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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- H O S T P A R M --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2005 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. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package defines some system dependent parameters for GNAT. These
-- are parameters that are relevant to the host machine on which the
-- compiler is running, and thus this package is part of the compiler.
with Types;
package Hostparm is
-----------------------
-- TARGET Parameters --
-----------------------
-- ??? The following should really be moved to a Target package
Java_VM : constant Boolean := False;
-- Set true when compiling the JGNAT tool chain (compiler, gnatmake, etc)
---------------------
-- HOST Parameters --
---------------------
Gnat_VMSp : Integer;
pragma Import (C, Gnat_VMSp, "__gnat_vmsp");
OpenVMS : Boolean := Gnat_VMSp /= 0;
-- Set True for OpenVMS host. See also OpenVMS target boolean in
-- 5vsystem.ads and OpenVMS_On_Target boolean in Targparm. This is
-- not a constant, because it can be modified by -gnatdm.
Normalized_CWD : constant String := "./";
-- Normalized string to access current directory
Max_Line_Length : constant := Types.Column_Number'Pred
(Types.Column_Number'Last);
-- Maximum source line length. By default we set it to the maximum
-- value that can be supported, which is given by the range of the
-- Column_Number type. We subtract 1 because need to be able to
-- have a valid Column_Number equal to Max_Line_Length to represent
-- the location of a "line too long" error.
-- 200 is the minimum value required (RM 2.2(15)). The value set here
-- can be reduced by the explicit use of the -gnatyM style switch.
Max_Name_Length : constant := 1024;
-- Maximum length of unit name (including all dots, and " (spec)") and
-- of file names in the library, must be at least Max_Line_Length, but
-- can be larger.
Max_Instantiations : constant := 4000;
-- Maximum number of instantiations permitted (to stop runaway cases
-- of nested instantiations). These situations probably only occur in
-- specially concocted test cases.
Tag_Errors : constant Boolean := False;
-- If set to true, then brief form error messages will be prefaced by
-- the string "error:". Used as default for Opt.Unique_Error_Tag.
Exclude_Missing_Objects : constant Boolean := True;
-- If set to true, gnatbind will exclude from consideration all
-- non-existent .o files.
Max_Debug_Name_Length : constant := 256;
-- If a generated qualified debug name exceeds this length, then it
-- is automatically compressed, regardless of the setting of the
-- Compress_Debug_Names switch controlled by -gnatC.
end Hostparm;
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