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usage.adb
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Text File
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1996-09-28
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6KB
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233 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- U S A G E --
-- --
-- B o d y --
-- --
-- $Revision: 1.54 $ --
-- --
-- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
-- --
-- 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, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Osint; use Osint;
with Output; use Output;
with System.WCh_Con; use System.WCh_Con;
procedure Usage is
procedure Write_Switch_Char;
-- Output two spaces followed by default switch character
procedure Write_Switch_Char is
begin
Write_Str (" ");
Write_Char (Switch_Character);
end Write_Switch_Char;
-- Start of processing for Usage
begin
-- Usage line
Write_Str ("Usage: ");
Write_Program_Name;
Write_Char (' ');
Write_Str ("switches sfile");
Write_Eol;
Write_Eol;
-- Line for -a switch
Write_Switch_Char;
Write_Str ("a Assertions enabled. Pragma Ass");
Write_Str ("ert and pragma Debug to be activated");
Write_Eol;
-- Line for -b switch
Write_Switch_Char;
Write_Str ("b Generate brief messages to std");
Write_Str ("err even if verbose mode set");
Write_Eol;
-- Line for -c switch
Write_Switch_Char;
Write_Str ("c Check syntax and semantics onl");
Write_Str ("y (no code generation attempted)");
Write_Eol;
-- Line for -e switch
Write_Switch_Char;
Write_Str ("e Error messages generated immed");
Write_Str ("iately, not saved up till end");
Write_Eol;
-- Line for -f switch
Write_Switch_Char;
Write_Str ("f Full errors. Multiple errors/l");
Write_Str ("ine, all undefined references");
Write_Eol;
-- Line for -g switch
Write_Switch_Char;
Write_Str ("g GNAT style checks enabled");
Write_Eol;
-- Line for -i switch
Write_Switch_Char;
Write_Str ("i? Identifier char set (?=1/2/3/4");
Write_Str ("/8/p/f/n/w)");
Write_Eol;
-- Line for -j switch
Write_Switch_Char;
Write_Str ("j? Wide character encoding method");
Write_Str (" (?=");
for J in WC_Encoding_Method loop
Write_Char (WC_Encoding_Letters (J));
if J = WC_Encoding_Method'Last then
Write_Char (')');
else
Write_Char ('/');
end if;
end loop;
Write_Eol;
-- Line for -k switch
Write_Switch_Char;
Write_Str ("knnn Limit file names to nnn charac");
Write_Str ("ters (k = krunch)");
Write_Eol;
-- Line for -l switch
Write_Switch_Char;
Write_Str ("l Output full source listing wit");
Write_Str ("h embedded error messages");
Write_Eol;
-- Line for -m switch
Write_Switch_Char;
Write_Str ("mnnn Limit number of detected error");
Write_Str ("s to nnn (1-999)");
Write_Eol;
-- Line for -n switch
Write_Switch_Char;
Write_Str ("n Inlining of subprograms (apply ");
Write_Str ("pragma Inline across units)");
Write_Eol;
-- Line for -o switch
Write_Switch_Char;
Write_Str ("o Enable optional checks (overfl");
Write_Str ("ow, stack check, elaboration checks");
Write_Eol;
-- Line for -p switch
Write_Switch_Char;
Write_Str ("p Suppress all checks");
Write_Eol;
-- Lines for -q switch
Write_Switch_Char;
Write_Str ("q Don't quit, try semantics, eve");
Write_Str ("n if parse errors");
Write_Eol;
-- Line for -r switch
Write_Switch_Char;
Write_Str ("r Reference manual column layout");
Write_Str (" required");
Write_Eol;
-- Lines for -s switch
Write_Switch_Char;
Write_Str ("s Syntax check only");
Write_Eol;
-- Lines for -t switch
Write_Switch_Char;
Write_Str ("t Tree output file to be generated");
Write_Eol;
-- Line for -u switch
Write_Switch_Char;
Write_Str ("u List units for this compilatio");
Write_Str ("n");
Write_Eol;
-- Line for -v switch
Write_Switch_Char;
Write_Str ("v Verbose mode. Full error outpu");
Write_Str ("t with source lines to stdout");
Write_Eol;
-- Lines for -w switch
Write_Switch_Char;
Write_Str ("w? Warning mode. (?=s/e for suppr");
Write_Str ("ess/treat as error)");
Write_Eol;
-- Lines for -x switch
Write_Switch_Char;
Write_Str ("x? Cross-reference level and swit");
Write_Str ("ches (?=1/2/3/4/5/9/b/s)");
Write_Eol;
-- Lines for -z switch
Write_Switch_Char;
Write_Str ("z? Distribution stub generation (");
Write_Str ("r/s for receiver/sender stubs)");
Write_Eol;
-- Line for -83 switch
Write_Switch_Char;
Write_Str ("83 Enforce Ada 83 restrictions");
Write_Eol;
-- Line for sfile
Write_Str (" sfile Source file names");
Write_Eol;
end Usage;