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// Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.code;
import com.android.tools.r8.dex.Constants;
import com.android.tools.r8.dex.IndexedItemCollection;
import com.android.tools.r8.graph.GraphLens;
import com.android.tools.r8.graph.ObjectToOffsetMapping;
import com.android.tools.r8.graph.ProgramMethod;
import com.android.tools.r8.ir.conversion.LensCodeRewriterUtils;
import com.android.tools.r8.naming.ClassNameMapper;
import com.android.tools.r8.utils.StringUtils;
import com.android.tools.r8.utils.structural.CompareToVisitor;
import com.android.tools.r8.utils.structural.StructuralSpecification;
import java.nio.ShortBuffer;
abstract class Format21s extends Base2Format {
public final short AA;
public final short BBBB;
private static void specify(StructuralSpecification<Format21s, ?> spec) {
spec.withInt(i -> i.AA).withInt(i -> i.BBBB);
}
// AA | op | #+BBBB
/*package*/ Format21s(int high, BytecodeStream stream) {
super(stream);
AA = (short) high;
BBBB = readSigned16BitValue(stream);
}
/*package*/ Format21s(int AA, int BBBB) {
assert Short.MIN_VALUE <= BBBB && BBBB <= Short.MAX_VALUE;
assert 0 <= AA && AA <= Constants.U8BIT_MAX;
this.AA = (short) AA;
this.BBBB = (short) BBBB;
}
@Override
public void write(
ShortBuffer dest,
ProgramMethod context,
GraphLens graphLens,
ObjectToOffsetMapping mapping,
LensCodeRewriterUtils rewriter) {
writeFirst(AA, dest);
write16BitValue(BBBB, dest);
}
@Override
public final int hashCode() {
return ((BBBB << 8) | AA) ^ getClass().hashCode();
}
@Override
final int internalAcceptCompareTo(Instruction other, CompareToVisitor visitor) {
return visitor.visit(this, (Format21s) other, Format21s::specify);
}
@Override
public String toString(ClassNameMapper naming) {
return formatString("v" + AA + ", #" + BBBB);
}
@Override
public String toSmaliString(ClassNameMapper naming) {
return formatSmaliString("v" + AA + ", " + StringUtils.hexString(BBBB, 4) + " # " + BBBB);
}
@Override
public void collectIndexedItems(
IndexedItemCollection indexedItems,
ProgramMethod context,
GraphLens graphLens,
LensCodeRewriterUtils rewriter) {
// No references.
}
}