binutils/arparse.y

   1 %{
   2 /* arparse.y - Stange script language parser */
   3
   4 /*   Copyright 1992, 1993, 1995, 1997, 1999 Free Software Foundation, Inc.
   5
   6 This file is part of GNU Binutils.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22
  23 /* Contributed by Steve Chamberlain
  24                   sac@cygnus.com
  25
  26 */
  27 #define DONTDECLARE_MALLOC
  28 #include "bfd.h"
  29 #include "bucomm.h"
  30 #include "arsup.h"
  31 extern int verbose;
  32 extern int yylex PARAMS ((void));
  33 static int yyerror PARAMS ((const char *));
  34 %}
  35
  36 %union {
  37   char *name;
  38 struct list *list ;
  39
  40 };
  41
  42 %token NEWLINE
  43 %token VERBOSE
  44 %token <name> FILENAME
  45 %token ADDLIB
  46 %token LIST
  47 %token ADDMOD
  48 %token CLEAR
  49 %token CREATE
  50 %token DELETE
  51 %token DIRECTORY
  52 %token END
  53 %token EXTRACT
  54 %token FULLDIR
  55 %token HELP
  56 %token QUIT
  57 %token REPLACE
  58 %token SAVE
  59 %token OPEN
  60
  61 %type <list> modulelist
  62 %type <list> modulename
  63 %type <name> optional_filename
  64 %%
  65
  66 start:
  67         { prompt(); } session
  68         ;
  69
  70 session:
  71             session command_line
  72         |
  73         ;
  74
  75 command_line:
  76                 command NEWLINE { prompt(); }
  77
  78 command:
  79                 open_command
  80         |       create_command
  81         |       verbose_command
  82         |       directory_command
  83         |       addlib_command
  84         |       clear_command
  85         |       addmod_command
  86         |       save_command
  87         |       extract_command
  88         |       replace_command
  89         |       delete_command
  90         |       list_command
  91         |       END      { ar_end(); return 0; }
  92         |       error
  93         |       FILENAME { yyerror("foo"); }
  94         |
  95         ;
  96
  97
  98 extract_command:
  99                 EXTRACT modulename
 100                 { ar_extract($2); }
 101         ;
 102
 103 replace_command:
 104                 REPLACE modulename
 105                 { ar_replace($2); }
 106         ;
 107
 108 clear_command:
 109                 CLEAR
 110                 { ar_clear(); }
 111         ;
 112
 113 delete_command:
 114                 DELETE modulename
 115                 { ar_delete($2); }
 116         ;
 117 addmod_command:
 118         ADDMOD modulename
 119                 { ar_addmod($2); }
 120         ;
 121
 122 list_command:
 123                 LIST
 124                 { ar_list(); }
 125         ;
 126
 127 save_command:
 128                 SAVE
 129                 { ar_save(); }
 130         ;
 131
 132
 133
 134 open_command:
 135                 OPEN FILENAME
 136                 { ar_open($2,0); }
 137         ;
 138
 139 create_command:
 140                 CREATE FILENAME
 141                 { ar_open($2,1); }
 142         ;
 143
 144
 145 addlib_command:
 146                 ADDLIB FILENAME modulelist
 147                 { ar_addlib($2,$3); }
 148         ;
 149 directory_command:
 150                 DIRECTORY FILENAME modulelist optional_filename
 151                 { ar_directory($2, $3, $4); }
 152         ;
 153
 154
 155
 156 optional_filename:
 157                 FILENAME
 158                 { $$ = $1; }
 159         |       { $$ = 0; }
 160         ;
 161
 162 modulelist:
 163         '(' modulename ')'
 164                 { $$ = $2; }
 165         |
 166                 { $$ = 0; }
 167         ;
 168
 169 modulename:
 170                 modulename optcomma FILENAME
 171                 {       struct list *n  = (struct list *) malloc(sizeof(struct list));
 172                         n->next = $1;
 173                         n->name = $3;
 174                         $$ = n;
 175                  }
 176         |       { $$ = 0; }
 177         ;
 178
 179
 180 optcomma:
 181                 ','
 182         |
 183         ;
 184
 185
 186 verbose_command:
 187         VERBOSE
 188                 { verbose = !verbose; }
 189         ;
 190
 191
 192 %%
 193
 194 static int
 195 yyerror (x)
 196      const char *x ATTRIBUTE_UNUSED;
 197 {
 198   extern int linenumber;
 199
 200   printf (_("Syntax error in archive script, line %d\n"), linenumber + 1);
 201   return 0;
 202 }