/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2007 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 br.com.caelum.vraptor.asm.commons;
import br.com.caelum.vraptor.asm.AnnotationVisitor;
import br.com.caelum.vraptor.asm.Label;
import br.com.caelum.vraptor.asm.MethodVisitor;
/**
* A <code>MethodAdapter</code> for type mapping.
*
* @author Eugene Kuleshov
*/
public class RemappingMethodAdapter extends LocalVariablesSorter {
protected final Remapper remapper;
public RemappingMethodAdapter(final int access, final String desc, final MethodVisitor mv, final Remapper renamer) {
super(access, desc, mv);
remapper = renamer;
}
public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
super.visitFieldInsn(opcode, remapper.mapType(owner), remapper.mapFieldName(owner, name, desc),
remapper.mapDesc(desc));
}
public void visitMethodInsn(final int opcode, final String owner, final String name, final String desc) {
super.visitMethodInsn(opcode, remapper.mapType(owner), remapper.mapMethodName(owner, name, desc),
remapper.mapMethodDesc(desc));
}
public void visitTypeInsn(final int opcode, final String type) {
super.visitTypeInsn(opcode, remapper.mapType(type));
}
public void visitLdcInsn(final Object cst) {
super.visitLdcInsn(remapper.mapValue(cst));
}
public void visitMultiANewArrayInsn(final String desc, final int dims) {
super.visitMultiANewArrayInsn(remapper.mapDesc(desc), dims);
}
public void visitTryCatchBlock(final Label start, final Label end, final Label handler, final String type) {
super.visitTryCatchBlock(start, end, handler, //
type == null ? null : remapper.mapType(type));
}
@Override
public void visitLocalVariable(final String name, final String desc, final String signature, final Label start,
final Label end, final int index) {
super.visitLocalVariable(name, remapper.mapDesc(desc), remapper.mapSignature(signature, true), start, end,
index);
}
public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) {
AnnotationVisitor av = mv.visitAnnotation(desc, visible);
return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
}
public AnnotationVisitor visitAnnotationDefault() {
AnnotationVisitor av = mv.visitAnnotationDefault();
return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
}
public AnnotationVisitor visitParameterAnnotation(final int parameter, final String desc, final boolean visible) {
AnnotationVisitor av = mv.visitParameterAnnotation(parameter, desc, visible);
return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
}
@Override
public void visitFrame(final int type, final int nLocal, final Object[] local, final int nStack,
final Object[] stack) {
super.visitFrame(type, nLocal, remapEntries(nLocal, local), nStack, remapEntries(nStack, stack));
}
private Object[] remapEntries(final int n, final 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;
}
}