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|
%{
/* arparse.y - Strange script language parser */
/* Copyright (C) 1992-2017 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* Contributed by Steve Chamberlain
sac@cygnus.com
*/
#define DONTDECLARE_MALLOC
#include "sysdep.h"
#include "bfd.h"
#include "arsup.h"
extern int verbose;
extern int yylex (void);
static int yyerror (const char *);
%}
%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; }
;
%%
static int
yyerror (const char *x ATTRIBUTE_UNUSED)
{
extern int linenumber;
printf (_("Syntax error in archive script, line %d\n"), linenumber + 1);
return 0;
}
|
