/interpreter/tags/at2-build060407/src/edu/vub/at/exceptions/XDuplicateSlot.java

http://ambienttalk.googlecode.com/ · Java · 72 lines · 28 code · 11 blank · 33 comment · 2 complexity · 11de094e95eecabf5e65a4b4fe2943e1 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * XDuplicateSlot.java created on 11-aug-2006 at 14:33:12
  4. * (c) Programming Technology Lab, 2006 - 2007
  5. * Authors: Tom Van Cutsem & Stijn Mostinckx
  6. *
  7. * Permission is hereby granted, free of charge, to any person
  8. * obtaining a copy of this software and associated documentation
  9. * files (the "Software"), to deal in the Software without
  10. * restriction, including without limitation the rights to use,
  11. * copy, modify, merge, publish, distribute, sublicense, and/or
  12. * sell copies of the Software, and to permit persons to whom the
  13. * Software is furnished to do so, subject to the following
  14. * conditions:
  15. *
  16. * The above copyright notice and this permission notice shall be
  17. * included in all copies or substantial portions of the Software.
  18. *
  19. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  21. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  23. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26. * OTHER DEALINGS IN THE SOFTWARE.
  27. */
  28. package edu.vub.at.exceptions;
  29. import edu.vub.at.objects.ATStripe;
  30. import edu.vub.at.objects.coercion.NativeStripes;
  31. import edu.vub.at.objects.grammar.ATSymbol;
  32. /**
  33. * An XDuplicateSlot exception is raised when a field or a method is added to
  34. * an object that already contains a field or method with the same name.
  35. *
  36. * @author tvc
  37. */
  38. public final class XDuplicateSlot extends InterpreterException {
  39. private static final long serialVersionUID = -1256829498207088803L;
  40. public static final byte _FIELD_ = 0;
  41. public static final byte _METHOD_ = 1;
  42. private final byte slotType_;
  43. private final ATSymbol slotName_;
  44. public XDuplicateSlot(byte slotType, ATSymbol slotName) {
  45. super("Duplicate " + ((slotType == _FIELD_) ? "field" : "method") + " definition for " + slotName);
  46. slotType_ = slotType;
  47. slotName_ = slotName;
  48. }
  49. public ATStripe getStripeType() {
  50. return NativeStripes._DUPLICATESLOT_;
  51. }
  52. public ATSymbol getSlotName() {
  53. return slotName_;
  54. }
  55. public byte getSlotType() {
  56. return slotType_;
  57. }
  58. public boolean isDuplicateMethod() {
  59. return slotType_ == _METHOD_;
  60. }
  61. }