| /* |
| * 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; |
| |
| /** |
| * @author Remi Forax |
| */ |
| final class ModuleWriter extends ModuleVisitor { |
| /** |
| * The class writer to which this Module attribute must be added. |
| */ |
| private final ClassWriter cw; |
| |
| /** |
| * size in byte of the Module attribute. |
| */ |
| int size; |
| |
| /** |
| * Number of attributes associated with the current module |
| * (Version, ConcealPackages, etc) |
| */ |
| int attributeCount; |
| |
| /** |
| * Size in bytes of the attributes associated with the current module |
| */ |
| int attributesSize; |
| |
| /** |
| * module name index in the constant pool |
| */ |
| private final int name; |
| |
| /** |
| * module access flags |
| */ |
| private final int access; |
| |
| /** |
| * module version index in the constant pool or 0 |
| */ |
| private final int version; |
| |
| /** |
| * module main class index in the constant pool or 0 |
| */ |
| private int mainClass; |
| |
| /** |
| * number of packages |
| */ |
| private int packageCount; |
| |
| /** |
| * The packages in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in packageCount |
| */ |
| private ByteVector packages; |
| |
| /** |
| * number of requires items |
| */ |
| private int requireCount; |
| |
| /** |
| * The requires items in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in requireCount |
| */ |
| private ByteVector requires; |
| |
| /** |
| * number of exports items |
| */ |
| private int exportCount; |
| |
| /** |
| * The exports items in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in exportCount |
| */ |
| private ByteVector exports; |
| |
| /** |
| * number of opens items |
| */ |
| private int openCount; |
| |
| /** |
| * The opens items in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in openCount |
| */ |
| private ByteVector opens; |
| |
| /** |
| * number of uses items |
| */ |
| private int useCount; |
| |
| /** |
| * The uses items in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in useCount |
| */ |
| private ByteVector uses; |
| |
| /** |
| * number of provides items |
| */ |
| private int provideCount; |
| |
| /** |
| * The uses provides in bytecode form. This byte vector only contains |
| * the items themselves, the number of items is store in provideCount |
| */ |
| private ByteVector provides; |
| |
| ModuleWriter(final ClassWriter cw, final int name, |
| final int access, final int version) { |
| super(Opcodes.ASM6); |
| this.cw = cw; |
| this.size = 16; // name + access + version + 5 counts |
| this.name = name; |
| this.access = access; |
| this.version = version; |
| } |
| |
| @Override |
| public void visitMainClass(String mainClass) { |
| if (this.mainClass == 0) { // protect against several calls to visitMainClass |
| cw.newUTF8("ModuleMainClass"); |
| attributeCount++; |
| attributesSize += 8; |
| } |
| this.mainClass = cw.newClass(mainClass); |
| } |
| |
| @Override |
| public void visitPackage(String packaze) { |
| if (packages == null) { |
| // protect against several calls to visitPackage |
| cw.newUTF8("ModulePackages"); |
| packages = new ByteVector(); |
| attributeCount++; |
| attributesSize += 8; |
| } |
| packages.putShort(cw.newPackage(packaze)); |
| packageCount++; |
| attributesSize += 2; |
| } |
| |
| @Override |
| public void visitRequire(String module, int access, String version) { |
| if (requires == null) { |
| requires = new ByteVector(); |
| } |
| requires.putShort(cw.newModule(module)) |
| .putShort(access) |
| .putShort(version == null? 0: cw.newUTF8(version)); |
| requireCount++; |
| size += 6; |
| } |
| |
| @Override |
| public void visitExport(String packaze, int access, String... modules) { |
| if (exports == null) { |
| exports = new ByteVector(); |
| } |
| exports.putShort(cw.newPackage(packaze)).putShort(access); |
| if (modules == null) { |
| exports.putShort(0); |
| size += 6; |
| } else { |
| exports.putShort(modules.length); |
| for(String module: modules) { |
| exports.putShort(cw.newModule(module)); |
| } |
| size += 6 + 2 * modules.length; |
| } |
| exportCount++; |
| } |
| |
| @Override |
| public void visitOpen(String packaze, int access, String... modules) { |
| if (opens == null) { |
| opens = new ByteVector(); |
| } |
| opens.putShort(cw.newPackage(packaze)).putShort(access); |
| if (modules == null) { |
| opens.putShort(0); |
| size += 6; |
| } else { |
| opens.putShort(modules.length); |
| for(String module: modules) { |
| opens.putShort(cw.newModule(module)); |
| } |
| size += 6 + 2 * modules.length; |
| } |
| openCount++; |
| } |
| |
| @Override |
| public void visitUse(String service) { |
| if (uses == null) { |
| uses = new ByteVector(); |
| } |
| uses.putShort(cw.newClass(service)); |
| useCount++; |
| size += 2; |
| } |
| |
| @Override |
| public void visitProvide(String service, String... providers) { |
| if (provides == null) { |
| provides = new ByteVector(); |
| } |
| provides.putShort(cw.newClass(service)); |
| provides.putShort(providers.length); |
| for(String provider: providers) { |
| provides.putShort(cw.newClass(provider)); |
| } |
| provideCount++; |
| size += 4 + 2 * providers.length; |
| } |
| |
| @Override |
| public void visitEnd() { |
| // empty |
| } |
| |
| void putAttributes(ByteVector out) { |
| if (mainClass != 0) { |
| out.putShort(cw.newUTF8("ModuleMainClass")).putInt(2).putShort(mainClass); |
| } |
| if (packages != null) { |
| out.putShort(cw.newUTF8("ModulePackages")) |
| .putInt(2 + 2 * packageCount) |
| .putShort(packageCount) |
| .putByteArray(packages.data, 0, packages.length); |
| } |
| } |
| |
| void put(ByteVector out) { |
| out.putInt(size); |
| out.putShort(name).putShort(access).putShort(version); |
| out.putShort(requireCount); |
| if (requires != null) { |
| out.putByteArray(requires.data, 0, requires.length); |
| } |
| out.putShort(exportCount); |
| if (exports != null) { |
| out.putByteArray(exports.data, 0, exports.length); |
| } |
| out.putShort(openCount); |
| if (opens != null) { |
| out.putByteArray(opens.data, 0, opens.length); |
| } |
| out.putShort(useCount); |
| if (uses != null) { |
| out.putByteArray(uses.data, 0, uses.length); |
| } |
| out.putShort(provideCount); |
| if (provides != null) { |
| out.putByteArray(provides.data, 0, provides.length); |
| } |
| } |
| } |