gcc/ada/bindusg.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             B I N D U S G                                --
   6 --                                                                          --
   7 --                                B o d y                                   --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 with Osint;  use Osint;
  27 with Output; use Output;
  28
  29 with System.WCh_Con; use System.WCh_Con;
  30
  31 package body Bindusg is
  32
  33    Already_Displayed : Boolean := False;
  34    --  Set True if Display called, used to avoid showing usage information
  35    --  more than once.
  36
  37    -------------
  38    -- Display --
  39    -------------
  40
  41    procedure Display is
  42    begin
  43       if Already_Displayed then
  44          return;
  45       else
  46          Already_Displayed := True;
  47       end if;
  48
  49       --  Usage line
  50
  51       Write_Str ("Usage: ");
  52       Write_Program_Name;
  53       Write_Char (' ');
  54       Write_Str ("switches lfile");
  55       Write_Eol;
  56       Write_Eol;
  57
  58       --  Line for @response_file
  59
  60       Write_Line ("  @<resp_file> Get arguments from response file");
  61       Write_Eol;
  62
  63       --  Line for -aO switch
  64
  65       Write_Line ("  -aOdir    Specify library files search path");
  66
  67       --  Line for -aI switch
  68
  69       Write_Line ("  -aIdir    Specify source files search path");
  70
  71       --  Line for a switch
  72
  73       Write_Line ("  -a        Automatically initialize elaboration " &
  74                   "procedure");
  75
  76       --  Line for -A switch
  77
  78       Write_Line ("  -A        Give list of ALI files in partition");
  79
  80       --  Line for -b switch
  81
  82       Write_Line ("  -b        Generate brief messages to stderr " &
  83                   "even if verbose mode set");
  84
  85       --  Line for -c switch
  86
  87       Write_Line ("  -c        Check only, no generation of " &
  88                   "binder output file");
  89
  90       --  Line for -d switch
  91
  92       Write_Line ("  -dnn[k|m] Default primary stack " &
  93                   "size = nn [kilo|mega] bytes");
  94
  95       --  Line for D switch
  96
  97       Write_Line ("  -Dnn[k|m] Default secondary stack " &
  98                   "size = nn [kilo|mega] bytes");
  99
 100       --  Line for -e switch
 101
 102       Write_Line ("  -e        Output complete list of elaboration " &
 103                   "order dependencies");
 104
 105       --  Line for -E switch
 106
 107       Write_Line ("  -E        Store tracebacks in exception occurrences");
 108
 109       --  The -f switch is voluntarily omitted, because it is obsolete
 110
 111       --  Line for -F switch
 112
 113       Write_Line ("  -F        Force checking of elaboration Flags");
 114
 115       --  Line for -h switch
 116
 117       Write_Line ("  -h        Output this usage (help) information");
 118
 119       --  Line for -H switch
 120
 121       Write_Line ("  -Hnn      Use nn bit heap where nn is 32 or 64 " &
 122                   "(VMS Only)");
 123
 124       --  Lines for -I switch
 125
 126       Write_Line ("  -Idir     Specify library and source files search path");
 127       Write_Line ("  -I-       Don't look for sources & library files " &
 128                   "in default directory");
 129
 130       --  Line for -K switch
 131
 132       Write_Line ("  -K        Give list of linker options specified " &
 133                   "for link");
 134
 135       --  Line for -l switch
 136
 137       Write_Line ("  -l        Output chosen elaboration order");
 138
 139       --  Line of -L switch
 140
 141       Write_Line ("  -Lxyz     Library build: adainit/final " &
 142                   "renamed to xyzinit/final, implies -n");
 143
 144       --  Line for -m switch
 145
 146       Write_Line ("  -mnnn     Limit number of detected errors/warnings " &
 147                   "to nnn (1-999999)");
 148
 149       --  Line for -M switch
 150
 151       Write_Line ("  -Mxyz     Rename generated main program from " &
 152                   "main to xyz");
 153
 154       --  Line for -n switch
 155
 156       Write_Line ("  -n        No Ada main program (foreign main routine)");
 157
 158       --  Line for -nostdinc
 159
 160       Write_Line ("  -nostdinc Don't look for source files " &
 161                   "in the system default directory");
 162
 163       --  Line for -nostdlib
 164
 165       Write_Line ("  -nostdlib Don't look for library files " &
 166                   "in the system default directory");
 167
 168       --  Line for -o switch
 169
 170       Write_Line ("  -o file   Give the output file name " &
 171                   "(default is b~xxx.adb)");
 172
 173       --  Line for -O switch
 174
 175       Write_Line ("  -O        Give list of objects required for link");
 176
 177       --  Line for -p switch
 178
 179       Write_Line ("  -p        Pessimistic (worst-case) elaboration order");
 180
 181       --  Line for -r switch
 182
 183       Write_Line ("  -r        List restrictions that could be applied " &
 184                   "to this partition");
 185
 186       --  Line for -R switch
 187
 188       Write_Line
 189         ("  -R        List sources referenced in closure");
 190
 191       --  Line for -s switch
 192
 193       Write_Line ("  -s        Require all source files to be present");
 194
 195       --  Line for -S?? switch
 196
 197       Write_Line ("  -S??      Sin/lo/hi/xx/ev Initialize_Scalars " &
 198                   "invalid/low/high/hex/env var");
 199
 200       --  Line for -static
 201
 202       Write_Line ("  -static   Link against a static GNAT run time");
 203
 204       --  Line for -shared
 205
 206       Write_Line ("  -shared   Link against a shared GNAT run time");
 207
 208       --  Line for -t switch
 209
 210       Write_Line ("  -t        Tolerate time stamp and other " &
 211                   "consistency errors");
 212
 213       --  Line for -T switch
 214
 215       Write_Line ("  -Tn       Set time slice value to n " &
 216                   "milliseconds (n >= 0)");
 217
 218       --  Line for -u switch
 219
 220       Write_Line ("  -un       Enable dynamic stack analysis, with " &
 221                   "n results stored");
 222
 223       --  Line for -v switch
 224
 225       Write_Line ("  -v        Verbose mode. Error messages, " &
 226                   "header, summary output to stdout");
 227
 228       --  Line for -w switch
 229
 230       Write_Line ("  -wx       Warning mode. (x=s/e for " &
 231                   "suppress/treat as error)");
 232
 233       --  Line for -W switch
 234
 235       Write_Str  ("  -W?       Wide character encoding method (");
 236
 237       for J in WC_Encoding_Method loop
 238          Write_Char (WC_Encoding_Letters (J));
 239
 240          if J = WC_Encoding_Method'Last then
 241             Write_Char (')');
 242          else
 243             Write_Char ('/');
 244          end if;
 245       end loop;
 246
 247       Write_Eol;
 248
 249       --  Line for -x switch
 250
 251       Write_Line ("  -x        Exclude source files (check object " &
 252                   "consistency only)");
 253
 254       --  Line for -X switch
 255
 256       Write_Line ("  -Xnnn     Default exit status value = nnn");
 257
 258       --  Line for -y switch
 259
 260       Write_Line ("  -y        Enable leap seconds");
 261
 262       --  Line for -z switch
 263
 264       Write_Line ("  -z        No main subprogram (zero main)");
 265
 266       --  Line for --RTS
 267
 268       --  Line for -Z switch
 269
 270       Write_Line ("  -Z        " &
 271                   "Zero formatting in auxiliary outputs (-e, -K, -l, -R)");
 272
 273       --  Line for --RTS
 274
 275       Write_Line ("  --RTS=dir Specify the default source and " &
 276                   "object search path");
 277
 278       --  Line for sfile
 279
 280       Write_Line ("  lfile     Library file names");
 281    end Display;
 282
 283 end Bindusg;