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.rop.code;
  
  import com.taobao.android.dx.rop.cst.Constant;
  import com.taobao.android.dx.rop.cst.CstString;
  import com.taobao.android.dx.rop.type.Type;
  import com.taobao.android.dx.rop.type.TypeList;
  
  /**
   * Instruction which contains an explicit reference to a constant
   * and which might throw an exception.
   */
  public final class ThrowingCstInsn
          extends CstInsn {
      /** {@code non-null;} list of exceptions caught */
      private final TypeList catches;
  
      /**
       * Constructs an instance.
       *
       * @param opcode {@code non-null;} the opcode
       * @param position {@code non-null;} source position
       * @param sources {@code non-null;} specs for all the sources
       * @param catches {@code non-null;} list of exceptions caught
       * @param cst {@code non-null;} the constant
       */
      public ThrowingCstInsn(Rop opcode, SourcePosition position,
                             RegisterSpecList sources,
                             TypeList catches, Constant cst) {
          super(opcode, position, null, sources, cst);
  
          if (opcode.getBranchingness() != Rop.BRANCH_THROW) {
              throw new IllegalArgumentException("bogus branchingness");
          }
  
          if (catches == null) {
              throw new NullPointerException("catches == null");
          }
  
          this.catches = catches;
      }
  
      /** {@inheritDoc} */
      @Override
      public String getInlineString() {
          Constant cst = getConstant();
          String constantString = cst.toHuman();
          if (cst instanceof CstString) {
              constantString = ((CstString) cst).toQuoted();
          }
          return constantString + " " + ThrowingInsn.toCatchString(catches);
      }
  
      /** {@inheritDoc} */
      @Override
      public TypeList getCatches() {
          return catches;
      }
  
      /** {@inheritDoc} */
      @Override
      public void accept(Visitor visitor) {
          visitor.visitThrowingCstInsn(this);
      }
  
      /** {@inheritDoc} */
      @Override
      public Insn withAddedCatch(Type type) {
          return new ThrowingCstInsn(getOpcode(), getPosition(),
                                     getSources(), catches.withAddedType(type),
                                     getConstant());
      }
  
      /** {@inheritDoc} */
      @Override
      public Insn withRegisterOffset(int delta) {
          return new ThrowingCstInsn(getOpcode(), getPosition(),
                                     getSources().withOffset(delta),
                                     catches,
                                     getConstant());
      }
  
      /** {@inheritDoc} */
      @Override
      public Insn withNewRegisters(RegisterSpec result,
              RegisterSpecList sources) {
  
          return new ThrowingCstInsn(getOpcode(), getPosition(),
                                     sources,
                                     catches,
                                     getConstant());
      }
  
  
  }
  