annotate gcc/ada/osint-b.adb @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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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 -- O S I N T - B --
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6 -- --
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7 -- B o d y --
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8 -- --
131
84e7813d76e9 gcc-8.2
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9 -- Copyright (C) 2001-2018, Free Software Foundation, Inc. --
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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 Opt; use Opt;
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27 with Output; use Output;
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28
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29 package body Osint.B is
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30
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31 Current_List_File : File_Descriptor := Invalid_FD;
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32
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33 -------------------------
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34 -- Close_Binder_Output --
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35 -------------------------
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36
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37 procedure Close_Binder_Output is
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38 Status : Boolean;
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39 begin
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40 Close (Output_FD, Status);
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41
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42 if not Status then
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43 Fail
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44 ("error while closing generated file "
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45 & Get_Name_String (Output_File_Name));
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46 end if;
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47
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48 end Close_Binder_Output;
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49
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50 ---------------------
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51 -- Close_List_File --
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52 ---------------------
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53
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54 procedure Close_List_File is
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55 begin
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56 if Current_List_File /= Invalid_FD then
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57 Close (Current_List_File);
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58 Current_List_File := Invalid_FD;
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59 Set_Standard_Output;
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60 end if;
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61 end Close_List_File;
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62
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63 --------------------------
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64 -- Create_Binder_Output --
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65 --------------------------
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66
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67 procedure Create_Binder_Output
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68 (Output_File_Name : String;
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69 Typ : Character;
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70 Bfile : out Name_Id)
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71 is
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72 File_Name : String_Ptr;
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73 Findex1 : Natural;
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74 Findex2 : Natural;
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75 Flength : Natural;
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76
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77 Bind_File_Prefix_Len : constant Natural := 2;
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78 -- Length of binder file prefix (2 for b~)
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79
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80 begin
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81 if Output_File_Name /= "" then
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82 Name_Buffer (1 .. Output_File_Name'Length) := Output_File_Name;
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83 Name_Buffer (Output_File_Name'Length + 1) := ASCII.NUL;
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84
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85 if Typ = 's' then
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86 Name_Buffer (Output_File_Name'Last) := 's';
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87 end if;
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88
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89 Name_Len := Output_File_Name'Last;
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90
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91 else
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92 Name_Buffer (1) := 'b';
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93 File_Name := File_Names (Current_File_Name_Index);
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94
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95 Findex1 := File_Name'First;
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96
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97 -- The ali file might be specified by a full path name. However,
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98 -- the binder generated file should always be created in the
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99 -- current directory, so the path might need to be stripped away.
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100 -- In addition to the default directory_separator allow the '/' to
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101 -- act as separator since this is allowed in MS-DOS and OS2 ports.
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102
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103 for J in reverse File_Name'Range loop
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104 if File_Name (J) = Directory_Separator
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105 or else File_Name (J) = '/'
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106 then
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107 Findex1 := J + 1;
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108 exit;
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109 end if;
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110 end loop;
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111
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112 Findex2 := File_Name'Last;
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113 while File_Name (Findex2) /= '.' loop
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114 Findex2 := Findex2 - 1;
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115 end loop;
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116
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117 Flength := Findex2 - Findex1;
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118
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119 if Maximum_File_Name_Length > 0 then
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120
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121 -- Make room for the extra two characters in "b?"
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122
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123 while Int (Flength) >
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124 Maximum_File_Name_Length - Nat (Bind_File_Prefix_Len)
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125 loop
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126 Findex2 := Findex2 - 1;
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127 Flength := Findex2 - Findex1;
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128 end loop;
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129 end if;
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130
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131 Name_Buffer
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132 (Bind_File_Prefix_Len + 1 .. Flength + Bind_File_Prefix_Len) :=
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133 File_Name (Findex1 .. Findex2 - 1);
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134 Name_Buffer (Flength + Bind_File_Prefix_Len + 1) := '.';
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135
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136 -- Ada bind file, name is b~xxx.adb or b~xxx.ads
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137
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138 Name_Buffer (2) := '~';
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139
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140 Name_Buffer (Flength + Bind_File_Prefix_Len + 2) := 'a';
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141 Name_Buffer (Flength + Bind_File_Prefix_Len + 3) := 'd';
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142 Name_Buffer (Flength + Bind_File_Prefix_Len + 4) := Typ;
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143 Name_Buffer (Flength + Bind_File_Prefix_Len + 5) := ASCII.NUL;
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144 Name_Len := Flength + Bind_File_Prefix_Len + 4;
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145 end if;
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146
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147 Bfile := Name_Find;
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148
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149 Create_File_And_Check (Output_FD, Text);
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150 end Create_Binder_Output;
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151
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152 --------------------
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153 -- More_Lib_Files --
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154 --------------------
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155
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156 function More_Lib_Files return Boolean renames More_Files;
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157
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158 ------------------------
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159 -- Next_Main_Lib_File --
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160 ------------------------
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161
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162 function Next_Main_Lib_File return File_Name_Type renames Next_Main_File;
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163
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164 ---------------------------------
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165 -- Set_Current_File_Name_Index --
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166 ---------------------------------
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167
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168 procedure Set_Current_File_Name_Index (To : Int) is
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169 begin
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170 Current_File_Name_Index := To;
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171 end Set_Current_File_Name_Index;
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172
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173 -------------------
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174 -- Set_List_File --
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175 -------------------
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176
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177 procedure Set_List_File (Filename : String) is
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178 begin
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179 pragma Assert (Current_List_File = Invalid_FD);
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180 Current_List_File := Create_File (Filename, Text);
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181
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182 if Current_List_File = Invalid_FD then
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183 Fail ("cannot create list file: " & Filename);
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184 else
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185 Set_Output (Current_List_File);
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186 end if;
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187 end Set_List_File;
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188
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189 -----------------------
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190 -- Write_Binder_Info --
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191 -----------------------
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192
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193 procedure Write_Binder_Info (Info : String) renames Write_Info;
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194
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195 begin
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196 Set_Program (Binder);
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197 end Osint.B;