/src/tools/syntax/tree/liberty_ast_do_block.e

http://github.com/tybor/Liberty · Specman e · 70 lines · 46 code · 10 blank · 14 comment · 0 complexity · 91333a5b925a720d908e09734bbc36f8 MD5 · raw file

  1. -- This file is part of Liberty Eiffel.
  2. --
  3. -- Liberty Eiffel is free software: you can redistribute it and/or modify
  4. -- it under the terms of the GNU General Public License as published by
  5. -- the Free Software Foundation, version 3 of the License.
  6. --
  7. -- Liberty Eiffel is distributed in the hope that it will be useful,
  8. -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. -- GNU General Public License for more details.
  11. --
  12. -- You should have received a copy of the GNU General Public License
  13. -- along with Liberty Eiffel. If not, see <http://www.gnu.org/licenses/>.
  14. --
  15. class LIBERTY_AST_DO_BLOCK
  16. inherit
  17. LIBERTY_AST_LIST[LIBERTY_AST_INSTRUCTION]
  18. redefine
  19. possible_counts
  20. end
  21. create {LIBERTY_NODE_FACTORY}
  22. make
  23. feature {LIBERTY_AST_HANDLER}
  24. is_do: BOOLEAN is
  25. do
  26. Result := keyword.name.is_equal(once "KW do")
  27. ensure
  28. Result implies count = 3
  29. end
  30. is_once: BOOLEAN is
  31. do
  32. Result := keyword.name.is_equal(once "KW once")
  33. ensure
  34. Result implies count = 3
  35. end
  36. is_deferred: BOOLEAN is
  37. do
  38. Result := keyword.name.is_equal(once "KW deferred")
  39. ensure
  40. Result implies count = 1
  41. end
  42. is_attribute: BOOLEAN is
  43. do
  44. Result := keyword.name.is_equal(once "KW attribute")
  45. ensure
  46. Result implies count = 1
  47. end
  48. feature {}
  49. keyword: EIFFEL_TERMINAL_NODE is
  50. do
  51. Result ::= nodes.item(0)
  52. end
  53. feature {ANY}
  54. name: STRING is "Do_Block"
  55. feature {}
  56. possible_counts: SET[INTEGER] is
  57. once
  58. Result := {AVL_SET[INTEGER] << 1, 3 >> }
  59. end
  60. end