regular Annotations on TypeVariables are stored in the type |
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* annotation byte[] in the class file. |
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* |
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* @param genericDecl the declaration declaring the type variable |
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* @param typeVarIndex the 0-based index of this type variable in the declaration |
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*/ |
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public static <D extends GenericDeclaration> Annotation[] parseTypeVariableAnnotations(D genericDecl, |
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int typeVarIndex) { |
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AnnotatedElement decl; |
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TypeAnnotationTarget predicate; |
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if (genericDecl instanceof Class) { |
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decl = (Class<?>)genericDecl; |
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predicate = TypeAnnotationTarget.CLASS_TYPE_PARAMETER; |
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} else if (genericDecl instanceof Executable) { |
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decl = (Executable)genericDecl; |
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predicate = TypeAnnotationTarget.METHOD_TYPE_PARAMETER; |
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} else { |
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throw new AssertionError("Unknown GenericDeclaration " + genericDecl + "\nthis should not happen."); |
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} |
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List<TypeAnnotation> typeVarAnnos = TypeAnnotation.filter(parseAllTypeAnnotations(decl), |
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238 |
predicate); |
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List<Annotation> res = new ArrayList<>(typeVarAnnos.size()); |
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for (TypeAnnotation t : typeVarAnnos) |
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if (t.getTargetInfo().getCount() == typeVarIndex) |
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res.add(t.getAnnotation()); |
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return res.toArray(new Annotation[0]); |
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} |
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|
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/** |
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* Build an array of AnnotatedTypes for the declaration decl's bounds. |
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* |
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* @param bounds the bounds corresponding to the annotated bounds |
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* @param decl the declaration whose annotated bounds is being built |
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* @param typeVarIndex the index of this type variable on the decl |
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*/ |
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public static <D extends GenericDeclaration> AnnotatedType[] parseAnnotatedBounds(Type[] bounds, |
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D decl, |
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int typeVarIndex) { |
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return parseAnnotatedBounds(bounds, decl, typeVarIndex, LocationInfo.BASE_LOCATION); |
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} |
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//helper for above |
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private static <D extends GenericDeclaration> AnnotatedType[] parseAnnotatedBounds(Type[] bounds, |
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D decl, |
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int typeVarIndex, |
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LocationInfo loc) { |
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List<TypeAnnotation> candidates = fetchBounds(decl); |
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if (bounds != null) { |
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int startIndex = 0; |
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AnnotatedType[] res = new AnnotatedType[bounds.length]; |
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|
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// Adjust bounds index |
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// |
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// Figure out if the type annotations for this bound starts with 0 |
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// or 1. The spec says within a bound the 0:th type annotation will |
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// always be on an bound of a Class type (not Interface type). So |
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// if the programmer starts with an Interface type for the first |
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// (and following) bound(s) the implicit Object bound is considered |
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// the first (that is 0:th) bound and type annotations start on |
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// index 1. |
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if (bounds.length > 0) { |
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Type b0 = bounds[0]; |
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if (!(b0 instanceof Class<?>)) { |
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startIndex = 1; |
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} else { |
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Class<?> c = (Class<?>)b0; |
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if (c.isInterface()) { |
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startIndex = 1; |
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285 |
} |
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} |
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} |
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288 |
|
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for (int i = 0; i < bounds.length; i++) { |
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List<TypeAnnotation> l = new ArrayList<>(candidates.size()); |
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for (TypeAnnotation t : candidates) { |
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TypeAnnotationTargetInfo tInfo = t.getTargetInfo(); |
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if (tInfo.getSecondaryIndex() == i + startIndex && |
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tInfo.getCount() == typeVarIndex) { |
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l.add(t); |
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} |
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} |
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res[i] = AnnotatedTypeFactory.buildAnnotatedType(bounds[i], |
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AnnotatedTypeFactory.nestingForType(bounds[i], loc), |
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l.toArray(EMPTY_TYPE_ANNOTATION_ARRAY), |
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candidates.toArray(EMPTY_TYPE_ANNOTATION_ARRAY), |
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(AnnotatedElement)decl); |
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} |
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return res; |
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305 |
} |
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return new AnnotatedType[0]; |
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307 |
} |
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private static <D extends GenericDeclaration> List<TypeAnnotation> fetchBounds(D decl) { |
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AnnotatedElement boundsDecl; |
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TypeAnnotationTarget target; |
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if (decl instanceof Class) { |
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target = TypeAnnotationTarget.CLASS_TYPE_PARAMETER_BOUND; |
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boundsDecl = (Class)decl; |
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} else { |
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target = TypeAnnotationTarget.METHOD_TYPE_PARAMETER_BOUND; |
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boundsDecl = (Executable)decl; |
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317 |
} |
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return TypeAnnotation.filter(TypeAnnotationParser.parseAllTypeAnnotations(boundsDecl), target); |
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319 |
} |
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320 |
|
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321 |
/* |
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* Parse all type annotations on the declaration supplied. This is needed |
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323 |
* when you go from for example an annotated return type on a method that |
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* is a type variable declared on the class. In this case you need to |
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* 'jump' to the decl of the class and parse all type annotations there to |
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* find the ones that are applicable to the type variable. |
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327 |
*/ |
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static TypeAnnotation[] parseAllTypeAnnotations(AnnotatedElement decl) { |
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Class<?> container; |
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byte[] rawBytes; |
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JavaLangAccess javaLangAccess = SharedSecrets.getJavaLangAccess(); |
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if (decl instanceof Class) { |
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container = (Class<?>)decl; |
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rawBytes = javaLangAccess.getRawClassTypeAnnotations(container); |
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} else if (decl instanceof Executable) { |
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container = ((Executable)decl).getDeclaringClass(); |
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rawBytes = javaLangAccess.getRawExecutableTypeAnnotations((Executable)decl); |
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338 |
} else { |
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339 |
// Should not reach here. Assert? |
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340 |
return EMPTY_TYPE_ANNOTATION_ARRAY; |
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341 |
} |
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342 |
return parseTypeAnnotations(rawBytes, javaLangAccess.getConstantPool(container), |
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|
343 |
decl, container); |
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344 |
} |
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345 |
|
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346 |
/* Parse type annotations encoded as an array of bytes */ |
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347 |
private static TypeAnnotation[] parseTypeAnnotations(byte[] rawAnnotations, |
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|
348 |
ConstantPool cp, |
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349 |
AnnotatedElement baseDecl, |
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|
350 |
Class<?> container) { |
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|
351 |
if (rawAnnotations == null) |
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352 |
return EMPTY_TYPE_ANNOTATION_ARRAY; |
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353 |
|
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354 |
ByteBuffer buf = ByteBuffer.wrap(rawAnnotations); |
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|
355 |
int annotationCount = buf.getShort() & 0xFFFF; |
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|
356 |
List<TypeAnnotation> typeAnnotations = new ArrayList<>(annotationCount); |
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|
357 |
|
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|
358 |
// Parse each TypeAnnotation |
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|
359 |
for (int i = 0; i < annotationCount; i++) { |
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|
360 |
TypeAnnotation ta = parseTypeAnnotation(buf, cp, baseDecl, container); |
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|
361 |
if (ta != null) |
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362 |
typeAnnotations.add(ta); |
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|
363 |
} |
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|
364 |
|
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|
365 |
return typeAnnotations.toArray(EMPTY_TYPE_ANNOTATION_ARRAY); |
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|
366 |
} |
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|
367 |
|
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|
368 |
|
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|
369 |
// Helper |
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370 |
static Map<Class<? extends Annotation>, Annotation> mapTypeAnnotations(TypeAnnotation[] typeAnnos) { |
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|
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Map<Class<? extends Annotation>, Annotation> result = |
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|
372 |
new LinkedHashMap<>(); |
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373 |
for (TypeAnnotation t : typeAnnos) { |
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374 |
Annotation a = t.getAnnotation(); |
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|
375 |
if (a != null) { |
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|
376 |
Class<? extends Annotation> klass = a.annotationType(); |
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AnnotationType type = AnnotationType.getInstance(klass); |
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|
378 |
if (type.retention() == RetentionPolicy.RUNTIME && |
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|
379 |
result.put(klass, a) != null) { |
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380 |
throw new AnnotationFormatError("Duplicate annotation for class: "+klass+": " + a); |
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381 |
} |
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382 |
} |
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383 |
} |
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|
384 |
return result; |
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|
385 |
} |
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|
386 |
|
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|
387 |
// Position codes |
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|
388 |
// Regular type parameter annotations |
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|
389 |
private static final byte CLASS_TYPE_PARAMETER = 0x00; |
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390 |
private static final byte METHOD_TYPE_PARAMETER = 0x01; |
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391 |
// Type Annotations outside method bodies |
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392 |
private static final byte CLASS_EXTENDS = 0x10; |
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|
393 |
private static final byte CLASS_TYPE_PARAMETER_BOUND = 0x11; |
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|
394 |
private static final byte METHOD_TYPE_PARAMETER_BOUND = 0x12; |
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|
395 |
private static final byte FIELD = 0x13; |
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|
396 |
private static final byte METHOD_RETURN = 0x14; |
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|
397 |
private static final byte METHOD_RECEIVER = 0x15; |
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changeset
|
398 |
private static final byte METHOD_FORMAL_PARAMETER = 0x16; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
399 |
private static final byte THROWS = 0x17; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
400 |
// Type Annotations inside method bodies |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
401 |
private static final byte LOCAL_VARIABLE = (byte)0x40; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
402 |
private static final byte RESOURCE_VARIABLE = (byte)0x41; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
403 |
private static final byte EXCEPTION_PARAMETER = (byte)0x42; |
17450
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changeset
|
404 |
private static final byte INSTANCEOF = (byte)0x43; |
0f704861915e
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changeset
|
405 |
private static final byte NEW = (byte)0x44; |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
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changeset
|
406 |
private static final byte CONSTRUCTOR_REFERENCE = (byte)0x45; |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
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parents:
15510
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changeset
|
407 |
private static final byte METHOD_REFERENCE = (byte)0x46; |
0f704861915e
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parents:
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changeset
|
408 |
private static final byte CAST = (byte)0x47; |
0f704861915e
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jfranck
parents:
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changeset
|
409 |
private static final byte CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT = (byte)0x48; |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
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changeset
|
410 |
private static final byte METHOD_INVOCATION_TYPE_ARGUMENT = (byte)0x49; |
0f704861915e
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jfranck
parents:
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diff
changeset
|
411 |
private static final byte CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT = (byte)0x4A; |
0f704861915e
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parents:
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diff
changeset
|
412 |
private static final byte METHOD_REFERENCE_TYPE_ARGUMENT = (byte)0x4B; |
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jfranck
parents:
diff
changeset
|
413 |
|
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
414 |
private static TypeAnnotation parseTypeAnnotation(ByteBuffer buf, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
415 |
ConstantPool cp, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
416 |
AnnotatedElement baseDecl, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
417 |
Class<?> container) { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
418 |
try { |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
419 |
TypeAnnotationTargetInfo ti = parseTargetInfo(buf); |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
420 |
LocationInfo locationInfo = LocationInfo.parseLocationInfo(buf); |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
421 |
Annotation a = AnnotationParser.parseAnnotation(buf, cp, container, false); |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
422 |
if (ti == null) // Inside a method for example |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
423 |
return null; |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
424 |
return new TypeAnnotation(ti, locationInfo, a, baseDecl); |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
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parents:
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diff
changeset
|
425 |
} catch (IllegalArgumentException | // Bad type in const pool at specified index |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
426 |
BufferUnderflowException e) { |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
427 |
throw new AnnotationFormatError(e); |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
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diff
changeset
|
428 |
} |
15510
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8004698: Implement Core Reflection for Type Annotations
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parents:
diff
changeset
|
429 |
} |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
430 |
|
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
431 |
private static TypeAnnotationTargetInfo parseTargetInfo(ByteBuffer buf) { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
432 |
int posCode = buf.get() & 0xFF; |
15510
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8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
433 |
switch(posCode) { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
434 |
case CLASS_TYPE_PARAMETER: |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
435 |
case METHOD_TYPE_PARAMETER: { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
436 |
int index = buf.get() & 0xFF; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
437 |
TypeAnnotationTargetInfo res; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
438 |
if (posCode == CLASS_TYPE_PARAMETER) |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
439 |
res = new TypeAnnotationTargetInfo(TypeAnnotationTarget.CLASS_TYPE_PARAMETER, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
440 |
index); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
441 |
else |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
442 |
res = new TypeAnnotationTargetInfo(TypeAnnotationTarget.METHOD_TYPE_PARAMETER, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
443 |
index); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
444 |
return res; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
445 |
} // unreachable break; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
446 |
case CLASS_EXTENDS: { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
447 |
short index = buf.getShort(); //needs to be signed |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
448 |
if (index == -1) { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
449 |
return new TypeAnnotationTargetInfo(TypeAnnotationTarget.CLASS_EXTENDS); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
450 |
} else if (index >= 0) { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
451 |
TypeAnnotationTargetInfo res = new TypeAnnotationTargetInfo(TypeAnnotationTarget.CLASS_IMPLEMENTS, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
452 |
index); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
453 |
return res; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
454 |
}} break; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
455 |
case CLASS_TYPE_PARAMETER_BOUND: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
456 |
return parse2ByteTarget(TypeAnnotationTarget.CLASS_TYPE_PARAMETER_BOUND, buf); |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
457 |
case METHOD_TYPE_PARAMETER_BOUND: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
458 |
return parse2ByteTarget(TypeAnnotationTarget.METHOD_TYPE_PARAMETER_BOUND, buf); |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
459 |
case FIELD: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
460 |
return new TypeAnnotationTargetInfo(TypeAnnotationTarget.FIELD); |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
461 |
case METHOD_RETURN: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
462 |
return new TypeAnnotationTargetInfo(TypeAnnotationTarget.METHOD_RETURN); |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
463 |
case METHOD_RECEIVER: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
464 |
return new TypeAnnotationTargetInfo(TypeAnnotationTarget.METHOD_RECEIVER); |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
465 |
case METHOD_FORMAL_PARAMETER: { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
466 |
int index = buf.get() & 0xFF; |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
467 |
return new TypeAnnotationTargetInfo(TypeAnnotationTarget.METHOD_FORMAL_PARAMETER, |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
468 |
index); |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
469 |
} //unreachable break; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
470 |
case THROWS: |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
471 |
return parseShortTarget(TypeAnnotationTarget.THROWS, buf); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
472 |
|
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
473 |
/* |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
474 |
* The ones below are inside method bodies, we don't care about them for core reflection |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
475 |
* other than adjusting for them in the byte stream. |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
476 |
*/ |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
477 |
case LOCAL_VARIABLE: |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
478 |
case RESOURCE_VARIABLE: |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
479 |
short length = buf.getShort(); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
480 |
for (int i = 0; i < length; ++i) { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
481 |
short offset = buf.getShort(); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
482 |
short varLength = buf.getShort(); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
483 |
short index = buf.getShort(); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
484 |
} |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
485 |
return null; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
486 |
case EXCEPTION_PARAMETER: { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
487 |
byte index = buf.get(); |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
488 |
} |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
489 |
return null; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
490 |
case INSTANCEOF: |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
491 |
case NEW: |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
492 |
case CONSTRUCTOR_REFERENCE: |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
493 |
case METHOD_REFERENCE: { |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
494 |
short offset = buf.getShort(); |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
495 |
} |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
496 |
return null; |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
497 |
case CAST: |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
498 |
case CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT: |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
499 |
case METHOD_INVOCATION_TYPE_ARGUMENT: |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
500 |
case CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT: |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
501 |
case METHOD_REFERENCE_TYPE_ARGUMENT: { |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
502 |
short offset = buf.getShort(); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
503 |
byte index = buf.get(); |
17450
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
504 |
} |
0f704861915e
8007073: Implement Core Reflection for Type Annotations on parameters
jfranck
parents:
15510
diff
changeset
|
505 |
return null; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
506 |
|
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
507 |
default: |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
508 |
// will throw error below |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
509 |
break; |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
510 |
} |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
511 |
throw new AnnotationFormatError("Could not parse bytes for type annotations"); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
512 |
} |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
513 |
|
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
514 |
private static TypeAnnotationTargetInfo parseShortTarget(TypeAnnotationTarget target, ByteBuffer buf) { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
515 |
int index = buf.getShort() & 0xFFFF; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
516 |
return new TypeAnnotationTargetInfo(target, index); |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
517 |
} |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
518 |
private static TypeAnnotationTargetInfo parse2ByteTarget(TypeAnnotationTarget target, ByteBuffer buf) { |
21845
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
519 |
int count = buf.get() & 0xFF; |
35695321f5a5
8023278: Reflection API methods do not throw AnnotationFormatError in case of malformed Runtime[In]VisibleTypeAnnotations attribute
jfranck
parents:
21622
diff
changeset
|
520 |
int secondaryIndex = buf.get() & 0xFF; |
15510
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
521 |
return new TypeAnnotationTargetInfo(target, |
898d924a7efd
8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
522 |
count, |
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8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
523 |
secondaryIndex); |
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8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
524 |
} |
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8004698: Implement Core Reflection for Type Annotations
jfranck
parents:
diff
changeset
|
525 |
} |