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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 -- S Y S T E M . I M G _ E N U M _ N E W --
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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) 2000-2018, 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 pragma Compiler_Unit_Warning;
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33
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34 with Ada.Unchecked_Conversion;
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35
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36 package body System.Img_Enum_New is
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37
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38 -------------------------
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39 -- Image_Enumeration_8 --
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40 -------------------------
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41
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42 procedure Image_Enumeration_8
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43 (Pos : Natural;
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44 S : in out String;
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45 P : out Natural;
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46 Names : String;
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47 Indexes : System.Address)
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48 is
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49 pragma Assert (S'First = 1);
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50
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51 type Natural_8 is range 0 .. 2 ** 7 - 1;
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52 type Index_Table is array (Natural) of Natural_8;
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53 type Index_Table_Ptr is access Index_Table;
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54
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55 function To_Index_Table_Ptr is
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56 new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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57
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58 IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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59
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60 Start : constant Natural := Natural (IndexesT (Pos));
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61 Next : constant Natural := Natural (IndexesT (Pos + 1));
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62
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63 begin
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64 S (1 .. Next - Start) := Names (Start .. Next - 1);
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65 P := Next - Start;
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66 end Image_Enumeration_8;
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67
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68 --------------------------
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69 -- Image_Enumeration_16 --
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70 --------------------------
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71
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72 procedure Image_Enumeration_16
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73 (Pos : Natural;
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74 S : in out String;
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75 P : out Natural;
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76 Names : String;
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77 Indexes : System.Address)
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78 is
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79 pragma Assert (S'First = 1);
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80
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81 type Natural_16 is range 0 .. 2 ** 15 - 1;
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82 type Index_Table is array (Natural) of Natural_16;
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83 type Index_Table_Ptr is access Index_Table;
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84
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85 function To_Index_Table_Ptr is
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86 new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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87
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88 IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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89
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90 Start : constant Natural := Natural (IndexesT (Pos));
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91 Next : constant Natural := Natural (IndexesT (Pos + 1));
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92
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93 begin
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94 S (1 .. Next - Start) := Names (Start .. Next - 1);
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95 P := Next - Start;
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96 end Image_Enumeration_16;
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97
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98 --------------------------
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99 -- Image_Enumeration_32 --
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100 --------------------------
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101
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102 procedure Image_Enumeration_32
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103 (Pos : Natural;
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104 S : in out String;
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105 P : out Natural;
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106 Names : String;
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107 Indexes : System.Address)
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108 is
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109 pragma Assert (S'First = 1);
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110
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111 type Natural_32 is range 0 .. 2 ** 31 - 1;
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112 type Index_Table is array (Natural) of Natural_32;
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113 type Index_Table_Ptr is access Index_Table;
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114
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115 function To_Index_Table_Ptr is
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116 new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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117
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118 IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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119
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120 Start : constant Natural := Natural (IndexesT (Pos));
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121 Next : constant Natural := Natural (IndexesT (Pos + 1));
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122
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123 begin
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124 S (1 .. Next - Start) := Names (Start .. Next - 1);
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125 P := Next - Start;
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126 end Image_Enumeration_32;
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127
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128 end System.Img_Enum_New;
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