| // 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.apache.tapestry5.internal.plastic.asm.commons; |
| |
| import java.util.List; |
| import org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor; |
| import org.apache.tapestry5.internal.plastic.asm.Attribute; |
| import org.apache.tapestry5.internal.plastic.asm.ClassVisitor; |
| import org.apache.tapestry5.internal.plastic.asm.FieldVisitor; |
| import org.apache.tapestry5.internal.plastic.asm.MethodVisitor; |
| import org.apache.tapestry5.internal.plastic.asm.ModuleVisitor; |
| import org.apache.tapestry5.internal.plastic.asm.Opcodes; |
| import org.apache.tapestry5.internal.plastic.asm.TypePath; |
| |
| /** |
| * A {@link ClassVisitor} that remaps types with a {@link Remapper}. |
| * |
| * @author Eugene Kuleshov |
| */ |
| public class ClassRemapper extends ClassVisitor { |
| |
| /** The remapper used to remap the types in the visited class. */ |
| protected final Remapper remapper; |
| |
| /** The internal name of the visited class. */ |
| protected String className; |
| |
| /** |
| * Constructs a new {@link ClassRemapper}. <i>Subclasses must not use this constructor</i>. |
| * Instead, they must use the {@link #ClassRemapper(int,ClassVisitor,Remapper)} version. |
| * |
| * @param classVisitor the class visitor this remapper must deleted to. |
| * @param remapper the remapper to use to remap the types in the visited class. |
| */ |
| public ClassRemapper(final ClassVisitor classVisitor, final Remapper remapper) { |
| this(Opcodes.ASM7, classVisitor, remapper); |
| } |
| |
| /** |
| * Constructs a new {@link ClassRemapper}. |
| * |
| * @param api the ASM API version supported by this remapper. Must be one of {@link |
| * org.apache.tapestry5.internal.plastic.asm.Opcodes#ASM4}, {@link org.apache.tapestry5.internal.plastic.asm.Opcodes#ASM5}, {@link |
| * org.apache.tapestry5.internal.plastic.asm.Opcodes#ASM6} or {@link org.apache.tapestry5.internal.plastic.asm.Opcodes#ASM7}. |
| * @param classVisitor the class visitor this remapper must deleted to. |
| * @param remapper the remapper to use to remap the types in the visited class. |
| */ |
| protected ClassRemapper(final int api, final ClassVisitor classVisitor, final Remapper remapper) { |
| super(api, classVisitor); |
| this.remapper = remapper; |
| } |
| |
| @Override |
| public void visit( |
| final int version, |
| final int access, |
| final String name, |
| final String signature, |
| final String superName, |
| final String[] interfaces) { |
| this.className = name; |
| super.visit( |
| version, |
| access, |
| remapper.mapType(name), |
| remapper.mapSignature(signature, false), |
| remapper.mapType(superName), |
| interfaces == null ? null : remapper.mapTypes(interfaces)); |
| } |
| |
| @Override |
| public ModuleVisitor visitModule(final String name, final int flags, final String version) { |
| ModuleVisitor moduleVisitor = super.visitModule(remapper.mapModuleName(name), flags, version); |
| return moduleVisitor == null ? null : createModuleRemapper(moduleVisitor); |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) { |
| AnnotationVisitor annotationVisitor = |
| super.visitAnnotation(remapper.mapDesc(descriptor), visible); |
| return annotationVisitor == null ? null : createAnnotationRemapper(annotationVisitor); |
| } |
| |
| @Override |
| public AnnotationVisitor visitTypeAnnotation( |
| final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) { |
| AnnotationVisitor annotationVisitor = |
| super.visitTypeAnnotation(typeRef, typePath, remapper.mapDesc(descriptor), visible); |
| return annotationVisitor == null ? null : createAnnotationRemapper(annotationVisitor); |
| } |
| |
| @Override |
| public void visitAttribute(final Attribute attribute) { |
| if (attribute instanceof ModuleHashesAttribute) { |
| ModuleHashesAttribute moduleHashesAttribute = (ModuleHashesAttribute) attribute; |
| List<String> modules = moduleHashesAttribute.modules; |
| for (int i = 0; i < modules.size(); ++i) { |
| modules.set(i, remapper.mapModuleName(modules.get(i))); |
| } |
| } |
| super.visitAttribute(attribute); |
| } |
| |
| @Override |
| public FieldVisitor visitField( |
| final int access, |
| final String name, |
| final String descriptor, |
| final String signature, |
| final Object value) { |
| FieldVisitor fieldVisitor = |
| super.visitField( |
| access, |
| remapper.mapFieldName(className, name, descriptor), |
| remapper.mapDesc(descriptor), |
| remapper.mapSignature(signature, true), |
| (value == null) ? null : remapper.mapValue(value)); |
| return fieldVisitor == null ? null : createFieldRemapper(fieldVisitor); |
| } |
| |
| @Override |
| public MethodVisitor visitMethod( |
| final int access, |
| final String name, |
| final String descriptor, |
| final String signature, |
| final String[] exceptions) { |
| String remappedDescriptor = remapper.mapMethodDesc(descriptor); |
| MethodVisitor methodVisitor = |
| super.visitMethod( |
| access, |
| remapper.mapMethodName(className, name, descriptor), |
| remappedDescriptor, |
| remapper.mapSignature(signature, false), |
| exceptions == null ? null : remapper.mapTypes(exceptions)); |
| return methodVisitor == null ? null : createMethodRemapper(methodVisitor); |
| } |
| |
| @Override |
| public void visitInnerClass( |
| final String name, final String outerName, final String innerName, final int access) { |
| super.visitInnerClass( |
| remapper.mapType(name), |
| outerName == null ? null : remapper.mapType(outerName), |
| innerName == null ? null : remapper.mapInnerClassName(name, outerName, innerName), |
| access); |
| } |
| |
| @Override |
| public void visitOuterClass(final String owner, final String name, final String descriptor) { |
| super.visitOuterClass( |
| remapper.mapType(owner), |
| name == null ? null : remapper.mapMethodName(owner, name, descriptor), |
| descriptor == null ? null : remapper.mapMethodDesc(descriptor)); |
| } |
| |
| @Override |
| public void visitNestHost(final String nestHost) { |
| super.visitNestHost(remapper.mapType(nestHost)); |
| } |
| |
| @Override |
| public void visitNestMember(final String nestMember) { |
| super.visitNestMember(remapper.mapType(nestMember)); |
| } |
| |
| /** |
| * Constructs a new remapper for fields. The default implementation of this method returns a new |
| * {@link FieldRemapper}. |
| * |
| * @param fieldVisitor the FieldVisitor the remapper must delegate to. |
| * @return the newly created remapper. |
| */ |
| protected FieldVisitor createFieldRemapper(final FieldVisitor fieldVisitor) { |
| return new FieldRemapper(api, fieldVisitor, remapper); |
| } |
| |
| /** |
| * Constructs a new remapper for methods. The default implementation of this method returns a new |
| * {@link MethodRemapper}. |
| * |
| * @param methodVisitor the MethodVisitor the remapper must delegate to. |
| * @return the newly created remapper. |
| */ |
| protected MethodVisitor createMethodRemapper(final MethodVisitor methodVisitor) { |
| return new MethodRemapper(api, methodVisitor, remapper); |
| } |
| |
| /** |
| * Constructs a new remapper for annotations. The default implementation of this method returns a |
| * new {@link AnnotationRemapper}. |
| * |
| * @param annotationVisitor the AnnotationVisitor the remapper must delegate to. |
| * @return the newly created remapper. |
| */ |
| protected AnnotationVisitor createAnnotationRemapper(final AnnotationVisitor annotationVisitor) { |
| return new AnnotationRemapper(api, annotationVisitor, remapper); |
| } |
| |
| /** |
| * Constructs a new remapper for modules. The default implementation of this method returns a new |
| * {@link ModuleRemapper}. |
| * |
| * @param moduleVisitor the ModuleVisitor the remapper must delegate to. |
| * @return the newly created remapper. |
| */ |
| protected ModuleVisitor createModuleRemapper(final ModuleVisitor moduleVisitor) { |
| return new ModuleRemapper(api, moduleVisitor, remapper); |
| } |
| } |