/*
 * Copyright 2007 Google Inc.
 *
 * 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.google.test.metric.method.op.stack;

import java.util.List;

import com.google.test.metric.JavaType;
import com.google.test.metric.Type;
import com.google.test.metric.Variable;
import com.google.test.metric.method.op.turing.ArrayAssignment;
import com.google.test.metric.method.op.turing.Operation;

public class ArrayStore extends StackOperation {

  private final Type type;

  public ArrayStore(int lineNumber, Type type) {
    super(lineNumber);
    this.type = type;
  }

  @Override
  public int getOperatorCount() {
    return 2 + (JavaType.isDoubleSlot(type) ? 2 : 1);
  }

  @Override
  public Operation toOperation(List<Variable> input) {
    if (!input.get(0).getType().isObject()) {
      throw new IllegalStateException();
    }
    Variable array = input.get(0);
    Variable index = input.get(1);
    Variable value = input.get(2);
    return new ArrayAssignment(lineNumber, array, index, value);
  }

  @Override
  public String toString() {
    return "arraystore";
  }

}