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165 | ------------------------------------------------------------------------------
-- --
-- startup-gen --
-- --
-- Copyright (C) 2019, 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.Text_IO; use Ada.Text_IO;
with Ada.Containers.Indefinite_Ordered_Maps;
with GNAT.Command_Line; use GNAT.Command_Line;
with GNAT.OS_Lib;
with Utils;
package body Setup is
package Scv_Maps is
new Ada.Containers.Indefinite_Ordered_Maps
(Key_Type => String,
Element_Type => String);
Scv_Map : Scv_Maps.Map;
-- All defined scenario variables
procedure Add_Scenario_Var (Key, Value : String);
procedure Handle_Scenerio_Arg (Switch, Value : String);
----------------------
-- Add_Scenario_Var --
----------------------
procedure Add_Scenario_Var (Key, Value : String) is
begin
Scv_Map.Include (Key, Value);
end Add_Scenario_Var;
-------------------------
-- Handle_Scenerio_Arg --
-------------------------
procedure Handle_Scenerio_Arg (Switch, Value : String) is
pragma Unreferenced (Switch);
Name_First, Name_Last, Value_First : Natural;
begin
Name_First := Value'First;
Name_Last := Name_First - 1;
while Name_Last < Value'Last
and then Value (Name_Last + 1) /= '='
loop
Name_Last := Name_Last + 1;
end loop;
Value_First := Name_Last + 2;
Add_Scenario_Var
(Key => Value (Name_First .. Name_Last),
Value => Value (Value_First .. Value'Last));
end Handle_Scenerio_Arg;
-------------------
-- Get_Arguments --
-------------------
procedure Get_Arguments (Values : aliased out Command_Line_Values)
is
Config : Command_Line_Configuration;
begin
Define_Switch
(Config,
Values.Linker_File'Access,
"-l:",
Help => "Name of the generated linker script.");
Define_Switch
(Config,
Values.Startup_Code_File'Access,
"-s:",
Help => "Name of the generated startup code.");
Define_Switch
(Config,
Handle_Scenerio_Arg'Access,
"-X:",
Help => "Specify an external reference for Project Files.");
Define_Switch
(Config,
Values.Project_File'Access,
"-P:",
Help => "Name of the project file with the device configuration.");
Define_Switch
(Config,
Values.Print_Tags'Access,
Switch => "",
Long_Switch => "--print-tags",
Help => "Print the tags available in templates.");
Getopt (Config);
if Values.Project_File = null or else Values.Project_File.all = "" then
Utils.Fatal_Error ("Project file required (-P)");
end if;
end Get_Arguments;
------------------------------
-- Apply_Scenario_Variables --
------------------------------
procedure Apply_Scenario_Variables (Env : Project_Environment_Access) is
use Scv_Maps;
begin
for Scv_C in Scv_Map.Iterate loop
Change_Environment (Env.all, Key (Scv_C), Element (Scv_C));
end loop;
-- Make sure GPR_TOOL is initalized. There are several ways to
-- initialize it: by decreasing order of precedence:
--
-- * explicitly set through a -X option;
-- * set through an environment variable;
-- * implicitly initialized by startup-gen.
if Scv_Map.Contains ("GPR_TOOL") then
null;
else
declare
GPR_Tool_Env_Var : GNAT.Strings.String_Access :=
GNAT.OS_Lib.Getenv ("GPR_TOOL");
GPR_Tool_Value : constant String :=
(if GPR_Tool_Env_Var.all = ""
then "startup-gen"
else GPR_Tool_Env_Var.all);
begin
Change_Environment (Env.all, "GPR_TOOL", GPR_Tool_Value);
Free (GPR_Tool_Env_Var);
end;
end if;
end Apply_Scenario_Variables;
-------------
-- Display --
-------------
procedure Display (Values : in out Command_Line_Values)
is
begin
Put_Line ("Spec " & Values.Project_File.all);
Put_Line ("Linker Script " & Values.Linker_File.all);
Put_Line ("Startup Code " & Values.Startup_Code_File.all);
end Display;
end Setup;
|