com.android.dx.dex.file.CallSiteIdItem Maven / Gradle / Ivy
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dx.dex.file;
import com.android.dx.rop.cst.CstCallSite;
import com.android.dx.rop.cst.CstCallSiteRef;
import com.android.dx.util.AnnotatedOutput;
import com.android.dx.util.Hex;
/**
* Representation of a call site reference in a DEX file.
*/
public final class CallSiteIdItem extends IndexedItem implements Comparable {
/** The item size when placed in a DEX file. */
private static final int ITEM_SIZE = 4;
/** {@code non-null;} The call site represented by this identifier. */
final CstCallSiteRef invokeDynamicRef;
CallSiteItem data;
/**
* Constructs an instance.
*
* @param invokeDynamicRef {@code non-null;} The call site to represent in the DEX file.
*/
public CallSiteIdItem(CstCallSiteRef invokeDynamicRef) {
this.invokeDynamicRef = invokeDynamicRef;
this.data = null;
}
/** {@inheritDoc} */
@Override
public ItemType itemType() {
return ItemType.TYPE_CALL_SITE_ID_ITEM;
}
/** {@inheritDoc} */
@Override
public int writeSize() {
return ITEM_SIZE;
}
/** {@inheritDoc} */
@Override
public void addContents(DexFile file) {
CstCallSite callSite = invokeDynamicRef.getCallSite();
CallSiteIdsSection callSiteIds = file.getCallSiteIds();
CallSiteItem callSiteItem = callSiteIds.getCallSiteItem(callSite);
if (callSiteItem == null) {
MixedItemSection byteData = file.getByteData();
callSiteItem = new CallSiteItem(callSite);
byteData.add(callSiteItem);
callSiteIds.addCallSiteItem(callSite, callSiteItem);
}
this.data = callSiteItem;
}
/** {@inheritDoc} */
@Override
public void writeTo(DexFile file, AnnotatedOutput out) {
int offset = data.getAbsoluteOffset();
if (out.annotates()) {
out.annotate(0, indexString() + ' ' + invokeDynamicRef.toString());
out.annotate(4, "call_site_off: " + Hex.u4(offset));
}
out.writeInt(offset);
}
/** {@inheritDoc} */
@Override
public int compareTo(Object o) {
CallSiteIdItem other = (CallSiteIdItem) o;
return invokeDynamicRef.compareTo(other.invokeDynamicRef);
}
}