/*
* Copyright 2012, 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,
* 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 org.jf.dexlib2.immutable.instruction;
import com.google.common.collect.ImmutableList;
import org.jf.dexlib2.Format;
import org.jf.dexlib2.Opcode;
import org.jf.dexlib2.iface.instruction.Instruction;
import org.jf.dexlib2.iface.instruction.formats.ArrayPayload;
import org.jf.dexlib2.iface.instruction.formats.Instruction10t;
import org.jf.dexlib2.iface.instruction.formats.Instruction10x;
import org.jf.dexlib2.iface.instruction.formats.Instruction11n;
import org.jf.dexlib2.iface.instruction.formats.Instruction11x;
import org.jf.dexlib2.iface.instruction.formats.Instruction12x;
import org.jf.dexlib2.iface.instruction.formats.Instruction20bc;
import org.jf.dexlib2.iface.instruction.formats.Instruction20t;
import org.jf.dexlib2.iface.instruction.formats.Instruction21c;
import org.jf.dexlib2.iface.instruction.formats.Instruction21ih;
import org.jf.dexlib2.iface.instruction.formats.Instruction21lh;
import org.jf.dexlib2.iface.instruction.formats.Instruction21s;
import org.jf.dexlib2.iface.instruction.formats.Instruction21t;
import org.jf.dexlib2.iface.instruction.formats.Instruction22b;
import org.jf.dexlib2.iface.instruction.formats.Instruction22c;
import org.jf.dexlib2.iface.instruction.formats.Instruction22cs;
import org.jf.dexlib2.iface.instruction.formats.Instruction22s;
import org.jf.dexlib2.iface.instruction.formats.Instruction22t;
import org.jf.dexlib2.iface.instruction.formats.Instruction22x;
import org.jf.dexlib2.iface.instruction.formats.Instruction23x;
import org.jf.dexlib2.iface.instruction.formats.Instruction30t;
import org.jf.dexlib2.iface.instruction.formats.Instruction31c;
import org.jf.dexlib2.iface.instruction.formats.Instruction31i;
import org.jf.dexlib2.iface.instruction.formats.Instruction31t;
import org.jf.dexlib2.iface.instruction.formats.Instruction32x;
import org.jf.dexlib2.iface.instruction.formats.Instruction35c;
import org.jf.dexlib2.iface.instruction.formats.Instruction35mi;
import org.jf.dexlib2.iface.instruction.formats.Instruction35ms;
import org.jf.dexlib2.iface.instruction.formats.Instruction3rc;
import org.jf.dexlib2.iface.instruction.formats.Instruction3rmi;
import org.jf.dexlib2.iface.instruction.formats.Instruction3rms;
import org.jf.dexlib2.iface.instruction.formats.Instruction51l;
import org.jf.dexlib2.iface.instruction.formats.PackedSwitchPayload;
import org.jf.dexlib2.iface.instruction.formats.SparseSwitchPayload;
import org.jf.dexlib2.iface.instruction.formats.UnknownInstruction;
import org.jf.dexlib2.util.Preconditions;
import org.jf.util.ImmutableConverter;
import javax.annotation.Nonnull;
public abstract class ImmutableInstruction implements Instruction {
private static final ImmutableConverter<ImmutableInstruction, Instruction> CONVERTER =
new ImmutableConverter<ImmutableInstruction, Instruction>() {
@Override
protected boolean isImmutable(@Nonnull Instruction item) {
return item instanceof ImmutableInstruction;
}
@Nonnull
@Override
protected ImmutableInstruction makeImmutable(@Nonnull Instruction item) {
return ImmutableInstruction.of(item);
}
};
@Nonnull
protected final Opcode opcode;
protected ImmutableInstruction(@Nonnull Opcode opcode) {
Preconditions.checkFormat(opcode, getFormat());
this.opcode = opcode;
}
@Nonnull
public static ImmutableInstruction of(Instruction instruction) {
if (instruction instanceof ImmutableInstruction) {
return (ImmutableInstruction) instruction;
}
switch (instruction.getOpcode().format) {
case Format10t:
return ImmutableInstruction10t.of((Instruction10t) instruction);
case Format10x:
if (instruction instanceof UnknownInstruction) {
return ImmutableUnknownInstruction.of((UnknownInstruction) instruction);
}
return ImmutableInstruction10x.of((Instruction10x) instruction);
case Format11n:
return ImmutableInstruction11n.of((Instruction11n) instruction);
case Format11x:
return ImmutableInstruction11x.of((Instruction11x) instruction);
case Format12x:
return ImmutableInstruction12x.of((Instruction12x) instruction);
case Format20bc:
return ImmutableInstruction20bc.of((Instruction20bc) instruction);
case Format20t:
return ImmutableInstruction20t.of((Instruction20t) instruction);
case Format21c:
return ImmutableInstruction21c.of((Instruction21c) instruction);
case Format21ih:
return ImmutableInstruction21ih.of((Instruction21ih) instruction);
case Format21lh:
return ImmutableInstruction21lh.of((Instruction21lh) instruction);
case Format21s:
return ImmutableInstruction21s.of((Instruction21s) instruction);
case Format21t:
return ImmutableInstruction21t.of((Instruction21t) instruction);
case Format22b:
return ImmutableInstruction22b.of((Instruction22b) instruction);
case Format22c:
return ImmutableInstruction22c.of((Instruction22c) instruction);
case Format22cs:
return ImmutableInstruction22cs.of((Instruction22cs) instruction);
case Format22s:
return ImmutableInstruction22s.of((Instruction22s) instruction);
case Format22t:
return ImmutableInstruction22t.of((Instruction22t) instruction);
case Format22x:
return ImmutableInstruction22x.of((Instruction22x) instruction);
case Format23x:
return ImmutableInstruction23x.of((Instruction23x) instruction);
case Format30t:
return ImmutableInstruction30t.of((Instruction30t) instruction);
case Format31c:
return ImmutableInstruction31c.of((Instruction31c) instruction);
case Format31i:
return ImmutableInstruction31i.of((Instruction31i) instruction);
case Format31t:
return ImmutableInstruction31t.of((Instruction31t) instruction);
case Format32x:
return ImmutableInstruction32x.of((Instruction32x) instruction);
case Format35c:
return ImmutableInstruction35c.of((Instruction35c) instruction);
case Format35mi:
return ImmutableInstruction35mi.of((Instruction35mi) instruction);
case Format35ms:
return ImmutableInstruction35ms.of((Instruction35ms) instruction);
case Format3rc:
return ImmutableInstruction3rc.of((Instruction3rc) instruction);
case Format3rmi:
return ImmutableInstruction3rmi.of((Instruction3rmi) instruction);
case Format3rms:
return ImmutableInstruction3rms.of((Instruction3rms) instruction);
case Format51l:
return ImmutableInstruction51l.of((Instruction51l) instruction);
case PackedSwitchPayload:
return ImmutablePackedSwitchPayload.of((PackedSwitchPayload) instruction);
case SparseSwitchPayload:
return ImmutableSparseSwitchPayload.of((SparseSwitchPayload) instruction);
case ArrayPayload:
return ImmutableArrayPayload.of((ArrayPayload) instruction);
default:
throw new RuntimeException("Unexpected instruction type");
}
}
@Nonnull
public static ImmutableList<ImmutableInstruction> immutableListOf(Iterable<? extends Instruction> list) {
return CONVERTER.toList(list);
}
@Nonnull
public Opcode getOpcode() {
return opcode;
}
public abstract Format getFormat();
public int getCodeUnits() {
return getFormat().size / 2;
}
}