------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- H O S T P A R M -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2019, 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 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- 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 --------------------- -- HOST Parameters -- --------------------- Direct_Separator : constant Character; pragma Import (C, Direct_Separator, "__gnat_dir_separator"); Normalized_CWD : constant String := "." & Direct_Separator; -- 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. 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. end Hostparm;