/*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jf.dexlib2.rewriter;
import org.jf.dexlib2.DebugItemType;
import org.jf.dexlib2.iface.debug.*;
import org.jf.dexlib2.iface.reference.StringReference;
import org.jf.dexlib2.iface.reference.TypeReference;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class DebugItemRewriter implements Rewriter<DebugItem> {
@Nonnull protected final Rewriters rewriters;
public DebugItemRewriter(@Nonnull Rewriters rewriters) {
this.rewriters = rewriters;
}
@Nonnull @Override public DebugItem rewrite(@Nonnull DebugItem value) {
switch (value.getDebugItemType()) {
case DebugItemType.START_LOCAL:
return new RewrittenStartLocal((StartLocal)value);
case DebugItemType.END_LOCAL:
return new RewrittenEndLocal((EndLocal)value);
case DebugItemType.RESTART_LOCAL:
return new RewrittenRestartLocal((RestartLocal)value);
default:
return value;
}
}
protected class BaseRewrittenLocalInfoDebugItem<T extends DebugItem & LocalInfo> implements DebugItem, LocalInfo {
@Nonnull protected T debugItem;
public BaseRewrittenLocalInfoDebugItem (@Nonnull T debugItem) {
this.debugItem = debugItem;
}
@Override public int getDebugItemType() {
return debugItem.getDebugItemType();
}
@Override public int getCodeAddress() {
return debugItem.getCodeAddress();
}
@Override @Nullable public String getName() {
return debugItem.getName();
}
@Override @Nullable public String getType() {
return RewriterUtils.rewriteNullable(rewriters.getTypeRewriter(), debugItem.getType());
}
@Override @Nullable public String getSignature() {
return debugItem.getSignature();
}
}
protected class RewrittenStartLocal extends BaseRewrittenLocalInfoDebugItem<StartLocal> implements StartLocal {
public RewrittenStartLocal(@Nonnull StartLocal debugItem) {
super(debugItem);
}
@Override public int getRegister() {
return debugItem.getRegister();
}
@Override @Nullable public StringReference getNameReference() {
return debugItem.getNameReference();
}
@Override @Nullable public TypeReference getTypeReference() {
TypeReference typeReference = debugItem.getTypeReference();
if (typeReference == null) {
return null;
}
return RewriterUtils.rewriteTypeReference(rewriters.getTypeRewriter(), typeReference);
}
@Override @Nullable public StringReference getSignatureReference() {
return debugItem.getSignatureReference();
}
}
protected class RewrittenEndLocal extends BaseRewrittenLocalInfoDebugItem<EndLocal> implements EndLocal {
public RewrittenEndLocal(@Nonnull EndLocal instruction) {
super(instruction);
}
public int getRegister() {
return debugItem.getRegister();
}
}
protected class RewrittenRestartLocal extends BaseRewrittenLocalInfoDebugItem<RestartLocal>
implements RestartLocal {
public RewrittenRestartLocal(@Nonnull RestartLocal instruction) {
super(instruction);
}
public int getRegister() {
return debugItem.getRegister();
}
}
}