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Lex Description | 1993-01-06 | 3.0 KB | 201 lines |
- %{
- /* arparse.y - Stange script language parser */
-
- /* Copyright (C) 1992 Free Software Foundation, Inc.
-
- This file is part of GNU Binutils.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT 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
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- /* Contributed by Steve Chamberlain
- sac@cygnus.com
-
- */
- #define DONTDECLARE_MALLOC
- #include "bfd.h"
- #include <sysdep.h>
- #include "arsup.h"
- extern int verbose;
- %}
-
- %union {
- char *name;
- struct list *list ;
-
- };
-
- %token NEWLINE
- %token VERBOSE
- %token <name> FILENAME
- %token ADDLIB
- %token LIST
- %token ADDMOD
- %token CLEAR
- %token CREATE
- %token DELETE
- %token DIRECTORY
- %token END
- %token EXTRACT
- %token FULLDIR
- %token HELP
- %token QUIT
- %token REPLACE
- %token SAVE
- %token OPEN
-
- %type <list> modulelist
- %type <list> modulename
- %type <name> optional_filename
- %%
-
- start:
- { prompt(); } session
- ;
-
- session:
- session command_line
- |
- ;
-
- command_line:
- command NEWLINE { prompt(); }
-
- command:
- open_command
- | create_command
- | verbose_command
- | directory_command
- | addlib_command
- | clear_command
- | addmod_command
- | save_command
- | extract_command
- | replace_command
- | delete_command
- | list_command
- | END { ar_end(); return 0; }
- | error
- | FILENAME { yyerror("foo"); }
- |
- ;
-
-
- extract_command:
- EXTRACT modulename
- { ar_extract($2); }
- ;
-
- replace_command:
- REPLACE modulename
- { ar_replace($2); }
- ;
-
- clear_command:
- CLEAR
- { ar_clear(); }
- ;
-
- delete_command:
- DELETE modulename
- { ar_delete($2); }
- ;
- addmod_command:
- ADDMOD modulename
- { ar_addmod($2); }
- ;
-
- list_command:
- LIST
- { ar_list(); }
- ;
-
- save_command:
- SAVE
- { ar_save(); }
- ;
-
-
-
- open_command:
- OPEN FILENAME
- { ar_open($2,0); }
- ;
-
- create_command:
- CREATE FILENAME
- { ar_open($2,1); }
- ;
-
-
- addlib_command:
- ADDLIB FILENAME modulelist
- { ar_addlib($2,$3); }
- ;
- directory_command:
- DIRECTORY FILENAME modulelist optional_filename
- { ar_directory($2, $3, $4); }
- ;
-
-
-
- optional_filename:
- FILENAME
- { $$ = $1; }
- | { $$ = 0; }
- ;
-
- modulelist:
- '(' modulename ')'
- { $$ = $2; }
- |
- { $$ = 0; }
- ;
-
- modulename:
- modulename optcomma FILENAME
- { struct list *n = (struct list *) malloc(sizeof(struct list));
- n->next = $1;
- n->name = $3;
- $$ = n;
- }
- | { $$ = 0; }
- ;
-
-
- optcomma:
- ','
- |
- ;
-
-
- verbose_command:
- VERBOSE
- { verbose = !verbose; }
- ;
-
-
- %%
-
-
- int
- yyerror(x)
- char *x;
- {
- extern int linenumber;
- printf("Synax error in archive script, line %d\n", linenumber + 1);
- return 0;
- }
-