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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- G N A T . S P E L L I N G _ C H E C K E R _ G E N E R I C --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 1998-2018, AdaCore --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- Spelling checker
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33
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34 -- This package provides a utility generic routine for checking for bad
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35 -- spellings. This routine must be instantiated with an appropriate array
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36 -- element type, which must represent a character encoding in which the
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37 -- codes for ASCII characters in the range 16#20#..16#7F# have their normal
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38 -- expected encoding values (e.g. the Pos value 16#31# must be digit 1).
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39
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40 pragma Compiler_Unit_Warning;
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41
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42 package GNAT.Spelling_Checker_Generic is
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43 pragma Pure;
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44
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45 generic
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46 type Char_Type is (<>);
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47 -- See above for restrictions on what types can be used here
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48
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49 type String_Type is array (Positive range <>) of Char_Type;
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50
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51 function Is_Bad_Spelling_Of
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52 (Found : String_Type;
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53 Expect : String_Type) return Boolean;
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54 -- Determines if the string Found is a plausible misspelling of the string
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55 -- Expect. Returns True for an exact match or a probably misspelling, False
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56 -- if no near match is detected. This routine is case sensitive, so the
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57 -- caller should fold both strings to get a case insensitive match if the
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58 -- character encoding represents upper/lower case.
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59 --
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60 -- Note: the spec of this routine is deliberately rather vague. This
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61 -- routine is the one used by GNAT itself to detect misspelled keywords
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62 -- and identifiers, and is heuristically adjusted to be appropriate to
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63 -- this usage. It will work well in any similar case of named entities.
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64
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65 end GNAT.Spelling_Checker_Generic;
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