+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- U S A G E --
--- --
--- B o d y --
--- --
--- $Revision: 1.5.10.1 $
--- --
--- Copyright (C) 1992-2001, 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 Hostparm;
-with Namet; use Namet;
-with Osint; use Osint;
-with Output; use Output;
-with System.WCh_Con; use System.WCh_Con;
-
-procedure Usage is
-
- procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat");
- -- Output two spaces followed by default switch character followed
- -- Prefix, followed by the string given as the argument, and then
- -- enough blanks to tab to column 13, i.e. assuming Sw is not longer
- -- than 5 characters, the maximum allowed, Write_Switch_Char will
- -- always output exactly 12 characters.
-
- procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is
- begin
- Write_Str (" ");
- Write_Char (Switch_Character);
- Write_Str (Prefix);
- Write_Str (Sw);
-
- for J in 1 .. 12 - 3 - Prefix'Length - Sw'Length loop
- Write_Char (' ');
- end loop;
- end Write_Switch_Char;
-
--- Start of processing for Usage
-
-begin
- Find_Program_Name;
-
- -- For gnatmake, we are appending this information to the end of
- -- the normal gnatmake output, so generate appropriate header
-
- if Name_Len >= 8
- and then (Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake"
- or else
- Name_Buffer (Name_Len - 7 .. Name_Len) = "GNATMAKE")
- then
- Write_Eol;
- Write_Line ("Compiler switches (passed to the compiler by gnatmake):");
-
- else
- -- Usage line
-
- Write_Str ("Usage: ");
- Write_Program_Name;
- Write_Char (' ');
- Write_Str ("switches sfile");
- Write_Eol;
- Write_Eol;
-
- -- Line for sfile
-
- Write_Line (" sfile Source file name");
- end if;
-
- Write_Eol;
-
- -- Common GCC switches not available in JGNAT
-
- if not Hostparm.Java_VM then
- Write_Switch_Char ("fstack-check ", "");
- Write_Line ("Generate stack checking code");
-
- Write_Switch_Char ("fno-inline ", "");
- Write_Line ("Inhibit all inlining (makes executable smaller)");
- end if;
-
- -- Common switches available to both GCC and JGNAT
-
- Write_Switch_Char ("g ", "");
- Write_Line ("Generate debugging information");
-
- Write_Switch_Char ("Idir ", "");
- Write_Line ("Specify source files search path");
-
- Write_Switch_Char ("I- ", "");
- Write_Line ("Do not look for sources in current directory");
-
- Write_Switch_Char ("O[0123] ", "");
- Write_Line ("Control the optimization level");
-
- Write_Eol;
-
- -- Individual lines for switches. Write_Switch_Char outputs fourteen
- -- characters, so the remaining message is allowed to be a maximum
- -- of 65 characters to be comfortable on an 80 character device.
- -- If the Write_Str fits on one line, it is short enough!
-
- -- Line for -gnata switch
-
- Write_Switch_Char ("a");
- Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated");
-
- -- Line for -gnatA switch
-
- Write_Switch_Char ("A");
- Write_Line ("Avoid processing gnat.adc, if present file will be ignored");
-
- -- Line for -gnatb switch
-
- Write_Switch_Char ("b");
- Write_Line ("Generate brief messages to stderr even if verbose mode set");
-
- -- Line for -gnatc switch
-
- Write_Switch_Char ("c");
- Write_Line ("Check syntax and semantics only (no code generation)");
-
- Write_Switch_Char ("C");
- Write_Line ("Compress names in external names and debug info tables");
-
- -- Line for -gnatd switch
-
- Write_Switch_Char ("d?");
- Write_Line ("Compiler debug option ? (a-z,A-Z,0-9), see debug.adb");
-
- -- Line for -gnatD switch
-
- Write_Switch_Char ("D");
- Write_Line ("Debug expanded generated code rather than source code");
-
- -- Line for -gnatec switch
-
- Write_Switch_Char ("ec?");
- Write_Line ("Specify configuration pragmas file, e.g. -gnatec/x/f.adc");
-
- -- Line for -gnatem switch
-
- Write_Switch_Char ("em?");
- Write_Line ("Specify mapping file, e.g. -gnatemmapping");
-
- -- Line for -gnatE switch
-
- Write_Switch_Char ("E");
- Write_Line ("Dynamic elaboration checking mode enabled");
-
- -- Line for -gnatf switch
-
- Write_Switch_Char ("f");
- Write_Line ("Full errors. Verbose details, all undefined references");
-
- -- Line for -gnatF switch
-
- Write_Switch_Char ("F");
- Write_Line ("Force all import/export external names to all uppercase");
-
- -- Line for -gnatg switch
-
- Write_Switch_Char ("g");
- Write_Line ("GNAT implementation mode (used for compiling GNAT units)");
-
- -- Line for -gnatG switch
-
- Write_Switch_Char ("G");
- Write_Line ("Output generated expanded code in source form");
-
- -- Line for -gnath switch
-
- Write_Switch_Char ("h");
- Write_Line ("Output this usage (help) information");
-
- -- Line for -gnati switch
-
- Write_Switch_Char ("i?");
- Write_Line ("Identifier char set (?=1/2/3/4/5/8/p/f/n/w)");
-
- -- Line for -gnatk switch
-
- Write_Switch_Char ("k");
- Write_Line ("Limit file names to nnn characters (k = krunch)");
-
- -- Line for -gnatl switch
-
- Write_Switch_Char ("l");
- Write_Line ("Output full source listing with embedded error messages");
-
- -- Line for -gnatL switch
-
- Write_Switch_Char ("L");
- Write_Line ("Use longjmp/setjmp for exception handling");
-
- -- Line for -gnatm switch
-
- Write_Switch_Char ("mnnn");
- Write_Line ("Limit number of detected errors to nnn (1-999)");
-
- -- Line for -gnatn switch
-
- Write_Switch_Char ("n");
- Write_Line ("Inlining of subprograms (apply pragma Inline across units)");
-
- -- Line for -gnatN switch
-
- Write_Switch_Char ("N");
- Write_Line ("Full (frontend) inlining of subprograqms");
-
- -- Line for -gnato switch
-
- Write_Switch_Char ("o");
- Write_Line ("Enable overflow checking (off by default)");
-
- -- Line for -gnatO switch
-
- Write_Switch_Char ("O nm ");
- Write_Line ("Set name of output ali file (internal switch)");
-
- -- Line for -gnatp switch
-
- Write_Switch_Char ("p");
- Write_Line ("Suppress all checks");
-
- -- Line for -gnatP switch
-
- Write_Switch_Char ("P");
- Write_Line ("Generate periodic calls to System.Polling.Poll");
-
- -- Line for -gnatq switch
-
- Write_Switch_Char ("q");
- Write_Line ("Don't quit, try semantics, even if parse errors");
-
- -- Line for -gnatQ switch
-
- Write_Switch_Char ("Q");
- Write_Line ("Don't quit, write ali/tree file even if compile errors");
-
- -- Line for -gnatR switch
-
- Write_Switch_Char ("R?");
- Write_Line ("List rep inf (?=0/1/2/3 for none/types/all/variable)");
-
- -- Lines for -gnats switch
-
- Write_Switch_Char ("s");
- Write_Line ("Syntax check only");
-
- -- Lines for -gnatt switch
-
- Write_Switch_Char ("t");
- Write_Line ("Tree output file to be generated");
-
- -- Line for -gnatT switch
-
- Write_Switch_Char ("Tnnn");
- Write_Line ("All compiler tables start at nnn times usual starting size");
-
- -- Line for -gnatu switch
-
- Write_Switch_Char ("u");
- Write_Line ("List units for this compilation");
-
- -- Line for -gnatU switch
-
- Write_Switch_Char ("U");
- Write_Line ("Enable unique tag for error messages");
-
- -- Line for -gnatv switch
-
- Write_Switch_Char ("v");
- Write_Line ("Verbose mode. Full error output with source lines to stdout");
-
- -- Line for -gnatV switch
-
- Write_Switch_Char ("Vxx");
- Write_Line
- ("Enable selected validity checking mode, xx = list of parameters:");
- Write_Line (" a turn on all validity checking options");
- Write_Line (" c turn on validity checking for copies");
- Write_Line (" C turn off validity checking for copies");
- Write_Line (" f turn on validity checking for floating-point");
- Write_Line (" F turn off validity checking for floating-point");
- Write_Line (" i turn on validity checking for in params");
- Write_Line (" I turn off validity checking for in params");
- Write_Line (" m turn on validity checking for in out params");
- Write_Line (" M turn off validity checking for in out params");
- Write_Line (" r turn on validity checking for returns");
- Write_Line (" R turn off validity checking for returns");
- Write_Line (" s turn on validity checking for subscripts");
- Write_Line (" S turn off validity checking for subscripts");
- Write_Line (" t turn on validity checking for tests");
- Write_Line (" T turn off validity checking for tests");
- Write_Line (" n turn off all validity checks (including RM)");
-
- -- Lines for -gnatw switch
-
- Write_Switch_Char ("wxx");
- Write_Line ("Enable selected warning modes, xx = list of parameters:");
- Write_Line (" a turn on all optional warnings (except b,h)");
- Write_Line (" A turn off all optional warnings");
- Write_Line (" b turn on biased rounding warnings");
- Write_Line (" B turn off biased rounding warnings");
- Write_Line (" c turn on constant conditional warnings");
- Write_Line (" C* turn off constant conditional warnings");
- Write_Line (" e treat all warnings as errors");
- Write_Line (" h turn on warnings for hiding variables");
- Write_Line (" H* turn off warnings for hiding variables");
- Write_Line (" i* turn on warnings for implementation units");
- Write_Line (" I turn off warnings for implementation units");
- Write_Line (" l turn on elaboration warnings");
- Write_Line (" L* turn off elaboration warnings");
- Write_Line (" o* turn on address clause overlay warnings");
- Write_Line (" O turn off address clause overlay warnings");
- Write_Line (" p turn on warnings for ineffective pragma inline");
- Write_Line (" P* turn off warnings for ineffective pragma inline");
- Write_Line (" r turn on redundant construct warnings");
- Write_Line (" R* turn off redundant construct warnings");
- Write_Line (" s suppress all warnings");
- Write_Line (" u turn on warnings for unused entities");
- Write_Line (" U* turn off warnings for unused entities");
- Write_Line (" * indicates default in above list");
-
- -- Line for -gnatW switch
-
- Write_Switch_Char ("W");
- Write_Str ("Wide character encoding method (");
-
- 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 -gnatx switch
-
- Write_Switch_Char ("x");
- Write_Line ("Suppress output of cross-reference information");
-
- -- Line for -gnatX switch
-
- Write_Switch_Char ("X");
- Write_Line ("Language extensions permitted");
-
- -- Lines for -gnaty switch
-
- Write_Switch_Char ("y");
- Write_Line ("Enable all style checks except 'o', indent=3");
-
- Write_Switch_Char ("yxx");
- Write_Line ("Enable selected style checks xx = list of parameters:");
- Write_Line (" 1-9 check indentation");
- Write_Line (" a check attribute casing");
- Write_Line (" b check no blanks at end of lines");
- Write_Line (" c check comment format");
- Write_Line (" e check end/exit labels present");
- Write_Line (" f check no form feeds/vertical tabs in source");
- Write_Line (" h check no horizontal tabs in source");
- Write_Line (" i check if-then layout");
- Write_Line (" k check casing rules for keywords, identifiers");
- Write_Line (" l check reference manual layout");
- Write_Line (" m check line length <= 79 characters");
- Write_Line (" n check casing of package Standard identifiers");
- Write_Line (" Mnnn check line length <= nnn characters");
- Write_Line (" o check subprogram bodies in alphabetical order");
- Write_Line (" p check pragma casing");
- Write_Line (" r check RM column layout");
- Write_Line (" s check separate subprogram specs present");
- Write_Line (" t check token separation rules");
-
- -- Lines for -gnatz switch
-
- Write_Switch_Char ("z");
- Write_Line ("Distribution stub generation (r/s for receiver/sender stubs)");
-
- -- Line for -gnatZ switch
-
- Write_Switch_Char ("Z");
- Write_Line ("Use zero cost exception handling");
-
- -- Line for -gnat83 switch
-
- Write_Switch_Char ("83");
- Write_Line ("Enforce Ada 83 restrictions");
-
-end Usage;
projects / msp430-gcc.git / blobdiff