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// 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 org.objectweb.asm.tree;
import java.util.ArrayList;
import java.util.List;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ModuleVisitor;
import org.objectweb.asm.Opcodes;
/**
* A node that represents a module declaration.
*
* @author Remi Forax
*/
public class ModuleNode extends ModuleVisitor {
/** The fully qualified name (using dots) of this module. */
public String name;
/**
* The module's access flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC} and {@code
* ACC_MANDATED}.
*/
public int access;
/** The version of this module. May be {@literal null}. */
public String version;
/** The internal name of the main class of this module. May be {@literal null}. */
public String mainClass;
/** The internal name of the packages declared by this module. May be {@literal null}. */
public List packages;
/** The dependencies of this module. May be {@literal null}. */
public List requires;
/** The packages exported by this module. May be {@literal null}. */
public List exports;
/** The packages opened by this module. May be {@literal null}. */
public List opens;
/** The internal names of the services used by this module. May be {@literal null}. */
public List uses;
/** The services provided by this module. May be {@literal null}. */
public List provides;
/**
* Constructs a {@link ModuleNode}. Subclasses must not use this constructor. Instead, they
* must use the {@link #ModuleNode(int,String,int,String,List,List,List,List,List)} version.
*
* @param name the fully qualified name (using dots) of the module.
* @param access the module access flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC} and {@code
* ACC_MANDATED}.
* @param version the module version, or {@literal null}.
* @throws IllegalStateException If a subclass calls this constructor.
*/
public ModuleNode(final String name, final int access, final String version) {
super(Opcodes.ASM7);
if (getClass() != ModuleNode.class) {
throw new IllegalStateException();
}
this.name = name;
this.access = access;
this.version = version;
}
// TODO(forax): why is there no 'mainClass' and 'packages' parameters in this constructor?
/**
* Constructs a {@link ModuleNode}.
*
* @param api the ASM API version implemented by this visitor. Must be one of {@link Opcodes#ASM6}
* or {@link Opcodes#ASM7}.
* @param name the fully qualified name (using dots) of the module.
* @param access the module access flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC} and {@code
* ACC_MANDATED}.
* @param version the module version, or {@literal null}.
* @param requires The dependencies of this module. May be {@literal null}.
* @param exports The packages exported by this module. May be {@literal null}.
* @param opens The packages opened by this module. May be {@literal null}.
* @param uses The internal names of the services used by this module. May be {@literal null}.
* @param provides The services provided by this module. May be {@literal null}.
*/
public ModuleNode(
final int api,
final String name,
final int access,
final String version,
final List requires,
final List exports,
final List opens,
final List uses,
final List provides) {
super(api);
this.name = name;
this.access = access;
this.version = version;
this.requires = requires;
this.exports = exports;
this.opens = opens;
this.uses = uses;
this.provides = provides;
}
@Override
public void visitMainClass(final String mainClass) {
this.mainClass = mainClass;
}
@Override
public void visitPackage(final String packaze) {
if (packages == null) {
packages = new ArrayList(5);
}
packages.add(packaze);
}
@Override
public void visitRequire(final String module, final int access, final String version) {
if (requires == null) {
requires = new ArrayList(5);
}
requires.add(new ModuleRequireNode(module, access, version));
}
@Override
public void visitExport(final String packaze, final int access, final String... modules) {
if (exports == null) {
exports = new ArrayList(5);
}
exports.add(new ModuleExportNode(packaze, access, Util.asArrayList(modules)));
}
@Override
public void visitOpen(final String packaze, final int access, final String... modules) {
if (opens == null) {
opens = new ArrayList(5);
}
opens.add(new ModuleOpenNode(packaze, access, Util.asArrayList(modules)));
}
@Override
public void visitUse(final String service) {
if (uses == null) {
uses = new ArrayList(5);
}
uses.add(service);
}
@Override
public void visitProvide(final String service, final String... providers) {
if (provides == null) {
provides = new ArrayList(5);
}
provides.add(new ModuleProvideNode(service, Util.asArrayList(providers)));
}
@Override
public void visitEnd() {
// Nothing to do.
}
/**
* Makes the given class visitor visit this module.
*
* @param classVisitor a class visitor.
*/
public void accept(final ClassVisitor classVisitor) {
ModuleVisitor moduleVisitor = classVisitor.visitModule(name, access, version);
if (moduleVisitor == null) {
return;
}
if (mainClass != null) {
moduleVisitor.visitMainClass(mainClass);
}
if (packages != null) {
for (int i = 0, n = packages.size(); i < n; i++) {
moduleVisitor.visitPackage(packages.get(i));
}
}
if (requires != null) {
for (int i = 0, n = requires.size(); i < n; i++) {
requires.get(i).accept(moduleVisitor);
}
}
if (exports != null) {
for (int i = 0, n = exports.size(); i < n; i++) {
exports.get(i).accept(moduleVisitor);
}
}
if (opens != null) {
for (int i = 0, n = opens.size(); i < n; i++) {
opens.get(i).accept(moduleVisitor);
}
}
if (uses != null) {
for (int i = 0, n = uses.size(); i < n; i++) {
moduleVisitor.visitUse(uses.get(i));
}
}
if (provides != null) {
for (int i = 0, n = provides.size(); i < n; i++) {
provides.get(i).accept(moduleVisitor);
}
}
}
}
