| // 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.ArrayList; |
| import org.apache.tapestry5.internal.plastic.asm.Opcodes; |
| import org.apache.tapestry5.internal.plastic.asm.signature.SignatureVisitor; |
| |
| /** |
| * A {@link SignatureVisitor} that remaps types with a {@link Remapper}. |
| * |
| * @author Eugene Kuleshov |
| */ |
| public class SignatureRemapper extends SignatureVisitor { |
| |
| private final SignatureVisitor signatureVisitor; |
| |
| private final Remapper remapper; |
| |
| private ArrayList<String> classNames = new ArrayList<String>(); |
| |
| /** |
| * Constructs a new {@link SignatureRemapper}. <i>Subclasses must not use this constructor</i>. |
| * Instead, they must use the {@link #SignatureRemapper(int,SignatureVisitor,Remapper)} version. |
| * |
| * @param signatureVisitor the signature visitor this remapper must deleted to. |
| * @param remapper the remapper to use to remap the types in the visited signature. |
| */ |
| public SignatureRemapper(final SignatureVisitor signatureVisitor, final Remapper remapper) { |
| this(Opcodes.ASM7, signatureVisitor, remapper); |
| } |
| |
| /** |
| * Constructs a new {@link SignatureRemapper}. |
| * |
| * @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} or {@link |
| * org.apache.tapestry5.internal.plastic.asm.Opcodes#ASM6}. |
| * @param signatureVisitor the signature visitor this remapper must deleted to. |
| * @param remapper the remapper to use to remap the types in the visited signature. |
| */ |
| protected SignatureRemapper( |
| final int api, final SignatureVisitor signatureVisitor, final Remapper remapper) { |
| super(api); |
| this.signatureVisitor = signatureVisitor; |
| this.remapper = remapper; |
| } |
| |
| @Override |
| public void visitClassType(final String name) { |
| classNames.add(name); |
| signatureVisitor.visitClassType(remapper.mapType(name)); |
| } |
| |
| @Override |
| public void visitInnerClassType(final String name) { |
| String outerClassName = classNames.remove(classNames.size() - 1); |
| String className = outerClassName + '$' + name; |
| classNames.add(className); |
| String remappedOuter = remapper.mapType(outerClassName) + '$'; |
| String remappedName = remapper.mapType(className); |
| int index = |
| remappedName.startsWith(remappedOuter) |
| ? remappedOuter.length() |
| : remappedName.lastIndexOf('$') + 1; |
| signatureVisitor.visitInnerClassType(remappedName.substring(index)); |
| } |
| |
| @Override |
| public void visitFormalTypeParameter(final String name) { |
| signatureVisitor.visitFormalTypeParameter(name); |
| } |
| |
| @Override |
| public void visitTypeVariable(final String name) { |
| signatureVisitor.visitTypeVariable(name); |
| } |
| |
| @Override |
| public SignatureVisitor visitArrayType() { |
| signatureVisitor.visitArrayType(); |
| return this; |
| } |
| |
| @Override |
| public void visitBaseType(final char descriptor) { |
| signatureVisitor.visitBaseType(descriptor); |
| } |
| |
| @Override |
| public SignatureVisitor visitClassBound() { |
| signatureVisitor.visitClassBound(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitExceptionType() { |
| signatureVisitor.visitExceptionType(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitInterface() { |
| signatureVisitor.visitInterface(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitInterfaceBound() { |
| signatureVisitor.visitInterfaceBound(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitParameterType() { |
| signatureVisitor.visitParameterType(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitReturnType() { |
| signatureVisitor.visitReturnType(); |
| return this; |
| } |
| |
| @Override |
| public SignatureVisitor visitSuperclass() { |
| signatureVisitor.visitSuperclass(); |
| return this; |
| } |
| |
| @Override |
| public void visitTypeArgument() { |
| signatureVisitor.visitTypeArgument(); |
| } |
| |
| @Override |
| public SignatureVisitor visitTypeArgument(final char wildcard) { |
| signatureVisitor.visitTypeArgument(wildcard); |
| return this; |
| } |
| |
| @Override |
| public void visitEnd() { |
| signatureVisitor.visitEnd(); |
| classNames.remove(classNames.size() - 1); |
| } |
| } |