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/*
* Copyright 2012, Google LLC
*
* 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 LLC 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 com.android.tools.smali.dexlib2.immutable.instruction;
import com.android.tools.smali.dexlib2.Format;
import com.android.tools.smali.dexlib2.Opcode;
import com.android.tools.smali.dexlib2.util.Preconditions;
import com.android.tools.smali.util.ImmutableUtils;
import com.google.common.collect.ImmutableList;
import com.android.tools.smali.dexlib2.iface.instruction.formats.ArrayPayload;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
public class ImmutableArrayPayload extends ImmutableInstruction implements ArrayPayload {
public static final Opcode OPCODE = Opcode.ARRAY_PAYLOAD;
protected final int elementWidth;
@Nonnull protected final ImmutableList<Number> arrayElements;
public ImmutableArrayPayload(int elementWidth,
@Nullable List<Number> arrayElements) {
super(OPCODE);
this.elementWidth = Preconditions.checkArrayPayloadElementWidth(elementWidth);
this.arrayElements = Preconditions.checkArrayPayloadElements(elementWidth,
arrayElements==null ? ImmutableList.<Number>of() : ImmutableList.copyOf(arrayElements));
}
public ImmutableArrayPayload(int elementWidth,
@Nullable ImmutableList<Number> arrayElements) {
super(OPCODE);
this.elementWidth = Preconditions.checkArrayPayloadElementWidth(elementWidth);
this.arrayElements = Preconditions.checkArrayPayloadElements(elementWidth, ImmutableUtils.nullToEmptyList(arrayElements));
}
@Nonnull
public static ImmutableArrayPayload of(ArrayPayload instruction) {
if (instruction instanceof ImmutableArrayPayload) {
return (ImmutableArrayPayload)instruction;
}
return new ImmutableArrayPayload(
instruction.getElementWidth(),
instruction.getArrayElements());
}
@Override public int getElementWidth() { return elementWidth; }
@Nonnull @Override public List<Number> getArrayElements() { return arrayElements; }
@Override public int getCodeUnits() { return 4 + (elementWidth * arrayElements.size() + 1) / 2; }
@Override public Format getFormat() { return OPCODE.format; }
}
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