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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- V A L I D S W --
-- --
-- B o d y --
-- --
-- --
-- Copyright (C) 2001-2002 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, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Opt; use Opt;
package body Validsw is
----------------------------------
-- Reset_Validity_Check_Options --
----------------------------------
procedure Reset_Validity_Check_Options is
begin
Validity_Check_Copies := False;
Validity_Check_Default := True;
Validity_Check_Floating_Point := False;
Validity_Check_In_Out_Params := False;
Validity_Check_In_Params := False;
Validity_Check_Operands := False;
Validity_Check_Returns := False;
Validity_Check_Subscripts := False;
Validity_Check_Tests := False;
end Reset_Validity_Check_Options;
---------------------------------
-- Save_Validity_Check_Options --
---------------------------------
procedure Save_Validity_Check_Options
(Options : out Validity_Check_Options)
is
P : Natural := 0;
procedure Add (C : Character; S : Boolean);
-- Add given character C to string if switch S is true
procedure Add (C : Character; S : Boolean) is
begin
if S then
P := P + 1;
Options (P) := C;
end if;
end Add;
-- Start of processing for Save_Validity_Check_Options
begin
for K in Options'Range loop
Options (K) := ' ';
end loop;
Add ('n', not Validity_Check_Default);
Add ('c', Validity_Check_Copies);
Add ('f', Validity_Check_Floating_Point);
Add ('i', Validity_Check_In_Params);
Add ('m', Validity_Check_In_Out_Params);
Add ('o', Validity_Check_Operands);
Add ('r', Validity_Check_Returns);
Add ('s', Validity_Check_Subscripts);
Add ('t', Validity_Check_Tests);
end Save_Validity_Check_Options;
----------------------------------------
-- Set_Default_Validity_Check_Options --
----------------------------------------
procedure Set_Default_Validity_Check_Options is
begin
Reset_Validity_Check_Options;
Set_Validity_Check_Options ("d");
end Set_Default_Validity_Check_Options;
--------------------------------
-- Set_Validity_Check_Options --
--------------------------------
-- Version used when no error checking is required
procedure Set_Validity_Check_Options (Options : String) is
OK : Boolean;
EC : Natural;
begin
Set_Validity_Check_Options (Options, OK, EC);
end Set_Validity_Check_Options;
-- Normal version with error checking
procedure Set_Validity_Check_Options
(Options : String;
OK : out Boolean;
Err_Col : out Natural)
is
J : Natural;
C : Character;
begin
Reset_Validity_Check_Options;
J := Options'First;
while J <= Options'Last loop
C := Options (J);
J := J + 1;
-- Turn on validity checking (gets turned off by Vn)
Validity_Checks_On := True;
case C is
when 'c' =>
Validity_Check_Copies := True;
when 'd' =>
Validity_Check_Default := True;
when 'f' =>
Validity_Check_Floating_Point := True;
when 'i' =>
Validity_Check_In_Params := True;
when 'm' =>
Validity_Check_In_Out_Params := True;
when 'o' =>
Validity_Check_Operands := True;
when 'r' =>
Validity_Check_Returns := True;
when 's' =>
Validity_Check_Subscripts := True;
when 't' =>
Validity_Check_Tests := True;
when 'C' =>
Validity_Check_Copies := False;
when 'D' =>
Validity_Check_Default := False;
when 'I' =>
Validity_Check_In_Params := False;
when 'F' =>
Validity_Check_Floating_Point := False;
when 'M' =>
Validity_Check_In_Out_Params := False;
when 'O' =>
Validity_Check_Operands := False;
when 'R' =>
Validity_Check_Returns := False;
when 'S' =>
Validity_Check_Subscripts := False;
when 'T' =>
Validity_Check_Tests := False;
when 'a' =>
Validity_Check_Copies := True;
Validity_Check_Default := True;
Validity_Check_Floating_Point := True;
Validity_Check_In_Out_Params := True;
Validity_Check_In_Params := True;
Validity_Check_Operands := True;
Validity_Check_Returns := True;
Validity_Check_Subscripts := True;
Validity_Check_Tests := True;
when 'n' =>
Validity_Check_Copies := False;
Validity_Check_Default := False;
Validity_Check_Floating_Point := False;
Validity_Check_In_Out_Params := False;
Validity_Check_In_Params := False;
Validity_Check_Operands := False;
Validity_Check_Returns := False;
Validity_Check_Subscripts := False;
Validity_Check_Tests := False;
Validity_Checks_On := False;
when ' ' =>
null;
when others =>
OK := False;
Err_Col := J - 1;
return;
end case;
end loop;
OK := True;
Err_Col := Options'Last + 1;
end Set_Validity_Check_Options;
end Validsw;
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