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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 -- B U T I L --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, 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 with Output; use Output;
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27
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28 package body Butil is
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29
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30 ----------------------
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31 -- Is_Internal_Unit --
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32 ----------------------
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33
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34 -- Note: the reason we do not use the Fname package for this function
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35 -- is that it would drag too much junk into the binder.
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36
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37 function Is_Internal_Unit return Boolean is
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38 begin
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39 return Is_Predefined_Unit
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40 or else (Name_Len > 4 and then (Name_Buffer (1 .. 5) = "gnat%"
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41 or else
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42 Name_Buffer (1 .. 5) = "gnat."));
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43 end Is_Internal_Unit;
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44
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45 ------------------------
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46 -- Is_Predefined_Unit --
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47 ------------------------
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48
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49 -- Note: the reason we do not use the Fname package for this function
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50 -- is that it would drag too much junk into the binder.
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51
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52 function Is_Predefined_Unit return Boolean is
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53 L : Natural renames Name_Len;
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54 B : String renames Name_Buffer;
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55 begin
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56 return (L > 3 and then B (1 .. 4) = "ada.")
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57 or else (L > 6 and then B (1 .. 7) = "system.")
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58 or else (L > 10 and then B (1 .. 11) = "interfaces.")
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59 or else (L > 3 and then B (1 .. 4) = "ada%")
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60 or else (L > 8 and then B (1 .. 9) = "calendar%")
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61 or else (L > 9 and then B (1 .. 10) = "direct_io%")
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62 or else (L > 10 and then B (1 .. 11) = "interfaces%")
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63 or else (L > 13 and then B (1 .. 14) = "io_exceptions%")
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64 or else (L > 12 and then B (1 .. 13) = "machine_code%")
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65 or else (L > 13 and then B (1 .. 14) = "sequential_io%")
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66 or else (L > 6 and then B (1 .. 7) = "system%")
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67 or else (L > 7 and then B (1 .. 8) = "text_io%")
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68 or else (L > 20 and then B (1 .. 21) = "unchecked_conversion%")
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69 or else (L > 22 and then B (1 .. 23) = "unchecked_deallocation%")
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70 or else (L > 4 and then B (1 .. 5) = "gnat%")
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71 or else (L > 4 and then B (1 .. 5) = "gnat.");
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72 end Is_Predefined_Unit;
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73
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74 ----------------
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75 -- Uname_Less --
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76 ----------------
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77
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78 function Uname_Less (U1, U2 : Unit_Name_Type) return Boolean is
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79 begin
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80 Get_Name_String (U1);
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81
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82 declare
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83 U1_Name : constant String (1 .. Name_Len) :=
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84 Name_Buffer (1 .. Name_Len);
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85 Min_Length : Natural;
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86
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87 begin
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88 Get_Name_String (U2);
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89
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90 if Name_Len < U1_Name'Last then
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91 Min_Length := Name_Len;
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92 else
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93 Min_Length := U1_Name'Last;
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94 end if;
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95
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96 for J in 1 .. Min_Length loop
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97 if U1_Name (J) > Name_Buffer (J) then
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98 return False;
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99 elsif U1_Name (J) < Name_Buffer (J) then
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100 return True;
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101 end if;
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102 end loop;
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103
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104 return U1_Name'Last < Name_Len;
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105 end;
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106 end Uname_Less;
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107
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108 ---------------------
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109 -- Write_Unit_Name --
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110 ---------------------
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111
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112 procedure Write_Unit_Name (U : Unit_Name_Type) is
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113 begin
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114 Get_Name_String (U);
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115 Write_Str (Name_Buffer (1 .. Name_Len - 2));
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116
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117 if Name_Buffer (Name_Len) = 's' then
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118 Write_Str (" (spec)");
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119 else
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120 Write_Str (" (body)");
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121 end if;
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122
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123 Name_Len := Name_Len + 5;
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124 end Write_Unit_Name;
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125
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126 end Butil;
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