diff options
Diffstat (limited to 'target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/grammar.y')
-rw-r--r-- | target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/grammar.y | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/grammar.y b/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/grammar.y deleted file mode 100644 index fc31879499..0000000000 --- a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/grammar.y +++ /dev/null @@ -1,281 +0,0 @@ -%{ -/* - * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the University of California, - * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of - * the University nor the names of its contributors may be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - */ -#ifndef lint -static const char rcsid[] = - "@(#) $Header: /usr/local/cvs/linux/tools/build/e100boot/libpcap-0.4/grammar.y,v 1.1 1999/08/26 10:05:22 johana Exp $ (LBL)"; -#endif - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/socket.h> - -#if __STDC__ -struct mbuf; -struct rtentry; -#endif - -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include <stdio.h> - -#include "pcap-int.h" - -#include "gencode.h" -#include <pcap-namedb.h> - -#include "gnuc.h" -#ifdef HAVE_OS_PROTO_H -#include "os-proto.h" -#endif - -#define QSET(q, p, d, a) (q).proto = (p),\ - (q).dir = (d),\ - (q).addr = (a) - -int n_errors = 0; - -static struct qual qerr = { Q_UNDEF, Q_UNDEF, Q_UNDEF, Q_UNDEF }; - -static void -yyerror(char *msg) -{ - ++n_errors; - bpf_error("%s", msg); - /* NOTREACHED */ -} - -#ifndef YYBISON -int yyparse(void); - -int -pcap_parse() -{ - return (yyparse()); -} -#endif - -%} - -%union { - int i; - bpf_u_int32 h; - u_char *e; - char *s; - struct stmt *stmt; - struct arth *a; - struct { - struct qual q; - struct block *b; - } blk; - struct block *rblk; -} - -%type <blk> expr id nid pid term rterm qid -%type <blk> head -%type <i> pqual dqual aqual ndaqual -%type <a> arth narth -%type <i> byteop pname pnum relop irelop -%type <blk> and or paren not null prog -%type <rblk> other - -%token DST SRC HOST GATEWAY -%token NET MASK PORT LESS GREATER PROTO BYTE -%token ARP RARP IP TCP UDP ICMP IGMP IGRP -%token ATALK DECNET LAT SCA MOPRC MOPDL -%token TK_BROADCAST TK_MULTICAST -%token NUM INBOUND OUTBOUND -%token LINK -%token GEQ LEQ NEQ -%token ID EID HID -%token LSH RSH -%token LEN - -%type <s> ID -%type <e> EID -%type <s> HID -%type <i> NUM - -%left OR AND -%nonassoc '!' -%left '|' -%left '&' -%left LSH RSH -%left '+' '-' -%left '*' '/' -%nonassoc UMINUS -%% -prog: null expr -{ - finish_parse($2.b); -} - | null - ; -null: /* null */ { $$.q = qerr; } - ; -expr: term - | expr and term { gen_and($1.b, $3.b); $$ = $3; } - | expr and id { gen_and($1.b, $3.b); $$ = $3; } - | expr or term { gen_or($1.b, $3.b); $$ = $3; } - | expr or id { gen_or($1.b, $3.b); $$ = $3; } - ; -and: AND { $$ = $<blk>0; } - ; -or: OR { $$ = $<blk>0; } - ; -id: nid - | pnum { $$.b = gen_ncode(NULL, (bpf_u_int32)$1, - $$.q = $<blk>0.q); } - | paren pid ')' { $$ = $2; } - ; -nid: ID { $$.b = gen_scode($1, $$.q = $<blk>0.q); } - | HID '/' NUM { $$.b = gen_mcode($1, NULL, $3, - $$.q = $<blk>0.q); } - | HID MASK HID { $$.b = gen_mcode($1, $3, 0, - $$.q = $<blk>0.q); } - | HID { - /* Decide how to parse HID based on proto */ - $$.q = $<blk>0.q; - switch ($$.q.proto) { - case Q_DECNET: - $$.b = gen_ncode($1, 0, $$.q); - break; - default: - $$.b = gen_ncode($1, 0, $$.q); - break; - } - } - | EID { $$.b = gen_ecode($1, $$.q = $<blk>0.q); } - | not id { gen_not($2.b); $$ = $2; } - ; -not: '!' { $$ = $<blk>0; } - ; -paren: '(' { $$ = $<blk>0; } - ; -pid: nid - | qid and id { gen_and($1.b, $3.b); $$ = $3; } - | qid or id { gen_or($1.b, $3.b); $$ = $3; } - ; -qid: pnum { $$.b = gen_ncode(NULL, (bpf_u_int32)$1, - $$.q = $<blk>0.q); } - | pid - ; -term: rterm - | not term { gen_not($2.b); $$ = $2; } - ; -head: pqual dqual aqual { QSET($$.q, $1, $2, $3); } - | pqual dqual { QSET($$.q, $1, $2, Q_DEFAULT); } - | pqual aqual { QSET($$.q, $1, Q_DEFAULT, $2); } - | pqual PROTO { QSET($$.q, $1, Q_DEFAULT, Q_PROTO); } - | pqual ndaqual { QSET($$.q, $1, Q_DEFAULT, $2); } - ; -rterm: head id { $$ = $2; } - | paren expr ')' { $$.b = $2.b; $$.q = $1.q; } - | pname { $$.b = gen_proto_abbrev($1); $$.q = qerr; } - | arth relop arth { $$.b = gen_relation($2, $1, $3, 0); - $$.q = qerr; } - | arth irelop arth { $$.b = gen_relation($2, $1, $3, 1); - $$.q = qerr; } - | other { $$.b = $1; $$.q = qerr; } - ; -/* protocol level qualifiers */ -pqual: pname - | { $$ = Q_DEFAULT; } - ; -/* 'direction' qualifiers */ -dqual: SRC { $$ = Q_SRC; } - | DST { $$ = Q_DST; } - | SRC OR DST { $$ = Q_OR; } - | DST OR SRC { $$ = Q_OR; } - | SRC AND DST { $$ = Q_AND; } - | DST AND SRC { $$ = Q_AND; } - ; -/* address type qualifiers */ -aqual: HOST { $$ = Q_HOST; } - | NET { $$ = Q_NET; } - | PORT { $$ = Q_PORT; } - ; -/* non-directional address type qualifiers */ -ndaqual: GATEWAY { $$ = Q_GATEWAY; } - ; -pname: LINK { $$ = Q_LINK; } - | IP { $$ = Q_IP; } - | ARP { $$ = Q_ARP; } - | RARP { $$ = Q_RARP; } - | TCP { $$ = Q_TCP; } - | UDP { $$ = Q_UDP; } - | ICMP { $$ = Q_ICMP; } - | IGMP { $$ = Q_IGMP; } - | IGRP { $$ = Q_IGRP; } - | ATALK { $$ = Q_ATALK; } - | DECNET { $$ = Q_DECNET; } - | LAT { $$ = Q_LAT; } - | SCA { $$ = Q_SCA; } - | MOPDL { $$ = Q_MOPDL; } - | MOPRC { $$ = Q_MOPRC; } - ; -other: pqual TK_BROADCAST { $$ = gen_broadcast($1); } - | pqual TK_MULTICAST { $$ = gen_multicast($1); } - | LESS NUM { $$ = gen_less($2); } - | GREATER NUM { $$ = gen_greater($2); } - | BYTE NUM byteop NUM { $$ = gen_byteop($3, $2, $4); } - | INBOUND { $$ = gen_inbound(0); } - | OUTBOUND { $$ = gen_inbound(1); } - ; -relop: '>' { $$ = BPF_JGT; } - | GEQ { $$ = BPF_JGE; } - | '=' { $$ = BPF_JEQ; } - ; -irelop: LEQ { $$ = BPF_JGT; } - | '<' { $$ = BPF_JGE; } - | NEQ { $$ = BPF_JEQ; } - ; -arth: pnum { $$ = gen_loadi($1); } - | narth - ; -narth: pname '[' arth ']' { $$ = gen_load($1, $3, 1); } - | pname '[' arth ':' NUM ']' { $$ = gen_load($1, $3, $5); } - | arth '+' arth { $$ = gen_arth(BPF_ADD, $1, $3); } - | arth '-' arth { $$ = gen_arth(BPF_SUB, $1, $3); } - | arth '*' arth { $$ = gen_arth(BPF_MUL, $1, $3); } - | arth '/' arth { $$ = gen_arth(BPF_DIV, $1, $3); } - | arth '&' arth { $$ = gen_arth(BPF_AND, $1, $3); } - | arth '|' arth { $$ = gen_arth(BPF_OR, $1, $3); } - | arth LSH arth { $$ = gen_arth(BPF_LSH, $1, $3); } - | arth RSH arth { $$ = gen_arth(BPF_RSH, $1, $3); } - | '-' arth %prec UMINUS { $$ = gen_neg($2); } - | paren narth ')' { $$ = $2; } - | LEN { $$ = gen_loadlen(); } - ; -byteop: '&' { $$ = '&'; } - | '|' { $$ = '|'; } - | '<' { $$ = '<'; } - | '>' { $$ = '>'; } - | '=' { $$ = '='; } - ; -pnum: NUM - | paren pnum ')' { $$ = $2; } - ; -%% |