/interpreter/tags/at2dist220411/src/edu/vub/at/objects/natives/grammar/AGExpression.java

http://ambienttalk.googlecode.com/ · Java · 62 lines · 23 code · 7 blank · 32 comment · 0 complexity · a103ee2a2c619708bf3ebf46e82005b8 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * AGExpression.java created on 31-jul-2006 at 15:28:56
  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.exceptions.XSerializationError;
  31. import edu.vub.at.objects.ATTable;
  32. import edu.vub.at.objects.coercion.NativeTypeTags;
  33. import edu.vub.at.objects.grammar.ATExpression;
  34. import edu.vub.at.objects.grammar.ATStatement;
  35. import edu.vub.at.objects.natives.NATTable;
  36. import edu.vub.at.objects.natives.NATText;
  37. import edu.vub.util.TempFieldGenerator;
  38. /**
  39. * The common interface of all AGExpression abstract grammar elements.
  40. *
  41. * @author tvcutsem
  42. */
  43. public abstract class AGExpression extends NATAbstractGrammar implements ATExpression {
  44. public ATExpression asExpression() { return this; }
  45. public ATTable meta_typeTags() throws InterpreterException {
  46. return NATTable.of(NativeTypeTags._EXPRESSION_, NativeTypeTags._ISOLATE_);
  47. }
  48. public NATText impl_asCode(TempFieldGenerator objectMap) throws InterpreterException {
  49. NATText code = this.impl_asUnquotedCode(objectMap);
  50. return NATText.atValue("`(" + code.javaValue + ")");
  51. }
  52. public NATText impl_asUnquotedCode(TempFieldGenerator objectMap) throws InterpreterException {
  53. return this.impl_asCode(objectMap);
  54. }
  55. }