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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 -- ADA.WIDE_WIDE_TEXT_IO.WIDE_WIDE_BOUNDED_IO --
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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) 1997-2019, 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. --
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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.Wide_Wide_Text_IO; use Ada.Wide_Wide_Text_IO;
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33 with Ada.Unchecked_Deallocation;
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34
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35 package body Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO is
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36
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37 type Wide_Wide_String_Access is access all Wide_Wide_String;
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38
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39 procedure Free (WWSA : in out Wide_Wide_String_Access);
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40 -- Perform an unchecked deallocation of a non-null string
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41
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42 ----------
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43 -- Free --
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44 ----------
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45
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46 procedure Free (WWSA : in out Wide_Wide_String_Access) is
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47 Null_Wide_Wide_String : constant Wide_Wide_String := "";
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48
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49 procedure Deallocate is
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50 new Ada.Unchecked_Deallocation (
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51 Wide_Wide_String, Wide_Wide_String_Access);
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52
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53 begin
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54 -- Do not try to free statically allocated null string
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55
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56 if WWSA.all /= Null_Wide_Wide_String then
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57 Deallocate (WWSA);
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58 end if;
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59 end Free;
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60
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61 --------------
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62 -- Get_Line --
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63 --------------
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64
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65 function Get_Line return Wide_Wide_Bounded.Bounded_Wide_Wide_String is
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66 begin
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67 return Wide_Wide_Bounded.To_Bounded_Wide_Wide_String (Get_Line);
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68 end Get_Line;
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69
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70 --------------
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71 -- Get_Line --
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72 --------------
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73
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74 function Get_Line
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75 (File : File_Type) return Wide_Wide_Bounded.Bounded_Wide_Wide_String
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76 is
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77 begin
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78 return Wide_Wide_Bounded.To_Bounded_Wide_Wide_String (Get_Line (File));
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79 end Get_Line;
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80
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81 --------------
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82 -- Get_Line --
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83 --------------
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84
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85 procedure Get_Line
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86 (Item : out Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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87 is
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88 Buffer : Wide_Wide_String (1 .. 1000);
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89 Last : Natural;
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90 Str1 : Wide_Wide_String_Access;
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91 Str2 : Wide_Wide_String_Access;
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92
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93 begin
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94 Get_Line (Buffer, Last);
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95 Str1 := new Wide_Wide_String'(Buffer (1 .. Last));
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96
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97 while Last = Buffer'Last loop
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98 Get_Line (Buffer, Last);
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99 Str2 := new Wide_Wide_String'(Str1.all & Buffer (1 .. Last));
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100 Free (Str1);
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101 Str1 := Str2;
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102 end loop;
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103
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104 Item := Wide_Wide_Bounded.To_Bounded_Wide_Wide_String (Str1.all);
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105 end Get_Line;
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106
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107 --------------
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108 -- Get_Line --
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109 --------------
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110
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111 procedure Get_Line
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112 (File : File_Type;
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113 Item : out Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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114 is
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115 Buffer : Wide_Wide_String (1 .. 1000);
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116 Last : Natural;
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117 Str1 : Wide_Wide_String_Access;
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118 Str2 : Wide_Wide_String_Access;
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119
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120 begin
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121 Get_Line (File, Buffer, Last);
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122 Str1 := new Wide_Wide_String'(Buffer (1 .. Last));
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123
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124 while Last = Buffer'Last loop
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125 Get_Line (File, Buffer, Last);
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126 Str2 := new Wide_Wide_String'(Str1.all & Buffer (1 .. Last));
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127 Free (Str1);
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128 Str1 := Str2;
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129 end loop;
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130
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131 Item := Wide_Wide_Bounded.To_Bounded_Wide_Wide_String (Str1.all);
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132 end Get_Line;
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133
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134 ---------
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135 -- Put --
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136 ---------
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137
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138 procedure Put
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139 (Item : Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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140 is
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141 begin
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142 Put (Wide_Wide_Bounded.To_Wide_Wide_String (Item));
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143 end Put;
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144
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145 ---------
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146 -- Put --
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147 ---------
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148
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149 procedure Put
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150 (File : File_Type;
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151 Item : Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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152 is
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153 begin
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154 Put (File, Wide_Wide_Bounded.To_Wide_Wide_String (Item));
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155 end Put;
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156
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157 --------------
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158 -- Put_Line --
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159 --------------
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160
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161 procedure Put_Line
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162 (Item : Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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163 is
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164 begin
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165 Put_Line (Wide_Wide_Bounded.To_Wide_Wide_String (Item));
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166 end Put_Line;
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167
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168 --------------
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169 -- Put_Line --
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170 --------------
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171
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172 procedure Put_Line
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173 (File : File_Type;
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174 Item : Wide_Wide_Bounded.Bounded_Wide_Wide_String)
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175 is
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176 begin
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177 Put_Line (File, Wide_Wide_Bounded.To_Wide_Wide_String (Item));
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178 end Put_Line;
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179
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180 end Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO;
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