1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- O S I N T - B -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 2001-2003 Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 2, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNAT; see file COPYING. If not, write -- 19-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- 20-- MA 02111-1307, USA. -- 21-- -- 22-- GNAT was originally developed by the GNAT team at New York University. -- 23-- Extensive contributions were provided by Ada Core Technologies Inc. -- 24-- -- 25------------------------------------------------------------------------------ 26 27with Hostparm; 28with Namet; use Namet; 29with Opt; use Opt; 30 31package body Osint.B is 32 33 Binder_Output_Time_Stamps_Set : Boolean := False; 34 35 Old_Binder_Output_Time_Stamp : Time_Stamp_Type; 36 New_Binder_Output_Time_Stamp : Time_Stamp_Type; 37 Recording_Time_From_Last_Bind : Boolean := False; 38 39 ------------------------- 40 -- Close_Binder_Output -- 41 ------------------------- 42 43 procedure Close_Binder_Output is 44 Status : Boolean; 45 begin 46 Close (Output_FD, Status); 47 48 if not Status then 49 Fail 50 ("error while closing generated file ", 51 Get_Name_String (Output_File_Name)); 52 end if; 53 54 if Recording_Time_From_Last_Bind then 55 New_Binder_Output_Time_Stamp := File_Stamp (Output_File_Name); 56 Binder_Output_Time_Stamps_Set := True; 57 end if; 58 end Close_Binder_Output; 59 60 -------------------------- 61 -- Create_Binder_Output -- 62 -------------------------- 63 64 procedure Create_Binder_Output 65 (Output_File_Name : String; 66 Typ : Character; 67 Bfile : out Name_Id) 68 is 69 File_Name : String_Ptr; 70 Findex1 : Natural; 71 Findex2 : Natural; 72 Flength : Natural; 73 74 begin 75 if Output_File_Name /= "" then 76 Name_Buffer (Output_File_Name'Range) := Output_File_Name; 77 Name_Buffer (Output_File_Name'Last + 1) := ASCII.NUL; 78 79 if Typ = 's' then 80 Name_Buffer (Output_File_Name'Last) := 's'; 81 end if; 82 83 Name_Len := Output_File_Name'Last; 84 85 else 86 Name_Buffer (1) := 'b'; 87 File_Name := File_Names (Current_File_Name_Index); 88 89 Findex1 := File_Name'First; 90 91 -- The ali file might be specified by a full path name. However, 92 -- the binder generated file should always be created in the 93 -- current directory, so the path might need to be stripped away. 94 -- In addition to the default directory_separator allow the '/' to 95 -- act as separator since this is allowed in MS-DOS and OS2 ports. 96 97 for J in reverse File_Name'Range loop 98 if File_Name (J) = Directory_Separator 99 or else File_Name (J) = '/' 100 then 101 Findex1 := J + 1; 102 exit; 103 end if; 104 end loop; 105 106 Findex2 := File_Name'Last; 107 while File_Name (Findex2) /= '.' loop 108 Findex2 := Findex2 - 1; 109 end loop; 110 111 Flength := Findex2 - Findex1; 112 113 if Maximum_File_Name_Length > 0 then 114 115 -- Make room for the extra two characters in "b?" 116 117 while Int (Flength) > Maximum_File_Name_Length - 2 loop 118 Findex2 := Findex2 - 1; 119 Flength := Findex2 - Findex1; 120 end loop; 121 end if; 122 123 Name_Buffer (3 .. Flength + 2) := File_Name (Findex1 .. Findex2 - 1); 124 Name_Buffer (Flength + 3) := '.'; 125 126 -- C bind file, name is b_xxx.c 127 128 if Typ = 'c' then 129 Name_Buffer (2) := '_'; 130 Name_Buffer (Flength + 4) := 'c'; 131 Name_Buffer (Flength + 5) := ASCII.NUL; 132 Name_Len := Flength + 4; 133 134 -- Ada bind file, name is b~xxx.adb or b~xxx.ads 135 -- (with $ instead of ~ in VMS) 136 137 else 138 if Hostparm.OpenVMS then 139 Name_Buffer (2) := '$'; 140 else 141 Name_Buffer (2) := '~'; 142 end if; 143 144 Name_Buffer (Flength + 4) := 'a'; 145 Name_Buffer (Flength + 5) := 'd'; 146 Name_Buffer (Flength + 6) := Typ; 147 Name_Buffer (Flength + 7) := ASCII.NUL; 148 Name_Len := Flength + 6; 149 end if; 150 end if; 151 152 Bfile := Name_Find; 153 154 if Recording_Time_From_Last_Bind then 155 Old_Binder_Output_Time_Stamp := File_Stamp (Bfile); 156 end if; 157 158 Create_File_And_Check (Output_FD, Text); 159 end Create_Binder_Output; 160 161 -------------------- 162 -- More_Lib_Files -- 163 -------------------- 164 165 function More_Lib_Files return Boolean renames More_Files; 166 167 ------------------------ 168 -- Next_Main_Lib_File -- 169 ------------------------ 170 171 function Next_Main_Lib_File return File_Name_Type renames Next_Main_File; 172 173 -------------------------------- 174 -- Record_Time_From_Last_Bind -- 175 -------------------------------- 176 177 procedure Record_Time_From_Last_Bind is 178 begin 179 Recording_Time_From_Last_Bind := True; 180 end Record_Time_From_Last_Bind; 181 182 ------------------------- 183 -- Time_From_Last_Bind -- 184 ------------------------- 185 186 function Time_From_Last_Bind return Nat is 187 Old_Y : Nat; 188 Old_M : Nat; 189 Old_D : Nat; 190 Old_H : Nat; 191 Old_Mi : Nat; 192 Old_S : Nat; 193 New_Y : Nat; 194 New_M : Nat; 195 New_D : Nat; 196 New_H : Nat; 197 New_Mi : Nat; 198 New_S : Nat; 199 200 type Month_Data is array (Int range 1 .. 12) of Int; 201 Cumul : constant Month_Data := (0, 0, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7); 202 -- Represents the difference in days from a period compared to the 203 -- same period if all months had 31 days, i.e: 204 -- 205 -- Cumul (m) = 31x(m-1) - (number of days from 01/01 to m/01) 206 207 Res : Int; 208 209 begin 210 if not Recording_Time_From_Last_Bind 211 or else not Binder_Output_Time_Stamps_Set 212 or else Old_Binder_Output_Time_Stamp = Empty_Time_Stamp 213 then 214 return Nat'Last; 215 end if; 216 217 Split_Time_Stamp 218 (Old_Binder_Output_Time_Stamp, 219 Old_Y, Old_M, Old_D, Old_H, Old_Mi, Old_S); 220 221 Split_Time_Stamp 222 (New_Binder_Output_Time_Stamp, 223 New_Y, New_M, New_D, New_H, New_Mi, New_S); 224 225 Res := New_Mi - Old_Mi; 226 227 -- 60 minutes in an hour 228 229 Res := Res + 60 * (New_H - Old_H); 230 231 -- 24 hours in a day 232 233 Res := Res + 60 * 24 * (New_D - Old_D); 234 235 -- Almost 31 days in a month 236 237 Res := Res + 60 * 24 * 238 (31 * (New_M - Old_M) - Cumul (New_M) + Cumul (Old_M)); 239 240 -- 365 days in a year 241 242 Res := Res + 60 * 24 * 365 * (New_Y - Old_Y); 243 244 return Res; 245 end Time_From_Last_Bind; 246 247 ----------------------- 248 -- Write_Binder_Info -- 249 ----------------------- 250 251 procedure Write_Binder_Info (Info : String) renames Write_Info; 252 253begin 254 Set_Program (Binder); 255end Osint.B; 256