/interpreter/tags/at2dist130208/src/edu/vub/at/exceptions/XDuplicateSlot.java

http://ambienttalk.googlecode.com/ · Java · 67 lines · 18 code · 9 blank · 40 comment · 0 complexity · 45ea4773b4e36f5eb56551b74b53ca2e 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.ATTypeTag;
  30. import edu.vub.at.objects.coercion.NativeTypeTags;
  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. private final ATSymbol slotName_;
  41. /**
  42. * Constructor taking the name of the duplicate slot
  43. * @param slotName the already existing slot name
  44. */
  45. public XDuplicateSlot(ATSymbol slotName) {
  46. super("Duplicate slot definition for " + slotName);
  47. slotName_ = slotName;
  48. }
  49. public ATTypeTag getType() {
  50. return NativeTypeTags._DUPLICATESLOT_;
  51. }
  52. /**
  53. * @return the already existing slot name which was being defined anew.
  54. */
  55. public ATSymbol getSlotName() {
  56. return slotName_;
  57. }
  58. }