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

http://testability-explorer.googlecode.com/ · Java · 59 lines · 35 code · 9 blank · 15 comment · 2 complexity · fdcbe8711c2ea1495098c02017c6e010 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.FieldInfo;
  19. import com.google.test.metric.JavaType;
  20. import com.google.test.metric.Variable;
  21. import com.google.test.metric.method.op.turing.FieldAssignment;
  22. import com.google.test.metric.method.op.turing.Operation;
  23. public class PutField extends StackOperation {
  24. private final FieldInfo fieldInfo;
  25. public PutField(int lineNumber, FieldInfo fieldInfo) {
  26. super(lineNumber);
  27. this.fieldInfo = fieldInfo;
  28. }
  29. @Override
  30. public String toString() {
  31. return "put " + (fieldInfo.isGlobal() ? "static " : "") + fieldInfo;
  32. }
  33. @Override
  34. public int getOperatorCount() {
  35. int valueCount = JavaType.isDoubleSlot(fieldInfo.getType()) ? 2 : 1;
  36. int fieldThis = fieldInfo.isGlobal() ? 0 : 1;
  37. return valueCount + fieldThis;
  38. }
  39. @Override
  40. public Operation toOperation(List<Variable> input) {
  41. if (fieldInfo.isGlobal()) {
  42. Variable value = input.get(0);
  43. return new FieldAssignment(lineNumber, null, fieldInfo, value);
  44. } else {
  45. Variable instance = input.get(0);
  46. Variable value = input.get(1);
  47. return new FieldAssignment(lineNumber, instance, fieldInfo, value);
  48. }
  49. }
  50. }