/src/lib/backtracking/node/backtracking_node_or_pair.e

http://github.com/tybor/Liberty · Specman e · 54 lines · 21 code · 5 blank · 28 comment · 0 complexity · 439952822c997b68e638cc60820f6a84 MD5 · raw file

  1. -- This file is part of a Liberty Eiffel library.
  2. -- See the full copyright at the end.
  3. --
  4. class BACKTRACKING_NODE_OR_PAIR
  5. --
  6. -- Node for an alternative of 2 nodes
  7. --
  8. inherit
  9. BACKTRACKING_NODE_BINARY
  10. create {ANY}
  11. make
  12. feature {ANY}
  13. explore (explorer: BACKTRACKING)
  14. do
  15. -- Tell to evaluate 'first' now.
  16. explorer.set_current_node(first)
  17. -- Push 'second' in front of the possible alternatives.
  18. explorer.push_or(second)
  19. end
  20. feature {}
  21. do_fill_tagged_out_memory
  22. do
  23. tagged_out_memory.append(once "(")
  24. first.fill_tagged_out_memory
  25. tagged_out_memory.append(once ") or (")
  26. second.fill_tagged_out_memory
  27. tagged_out_memory.append(once ")")
  28. end
  29. end -- class BACKTRACKING_NODE_OR_PAIR
  30. --
  31. -- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
  32. --
  33. -- Permission is hereby granted, free of charge, to any person obtaining a copy
  34. -- of this software and associated documentation files (the "Software"), to deal
  35. -- in the Software without restriction, including without limitation the rights
  36. -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  37. -- copies of the Software, and to permit persons to whom the Software is
  38. -- furnished to do so, subject to the following conditions:
  39. --
  40. -- The above copyright notice and this permission notice shall be included in
  41. -- all copies or substantial portions of the Software.
  42. --
  43. -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  44. -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  45. -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  46. -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  47. -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  48. -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  49. -- THE SOFTWARE.