mirror of
https://github.com/openjdk/jdk.git
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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
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@ -0,0 +1,968 @@
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/*
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* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
|
||||
* 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
|
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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
|
||||
* 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.
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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
|
||||
* questions.
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*/
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package com.sun.tools.classfile;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import static com.sun.tools.classfile.Annotation.*;
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import static com.sun.tools.classfile.ConstantPool.*;
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import static com.sun.tools.classfile.StackMapTable_attribute.*;
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import static com.sun.tools.classfile.StackMapTable_attribute.verification_type_info.*;
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/**
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* Write a ClassFile data structure to a file or stream.
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*
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* <p><b>This is NOT part of any supported API.
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* If you write code that depends on this, you do so at your own risk.
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* This code and its internal interfaces are subject to change or
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* deletion without notice.</b>
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*/
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public class ClassWriter {
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public ClassWriter() {
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attributeWriter = new AttributeWriter();
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constantPoolWriter = new ConstantPoolWriter();
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out = new ClassOutputStream();
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}
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/**
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* Write a ClassFile data structure to a file.
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* @param classFile the classfile object to be written
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* @param f the file
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* @throws IOException if an error occurs while writing the file
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*/
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public void write(ClassFile classFile, File f) throws IOException {
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try (FileOutputStream f_out = new FileOutputStream(f)) {
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write(classFile, f_out);
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}
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}
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/**
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* Write a ClassFile data structure to a stream.
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* @param classFile the classfile object to be written
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* @param s the stream
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* @throws IOException if an error occurs while writing the file
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*/
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public void write(ClassFile classFile, OutputStream s) throws IOException {
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this.classFile = classFile;
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out.reset();
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write();
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out.writeTo(s);
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}
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protected void write() throws IOException {
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writeHeader();
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writeConstantPool();
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writeAccessFlags(classFile.access_flags);
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writeClassInfo();
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writeFields();
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writeMethods();
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writeAttributes(classFile.attributes);
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}
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protected void writeHeader() {
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out.writeInt(classFile.magic);
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out.writeShort(classFile.minor_version);
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out.writeShort(classFile.major_version);
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}
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protected void writeAccessFlags(AccessFlags flags) {
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out.writeShort(flags.flags);
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}
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protected void writeAttributes(Attributes attributes) {
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int size = attributes.size();
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out.writeShort(size);
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for (Attribute attr: attributes)
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attributeWriter.write(attr, out);
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}
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protected void writeClassInfo() {
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out.writeShort(classFile.this_class);
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out.writeShort(classFile.super_class);
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int[] interfaces = classFile.interfaces;
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out.writeShort(interfaces.length);
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for (int i: interfaces)
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out.writeShort(i);
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}
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protected void writeDescriptor(Descriptor d) {
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out.writeShort(d.index);
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}
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protected void writeConstantPool() {
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ConstantPool pool = classFile.constant_pool;
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int size = pool.size();
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out.writeShort(size);
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for (CPInfo cpInfo: pool.entries())
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constantPoolWriter.write(cpInfo, out);
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}
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protected void writeFields() throws IOException {
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Field[] fields = classFile.fields;
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out.writeShort(fields.length);
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for (Field f: fields)
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writeField(f);
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}
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protected void writeField(Field f) throws IOException {
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writeAccessFlags(f.access_flags);
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out.writeShort(f.name_index);
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writeDescriptor(f.descriptor);
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writeAttributes(f.attributes);
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}
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protected void writeMethods() throws IOException {
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Method[] methods = classFile.methods;
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out.writeShort(methods.length);
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for (Method m: methods) {
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writeMethod(m);
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}
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}
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protected void writeMethod(Method m) throws IOException {
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writeAccessFlags(m.access_flags);
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out.writeShort(m.name_index);
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writeDescriptor(m.descriptor);
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writeAttributes(m.attributes);
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}
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protected ClassFile classFile;
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protected ClassOutputStream out;
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protected AttributeWriter attributeWriter;
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protected ConstantPoolWriter constantPoolWriter;
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/**
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* Subtype of ByteArrayOutputStream with the convenience methods of
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* a DataOutputStream. Since ByteArrayOutputStream does not throw
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* IOException, there are no exceptions from the additional
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* convenience methods either,
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*/
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protected static class ClassOutputStream extends ByteArrayOutputStream {
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public ClassOutputStream() {
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d = new DataOutputStream(this);
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}
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public void writeByte(int value) {
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try {
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d.writeByte(value);
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} catch (IOException ignore) {
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}
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}
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public void writeShort(int value) {
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try {
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d.writeShort(value);
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} catch (IOException ignore) {
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}
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}
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public void writeInt(int value) {
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try {
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d.writeInt(value);
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} catch (IOException ignore) {
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}
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}
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public void writeLong(long value) {
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try {
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d.writeLong(value);
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} catch (IOException ignore) {
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}
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}
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public void writeFloat(float value) {
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try {
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d.writeFloat(value);
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} catch (IOException ignore) {
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}
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}
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public void writeDouble(double value) {
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try {
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d.writeDouble(value);
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} catch (IOException ignore) {
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}
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}
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public void writeUTF(String value) {
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try {
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d.writeUTF(value);
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} catch (IOException ignore) {
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}
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}
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public void writeTo(ClassOutputStream s) {
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try {
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super.writeTo(s);
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} catch (IOException ignore) {
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}
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}
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private final DataOutputStream d;
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}
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/**
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* Writer for the entries in the constant pool.
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*/
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protected static class ConstantPoolWriter
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implements ConstantPool.Visitor<Integer,ClassOutputStream> {
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protected int write(CPInfo info, ClassOutputStream out) {
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out.writeByte(info.getTag());
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return info.accept(this, out);
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}
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@Override
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public Integer visitClass(CONSTANT_Class_info info, ClassOutputStream out) {
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out.writeShort(info.name_index);
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return 1;
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}
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@Override
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public Integer visitDouble(CONSTANT_Double_info info, ClassOutputStream out) {
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out.writeDouble(info.value);
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return 2;
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}
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@Override
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public Integer visitFieldref(CONSTANT_Fieldref_info info, ClassOutputStream out) {
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writeRef(info, out);
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return 1;
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}
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@Override
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public Integer visitFloat(CONSTANT_Float_info info, ClassOutputStream out) {
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out.writeFloat(info.value);
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return 1;
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}
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@Override
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public Integer visitInteger(CONSTANT_Integer_info info, ClassOutputStream out) {
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out.writeInt(info.value);
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return 1;
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}
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@Override
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public Integer visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, ClassOutputStream out) {
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writeRef(info, out);
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return 1;
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}
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@Override
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public Integer visitInvokeDynamic(CONSTANT_InvokeDynamic_info info, ClassOutputStream out) {
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out.writeShort(info.bootstrap_method_attr_index);
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out.writeShort(info.name_and_type_index);
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return 1;
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}
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@Override
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public Integer visitLong(CONSTANT_Long_info info, ClassOutputStream out) {
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out.writeLong(info.value);
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return 2;
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}
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@Override
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public Integer visitMethodHandle(CONSTANT_MethodHandle_info info, ClassOutputStream out) {
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out.writeByte(info.reference_kind.tag);
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out.writeShort(info.reference_index);
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return 1;
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}
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@Override
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public Integer visitMethodType(CONSTANT_MethodType_info info, ClassOutputStream out) {
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out.writeShort(info.descriptor_index);
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return 1;
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}
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@Override
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public Integer visitMethodref(CONSTANT_Methodref_info info, ClassOutputStream out) {
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return writeRef(info, out);
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}
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@Override
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public Integer visitModule(CONSTANT_Module_info info, ClassOutputStream out) {
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out.writeShort(info.name_index);
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return 1;
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}
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@Override
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public Integer visitNameAndType(CONSTANT_NameAndType_info info, ClassOutputStream out) {
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out.writeShort(info.name_index);
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out.writeShort(info.type_index);
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return 1;
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}
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@Override
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public Integer visitPackage(CONSTANT_Package_info info, ClassOutputStream out) {
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out.writeShort(info.name_index);
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return 1;
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}
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@Override
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public Integer visitString(CONSTANT_String_info info, ClassOutputStream out) {
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out.writeShort(info.string_index);
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return 1;
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}
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@Override
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public Integer visitUtf8(CONSTANT_Utf8_info info, ClassOutputStream out) {
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out.writeUTF(info.value);
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return 1;
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}
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protected Integer writeRef(CPRefInfo info, ClassOutputStream out) {
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out.writeShort(info.class_index);
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out.writeShort(info.name_and_type_index);
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return 1;
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}
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}
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/**
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* Writer for the different types of attribute.
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*/
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protected static class AttributeWriter implements Attribute.Visitor<Void,ClassOutputStream> {
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public void write(Attributes attributes, ClassOutputStream out) {
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int size = attributes.size();
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out.writeShort(size);
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for (Attribute a: attributes)
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write(a, out);
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}
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// Note: due to the use of shared resources, this method is not reentrant.
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public void write(Attribute attr, ClassOutputStream out) {
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out.writeShort(attr.attribute_name_index);
|
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sharedOut.reset();
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attr.accept(this, sharedOut);
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out.writeInt(sharedOut.size());
|
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sharedOut.writeTo(out);
|
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}
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protected ClassOutputStream sharedOut = new ClassOutputStream();
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protected AnnotationWriter annotationWriter = new AnnotationWriter();
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|
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@Override
|
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public Void visitDefault(DefaultAttribute attr, ClassOutputStream out) {
|
||||
out.write(attr.info, 0, attr.info.length);
|
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return null;
|
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}
|
||||
|
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@Override
|
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public Void visitAnnotationDefault(AnnotationDefault_attribute attr, ClassOutputStream out) {
|
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annotationWriter.write(attr.default_value, out);
|
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return null;
|
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}
|
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|
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@Override
|
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public Void visitBootstrapMethods(BootstrapMethods_attribute attr, ClassOutputStream out) {
|
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out.writeShort(attr.bootstrap_method_specifiers.length);
|
||||
for (BootstrapMethods_attribute.BootstrapMethodSpecifier bsm : attr.bootstrap_method_specifiers) {
|
||||
out.writeShort(bsm.bootstrap_method_ref);
|
||||
int bsm_args_count = bsm.bootstrap_arguments.length;
|
||||
out.writeShort(bsm_args_count);
|
||||
for (int i : bsm.bootstrap_arguments) {
|
||||
out.writeShort(i);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.character_range_table.length);
|
||||
for (CharacterRangeTable_attribute.Entry e: attr.character_range_table)
|
||||
writeCharacterRangeTableEntry(e, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeCharacterRangeTableEntry(CharacterRangeTable_attribute.Entry entry, ClassOutputStream out) {
|
||||
out.writeShort(entry.start_pc);
|
||||
out.writeShort(entry.end_pc);
|
||||
out.writeInt(entry.character_range_start);
|
||||
out.writeInt(entry.character_range_end);
|
||||
out.writeShort(entry.flags);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitCode(Code_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.max_stack);
|
||||
out.writeShort(attr.max_locals);
|
||||
out.writeInt(attr.code.length);
|
||||
out.write(attr.code, 0, attr.code.length);
|
||||
out.writeShort(attr.exception_table.length);
|
||||
for (Code_attribute.Exception_data e: attr.exception_table)
|
||||
writeExceptionTableEntry(e, out);
|
||||
new AttributeWriter().write(attr.attributes, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeExceptionTableEntry(Code_attribute.Exception_data exception_data, ClassOutputStream out) {
|
||||
out.writeShort(exception_data.start_pc);
|
||||
out.writeShort(exception_data.end_pc);
|
||||
out.writeShort(exception_data.handler_pc);
|
||||
out.writeShort(exception_data.catch_type);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitCompilationID(CompilationID_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.compilationID_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitConstantValue(ConstantValue_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.constantvalue_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitDeprecated(Deprecated_attribute attr, ClassOutputStream out) {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitEnclosingMethod(EnclosingMethod_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.class_index);
|
||||
out.writeShort(attr.method_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitExceptions(Exceptions_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.exception_index_table.length);
|
||||
for (int i: attr.exception_index_table)
|
||||
out.writeShort(i);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitInnerClasses(InnerClasses_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.classes.length);
|
||||
for (InnerClasses_attribute.Info info: attr.classes)
|
||||
writeInnerClassesInfo(info, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeInnerClassesInfo(InnerClasses_attribute.Info info, ClassOutputStream out) {
|
||||
out.writeShort(info.inner_class_info_index);
|
||||
out.writeShort(info.outer_class_info_index);
|
||||
out.writeShort(info.inner_name_index);
|
||||
writeAccessFlags(info.inner_class_access_flags, out);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitLineNumberTable(LineNumberTable_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.line_number_table.length);
|
||||
for (LineNumberTable_attribute.Entry e: attr.line_number_table)
|
||||
writeLineNumberTableEntry(e, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeLineNumberTableEntry(LineNumberTable_attribute.Entry entry, ClassOutputStream out) {
|
||||
out.writeShort(entry.start_pc);
|
||||
out.writeShort(entry.line_number);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitLocalVariableTable(LocalVariableTable_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.local_variable_table.length);
|
||||
for (LocalVariableTable_attribute.Entry e: attr.local_variable_table)
|
||||
writeLocalVariableTableEntry(e, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeLocalVariableTableEntry(LocalVariableTable_attribute.Entry entry, ClassOutputStream out) {
|
||||
out.writeShort(entry.start_pc);
|
||||
out.writeShort(entry.length);
|
||||
out.writeShort(entry.name_index);
|
||||
out.writeShort(entry.descriptor_index);
|
||||
out.writeShort(entry.index);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.local_variable_table.length);
|
||||
for (LocalVariableTypeTable_attribute.Entry e: attr.local_variable_table)
|
||||
writeLocalVariableTypeTableEntry(e, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeLocalVariableTypeTableEntry(LocalVariableTypeTable_attribute.Entry entry, ClassOutputStream out) {
|
||||
out.writeShort(entry.start_pc);
|
||||
out.writeShort(entry.length);
|
||||
out.writeShort(entry.name_index);
|
||||
out.writeShort(entry.signature_index);
|
||||
out.writeShort(entry.index);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitMethodParameters(MethodParameters_attribute attr, ClassOutputStream out) {
|
||||
out.writeByte(attr.method_parameter_table.length);
|
||||
for (MethodParameters_attribute.Entry e : attr.method_parameter_table) {
|
||||
out.writeShort(e.name_index);
|
||||
out.writeShort(e.flags);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModule(Module_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.module_name);
|
||||
out.writeShort(attr.module_flags);
|
||||
out.writeShort(attr.module_version_index);
|
||||
|
||||
out.writeShort(attr.requires.length);
|
||||
for (Module_attribute.RequiresEntry e: attr.requires) {
|
||||
out.writeShort(e.requires_index);
|
||||
out.writeShort(e.requires_flags);
|
||||
out.writeShort(e.requires_version_index);
|
||||
}
|
||||
|
||||
out.writeShort(attr.exports.length);
|
||||
for (Module_attribute.ExportsEntry e: attr.exports) {
|
||||
out.writeShort(e.exports_index);
|
||||
out.writeShort(e.exports_flags);
|
||||
out.writeShort(e.exports_to_index.length);
|
||||
for (int index: e.exports_to_index)
|
||||
out.writeShort(index);
|
||||
}
|
||||
|
||||
out.writeShort(attr.opens.length);
|
||||
for (Module_attribute.OpensEntry e: attr.opens) {
|
||||
out.writeShort(e.opens_index);
|
||||
out.writeShort(e.opens_flags);
|
||||
out.writeShort(e.opens_to_index.length);
|
||||
for (int index: e.opens_to_index)
|
||||
out.writeShort(index);
|
||||
}
|
||||
|
||||
out.writeShort(attr.uses_index.length);
|
||||
for (int index: attr.uses_index) {
|
||||
out.writeShort(index);
|
||||
}
|
||||
|
||||
out.writeShort(attr.provides.length);
|
||||
for (Module_attribute.ProvidesEntry e: attr.provides) {
|
||||
out.writeShort(e.provides_index);
|
||||
out.writeShort(e.with_count);
|
||||
for (int with : e.with_index) {
|
||||
out.writeShort(with);
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModuleHashes(ModuleHashes_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.algorithm_index);
|
||||
out.writeShort(attr.hashes_table.length);
|
||||
for (ModuleHashes_attribute.Entry e: attr.hashes_table) {
|
||||
out.writeShort(e.module_name_index);
|
||||
out.writeShort(e.hash.length);
|
||||
for (byte b: e.hash) {
|
||||
out.writeByte(b);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModuleMainClass(ModuleMainClass_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.main_class_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModulePackages(ModulePackages_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.packages_count);
|
||||
for (int i: attr.packages_index)
|
||||
out.writeShort(i);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModuleResolution(ModuleResolution_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.resolution_flags);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitModuleTarget(ModuleTarget_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.target_platform_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, ClassOutputStream out) {
|
||||
annotationWriter.write(attr.annotations, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, ClassOutputStream out) {
|
||||
out.writeByte(attr.parameter_annotations.length);
|
||||
for (Annotation[] annos: attr.parameter_annotations)
|
||||
annotationWriter.write(annos, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, ClassOutputStream out) {
|
||||
annotationWriter.write(attr.annotations, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, ClassOutputStream out) {
|
||||
annotationWriter.write(attr.annotations, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, ClassOutputStream out) {
|
||||
out.writeByte(attr.parameter_annotations.length);
|
||||
for (Annotation[] annos: attr.parameter_annotations)
|
||||
annotationWriter.write(annos, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, ClassOutputStream out) {
|
||||
annotationWriter.write(attr.annotations, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitSignature(Signature_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.signature_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, ClassOutputStream out) {
|
||||
out.write(attr.debug_extension, 0, attr.debug_extension.length);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitSourceFile(SourceFile_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.sourcefile_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitSourceID(SourceID_attribute attr, ClassOutputStream out) {
|
||||
out.writeShort(attr.sourceID_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitStackMap(StackMap_attribute attr, ClassOutputStream out) {
|
||||
if (stackMapWriter == null)
|
||||
stackMapWriter = new StackMapTableWriter();
|
||||
|
||||
out.writeShort(attr.entries.length);
|
||||
for (stack_map_frame f: attr.entries)
|
||||
stackMapWriter.write(f, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitStackMapTable(StackMapTable_attribute attr, ClassOutputStream out) {
|
||||
if (stackMapWriter == null)
|
||||
stackMapWriter = new StackMapTableWriter();
|
||||
|
||||
out.writeShort(attr.entries.length);
|
||||
for (stack_map_frame f: attr.entries)
|
||||
stackMapWriter.write(f, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitSynthetic(Synthetic_attribute attr, ClassOutputStream out) {
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeAccessFlags(AccessFlags flags, ClassOutputStream p) {
|
||||
sharedOut.writeShort(flags.flags);
|
||||
}
|
||||
|
||||
protected StackMapTableWriter stackMapWriter;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writer for the frames of StackMap and StackMapTable attributes.
|
||||
*/
|
||||
protected static class StackMapTableWriter
|
||||
implements stack_map_frame.Visitor<Void,ClassOutputStream> {
|
||||
|
||||
public void write(stack_map_frame frame, ClassOutputStream out) {
|
||||
out.write(frame.frame_type);
|
||||
frame.accept(this, out);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_same_frame(same_frame frame, ClassOutputStream p) {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_same_locals_1_stack_item_frame(same_locals_1_stack_item_frame frame, ClassOutputStream out) {
|
||||
writeVerificationTypeInfo(frame.stack[0], out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_same_locals_1_stack_item_frame_extended(same_locals_1_stack_item_frame_extended frame, ClassOutputStream out) {
|
||||
out.writeShort(frame.offset_delta);
|
||||
writeVerificationTypeInfo(frame.stack[0], out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_chop_frame(chop_frame frame, ClassOutputStream out) {
|
||||
out.writeShort(frame.offset_delta);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_same_frame_extended(same_frame_extended frame, ClassOutputStream out) {
|
||||
out.writeShort(frame.offset_delta);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_append_frame(append_frame frame, ClassOutputStream out) {
|
||||
out.writeShort(frame.offset_delta);
|
||||
for (verification_type_info l: frame.locals)
|
||||
writeVerificationTypeInfo(l, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visit_full_frame(full_frame frame, ClassOutputStream out) {
|
||||
out.writeShort(frame.offset_delta);
|
||||
out.writeShort(frame.locals.length);
|
||||
for (verification_type_info l: frame.locals)
|
||||
writeVerificationTypeInfo(l, out);
|
||||
out.writeShort(frame.stack.length);
|
||||
for (verification_type_info s: frame.stack)
|
||||
writeVerificationTypeInfo(s, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
protected void writeVerificationTypeInfo(verification_type_info info,
|
||||
ClassOutputStream out) {
|
||||
out.write(info.tag);
|
||||
switch (info.tag) {
|
||||
case ITEM_Top:
|
||||
case ITEM_Integer:
|
||||
case ITEM_Float:
|
||||
case ITEM_Long:
|
||||
case ITEM_Double:
|
||||
case ITEM_Null:
|
||||
case ITEM_UninitializedThis:
|
||||
break;
|
||||
|
||||
case ITEM_Object:
|
||||
Object_variable_info o = (Object_variable_info) info;
|
||||
out.writeShort(o.cpool_index);
|
||||
break;
|
||||
|
||||
case ITEM_Uninitialized:
|
||||
Uninitialized_variable_info u = (Uninitialized_variable_info) info;
|
||||
out.writeShort(u.offset);
|
||||
break;
|
||||
|
||||
default:
|
||||
throw new Error();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Writer for annotations and the values they contain.
|
||||
*/
|
||||
protected static class AnnotationWriter
|
||||
implements Annotation.element_value.Visitor<Void,ClassOutputStream> {
|
||||
public void write(Annotation[] annos, ClassOutputStream out) {
|
||||
out.writeShort(annos.length);
|
||||
for (Annotation anno: annos)
|
||||
write(anno, out);
|
||||
}
|
||||
|
||||
public void write(TypeAnnotation[] annos, ClassOutputStream out) {
|
||||
out.writeShort(annos.length);
|
||||
for (TypeAnnotation anno: annos)
|
||||
write(anno, out);
|
||||
}
|
||||
|
||||
public void write(Annotation anno, ClassOutputStream out) {
|
||||
out.writeShort(anno.type_index);
|
||||
out.writeShort(anno.element_value_pairs.length);
|
||||
for (element_value_pair p: anno.element_value_pairs)
|
||||
write(p, out);
|
||||
}
|
||||
|
||||
public void write(TypeAnnotation anno, ClassOutputStream out) {
|
||||
write(anno.position, out);
|
||||
write(anno.annotation, out);
|
||||
}
|
||||
|
||||
public void write(element_value_pair pair, ClassOutputStream out) {
|
||||
out.writeShort(pair.element_name_index);
|
||||
write(pair.value, out);
|
||||
}
|
||||
|
||||
public void write(element_value ev, ClassOutputStream out) {
|
||||
out.writeByte(ev.tag);
|
||||
ev.accept(this, out);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitPrimitive(Primitive_element_value ev, ClassOutputStream out) {
|
||||
out.writeShort(ev.const_value_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitEnum(Enum_element_value ev, ClassOutputStream out) {
|
||||
out.writeShort(ev.type_name_index);
|
||||
out.writeShort(ev.const_name_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitClass(Class_element_value ev, ClassOutputStream out) {
|
||||
out.writeShort(ev.class_info_index);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitAnnotation(Annotation_element_value ev, ClassOutputStream out) {
|
||||
write(ev.annotation_value, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Void visitArray(Array_element_value ev, ClassOutputStream out) {
|
||||
out.writeShort(ev.num_values);
|
||||
for (element_value v: ev.values)
|
||||
write(v, out);
|
||||
return null;
|
||||
}
|
||||
|
||||
// TODO: Move this to TypeAnnotation to be closer with similar logic?
|
||||
private void write(TypeAnnotation.Position p, ClassOutputStream out) {
|
||||
out.writeByte(p.type.targetTypeValue());
|
||||
switch (p.type) {
|
||||
// instanceof
|
||||
case INSTANCEOF:
|
||||
// new expression
|
||||
case NEW:
|
||||
// constructor/method reference receiver
|
||||
case CONSTRUCTOR_REFERENCE:
|
||||
case METHOD_REFERENCE:
|
||||
out.writeShort(p.offset);
|
||||
break;
|
||||
// local variable
|
||||
case LOCAL_VARIABLE:
|
||||
// resource variable
|
||||
case RESOURCE_VARIABLE:
|
||||
int table_length = p.lvarOffset.length;
|
||||
out.writeShort(table_length);
|
||||
for (int i = 0; i < table_length; ++i) {
|
||||
out.writeShort(1); // for table length
|
||||
out.writeShort(p.lvarOffset[i]);
|
||||
out.writeShort(p.lvarLength[i]);
|
||||
out.writeShort(p.lvarIndex[i]);
|
||||
}
|
||||
break;
|
||||
// exception parameter
|
||||
case EXCEPTION_PARAMETER:
|
||||
out.writeShort(p.exception_index);
|
||||
break;
|
||||
// method receiver
|
||||
case METHOD_RECEIVER:
|
||||
// Do nothing
|
||||
break;
|
||||
// type parameters
|
||||
case CLASS_TYPE_PARAMETER:
|
||||
case METHOD_TYPE_PARAMETER:
|
||||
out.writeByte(p.parameter_index);
|
||||
break;
|
||||
// type parameters bounds
|
||||
case CLASS_TYPE_PARAMETER_BOUND:
|
||||
case METHOD_TYPE_PARAMETER_BOUND:
|
||||
out.writeByte(p.parameter_index);
|
||||
out.writeByte(p.bound_index);
|
||||
break;
|
||||
// class extends or implements clause
|
||||
case CLASS_EXTENDS:
|
||||
out.writeShort(p.type_index);
|
||||
break;
|
||||
// throws
|
||||
case THROWS:
|
||||
out.writeShort(p.type_index);
|
||||
break;
|
||||
// method parameter
|
||||
case METHOD_FORMAL_PARAMETER:
|
||||
out.writeByte(p.parameter_index);
|
||||
break;
|
||||
// type cast
|
||||
case CAST:
|
||||
// method/constructor/reference type argument
|
||||
case CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT:
|
||||
case METHOD_INVOCATION_TYPE_ARGUMENT:
|
||||
case CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT:
|
||||
case METHOD_REFERENCE_TYPE_ARGUMENT:
|
||||
out.writeShort(p.offset);
|
||||
out.writeByte(p.type_index);
|
||||
break;
|
||||
// We don't need to worry about these
|
||||
case METHOD_RETURN:
|
||||
case FIELD:
|
||||
break;
|
||||
case UNKNOWN:
|
||||
throw new AssertionError("ClassWriter: UNKNOWN target type should never occur!");
|
||||
default:
|
||||
throw new AssertionError("ClassWriter: Unknown target type for position: " + p);
|
||||
}
|
||||
|
||||
{ // Append location data for generics/arrays.
|
||||
// TODO: check for overrun?
|
||||
out.writeByte((byte)p.location.size());
|
||||
for (int i : TypeAnnotation.Position.getBinaryFromTypePath(p.location))
|
||||
out.writeByte((byte)i);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue