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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 . W I D E _ 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.Wide_Text_IO.Integer_Aux;
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33 with System.WCh_Con; use System.WCh_Con;
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34 with System.WCh_WtS; use System.WCh_WtS;
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35
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36 package body Ada.Wide_Text_IO.Integer_IO is
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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 subtype TFT is Ada.Wide_Text_IO.File_Type;
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45 -- File type required for calls to routines in Aux
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46
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47 package Aux renames Ada.Wide_Text_IO.Integer_Aux;
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48
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49 ---------
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50 -- Get --
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51 ---------
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52
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53 procedure Get
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54 (File : File_Type;
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55 Item : out Num;
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56 Width : Field := 0)
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57 is
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58 begin
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59 if Need_LLI then
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60 Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width);
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61 else
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62 Aux.Get_Int (TFT (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 begin
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74 Get (Current_Input, Item, Width);
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75 end Get;
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76
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77 procedure Get
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78 (From : Wide_String;
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79 Item : out Num;
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80 Last : out Positive)
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81 is
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82 S : constant String := Wide_String_To_String (From, WCEM_Upper);
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83 -- String on which we do the actual conversion. Note that the method
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84 -- used for wide character encoding is irrelevant, since if there is
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85 -- a character outside the Standard.Character range then the call to
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86 -- Aux.Gets will raise Data_Error in any case.
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87
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88 begin
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89 if Need_LLI then
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90 Aux.Gets_LLI (S, Long_Long_Integer (Item), Last);
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91 else
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92 Aux.Gets_Int (S, Integer (Item), Last);
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93 end if;
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94
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95 exception
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96 when Constraint_Error => raise Data_Error;
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97 end Get;
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98
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99 ---------
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100 -- Put --
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101 ---------
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102
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103 procedure Put
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104 (File : File_Type;
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105 Item : Num;
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106 Width : Field := Default_Width;
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107 Base : Number_Base := Default_Base)
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108 is
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109 begin
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110 if Need_LLI then
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111 Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base);
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112 else
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113 Aux.Put_Int (TFT (File), Integer (Item), Width, Base);
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114 end if;
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115 end Put;
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116
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117 procedure Put
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118 (Item : Num;
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119 Width : Field := Default_Width;
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120 Base : Number_Base := Default_Base)
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121 is
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122 begin
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123 Put (Current_Output, Item, Width, Base);
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124 end Put;
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125
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126 procedure Put
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127 (To : out Wide_String;
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128 Item : Num;
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129 Base : Number_Base := Default_Base)
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130 is
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131 S : String (To'First .. To'Last);
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132
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133 begin
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134 if Need_LLI then
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135 Aux.Puts_LLI (S, Long_Long_Integer (Item), Base);
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136 else
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137 Aux.Puts_Int (S, Integer (Item), Base);
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138 end if;
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139
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140 for J in S'Range loop
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141 To (J) := Wide_Character'Val (Character'Pos (S (J)));
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142 end loop;
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143 end Put;
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144
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145 end Ada.Wide_Text_IO.Integer_IO;
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