/interpreter/tags/at2dist030708/src/edu/vub/at/exceptions/XIllegalQuote.java

http://ambienttalk.googlecode.com/ · Java · 61 lines · 13 code · 8 blank · 40 comment · 0 complexity · 4c6f02222c4d390eff80265e327067f6 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * XIllegalQuote.java created on 31-jul-2006 at 15:10:27
  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. /**
  32. * An XIllegalQuote exception is raised whenever an unquote-splice unquotation is discovered in an
  33. * AG node where the resulting table cannot be spliced. This is detected when attempting to quote
  34. * an AGUnquoteSplice. An explicit check for unquote splaces is made by grammar elements who
  35. * expect a table, such that this operation should never be used.
  36. *
  37. * @author tvc
  38. */
  39. public final class XIllegalQuote extends InterpreterException {
  40. private static final long serialVersionUID = -1407445555815270192L;
  41. private static final String _MESSAGE_ = "Illegal position for unquote-splice: ";
  42. /**
  43. * Constructor taking a String representation of the incorrectly placed unquote splice grammar element.
  44. *
  45. * @see edu.vub.at.objects.natives.grammar.AGUnquoteSplice#meta_quote(ATContext)
  46. */
  47. public XIllegalQuote(String uqsExp) {
  48. super(_MESSAGE_ + uqsExp);
  49. }
  50. public ATTypeTag getType() {
  51. return NativeTypeTags._ILLQUOTE_;
  52. }
  53. }