136 lines
2.6 KiB
Plaintext
136 lines
2.6 KiB
Plaintext
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{
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/* defparse.y - parser for .def files */
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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%union {
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char *id;
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int number;
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char *string;
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};
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%token NAME, LIBRARY, DESCRIPTION, STACKSIZE, HEAPSIZE, CODE, DATA
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%token SECTIONS, EXPORTS, IMPORTS, VERSION, BASE, CONSTANT
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%token READ WRITE EXECUTE SHARED NONAME
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%token <id> ID
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%token <string> STRING
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%token <number> NUMBER
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%type <number> opt_base opt_ordinal opt_NONAME opt_CONSTANT attr attr_list opt_number
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%type <id> opt_name opt_equal_name
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%%
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start: start command
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| command
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;
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command:
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NAME opt_name opt_base { def_name ($2, $3); }
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| LIBRARY opt_name opt_base { def_library ($2, $3); }
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| EXPORTS explist
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| DESCRIPTION STRING { def_description ($2);}
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| STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);}
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| HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);}
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| CODE attr_list { def_code ($2);}
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| DATA attr_list { def_data ($2);}
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| SECTIONS seclist
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| IMPORTS implist
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| VERSION NUMBER { def_version ($2,0);}
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| VERSION NUMBER '.' NUMBER { def_version ($2,$4);}
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;
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explist:
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explist expline
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| expline
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;
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expline:
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ID opt_equal_name opt_ordinal opt_NONAME opt_CONSTANT
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{ def_exports ($1, $2, $3, $4, $5);}
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;
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implist:
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implist impline
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| impline
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;
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impline:
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ID '=' ID '.' ID { def_import ($1,$3,$5);}
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| ID '.' ID { def_import (0, $1,$3);}
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;
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seclist:
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seclist secline
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| secline
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;
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secline:
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ID attr_list { def_section ($1,$2);}
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;
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attr_list:
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attr_list opt_comma attr
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| attr
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;
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opt_comma:
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','
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;
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opt_number: ',' NUMBER { $$=$2;}
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| { $$=-1;}
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;
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attr:
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READ { $$ = 1;}
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| WRITE { $$ = 2;}
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| EXECUTE { $$=4;}
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| SHARED { $$=8;}
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;
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opt_CONSTANT:
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CONSTANT {$$=1;}
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| {$$=0;}
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;
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opt_NONAME:
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NONAME {$$=1;}
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| {$$=0;}
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;
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opt_name: ID { $$ =$1; }
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| { $$=""; }
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;
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opt_ordinal:
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'@' NUMBER { $$=$2;}
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| { $$=-1;}
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;
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opt_equal_name:
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'=' ID { $$ = $2; }
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| { $$ = 0; }
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;
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opt_base: BASE '=' NUMBER { $$= $3;}
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| { $$=-1;}
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;
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