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178 | ------------------------------------------------------------------------------
-- --
-- GPR2 PROJECT MANAGER --
-- --
-- Copyright (C) 2019-2023, AdaCore --
-- --
-- This 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 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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, --
-- see <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Ada.Environment_Variables;
with Ada.Strings.Fixed;
with Ada.Strings.Maps;
with Ada.Text_IO;
with GNAT.MD5;
with GNAT.String_Split;
with GPRtools.Util;
package body GPR2.Compilation is
use GNAT;
use GNAT.String_Split;
Last_Env_MD5 : MD5.Message_Digest := (others => ASCII.NUL);
-- Keep last environment variable set to avoid too many system calls.
-- ??? Ideally, we should set them when spawning the process, in
-- which case it would be less expensive to set and could be set
-- every time.
-------------------------
-- Check_Local_Process --
-------------------------
procedure Check_Local_Process (Process : Id) is
begin
if Process = Invalid_Process then
declare
Err : constant String := "spawn failed with ERRNO ="
& OS_Lib.Errno'Img
& " (" & OS_Lib.Errno_Message & ")";
begin
GPRtools.Util.Fail_Program (Err);
end;
end if;
end Check_Local_Process;
-----------
-- Image --
-----------
function Image (Pid : Remote_Id) return String is
N_Img : constant String := Remote_Id'Image (Pid);
begin
return N_Img (N_Img'First + 1 .. N_Img'Last);
end Image;
-------------
-- Set_Env --
-------------
procedure Set_Env
(Env : String;
Fail : Boolean;
Force : Boolean := False)
is
Env_List : Slice_Set;
begin
Create (Env_List, Env, String'(1 => Opts_Sep));
for K in 1 .. Slice_Count (Env_List) loop
declare
Var : constant String := Slice (Env_List, K);
I : constant Natural := Strings.Fixed.Index (Var, "=");
Sum : constant MD5.Message_Digest := MD5.Digest (Var);
begin
if I /= 0 then
if Force or else Last_Env_MD5 /= Sum then
Environment_Variables.Set
(Name => Var (Var'First .. I - 1),
Value => Var (I + 1 .. Var'Last));
Last_Env_MD5 := Sum;
end if;
elsif Var'Length > 0 then
-- This is a protocol error, we do not want to fail here as
-- this routine is used by gprslave. This error message should
-- never been displayed anyway.
Text_IO.Put_Line
("wrong environment variable, missing '=' : " & Var);
if Fail then
OS_Lib.OS_Exit (1);
end if;
end if;
end;
end loop;
end Set_Env;
--------------------
-- Shared_Counter --
--------------------
protected body Shared_Counter is
-----------
-- Count --
-----------
function Count return Natural is
begin
return Counter;
end Count;
---------------
-- Decrement --
---------------
procedure Decrement is
begin
Counter := Counter - 1;
end Decrement;
---------------
-- Increment --
---------------
procedure Increment is
begin
Counter := Counter + 1;
end Increment;
-----------
-- Reset --
-----------
procedure Reset is
begin
Counter := 0;
end Reset;
-------------------
-- Wait_Non_Zero --
-------------------
entry Wait_Non_Zero when Counter /= 0 is
begin
null;
end Wait_Non_Zero;
end Shared_Counter;
-----------------------------------
-- To_Native_Directory_Separator --
-----------------------------------
function To_Native_Directory_Separator (Pathname : String) return String is
DS : Character renames OS_Lib.Directory_Separator;
begin
return Strings.Fixed.Translate
(Pathname,
Strings.Maps.To_Mapping
(String'(1 => (if DS = '/' then '\' else '/')),
String'(1 => DS)));
end To_Native_Directory_Separator;
end GPR2.Compilation;
|