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Diffstat (limited to 'gcc/ada/hostparm.ads')
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1 files changed, 90 insertions, 0 deletions
diff --git a/gcc/ada/hostparm.ads b/gcc/ada/hostparm.ads new file mode 100644 index 000000000..64164f327 --- /dev/null +++ b/gcc/ada/hostparm.ads @@ -0,0 +1,90 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- H O S T P A R M -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2009, 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 -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- 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 -- + --------------------- + + 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 + -- system-vms.ads and system-vms_64.ads and OpenVMS_On_Target boolean in + -- Targparm. This is not a constant, because it can be modified by -gnatdm. + + 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. + + 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; |