content: /*
   * 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.taobao.android.dx.dex.code.form;
  
  import com.taobao.android.dx.dex.code.DalvInsn;
  import com.taobao.android.dx.dex.code.InsnFormat;
  import com.taobao.android.dx.dex.code.SimpleInsn;
  import com.taobao.android.dx.util.AnnotatedOutput;
  
  /**
   * Instruction format {@code 10x}. See the instruction format spec
   * for details.
   */
  public final class Form10x extends InsnFormat {
      /** {@code non-null;} unique instance of this class */
      public static final InsnFormat THE_ONE = new Form10x();
  
      /**
       * Constructs an instance. This class is not publicly
       * instantiable. Use {@link #THE_ONE}.
       */
      private Form10x() {
          // This space intentionally left blank.
      }
  
      /** {@inheritDoc} */
      @Override
      public String insnArgString(DalvInsn insn) {
          // This format has no arguments.
          return "";
      }
  
      /** {@inheritDoc} */
      @Override
      public String insnCommentString(DalvInsn insn, boolean noteIndices) {
          // This format has no comment.
          return "";
      }
  
      /** {@inheritDoc} */
      @Override
      public int codeSize() {
          return 1;
      }
  
      /** {@inheritDoc} */
      @Override
      public boolean isCompatible(DalvInsn insn) {
          return (insn instanceof SimpleInsn) &&
              (insn.getRegisters().size() == 0);
      }
  
      /** {@inheritDoc} */
      @Override
      public void writeTo(AnnotatedOutput out, DalvInsn insn) {
          write(out, opcodeUnit(insn, 0));
      }
  }
  