/src/tools/syntax/tree/liberty_ast_type_parameter.e

http://github.com/tybor/Liberty · Specman e · 58 lines · 35 code · 9 blank · 14 comment · 0 complexity · f5ef07be00b8908f1764d8d9c3ffdab4 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_TYPE_PARAMETER
  16. inherit
  17. LIBERTY_AST_NON_TERMINAL_NODE
  18. create {LIBERTY_NODE_FACTORY}
  19. make
  20. feature {LIBERTY_AST_HANDLER}
  21. class_name: LIBERTY_AST_CLASS_NAME is
  22. do
  23. Result ::= nodes.item(0)
  24. end
  25. has_constraint: BOOLEAN is
  26. do
  27. Result := count = 3
  28. check
  29. Result implies nodes.item(2).name.is_equal(once "Type_Definition")
  30. end
  31. end
  32. constraint: LIBERTY_AST_TYPE_DEFINITION is
  33. require
  34. has_constraint
  35. do
  36. Result ::= nodes.item(2)
  37. end
  38. feature {ANY}
  39. count: INTEGER is
  40. do
  41. Result := nodes.count
  42. end
  43. name: STRING is "Type_Parameter"
  44. feature {}
  45. possible_counts: SET[INTEGER] is
  46. once
  47. Result := {AVL_SET[INTEGER] << 1, 3 >> }
  48. end
  49. end