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|
{
/* defparse.y - parser for .def files */
/* Copyright (C) 1995 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. */
%union {
char *id;
int number;
char *string;
};
%token NAME, LIBRARY, DESCRIPTION, STACKSIZE, HEAPSIZE, CODE, DATA
%token SECTIONS, EXPORTS, IMPORTS, VERSION, BASE, CONSTANT
%token READ WRITE EXECUTE SHARED NONAME
%token <id> ID
%token <string> STRING
%token <number> NUMBER
%type <number> opt_base opt_ordinal opt_NONAME opt_CONSTANT attr attr_list opt_number
%type <id> opt_name opt_equal_name
%%
start: start command
| command
;
command:
NAME opt_name opt_base { def_name ($2, $3); }
| LIBRARY opt_name opt_base { def_library ($2, $3); }
| EXPORTS explist
| DESCRIPTION STRING { def_description ($2);}
| STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);}
| HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);}
| CODE attr_list { def_code ($2);}
| DATA attr_list { def_data ($2);}
| SECTIONS seclist
| IMPORTS implist
| VERSION NUMBER { def_version ($2,0);}
| VERSION NUMBER '.' NUMBER { def_version ($2,$4);}
;
explist:
explist expline
| expline
;
expline:
ID opt_equal_name opt_ordinal opt_NONAME opt_CONSTANT
{ def_exports ($1, $2, $3, $4, $5);}
;
implist:
implist impline
| impline
;
impline:
ID '=' ID '.' ID { def_import ($1,$3,$5);}
| ID '.' ID { def_import (0, $1,$3);}
;
seclist:
seclist secline
| secline
;
secline:
ID attr_list { def_section ($1,$2);}
;
attr_list:
attr_list opt_comma attr
| attr
;
opt_comma:
','
|
;
opt_number: ',' NUMBER { $$=$2;}
| { $$=-1;}
;
attr:
READ { $$ = 1;}
| WRITE { $$ = 2;}
| EXECUTE { $$=4;}
| SHARED { $$=8;}
;
opt_CONSTANT:
CONSTANT {$$=1;}
| {$$=0;}
;
opt_NONAME:
NONAME {$$=1;}
| {$$=0;}
;
opt_name: ID { $$ =$1; }
| { $$=""; }
;
opt_ordinal:
'@' NUMBER { $$=$2;}
| { $$=-1;}
;
opt_equal_name:
'=' ID { $$ = $2; }
| { $$ = 0; }
;
opt_base: BASE '=' NUMBER { $$= $3;}
| { $$=-1;}
;
|
