100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/*
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* Copyright (c) 2019, 2020, 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.
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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 org.openjdk.asmtools.jasm;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import static org.openjdk.asmtools.jasm.RuntimeConstants.*;
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/**
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* The record attribute (JEP 359 since class file 58.65535)
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*/
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public class RecordData extends AttrData {
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private List<ComponentData> components = new ArrayList<>();
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public RecordData(ClassData cls) {
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super(cls, Tables.AttrTag.ATT_Record.parsekey());
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}
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public void addComponent(ConstantPool.ConstCell nameCell,
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ConstantPool.ConstCell descCell,
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ConstantPool.ConstCell signature,
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ArrayList<AnnotationData> annotations) {
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// Define a field if absent
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FieldData fd = getClassData().addFieldIfAbsent(ACC_MANDATED & ACC_PRIVATE & ACC_FINAL, nameCell, descCell);
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ComponentData cd = new ComponentData(fd);
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if( annotations != null ) {
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cd.addAnnotations(annotations);
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}
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if( signature != null ) {
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cd.setSignatureAttr(signature);
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}
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components.add(cd);
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}
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public boolean isEmpty() {
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return components.isEmpty();
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}
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@Override
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public void write(CheckedDataOutputStream out) throws IOException {
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super.write(out);
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out.writeShort(components.size());
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for (ComponentData cd : components) {
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cd.write(out);
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}
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}
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@Override
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public int attrLength() {
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int compsLength = components.stream().mapToInt(c -> c.getLength()).sum();
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return 2 + compsLength;
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}
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class ComponentData extends MemberData {
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private FieldData field;
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public ComponentData(FieldData field) {
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super(getClassData());
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this.field = field;
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}
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@Override
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protected DataVector getAttrVector() {
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return getDataVector(signatureAttr);
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}
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public void write(CheckedDataOutputStream out) throws IOException, Parser.CompilerError {
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out.writeShort(field.getNameDesc().left.arg);
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out.writeShort(field.getNameDesc().right.arg);
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DataVector attrs = getAttrVector();
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attrs.write(out);
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}
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public int getLength() {
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return 4 + getAttrVector().getLength();
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}
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}
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} |