| /*** |
| * 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.persistence.internal.libraries.asm.commons; |
| |
| import org.eclipse.persistence.internal.libraries.asm.AnnotationVisitor; |
| import org.eclipse.persistence.internal.libraries.asm.Handle; |
| import org.eclipse.persistence.internal.libraries.asm.Label; |
| import org.eclipse.persistence.internal.libraries.asm.MethodVisitor; |
| import org.eclipse.persistence.internal.libraries.asm.Opcodes; |
| import org.eclipse.persistence.internal.libraries.asm.TypePath; |
| |
| /** |
| * A {@link LocalVariablesSorter} for type mapping. |
| * |
| * @author Eugene Kuleshov |
| */ |
| public class MethodRemapper extends MethodVisitor { |
| |
| protected final Remapper remapper; |
| |
| public MethodRemapper(final MethodVisitor mv, final Remapper remapper) { |
| this(Opcodes.ASM6, mv, remapper); |
| } |
| |
| protected MethodRemapper(final int api, final MethodVisitor mv, |
| final Remapper remapper) { |
| super(api, mv); |
| this.remapper = remapper; |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotationDefault() { |
| AnnotationVisitor av = super.visitAnnotationDefault(); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible) { |
| AnnotationVisitor av = super.visitAnnotation(remapper.mapDesc(desc), |
| visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public AnnotationVisitor visitTypeAnnotation(int typeRef, |
| TypePath typePath, String desc, boolean visible) { |
| AnnotationVisitor av = super.visitTypeAnnotation(typeRef, typePath, |
| remapper.mapDesc(desc), visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public AnnotationVisitor visitParameterAnnotation(int parameter, |
| String desc, boolean visible) { |
| AnnotationVisitor av = super.visitParameterAnnotation(parameter, |
| remapper.mapDesc(desc), visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public void visitFrame(int type, int nLocal, Object[] local, int nStack, |
| Object[] stack) { |
| super.visitFrame(type, nLocal, remapEntries(nLocal, local), nStack, |
| remapEntries(nStack, stack)); |
| } |
| |
| private Object[] remapEntries(int n, Object[] entries) { |
| for (int i = 0; i < n; i++) { |
| if (entries[i] instanceof String) { |
| Object[] newEntries = new Object[n]; |
| if (i > 0) { |
| System.arraycopy(entries, 0, newEntries, 0, i); |
| } |
| do { |
| Object t = entries[i]; |
| newEntries[i++] = t instanceof String ? remapper |
| .mapType((String) t) : t; |
| } while (i < n); |
| return newEntries; |
| } |
| } |
| return entries; |
| } |
| |
| @Override |
| public void visitFieldInsn(int opcode, String owner, String name, |
| String desc) { |
| super.visitFieldInsn(opcode, remapper.mapType(owner), |
| remapper.mapFieldName(owner, name, desc), |
| remapper.mapDesc(desc)); |
| } |
| |
| @Deprecated |
| @Override |
| public void visitMethodInsn(final int opcode, final String owner, |
| final String name, final String desc) { |
| if (api >= Opcodes.ASM5) { |
| super.visitMethodInsn(opcode, owner, name, desc); |
| return; |
| } |
| doVisitMethodInsn(opcode, owner, name, desc, |
| opcode == Opcodes.INVOKEINTERFACE); |
| } |
| |
| @Override |
| public void visitMethodInsn(final int opcode, final String owner, |
| final String name, final String desc, final boolean itf) { |
| if (api < Opcodes.ASM5) { |
| super.visitMethodInsn(opcode, owner, name, desc, itf); |
| return; |
| } |
| doVisitMethodInsn(opcode, owner, name, desc, itf); |
| } |
| |
| private void doVisitMethodInsn(int opcode, String owner, String name, |
| String desc, boolean itf) { |
| // Calling super.visitMethodInsn requires to call the correct version |
| // depending on this.api (otherwise infinite loops can occur). To |
| // simplify and to make it easier to automatically remove the backward |
| // compatibility code, we inline the code of the overridden method here. |
| // IMPORTANT: THIS ASSUMES THAT visitMethodInsn IS NOT OVERRIDDEN IN |
| // LocalVariableSorter. |
| if (mv != null) { |
| mv.visitMethodInsn(opcode, remapper.mapType(owner), |
| remapper.mapMethodName(owner, name, desc), |
| remapper.mapMethodDesc(desc), itf); |
| } |
| } |
| |
| @Override |
| public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, |
| Object... bsmArgs) { |
| for (int i = 0; i < bsmArgs.length; i++) { |
| bsmArgs[i] = remapper.mapValue(bsmArgs[i]); |
| } |
| super.visitInvokeDynamicInsn( |
| remapper.mapInvokeDynamicMethodName(name, desc), |
| remapper.mapMethodDesc(desc), (Handle) remapper.mapValue(bsm), |
| bsmArgs); |
| } |
| |
| @Override |
| public void visitTypeInsn(int opcode, String type) { |
| super.visitTypeInsn(opcode, remapper.mapType(type)); |
| } |
| |
| @Override |
| public void visitLdcInsn(Object cst) { |
| super.visitLdcInsn(remapper.mapValue(cst)); |
| } |
| |
| @Override |
| public void visitMultiANewArrayInsn(String desc, int dims) { |
| super.visitMultiANewArrayInsn(remapper.mapDesc(desc), dims); |
| } |
| |
| @Override |
| public AnnotationVisitor visitInsnAnnotation(int typeRef, |
| TypePath typePath, String desc, boolean visible) { |
| AnnotationVisitor av = super.visitInsnAnnotation(typeRef, typePath, |
| remapper.mapDesc(desc), visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public void visitTryCatchBlock(Label start, Label end, Label handler, |
| String type) { |
| super.visitTryCatchBlock(start, end, handler, type == null ? null |
| : remapper.mapType(type)); |
| } |
| |
| @Override |
| public AnnotationVisitor visitTryCatchAnnotation(int typeRef, |
| TypePath typePath, String desc, boolean visible) { |
| AnnotationVisitor av = super.visitTryCatchAnnotation(typeRef, typePath, |
| remapper.mapDesc(desc), visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| |
| @Override |
| public void visitLocalVariable(String name, String desc, String signature, |
| Label start, Label end, int index) { |
| super.visitLocalVariable(name, remapper.mapDesc(desc), |
| remapper.mapSignature(signature, true), start, end, index); |
| } |
| |
| @Override |
| public AnnotationVisitor visitLocalVariableAnnotation(int typeRef, |
| TypePath typePath, Label[] start, Label[] end, int[] index, |
| String desc, boolean visible) { |
| AnnotationVisitor av = super.visitLocalVariableAnnotation(typeRef, |
| typePath, start, end, index, remapper.mapDesc(desc), visible); |
| return av == null ? av : new AnnotationRemapper(av, remapper); |
| } |
| } |