| /* |
| * Copyright (C) 2007 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.code.form; |
| |
| import com.android.dx.dex.code.DalvInsn; |
| import com.android.dx.dex.code.DalvOps; |
| import com.android.dx.dex.code.InsnFormat; |
| import com.android.dx.util.AnnotatedOutput; |
| |
| /** |
| * Instruction format for nonstandard format instructions, which aren't |
| * generally real instructions but do end up appearing in instruction |
| * lists. Most of the overridden methods on this class end up throwing |
| * exceptions, as code should know (implicitly or explicitly) to avoid |
| * using this class. The one exception is {@link #isCompatible}, which |
| * always returns {@code true}. |
| */ |
| public final class SpecialFormat extends InsnFormat { |
| /** {@code non-null;} unique instance of this class */ |
| public static final InsnFormat THE_ONE = new SpecialFormat(); |
| |
| /** |
| * Constructs an instance. This class is not publicly |
| * instantiable. Use {@link #THE_ONE}. |
| */ |
| private SpecialFormat() { |
| // This space intentionally left blank. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String insnArgString(DalvInsn insn) { |
| throw new RuntimeException("unsupported"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String insnCommentString(DalvInsn insn, boolean noteIndices) { |
| throw new RuntimeException("unsupported"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int codeSize() { |
| throw new RuntimeException("unsupported"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean isCompatible(DalvInsn insn) { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public InsnFormat nextUp() { |
| throw new RuntimeException("unsupported"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void writeTo(AnnotatedOutput out, DalvInsn insn) { |
| throw new RuntimeException("unsupported"); |
| } |
| } |