/interpreter/tags/at2-build270707/src/edu/vub/at/objects/grammar/ATMessageCreation.java

http://ambienttalk.googlecode.com/ · Java · 63 lines · 7 code · 6 blank · 50 comment · 0 complexity · b86998eaab1270fc7639630020847a94 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * ATMessageCreation.java created on 26-jul-2006 at 15:08:00
  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.objects.grammar;
  29. import edu.vub.at.objects.ATTable;
  30. /**
  31. * The public interface to a first-class message AG element.
  32. * An ATMessageCreation may represent synchronous, asynchronous or delegation messages.
  33. * An abstract message at least contains a selector, arguments and annotations (type tags)
  34. *
  35. * @author tvcutsem
  36. */
  37. public interface ATMessageCreation extends ATExpression {
  38. /**
  39. * Messages always have a selector, a symbol denoting the field or method that
  40. * needs to be sought for.
  41. * Example: <code>`(<-m()).selector == `m</code>
  42. * @return a symbol denoting the selector
  43. */
  44. public ATSymbol base_selector();
  45. /**
  46. * Messages may optionally have arguments if they represent invocations.
  47. * Splicing is allowed in the argument list
  48. * Example: <code>`(<-m(a, @b)).arguments == `[a, @b]</code>
  49. * @return the arguments passed to the invocation
  50. */
  51. public ATTable base_arguments();
  52. /**
  53. * Messages may optionally have annotations (type tags)
  54. * @return the annotations of the message
  55. */
  56. public ATExpression base_annotations();
  57. }