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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- M D L L . F I L E S --
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6 -- --
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7 -- B o d y --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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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. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 -- Simple services used by GNATDLL to deal with Filename extension
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27
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28 with Ada.Strings.Fixed;
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29
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30 package body MDLL.Fil is
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31
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32 use Ada;
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33
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34 -------------
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35 -- Get_Ext --
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36 -------------
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37
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38 function Get_Ext (Filename : String) return String is
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39 use Strings.Fixed;
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40 I : constant Natural := Index (Filename, ".", Strings.Backward);
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41 begin
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42 if I = 0 then
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43 return "";
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44 else
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45 return Filename (I .. Filename'Last);
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46 end if;
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47 end Get_Ext;
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48
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49 ------------
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50 -- Is_Ali --
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51 ------------
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52
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53 function Is_Ali (Filename : String) return Boolean is
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54 begin
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55 return Get_Ext (Filename) = ".ali";
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56 end Is_Ali;
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57
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58 ------------
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59 -- Is_Obj --
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60 ------------
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61
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62 function Is_Obj (Filename : String) return Boolean is
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63 Ext : constant String := Get_Ext (Filename);
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64 begin
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65 return Ext = ".o" or else Ext = ".obj";
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66 end Is_Obj;
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67
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68 ------------
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69 -- Ext_To --
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70 ------------
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71
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72 function Ext_To
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73 (Filename : String;
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74 New_Ext : String := No_Ext)
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75 return String
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76 is
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77 use Strings.Fixed;
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78 I : constant Natural := Index (Filename, ".", Strings.Backward);
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79 begin
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80 if I = 0 then
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81 return Filename;
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82
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83 else
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84 if New_Ext = "" then
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85 return Filename (Filename'First .. I - 1);
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86 else
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87 return Filename (Filename'First .. I - 1) & '.' & New_Ext;
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88 end if;
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89 end if;
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90 end Ext_To;
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91
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92 end MDLL.Fil;
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