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*
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* notice, this list of conditions and the following disclaimer.
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* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
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* contributors may be used to endorse or promote products derived from
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*
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package org.jf.dexlib2.immutable;
import com.google.common.collect.ImmutableList;
import org.jf.dexlib2.iface.ExceptionHandler;
import org.jf.dexlib2.iface.MethodImplementation;
import org.jf.dexlib2.iface.TryBlock;
import org.jf.dexlib2.iface.debug.DebugItem;
import org.jf.dexlib2.iface.instruction.Instruction;
import org.jf.dexlib2.immutable.debug.ImmutableDebugItem;
import org.jf.dexlib2.immutable.instruction.ImmutableInstruction;
import org.jf.util.ImmutableUtils;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
public class ImmutableMethodImplementation implements MethodImplementation {
protected final int registerCount;
@Nonnull protected final ImmutableList<? extends ImmutableInstruction> instructions;
@Nonnull protected final ImmutableList<? extends ImmutableTryBlock> tryBlocks;
@Nonnull protected final ImmutableList<? extends ImmutableDebugItem> debugItems;
public ImmutableMethodImplementation(int registerCount,
@Nullable Iterable<? extends Instruction> instructions,
@Nullable List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks,
@Nullable Iterable<? extends DebugItem> debugItems) {
this.registerCount = registerCount;
this.instructions = ImmutableInstruction.immutableListOf(instructions);
this.tryBlocks = ImmutableTryBlock.immutableListOf(tryBlocks);
this.debugItems = ImmutableDebugItem.immutableListOf(debugItems);
}
public ImmutableMethodImplementation(int registerCount,
@Nullable ImmutableList<? extends ImmutableInstruction> instructions,
@Nullable ImmutableList<? extends ImmutableTryBlock> tryBlocks,
@Nullable ImmutableList<? extends ImmutableDebugItem> debugItems) {
this.registerCount = registerCount;
this.instructions = ImmutableUtils.nullToEmptyList(instructions);
this.tryBlocks = ImmutableUtils.nullToEmptyList(tryBlocks);
this.debugItems = ImmutableUtils.nullToEmptyList(debugItems);
}
@Nullable
public static ImmutableMethodImplementation of(@Nullable MethodImplementation methodImplementation) {
if (methodImplementation == null) {
return null;
}
if (methodImplementation instanceof ImmutableMethodImplementation) {
return (ImmutableMethodImplementation)methodImplementation;
}
return new ImmutableMethodImplementation(
methodImplementation.getRegisterCount(),
methodImplementation.getInstructions(),
methodImplementation.getTryBlocks(),
methodImplementation.getDebugItems());
}
@Override public int getRegisterCount() { return registerCount; }
@Nonnull @Override public ImmutableList<? extends ImmutableInstruction> getInstructions() { return instructions; }
@Nonnull @Override public ImmutableList<? extends ImmutableTryBlock> getTryBlocks() { return tryBlocks; }
@Nonnull @Override public ImmutableList<? extends ImmutableDebugItem> getDebugItems() { return debugItems; }
}