/testability-explorer/src/main/java/com/google/test/metric/method/op/stack/Swap.java

http://testability-explorer.googlecode.com/ · Java · 42 lines · 20 code · 7 blank · 15 comment · 0 complexity · ddedeb3a63299a2f4458c2615340d471 MD5 · raw file

  1. /*
  2. * Copyright 2007 Google Inc.
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  5. * use this file except in compliance with the License. You may obtain a copy of
  6. * the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13. * License for the specific language governing permissions and limitations under
  14. * the License.
  15. */
  16. package com.google.test.metric.method.op.stack;
  17. import java.util.List;
  18. import com.google.test.metric.Variable;
  19. public class Swap extends StackOperation {
  20. public Swap(int lineNumber) {
  21. super(lineNumber);
  22. }
  23. @Override
  24. public int getOperatorCount() {
  25. return 2;
  26. }
  27. @Override
  28. public List<Variable> apply(List<Variable> input) {
  29. return list(input.get(1), input.get(0));
  30. }
  31. @Override
  32. public String toString() {
  33. return "swap";
  34. }
  35. }