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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 -- A D A . T E X T _ I O . I N T E G E R _ I O --
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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. --
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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 with Ada.Text_IO.Integer_Aux;
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33
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34 package body Ada.Text_IO.Integer_IO is
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35
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36 package Aux renames Ada.Text_IO.Integer_Aux;
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37
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38 Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
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39 -- Throughout this generic body, we distinguish between the case where type
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40 -- Integer is acceptable, and where a Long_Long_Integer is needed. This
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41 -- Boolean is used to test for these cases and since it is a constant, only
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42 -- code for the relevant case will be included in the instance.
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43
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44 ---------
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45 -- Get --
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46 ---------
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47
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48 procedure Get
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49 (File : File_Type;
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50 Item : out Num;
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51 Width : Field := 0)
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52 is
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53 -- We depend on a range check to get Data_Error
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54
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55 pragma Unsuppress (Range_Check);
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56 pragma Unsuppress (Overflow_Check);
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57
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58 begin
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59 if Need_LLI then
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60 Aux.Get_LLI (File, Long_Long_Integer (Item), Width);
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61 else
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62 Aux.Get_Int (File, Integer (Item), Width);
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63 end if;
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64
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65 exception
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66 when Constraint_Error => raise Data_Error;
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67 end Get;
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68
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69 procedure Get
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70 (Item : out Num;
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71 Width : Field := 0)
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72 is
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73 -- We depend on a range check to get Data_Error
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74
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75 pragma Unsuppress (Range_Check);
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76 pragma Unsuppress (Overflow_Check);
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77
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78 begin
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79 if Need_LLI then
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80 Aux.Get_LLI (Current_In, Long_Long_Integer (Item), Width);
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81 else
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82 Aux.Get_Int (Current_In, Integer (Item), Width);
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83 end if;
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84
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85 exception
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86 when Constraint_Error => raise Data_Error;
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87 end Get;
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88
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89 procedure Get
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90 (From : String;
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91 Item : out Num;
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92 Last : out Positive)
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93 is
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94 -- We depend on a range check to get Data_Error
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95
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96 pragma Unsuppress (Range_Check);
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97 pragma Unsuppress (Overflow_Check);
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98
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99 begin
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100 if Need_LLI then
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101 Aux.Gets_LLI (From, Long_Long_Integer (Item), Last);
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102 else
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103 Aux.Gets_Int (From, Integer (Item), Last);
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104 end if;
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105
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106 exception
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107 when Constraint_Error => raise Data_Error;
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108 end Get;
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109
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110 ---------
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111 -- Put --
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112 ---------
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113
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114 procedure Put
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115 (File : File_Type;
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116 Item : Num;
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117 Width : Field := Default_Width;
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118 Base : Number_Base := Default_Base)
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119 is
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120 begin
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121 if Need_LLI then
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122 Aux.Put_LLI (File, Long_Long_Integer (Item), Width, Base);
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123 else
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124 Aux.Put_Int (File, Integer (Item), Width, Base);
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125 end if;
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126 end Put;
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127
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128 procedure Put
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129 (Item : Num;
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130 Width : Field := Default_Width;
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131 Base : Number_Base := Default_Base)
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132 is
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133 begin
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134 if Need_LLI then
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135 Aux.Put_LLI (Current_Out, Long_Long_Integer (Item), Width, Base);
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136 else
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137 Aux.Put_Int (Current_Out, Integer (Item), Width, Base);
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138 end if;
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139 end Put;
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140
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141 procedure Put
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142 (To : out String;
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143 Item : Num;
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144 Base : Number_Base := Default_Base)
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145 is
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146 begin
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147 if Need_LLI then
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148 Aux.Puts_LLI (To, Long_Long_Integer (Item), Base);
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149 else
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150 Aux.Puts_Int (To, Integer (Item), Base);
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151 end if;
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152 end Put;
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153
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154 end Ada.Text_IO.Integer_IO;
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