| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * This file is available under and governed by the GNU General Public |
| * License version 2 only, as published by the Free Software Foundation. |
| * However, the following notice accompanied the original version of this |
| * file: |
| * |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package jdk.internal.org.objectweb.asm.tree; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import jdk.internal.org.objectweb.asm.AnnotationVisitor; |
| import jdk.internal.org.objectweb.asm.Attribute; |
| import jdk.internal.org.objectweb.asm.ClassVisitor; |
| import jdk.internal.org.objectweb.asm.FieldVisitor; |
| import jdk.internal.org.objectweb.asm.MethodVisitor; |
| import jdk.internal.org.objectweb.asm.Opcodes; |
| import jdk.internal.org.objectweb.asm.TypePath; |
| |
| /** |
| * A node that represents a class. |
| * |
| * @author Eric Bruneton |
| */ |
| public class ClassNode extends ClassVisitor { |
| |
| /** |
| * The class version. |
| */ |
| public int version; |
| |
| /** |
| * The class's access flags (see {@link jdk.internal.org.objectweb.asm.Opcodes}). This |
| * field also indicates if the class is deprecated. |
| */ |
| public int access; |
| |
| /** |
| * The internal name of the class (see |
| * {@link jdk.internal.org.objectweb.asm.Type#getInternalName() getInternalName}). |
| */ |
| public String name; |
| |
| /** |
| * The signature of the class. May be <tt>null</tt>. |
| */ |
| public String signature; |
| |
| /** |
| * The internal of name of the super class (see |
| * {@link jdk.internal.org.objectweb.asm.Type#getInternalName() getInternalName}). For |
| * interfaces, the super class is {@link Object}. May be <tt>null</tt>, but |
| * only for the {@link Object} class. |
| */ |
| public String superName; |
| |
| /** |
| * The internal names of the class's interfaces (see |
| * {@link jdk.internal.org.objectweb.asm.Type#getInternalName() getInternalName}). This |
| * list is a list of {@link String} objects. |
| */ |
| public List<String> interfaces; |
| |
| /** |
| * The name of the source file from which this class was compiled. May be |
| * <tt>null</tt>. |
| */ |
| public String sourceFile; |
| |
| /** |
| * Debug information to compute the correspondence between source and |
| * compiled elements of the class. May be <tt>null</tt>. |
| */ |
| public String sourceDebug; |
| |
| /** |
| * The internal name of the enclosing class of the class. May be |
| * <tt>null</tt>. |
| */ |
| public String outerClass; |
| |
| /** |
| * The name of the method that contains the class, or <tt>null</tt> if the |
| * class is not enclosed in a method. |
| */ |
| public String outerMethod; |
| |
| /** |
| * The descriptor of the method that contains the class, or <tt>null</tt> if |
| * the class is not enclosed in a method. |
| */ |
| public String outerMethodDesc; |
| |
| /** |
| * The runtime visible annotations of this class. This list is a list of |
| * {@link AnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.AnnotationNode |
| * @label visible |
| */ |
| public List<AnnotationNode> visibleAnnotations; |
| |
| /** |
| * The runtime invisible annotations of this class. This list is a list of |
| * {@link AnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.AnnotationNode |
| * @label invisible |
| */ |
| public List<AnnotationNode> invisibleAnnotations; |
| |
| /** |
| * The runtime visible type annotations of this class. This list is a list |
| * of {@link TypeAnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.TypeAnnotationNode |
| * @label visible |
| */ |
| public List<TypeAnnotationNode> visibleTypeAnnotations; |
| |
| /** |
| * The runtime invisible type annotations of this class. This list is a list |
| * of {@link TypeAnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.TypeAnnotationNode |
| * @label invisible |
| */ |
| public List<TypeAnnotationNode> invisibleTypeAnnotations; |
| |
| /** |
| * The non standard attributes of this class. This list is a list of |
| * {@link Attribute} objects. May be <tt>null</tt>. |
| * |
| * @associates jdk.internal.org.objectweb.asm.Attribute |
| */ |
| public List<Attribute> attrs; |
| |
| /** |
| * Informations about the inner classes of this class. This list is a list |
| * of {@link InnerClassNode} objects. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.InnerClassNode |
| */ |
| public List<InnerClassNode> innerClasses; |
| |
| /** |
| * The fields of this class. This list is a list of {@link FieldNode} |
| * objects. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.FieldNode |
| */ |
| public List<FieldNode> fields; |
| |
| /** |
| * The methods of this class. This list is a list of {@link MethodNode} |
| * objects. |
| * |
| * @associates jdk.internal.org.objectweb.asm.tree.MethodNode |
| */ |
| public List<MethodNode> methods; |
| |
| /** |
| * Constructs a new {@link ClassNode}. <i>Subclasses must not use this |
| * constructor</i>. Instead, they must use the {@link #ClassNode(int)} |
| * version. |
| * |
| * @throws IllegalStateException |
| * If a subclass calls this constructor. |
| */ |
| public ClassNode() { |
| this(Opcodes.ASM5); |
| if (getClass() != ClassNode.class) { |
| throw new IllegalStateException(); |
| } |
| } |
| |
| /** |
| * Constructs a new {@link ClassNode}. |
| * |
| * @param api |
| * the ASM API version implemented by this visitor. Must be one |
| * of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}. |
| */ |
| public ClassNode(final int api) { |
| super(api); |
| this.interfaces = new ArrayList<String>(); |
| this.innerClasses = new ArrayList<InnerClassNode>(); |
| this.fields = new ArrayList<FieldNode>(); |
| this.methods = new ArrayList<MethodNode>(); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Implementation of the ClassVisitor abstract class |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public void visit(final int version, final int access, final String name, |
| final String signature, final String superName, |
| final String[] interfaces) { |
| this.version = version; |
| this.access = access; |
| this.name = name; |
| this.signature = signature; |
| this.superName = superName; |
| if (interfaces != null) { |
| this.interfaces.addAll(Arrays.asList(interfaces)); |
| } |
| } |
| |
| @Override |
| public void visitSource(final String file, final String debug) { |
| sourceFile = file; |
| sourceDebug = debug; |
| } |
| |
| @Override |
| public void visitOuterClass(final String owner, final String name, |
| final String desc) { |
| outerClass = owner; |
| outerMethod = name; |
| outerMethodDesc = desc; |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(final String desc, |
| final boolean visible) { |
| AnnotationNode an = new AnnotationNode(desc); |
| if (visible) { |
| if (visibleAnnotations == null) { |
| visibleAnnotations = new ArrayList<AnnotationNode>(1); |
| } |
| visibleAnnotations.add(an); |
| } else { |
| if (invisibleAnnotations == null) { |
| invisibleAnnotations = new ArrayList<AnnotationNode>(1); |
| } |
| invisibleAnnotations.add(an); |
| } |
| return an; |
| } |
| |
| @Override |
| public AnnotationVisitor visitTypeAnnotation(int typeRef, |
| TypePath typePath, String desc, boolean visible) { |
| TypeAnnotationNode an = new TypeAnnotationNode(typeRef, typePath, desc); |
| if (visible) { |
| if (visibleTypeAnnotations == null) { |
| visibleTypeAnnotations = new ArrayList<TypeAnnotationNode>(1); |
| } |
| visibleTypeAnnotations.add(an); |
| } else { |
| if (invisibleTypeAnnotations == null) { |
| invisibleTypeAnnotations = new ArrayList<TypeAnnotationNode>(1); |
| } |
| invisibleTypeAnnotations.add(an); |
| } |
| return an; |
| } |
| |
| @Override |
| public void visitAttribute(final Attribute attr) { |
| if (attrs == null) { |
| attrs = new ArrayList<Attribute>(1); |
| } |
| attrs.add(attr); |
| } |
| |
| @Override |
| public void visitInnerClass(final String name, final String outerName, |
| final String innerName, final int access) { |
| InnerClassNode icn = new InnerClassNode(name, outerName, innerName, |
| access); |
| innerClasses.add(icn); |
| } |
| |
| @Override |
| public FieldVisitor visitField(final int access, final String name, |
| final String desc, final String signature, final Object value) { |
| FieldNode fn = new FieldNode(access, name, desc, signature, value); |
| fields.add(fn); |
| return fn; |
| } |
| |
| @Override |
| public MethodVisitor visitMethod(final int access, final String name, |
| final String desc, final String signature, final String[] exceptions) { |
| MethodNode mn = new MethodNode(access, name, desc, signature, |
| exceptions); |
| methods.add(mn); |
| return mn; |
| } |
| |
| @Override |
| public void visitEnd() { |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Accept method |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Checks that this class node is compatible with the given ASM API version. |
| * This methods checks that this node, and all its nodes recursively, do not |
| * contain elements that were introduced in more recent versions of the ASM |
| * API than the given version. |
| * |
| * @param api |
| * an ASM API version. Must be one of {@link Opcodes#ASM4} or |
| * {@link Opcodes#ASM5}. |
| */ |
| public void check(final int api) { |
| if (api == Opcodes.ASM4) { |
| if (visibleTypeAnnotations != null |
| && visibleTypeAnnotations.size() > 0) { |
| throw new RuntimeException(); |
| } |
| if (invisibleTypeAnnotations != null |
| && invisibleTypeAnnotations.size() > 0) { |
| throw new RuntimeException(); |
| } |
| for (FieldNode f : fields) { |
| f.check(api); |
| } |
| for (MethodNode m : methods) { |
| m.check(api); |
| } |
| } |
| } |
| |
| /** |
| * Makes the given class visitor visit this class. |
| * |
| * @param cv |
| * a class visitor. |
| */ |
| public void accept(final ClassVisitor cv) { |
| // visits header |
| String[] interfaces = new String[this.interfaces.size()]; |
| this.interfaces.toArray(interfaces); |
| cv.visit(version, access, name, signature, superName, interfaces); |
| // visits source |
| if (sourceFile != null || sourceDebug != null) { |
| cv.visitSource(sourceFile, sourceDebug); |
| } |
| // visits outer class |
| if (outerClass != null) { |
| cv.visitOuterClass(outerClass, outerMethod, outerMethodDesc); |
| } |
| // visits attributes |
| int i, n; |
| n = visibleAnnotations == null ? 0 : visibleAnnotations.size(); |
| for (i = 0; i < n; ++i) { |
| AnnotationNode an = visibleAnnotations.get(i); |
| an.accept(cv.visitAnnotation(an.desc, true)); |
| } |
| n = invisibleAnnotations == null ? 0 : invisibleAnnotations.size(); |
| for (i = 0; i < n; ++i) { |
| AnnotationNode an = invisibleAnnotations.get(i); |
| an.accept(cv.visitAnnotation(an.desc, false)); |
| } |
| n = visibleTypeAnnotations == null ? 0 : visibleTypeAnnotations.size(); |
| for (i = 0; i < n; ++i) { |
| TypeAnnotationNode an = visibleTypeAnnotations.get(i); |
| an.accept(cv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, |
| true)); |
| } |
| n = invisibleTypeAnnotations == null ? 0 : invisibleTypeAnnotations |
| .size(); |
| for (i = 0; i < n; ++i) { |
| TypeAnnotationNode an = invisibleTypeAnnotations.get(i); |
| an.accept(cv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, |
| false)); |
| } |
| n = attrs == null ? 0 : attrs.size(); |
| for (i = 0; i < n; ++i) { |
| cv.visitAttribute(attrs.get(i)); |
| } |
| // visits inner classes |
| for (i = 0; i < innerClasses.size(); ++i) { |
| innerClasses.get(i).accept(cv); |
| } |
| // visits fields |
| for (i = 0; i < fields.size(); ++i) { |
| fields.get(i).accept(cv); |
| } |
| // visits methods |
| for (i = 0; i < methods.size(); ++i) { |
| methods.get(i).accept(cv); |
| } |
| // visits end |
| cv.visitEnd(); |
| } |
| } |