/interpreter/tags/at2dist110511/src/edu/vub/at/objects/natives/grammar/AGDefinition.java

http://ambienttalk.googlecode.com/ · Java · 53 lines · 11 code · 6 blank · 36 comment · 0 complexity · 424fccfb6d0a8f3a474c7ecf0fe5a8d3 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * AGDefinition.java created on 29 jul 2008 at 14:42:21
  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.natives.grammar;
  29. import edu.vub.at.exceptions.InterpreterException;
  30. import edu.vub.at.objects.grammar.ATDefinition;
  31. import edu.vub.at.objects.natives.NATText;
  32. import edu.vub.at.objects.natives.NativeATObject;
  33. import java.util.Set;
  34. /**
  35. * Common superclass for all definitional statements in the abstract grammar tree.
  36. *
  37. * @author tvcutsem
  38. */
  39. public abstract class AGDefinition extends NATAbstractGrammar implements ATDefinition {
  40. public boolean isDefinition() { return true; }
  41. public ATDefinition asDefinition() { return this; }
  42. /**
  43. * My subclasses have to provide their own implementation for this, they cannot
  44. * reuse the default implementation of {@link NativeATObject}
  45. */
  46. public abstract Set impl_introducedVariables() throws InterpreterException;
  47. }