blob: 2dc070ebd7e72103a4dc7b033d1ca76f7251b22e [file] [log] [blame]
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- O S I N T - B --
-- --
-- B o d y --
-- --
-- Copyright (C) 2001-2005 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Namet; use Namet;
with Opt; use Opt;
with Targparm; use Targparm;
package body Osint.B is
Binder_Output_Time_Stamps_Set : Boolean := False;
Old_Binder_Output_Time_Stamp : Time_Stamp_Type;
New_Binder_Output_Time_Stamp : Time_Stamp_Type;
Recording_Time_From_Last_Bind : Boolean := False;
-------------------------
-- Close_Binder_Output --
-------------------------
procedure Close_Binder_Output is
Status : Boolean;
begin
Close (Output_FD, Status);
if not Status then
Fail
("error while closing generated file ",
Get_Name_String (Output_File_Name));
end if;
if Recording_Time_From_Last_Bind then
New_Binder_Output_Time_Stamp := File_Stamp (Output_File_Name);
Binder_Output_Time_Stamps_Set := True;
end if;
end Close_Binder_Output;
--------------------------
-- Create_Binder_Output --
--------------------------
procedure Create_Binder_Output
(Output_File_Name : String;
Typ : Character;
Bfile : out Name_Id)
is
File_Name : String_Ptr;
Findex1 : Natural;
Findex2 : Natural;
Flength : Natural;
Bind_File_Prefix_Len : Natural := 2;
-- Length of binder file prefix (normally set to 2 for b~, but gets
-- reset to 3 for VMS for b__).
begin
if Output_File_Name /= "" then
Name_Buffer (Output_File_Name'Range) := Output_File_Name;
Name_Buffer (Output_File_Name'Last + 1) := ASCII.NUL;
if Typ = 's' then
Name_Buffer (Output_File_Name'Last) := 's';
end if;
Name_Len := Output_File_Name'Last;
else
Name_Buffer (1) := 'b';
File_Name := File_Names (Current_File_Name_Index);
Findex1 := File_Name'First;
-- The ali file might be specified by a full path name. However,
-- the binder generated file should always be created in the
-- current directory, so the path might need to be stripped away.
-- In addition to the default directory_separator allow the '/' to
-- act as separator since this is allowed in MS-DOS and OS2 ports.
for J in reverse File_Name'Range loop
if File_Name (J) = Directory_Separator
or else File_Name (J) = '/'
then
Findex1 := J + 1;
exit;
end if;
end loop;
Findex2 := File_Name'Last;
while File_Name (Findex2) /= '.' loop
Findex2 := Findex2 - 1;
end loop;
Flength := Findex2 - Findex1;
if Maximum_File_Name_Length > 0 then
if OpenVMS_On_Target and then Typ /= 'c' then
Bind_File_Prefix_Len := 3;
end if;
-- Make room for the extra two characters in "b?"
while Int (Flength) >
Maximum_File_Name_Length - Nat (Bind_File_Prefix_Len)
loop
Findex2 := Findex2 - 1;
Flength := Findex2 - Findex1;
end loop;
end if;
Name_Buffer
(Bind_File_Prefix_Len + 1 .. Flength + Bind_File_Prefix_Len) :=
File_Name (Findex1 .. Findex2 - 1);
Name_Buffer (Flength + Bind_File_Prefix_Len + 1) := '.';
-- C bind file, name is b_xxx.c
if Typ = 'c' then
Name_Buffer (2) := '_';
Name_Buffer (Flength + 4) := 'c';
Name_Buffer (Flength + 5) := ASCII.NUL;
Name_Len := Flength + 4;
-- Ada bind file, name is b~xxx.adb or b~xxx.ads
-- (with __ instead of ~ in VMS)
else
if OpenVMS_On_Target then
Name_Buffer (2) := '_';
Name_Buffer (3) := '_';
else
Name_Buffer (2) := '~';
end if;
Name_Buffer (Flength + Bind_File_Prefix_Len + 2) := 'a';
Name_Buffer (Flength + Bind_File_Prefix_Len + 3) := 'd';
Name_Buffer (Flength + Bind_File_Prefix_Len + 4) := Typ;
Name_Buffer (Flength + Bind_File_Prefix_Len + 5) := ASCII.NUL;
Name_Len := Flength + Bind_File_Prefix_Len + 4;
end if;
end if;
Bfile := Name_Find;
if Recording_Time_From_Last_Bind then
Old_Binder_Output_Time_Stamp := File_Stamp (Bfile);
end if;
Create_File_And_Check (Output_FD, Text);
end Create_Binder_Output;
--------------------
-- More_Lib_Files --
--------------------
function More_Lib_Files return Boolean renames More_Files;
------------------------
-- Next_Main_Lib_File --
------------------------
function Next_Main_Lib_File return File_Name_Type renames Next_Main_File;
--------------------------------
-- Record_Time_From_Last_Bind --
--------------------------------
procedure Record_Time_From_Last_Bind is
begin
Recording_Time_From_Last_Bind := True;
end Record_Time_From_Last_Bind;
-------------------------
-- Time_From_Last_Bind --
-------------------------
function Time_From_Last_Bind return Nat is
Old_Y : Nat;
Old_M : Nat;
Old_D : Nat;
Old_H : Nat;
Old_Mi : Nat;
Old_S : Nat;
New_Y : Nat;
New_M : Nat;
New_D : Nat;
New_H : Nat;
New_Mi : Nat;
New_S : Nat;
type Month_Data is array (Int range 1 .. 12) of Int;
Cumul : constant Month_Data := (0, 0, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7);
-- Represents the difference in days from a period compared to the
-- same period if all months had 31 days, i.e:
--
-- Cumul (m) = 31x(m-1) - (number of days from 01/01 to m/01)
Res : Int;
begin
if not Recording_Time_From_Last_Bind
or else not Binder_Output_Time_Stamps_Set
or else Old_Binder_Output_Time_Stamp = Empty_Time_Stamp
then
return Nat'Last;
end if;
Split_Time_Stamp
(Old_Binder_Output_Time_Stamp,
Old_Y, Old_M, Old_D, Old_H, Old_Mi, Old_S);
Split_Time_Stamp
(New_Binder_Output_Time_Stamp,
New_Y, New_M, New_D, New_H, New_Mi, New_S);
Res := New_Mi - Old_Mi;
-- 60 minutes in an hour
Res := Res + 60 * (New_H - Old_H);
-- 24 hours in a day
Res := Res + 60 * 24 * (New_D - Old_D);
-- Almost 31 days in a month
Res := Res + 60 * 24 *
(31 * (New_M - Old_M) - Cumul (New_M) + Cumul (Old_M));
-- 365 days in a year
Res := Res + 60 * 24 * 365 * (New_Y - Old_Y);
return Res;
end Time_From_Last_Bind;
-----------------------
-- Write_Binder_Info --
-----------------------
procedure Write_Binder_Info (Info : String) renames Write_Info;
begin
Set_Program (Binder);
end Osint.B;