/src/tools/syntax/tree/liberty_ast_expression_remainder.e

http://github.com/tybor/Liberty · Specman e · 47 lines · 27 code · 6 blank · 14 comment · 0 complexity · f8e57c0d53b6976421a05148c0fe07a6 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. deferred class LIBERTY_AST_EXPRESSION_REMAINDER[E_ -> LIBERTY_AST_NON_TERMINAL_NODE]
  16. inherit
  17. LIBERTY_AST_NON_TERMINAL_NODE
  18. feature {LIBERTY_AST_HANDLER}
  19. expression: E_ is
  20. require
  21. not is_empty
  22. do
  23. Result ::= nodes.item(nodes.upper-1)
  24. end
  25. remainder: like Current is
  26. require
  27. not is_empty
  28. do
  29. Result ::= nodes.last
  30. end
  31. feature {ANY}
  32. count: INTEGER is
  33. do
  34. Result := nodes.count
  35. end
  36. feature {}
  37. possible_counts: SET[INTEGER] is
  38. once
  39. Result := {AVL_SET[INTEGER] << 0, 3 >> }
  40. end
  41. end