| /*** |
| * 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.eclipse.sisu.space.asm; |
| |
| /** |
| * A visitor to visit a Java module. The methods of this class must be called in |
| * the following order: ( <tt>visitRequire</tt> | <tt>visitExport</tt> | |
| * <tt>visitUse</tt> | <tt>visitProvide</tt> )* <tt>visitEnd</tt>. |
| * |
| * @author Remi Forax |
| */ |
| public abstract class ModuleVisitor { |
| /** |
| * The ASM API version implemented by this visitor. The value of this field |
| * must be {@link Opcodes#ASM6}. |
| */ |
| protected final int api; |
| |
| /** |
| * The module visitor to which this visitor must delegate method calls. May |
| * be null. |
| */ |
| protected ModuleVisitor mv; |
| |
| |
| public ModuleVisitor(final int api) { |
| this(api, null); |
| } |
| |
| /** |
| * Constructs a new {@link MethodVisitor}. |
| * |
| * @param api |
| * the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}. |
| * @param mv |
| * the method visitor to which this visitor must delegate method |
| * calls. May be null. |
| */ |
| public ModuleVisitor(final int api, final ModuleVisitor mv) { |
| if (api != Opcodes.ASM6) { |
| throw new IllegalArgumentException(); |
| } |
| this.api = api; |
| this.mv = mv; |
| } |
| |
| /** |
| * Visits a dependence of the current module. |
| * |
| * @param module the module name of the dependence |
| * @param access the access flag of the dependence among |
| * ACC_PUBLIC, ACC_SYNTHETIC and ACC_MANDATED. |
| */ |
| public void visitRequire(String module, int access) { |
| if (mv != null) { |
| mv.visitRequire(module, access); |
| } |
| } |
| |
| /** |
| * Visit an exported package of the current module. |
| * |
| * @param packaze the name of the exported package. |
| * @param modules names of the modules that can access to |
| * the public classes of the exported package or |
| * <tt>null</tt>. |
| */ |
| public void visitExport(String packaze, String... modules) { |
| if (mv != null) { |
| mv.visitExport(packaze, modules); |
| } |
| } |
| |
| /** |
| * Visit a service used by the current module. |
| * The name must be the name of an interface or an |
| * abstract class. |
| * |
| * @param service the internal name of the service. |
| */ |
| public void visitUse(String service) { |
| if (mv != null) { |
| mv.visitUse(service); |
| } |
| } |
| |
| /** |
| * Visit an implementation of a service. |
| * |
| * @param service the internal name of the service |
| * @param impl the internal name of the implementation |
| * of the service |
| */ |
| public void visitProvide(String service, String impl) { |
| if (mv != null) { |
| mv.visitProvide(service, impl); |
| } |
| } |
| |
| public void visitEnd() { |
| if (mv != null) { |
| mv.visitEnd(); |
| } |
| } |
| } |