gcc/ada/g-u3spch.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --          G N A T . U T F _ 3 2 _ S P E L L I N G _ C H E C K E R         --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                     Copyright (C) 1998-2013, AdaCore                     --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 --  Spelling checker
  33
  34 --  This package provides a utility routine for checking for bad spellings
  35 --  for the case of System.WCh_Cnv.UTF_32_String arguments.
  36
  37 pragma Compiler_Unit_Warning;
  38
  39 with System.WCh_Cnv;
  40
  41 package GNAT.UTF_32_Spelling_Checker is
  42    pragma Pure;
  43
  44    function Is_Bad_Spelling_Of
  45      (Found  : System.WCh_Cnv.UTF_32_String;
  46       Expect : System.WCh_Cnv.UTF_32_String) return Boolean;
  47    --  Determines if the string Found is a plausible misspelling of the string
  48    --  Expect. Returns True for an exact match or a probably misspelling, False
  49    --  if no near match is detected. This routine is case sensitive, so the
  50    --  caller should fold both strings to get a case insensitive match.
  51    --
  52    --  Note: the spec of this routine is deliberately rather vague. It is used
  53    --  by GNAT itself to detect misspelled keywords and identifiers, and is
  54    --  heuristically adjusted to be appropriate to this usage. It will work
  55    --  well in any similar case of named entities.
  56
  57 end GNAT.UTF_32_Spelling_Checker;