/* * Copyright (c) 2015, 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 * 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. */ package com.sun.tools.classfile; import java.io.IOException; /** * See Jigsaw. * * <p><b>This is NOT part of any supported API. * If you write code that depends on this, you do so at your own risk. * This code and its internal interfaces are subject to change or * deletion without notice.</b> */ public class Module_attribute extends Attribute { public static final int ACC_TRANSITIVE = 0x10; public static final int ACC_STATIC_PHASE = 0x20; public static final int ACC_OPEN = 0x20; public static final int ACC_SYNTHETIC = 0x1000; public static final int ACC_MANDATED = 0x8000; Module_attribute(ClassReader cr, int name_index, int length) throws IOException { super(name_index, length); module_name = cr.readUnsignedShort(); module_flags = cr.readUnsignedShort(); requires_count = cr.readUnsignedShort(); requires = new RequiresEntry[requires_count]; for (int i = 0; i < requires_count; i++) requires[i] = new RequiresEntry(cr); exports_count = cr.readUnsignedShort(); exports = new ExportsEntry[exports_count]; for (int i = 0; i < exports_count; i++) exports[i] = new ExportsEntry(cr); opens_count = cr.readUnsignedShort(); opens = new OpensEntry[opens_count]; for (int i = 0; i < opens_count; i++) opens[i] = new OpensEntry(cr); uses_count = cr.readUnsignedShort(); uses_index = new int[uses_count]; for (int i = 0; i < uses_count; i++) uses_index[i] = cr.readUnsignedShort(); provides_count = cr.readUnsignedShort(); provides = new ProvidesEntry[provides_count]; for (int i = 0; i < provides_count; i++) provides[i] = new ProvidesEntry(cr); } public Module_attribute(int name_index, int module_name, int module_flags, RequiresEntry[] requires, ExportsEntry[] exports, OpensEntry[] opens, int[] uses, ProvidesEntry[] provides) { super(name_index, 2); this.module_name = module_name; this.module_flags = module_flags; requires_count = requires.length; this.requires = requires; exports_count = exports.length; this.exports = exports; opens_count = opens.length; this.opens = opens; uses_count = uses.length; this.uses_index = uses; provides_count = provides.length; this.provides = provides; } public String getUses(int index, ConstantPool constant_pool) throws ConstantPoolException { int i = uses_index[index]; return constant_pool.getClassInfo(i).getName(); } @Override public <R, D> R accept(Visitor<R, D> visitor, D data) { return visitor.visitModule(this, data); } public final int module_name; public final int module_flags; public final int requires_count; public final RequiresEntry[] requires; public final int exports_count; public final ExportsEntry[] exports; public final int opens_count; public final OpensEntry[] opens; public final int uses_count; public final int[] uses_index; public final int provides_count; public final ProvidesEntry[] provides; public static class RequiresEntry { RequiresEntry(ClassReader cr) throws IOException { requires_index = cr.readUnsignedShort(); requires_flags = cr.readUnsignedShort(); } public RequiresEntry(int index, int flags) { this.requires_index = index; this.requires_flags = flags; } public String getRequires(ConstantPool constant_pool) throws ConstantPoolException { return constant_pool.getUTF8Value(requires_index); } public static final int length = 4; public final int requires_index; public final int requires_flags; } public static class ExportsEntry { ExportsEntry(ClassReader cr) throws IOException { exports_index = cr.readUnsignedShort(); exports_flags = cr.readUnsignedShort(); exports_to_count = cr.readUnsignedShort(); exports_to_index = new int[exports_to_count]; for (int i = 0; i < exports_to_count; i++) exports_to_index[i] = cr.readUnsignedShort(); } public ExportsEntry(int index, int flags, int[] to) { this.exports_index = index; this.exports_flags = flags; this.exports_to_count = to.length; this.exports_to_index = to; } public int length() { return 4 + 2 * exports_to_index.length; } public final int exports_index; public final int exports_flags; public final int exports_to_count; public final int[] exports_to_index; } public static class OpensEntry { OpensEntry(ClassReader cr) throws IOException { opens_index = cr.readUnsignedShort(); opens_flags = cr.readUnsignedShort(); opens_to_count = cr.readUnsignedShort(); opens_to_index = new int[opens_to_count]; for (int i = 0; i < opens_to_count; i++) opens_to_index[i] = cr.readUnsignedShort(); } public OpensEntry(int index, int flags, int[] to) { this.opens_index = index; this.opens_flags = flags; this.opens_to_count = to.length; this.opens_to_index = to; } public int length() { return 4 + 2 * opens_to_index.length; } public final int opens_index; public final int opens_flags; public final int opens_to_count; public final int[] opens_to_index; } public static class ProvidesEntry { ProvidesEntry(ClassReader cr) throws IOException { provides_index = cr.readUnsignedShort(); with_count = cr.readUnsignedShort(); with_index = new int[with_count]; for (int i = 0; i < with_count; i++) with_index[i] = cr.readUnsignedShort(); } public ProvidesEntry(int provides, int[] with) { this.provides_index = provides; this.with_count = with.length; this.with_index = with; } public static final int length = 4; public final int provides_index; public final int with_count; public final int[] with_index; } }