/interpreter/tags/at_build150307/src/edu/vub/at/objects/natives/grammar/AGMethodInvocationCreation.java

http://ambienttalk.googlecode.com/ · Java · 69 lines · 21 code · 7 blank · 41 comment · 0 complexity · 9c71262aaffe9f3a3cd897325746b403 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * AGMethodInvocationCreation.java created on 26-jul-2006 at 16:18:10
  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.eval.Evaluator;
  30. import edu.vub.at.exceptions.InterpreterException;
  31. import edu.vub.at.objects.ATContext;
  32. import edu.vub.at.objects.ATObject;
  33. import edu.vub.at.objects.ATTable;
  34. import edu.vub.at.objects.grammar.ATSymbol;
  35. import edu.vub.at.objects.natives.NATMethodInvocation;
  36. /**
  37. * @author tvcutsem
  38. *
  39. * The native implementation of a first-class message creation AG element.
  40. */
  41. public final class AGMethodInvocationCreation extends AGMessageCreation {
  42. public AGMethodInvocationCreation(ATSymbol sel, ATTable args) {
  43. super(sel, args);
  44. }
  45. /**
  46. * To evaluate a first-class synchronous message creation AG element, transform the selector
  47. * and evaluated arguments into a first-class MethodInvocation.
  48. * It is important to note that the arguments are all eagerly evaluated.
  49. *
  50. * AGMSG(sel,arg).eval(ctx) = NATMSG(sel, map eval(ctx) over arg )
  51. *
  52. * @return a first-class method invocation
  53. */
  54. public ATObject meta_eval(ATContext ctx) throws InterpreterException {
  55. return new NATMethodInvocation(this.base_getSelector(),
  56. Evaluator.evaluateArguments(this.base_getArguments().asNativeTable(), ctx));
  57. }
  58. protected ATObject newQuoted(ATSymbol quotedSel, ATTable quotedArgs) {
  59. return new AGMethodInvocationCreation(quotedSel, quotedArgs);
  60. }
  61. protected String getMessageToken() { return "."; }
  62. }